岩溶地区桥桩工程的一般事故分析与防治

[]20040520[](1970),,,,1,2(1.,519000;2.,510090)[],,,,[];;[]U445.55+1[]B[]10021205(2004)03011303GeneralAnalysisandPreventionofAccidentsinPilingforBridgeLINWeixin1,LUOZhiqiang2(1.ZhuhaiBureauofHighwayAdministration,Zhuhai,Guangdong519000,China;2.FacultyofConstruction,GuangdongUniversityofTechnology,Guangzhou,Guangdong510090,China)[Keywords]karstregion;accidentanalysis;pilingtechnique,,,,1,,,,,,,,,,,,,20m,,,50cm,,22.0m,8.0m,,9.0m,,,,,,,:(),;,(),,1.0%;,,,,(),;,(),,;,,,(R2),,,,,,;(),,;(),,;29,320049CentralSouthHighwayEngineeringVol.29,No.3Sept.,2004©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,;,,;,,,,,22.1,,;,,,,,,,,,,,;();(),,,,,;,,,,,,2.2,,,,,,;,,,,,,,,,,,,,,,,,,,3,,,,,,,25m,,19.0m,,,,,79d4050min,,a.,,:,,,;,b.,,:,,;,,;,c.(),,41129©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,d.,,(),,,:,;,,,,,,e.,,,,,,,,,,,,,1m,,,,,,,,,f.,,,,,,,:,;(),,,;,;,,,4,,,,,,,,[][1].[J].,2000,(3):4446.1:(300400)(38)(JTJ002-87):2(GB31003102),,,3A4,,,,,4,34,,5113,:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.