湛江海湾大桥48号主墩超长大直径桩基施工

:1003-4722(2004)05-0060-0348,,(,510075):,,:;;:U443.154:AConstructionofLongandLargeDiameterBoredPilesofMainPierNo.48FoundationofZhanjiangBayBridgeWANGSu,LIBu2yun,DAICheng2chun(GuangdongChangdaHighwayEngineeringCo.,Ltd.,Guangzhou510075,China)Abstract:WithreferencetotheconstructionofthemainpierfoundationofZhanjiangBayBridge,thetechnologyforconstructionoflongandlargediameterboredpilesinhashenvironmentofdeepwa2terandviolentwavesinthecoastalareaaredescribed.Keywords:bridgefoundation;boredpile;bridgeconstruction:2004-03-02:(1977-),,2000,1,1.3km3981.17m,840.0m,,(60+120+480+120+60)m,2003820061481000m,,,250m,,(Qm4),(Qmc4)35m,,48:,0.5%;;22.1312.5m(2.9m),-102m,-102.0-31.0m2.5m,-31.0m-1.4m2.9m11480620045©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2.2,,,1.0cmA3,1.0m,36m64m,I45,720m,40,24m,960m,150t,250t2.33.1m,3,10.8,11.2,8.2m,30.2m,Q235C,1.8cm,22.2cm,147t,,5m,,,16mm45cm,,,,610cm,8m47t,,4,,213.10m,,,0.5%,250t,348,100.6m,,4KP-3500,430m33.1,,2,,CMC3.2,,,30mm,,110,23,4,,30,4,1,KP-3500,,,,,2cm3.3,,,,,223.4,2030cm,,,,,8h,,1.11.15,1824s1648,,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3%pH8103.5,2.34m2.74m,102.6m,33t,9,,,2,,113t,,,,,,3,3,6,25U,U,6,2m,,50mm3,,,,,,1,,6;2,,,,,,,625,,44.1,630m3(10%)1000m,,12/h,72m3/h,2(1),86m3,1822cm,,17h,35cm,5060cm6m312,10m3224m3,1.5m4.2,100m,,(),,,,:;,,,;,,,;,548,6,,2620045©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.