塔吊基础计算(品茗英文版)

《塔吊基础计算(品茗英文版)》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、CALCULATIONFORPILEFOUNDATIONOFTOWERCRANETowercraneTC11.ParameterinformationTypeoftowercrane:FM2555K,self-weight(includethepressure)F1=635.70kN,maximumliftingloadF2=100.00kNOverturningmomentoftowercraneM=2945.91kN.m,liftingheightoftowercraneH=47.80m,WidthoftowercraneB=2mStrength

2、ofconcrete:C30,steelgrade:Ⅲ,lengthofpilecapLcorwidthBc=6.00mDiameterofpileorpile'slengthd=0.40mPilespacea=5.80m,thicknessofpilecapHc=1.50mEmbeddeddepthoffoundationD=0.00m,stirrupspaceofpilecapS=200mmThicknessofprotectionlayer:50mm;2.Calculationforverticalforceandbendingmomentof

3、pilecap'stopsurfaceofthetowercranefoundationØSelf-weightoftowercrane(includepressure)F1=635.70kNØMaximumliftingloadoftowercraneF2=100.00kNVerticalforceactinguponthetopsurfaceofpile'sfoundationF=1.2×(F1+F2)=882.84kNOverturningmomentoftowercraneM=1.4×2945.91=4124.27kN.m;3.Calcula

4、tionforthebendingmomentofrectangularpilecapØCalculationforverticalforceofthetopofpile(Referto《TechnicalStandardforconstructionpile》JGJ94-94No5.1.1)Inwhichn──numberofsinglepile,n=4；F──Designvalueofverticalforceactingonthetopsurfaceofthepilecap，F=1.2×735.70=882.84kN;G──Self-weigh

5、tofpilecap,G=1.2×（25.0×Bc×Bc×Hc+20.0×Bc×Bc×D)=1620.00kN；16Mx,My──Designvalueofbendingmomentofpilecap'sbottomsurface(kN.m)；xi,yi──SpaceofsinglepilerelativelytothedirectionofXYoftheaxisofpilecap'scenter(m);Ni──Designvalueofverticalforceofthesinglepile'stop(kN)。Designvalueofthever

6、ticalforceofsinglepiletopaccordingtothecalculation:Maximumpressure:N=(882.84+1620.00)/4+4124.27×(4.80×1.414/2)/[2×(4.80×1.414/2)2]=1233.36KnWithdrawalresistancecalculationN=(882.84+1620.00)/4-4124.27×(4.80/2)/[4*(4.80/2)2]=196.1Kn>0Withoutupliftforce!ØCalculationforthebendingmo

7、mentoftherectangularpilecap(Referto《TheTechnicalStandardofConstructionPile》JGJ94-94No5.6.1)InwhichMx1,My1──CalculatingthedesignvalueofthebendingmomentatthecrosssectionofthedirectionXY(kN.m);xi,yi──SpaceofsinglepilerelativelytothedirectionofXYoftheaxisofpilecapcenter(m);Ni1──Des

8、ignvalueofsinglepiletopexceptself-weight(kN)，Ni1=Ni-G/