岩溶地层灌注桩的施工工艺与质量通病

[]2003-01-20[](1967-),,,,(,410076)[],,,,[];;[]U416.6+6[]B[]1002-1205(2003)02-0073-03ConstructionTechniquesandCommonDefectsonPileFoundationinKarstStrataLIChun2Sheng(DepartmentofRoadandTransportationEngineering,ChangshaCommunicationsUniversity,Changsha,Hunan410076,P.R.China)[Keywords]karstregion;bridgepilefoundation;foundationconstruction,,,,,,,,8090MPa,,,,,,,[3,4]1d,3d,3d,,11.1,,,,,,,,,,,,,,,,,,1.2,,,,,,,,,,,,,1020cm,,,60cm,28,220036CentralSouthHighwayEngineeringVol.28,No.2Jun.,2003©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,11,,,,,,,11,23,,,,,,,,,,,,,,,,,,,,6mm,,,1%,,,,,,,,1.3,,,,,,1.101.18,,1822s,,,pH810,,1.4,,,,0.6m,0.3m,,,,50mm,,,,,,:;,,,1822cm,4h,,,,,,1m2,,2.1,,,,,,,,,,,,,,,,,5mm,,,,,,,,,,,,,,,,,,,2.2,,,,4728©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,,,,,2.3,,,,,,,2.4,50mm,,,,,3,,,,,,3d,,[][1]JTJ024-85,[S].[2]JTJ041-2000,[S].[3]GBJ7-89,[S].[4]JGJ94-94,[S].(64),d.,,,,,,[][1]..[S].:,1997.[2].[S].:,2000.[3].[S],:,2001.(72)28d,(1):fsp,k=mRdkPp+(1-m)fsk(1):Rdk,kN;m;;0.51.0;0.10.4,0;fsk,kPa3,,;:,,,572:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.