嘉陵村九院危旧改项目设计计算书

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1
ᑖஹ4.5ᩞᜋᩞᜋ............................................5
ஹ..........................................................51ஹᭆ.........................................................52ஹ.............................................................53ஹ.........................................................7ஹ₹.................................................................81ஹ₹᪗"#.....................................................82ஹ₹#....................................................103ஹ$%ᙢ◫(ᵨ....................................................104ஹ₹*ᔠ........................................................11,ஹ$-ឋᢣ᪗#.......................................................111ஹ$-ឋ...........................................................110ஹ☢2................................................................111ஹ☢2₹........................................................112ஹ☢234........................................................123ஹ☢2567......................................................124ஹ☢2ᢞ9567..................................................135ஹᢞ9ᙠ;7(ᵨ<Ḅ567.......................................136ஹᢞ9ᙠ;7(ᵨ<Ḅ34>..........................................14?ஹᩞ-@AB4CD.....................................................141ஹᩞ-@AB4..................................................14EஹFG................................................................151ஹFG₹........................................................152ஹFGHᩞᱯឋ........................................................173ஹFG34........................................................174ஹFGḄJ4......................................................185ஹFGᢙ5........................................................18LஹFGMNO᪀QR...................................................191ஹFGMNO᪀QR................................................19SஹT᫡...............................................................201ஹ⌱ᵨT᫡HᩞḄW☢ᱯឋ..............................................202ஹT᫡Ḅ34......................................................213ஹT᫡ḄJ4......................................................234ஹT᫡Ḅᢙ534..................................................24XஹT᫡MFGQR9...................................................261ஹT᫡MYṹQR..................................................262ஹYṹMFGQR..................................................26ᓝஹT᫡QR\]34...................................................271ஹQR\]CD....................................................272ஹ\]34........................................................27.1⚓.

2ᓝ
ஹ`R᪀934.....................................................291ஹ`R᪀9a7b................................................292ஹ`R᪀9c☢ᱯឋ....................................................293ஹ`R᪀934....................................................29ᓝஹ`QR\]34.................................................311ஹ`R\]CD....................................................312ஹ\]34........................................................31ᓝ,ஹᓄef᪝.........................................................331ஹf᪝CDhi....................................................332ஹf᪝jak7....................................................333ஹf᪝ja57....................................................344ஹf᪝akj7᪥᪶..................................................365ஹf᪝nop┵rakẚtj7᪥᪶...................................366ஹnopᒨvẚtj7᪥᪶...........................................387ஹf᪝wᩞa5ẚt᪥᪶................................................408ஹ᪀9xya5nopᬪ{rẚt᪥᪶...................................409ஹnop5|ẚtj}7.........................................4310ஹk5~ᔠa7j7............................................4311ஹf᪝᪀⌼⌕᪥᪶...................................................44ᓝ0ஹ]...........................................................451ஹFG]..................................................45ᑖஹ4.7ᩞᜋᩞᜋ...........................................46
ஹFG...............................................................461ஹFG₹........................................................462ஹFGHᩞᱯឋ........................................................473ஹFG34........................................................484ஹFGḄJ4......................................................495ஹFGᢙ5........................................................49,ᑖஹ34CDᴻ...............................................51
ஹ.........................................................511ஹᭆ........................................................512ஹ............................................................513ஹ........................................................53ஹ₹...............................................................541ஹ₹᪗"#....................................................542ஹ₹#....................................................553ஹ₹᪗"#....................................................554ஹ₹#....................................................555ஹ;₹#......................................................556ஹᔣᙳᙢ◫(ᵨ................................................567ஹ₹*ᔠ........................................................56,ஹᴻ...........................................................571ஹᴻ☢............................................................572ஹᴻ2ᙽ;........................................................57.2⚓.

33ஹᴻ34........................................................574ஹᴻᢰ4....................................................590ஹW☢ᩚ9.....................................................591ஹW☢W☢ᱯឋ..................................................592ஹW☢ᓭ₹..................................................603ஹW☢ᩚ934᪥᪶..............................................624ஹW☢ᩚ95ᑗ34᪥᪶.........................................635ஹW☢ᩚ9ᢰ4᪥᪶..............................................656ஹᩚ9ᙠ₹(ᵨ<Ḅ᪥᪶...................................67?ஹTᔣᩚ9...........................................................691ஹ⌱ᵨHᩞḄW☢ᱯឋ..................................................692ஹᩚ934........................................................693ஹᩚ957........................................................704ஹᩚ9J4........................................................71Eஹ`QR\]34...................................................721ஹ`R\]CD....................................................722ஹ\]34........................................................72Lஹᓄef᪝...........................................................731ஹf᪝CDhi....................................................732ஹf᪝jak7....................................................743ஹf᪝ja57....................................................754ஹf᪝akj7᪥᪶..................................................765ஹf᪝nop┵rakẚtj7᪥᪶...................................776ஹnopᒨvẚtj7᪥᪶...........................................797ஹf᪝wᩞa5ẚt᪥᪶................................................808ஹ᪀9xya5nopᬪ{rẚt᪥᪶...................................819ஹnop5|ẚtj}7.........................................8310ஹk5~ᔠa7j7.............................................8411ஹf᪝᪀⌼⌕᪥᪶...................................................850ᑖஹ34CD2ᜋ...............................................86
ஹ.........................................................861ஹᭆ........................................................862ஹ............................................................863ஹ........................................................88ஹ₹................................................................891ஹ₹᪗"#....................................................892ஹ₹#....................................................913ஹ$%ᙢ◫(ᵨ....................................................914ஹ₹*ᔠ........................................................92,ஹ$-ឋᢣ᪗#.......................................................921ஹ$-ឋ..........................................................920ஹᓫ234.......................................................921ஹ☢2₹........................................................922ஹ234........................................................93.3⚓.

43ஹ334......................................................944ஹYṹᢙ534᪥᪶....................................................945ஹ¡┑ᢙk34....................................................95?ஹFG...............................................................951ஹFG₹........................................................952ஹFGHᩞᱯឋ........................................................973ஹFG34........................................................974ஹFGḄJ4......................................................985ஹFGᢙ5........................................................99EஹT᫡...............................................................991ஹ⌱ᵨT᫡HᩞḄW☢ᱯឋ..............................................992ஹT᫡Ḅ34.....................................................1003ஹT᫡ḄJ4.....................................................1034ஹT᫡Ḅᢙ534.................................................104LஹT᫡QR\]34..................................................1051ஹQR\]CD...................................................1052ஹ\]34.......................................................105Sஹ`QR\]34..................................................1061ஹ`R\]CD...................................................1062ஹ\]34.......................................................107Xஹᓄef᪝..........................................................1081ஹf᪝CDhi...................................................1082ஹf᪝jak7...................................................1093ஹf᪝ja57...................................................1104ஹf᪝akj7᪥᪶.................................................1115ஹf᪝nop┵rakẚtj7᪥᪶..................................1116ஹnopᒨvẚtj7᪥᪶...........................................1137ஹf᪝wᩞa5ẚt᪥᪶...............................................1158ஹ᪀9xya5nopᬪ{rẚt᪥᪶..................................1159ஹnop5|ẚtj}7.........................................11810ஹk5~ᔠa7j7............................................11811ஹf᪝᪀⌼⌕᪥᪶..................................................119ᓝஹ].............................................................1201ஹFG].................................................120.4⚓.

5ᑖஹ4.5ᩞᜋᩞᜋஹ1ஹ!"ᭆ$£¤:ᗩ○᩟X▾ᓻ«ᦋ⚗®ᡠᙠ°±:;²±³´ᱥᡠᙠᙢᙢ☢¶·4¸¹:c¸ᡠᙠᙢ»ᢙ◫■½4:E4¾:0.4kN/m22ஹÆÇ᪗"£¤᪗"Ç1ÉÊ⁐³´ÌÍ᪗"ÎGB/T50378-20192ɳ´O᪀Ø☠ឋÚ
᪗"ÎGB50068-20183ɳ´ᴻÜᐝ⚔ᢈà⌕ÎJG/T231-20184ÉHᩞW☢âãäᦪæçÆ⌕ÎYS/T437-20185ɳ´ᜋᢙ◫ឋ}êëìí>îæÎGB/T18575-20176ÉïᢞᴻᜋᵨïᜳÎJG/T139-20177Éᔠñ³´Hᩞ1ᑖòᩞÎGB/T5237.1-20178Éᔠñ³´Hᩞ2ᑖò□᩽õᓄHᩞÎGB/T5237.2-20179Éᔠñ³´Hᩞ3ᑖòᵯ÷øùHᩞÎGB/T5237.3-201710Éᔠñ³´Hᩞ4ᑖòúûHᩞÎGB/T5237.4-201711Éᔠñ³´Hᩞ5ᑖòúùHᩞÎGB/T5237.5-201712Éᔠñ³´Hᩞ6ᑖò◞ýHᩞÎGB/T5237.6-201713ÉwO᪀᪗"ÎGB50017-201714Énopᵨçþf᪝ÎJG/T160-201715Éÿ
ᵨᢈ⌕GB/T6725-201716ᵨJC/T881-201717$%
GB/T706-201618&'()ᴻ+ᜋ-.ᢈ/.CECS127-20161934567ឋ9:;<┑GB3098.5-201620@A⛲ᵨCᛛEᔠGGB/T22412-201621Iᵨ$-JK/GB50176-20162234567ឋ9

62934567ឋ9h┤

772Ô⚓ᵨCᔠaᩞYS/T621-200773Õᓫᐗ+ᜋJG/T216-200774+ᜋᵨGJG/T217-200775z{)ᴻᵨEᔠᩩJC/T1022-200776ᢞ⛲☢ᩞᐸaÙᢞ5JC830•Ú830•2-200577ᓄ)ᴻGB15763.2-200578◞ÛÜÝ᪗`GB/T50121-200579o᪀ᵨ¸ÞRßJG/T178-200580)ᴻ+ᜋ-.ᢈ/JGJ102-200381aÙàᩞ+ᜋ-.ᢈ/JGJ133-200182)ᴻ+ᜋ-.áâSã᪗`JGJ/T139-200183+ᜋ)ᴻᵨJC/T882-20013ஹ%&'((1).Ðᙢäåᑜᑖ᪷Èᙢ☢èéµêÐᙢëᑜᑖìíîäåAäïð☢êðñêðòêóòôõᙢö÷Bäᢣᵪúêû᩟êý᪍êÿ○
Ḅ╋CᢣᨵḄDᢣᨵḄᗩ○᩟▾ᓻᦋ⚗"ᢥCᙢ%&'((2).'₹*%&:,ᜋ./ↈ1᜜34᪀67᪷9:;᪀₹*<>GB50009-20128.1.1-2?ᵨ'₹*%&ABCWk=BgzXUqXUxwzoᐸECw---Fᵨᙠ,ᜋHḄ'₹*᪗JK(kN/n?)kBLMNO'(Ḅ▣'Qᦪ᪷9STUᙢV7ᢥ
WAB%&:Bgz=l+2glio(YZᐸEg[\K]^_[2.5,110[10`abcde,a[ᙢ☢hieᢣᦪAUᙢCI]o=O.12,a=0.12BUᙢCI]o=O.14,a=0.15CUᙢCIio=O.23,a=0.22DUᙢCI]o=O.39,a=0.30Uz-'(ejᓄQᦪ7ᢥ:;᪀₹*<>GB50009-2012_l7᪷9STUᙢV7ᢥ
WAB%&CAUᙢCHz=1284b(mJ஺”BUᙢCU=1.000X(ᶇ“'3°zCUᙢCR=0.544X(m))’44zDUᙢCU=0.262X(ᘤ)"6°z.x7⚓.

8{|}./Cᙢ1*-'₹*VQᦪ7ᢥ:;᪀₹*<>GB50009-2012_lwo—{'(7ᢥᐰ{'(7ᙢ_[0.4kN/m2(3).ᙢ◫Fᵨ%&CqEAk=BEX°maxbGAI<ᐸECqEAk-¡¢ᙢ◫Fᵨ᪗JKBE—£Z¤ᜧQᦪ7ᢥ5.0_lamax—¡¢ᙢ◫¦§QᦪᨬᜧK7ᢥ©ª«■e_lC6e(0.05g):a=0.04max7e(0.1g)Camax=0O87e(0.15g):a=0.12max8e(0.2g):a-0.16max8e(0.3g):a=0.24max9e(0.4g):a-0.32maxᙢ«■e[³e7᪷9{ᙢḄ´µ7ᦑ_஺max=0-04GA)-,ᜋ᪀6Ḅ·(N/n?)(4).₹*ºᔠC;᪀«%O7᪷9᪀6¼Zᱯ¾7₹*ᡈFᵨḄ´µÀÁÂḄªZ(ᑁZ)FᵨÄᔣ7⌱ᵨᨬSᑭḄºᔠ7₹*Àᦔªºᔠ«%KᢥWB?ᵨCyGSG+YW஺wSw+YEÎESE+YT*TSTᔜ⚗ᑖÒ[ÓÔ₹*CZÕj₹*C'₹*ஹ×ejᓄᏔᯠ₹*Cᙢ◫₹*ÀFᵨᦔªºᔠḄᑖ⚗Qᦪ7ᢥ
W2.05,_B„=2.05□spi
ᦪ.8⚓.

9Usnl
ᦪ%zᱥ⊤☢!ᦪᢥ᯿(GB50009-20128.3.3)01%fᱥ⊤☢!ᦪᢥ᯿(GB50009-2012833-2)0-1.434567ᱥὃ⇋ᑁ⊤☢;0-0.2ᡈ0.2Av?@᪀BCD☢E05.4m2G᫡᪀BCD☢E00.72m2UsaKL᪀B☢MḄ
ᦪ□slzisz+S2=L2%1UᐭW஺2=-1.6KL᪀BCD☢Eᜧ4ᡈ[425m2ḄᦪU=MX0.8+0.2=1(GB50009-20128.3.4)S25ZSZu=uX0.8-0.2--1.32(GB50009-20128.3.4)s25fsf34^_`a₹cḄ☢Mdef◤ᢚiᨵ□saz"2ysar-1-6n᪵0?@☢E3ᦪpឋrstᑮIog(A)vUsavz=usz+(uszX0.8-U)X—+0.2SZ0732394=l+(0.8-l)X—+0.2=1.095372log(A)vUsavf=us#(UsfX0.8-Psf)X-j^--0.20732394^-1.4+((-1.12)-(-1.4))X--0.2=-1.453521ᢥ᯿tᑮ34☢Mᨵ“spl=L2□snl--1634?@ᨵ□svpl=1095372P=-1.453521svnl34G᫡ᨵ"shpl=l2Ushnl=-L6☢M₹c᪗s᝞w=0xnxxw(GB50009-20128.1.1-2)kpgzsplPzo=2.05X1.2X0.65X0.4=0.6396kN/m2W<1kN/n?,0Wkp=IkN/m2kp☢M₹c᪗s᝞Wkn=BgzX%lX%XW஺(GB50009-20128.1.1-2)=2.05X(-1.6)X0.65X04.9⚓.

10=-0.8528kN/m2W>-1kN/n?,0Wkn=-1kN/m2knn᪵?@₹c᪗s᝞Wkvp=BgzX%vplX%XW஺(GB50009-20I28.1.1-2)=2.05X1.095372X0.65X0.4=0.583833kN/m2Wkvp<1kN/nf,0Wkvp=1kN/m2?@₹c᪗s᝞Wkvn=BgzX%vnlX%XWo(GB50009-20128.1.1-2)=-0.774727kN/m2W>-1kN/m2,0Wkvn=1kN/m2kvnn᪵G᫡₹c᪗s᝞Wkhp=BgzXUshplXUzXW஺(GB50009-20128.1.1-2)=0.6396kN/m2Wkhp<1kN/nf,0Wkhp=1kN/m2G᫡₹c᪗s᝞Wkhn=BgzXUshnlXUzXWo(GB50009-20128.1.1-2)=-0.8528kN/m2W>-1kN/rr?,0Wkhn=1kN/m2khnᜋᢙ[12ஹ.₹-1W:₹cs:kN/m2Yw:₹cᵨᦔḄᑖ⚗ᦪL5☢M₹cᵨW=yXW=1.5Xl=1.5kN/m2pwkpW=yXW=1.5X(-l)=-1.5kN/m2nwkn?@₹cᵨW=yXW=1.5Xl=1.5kN/m2vpwkvpW=yXW=1.5X(-l)=-1.5kN/m2vnwkvnG᫡₹cᵨWhp=YwXW=1.5Xl=1.5kN/m2khpWhn=YwXW=1.5X(-l)=-1.5kN/m2khn3ஹ23ᙢ◫6ᵨG☢M¢£¤¥00.7kN/m2Ak¡a§¢ᙢ◫ª«ᦪᨬᜧs004maxq:ᑖ¯§¢ᙢ◫ᵨ᪗s(kN/n?)Ekq=BEXamaxXG=5X0.04X0.7-0.14kN/m2EkAkYE:ᙢ◫ᵨᑖ⚗ᦪL3qᑖ¯§¢ᙢ◫ᵨs(kN/n?)EAq=YEXqEk=1-3X0.14=0.182kN/m2EA.10⚓.

114ஹ₹-;ᔠᜋ`aḄ₹cᵨ°ᔠᢥ᯿²ὃ⇋ஹᙢ◫₹c°ᔠSzkp=Wkp=lkN/m2Szp=WkpXYw+QEkXYE*3E=1X1.5+0.14X1,3X0.5=1.591kN/m2ὃ⇋ஹᙢ◫₹c°ᔠSzkn=Wkn=·kN/m2Szn=WknX¸w-clEkXYEXE=-1X1.5-0.14X1.3X0.5=-1.591kN/m2ºᔠ0»3sᨬᜧḄ₹c¼½¾¿ÀÁᵨ☢M₹c°ᔠ᪗sIkN/m2☢M₹c°ᔠs1.591kN/m2?@`a₹c᪗sIkN/m2G᫡`a₹c᪗sIkN/m2=ஹ2>ឋᢣ᪗11ஹ2>ឋ᪷ÃÄᜋÅGB/T21086-20075.121⌕È,§ÉឋÊᢣ᪗ᢥ᯿᝞ÌÍ34IIIAÎIVAᙢ!ᓽÑÒÓÎÔÕÖᙢ!§ÉឋÊᢣ᪗Pᢥ᯿☢×7P=1000XuXuX«GB/T21086-20075.1.2.1zc0z:Ù¿5.3m%5.3mÙᜐÙ¿ÛᓄᦪÝᢥCß!àÝGB50009-2012ᩩᦻãä821àå7=0.544*ÝÙU=0.411415ᵫ40.411415<0.65,0u=0.65u:;ᦪç01.2c30:¤èéᙢ!êë00.4kN/m2,¤èéᙢ!ᡠDí᎛!ïHIBßí᎛ᡠᨵP=1000XuXuX30zc=1000X0.65X1.2X0.4=312Paᵫ4ñᙢ!ᡠDí᎛!ïòBßí᎛᪷ÃGB"21086-20075.1.2.1Ýbà²ô▭§ÉឋÊᢥ᯿7Ḅ75%¼½ᓽPX0.75=234PaAஹ☢C1ஹ☢C₹-B:ñᜐ☢Mᑖö÷1.2mH:ñᜐ☢MᑖöÙ:0.6m.11⚓.

12A:ñᜐMᙽ☢EA=BXH=1.2X0.6=0.72m2GAK:☢M¢ᙳú¤☢MḄEÉ¿28(kN/m3)t:☢Mû¿:25mmGAK=28Xt/1000=28X25/1000=0.7kN/m2§¢₹csSz=1.591kN/m2§¢₹c᪗sSzk=lkN/nr2ஹ☢CDE⌱☢Mᩞᧇ:ÿ
-MU150᪥᪶஺^4.7N/mm2H:☢:0.6mB:☢1.2ma0::0.6mb0:Imt:☢:25mmm:ᥛᦪᢥḄ(a0/b0=0.6)!⊤#:0.1338Sz:$ᔠ₹'()1.591kN/m2ᢥᥛ*+(),6XmXSzXb()2xiO3(JGJ133-20015.5.4)6X0.1338X1.591X12X103=2?=2.043608N/mm22.043608N/mm2^4.7N/mm2-./⌕13ஹ☢CFGH᪥᪶TW2.3N/mm2Sz:$ᔠ₹'()1.591kN/m2a:☢:0.6mb:☢1.2mn:234Ḅᢞ6ᦪ7:2P:*+8᦮ᦪ!⊤555#ᑮ1.25I☢:25mmc:;<:7mms:ᓫ>;?@100mmT:ᢞ6ᙠ☢BCDḄE*+.G12⚓.

13SzXaXbXBT-nX(t-c)Xs(K33-2஺஺1557-1)1.591X0.6X1.2X1.25,-------------------------------------------------------------X1A?-2X(25-7)X100=0.39775N/mm20.39775N/mm2^2.3N/mm2☢E*+./⌕14ஹ☢CᢞJFGH᪥᪶ipW125N/mm2ᢞ6ᩞᧇ,N-Q235Sz:$ᔠ₹'()1.591kN/n?a:☢:0.6mb:☢1.2mn:234Ḅᢞ6ᦪ7:2B:*+8᦮ᦪ!⊤555#ᑮ1.25Ap:ᢞ6O☢☢P19.6mm2Tpᢞ6QRḄE*+SzXaXbXBTp=—7——"-(JGJ133-20015.5.5-1)2XnXAp1.591X0.6X1.2X1.25,=—E□WX103=18.26403IN/mm218.264031N/mm2<125N/mm2☢ᢞ6E*+./⌕15ஹᢞJᙠLH6ᵨMḄFGH᪥᪶TwpW125N/mm2G:☢X+Yᔣ()G=YXGAKXBXHG=0.6552kNT:ᢞ6O☢,4mmpB:ᢞ6O☢,50mmpI:ᢞ6O☢[ឋp,Bp/b-12=266.666667mm4S:ᢞ6O☢☢PpTpTpS=(BpX]^_p=100mm3W:ᢞ6O☢`ᢙp=133.333333mm3.G13⚓.

14ᡠcᢞ6ᙠX+dᵨfCDḄE*+᝞f?XSPT=---------------WPIpXBp0.6552X1000-----5-----X100=266.666667X50=2.457N/mm22.457N/mm2^125N/mm2☢ᢞ6ᙠX+dᵨfḄE*+./⌕16ஹᢞJᙠLH6ᵨMḄDEO᪥᪶஺wpW215N/mm2M☢ᙽX+()ᙠᢞ64CDḄdᵨpLpᢞ6}~YᔣᢧGMp=7XLP_0.655235=2XWOO=0.011466kN.mᡠcᢞ6*+,_0.011466X1()6=133.333333=85.995N/mm2ὃ⇋ᢞ6ᙠX+dᵨfḄE*+ᢞ6QRḄᢚ*+᝞f°wp=^°p2+3Xi2wp[85.9952+3X2.4572=86.100236N/mm286.100236N/mm2<1.1X215N/mm2☢ᢞ6ᙠX+dᵨfḄ*+./⌕1P'ᩞ>RSTEUV1ஹᩞ>RSTE(1)ᓄᦔ*ḄT:ᓄᦔ*Ḅ:mms8᪀ấ¡Ḅ¢£QR¤+:0.125|¥T¦¢80࠷U:☢ᙽᙠ¦¢dᵨf©ª«ᩞ¬£®7:mms©ª«ᩞ¯°±ᦪa]=1.2X10(-5)☢¯°±ᦪa=0.8X10(-5)wUs=bX¥TX(ara0)X1000.G14⚓.

15=1.2X80X(1.2X10(-5)-0.8X10(5))X1000=0.192mmUs/0(JGJ102-20035.6.5)s.81X(2+6])0.192-^0.125X(2+0.125)=0.372535mmফᙢ◫dᵨfḄTᙢ◫dᵨfḄ:mmsH:¹ᜋᑖ¼:0.6m0¹ᜋ½¾£(£¿1/5508:ấ¡Ḅᙢ◫£QR¤+:0.412஺XHX1000s432*(2+62)S^X0.6X1000W-0.41X(2+0.41)=1.097457mm(3)ấ¡ḄᨬÂ2mmÃÄÅᵨḄ,8mmᵫÇ2<8mm,ấ¡./⌕1WஹXY1ஹXY₹-(1)È₹'¯ᑖÉᨬᜧ₹'Ë()(ÌᑖÉ)qÈ₹'¯ᑖÉᨬᜧ₹'Ë()(kN/m)wr:È₹'dᵨᦔ*Ḅᑖ⚗ᦪ1.5wW:È₹'᪗Ï)IkN/n?kBp¹ᜋÐᑖ¼1.2mB:¹ᜋÑᑖ¼1.2mrB[+BrAwk=WkX^ߟ=1.2kN/mqw=l$Xqwk=1.5X1.2=1.8kN/m(2)ᑖÉ}~ᙢ◫dᵨ()G:©ªÐ¹ᜋ᪀6(ᒹÓ☢Ô᪾)Ḅ~ᙳ×X1.1kN/n?Ak(G:©ªÑ¹ᜋ᪀6(ᒹÓ☢Ô᪾)Ḅ~ᙳ×X1.1kN/n?AkrQEAkr5XaXG(JGJ102-20035.3.4)maxAkl.G15⚓.

16=5X0.04X1.1=0.22kN/m2qAkl=5XaXG(JGJ102-20035.3.4)EmaxAkr=5X0.04X1.1=0.22kN/m2qEklXB]+qEkrXBr(lek=20.22X1.2+0.22X1.2:2=0.264kN/mq=1.3Xqeek=1.3X0.264=0.3432kN/m(3)©ª₹'$ᔠ©ªᡠR$ᔠ₹'᪗Ï),qk=qwk=L2kN/m©ªᡠR$ᔠ₹'(),q=qw+9E*qc=1.8+0.5X0.3432=1.9716kN/m©ªØÙ᝞f(4)©ªÚÛᨵ▲ᐗᑖ᪆#ᑮ©ªḄÙ᝞f:©ªᑖÉ᝞f⊤ᑡ⊤ᩩâ123456789ã®(m)0.0000.5061.0131.5192.0252.5313.0383.5444.050(kN.m)0.0001.3132.1212.4242.2211.5130.299-1.419-3.643ã®(m)4.0504.1064.1624.2194.2754.3314.3874.4444.500(kN.m)-3.643-3.166-2.695-2.230-1.772-1.319-0.873-0.4340.000ᨬᜧäDᙠ4.05mᜐM:¹ᜋ©ªᙠÈ₹'Ôᙢ◫dᵨfCD(kN-m)M=3.643147kN•m©ªᙠ₹'dᵨfḄæ+Ù᝞f©ªᙠ₹'dᵨfḄçè+éê᝞f⊤çëìXᔣè+(kN)Yᔣè+(kN)í¿è+(kN.m)nO-3.093——nl7.6527.722—n2-13.432——.G16⚓.

172ஹXYZᩞᱯឋ⌱頻ᩞᧇðñN-Q235⌱ᵨ©ª«ᩞòó100x50x4«ᩞ-():215N/mm2«ᩞôឋõ7:E=206000N/mm2Xæ[ឋk=141.526cm4Yæ[ឋIy=46.712cm4Xæ4ö`ᢙW=28.3051cm3X1Xæfö`ᢙW=28.3051cm3x2YæÐö`ᢙW=18.6848cm3ylYæÑö`ᢙW=18.6848cm3y2«ᩞO☢P:A=11.257cm2«ᩞ᪥᪶ᜐᢙE÷:t=4mm«ᩞO☢☢PS=0cm3sᛛឋäùᦪY=L053ஹXYDE᪥᪶Bl:¹ᜋÐᑖ¼1.2mBr:¹ᜋÑᑖ¼1.2mHv:©ªGAkl:¹ᜋÐᑖ¼×Xl.lkN/n?GAKr:¹ᜋÑᑖ¼×Xl.lkN/n?¹ᜋ×X¯₹'GAklXBl+GAkrXBrGk=-------------2-------------1.1X1.2+1.1X1.2:2=1.32kN/m.G17⚓.

18rG:᪀×Xᑖ⚗ᦪ1.3G:¹ᜋ×X¯₹'()1.716kN/mf:©ª-(N/mn?)A:©ª«ᩞO☢P11.257cm?N1:ᩚᨬᜧ(kN)Ny:ᩚᨬᜧ(kN)Mmax:ᩚᨬᜧ(kN.m)Wz:☢ᢙ(cnP)Y%ᛛឋ()*ᦪ%1.05./ᨵ▲ᐗ345ᑮḄ8᪥᪶ᦪ;⊤=᝞?:@AN1NyMmaxWzAfzb06.9500.0003.64328.305111.257128.755bl7.7220.0003.64328.305111.257129.441./N☢34OPQᩚblḄ8ᨬᜧQR129.440607N/mm2Wfa=215N/mm2,ᡠWXYZ[⌕]4ஹXYḄ\E᪥᪶^;%DfmaxWὁDfmax%ᨬᜧᐕbᢰd%./ᨵ▲ᐗᑖ᪆345ᑮḄᢰdg᝞?%ᢰdᑖh᝞?⊤:ᑡ⊤ᩩk123456789lm(m)0.0000.5061.0131.5192.0252.5313.0383.5444.050ᢰd(mm)0.0003.0405.4006.6486.6225.4303.4511.3350.000lm(m)4.0504.1064.1624.2194.2754.3314.3874.4444.500ᢰd(mm)0.000-0.052-0.083-0.096-0.094-0.081-0.059-0.0310.000ᨬᜧᢰd(nᙠ1.771875mᜐQᨬᜧᢰdR6.794055mmAqX1000Dfmax==1000=16.2mmᨬᜧᢰdUmaxR:6.794055mm<16.2mmᢰdZ[⌕]5ஹXYᢙF᪥᪶^;%TmaxW[T]=125N/mm2./ᨵ▲ᐗᑖ᪆345ᑮḄxg᝞?:.y18⚓.

19xᑖh᝞?⊤:ᑡ⊤ᩩk123456789lm(m)0.0000.5061.0131.5192.0252.5313.0383.5444.050x(kN)-3.093-2.095-1.097-0.0990.9001.8982.8963.8944.892lm(m)4.0504.1064.1624.2194.2754.3314.3874.4444.500x(kN)-8.539-8.429-8.318-8.207-8.096-7.985-7.874-7.763-7.652ᨬᜧx(nᙠ4.05mᜐT%᫣x8%Q:᫣ᨬᜧx%8.539492kNS:|ᩞ☢☢~:Ocn?sI:|ᩞ☢ឋ%141.526cm4xt:ᢙx:4mmQXSX100s8.539492XOX100=~141.526X4-=0N/mm20N/mm2<125N/mm2ᢙxdOWZ[^ஹXY_`a᪀cd1ஹXY_`a᪀cdᜐṹᩞᧇ%-Q235᪝ᩞᧇ%C.᪝-4.8L4ᜐṹ%6mmD:᪝%12mmvD:᪝ᨵᦔ%10.36mmveN:ᜐ(N):hN=Qh=10.74522kNN:ᜐ3(N):gNg=7.722kNN:ᜐᔠ(N):/7.7222+10.745222X1000=13232.121404NN%:᪝ḄXY%N:ᜐxᑗ☢ᦪ:2v.y19⚓.

20NJ=2X3.14X[^-7J2X140(GB50017-201711.4.1-1)=2X3.14X(Axi4()=23603.01180INN:᫣¢£¤ᱥ¦§᪀Ḅ᪝©ᦪ%numNN^numNi_D13232.121404-23603.011801=0.560612©¬2©N]%᫣|ᩞᢙX(N):N:ᜐxᑗ☢ᦪ:2X2vlt:᫣:4mmN^=DX2X320XtXN(GB50017-201711.4.1-3)vnum=12X2X320X4X2=61440N13232.121404NW61440N᫣|ᩞᢙXZ[N&ṹ|ᩞᢙX(N):N^=DX2X320XLXN(GB50017-201711.4.1-3)ovctnum=12X2X320X6X2=92160N13232.121404NW92160Nṹ|ᩞᢙXZ[eஹf᫡1ஹ⌱ᵨf᫡ZᩞḄi☢ᱯឋ⌱´µ᫡ᩞᧇ·¸%-Q235⌱ᵨµ᫡|ᩞ»¼:L50X4|ᩞd3:215N/mm2|ᩞ½ឋ¾¿:E=206000N/mnrXឋ%Ix=9.25733cn?Yឋ%Iy=9.25733cn?XNÂᢙ%W=2.55787cm3xlX?Âᢙ%W=6.70408cm3x2YÃÂᢙ%W=6.70408cm3ylYÄÂᢙ%Wy2=2.55787cn?.y20⚓.

21|ᩞ☢~:A=3.89729cm2|ᩞ34᪥᪶ᜐᢙx:t=4mm|ᩞ☢ÅX☢~%S=2.60596cm3s|ᩞ☢ÅY☢~%S=2.60596cm3syᛛឋ()*ᦪ%Æ=1஺52ஹf᫡ḄDEMMxv᪥᪶^;%+ÆÊË0=215(JGJ102-20036.2.4)yxw(1)µ᫡ᙠÌᵨ?Ḅ(kN-m)H:Íᜋᑖ=Ï:0.6mhB:Íᜋᑖ=Ð%1.2mhG:µ᫡NÂ☢Ñ%LlkN/m?AkhuG:µ᫡?Â☢Ñ%l.lkN/rr?AkhdG:µ᫡₹YÓᑖhᙳh₹YÕd᪗×(kN/m):hkGhk=lØXHh=1.1X0.6=0.66kN/mG:µ᫡₹YÓᑖhᙳh₹YÕd3(kN/m)hGh=YoXGhk=1.3X0.66=0.858kN/mµ᫡ÙÂXÚ₹YRG=|xGXBrhhh=1xo.858)<1.2=0.5148kNM:µ᫡ᙠ₹YÌᵨ?Ḅ(kN•m)hg.y21⚓.

22Mhg4XGhXBh211qX0.858Xl.22o=0.15444kN•m(2)µ᫡XÚḄßᔠ₹YÌᵨ34µ᫡XÚà₹YÌᵨw=lkN/m2kq%µ᫡☢᜜ᙢ◫₹Y%EAkBE:äåᜧ*ᦪ%5amax%ᙢ◫æç*ᦪᨬᜧ:0஺4qEAku=BEXamaxX1.1(JGJ102-20035.3.4)=5X0.04X1.1=0.22kN/m2q=BEXamaxX1Ø(JGJ102-20035.3.4)EAkd=5X0.04X1.1=0.22kN/m2₹Yßᔠ%µ᫡XÚ☢₹Yßᔠ᪗×%q=w=IkN/m2Akkµ᫡XÚ☢₹Yßᔠ3%qAu=YwXWk+0.5xYEXqkuEA=1.5X1+0.5X1.3X0.22=1.643kN/m2qAd=YwXWk+0.5XyEXqkdEA=1.5X1+0.5X1.3X0.22=1.643kN/m2(3)µ᫡ᙠßᔠ₹YÌᵨ?Ḅ(kN•m)µ᫡NÂßᔠ₹YÓᑖhᨬᜧ₹YÕd᪗×(êëᑖh)µ᫡?Âßᔠ₹YÓᑖhᨬᜧ₹YÕd᪗×(êëᑖh)ᑖµ᫡N?Âᑖ¸34H%µ᫡NÂ☢ÑÏd0.6mhuH:µ᫡?Â☢ÑÏd0.6mhdHhuq=qAux-u=1.643Xí=0.4929kN/mHhd(ld=(lAd><~=1.643Xí=0.4929kN/mßᔠ₹YÌᵨðnḄÓ₹Y᪗×R:.y22⚓.

23Hhuquk=qAkX-^-=0.3kN/mqdk=qAkXñ=0.3kN/mM:µ᫡ᙠßᔠ₹YÌᵨ?Ḅ(kN-m)h/X0.4929x1.22X(3-(¥=0.081328kN•mMhd=^XqXB2XóôdhটX0.4929X1.22X(3■•=0.081328kN•mM=M+Mhhuhd=0.081328+0.081328=0.162657kN.mভµ᫡d%஺%µ᫡34d(N/mn?):W:Xᢙ:2.55787cm3x2W:yᢙ:2.55787cm3y2Y%ᛛឋ()*ᦪ%1.05(0.154440.162657>,=<1.05X2.55787+1.05X2.55787ø0=118.065868N/mm2118.065868N/mm2Wf=215N/2ammµ᫡ù8dZ[⌕]3ஹf᫡Ḅ\E᪥᪶^;%U^250QúZ[Ìᵨ?UgmaxWû,UgmaxW3mmmaxµ᫡XÚᑖhÓ₹YÌᵨüḄᨬᜧ₹YÕd%q%µ᫡NÂ☢ÑᡠÚßᔠ₹Y᪗×R0.3kN/mkuq%µ᫡?Â☢ÑᡠÚßᔠ₹Y᪗×R0.3kN/mkd.y23⚓.

24u:µ᫡NÂýᔣᵫᔠ₹Ḅ:hu0.3X1.24X5XJ^2+2XJ^

=206000X9.25733X240Xয=0.383336mmU:᫡ᔣᵫᔠ₹Ḅhd0.3XL2X5/(^+2X(!ஹ206000X9.25733X240X10=0.383336mmU:#$%ᵨḄhg5XGXB4X108hkh%=-384XEX,5XO.66X1.24X1()8'384X206000X9.25733=0.934447mm<3mm(ᔠḄ)U=Uhu+Uhd=0.383336+0.383336=0.766671mmD=—^ߟuBX1000h=0.766671=1.2X1000=0.000639W1/250%Dg=BX1000h_0.934447=1.2X1000=0.000779W1/500ᢰ+,-⌕/4ஹf᫡ḄᢙFDE᪥᪶234^125N/mm2max.624⚓.

25(1)Qᔠ₹%ᵨ᫡;<=>?(kN)q᫡Dᔠ₹E₹ᨬᜧ?:0.4929kN/muq:᫡ᔠ₹E₹ᨬᜧ?:0.4929kN/mdB.PᜋᑖST:1.2m◤⌕ᑖV>W᫡Dᑖ☢YḄᔠ₹ᡠḄ;<=>?᫡Dᔠ₹Eᑖ[ᕈ]^ᑖ[᫡ᔠ₹Eᑖ[ᕈ]^ᑖ[BhHhuQu=quXyX(1—)=0.4929XeX(1--gឌ5)1.Z/Xz=0.221805kNcBh%Qd=qdo2x(i--)=0.4929XrX(1-)=0.221805kN(2)Q:᫡ᡠs;<Q=Qu+Qd=0.221805+0.221805=0.44361kN(3)T:᫡;v

26ஹf᫡_XYcdJ1ஹf᫡_kṹcdQs;<ᵨSW+0.5SEᔠQ=0.44361kN᫡ṹ᪝ᩞᧇ:C᪝4.8᪝Ḅᢙ;+>W?140N/mn?N:;ᑗ☢ᦪ1vD:᪝¦§¨©:6mmD:᪝ᨵᦔ¨©:5.06mmeN:᪝s;®¯<>WvbhNvbh=NvX3.14XX140(GB50017-201711.4.1-1)=1X3.14X(^^)2x140=2815.262858NNnum᪝°ᦪN=-2-^numNuuஹvbh0.44361X1000-2815.262858=0.157573᫡ṹ᪝±2°N:Pᜋ᫡yᩞᢙ®²¯<>Wcbt:Pᜋ᫡ᢙ;:4mmN=DXtX320XNcbnum=6X4X320X2=15360N443.6INW15360N᫡ṹ+,-⌕/2ஹkṹ_XYcdG:#$₹(N):hG=0.5148kNhN:ᜐᔠ₹´ᵨSG+SW+3EXSg=^0.51482+0.443612=0.679565kNN:;ᑗ☢ᦪ1v.626⚓.

27D:᪝¦§¨©:6mmpD:᪝ᨵᦔ¨©:5.06mmCDṹ·¸᪝ᩞᧇ:C᪝-4.8Nvbhv᪝s;®¯<>WNvbhv=NvX3.14X(^)2x]40(GB50017-201711.4.1-1)=lX3.14X(¥px140=2815.262858NN:᪝°ᦪnum2Nnum2=N/Nvbhv=0.241386·¸ṹ᪝±2°N:ṹᢙ®²¯<>WcbjL|ṹ:4mmct$ᑗ=DXLCHX320Nnum2(GB50017-201711.4.1-3)=6X4X320X2=15360N679.565208NW15360N·¸ṹ+,-⌕/ᓝஹf᫡cdnoDE1ஹcdno%&UVV:¿ÀÁÂÃ%ᵨḄᔣ;<:0.44361kNxVy¿ÀÁÂÃ%ᵨḄĨᔣ;<:0.5148kN1^®sᔣ;<ḄÀÁÅ+50mmL:®sĨᔣ;<ḄÀÁÅ+50mmyNVᔣÆ}OkN.mM:ĨᔣÆ}OkN.myhfÀÁḄÀÊËÌ)4mmÀÁḄÍ☢ᱯឋ᝞XÐឋ}Ix=120cm4YÐឋ}Iy=120cm4XÐDÒᢙ}W=34cm3x1XÐÒᢙ}Wx2=34cm3YÐÓÒᢙ}W=34cm3ylYÐÔÒᢙ}Wy2=34cm3Í☢{☢|:A=10cm22ஹnoDE1).>WÖᦪ×ØBfÙ☢ÀÁ(ÆÀÁ)Ḅ+=>ÚᜧÛᦪÜ®s☟<₹Þß®sà<₹Ḅá.627⚓.

28᪀±1.22ܨ®sà<₹Ḅá᪀±1.0஺ÀÁḄ+=>?±160N/mm22).ÀÁ;v<>W;v<>WAfx:ᔣ®s;<ḄÀÁ☢|Afx=LXhX0.7xf=50X4X0.7=140mm2VxT----X-Afx_0.44361X1000'140=3.168643N/mm2Ĩ;v<>WA:Ĩᔣ®s;<ḄÀÁ☢|fyAfy=LyXhfX0.7=50X4X0.7=140mm2_0.5148X1000'140=3.677143N/mm23).}%ᵨḄÙv<>WMx0---------WX_BfXWy0X1000=1.22X34=ON/mm2Mo'æwyBfXWx0X1000=1.22X34=ON/mm24).ᔠv<>Wᙠ}ஹ;<ᐳê%ᵨÀÁḄᔠv<ëW᝞:஺=4(஺wx+஺wy)2+(TX?+Ty2)-7(0+0)2+(3.1686432+3.6771432)4.854037N/mm2

29ᡠíÀÁ+,-⌕/ᓝ'pd᪀JDE1ஹpd᪀JqH%&r$V:¿᪀îyÃ%ᵨḄᔣ;:E=206000N/mm2XABឋk=120cm4YABឋIy=120cm4XAGHᢙWxi=34cm3XAMHᢙW=34cm3x2YANHᢙWy[=34cm3YAPHᢙW=34cm,y2/ᩞR☢S:A=10cm2/ᩞ8U᪥᪶ᜐHᢙᔣYZḄ[\:t=4mm/ᩞ8U᪥᪶ᜐHᢙ]^YZḄ[\tx=3mmXA/ᩞR☢☢SS=12cm3sxYA/ᩞR☢☢SSsy=12cn?ᛛឋdefᦪ7=1.053ஹpd᪀JDE1).]^YiZ8U.j29⚓.

30VxXSsylyXtx_0X12X100=-120X3=ON/mm22).YiZ8U_7.722X12X100-120X4=19.305N/mm23)#pᵨZqrḄ᪀%siZ8UN°n=A10.74522X10tio=10.74522N/mm24).pᵨqrḄ᪀%siZ8U_Mh(°whiXWyy_0X1000t34X1.05=ON/mm2Mvo=-------wvyXWx_2.3166X1000t34X1.05=64.890756N/mm25).zᔠiZ8UᙠஹYZஹAZᐳpᵨM᪀%ḄᔠiZU᝞M:0=4(0wh+஺wv+On)2+(Tx+Ty)2=4(0+64.890756+10.74522y+(0+19.305)2=78.060771N/mm2Wfa=215N/mm2ᡠ᪀%56⌕6).ᢰ68Uᙠ]^YZpᵨMḄᢰ6VXL2X(3XL-L)XXXDvx=6XEXIy.30⚓.

31_0X0.32>C(3><0.30.3)><1086X206000X120=0mmYZpᵨMḄᢰ6VXL2X(3XL-L)VVVD=-1-----1---------------"6XEXIx_7.722XO.32X(3X0.3-0.3)X1(/6X206000X120=0.281141mmᡠ
Ḅᢰ6Dx=Dvx=0mmDy=DyV=0.281141mmD=s2+2=0.281141mmWᨬᜧᐕᢰ6Dfmax=250^^=2.4mmᡠᢰ6⌕ᓝ+ஹpcdnoDE1ஹpdno%&UVv:pᵨḄ]^ᔣYZ:0kNxVypᵨḄᔣYZ:7.722kNN:pᵨḄᚖ^☢ḄpᵨZ:10.74522kNL:]^ᔣYZḄ663mmxL:ᔣYZḄ6100mmyMx]^ᔣOkN.mMyᔣ2.3166kN.mhfḄ¡¢£6mmḄ2☢ᱯឋ᝞MXABឋk=120cm4YABឋ&=120cm"XAGHᢙW=34cm3xlXAMHᢙW=34cm3x2YANHᢙW=34cm3ylYAPHᢙWy2=34cn?2☢R☢S:A=10cm22ஹnoDE1).8U¥ᦪ¦§.j31⚓.

32Bfs☢©ªḄ5678«ᜧfᦪ¬☟Z₹°±²#³Z₹°Ḅ´᪀µ1.22¶#³Z₹°Ḅ´᪀µ1.0·Ḅ56789µ160N/mm22ª.YiZ8U]^YiZ8UA:]^ᔣYZḄ☢SfxA=LXhX0.7fxxf=63X6X0.7=264.6mm2_0X1000=264.6=ON/mm2YiZ8UAfyᔣYZḄ☢SA=LyXhfXO.7fy=100X6X0.7=420mm2_7.722X1000=420=18.385714N/mm2#pᵨZqrḄsiZ8UNo——~nBfXA_10.74522X10=1.22X10=8.807557N/mm23).pᵨqrḄsiZ8UMo—x_|WX-BfXWy_0X1000=1.22X34=ON/mm2My°wy=gXWfx_2.3166X1000=1.22X34=55.848602N/mm2.j32⚓.

334).zᔠiZ8UᙠஹYZஹAZᐳpᵨMḄᢚUiZU᝞M:஺=4(஺wx+஺wy+஺n)2+TX?+Ty2=AJ(O+55.848602+8.807557)2+02+18.3857142=67.219442N/mm2Wf=160N/mm2ᡠ¬56⌕ᓝ=ஹᓄ᪝1ஹ᪝UVV:YZ789V=7722N]^YZ789Vh=ONN:»ᔣZ789N=10745.22Ne2¼᪝¾¼¿^☢ÀÁ:0mmM:789(N.mm):yM=VXey2=7722X0=0N.mmT:Â789(N.mm):ON.mmÃÄ8U¼᪝(/᠗Æ-ᓄȼ᪝FHB-A10*60/10¼᪝ᩞᧇ(/É┤*¼᪝-A2-70¼᪝Ë12mm¼᪝Ì¿ÍË13mm¼᪝ᜐÎÏÐÑÍË14mm¼᪝ᨵᦔ¼ÔÕ6120mm¼᪝ÌÎÏÐÖ)ÎÏÐ-C25ÌÎÏÐÑ×ÎÏÐÌÎÏÐØᩞ\6:400mmÎÏÐÑ×ÙÚÛÜÝÞßÉÑ×ÎÏÐᡈÚÛáÝᡈâÝḄÑ×ÎÏм᪝¼ÔãÎÏÐÜÝäåᐸçÞß2ஹ᪝qH¼᪝èéêë4᝞M.j33⚓.

34ᓄȼ᪝èéêë4d:¼᪝Ë12mmdf:¼᪝Ì¿ÍË13mmᙠíZ±ᐳpᵨM¬¼᪝îᨵïðñòḄZóô஺✌ᐜᎷ!¼᪝îøùúḄûüý³¬þᑖ᪆
ᑮ᪝ᙶ᪗[150,100],ᔜ᪝ᑮ᪝ḄYᔣEy2=10000yᙶ᪗ᨬ"Ḅ᪝4$᪝%&Ḅyᙶ᪗150,&ᑮḄyᔣyl=150-100=50mmyᙶ᪗ᨬ*Ḅ᪝1$᪝%&Ḅyᙶ᪗50,&ᑮḄyᔣy2=50-100=-50mmᡠ,᪝Ḅᨬᜧᨬ./01NMXy2Nminj+2Ey10745.2207(-50)=~4~+10000=2686.305NNMXylNmaxJ+?210745.220X(50)=~4~+10000=2686.305NᙠA0ᔜBCᐳEFᵨ,ᔜ᪝H/ḄA0᝞J⊤:M$XYN(G)N(Mv)N(Mv)XCyN(Mh)N(Mh)XCxN(L)1505002686.3134315--2686.322505002686.3134315--2686.335015002686.3402946--2686.3425015002686.3402946--2686.3E(NXCoord)/£N=(150,100),/A᪝(150,100)ZeNx=0ZeNy=0,\0]^ḄA00Nᡠᨵ᪝H/ḄA0`10745.22N3ஹ᪝qFH᪝H/a0ᢥ᯿ẚefghi᝞J1)᪝jᩞẚeᡈmnoapẚeqᓫsὃ⇋vᔣa0Fᵨ%V:7722Nv.x34⚓.

35V:0Nxryz{vᔣa0V/aḄ᪝ᦪ}4~,1z{a0V/aḄ᪝ᦪ}4~(JGJ145-20135.3.3-2)(JGJ145-20135.3.3-1)ᡠ,᪝ᙠa0FᵨJ%᪝Ḅᨬᜧa0hV-=Vஹ=1930.5NOlIldA\ᦑV1d=Vsmax=1930.5N`a0hV&x=0N,V1dy=-7722N,V1d=7722N2mnoẚeq᪷ᑖ᪆%vᔣa0ᚖᩞ%a0ᩞᢥ᯿⌕%ᚖᩞq%ᢥ᯿ᑖH/a0h,ᔲᑣᢥ᯿ᐰH/a0¡¢JGJ145-2O135.3.1.2ny1z{vᔣa0V/aḄ᪝ᦪ}2~%1z{a0V/aḄ᪝ᦪ}4~ᓫ~᪝H/Ḅvᔣa0ᡃNᡠ,᪝ᙠa0FᵨJ%᪝Ḅᨬᜧa0hVsmax=Vg=3861NᦑV1d=Vsmax=3861N`a0h:¢§¨ᔣa0©ὃ⇋aᑗJq%«¬₹®v£xi=0N,V%y]=7722N,V&]=7722N.x35⚓.

364ஹ᪝q-H᪥᪶᪥᪶²NgWN(JGJ145-20136.2.1-5)dRdsᐸ¶:᪝¶A0ᨬᜧḄ᪝ḄA0h%᪷·☢hi¹2686.305NNRds1᪝jᩞẚe/A0hD:᪝»12mmA:᪝¼☢☢½84.29647Imn?sfyk1᪝ÁÂÃÄ᪗ÅNRks1᪝jᩞẚe/AH®0᪗ÅYRS.N:᪝jᩞẚe/AH®0ᑖ⚗Çᦪ%ᢥ⊤4.3.10Èᵨfyk=450N/mm2NRks=AsXfyk=84.296471X450=37933.411823N37933.411823ÉL2=31611.176519NᵫNË=2686.305NWNRds%ᡠ,᪝jᩞÌÍÃÄ⌕ὃ⇋AÎÏᐰÇᦪ2,ᑣ᪝AÎÐÑÃÄᨬÒ⌕Óᑮ5.37261kN5ஹ᪝┵qẚ-H᪥᪶᪥᪶²N|

37Nåkc1ᓫ᪝/Aq%ᳮímno┵ÚẚeqḄ/AH®0᪗Å;ïÜÝmno,Nåkc=7.0Xfcu.k"5Xhef"(JGJ145-20136.1.3-3)ï©ÜÝmno,Nåkc=9.8Xfcu.k°,5XhefL5(JGJ145-20136.1.3-4)feu*mnoóÚᢙõÃÄ᪗Å%öᐸᙠ45-60MPaøq%¬ù,è*Çᦪ0.95åúᜐmnomno-C25,fcu.k¹25N/mm2h1᪝ᨵᦔÛýÄåïþÿ
᡽᪝┵ᨬᜧᢴḄef120mmNkc=7QXᵨXhe(=7.0X250-5X120'5=46008.69483NAN3456ẚ8┵ᢗ:☢☢<ᢥ6.1.4[m?45-2013]s3456┵ẚ8CDEFGHᦔJKLMᦔJNOP᪷᪝RSTUV᪗XcrNYḄZ[G\஺s=3Xhf=360mmcrNec3ஹc43nᔣ1
2H456LḄL\siஹs23qrnᔣKstnᔣ᪝ᨬᜧḄGHᑖv100mmK200mmC3FGHᦔJKLMᦔJCDE456┵ẚ8wḄZ[L\CcrN=L5XhefcrN=180mmA=190400mm2cNᐹz{|᝞E(R᪝ᐭ☢<)3%N3L\cRSTUVḄ:ᦪᢥ6.1.6[JGJ145-2013]ᵨ:0.3Xc+=0.7+------<1(JGJ145-20136.1.6)SNCsNᐸkcL\L\wᨬY120mm03XceSN=S7+ccrN0.3X120=0.7+]80=0.9ᡠSN0-9஺kreN3⊤456ḄᒑᵨRSTUVḄ:ᦪᢥ6.1.7[JGJ145-2013]ᵨ¡GHs2150mmᡈ¡r£dW10mm¤s2100mmw,1.0¥¦§ᐸ¨©◤⌕ᢥ᯿E®.¯37⚓.

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43ᵫV^dWVRdc!ᡠ#3456Wẚg+HIJ()⌕/9ஹFẚ-®H(JGJ145-20136.1.26-1)VRkcp-KXN(JGJ145-20136.1.26-2)RkcᙠM☢íh1K1ᙢ◫ᵨHIJᦪ|V1345+ØẚmḄg+HIJO|RdepVRkcp1345+ØẚmḄg+HIJ᪗|YRcp1345+ØẚmḄg+HIJᑖ⚗ᦪ!ᢥ⊤4.3.1081.5|K1$=>-hefSVRkcpḄ©®ᦪ!¶he(<60mmm81.0,ᔲᑣ82.0,Òᜐ82஺VRkcp=KXNR]^=2X60833.71872=121667.43744N=48666.974976NᵫVgsd=7722NWVRdep,ᡠ#345+Øẚ,-()OP⌕/!10ஹF¯ᔠqH-H1)ò+óᔠgJ$᪝&ᩞẚmḄHIJ!ᢥ᯿☢íOP(JGJ145-20136.1.28-1)(JGJ145-20136.1.28-2)(JGJ145-20136.1.28-3)N5.:$᪝}hòJᨬᜧḄ$᪝ḄòJO!᪷LM☢OP82686.305NN:$᪝&ᩞẚgòJO?31611.176519NRdsV1d:$᪝}h+JᨬᜧḄ$᪝Ḅ+JO!᪷LM☢OP81930.5NVRds1$᪝&ᩞẚg+HIJO.y43⚓.

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45d=20Qᨬ+EFG⌕ᜧ890mm;d224Qᨬ+EFG⌕ᜧ84d;EFG120mmQ#$⌕(VᓝAஹ³´o1ஹXY³´oW〉YZᜋ\G]^23_`a᦮Ḅ◤⌕QdefNghijᝅlma:deᩞᧇḄqrstᦪQv1.2X10-5wT:yᨬᜧ\zQv80࠷L:de}G5300mmQ▭a᦮tᦪQv146_`zQv3mmd2:᪀Ḅᔣ]^Qv3mmAL:wL=aAT.Lஹ+d]+d2=1.2X10-5X80X5300X1+3+3=11.088mm▭◣dv20mm211.088mm#$⌕(.S45⚓.

46+ᑖஹ4.7ᩞᜋᩞᜋஹXY1ஹXY₹-(1)₹qᑖᨬᜧ₹G.(^ᑖ)q6₹qᑖᨬᜧ₹G.(kN/m)wr:₹ᵨᦔYḄᑖ⚗tᦪ61.5wW:₹᪗£.6IkN/n?kBZᜋ§ᑖ¨©61.2m16B:Zᜋªᑖ¨©61.2mrBi+Bj.qwk=WkX^—=ix-^=1.2kN/mqw=l$Xqwk=1.5X1.2=1.8kN/m(2)ᑖ®¯ᙢ◫ᵨ.G|6de§4Zᜋ᪀³(ᒹµ☢·¸᪾)Ḅ¯ᙳ»¼61.1kN/m?AkG:deª4Zᜋ᪀³(ᒹµ☢·¸᪾)Ḅ¯ᙳ»¼61.1kN/m2AkrAEAkr5XaXG(JGJ102-20035.3.4)maxAkl=5X0.04X1.1=0.22kN/m2qEAkl=5XamaxXGAkr(JGJ102-20035.3.4)=5X0.04X1.1=0.22kN/m2qEklXBi+qEkrXBrqek=20.22X1.2+0.22X1.2=2=0.264kN/mq=1.3Xqeek=1.3X0.264=0.3432kN/m(3)de₹¿ᔠdeᡠÁ¿ᔠ₹᪗£.6qk=qwk=L2kN/mdeᡠÁ¿ᔠ₹.6q=qw+2E*qe=1.8+0.5X0.3432=1.9716kN/m.S46⚓.

47deÃÄÅ᝞N:(4)deÆ6hiᨵ▲ᐗᑖ᪆ÃËᑮdeḄÆÅ᝞N:deÆᑖ᝞N⊤:ᑡ⊤ᩩÐ123456789ÑÒ(m)0.0000.5311.0621.5942.1252.6563.1883.7194.250Æ(kN.m)0.0001.4442.3312.6622.4361.6540.316-1.579-4.030ÑÒ(m)4.2504.3064.3624.4194.4754.5314.5874.6444.700Æ(kN.m)-4.030-3.504-2.985-2.472-1.965-1.464-0.970-0.4820.000ᨬᜧÆÓÔᙠ4.25mᜐM:Zᜋdeᙠ₹¸ᙢ◫ᵨN×ÔÆ(kN•m)M=4.03007ØN•mdeᙠ₹ᵨNḄÙÅ᝞N6deᙠ₹ᵨNḄÚÛÜÙÝÞ᝞ßF⊤6ÚÛàáXᔣÜÙ(kN)YᔣÜÙ(kN)âãÜÙ(kN.m)nO-3.241——nl8.5128.065—n2-14.537——2ஹXYZᩞᱯឋ⌱Kdeᩞᧇåæ6ç-Q235⌱ᵨdeèᩞéê6100x60x4èᩞëG.:215N/mm2èᩞìឋîï6E=206000N/mm2Xðឋ6Ix=162.569cm4Yðឋ6Iy=72.2005cm4Xfñòᢙ6W=32.5137cm3xlXNñòᢙ6W=32.5137cm3x2Y§ñòᢙ6Wy[=24.0668cm3Yªñòᢙ6W=24.0668cm3y2èᩞô☢õ:A=12.16cm2èᩞÃ᪥᪶ᜐᢙøùú:t=4mmèᩞô☢☢õ6S=19.984cm3sᛛឋÓütᦪ6Y=L05.S47⚓.

48100x60x43ஹXYDE᪥᪶ýþ6?+gWfaAyXwBl:Zᜋ§ᑖ¨©61.2mBr:Zᜋªᑖ¨©61.2mHv:deÿGAkl:
ᜋᑖl.lkN/n?GAKr:
ᜋᑖl.lkN/n?
ᜋ₹GAklXBl+GAkrXBrGk=-------------j-------------1.1X1.2+1.1X1.2=2=1.32kN/mrG:᪀ᑖ⚗ᦪ1.3G:
ᜋ₹1.716kN/mf(N/mn?)A:ᩞ☢12.16cm?N1:ᩚ!ᨬᜧ$%&(kN)Ny:ᩚ!ᨬᜧ$'&(kN)Mmax:ᩚ!ᨬᜧ()(kN.m)Wz:☢*ᢙ)(cn?)Yᛛឋ./ᦪ1.0501ᨵ▲ᐗ5ᑮḄ8&᪥᪶ᦪ;⊤᝞>:@AN1NyMmaxWzAfzb07.2930.0004.03032.513712.16124.045bl8.0650.0004.03032.513712.16124.68001Z☢[\]ᩚ!blḄ8&ᨬᜧ]^124.6802N/mm2^fa=215N/mn?,ᡠ`a&bc⌕e.f48⚓.

494ஹXYḄ\E᪥᪶j;DfmaxWlDfmaxᨬᜧᐕnᢰ01ᨵ▲ᐗᑖ᪆5ᑮḄᢰp᝞>:ᢰᑖi᝞>⊤:ᑡ⊤ᩩs123456789tu(m)0.0000.5311.0621.5942.1252.6563.1883.7194.250ᢰ(mm)0.0003.1975.6786.9866.9535.6943.6111.3890.000tu(m)4.2504.3064.3624.4194.4754.5314.5874.6444.700ᢰ(mm)0.000-0.050-0.080-0.092-0.091-0.078-0.057-0.0300.000ᨬᜧᢰ.xᙠ1.859375mᜐ]ᨬᜧᢰ^7.137103mm—Hvmax______Dfmax=250425=X1000=17mmᨬᜧᢰUmax^:7.137103mmWl7mmᢰbc⌕e5ஹXYᢙF᪥᪶j;T^[T]=125N/mm2max01ᨵ▲ᐗᑖ᪆5ᑮḄ&p᝞>:&ᑖi᝞>⊤:ᑡ⊤ᩩs123456789tu(m)0.0000.5311.0621.5942.1252.6563.1883.7194.250&(kN)-3.241-2.194-1.147-0.0990.9481.9963.0434.0905.138tu(D1)4.2504.3064.3624.4194.4754.5314.5874.6444.700&(kN)-9.399-9.288-9.178-9.067-8.956-8.845-8.734-8.623-8.512ᨬᜧ&.xᙠ4.25mᜐT:᫣8&Q:᫣ᨬᜧ&9.399329kNS:ᩞ☢☢)19.984cn?sI:ᩞ☢ឋ)162.569cn?xt:ᢙ:4mmQXSX100sT=_ip

509.399329X19.984X100162.569X4=28.88561IN/mm228.88561lN/mm2^125N/mm2ᢙ[`bc.f50⚓.

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ᗩ○᩟▾ᓻᦋ⚗ᢥCᙢ(2).₹ᜋↈ᜜!᪀#$᪷&'()*᪀₹+-GB50009-20128.1.1-2.ᵨ₹01Wk=BgzXUXUXwslz0ᐸ3Wk-4ᵨᙠᜋ6Ḅ₹᪗89(kN/m?)B:;<=Ḅ▣?ᦪ᪷&ABCᙢD$ᢥEF01:Bgz=l+2gho(IJᐸ3gKL9MNOK2.5,110K10PQRSTUV,aKᙢ☢YZVᢣᦪACᙢI]o=O.12,a=0.12BCᙢho=O.14,a=0.15CCᙢIio=O.23,a=0.22DCᙢIio=O.39,a=0.30□z—QV]ᓄ?ᦪ$ᢥ'()*᪀₹+-GB50009-2012O_$᪷&ABCᙢD$ᢥEF01ACᙢu=1.284X(ᵨ"24ZBCᙢUz=L°°°X`CCᙢUz=0-544X`)bDCᙢUz=0262X`$஺defgCᙢ₹hD?ᦪ$ᢥ'()*᪀₹+-GB50009-2012O_wo--je$ᢥᐰljem$noᙢOK0.4kN/m2(3).ᙢ◫4ᵨqEAk=BEX01maxXGARᐸ3qEAk…qrᙢ◫4ᵨ᪗89.t53⚓.

54BE—wJxᜧ?ᦪ$ᢥ5.0O_amax—qrᙢ◫?ᦪᨬᜧ9$ᢥ■VO_6V(0.05g):a=0.04max7V(0.1g):a=0.08max7V(0.15g):a=0.12max8V(0.2g):a=0.16max8V(0.3g):a=0.24max9V(0.4g):amax=0.32noᙢ■VKV$᪷&eᙢḄ$ᦑOa=0.04maxGAK-ᜋ᪀#Ḅn(N/n?)(4).₹ᔠ:*᪀=$᪷&᪀#Jᱯ$₹ᡈ4ᵨḄ¡¢ḄJ(ᑁJ)4ᵨ¤ᔣ$⌱ᵨᨬAᑭḄᔠ$₹ᦔᔠ9ᢥF1.ᵨYGSG+©wªwSw+YE2ESE+YTTSTᔜ⚗ᑖK®¯₹nJ°]₹₹ஹ²V]ᓄᏔᯠ₹ᙢ◫₹4ᵨᦔᔠḄᑖ⚗?ᦪ$ᢥEF+_.ᵨজ¶®¯₹.ᵨ᪗894K·⊤9$ᐸᑖ⚗?ᦪ¹ºa.»ᐸᦔ¶*᪀Aᑭ=¶ᵫ°]₹ᦔ½ᑴḄᔠ$O1.3b.»ᐸᦔ¶*᪀ᨵᑭ=;ÁO1.0ঝ°]₹᪷&⌕Ä⌱·⊤9$ᐸᑖ⚗?ᦪ;ÁO1.5+ஹ₹-1ஹ.₹-᪗01Wk4ᵨᙠᜋ6Ḅ₹᪗89(kN/n?)z:QV10m%10mQᜐQV]ᓄ?ᦪ(ᢥC)(GB50009-2012ᩩᦻÏÐ8.2.1)u=0.544X(%/44=0.544ᵫ0.544<0.65,Ou=0.65zz11010PQRSTUV$¶AஹBஹCஹDᙢ☢YZV$ᑖO0.12ஹ0.14ஹ0.23ஹ0.39஺(GB50009-2012ᩩᦻÏÐ8.4.6)B”▣?ᦪ(GB50009-20128.1.1-2)Bgz=l+2XgXI]oX(ÜÝ=1+2X2.5X0.23X(Þᑠ)=2.15ᵫ2.15>2.05,OBgz=2.05□spiåæçhD?ᦪUsnlåæéhD?ᦪ$êëì_□sz()ᱥ⊤☢çhD?ᦪ$ᢥ᯿(GB50009-20128.3.3)O1□sf()ᱥ⊤☢éhD?ᦪ$ᢥ᯿(GB50009-2012833-2)O-2ᢥ᯿E6ðᑮUspl=lusnl=~2ç₹᪗89᝞F.t54⚓.

55wkp=PgzXpplxt$zxwo(GB50009-20128.1.1-2)S=2.05X1X0.65X0.4=0.533kN/m2é₹᪗89᝞FWkn=PgzXusnlXpzXW0(GB50009-20128.1.1-2)=2.05X(-2)X0.65X04=-1.066kN/m22ஹ.₹-1W:₹9:kN/n?YW₹4ᵨᦔḄᑖ⚗?ᦪ1.5Wp=©wXWkp=1.5X0.533=0.7995kN/m2Wn=ywXWkn=1.5X(-1.066)=-1,599kN/m23ஹ»₹-᪗01Sk:ô₹᪗89(kN/m?)SO:jeô,no50õ;⍗ᨬᜧ÷ôḄn:0kN/m2᪷&øùúú()*᪀₹+

GB50009-2012O9ur:û☢÷ôᑖü?ᦪK2᪷&஺()*᪀₹+

GB50009-2012017.1.1û☢ô₹ᢥF1Sk=UrXSO=2X0RkN/n?4ஹ»₹-1S:ô₹9(kN/n?)Ys:ô₹ᑖ⚗?ᦪK1.5ᢥ'ýþÿᜋᢈᧇ()⊤'3-1ᔜ₹ᑖ⚔ᦪ'ᵨS=ysXSk=1.5X0=0kN/m25ஹ¼L₹-1G:᪀₹(kN/n?)WGT:ᜋ☢!᪀"ᙳ"$%&0.5kN/m2GAK:᪀₹᪗((kN/n?)rg:ឤ₹ᑖ⚗ᦪ+1.3ᢥ-./0ᜋᢈᧇ()⊤'3-1ᔜ₹ᑖ⚔ᦪ'ᵨGAK=WGT=0.5kN/m2G=rgXGAK=13X0.5.255⚓.

56=0.65kN/m26ஹ½ᔣᙳÀᙢ◫6ᵨGK:5₹6⊤&7᪀(kN/n?)GK=GAK=0.5kN/m2avmax:8ᔣᙢ◫<=ᦪᨬᜧ:().O26qEVk:ᑖ@8ᔣᙢ◫Aᵨ᪗((kN/m?)qEVk=BEXavmaxXGK(JGJ102-20035.3.4)=5X0,026X0.5=0.065kN/m2rE:ᙢ◫Aᵨᑖ⚗ᦪB1.3qEAV:ᑖ@8ᔣᙢ◫Aᵨ(kN/n?)qEAV=rEXqEVk=1.3X0.065=0.0845kN/m27ஹ₹-;ᔠὃ⇋8ᔣEᔣ(ᔣF)₹Gᔠ+(ὃ⇋EᔣI₹ஹᙢ◫₹ஹK₹ஹ5₹):ὃ⇋I₹+M⌕Gᔠ₹ᦟSzkpw=GAK+Wkp+SkXP=0.5+0.533+0X0.7=1.033kN/m2Szpw=GAKXyG+WkpXyw+SkXysXi|>S+qEVkXyEXQE=0.5X1.3+0.533X1.5+0X1.5X0.7+0.065X1.3X0.5=1.49175kN/m2ὃ⇋RS₹+M⌕Gᔠ₹Szkpl=GAK+L+QwXWkp=0.5+0.5+0.6X0.533=1.3198kN/m2Szpl=GAKXyG+LXyl+WkpXyXi|>w+qEVkXyEXi|>Ew=0.5X1.3+0.5X1.5+0.533X1.5X0.6+0.065X1.3X0.5=1.92195kN/m2ὃ⇋RK₹+M⌕Gᔠ₹Szkps=GAK+Sk+TwXWkp=0.5+0+0.6X0.533=0.8198kN/m2Szps=GAKXyG+SkXys+WkpXywXipw+qEVkXyEXi|>E=0.5X1.3+0X1.5+0.533X1.5X0.6+0.065X1.3X0.5=1.17195kN/m2ᡠRVWEᔣ₹GᔠX&₹Gᔠ᪗(Szkp=1.3198kN/m2₹GᔠSzp=I.92195kN/m2.256⚓.

57ὃ⇋8ᔣYᔣ(ᔣZ)₹Gᔠ+(ὃ⇋YᔣI₹ஹ5₹)BSzkn=GAK+Wkn=0.5+(-1066)=-0.566kN/m2Szn=GKXyGf+WfXqw-qEVkXqEXi|>E=0.5XI+(-1.066)X1.5-0.065X1.3X0.5=-1.14125kN/m2|ᔠRZ}X&~VᨬᜧḄ₹}ᵨ₹Gᔠ᪗(+1.3198kN/m2₹Gᔠ+1.92195kN/m2=ஹÁ(·ᴻ1ஹ·ᴻ☢ÂB:ᜐᴻᜋᑖB1.2mH:ᜐᴻᜋᑖB1.6mA:ᜐᴻᙽ☢BA=BXH=1.2X1.6=1.92m22ஹ·ᴻCᙽ¼LGsAkBᜳᴻᙽ"ᙳ(ᒹ.᪾)BᴻḄ+B25.6(kN/n?)(JGJ102-20035.3.1)t|B᜜ᴻ8mmtBᑁᴻ8mm2_t|+t2GsAk=25.6X1£)_8+8=25.6X100G=0.4096kN/m23ஹ·ᴻDE⌱¥☢ᩞᧇ+B8(TP)+1.52+8(TP)ᜳᴻ᪥᪶«¬B஺Wfgq:ᴻᡠ¯Gᔠ₹B1.92195kN/m2Dh:ᴻ²³´ᑮᴻ¶Ḅ·¸:125mmDv:ᴻ²³´ᑮᴻ¶Ḅ·¸:125mma:ᴻ»¶¼ᥛ¾¿À·¸:0.95mb:ᴻ¶¼ᥛ¾¿À·¸B1.35mto:2᜜ᴻ:8mmti:2ᑁᴻ:8mmE:ᴻÄឋÆ%B72000N/mm2.257⚓.

58m:ᴻ☢ÈTÉÊᦪXᢥ¶ÂËa/bÌ⊤8.1.5-1WB0.138148nBᢚÎᦪX᪷¬Ðᦪ஺Ì⊤6.1.2-2ow:ᴻᡠ¯Ñ5Bq=1.92195kN/m*2₹ᑖØ}Bஹ,to3qo=qx^583=1.92195X^3=0.960975,ti3qi=qx^pQ3=1.92195X^5^=0.960975☢₹᪗(AᵨFᔜᴻᡠ¯Ḅ₹ᑖÛ+:qko=0.6599kN/m2qki=0.6599kN/m2Ðᦪ9}BqkoXa4*6**X109°°-EXto4(JGJ102-20038.1.5-4)0.6599X1.354X10972000X84=7.432258Ì⊤6.1.2-2Óno=0.980542qkiXa4xi()90i=4EXtiO.6599X1,354X1O972000X84=7.432258Ì⊤6.122Óni=0.980542ᴻᨬᜧÑ5}B6XmXqXb2X1000O0WO=-------------------xno(JGJ102-20038.1.5-3)6X0.138148Ö0.960975X1.352X1000=-----------------/----------------X0.980542=22.24140IN/mm26XmXqiXb2X1000owi=--------^2--------XHi6X0.138148X0.960975X1.352X1000=-----------------*----------------X0.980542=22.24140IN/mm222.241401N/mm2^fg=42N/mm222.24140IN/mm2^fg=42N/mm2.258⚓.

59ᴻḄÝÞ4ஹ·ᴻÄÅᢰE[35᪥᪶«¬:dfWdfHm=7^-X1000=22.5mmD:ᴻß(N•mm)vBᴻàáËB0.2E:ᴻÄឋÆ%:72000N/mm2te:ᜳᴻḄâᦔte=S/to5+ti5ᨴ+4=10.079368mmEXte3-------------12X(1-v2)72000Ö10.0793683=~12X(1-0.22)=6400000N•mmqk:ᴻᡠ¯Gᔠ₹᪗(:1.3198kN/m2åBᢰᦪXᢥ¶ÂËa/bÌ⊤8.152Ó:0.01637Ðᦪ9}B,ஹqkxF9-g4(JGJ102-20038.1.5-4)Xte1.3I98X1.35X-72000X10.0793684=5.898987nBᢚÎᦪX᪷¬Ðᦪ0Ì⊤6.122Ón=0.992808df:ᴻGᔠ₹᪗(AᵨFᢰᨬᜧUXqkXb4df=---------------Xn(JGJ102-20038.1.5-3)0.01637XI.3198X1.354஺=----------6400000----------X0.992808X1஺9=11.132355mm11.132355mm^dflim=22.5mmᴻḄᢰÝÞAஹÇi☢¹ÈᩚJ1ஹÇi☢¹Èi☢ᱯឋ1)ᩚᩞᧇèéê⌱¥ëìᩚᩞᧇíÛBî-Q235ïðëìᩚñ☢íò:óôTòî.259⚓.

60òᩞ:215N/mm2òᩞÄឋÆ%:E=206000N/mm2ñ☢Ḅᔜ⚗Ðᦪ᝞FBZö÷᝞B100mmZö÷øB8mmῳtbB10mmñ☢úûü᝞FBᩚýÂ+L:1.6mþñ☢³ᑖÂ+LB1.5mᩚÿῳhs80mmᩚ᪷ῳhe150mmᨵ▲ᐗᩚḄᑖᦪNwm302ᩚ☢ᱯឋᩚ☢Ḅᔜ⚗ᱯឋᦪ᝞Xឋk=92.162246cm”X!"ᢙW=40.162446cm3X1X"ᢙW=16.153899cm3x2$ᩞ☢&:A=15.2cm2᪥᪶ᜐᢙ+,-:t=10mm☢☢&S=16.275014cm3s3ᩚ᪷☢ᱯឋᩚ☢Ḅᔜ⚗ᱯឋᦪ᝞XឋIx=526.871838cn?X!"ᢙW=101.374197cm3xlX"ᢙW=53.74761cm3x2$ᩞ☢&:A=22.2cm2᪥᪶ᜐᢙ+,-:t=10mm☢☢&S=48.04649cm3s2ஹ/☢01₹314ᔠ₹36ᑖ7ᨬᜧ₹3:;<=>ᑖ7?Wk:4ᔠ₹3᪗A<1.3198kN/m2W:4ᔠ₹3;<L92195kN/m2Bl:01ᩚBᑖCD1.2mBr:01ᩚEᑖCD1.2mBl+Brqk=WkX21.2+1.2=1.3198X2=1.58376kN/mBl+Brq=WX2.G60⚓.

61=1.92195XP1Q2=2.30634kN/m(2)01ᩚᙠ₹3]ᵨḄ_:01`a₹3]ᵨbc᝞deᨵ▲ᐗᑖ᪆gᑮ01ᩚḄ_c᝞:01ᩚ_Mᑖ7᝞jF⊤ᑡ⊤ᩩo123456789pq(m)0.1500.1560.1630.1690.1750.1810.1880.1940.200_(kN.m)2.3992.3762.3522.3292.3062.2832.2602.2372.214pq(m)0.2000.2060.2130.2190.2250.2310.2380.2440.250_(kN.m)2.2142.1912.1682.1452.1222.0992.0762.0532.030pq(m)0.2500.2560.2630.2690.2750.2810.2880.2940.300_(kN.m)2.0302.0071.9831.9601.9371.9141.8911.8681.845pq(m)0.3000.3060.3130.3190.3250.3310.3380.3440.350_(kN.m)1.8451.8221.7991.7761.7531.7301.7071.6841.661pq(m)0.3500.3560.3630.3690.3750.3810.3880.3940.400_(kN.m)1.6611.6381.6141.5911.5681.5451.5221.4991.476pq(m)0.4000.4060.4130.4190.4250.4310.4380.4440.450_(kN.m)1.4761.4531.4301.4071.3841.3611.3381.3151.292pq(m)0.4500.4560.4630.4690.4750.4810.4880.4940.500_(kN.m)1.2921.2681.2451.2221.1991.1761.1531.1301.107pq(m)0.5000.5060.5120.5190.5250.5310.5380.5440.550_(kN.m)1.1071.0841.0611.0381.0150.9920.9690.9460.923pq(m)0.5500.5560.5630.5690.5750.5810.5880.5940.600_(kN.m)0.9230.8990.8760.8530.8300.8070.7840.7610.738pq(m)0.6000.6060.6130.6190.6250.6310.6380.6440.650_(kN.m)0.7380.7150.6920.6690.6460.6230.6000.5770.554pq(m)0.6500.6560.6630.6690.6750.6810.6880.6940.700_(kN.m)0.5540.5300.5070.4840.4610.4380.4150.3920.369pq(m)0.7000.7060.7130.7190.7250.7310.7380.7440.750_(kN.m)0.3690.3460.3230.3000.2770.2540.2310.2080.185pq(m)0.7500.7560.7620.7690.7750.7810.7880.7940.800_(kN.m)0.1850.1610.1380.1150.0920.0690.0460.0230.000pq(m)0.8000.8060.8130.8190.8250.8310.8380.8440.850_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)0.8500.8560.8630.8690.8750.8810.8870.8940.900_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)0.9000.9060.9130.9190.9250.9310.9380.9440.950_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)0.9500.9560.9630.9690.9750.9810.9880.9941.000.G61⚓.

62_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.0001.0061.0131.0191.0251.0311.0381.0441.050_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.0501.0561.0631.0691.0751.0811.0881.0941.100_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.1001.1061.1131.1191.1251.1311.1381.1441.150_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.1501.1561.1621.1691.1751.1811.1881.1941.200_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.2001.2061.2121.2191.2251.2311.2381.2441.250_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.2501.2561.2631.2691.2751.2811.2881.2941.300_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.3001.3061.3131.3191.3251.3311.3381.3441.350_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.3501.3561.3631.3691.3751.3811.3881.3941.400_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.4001.4061.4121.4191.4251.4311.4381.4441.450_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.4501.4561.4621.4691.4751.4811.4881.4941.500_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.5001.5061.5131.5191.5251.5311.5381.5441.550_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.5501.5561.5631.5691.5751.5811.5881.5941.600_(kN.m)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)0.0000.0120.0250.0380.0500.0630.0750.0880.100_(kN.m)2.9522.9062.8602.8142.7682.7212.6752.6292.583pq(m)0.1000.1060.1130.1190.1250.1310.1380.1440.150_(kN.m)2.5832.5602.5372.5142.4912.4682.4452.4222.399ᨬᜧ_rsᙠ0mᜐM:01ᩚᙠ4ᔠ₹3]ᵨts_(kN•m)M=2.952115kN•m01ᩚᙠ₹3]ᵨḄvwxyz{᝞⊤vw|}Xᔣxy(kN)Yᔣxy(kN)xy(kN.m)N10.0003.6902.9523ஹÇi☢¹ÈᩚJDE᪥᪶NM᪥᪶T+"TbWfa(JGJ102-20036.3.7)YAWN:0ᩚ᪷yay;<OkN஺:0ᩚ᪷(N/mn?).G62⚓.

63A:0ᩚ᪷$ᩞ☢&:22.2cm2M:0ᩚ᪷_:2.952115kN•mWx2:0ᩚ᪷☢"ᢙ:53.74761cm3Yᛛឋrᦪ1.05MX1()3o=----------------1.05XWx22.952115X103-1.05X53.74761=52.310015N/mm252.310015N/mm2fa=215N/mm20ᩚ᪷⌕0ᩚḄᔜᜐyc᝞ᨬᜧ¡yrsᙠ0mᜐ,ᨬᜧ¡y52.310015N/mm2,⌕4ஹÇi☢¹ÈᩚJFᑗDE᪥᪶᪥᪶tmax^[TJ=125N/mm2deᨵ▲ᐗᑖ᪆gᑮ0ᩚḄ+yc᝞ᩚ+yᑖ7᝞⊤:ᑡ⊤ᩩo123456789pq(m)0.1500.1560.1630.1690.1750.1810.1880.1940.200+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690pq(m)0.2000.2060.2130.2190.2250.2310.2380.2440.250+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690pq(m)0.2500.2560.2630.2690.2750.2810.2880.2940.300+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690pq(m)0.3000.3060.3130.3190.3250.3310.3380.3440.350+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690pq(m)0.3500.3560.3630.3690.3750.3810.3880.3940.400+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690pq(m)0.4000.4060.4130.4190.4250.4310.4380.4440.450+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690pq(m)0.4500.4560.4630.4690.4750.4810.4880.4940.500+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690pq(m)0.5000.5060.5120.5190.5250.5310.5380.5440.550+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690pq(m)0.5500.5560.5630.5690.5750.5810.5880.5940.600+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690pq(m)0.6000.6060.6130.6190.6250.6310.6380.6440.650+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690pq(m)0.6500.6560.6630.6690.6750.6810.6880.6940.700+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690.G63⚓.

64pq(m)0.7000.7060.7130.7190.7250.7310.7380.7440.750+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690pq(D1)0.7500.7560.7620.7690.7750.7810.7880.7940.800+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6900.000pq(m)0.8000.8060.8130.8190.8250.8310.8380.8440.850+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)0.8500.8560.8630.8690.8750.8810.8870.8940.900+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)0.9000.9060.9130.9190.9250.9310.9380.9440.950+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)0.9500.9560.9630.9690.9750.9810.9880.9941.000+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.0001.0061.0131.0191.0251.0311.0381.0441.050+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.0501.0561.0631.0691.0751.0811.0881.0941.100+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.1001.1061.1131.1191.1251.1311.1381.1441.150+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.1501.1561.1621.1691.1751.1811.1881.1941.200+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.2001.2061.2121.2191.2251.2311.2381.2441.250+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.2501.2561.2631.2691.2751.2811.2881.2941.300+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.3001.3061.3131.3191.3251.3311.3381.3441.350+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.3501.3561.3631.3691.3751.3811.3881.3941.400+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.4001.4061.4121.4191.4251.4311.4381.4441.450+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.4501.4561.4621.4691.4751.4811.4881.4941.500+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.5001.5061.5131.5191.5251.5311.5381.5441.550+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)1.5501.5561.5631.5691.5751.5811.5881.5941.600+y(kN)0.0000.0000.0000.0000.0000.0000.0000.0000.000pq(m)0.0000.0120.0250.0380.0500.0630.0750.0880.100+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690pq(m)0.1000.1060.1130.1190.1250.1310.1380.1440.150+y(kN)3.6903.6903.6903.6903.6903.6903.6903.6903.690ᨬᜧ+yrsᙠ0.5mᜐTᩚ᪷+y.G64⚓.

65Q:ᩚ᪷ᨬᜧ+y3.690144kNSs:ᩚ᪷$ᩞ☢☢&:48.04649cm3lx:ᩚ᪷$ᩞ☢ឋ:526.871838cm4Iᩚ᪷ᢙ+,-10mmQXSsX100T=----------------IxXt3.690144X48.04649X100526.871838X10=3.365116N/mm23.365116N/mm2^125N/mm20ᩚ᪷ᢙ+§¨0ᩚḄᔜᜐ+yc᝞ᨬᜧ+yrsᙠ0.75mᜐ,ᨬᜧ+y4.34086IN/mn?,⌕5ஹÇi☢¹ÈᩚJᢰE᪥᪶᪥᪶:UmaxW©Dfmax:ᩚᨬᜧᐕ«ᢰdeᨵ▲ᐗᑖ᪆gᑮᩚḄᢰc᝞ᩚᢰᑖ7᝞⊤:ᑡ⊤ᩩo123456789pq(D1)0.1500.1560.1630.1690.1750.1810.1880.1940.200ᢰ(mm)-0.020-0.021-0.023-0.025-0.027-0.029-0.031-0.033-0.035pq(m)0.2000.2060.2130.2190.2250.2310.2380.2440.250ᢰ(mm)-0.035-0.037-0.039-0.041-0.044-0.046-0.048-0.051-0.053pq(m)0.2500.2560.2630.2690.2750.2810.2880.2940.300ᢰ(mm)-0.053-0.056-0.059-0.061-0.064-0.067-0.070-0.073-0.076pq(m)0.3000.3060.3130.3190.3250.3310.3380.3440.350ᢰ(mm)-0.076-0.079-0.082-0.085-0.089-0.092-0.095-0.099-0.102pq(m)0.3500.3560.3630.3690.3750.3810.3880.3940.400ᢰ(mm)-0.102-0.106-0.109-0.113-0.116-0.120-0.124-0.128-0.132pq(m)0.4000.4060.4130.4190.4250.4310.4380.4440.450ᢰ(mm)-0.132-0.135-0.139-0.143-0.147-0.152-0.156-0.160-0.164pq(m)0.4500.4560.4630.4690.4750.4810.4880.4940.500ᢰ(mm)-0.164-0.168-0.173-0.177-0.181-0.186-0.190-0.195-0.200pq(m)0.5000.5060.5120.5190.5250.5310.5380.5440.550ᢰ(mm)-0.200-0.204-0.209-0.213-0.218-0.223-0.228-0.233-0.238pq(m)0.5500.5560.5630.5690.5750.5810.5880.5940.600ᢰ(mm)-0.238-0.242-0.247-0.252-0.257-0.262-0.268-0.273-0.278pq(m)0.6000.6060.6130.6190.6250.6310.6380.6440.650ᢰ(mm)-0.278-0.283-0.288-0.293-0.299-0.304-0.309-0.315-0.320.G65⚓.

66pq(m)0.6500.6560.6630.6690.6750.6810.6880.6940.700ᢰ(mm)-0.320-0.325-0.331-0.336-0.342-0.347-0.353-0.358-0.364pq(m)0.7000.7060.7130.7190.7250.7310.7380.7440.750ᢰ(mm)-0.364-0.369-0.375-0.380-0.386-0.391-0.397-0.403-0.408pq(m)0.7500.7560.7620.7690.7750.7810.7880.7940.800ᢰ(mm)-0.408-0.414-0.420-0.425-0.431-0.437-0.442-0.448-0.454pq(m)0.8000.8060.8130.8190.8250.8310.8380.8440.850ᢰ(mm)-0.454-0.459-0.465-0.471-0.476-0.482-0.488-0.493-0.499pq(m)0.8500.8560.8630.8690.8750.8810.8870.8940.900ᢰ(mm)-0.499-0.505-0.510-0.516-0.522-0.527-0.533-0.539-0.544pq(m)0.9000.9060.9130.9190.9250.9310.9380.9440.950ᢰ(mm)-0.544-0.550-0.556-0.561-0.567-0.573-0.578-0.584-0.590pq(m)0.9500.9560.9630.9690.9750.9810.9880.9941.000ᢰ(mm)-0.590-0.595-0.601-0.607-0.612-0.618-0.624-0.629-0.635pq(m)1.0001.0061.0131.0191.0251.0311.0381.0441.050ᢰ(mm)-0.635-0.641-0.646-0.652-0.658-0.663-0.669-0.675-0.681pq(m)1.0501.0561.0631.0691.0751.0811.0881.0941.100ᢰ(mm)-0.681-0.686-0.692-0.698-0.703-0.709-0.715-0.720-0.726pq(m)1.1001.1061.1131.1191.1251.1311.1381.1441.150ᢰ(mm)-0.726-0.732-0.737-0.743-0.749-0.754-0.760-0.766-0.771pq(m)1.1501.1561.1621.1691.1751.1811.1881.1941.200ᢰ(mm)-0.771-0.777-0.783-0.788-0.794-0.800-0.805-0.811-0.817pq(m)1.2001.2061.2121.2191.2251.2311.2381.2441.250ᢰ(mm)-0.817-0.822-0.828-0.834-0.839-0.845-0.851-0.856-0.862pq(m)1.2501.2561.2631.2691.2751.2811.2881.2941.300ᢰ(mm)-0.862-0.868-0.873-0.879-0.885-0.890-0.896-0.902-0.907pq(m)1.3001.3061.3131.3191.3251.3311.3381.3441.350ᢰ(mm)-0.907-0.913-0.919-0.924-0.930-0.936-0.941-0.947-0.953pq(m)1.3501.3561.3631.3691.3751.3811.3881.3941.400ᢰ(mm)-0.953-0.958-0.964-0.970-0.975-0.981-0.987-0.992-0.998pq(m)1.4001.4061.4121.4191.4251.4311.4381.4441.450ᢰ(mm)-0.998-1.004-1.009-1.015-1.021-1.026-1.032-1.038-1.044pq(m)1.4501.4561.4621.4691.4751.4811.4881.4941.500ᢰ(mm)-1.044-1.049-1.055-1.061-1.066-1.072-1.078-1.083-1.089pq(m)1.5001.5061.5131.5191.5251.5311.5381.5441.550ᢰ(mm)-1.089-1.095-1.100-1.106-1.112-1.117-1.123-1.129-1.134pq(m)1.5501.5561.5631.5691.5751.5811.5881.5941.600ᢰ(mm)-1.134-1.140-1.146-1.151-1.157-1.163-1.168-1.174-1.180pq(m)0.0000.0120.0250.0380.0500.0630.0750.0880.100ᢰ(mm)0.000-0.000-0.001-0.001-0.002-0.004-0.005-0.007-0.009pq(m)0.1000.1060.1130.1190.1250.1310.1380.1440.150ᢰ(mm)-0.009-0.010-0.011-0.013-0.014-0.015-0.017-0.018-0.020.G66⚓.

67ᨬᜧᢰrsᙠ1.6mᜐᨬᜧᢰ1.179634mm2LX1000Dfmax—-®j2X1.6X1000=250=12.8mmᩚᨬᜧᢰUmax1.179634mmW12.8mmᢰ⌕6ஹ¹ÈᩚJᙠËÅÌ₹-6ᵨMḄ᪥᪶01ᩚ`aḄ☢ᢥ᯿0.5kN/m2ὃ⇋:³´₹3ᢥ᯿Dµᔣ¶◞1¸j¹:³yIkNὃ⇋]ᵨº»1.6mᜐ஺₹34ᔠᢥ᯿1.3G+1.5Lὃ⇋஺01`a₹3]ᵨbc᝞deᨵ▲ᐗᑖ᪆gᑮ01ᩚḄ_c᝞:01ᩚ_¼½ᑖ7᝞⊤ᑡ⊤ᩩo123456789pq(m)0.0000.0120.0250.0380.0500.0630.0750.0880.100_(kN.m)3.8783.8403.8023.7643.7263.6883.6503.6123.574pq(m)0.1000.1060.1130.1190.1250.1310.1380.1440.150_(kN.m)3.5743.5553.5363.5163.4973.4783.4593.4403.421pq(m)0.1500.1560.1630.1690.1750.1810.1880.1940.200_(kN.m)3.4213.4023.3833.3643.3453.3263.3073.2883.269pq(m)0.2000.2060.2130.2190.2250.2310.2380.2440.250_(kN.m)3.2693.2503.2313.2123.1933.1743.1553.1353.116pq(m)0.2500.2560.2630.2690.2750.2810.2880.2940.300_(kN.m)3.1163.0973.0783.0593.0403.0213.0022.9832.964pq(m)0.3000.3060.3130.3190.3250.3310.3380.3440.350_(kN.m)2.9642.9452.9262.9072.8882.8692.8502.8312.812pq(m)0.3500.3560.3630.3690.3750.3810.3880.3940.400_(kN.m)2.8122.7932.7742.7542.7352.7162.6972.6782.659pq(m)0.4000.4060.4130.4190.4250.4310.4380.4440.450_(kN.m)2.6592.6402.6212.6022.5832.5642.5452.5262.507pq(m)0.4500.4560.4630.4690.4750.4810.4880.4940.500_(kN.m)2.5072.4882.4692.4502.4312.4122.3932.3732.354pq(m)0.5000.5060.5120.5190.5250.5310.5380.5440.550_(kN.m)2.3542.3352.3162.2972.2782.2592.2402.2212.202pq(m)0.5500.5560.5630.5690.5750.5810.5880.5940.600_(kN.m)2.2022.1832.1642.1452.1262.1072.0882.0692.050pq(m)0.6000.6060.6130.6190.6250.6310.6380.6440.650_(kN.m)2.0502.0312.0121.9921.9731.9541.9351.9161.897.G67⚓.

68pq(m)0.6500.6560.6630.6690.6750.6810.6880.6940.700_(kN.m)1.8971.8781.8591.8401.8211.8021.7831.7641.745pq(D1)0.7000.7060.7130.7190.7250.7310.7380.7440.750_(kN.m)1.7451.7261.7071.6881.6691.6501.6311.6111.592pq(m)0.7500.7560.7620.7690.7750.7810.7880.7940.800_(kN.m)1.5921.5731.5541.5351.5161.4971.4781.4591.440pq(m)0.8000.8060.8130.8190.8250.8310.8380.8440.850_(kN.m)1.4401.4291.4181.4061.3951.3841.3731.3611.350pq(m)0.8500.8560.8630.8690.8750.8810.8870.8940.900_(kN.m)1.3501.3391.3281.3161.3051.2941.2831.2711.260pq(m)0.9000.9060.9130.9190.9250.9310.9380.9440.950_(kN.m)1.2601.2491.2381.2261.2151.2041.1931.1811.170pq(m)0.9500.9560.9630.9690.9750.9810.9880.9941.000_(kN.m)1.1701.1591.1481.1361.1251.1141.1031.0911.080pq(m)1.0001.0061.0131.0191.0251.0311.0381.0441.050_(kN.m)1.0801.0691.0581.0461.0351.0241.0131.0010.990pq(m)1.0501.0561.0631.0691.0751.0811.0881.0941.100_(kN.m)0.9900.9790.9680.9560.9450.9340.9230.9110.900pq(m)1.1001.1061.1131.1191.1251.1311.1381.1441.150_(kN.m)0.9000.8890.8780.8660.8550.8440.8330.8210.810pq(m)1.1501.1561.1621.1691.1751.1811.1881.1941.200_(kN.m)0.8100.7990.7880.7760.7650.7540.7430.7310.720pq(m)1.2001.2061.2121.2191.2251.2311.2381.2441.250_(kN.m)0.7200.7090.6980.6860.6750.6640.6530.6410.630pq(m)1.2501.2561.2631.2691.2751.2811.2881.2941.300_(kN.m)0.6300.6190.6080.5960.5850.5740.5630.5510.540pq(m)1.3001.3061.3131.3191.3251.3311.3381.3441.350_(kN.m)0.5400.5290.5180.5060.4950.4840.4730.4610.450pq(m)1.3501.3561.3631.3691.3751.3811.3881.3941.400_(kN.m)0.4500.4390.4280.4160.4050.3940.3830.3710.360pq(m)1.4001.4061.4121.4191.4251.4311.4381.4441.450_(kN.m)0.3600.3490.3380.3260.3150.3040.2930.2810.270pq(m)1.4501.4561.4621.4691.4751.4811.4881.4941.500_(kN.m)0.2700.2590.2480.2360.2250.2140.2030.1910.180pq(m)1.5001.5061.5131.5191.5251.5311.5381.5441.550_(kN.m)0.1800.1690.1580.1460.1350.1240.1120.1010.090pq(m)1.5501.5561.5631.5691.5751.5811.5881.5941.600_(kN.m)0.0900.0790.0670.0560.0450.0340.0230.0110.000ᨬᜧ_rsᙠ0mᜐM:01ᩚᙠ4ᔠ₹3]ᵨts_(kN•m)M=3.8784kN•m0ᩚḄᔜᜐyc᝞.G68⚓.

69ᨬᜧ¡yrsᙠ0mᜐ,ᨬᜧ¡y68.723322N/mm2,⌕PஹfᔣᩚJ1ஹ⌱ᵨZᩞḄi☢ᱯឋ⌱¿ᩚᩞᧇÁÂÃ-Q235⌱ᵨᩚ$ᩞÄÅ:GB13793-WCজ40X3$ᩞ;<:215N/mn?$ᩞÇឋÈÉ:E=206000N/mnrXឋIx=6.00665cm"YឋIy=6.00665cm4X!"ᢙW=3.00332cm3xlX"ᢙW=3.00332cm3x2YB"ᢙW=3.00332cm3ylYE"ᢙWy2=3.OO332cm3$ᩞ☢&:A=3.487l7cm2$ᩞ᪥᪶ᜐᢙ+,-:t=3mm$ᩞ☢☢&S=2.058cm3sᛛឋrᦪY=1.052ஹᩚJDE(1)₹36ᑖ7ᨬᜧ₹3:;<(>ᑖ7)q₹36ᑖ7ᨬᜧ₹3:;<(kN/m)Bl:BᑖCD1.2mBr:EᑖCD1.2mBl+Brqk=WkX—r—1.2+1.2=1.3198X.G69⚓.

70=1.58376kN/mBl+Brq=WX21.2+1.2=1.92195X2=2.30634kN/mফ₹34ᔠᩚ⁚ÌÍᓫᐗ|}c᝞:ᩚᡠa4ᔠ₹3bc᝞বᩚ_deᨵ▲ᐗᑖ᪆gᑮᩚḄ_c᝞:ᩚ_ᑖÑ᝞⊤:ᑡ⊤ᩩo123456789pq(m)0.0000.1500.3000.4500.6000.7500.9001.0501.200_(kN.m)0.000-0.182-0.311-0.389-0.415-0.389-0.311-0.1820.000ᨬᜧ_rsᙠ0.6mᜐM:Òᜋᩚᙠ4ᔠ₹3]ᵨts_(kN-m)M=0.415141kN•mᩚᙠ₹3]ᵨḄvwxyz{᝞jF⊤vw|}Xᔣxy(kN)Yᔣxy(kN)xy(kN.m)N0—1.384—N10.0001.384—(4)᪥᪶77ÕÖfa(JGJ102-20036.2.4)yAw஺ᩚ(N/mn?)A:ᩚ$ᩞ☢&:3.48717cm2Wx:ᩚ☢"ᢙ3.00332cm3Yᛛឋrᦪ1.05MX1(Po-------------1.05XWx0.415141X103-1.05X3.00332=131.64517N/mm2131.64517N/mm2fa=215N/mm2ᩚ⌕3ஹᩚJFH᪥᪶ÕmaxW[T]=125N/mm2deᨵ▲ᐗᑖ᪆gᑮᩚḄ+yc᝞.G70⚓.

71ᩚ+yᑖ7᝞⊤:ᑡ⊤ᩩo123456789pq(m)0.0000.1500.3000.4500.6000.7500.9001.0501.200+y(kN)1.3841.0380.6920.3460.000-0.346-0.692-1.038-1.384ᨬᜧ+yrsᙠ1.2mᜐTᩚ+yQ:ᩚᨬᜧ+y1.383804kNSs:ᩚ$ᩞ☢☢&:2.058cm3lx:ᩚ$ᩞ☢ឋ:6.00665cm4I:ᩚᢙ+,-:3mmQXSsX100T=~kxt-1.383804X2.058X10஺=6.00665X3=15.803976N/mm215.803976N/mm2^125N/mm2ᩚᢙ+§¨4ஹᩚJ\E᪥᪶:Umax^250Dfmax:ᩚᨬᜧᐕ«ᢰdeᨵ▲ᐗᑖ᪆gᑮᩚḄᢰc᝞:ᩚᢰᑖ7᝞⊤:ᑡ⊤ᩩo123456789pq(m)0.0000.1500.3000.4500.6000.7500.9001.0501.200ᢰ(mm)0.000-1.342-2.462-3.199-3.456-3.199-2.462-1.3420.000ᨬᜧᢰrsᙠ0.6mᜐᨬᜧᢰ3.45584mmDfmax×ØX1000=^xiooo=4.8mmᩚᨬᜧᢰUmax:3.45584mmW4.8mmᢰ⌕.G71⚓.

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76ᦑVJd=Vsmax=922.536N¤Yå(!H"IV%x=ON,V&y=-3690.144N,VJd=3690.144N2)xyzẚêÓ᪷
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ef₹h=V5xi=0N,V%y|=-3690.144N,V?di=3690.144N4ஹ᪝q-H᪥᪶᪥᪶nNgWN(JGJ145-20136.2.1-5)dRdsᐸs:9᪝JstᨬᜧḄ9᪝ḄtQ᪷v☢xy7380.288NNRds?9᪝zᩞẚ|tQD:9᪝}=12mmA:9᪝~☢☢=84.29647Imn?sfyk?9᪝᪗QNRks?9᪝zᩞẚ|th᪗QYRS.N:9᪝zᩞẚ|thᑖ⚗ᦪᢥ⊤4.3.10ᵨfyk=450N/mm2NRksAsXfyk=84.296471X450=37933.411823N.76⚓.

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JK5Ḅ)89ᦪLMNOPQᡈNSᡈTḄPQU1VWᑖY5ᔜ[ᦪ\]^_`0=1.35Xd(8)Xh(B)xJ^XclL5(JGJ145-20136.2.19)ef=0.1x(%)>.5=0.07746a=0.1XB=1b=0.1X(d02=0.056968Vrkc0=1.35Xd(a>Xh(l)X^^Xcr-5ef=1.35X12007746X12O0056968XA/25X200,5=30401.036187NorA=4.5Xcl2(JGJ145-20136.1.17)cV=4.5X2(X)2=180000mm2eᜐghὃ⇋.kᵨᦑnẚᢗ)☢+opq(800X300)A=240000mm2cVO3Xc2*sV=0.7+(JGJ145-20136.1.19)1.5Xcly0.3X600z07+------------1.5X200ᢥ᯿}U1_".5XC1X1/2)hV=[h)(JGJ145-20136.1.20)_@ফ-I400J.082⚓.

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(JGJ145-20137.1.7)ᢥ᯿7.1.7}ë,ËÌ@◤⌕·¸᝞W⌕ºLdW10,ᨬ;ËÌ@⌕ᜧ60mm;Ld=12ᨬ;ËÌ@⌕ᜧ70mm;Ld=16ᨬ;ËÌ@⌕ᜧ80mm;Ld=20ᨬ;ËÌ@⌕ᜧ90mm;Ld224,ᨬ;ËÌ@⌕ᜧ4d;LMËÌ@N120mm·¸⌕ºí.085⚓.

86AᑖஹµDEUV¶ÏCᜋஹ1ஹ!"ᭆ$îïðñ:ᗩ○᩟õ▾ᓻøᦋ⚗úîïᡠᙠûü:ýüîïþÿᱥᡠᙠᙢᙢ☢:Cᡠᙠᙢᢙ◫■::0.4kN/m22ஹ#$᪗&'(᪗&$1*+⁐-./0᪗&1GB/T50378-20192*-.<᪀>☠ឋABC᪗&1GB50068-20183*-.EᴻGᐝ⚔ᢈK⌕M1JG/T231-20184*OPᩞR☢STUᦪWXYAWZ#⌕M1YS/T437-20185*-.]ᜋᢙ◫ឋ_`abcdeX1GB/T18575-20176*fᢞhEᴻ]ᜋᵨfᜳ1JG/T139-20177*Oᔠl-.Pᩞ!1mᑖoᩞ1GB/T5237.1-20178*Oᔠl-.Pᩞ!2mᑖo□᩽rᓄPᩞ1GB/T5237.2-20179*Oᔠl-.Pᩞ!3mᑖoᵯuvwPᩞ1GB/T5237.3-201710*Oᔠl-.Pᩞ!4mᑖoxyPᩞ1GB/T5237.4-201711*Oᔠl-.Pᩞ!5mᑖoxwPᩞ1GB/T5237.5-201712*Oᔠl-.Pᩞ!6mᑖo◞{Pᩞ1GB/T5237.6-201713*|<᪀A᪗&1GB50017-201714*}~ᵨZ᪝1JG/T160-201715*P|ᵨᢈK⌕M1GB/T6725-201716*}~ᵨ-.1JC/T881-201717*{P|1GB/T706-201618*hEᴻ]ᜋᢈK1CECS127-201619*Zឋ_┑1GB3098.5-201620*⛲ᵨOᛛᔠ1GB/T22412-201621*ᵨ-.{A1GB50176-201622*Zឋ_1GB/T3098.2-201523*-.]ᜋ☢ᑁ¢£ឋ_¤¥eX1GB/T18250-201524*-.Eᴻ¦ᵨᢈK1JGJ113-201525*-.ᱥ■§¨¤¥ᢈK1GB/T21431-201526*©ᐳ-.⁚_A᪗&1GB50189-201527*-.OᔠlPᩞᵨ¬⏒®◞{ᩩ1JG/T174-201428*Zឋ_°┤|᪝ஹ┑ஹ³1GB3098.6-2014.!86⚓.

8729*Zឋ_°┤|1GB3098.15-201430*-.OᔠlPᩞᵨ¬⏒®◞{ᩩ1JG/T174-201431*}~<᪀´ᢈK1JGJ145-201332*}~<᪀µA¶▬ᩩᦻ¹º»1GB50367-201333*¼½Eᴻᵨ¾ឋ1GB/T29755-201334*C¿ÀᵨOYOᔠlஹÁᩞ!1mᑖoC¿⌕M1GB/T3880.1-201235*¼½Eᴻ1GB/T11944-201236*-.◌Ãↈ¦ᵨᢈK1JGJ/T172-201237*-.<᪀₹Æ1GB50009-201238*C¿ÀᵨOYOᔠlஹÁᩞ!2mᑖoÇÈឋ_1GB/T3880.2-201239*C¿ÀᵨOYOᔠlஹÁᩞ!3mᑖoÉÊËÌ1GB/T3880.3-201240*-.ᵨÍ1JG/T330-201141*Îᢞ½Ï◌Ã1GB/T27972-201142*-.ᵨ◞{OᔠlPᩞ1JG175-201143*OᔠlÐÑᢈK1JGJ214-201044*-.ᢙ◫A1¶2016Ò᱐»GB50011-201045*}~<᪀A1¶2015᱐»GB50010-201046*-.ᑴÕ᪗&1GB/T50104-201047*Zឋ_᪝ஹ┑Ö³1GB3098.1-201048*-.Eᴻר1JG/T138-201049*Øᩞᵨ-.1GB/T23261-200950*ᜩᯠÛÜØ-.ᩞ1GB/T18601-200951*-.ᢙ◫µᢈK1JGJ/T116-200952*©ᐳ-.⁚_ᦋ⌼ᢈK1JGJ176-200953*◌Ã1GB/T23266-200954*Eᴻ1GB11614-200955*ᜳßEᴻ1GB15763.3-200956*-.ᵨàᐰEᴻ■âEᴻ1GB15763.1-200957*ã|ᓄEᴻ1GB/T17841-200858*Ὂ᎛<᪀|1GB/T4171-200859*-.᜜ÐÑçèឋ_ᑖéY¤¥eX1GB/T8484-200860*¼êᙢ◫⊤1GB/T17742-200861*OᔠlÐÑ1GB/T8478-200862*ìÃᵨíî|Y|Á1GB/T13790-200863*ᛛᧇÐÑᢈK1JGJ103-200864*¼½Eᴻð᝱Uó¶ô{õᦪ»ḄAWY¥÷1GB/T22476-200865*-.ÐÑEᴻ]ᜋ{AW1JGJ/T151-200866*°┤|ø1GB/T1220-200767*-.]ᜋ1GB/T21086-200768*Oᔠl<᪀A1GB50429-200769*ᵨ-._ὑᦪúGû᪗&1JGJ/T154-200770*-.᜜Ñüஹýஹᢙឋ_þÿ
JG/T211-200771┤ὊᓄᡂᑖGB/T20878-2007.!87⚓.

8872⚓!ᵨ#ᔠ%&ᩞYS/T621-200773(ᓫᐗ+,-ᜋJG/T216-200774+,-ᜋᵨ/0JG/T217-200775123ᴻᵨ5ᔠ678ᩩJC/T1022-200776:ᢞ⛲☢>ᩞᐸ%@ᢞAJC830•B830•2-200577ᓄ3ᴻGB15763.2-200578+,◞DEF᪗HGB/T50121-200579+,I᪀ᵨKLMNOJG/T178-2005803ᴻ-ᜋPQᢈSTJGJ102-200381%@V>ᩞ-ᜋPQᢈSTJGJ133-2001823ᴻ-ᜋPQWXY᪗HJGJ/T139-200183-ᜋ3ᴻZ[ᵨ678JC/T882-20013ஹ%&'((1).]ᙢ_`ᑜᑖb᪷dᙢ☢efgh]ᙢiᑜᑖjkl_`bA_mn☢hnohnphqprsᙢtuB_ᢣᵪxhy᩟h{᪍h}○kḄy╋uC_ᢣᨵ6+,ḄtuD_ᢣᨵ6+,Ḅtuᗩ○᩟▾ᓻᦋ⚗ᢥC_ᙢt(2).₹:-ᜋ@ↈ᜜¢£᪀Ah᪷d+,I᪀₹TGB50009-20128.1.1-2¤ᵨ₹¥¦bWk=BgzXUqXUxwzoᐸ1bw---§ᵨᙠ-ᜋ©Ḅ₹᪗Hª(kN/n?)kBm«¬Ḅ▣¯ᦪ᪷d±]ᙢ_²hᢥkl¥¦:Bgz=l+2glio(´µᐸ1gj¶ª·¸¹j2.5,110j10º»¼½¾g,ajᙢ☢efgᢣᦪA_]ᙢbI]o=O.12,a=0.12B_]ᙢbI]o=O.14,a=0.15C_]ᙢbIio=O.23,a=0.22D_]ᙢbI]o=O.39,a=0.30Uz-gÀᓄ¯ᦪhᢥ+,I᪀₹TGB50009-2012¹Áh᪷d±]ᙢ_²hᢥkl¥¦bA_]ᙢbHz=1284¼(ÂJ஺”B_]ᙢbU=1.000X(ᶇ“'3°zC_]ᙢbR=0.544X(Â))’44zD_]ᙢbH=0.262X(ᘤ)஺6°z.Ì88⚓.

89ÍPQ@C_ᙢt1*Ð-₹Ѳ¯ᦪhᢥ+,I᪀₹TGB50009-2012¹Áwo—×ÍhᢥᐰÙ×ÍÚhÛÜᙢt¹j0.4kN/m2(3).ᙢ◫§ᵨbqEAk=BEX°max¼GAI<ᐸ1bqEAk-êëᙢ◫§ᵨ᪗HªBE—ìµíᜧ¯ᦪhᢥ5.0¹Áamax—êëᙢ◫ïð¯ᦪᨬᜧªhᢥòóô■ög¹Áb6g(0.05g):a=0.04max7g(0.1g)bamax=0O87g(0.15g):a=0.12max8g(0.2g):a-0.16max8g(0.3g):a=0.24max9g(0.4g):a-0.32maxÛÜᙢtô■ögjúgh᪷dÍᙢtḄûühᦑ¹஺max=0-04GA)--ᜋ᪀AḄþÛ(N/n?)(4).₹ᔠ᪀᪷᪀ᱯ₹ᡈᵨḄḄ!(ᑁ)ᵨ#ᔣ⌱ᵨᨬ'ᑭḄᔠ₹ᦔ!ᔠ*ᢥ,-.ᵨyGSG+YW஺wSw+YE8ESE+YT*TSTᔜ⚗ᑖ>?@A₹BCDE₹F₹ஹHIEᓄCᏔᯠ₹ᙢ◫₹ᵨᦔ!ᔠḄᑖ⚗OᦪᢥQ,RS.ᵨজU@A₹.ᵨ᪗W*?X⊤*ᐸᑖ⚗Oᦪ[\a.^ᐸᦔ!U᪀'ᑭUᵫDE₹ᦔ!`ᑴḄᔠb1.3b.^ᐸᦔ!U᪀ᨵᑭghb1.0CঝDE₹᪷⌕l⌱X⊤*ᐸᑖ⚗OᦪghbL5+ஹ₹-1ஹ.₹-᪗01WkᵨᙠqᜋsḄF₹᪗W*(kN/n?)z:yzI14.6mH:14.6mzᜐFzIEᓄOᦪ(ᢥCy)(GB50009-2012ᩩᦻ8.2.1)z7U=0.544X(77C)0-44=0.642561ᵫ0.642561<0.65,u=0.6511010zIU!AஹBஹCஹDᙢ☢Iᑖ>b0.12ஹ0.14ஹ0.23ஹ0.39஺(GB50009-2012ᩩᦻ8.4.6)6▣FOᦪ*Bgz=l+2XgXI]oX(¥146=1+2X2.5X0.23X(¦)(g022)=2.058133ᵫ2.058133>2.05,bB„=2.05□spi®¯F°±Oᦪ.²89⚓.

90Usnl®´F°±Oᦪµ¶y·S%z¹ºᱥ⊤☢¯°±Oᦪᢥ᯿(GB50009-20128.3.3)b1%f¹ºᱥ⊤☢´°±Oᦪᢥ᯿(GB50009-2012833-2)b-1U¾¿-¹ºᱥὃ⇋ᑁ⊤☢b-0.2ᡈ0.2AvÃÄ᪀ÅÆ☢Çb2.585n?È᫡᪀ÅÆ☢Çb0.66m2UsaÊË᪀☢ÌḄ®°±Oᦪ□slzisz+S2=L2usirysr°-2=-1-2ÊË᪀ÅÆ☢ÇᜧᡈÐ25m2Ḅ°±OᦪyU=MX0.8+0.2=1(GB50009-20128.3.4)S25ZSZu=uX0.8-0.2--l(GB50009-20128.3.4)s25fsfUÑÒÓ₹Ḅ☢ÌÔÕ'◤ᢚØᨵ□saz"2ysar-1-2Ú᪵bÃÄ☢ÇUᦪÜឋÞ*yßᑮIog(A)vUsavz=usz+(uSZXOS-U)X-+0.2sz0.412461“=l+(0.8-l)X-^+0.2=1.141077log(A)vUsavf=us#(UsfX0.8-Psf)X-j^--0.2=-l+((-0.8)-(-1))X-0.2=-1.141077ᢥ᯿QsyßᑮU☢Ìᨵ“spl=L2□snl=L2UÃÄᨵy=1.141077svplP=-1.141077svnlUÈ᫡ᨵ□shpl=L2pshnl=L2☢̯FF₹᪗W*y᝞,Wkp=BgzX%plX%XW஺(GB50009-20128.1.1-2)=2.05X1.2X0.65X0.4=0.6396kN/m2W<%nlXUz>

91=-0.6396kN/m2W>-1kN/n?,bWkn=-1kN/m2knÚ᪵ÃįFF₹᪗W*y᝞,Wkvp=BgzX%vplX%XW஺(GB50009-20I28.1.1-2)=2.05X1.141077X0.65X0.4=0.608194kN/m2Wkvp<1kN/nf,bWkvp=1kN/m2ÃÄ´FF₹᪗W*y᝞,Wkvn=BgzX%vnlX%XWo(GB50009-20128.1.1-2)=-0.608194kN/m2W>-1kN/m2,bWkvn=1kN/m2kvnÚ᪵È᫡¯FF₹᪗W*y᝞,Wkhp=BgzXUshplXUzXW஺(GB50009-20128.1.1-2)=0.6396kN/m2Wkhp<1kN/nf,bWkhp=1kN/m2È᫡´FF₹᪗W*y᝞,Wkhn=BgzXUshnlXUzXWo(GB50009-20128.1.1-2)=-0.6396kN/m2W>-1kN/rr?,bWkhn=1kN/m2khn^êqᜋᢙFÐì?1ì2ஹ.₹-1W:F₹*:kN/m2Yw:F₹ᵨᦔ!Ḅᑖ⚗OᦪL5☢ÌF₹ᵨyW=yXW=1.5Xl=1.5kN/m2pwkpW=yXW=1.5X(-l)=-1.5kN/m2nwknÃÄF₹ᵨyW=yXW=1.5Xl=1.5kN/m2vpwkvpW=yXW=1.5X(-l)=-1.5kN/m2vnwkvnÈ᫡F₹ᵨyWhp=YwXW=1.5Xl=1.5kN/m2khpWhn=YwXW=1.5X(-l)=-1.5kN/m2khn3ஹ23ᙢ◫6ᵨG:☢ÌíBîbOJkN/m?Akañíᙢ◫òóOᦪᨬᜧ*004maxq:ᑖõñíᙢ◫ᵨ᪗W*(kN/n?)Ekq=BEXamaxXG=5X0.04X0.3=0.06kN/m2EkAkYE:ᙢ◫ᵨᑖ⚗OᦪL3qᑖõñíᙢ◫ᵨ*(kN/n?)EAq=YEXqEk=1-3x0.06=0.078kN/m2EA.²91⚓.

924ஹ₹-;ᔠqᜋÓḄ₹ᵨᔠyᢥ᯿Rὃ⇋¯Fஹᙢ◫₹ᔠSzkp=Wkp=lkN/m2Szp=WkpXYw+QEkXYE*3E=1X1.5+0.06X1,3X0.5=1.539kN/m2ὃ⇋´Fஹᙢ◫₹ᔠSzkn=Wkn=økN/m2Szn=WknXùw-clEkXYEXE=-1X1.5-0.06X1.3X0.5=-1.539kN/m2ûᔠQsybüU*ᨬᜧḄ₹ýþÿ
ᵨ☢₹ᔠ᪗IkN/m2☢₹ᔠ1.539kN/m2₹᪗IkN/m2!᫡₹᪗IkN/m2=ஹ2>ឋᢣ᪗11ஹ2>ឋ᪷$%&'(ᜋ*GB/T21086-20075.121⌕5,78ឋ:ᢣ᪗<ᢥ᯿᝞@ABCDEFGIIIAIIVAᙢLEᓽNOPIQRSᙢLE78ឋ:ᢣ᪗Pᢥ᯿@☢UVWP=1000XuXuX«GB/T21086-20075.1.2.1zc0z:_14.6m%W14.6m_ᜐc_dᓄfᦪ(ᢥCjL)W(GB50009-2012ᩩᦻno8.2.1)n=0.544X(^)0-44=0.642561ᵫG0.642561<0.65,su=0.65u:tfᦪEus1.2c30:vwxᙢLyzcEs0.4kN/m2,vwxᙢLᡠ|}᎛LHIBj}᎛ᡠᨵWP=1000XuXuX30zc=1000X0.65X1.2X0.4=312PaᵫGᙢLᡠ|}᎛LBj}᎛E᪷$GB"21086-20075.1.2.1(b)DE▭78ឋ:ᢥ᯿VḄ75%EᓽPX0.75=234PaA'ᓫÏCDE1ஹ☢C₹-B:ᜐ(ᜋᑖW1.1mH:ᜐ(ᜋᑖ_:0.6m.92⚓.

93A:ᜐ☢WA=BXH=1.1X0.6=0.66m27₹ᦟWS=1.539kN/m2z7₹᪗WSzk=lkN/m22ஹÏCDE⌱D☢ᩞᧇ:-3003-H22᪥᪶$W0-E-¡¥L-%f=66.1N/mm2aᢰ᪥᪶$W◤L1UU¨©ª᪀¬®ᙽ°±ᦪ$⊤³ᵨḄᔜ⚗¶ᐵ¸ᦪ®¹¡E:»ឋ¼½:70()00N/mm2v:¿ÀÁ:0.3t:Ã:2.5mmD:ÅÆÇWEXt3D=--------2T-12X(l-v)70000X2.53-12X(l-0.32)=100160.25641S:ᔠ₹W1.539kN/m2zSzkWᔠ₹᪗IkN/m2fXSXa4XqzkᢰUV:U=Da:ᑖÉÊÊËb:ᑖËÊÊËSXa4¸ᦪÌ7kG0:n:ᢚÏfᦪᢥeÑ⊤ÒᑮmWÅÔfᦪEᢥÉÊÕËÊḄÊËÁÑ⊤ÒᑮfWᢰfᦪEᢥÉÊÕËÊḄÊËÑ⊤ÒᑮU:ᢰWWᢰÕÉÊÁd☢᪥᪶⊤°±jØa(mm)b(mm)0nm0(N/mmJ)fU(mm)U/a1B300.01100.02.9621.0000.121216.1160.005040.4080.001362B300.01100.02.9621.0000.121216.1160.005040.4080.00136noW/W⛸ÛÜᔠḄᦪ$Ý⁐᪗o.93⚓.

94ßà⌕5ᢰßà⌕53ஹÑDÒDE(1)¨©ᙠᔠ₹âᵨ@Ḅᑁtä:¨©ᑁtᦪ$ᑡ⊤᝞@:°±ᑡ⊤ᩩæ12345678910çè(m)0.0000.1100.2200.3850.4950.6050.7150.8800.9901.100ÅÔ(kN.m)0.0000.0230.0410.0600.0650.0650.0600.0410.0230.0001ét(kN)0.2120.1940.1470.0740.025-0.025-0.074-0.147-0.194-0.212ᢰ(mm)0.000-0.020-0.038-0.057-0.063-0.063-0.057-0.038-0.0200.000ফ¨©ë☢Ex:¨©Øᩞ»ឋ¼½70000N/mm2XìíឋÔ:Ix=120cm4YìíឋÔWIy=120cm4Xì@îïᢙÔ:Wxl=34cn?Øᩞë☢☢ÔWSs=12cm3Øᩞ᪥᪶ᜐñÃ:t=4mm(3)¨©᪥᪶W᪥᪶$:M/y/wWfaét᪥᪶$WTmax^[T]=49.6N/mm2ᢰ᪥᪶$WUWL/300¨©᪥᪶⊤°ËÅÔ(kN.m)ét(kN)ᢰ(mm)±(m)ᨬᜧôõ(m)o(N/mm2)ᨬᜧôõ(m)T(N/mm2)ᨬᜧôõ(m)D/Len11.1000.0660.5501.8410.2120.0000.5290.0640.5500.00006noWÛÜᔠḄᦪ$Ý⁐᪗o¨©ßà⌕5¨©ᢰßà⌕54ஹkṹᢙFDE᪥᪶B:ᓫᐗø1.1mH:ᓫᐗø_0.6mBnumW!ᔣúṹᦪ2HnumWüᔣúṹᦪ2tjWúṹØᩞñÃ5mmmLj:úṹË50mmm.94⚓.

95S:(ᜋ☢ᡠᔠ₹1.539kN/n?zP:ýþúṹḄéᑗ(kN)SXHXBZ2X(B+H)numnum1.539X0.6XL1=~2*(2+2)-=0.126967kN
ṹᢙ(N/mm?)1.5XPT-hXL-ljm1.5X1000X0026967=5X50=0.761805N/mm222T=0.761805N/mm^49.6N/mmṹᑗ⌕5ஹÓ┑ᢙDEP:ṹḄ0.126967kNMnumṹḄᑴ┑ᦪ3D:┑5mm:"ᔠ$┑-10mdN:%&42.3225NmdNmd=42.3225NW1185N'┑ᢙ⌕PஹXY1ஹXY₹-(1)(₹*+ᑖ-ᨬᜧ₹*01(34ᑖ-)q(₹*+ᑖ-ᨬᜧ₹*01(kN/m)wr:(₹*6ᵨᦔḄᑖ⚗:ᦪ1.5wW:(₹*᪗<1IkN/n?kB|=ᜋ?ᑖ@A:0.55mB:=ᜋBᑖ@A:0.55mrB]+Brqk=wkx^ߟW…0.55+0.55=1X-5-=0.55kN/mqw=L5Xqwk=1.5X0.55=0.825kN/m(2)ᑖ-CDᙢ◫6ᵨ1.H95⚓.

96G(:NO?P=ᜋ᪀R(ᒹT☢VW᪾)ḄDᙳZ[:0.4kN/nrAkGA"NOBP=ᜋ᪀R(ᒹT☢VW᪾)ḄDᙳZ[:0.4kN/m2qAkl=5XaXG(JGJ102-20035.3.4)EmaxAkl=5X0.04X0.4=0.08kN/m2QEAkr5XamaxXGAkr(JGJ102-20035.3.4)=5X0.04X0.4=0.08kN/m2qEklXB]+qEkrXBrClek=20.08X0.55+0.08X0.55=2=0.044kN/mq=1.3Xqcek=1.3X0.044=0.0572kN/m(3)NO₹*yᔠNOᡠyᔠ₹*᪗<1&q=q=0.55kN/mkwkNOᡠyᔠ₹*1&qFw+^EXqe=0.825+0.5X0.0572=0.8536kN/mNO᝞(4)NO3ᨵ▲ᐗᑖ᪆ᑮNOḄ3᝞:NO3ᑖ-᝞⊤:ᑡ⊤ᩩ123456789(m)0.0000.2000.4000.6000.8001.0001.2001.4001.6003(kN.m)0.0000.0830.1310.1450.1250.071-0.017-0.139-0.296(m)1.6001.8502.1002.3502.6002.8503.1003.3503.6003(kN.m)-0.296-0.1000.0420.1310.1660.1480.077-0.048-0.226(m)3.6003.7383.8754.0134.1504.2884.4254.5634.7003(kN.m)-0.226-0.141-0.072-0.0200.0160.0360.0400.0280.000ᨬᜧ3ᙠ1.6mᜐM:=ᜋNOᙠ(₹*Wᙢ◫6ᵨ3(kN•m)M=0.295805kN•mNOᙠ₹*6ᵨḄ᝞NOᙠ₹*6ᵨḄ᝞⊤.H96⚓.

97¡Xᔣ(kN)Yᔣ(kN)£(kN.m)n0-0.498——nl-0.2641.344—n2-1.756——n3-1.493——2ஹXYZᩞᱯឋ⌱¥NOᩞᧇ¨©ª-Q235⌱ᵨNOᩞ«¬:L50X4ᩞ1:215N/mm2ᩞឋ¯°:E=206000N/mm2X±ឋ3k=9.25733cm4Y±ឋ3Iy=9.25733cn?X²³ᢙ3W-2.55787cm3X1X²³ᢙ3W=6.70408cm3x2Y?²³ᢙ3W6.70408cm3yrYB²³ᢙ3W=2.55787cm3y2ᩞ´☢µ:A=3.89729cm?ᩞ᪥᪶ᜐᢙ¸¹:t=4mmᩞ´☢☢µ3S=2.60596cm3sᛛឋ»:ᦪ¼=1.05—L50X43ஹXYDE᪥᪶½¾T+-'faAyXwBl:=ᜋ?ᑖ@A0.55mBr:=ᜋBᑖ@A0.55mHv:NO¿GAkl:=ᜋ?ᑖ@Z[:0.4kN/n?.H97⚓.

98GAKr:=ᜋBᑖ@Z[:0.4kN/m2=ᜋZ[+₹*GAklXBl+GAkrXBrGk=-------------2-------------0.4X0.55+0.4X0.552=0.22kN/mrG:À᪀Z[ᑖ⚗:ᦪ1.3G:=ᜋZ[+₹*10.286kN/mfNO(N/mn?)A:NOᩞ´☢µ:3.89729cm2N1:ÁÂᩚRᨬᜧ(kN)Ny:ÁÂᩚRᨬᜧÄ(kN)Mmax:ÁÂᩚRᨬᜧ3(kN.m)Wz:NO´☢³ᢙ3(cn?)Yᛛឋ»:ᦪ1.05NOᨵ▲ᐗᑮḄ᪥᪶ᦪ¾⊤@᝞:¡N1NyMmaxWzAfzb00.4580.0000.2962.557873.89729111.312bl1.0300.0000.2962.557873.89729112.780b21.3440.0000.2262.557873.8972987.502☢%ÊNOᩚRblḄᨬᜧ&112.779883N/mm2

99=250*1=8mmNOᨬᜧᢰUmax&1.606242mmW8mmᢰ⌕5ஹXYᢙF᪥᪶½¾tmaxW[T]=125N/mm2ᨵ▲ᐗᑖ᪆ᑮNOḄ᝞:NOᑖ-᝞⊤:ᑡ⊤ᩩ123456789(m)0.0000.2000.4000.6000.8001.0001.2001.4001.600(kN)-0.498-0.327-0.1570.0140.1850.3560.5260.6970.868(m)1.6001.8502.1002.3502.6002.8503.1003.3503.600(kN)-0.889-0.675-0.462-0.248-0.0350.1780.3920.6050.819(m)3.6003.7383.8754.0134.1504.2884.4254.5634.700(kN)-0.675-0.557-0.440-0.323-0.205-0.0880.0300.1470.264ᨬᜧᙠ16nᜐTN᫣Q:N᫣ᨬᜧ0.888629kNS:NOᩞ´☢☢µ3:2.60596cm3sI:NOᩞ´☢±ឋ3:9.25733cm4xt:NOᢙ¸¹:4mmQXSX100sT=_ip

100X²³ᢙ3W=2.55787cm3xlX²³ᢙ3W=6.70408cm3x2Y?²³ᢙ3Wy1=6.7040801?YB²³ᢙ3Wy2=2.55787cn?ᩞ´☢µ:A=3.89729cm2ᩞ᪥᪶ᜐᢙ¸¹:t=4mmᩞ´☢ÖX☢µ3S=2.60596cm3sᩞ´☢ÖY☢µ3S=2.60596cm3syᛛឋ»:ᦪy=1.052ஹf᫡ḄDEMxMv᪥᪶½¾¼xw+¼*
$=215(JGJ102-20036.2.4)(1)Ô᫡ᙠZ[6ᵨḄ3(kN-m)H:=ᜋᑖ@Ù:0.6mhB:=ᜋᑖ@A1.1mhG:Ô᫡²☢VZ[:OHkN/m?AkhuG:Ô᫡²☢VZ[:OMkN/m?AkhdG:Ô᫡Z[₹*+ᑖ-ᙳ-₹*0᪗<1(kN/m):hkG=0.4XHhkh=04X0.6=0.24kN/mG:Ô᫡Z[₹*+ᑖ-ᙳ-₹*01(kN/m)hGh=YGXGhk=1.3X0.24=0.312kN/mÔ᫡Ú²[₹*&G=|xGXBrhhh.H100⚓.

101=2X0.312X1.1=0.1716kNM:Ô᫡ᙠZ[₹*6ᵨḄ3(kN•m)hg1Mg=8>

102=1.552Xí=0.4656kN/myᔠ₹*6ᵨḄ+₹*᪗<1&:HhuQuk=(lAkX=1Xí=0.3kN/mqdk=qAkXï=1X=0.3kN/mM:Ô᫡ᙠyᔠ₹*6ᵨḄ3(kN•m)hMhu±XqXB2X(3-(ðjuh=5^X0.4656X1.12X(3-(ñJ)=0.063438kN•mX0.4656X1.12X(3-(ò»=0.063438kN•mMh=Mhu+Mhd=0.063438+0.063438=0.126876kN.m(4)Ô᫡஺:Ô᫡(N/mn?):W:X³ᢙ3:2.55787cm3x2Wy2y³ᢙ3:2.55787cm3Yᛛឋ»:ᦪ1.05(0.047190.126876A\1.05X2.55787+1.05X2.55787)*=64.81062IN/mm264.81062IN/mm2Wfa=215N/mm2Ô᫡õ⌕.H102⚓.

1033ஹf᫡Ḅ\E᪥᪶½¾UmaxW÷ø[6ᵨUgmaxWᯅ,UgmaxW3mmÔ᫡ᑖ-+₹*6ᵨûḄᨬᜧ₹*0qÔ᫡²☢Vᡠyᔠ₹*᪗<1&0.3kN/mkuqÔ᫡²☢Vᡠyᔠ₹*᪗<1&0.3kN/mkdU:Ô᫡²CDüᔣᵫyᔠ₹*Ḅþhu0.3X1.”
5Xᑴ2+248=206000X9.25733X240Xয=0.265272mmU:᫡!ᔣᵫ$ᔠ₹'()Ḅ+,-hdqkdXBjX2
5x4>2x67Uhd=EXIX240y0.3X;<ᗗ
5X>”■X10206000X9.25733X2401=0.265272mmu:DEFᵨ()Ḅ+,-hg5XGXB4X108hkh%=-384XEXIx5X0.24X1.14x18K384X206000X9.25733=0.239921mm<3mmMᔠ()Ḅ+,N-UW+Uhd=0.265272+0.265272=0.530544mmD=—uBX1000h0.530544==1.1X1000=0.000482<1/250%D=a&BhX1000.T103⚓.

104_0.239921=1.1X1000=0.000218W1/500ᢰWXY⌕[4ஹf᫡ḄᢙFDE᪥᪶^_-T^125N/mm2max(DQ-$ᔠ₹'Fᵨ᫡`abcd(kN)q-᫡e$ᔠ₹'f₹'ᨬᜧd:0.4656kN/muq-᫡$ᔠ₹'f₹'ᨬᜧd:0.4656kN/mdB:iᜋᑖlm-1.1mh◤⌕ᑖocp᫡eᑖ☢rḄ$ᔠ₹'ᡠ()Ḅ`abcd᫡e$ᔠ₹'fᑖtᕈvwᑖt᫡$ᔠ₹'fᑖtᕈvwᑖtBhHhuQu=/*7x(i-y)=0.4656X{X(1-aJ)1.1AZ=0.18624kNBhHhdQdFdX|X(1.})=0.4656X{X(1-1.1AZ=0.18624kN(2)Q:᫡ᡠ~`a-Q=Qu+Qd=0.18624+0.18624=0.37248kN(3)T:᫡`aS:᫡ᩞ☢☢:2.60596cm3syI:᫡ᩞ☢ឋ:9.25733cm4yt:᫡ᢙ`:4mmQXSX100svTh=-----FTT------(JGJ102-20036.2.5-2)lyXt0.37248X2.60596X1009.25733X4=2.62135N/mnrGXSX100rhsT7-----0——(JGJ102-20036.2.5-2)=1.207645N/mm2.T104⚓.

105T=(-\/Th2+Tv2)=2.886153N/mm22.886153N/mm2W125N/mm2᫡ᢙ`WXY⌕[^ஹf᫡cdnoDE1ஹcdno%&UVV:FᵨḄ!ᔣ`a:0.37248kNxV:FᵨḄ!ᔣ`a:0.1716kNyL:~!ᔣ`aḄW50mmxL:~!ᔣ`aḄW50mmyMx-!ᔣ+OkN.mMy-!ᔣ+OkN.mhf-ḄN4mmḄ☢ᱯឋ᝞-X£ឋ-Ix=120cn?Y£ឋ-&=120cm4X£e©ᢙ-W=34cm3xlX£©ᢙ-W=34cm3x2Y£«©ᢙ-Wyi=34cm3Y£©ᢙ-Wy2=34cn)3☢☢:A=10cm22ஹnoDE1).cp¯ᦪ±²Pf-´☢()ḄWbcµᜧ¶ᦪ·¸~☟a₹'º»¼~½a₹'Ḅ¾᪀À1.22Á¸¼~½a₹'Ḅ¾᪀À1.0fÁ-ḄWbcdÀ160N/mm22).`acp`acpAfx-!ᔣ~`aḄ☢A=LXhX0.7fxxf=50X4X0.7=140mm2_0.37248X1000140=2.66057IN/mm2`acp.T105⚓.

106A:!ᔣ~`aḄ☢fyA=LyXhfXO.7fy=50X4X0.7=140mm2_0.1716X1000=140=1.225714N/mm23).+Fᵨ()Ḅ´acpM0------x--
BfXWy_0X1000=1.22X34=ON/mm2_My°wy=pXWfx_0X1000=1.22X34=ON/mm24).$ᔠacpᙠ+ஹ`aᐳÉFᵨḄ$ᔠaÊp᝞-஺=4(஺wx+஺wy)2+(TX?+Ty2)=^/(O+0)2+(2.6605712+1.2257142)=2.929337N/mm2Wf-=160N/mm2ᡠηWXY⌕[eஹpcdnoDE1ஹpdno%&UVV:FᵨḄ!ᔣ`a:OkNxV:FᵨḄ!ᔣ`a:1.3442kNyN:FᵨḄᚖÐ☢ḄFᵨa:0.762258kNL~!ᔣ`aḄW63mmx-L:~!ᔣ`aḄW100mmyM:!ᔣ+OkN.mxMy-!ᔣ+0.40326kN.mhf-ḄN6mmḄ☢ᱯឋ᝞-.T106⚓.

107X£ឋ-Ix=120cm4Y£ឋ-Iy=120cm4X£e©ᢙ-W=34cm3xlX£©ᢙ-Wx2=34cm3Y£«©ᢙ-W=34cm3ylY£©ᢙ-Wy2=34cn?☢☢:A=10cm22ஹnoDE1).cp¯ᦪ±²8Ñ:´☢()ḄWbcµᜧ¶ᦪ·¸~☟a₹'º»¼~½a₹'Ḅ¾᪀À1.22Á¸¼~½a₹'Ḅ¾᪀À1.0Ò-ḄWbcdÀ160N/mm22).`acp`acpÓÔ-!ᔣ~`aḄ☢Afx=LXhX0.7xf=63X6X0.7=264.6mm2VxÕ*=Nx_OX1000=264.6--ON/mm2`acpAfy-!ᔣ~`aḄ☢Afy=LyXhfX0.7=100X6X0.7=420mm2

108M0----------x-----WX-BfXWy_0X100஺=1.22X34=ON/mm2_My°wy=3xwfx_0.40326X10001.22X34=9.721794N/mm24).$ᔠacpᙠ+ஹ`aஹ£aᐳÉFᵨḄᢚpaÊp᝞:°=^/(°wx+°wy+0n)2+Tx2+Ty2=-\/(0+9.721794+0.624802)2+O2+3.2004762=10.830286N/mm2^f^=160N/mm2ᡠηWXY⌕['ᓄ᪝1ஹ᪝UVV:`abcd-V=1344.2N`abcdVh=ONN:Øᔣabcd-N=762.258294Ne2-Ù᪝ÛÙr☢ÜÝ:0mmM:+bcd(N.mm):yM=VXey2=1344.2X0=0N.mmT:Þbcd(N.mm):ON.mmßàcpÙ᪝á-᠗ã-ᓄåÙ᪝FHB-A10*60/10Ù᪝ᩞᧇá-ç┤éÙ᪝-A2-70Ù᪝ê-12mmÙ᪝ërìê-13mmÙ᪝ᜐîïðñìê-14mmÙ᪝ᨵᦔÙôõW-120mmÙ᪝ëîïðöo-îïð-C25ëîïðNñ÷îïð.T108⚓.

109ëîïðøᩞW:400mmîïðñ÷ùúûüýþÿ
ᡈᡈḄ᪝ᐸ2ஹ᪝qH᪝᝞ᓄ"᪝#d:᪝'(12mmdf:᪝-./(13mmᙠ23456ᐳ89ᵨ;᪝<ᨵ>?@AḄB3CD஺✌ᐜᎷI᪝

110ᡠᨵ᪝BḄ234762.258294N3ஹ᪝qFH᪝B3ᢥ᯿ẚ¡¢D£¤᝞I)᪝¦ᩞẚ¡ᡈ¨ẚ¡©ᓫ«ὃ⇋®ᔣ39ᵨ;V:1344.2NyV:0Nxny°±®ᔣ3VBḄ᪝ᦪ³4´v:°±µf3VBḄ᪝ᦪ³4´VV(JGJ145-201353.3-2)Sy13y-2--336.05NvxVSxn(JGJ145-20135.3.3-1)"x=ᡠv᪝<ᙠ39ᵨ;᪝Ḅᨬᜧ3¹£º=V=336.05NDIIldA)ᦑV=Vsmax=336.05N<3¹£ºV&x=ON,V&y=-1344.2N,V%=1344.2N2)ẚ¡©᪷Ádᑖ᪆@Â;®ᔣ3ᚖ'ÄÅᩞ;µf3fPÄÅᩞᢥ᯿Æ⌕É;ᚖ'ÄÅᩞ©;ᢥ᯿ÊᑖB3¹£,ᔲᑣᢥ᯿ᐰÊB3¹I(JGJ145-201353.1.2)N:°±®ᔣ3VBḄ᪝ᦪ³2´v°±µf3VBḄ᪝ᦪ³4´ᓫ´᪝BḄ®ᔣ3VVVSyny1344.2--672.IN2Vxnxᡠv᪝<ᙠ39ᵨ;᪝Ḅᨬᜧ3¹£ºV=672.INSDImllqdxAஹ.110⚓.

111ᦑVd=Vsmax=672.1N<3¹£º:(ÐÑᔣ3
ὃ⇋)ᑗµf©;ÓÔ₹ÖVdx]=0N,Vdyi=-1344.2N,Vdi=1344.2N4ஹ᪝q-H᪥᪶᪥᪶ÚÁNgWN(JGJ145-20136.2.1-5)dRdsᐸMN1᪝

11202cNNRkc=NRXx

113ᡠR6sN9஺9஺reN⊤UḄᒑ-ᵨB"#$%&Ḅ23i4ᦪ6ᢥ6.1.7[JGJ145-2013]<ᵨ6N01«¬Pn150mmᡈ¬¯dW10mm±s2100mm691.0*N²01«³Cᐸ´µ[6◤⌕ᢥ᯿/
91.0/cN₹%»¼eNB"#$%&Ḅ23i4ᦪ6ᢥ6.1.8[JGJ145-2013]<ᵨ;/cN="ecNlX*ecN2=!—x—!—2Xe,2XeNyNx1+-----1+----scrNscrN_L__L_X620,201+3601+360=1>1ᡠR6eel'll஺Ç☢ᡠÈᑮḄᔜ⚗Ëᐭ6ÈACNNRkc=NRX-XsNX.XecNkcACN=46008.69483Xᯠ;X0.9X1X1=69779.853826N69779.853826=27136.60982INᵫCYoXNd=838.484123WNRdc6ᡠRÑ0┵"#ẚ$%&ÒÓÔ
⌕Õ!6ஹᒨ£ẚ-H᪥᪶᪥᪶ÙÚÛÜNR&SP(JGJ145-20136.2.1-8)N:ᒨEẚ"#$%&Ô
)RdspᒨEẚ"#$%&Ô
)NRdspᢥ/ᑡ
:.113⚓.

114NRI<%,N(JGJ145-20136.1.3)RkRkcAC.N*h.sp᪀çèMhBᒨE$%&Ḅi4ᦪ6GᜧC/☢ᑖ⚗
h=h+2Xd=120+2X14=148mm(JGJ145-20137.1.1)minef0=1.94028591.380277c.ᒨEẚḄvwPxcrspc=2Xh=240mm(JGJ145-20136.2.14)crspefScr.sp=2XCcr.sp=480mm(JGJ145-20136.2.15)Ac.N=scr.sp2=230400mm2A=265200mm2cNᐹ᝞/("K0᪝G
ᐭ☢j)î0.3Xc—vcr.sp0.3X120"0-7+240=0.85ᡠR6+s.N9°85஺ec.N=*ec.NlX*.N2W1ec——o-X,2eNx[+Ze▬1+-----Scr.spscr.sp-4xoX-]2X01+480I+-48(r=1>1ᡠR6&ec.N91஺Ç☢ᡠÈᑮḄᔜ⚗Ëᐭ6È0'cNNRk.cp=NR,cX-(rX*s,NX*re,NX*ec.Nkc.N.114⚓.

115=46008.69483X0.85X1X1=45014.236062NNRk.sp=*h.spXNRk.cp=1.380277X45014.236062=62132.128961NRk.spNR&SPôkXRsp____62132.128961=0-7X-L8=24162.494596NᵫCYoXNgd=838.484123WNRd.sp,ᡠRᒨEẚ"#$%&ÒÓÔ
⌕Õ!7ஹ᪝¥ᩞqFẚ᪥᪶᪥᪶ÙÚøWV(JGJ145-20136.2.16-4)RdsᐸV1:0᪝Ñú&ᨬᜧḄ0᪝Ḅú&Ô
)6᪷Ú☢
9336.05NVRds0᪝¬ᩞẚ"ú$%&Ô
)As0᪝&ü☢☢jU84.296471mm2fyk0᪝ýþLM᪗()VRks0᪝¬ᩞẚ"ú$%&᪗()YRSV0᪝¬ᩞẚ"ú$%&ᑖ⚗4ᦪ6ᢥ⊤4.3.10<ᵨz▭⌱9YRSV42*Gὃ⇋ᩨᩚḄᵨᨵVRks=0.5XAfyk=0.5X84.296471X450=18966.705912N,,VRks18966.705912L2=15805.58826Nᵫ#$d=336.05NWVRdsᡠ)*᪝,ᩞ./ᢙ123⌕58ஹ᪀J©ªqFᬪ¬ẚ᪥᪶c:*᪝ᑮ9:;<=>c=120mmhefB*᪝ᨵᦔ*DE3F120mmh:9:;GᩞH3F400mmI115⚓.

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