泗水塘大桥岩溶地质钻孔灌注桩施工技术

20031321CONSTRUCTIONTECHNOLOGY(,030024)[],[];;;[]TU753165[]A[]100228498(2003)0120033202ConstructionTechnologyandMeasureofDrilledPileinKarstGeologicConditionAreaofSishuitangBridgeBAIKun(No.12ChineseRailwayBureau(Group)Company,Taiyuan,Shanxi030024,China)Abstract:Inthisarticle,theauthorintroducesthepilefoundationconstructionofSishuitangBridgeofLuozhanrailway,andstatesprecautionandtechnicaltreatmentmeasuresadoptedintheconstructionofdrilledpilesunderkarstgeologiccondition.Keywords:bridgeengineering;pilefoundationengineering;drilledgroutingpile;constructiontechnology[]2002206205[](1969),,,,130030024,:[phone],DK273+954112,1132m,372177m,95%,46,1125m,40158m,,,,,,,,1,,,,:,;;1%,,:,,,,,,,,,,,,2,,,,,211,:,,,,;;;;;,,:,115cm,;33©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,;;:,,,,,(),212:,;;:;,5%,,:;,213,,:,,,;;;,;:1,,;,,;,,2m,214,,,,,:,,,,;,,,,,(),,:,,,,;,,,13m,,,;,,;,,,,,115m,,,,,,,,215;,;,,:,,;,,,,;,,,;,,35cm,,,,,:,,;,,110210m,;(49)4332©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(150cm100cm),6m,2,9,,,,015110m;Qm=R3(VKP/K)3/22cmPs,;60cm,()40cm,;,,,38,,,3311(),,31272,,,,,,,,31314,3,,K7+69242mm,23mm,138MPa,1217MPaPdK7+692,,(),,,4(1),;,,,(2),,,,,,,,,,,,(3),,,,:[1]GB50229-99,[S].[2].[M].:,1997.(34),,,,015m,;,,,3(1),,,(2),,(3),,(4),,942003No.1:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.