华科土木结构力学弯矩图100题-新版.doc

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1、弯矩图百题练习一、梁LL/2(1)LL(2)LL(4)LL(3)LL(5)LL(6)L(7)LLLL(8)L(9)LL(10)L(11)LL(12)LLL/4L/4(15)2m(16)2m2m2ma(17)2aa2a(18)a3a2a2aaa4aLL(13)(14)L/2(23)二、悬臂式刚架LL(19)L/2L/2(20)L/2L/2LL(21)L(22)aaaLLL2L(24)LLL2L(25)aa(26)a(27)a/2a/2aa2a(28)aa(29)a2m2m2m2m2m2m10KN/m(30)3m3m(31)3m3mL(32)L/2L/2

2、LL(33)(34)aaaaaa/2(35)(36)aaLLaaaaaaa/2a/2(37)(38)aa(39)aa(40)2a(41)aa/2a/2(42)2a三、简支式刚架3m3maaa2a3m(43)3m3m(44)L(45)LL3m4m4m(46)(47)LLL(48)2LL(49)a/2a/2aaLLL(50)LLL1.5LL(51)(52)2aaaaaaa(53)2a(54)3a3aa/2a/2a/2a/2a(55)(56)4m4m2m0.5m0.5m四、三铰式刚架L/2L/2L(57)L/2L/2L/2(58)L(59)aa2a(60)

3、(61)1.5aLaa(62)1.5aaa1.5aaa(63)aa(64)1.5aLaaaa(65)1.5m1.5m1.5m3ma/2a/2aa2a(66)(67)(68)2m2m2m3m2m3m5m3m2m2m3m(69)L/2L/2L/23mL/2(70)aaa3ma(71)aaa/23ma/2(72)aa(73)a3ma3mLL(74)L/2L/2LL(75)L/2aaa五、复杂刚架a/2(76)2a2aa(77)aa(78)a3ma3maaa(79)aa2a(80)2a3maaa(81)aaa4m2m4m2m2m2m(82)2mEI2mEI2

4、mEI2mEIq=4kN/m(83)10kN1mEI1mEI5kN5kN5kN3mEI3mEI3mEI3mEI3mEI8mEI(84)qaqaEIaEIa/2EIa/2EI(85)P2aEIaEIaEIaEIaEI2aEIaEI(86)20kN20kN10kN/m10kN/m40kN·m10kN/m2mEI2mEI2mEI2mEI2mEI2mEI2mEI2mEI4mEI(87)PP2mEI2mEI(88)20kN/m40kN4mEI4mEI2mEI2mEI4mEI2mEI2mEI2mEI2mEI(89)P2mEI2mEI2mEI2mEI1.5mEI(

5、90)qLEILEILEILEI(91)PPLEIL/2EIL/2EI30°30°(92)P4mEI2mEI2mEI4mEI4mEI(93)PaEIaEIaEI(94)aEIaEI(95)aEIaEIaEIaEIaEIaEIaEIaEIMM(96)(97)10kN/m20kN2mEI2mEI2mEI2mEI2mEI2mEI60kN·m60kN·mPaEIaEIaEIaEI2aEI(98)(99)2mEI2mEI2mEI10kN/m100kN·m50kN2mEI2mEIPLEILEILEILEILEIMaEIaEIaEIaEIa/2EIa/2EI(10

6、0)静定结构弯矩图百题练习答案一、梁LL/2(1)LL(2)LL(4)LL(3)LL(5)LL(6)L(7)LLLL(8)L(9)LL(10)L(11)LL(12)LLL/4L/4(15)2m(16)2m2m2ma(17)2aa2a(18)a3a2a2aaa4aLL(13)(14)L/2二、悬臂式刚架LL(19)L/2L/2(20)L/2L/2LL(21)(22)aaaLLL2L(24)L(23)LLL2L(25)aa(26)a(27)a/2a/2aa2a(28)aa(29)a2m2m2m2m2m2m(30)3m3m(31)3m3mL(32)L/2L

7、/2LL(33)(34)aaaaaa/2(35)(36)aaLLaaaaa/2a/2(37)(38)aa(39)aa(40)2a(41)aa/2a/2(42)2aaa三、简支式刚架3m3maaa2a3m(43)3m3m(44)L(45)LL3m4m4m(46)(47)LLL(48)2LL(49)a/2a/2aaLLL(50)LLL1.5LL(51)(52)2aaaaaaa(53)2a(54)3a3aa/2a/2a/2a/2a(55)(56)4m4m2m0.5m0.5m四、三铰式刚架L/2L/2L(57)L/2L/2L/2(58)L(59)aa2a(6

8、0)(61)1.5aLaa(62)1.5aaa1.5aaa(63)aa(64)1.5aLaaaa(65)1.