挖孔桩在桥梁桩基施工中的应用

:100926825(2005)0420058202:2004211210:(19612),,1994,,,030012:,,,,,:,,:U443.15:A1:1),,,,2),,,,,,3),,,,4)25%35%5)22.12.1.1,10cm15cm,,2.1.2,,[1]2.1.3,:1m(),,,,,2.22.2.1,,,:1)3mm,,,,3cm,3cm2),,,,50cm50cm3)2.2.2:5m,23200W,,2.2.3,,,1m,1.5m,,0.8m0.5m,,,,,0.6m0.5m,,[2],,,,,8m10m2.2.4,,,7cm8cm,14cm15cm,,2025,,,,3d,,,,,0.3L/s,,,3,,:1),,,,,3m2),,3),,8531420052SHANXIARCHITECTUREVol.31No.4Feb.2005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:100926825(2005)0420059202:2004211204:(19692),,1992,,,710054(19732),,2001,,,710054(19642),,1984,,,710054:,,,:,,:TU412:A1:,;,;,;,;,2,,()()400m,,,,,,5[3]3,,,,,[1,2]3.1,,,,,,,,,0.0400.076,,,4),,,;,,4,,A,,1.5m,1m,,,,,,,,,5,,,,,:[1].[J].,2004(4):31233.[2],.[J].,2004(6):36238.ApplicationofholeexcavatingpileinpilefoundationconstructionofbridgeWANGBing2chang(TaiyuanRoadandBridgeConstructionCo.Ltd.,Taiyuan030012,China)Abstract:Theconstructionmethodofholeexcavatingpileappliedinpilefoundationconstructionofbridgeisintroducedanddiscussedfromtechnicalkeypoints,safetyprecautionsandotheraspects.Authorpointsoutthattheapplicationofholeexcavatingpileinpilefoundationtreatmentreducescostandacquiredgoodeffects.Keywords:holeexcavatingpile,constructiontechnology,geologicalconditions9531420052SHANXIARCHITECTUREVol.31No.4Feb.2005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.