桥梁钻孔灌注桩质量缺陷的防治

:100926825(2003)1420036202:2003207222:(19712),,1994,,,030006:,,:,,:U445.55:A,,,,,,,,,199610,5%10%,14.7%;19901998,5.6%(),,,1,56.274km,43.6km,711,K0K20,20m,1.0m,,,,18,2.53%22.12.1.1,,,:1),,,,,,,,2),,,,Q=/2,16)17)10)11)QZ,,230m40m135km424m+2732m1004m,37m,800m,,,,,,TheuseoftotalstationforcurvesurveyunderspecialterrainconditionJIQiao2xin(TheWorkersSchoolofTaiyuanRailwayMaintenanceSection,Taiyuan030009,China)Abstract:Theapplicationoftotalstationinsurveyingconstructionunderspecialterrainconditionwithlargetopographicalreliefisintroduced.Thegeneralformulareducingtheintersectionmeasurementworkofeverypierwasderivedwithhighaccuracyandspeedconstructionforanycases.Keywords:totalstation,specialterraincondition,curvesurvey632914200310SHANXIARCHITECTUREVol.29No.14Oct.2003©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,3)(),,,,,;,,,,,,4),,,,,,,5),,,2.1.21),,,,K32+686.5123K19+110726,2)K7+954.5026,,30cm0.5cm26m,17m,,,;,10m,20,1220cm,1220cm,,3),80cm,,,,0.6m,,,K16+110623324122K12+087321,6,202.2,,,K10+028.8224,46m,1.5m,28m30m,,,,,,3,8cm,,,802.3,,,;,K30+286123,6.5m7.0m,AB,BCAC,C1.2m,7m,,6.5m,C32cm14cm16cm2cm(),3JTJ07198,6.3.1.56.3.1.6,,:1),,,2),,3)Qualitydefectstreatmentofbridgecast2in2placeboredpileCAOXu2dong(TheFirstHighwayEngineeringCompanyofShanxi,Taiyuan030006,China)Abstract:Combinedwithengineeringrealitythereasonscausedthequalitydefectsoffoundationpilesofbridgeareanalyzed.andfrompreven2tion,constructionanddetectionpointsforattentionareproposedforqualitycontrolofcast2in2placeboredpile.Keywords:cast2in2placeboredpile,qualitydefect,treatment732914200310:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.