浅析钻孔灌注桩施工控制要点

3220046JournalofChangzhouVocationalCollegeofInformationTechnologyVol.3No.2Jun.2004:2004203218:(19782),,,:(19772),,,:(210032):,,,,,:;;:U443.15:A:167222434(2004)0220086203ABriefonControllingMainPointofBoringConcretePileConstructionWANGShu2juanZHUHua2jian(NanjingVocationalTechnologyCollegeofCommunications,Nanjing210032,China)Abstract:Boringconcretepile,whicheasytoappearaccidentsduringthebridgeconstructionisakindofstakebaseforms.Andtheconse2quencecausedbytheaccidentsaboutthequalityofconcretepileisquiteserious.Therefore,accordingtoconstruction,thispapersummarizessomecommonreasonsleadingtoaccidentsuchaspipewatered,pipeblocked,holecollapsed,reinforcingcageraised.Andalsothecorrespondingprocessingmethodsaregiveninthispaper.Keywords:concretepile;accidentreason;processingmethod0.,,,,,,,,1.1.1(1),,;,,,;,,,(2),,;;,,,,,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,,(),(,),,,,,,,(),,1.2,,:(1),,,,,:,,,,,,,(2),,,,,,,,,,,,,,1.3(),,,:,;,,;,,,,,,,,,,,1.4,,31,,,,31,1,,,3011(CM)250220200180150120100(M3Pmin)2.51.91.551.251.00.550.4,,:,;,,;12,1.5,,,,,,,7832:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,;;95%,1.6(1),,,1,(2),0.5Mpa0.7Mpa,,(3),0.8(425#),1,,,0.5(4),,,,(5)0.4,0.7Mpa0.8Mpa,,2025,,,,,,,,2.,,,,,,,,:[1].[JTJ04122000].:,2000.(85),,,,,,,,,,,,,,,,,,,,:,,,,,,,,,,,,,,,,,8820046©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.