钻(冲)孔混凝土灌注桩施工方法与措施

()(,510000):,(),112,1.0m1.5m1.8m,4.451m,,,8m,:():TU473:B:100423152(2005)03200482041(),112,1.0m1.5m1.8m4.4m51.0m,1,,3.744.8m,()()():()()(),,230m,210m4:1:,,,,1.811.0m;2:,,,0.45.7m;3:,,-,120m;4:,,1050m,,,,8m,()200238,200262385%,2003511,2,(),:1():2.1,,2.02.5m,,,3050cm,1.0m,,,,,,,90kW,35m,50cm:2004210226:,,1953,,,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1()2.2,,,;QJ-250BAVER-BE250,,,,,,,,,,,1:1()(Pa.s)(Pa)(%)(%)(ml/30min)(mm/30min)(PH)1.081.10182212.5495142028102.3,,KTL-300,BRM-25t;,,,,,,,,,,,,943:()©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,1.0m,5m,1m,,,,,,,;1m,,,1m,4mm,,;,1m,,,,10mm,,,,,1.5m,,,,,,,,,2.4,,,2030cm,,,,,,2.5,,,100%,,,,7cm,,,,,,,,2.6,300mm,3040cm,,,,,1m,,,,,,,26m,0.50.8m,2.7,;,;,,3,,,3.1:,,,,:,,;;,3.2:,,052005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:,,,,,3.3:,,:,,3.4:,;,:,,;,,,,,,3.5:,,,,:,26m,3.6:,,;,;,;,:,;,,,;,;,,4(1),,5cm,(2),1.0m(3)(),(4)5m24h,,(5)(6),,(7),,,,,(8),,,,,26m[1],.[M].:,1993.ConstructionMethodandTechnicalMeasurementofDrilling(Wash)BoreConcretePilesWUYun2hua(GuangzhouProjectManagementCo.,LTD,Guangdong510000China)AbstractSomesuperhighwaybridgesproject,drill(wash)boreconcreterilesareusedforfoundation.Duetothevarilationofgeologylocatedisgreat,inpartsoffaultsmixedwithdissolvingholeetc.thefoundationofmainbridge8mdeepconstructionisdifficult.Keywordsdrilling(wash)boreconcretepile,constructionmethod,technicalmeasure153:()©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.