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,,(,310006):616m,19000kN,9500kN,1,,,,:;;;:U448.25;U443.38:A:1671-7767(2010)02-0013-043(),,,,,,(zx@63)1,1440m,(180+616+205)m,635m,456m+356m112(1)-(2)(2):18m;:435.0m,102!(3)200910,175m-145m-155m(),,[1],100,194.40m()192.68m()153.03m()(4)1000t1500t1942kW,1942kW1000~3000t3K184+940,190.2m(),192.68m(),K185+556,168.5m(),153.03~192.68m(),,,192.68m()6.5m,199.18m()[2],11/kN1900095001942kW+43000t,3m/s:2,2,,10000kN,0.5m2(2),313,,:2009-10-2:1978-19992004Email:ahh1.com22800kN/m,500kN/m244.1,,[3],1400kN,1100kN,1,1C50,,5.2m,6.0m7/10007.956m0.6m0.8m,20.3m20.3m,5.5m,93.0m,,,,[4]40m,168.5~199.18m(),30m,1,,,,2,231.273m(),168.5m(),62.773m;199.18m(),,,,,,,,,,,,,4.2,25.2m,7.5~7.956m0.95m,0.6m,33ANSYS,,2,24545,,3M,;1420102144.Pa53.92MPa,C501.83MPa,,203.0m(),6mm10cm10cm,4.3,C50,6.4m,7.0m,0.6m;36.085m,30.6m;5m56199.18m(),IJ,,3MIDAS/Civil2006,,7,5m,203.0,198.0,193.0,188.0,183.0m()567,22:(1),I339043kNm,;,175746kNm,48%,(2)IJ,I3J,I2/m/kNm/kN/kNm/kN/kNm/kNI33904315379----203.0IJ1757461597879740156121828753451702941019591561849241093198.0IJ15732813975388671578040685384818284196121684133795476899193.0IJ13745011478275641557611806216701744196136994126055866727I3566535655633553I55636355663536566563315,,188.0J12804949018191298421880414020410118787818.0J1410497147112082088114419787294I,:,,3,203.0m(),4.4,7,,,3430Nd/kNkNmkNmNR/kNNR/0Nd156229546381365886170473.95185389689052756484934452.66:Nd,NR,0[5],40Md/kNm0Vd/kNMR/kNmVR/kN1194941305646848526656:Md,Vd,MR,VR,05203.0m()1,,,:[1],,,.175m[R].:,1988.[2],,,.[R].:,2005.[3]JTGD60-2004,[S].[4],.[M].:,2006.[5]JTGD62-2004,[S].AntiCollisionDesignofNorthTowerofYuzuiChangjiangRiverBridgeinChongqingZHANGHongxing,LIUDebao,WANGChengshu(ZhejiangProvincialTransportPlanning,DesignandResearchInstitute,Hangzhou310006,China)Abstract:YuzuiChangjiangRiverBridgeisasinglespansuspensionbridgewithmainspan616m.ThenorthtoweroftheBridgeislocatedintheriverandthetowerhasthepossibleriskofbeingcollidedbyships.TheanticollisioncapacityofthetowerinthetransversedirectionoftheBridgeisdesignedtobe19000kNwhilethatofthetowerinthelongitudinaldirectionis9500kN.Thedesignofthetowerpilefoundationismainlygovernedbythecollisionloadcaseinthetransversedirectionandthetoweritselfwillresistthepossiblecollisionfromshipsinthetransversedirectionbywayofaddingabottomcrossbeaminbetweenthetwotowerlegsinthetransversedirectionandbydesigningthelowerpartsofthetowerlegsintosolidsections.TheresultsofanalysisshowthatthedesignofthetowerinsuchwaycanmeettherequirementsintherelevantdesigncodesandcanprovidesolutiontotheanticollisionofthetowerinthetransversediKy;;;1620102rection.ewords:suspensionbridgetowerbottomcrossbeamanticollisiondesign