桥梁钻孔灌注桩质量缺陷的处治实践

:100926825(2005)1320073202:2005203218:(19692),,1995,,,036002:,,,:,,:U443.15:A,,,,,,,,,,,11.11.1.1,,,:1),,,,,,,,2),,,,,,3)(),,,,,;,,,,,,4),,,,,,2.21),C20,:1.4m,100mm,50mm;1.4m,150mm,100mm;2m,200mm,150mm2)30,35,,31),,,,,,,,,2),,,,:[1]JGJ94294,[S].[2]GB5000722002,[S].ProblemsdeservedattentionindesignandconstructionofmanualdiggingpileMINGLou2chunAbstract:Fromstatictest,formulacalculation,strengthcalculationofpilebodyandotheraspectsthedeterminationofpilesultimatebearingcapacityisdiscussed.Thelayoutofpileandtheconstitutionofwell2coatareelaborated.Intheendseveralproblemsneedingattentionincon2structionarepointedout.Keywords:manualdiggingpile,ultimatebearingcapacityofsinglepile,artificialdewatering37311320057SHANXIARCHITECTUREVol.31No.13Jul.2005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:100926825(2005)1320074202:2005203220:(19752),,1997,,,034000:,,,:,,:TU473.14:A,,,:11.1,;;,;,;,,,,,,,1.1.21),,,,2)a.;b.;c.,3)80cm,,,,1.2,,,,1.3,,,;,,,2JTJ07198,6.3.1.56.3.1.6,,,[1,2]:1),,,2),,3),:a.;b.;c.,,(),,,,,,:[1].[J].,2004(1):25226.[2].[J].,2004(4):27229.[3]JTJ07198,[S].Qualitydefectsofcast2in2placeboredpilesofbridgeandtreatmentpracticeBAOXiu2meiAbstract:Inviewofthequalitydefectsofcast2in2placeboredpilessuchasbrokenpile,necking,slumpandotheraspectsthereasonsofthosequalitydefectsofbridgepilefoundationareanalyzed;atthesametimeseveraltreatmentmethodsareintroducedtoensurethepilingqualityandconstructionsafety.Keywords:cast2in2placeboredpiles,brokenpile,necking47311320057SHANXIARCHITECTUREVol.31No.13Jul.2005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.