施工技术

2008637CONSTRUCTIONTECHNOLOGY1,2(11,066004;21,400074)[],,,,,,,[];;;[]U442.5[]A[]100228498(2008)S020237203MainBridgeDesignofWujiangBridgeinPengshuiUpperPortWangZhiyi1,ChenWusi2(11PreparationDepartmentofHebeiCoastalExpressway,Qinhuangdao,Hebei066004,China;21ChongqingJiaotongUniversity,Chongqing400074,China)Abstract:BasedonconstructionofWujiangBridgeinPengshuiUpperPort,computercalculationandmanualcalculationmethodareadoptedtocheckreasonabilityofarchbridgedesign.Asimplemanualcalculationmethodisusedtocheckbear2ingsituationofaspecialcross2sectionatarchspan.Thentheresultsarecomparedwithcomputercalculatedonesforensu2ringcalculatedresults.Themanualcalculationmethodcanofferparametersforactualprojectcompoundingwithconstruc2tionconditions.Keywords:archbridge;design;specialcross2section;checking[]2008204216[],,6066004,:13833555701,E2mail:[e-mail]1()319-,,K0+006130,K0+253170,210%,,24714mL0=150m,f0=25m,f0/L0=1/6,m=11543(1)1:1):2;:215kN/m22)1215m;:0125m+115m+910m+115m+0125m3)2100%4)1/1005)6,76)1622,43,-32,,,JTGD6022004JTGD6222004JTGD6122005,2.11)2)C353)C404)C502.22.2.1(1)7321MPa/(kN/m3)C503.451042522.41.8332.42.65C403.251042518.41.6526.82.40C353.151042516.11.5223.42.20202.2.2(2)2MPaR2351951952352.1105HRB3352802803352.01052.3310,33112161,207,2323126,,2105m,15cm,C50(3)333BH/m2A0/m2y/mIo/m492.210.1000.9856.6243/892.210.1000.9856.6241/492.210.1000.9856.6241/892.210.1000.9856.62492.210.1000.9856.6249.58.0680.6904.236478.100313L0=150m,f0=25m,f0/L0=1/6,m=11543,La,(1994)199428:1v1=1107175,La=1v1L0=1107175150=16017625mm=tan-1f0/l02=tan-113,cosm=0194871199429211:1=11105621Af20=0.01145=91662321Af20=0.01001l0=0.36La,y=l0315ix=2015487314()()1m:(8cmC40+6cm):4313kN/m;+:1418kN/m315TGD602200441311,qk=1015kN/m)0175(),Pk=360kN0175():2()1()0197()=1194JTGD602200441312,f=0148115Hz,=0105316JTGD6022004413110:Tc=24114+Tt-20114038,Tc=Tt-11851158-119,-20JTGD60220044131103.731083220084JTGD6022004411161JTGD612200541019:e016s41015410182,0NdAfcd016s,,s=y=SA(S,A);,s=y=h-y1),3/81/41/8()2)2()3)()JTGD6122005410113,:0VdAfvd+fNk/114,4)():JTGD6122005410112:0Md=217709105kN,Wftmd=1.95748105kN0Md,,():JTGD622200451311,,0122%():JTGD622200451212,51),,,,2),,,:[1],1[M].:,2001.[2]1JTGD6022004[S]1:,2004.[3]1JTGD6222004[S]1:,2004.[4]1JTGD6122005[S]1:,2005.[5],1[M]1:,2000.[6]()[R]12006.[7],1,()[M]1:,1994.9322008: