岩溶地区桥梁桩基施工技术措施的商榷

120032TechnologyofHighwayandTransportNo.1Feb.2003:2002-03-12:(1974-),,,,.(510635),,AbstractEngineeringaccidentssuchasgroutleak,collapseofhole,drillblockingoftenhappeninbridgepilefoundationconstructioninKarst.Preventionandtreatmentoftheseaccidentsrelatetosuccessorfailureofconstructionperiod,engineeringcostandpilefoundationconstruction.Thispaperintroducesthesuccessfulengineeringprecautionstakenbytheauthorinpracticalconstruction.KeywordsbridgepilefoundationKarststeelprotectiontube,,,,,,,,;,,,11.1,,,1,,23,,,,,;V,513m42,,,,230m12,,1.2,;,:(1):h2m;h2m(2):,;;(3):1242,,,,,,,,2.1,,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,2.2,,,(),2.2.1,,,,,2m,,,,,;,,,1,;,23m,;,;,,,2.2.222,;;,,,3,,,,;,,,,131:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,(),,,10m,,2,;,,,46m;,,4,,,,5;,,,,;,,,33.114#125.134m,1.2m,96.1234m,29m;5,,;232003©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.0.62m,;6,ª160cm,108.49m,,,,,ª140cm18m,;,,,,;,,,,,ª130cm,(96.89m);,2m,1.2m94.89m3.29#16m,,,4m,15m,1m,,,57m,,,,:(1),,,(2),,50cm,3,,;,(3),,,,,1,,;,4(1),,,,,,(2),,,,,,,(3),,,,,,,(4),,,(),(5);,;,(6),,235,,,,,,(),,,,,:12100m,12#2#,2#5#,331:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.