桥梁桩基础挖孔成桩施工技术

5(167)200410SHANXISCIENCE&TECHNOLOGYOFCOMMUNICATIONSNo.5Oct.:2004207202;:2004208210:(1968-),,,,,1990(,046000):,,,,,,,,,:;;;;:U443.159:A:100623528(2004)05200532031a),,,,;b),,,,;,;c),,,,;d)30%40%;e)22.132.1.1,10cm15cm,,2.1.2,,2.1.3,:1m(),,,,,1,1,2.22.2.121.8m,1.8m,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2.1m,1.0m,,.:a)D=3mm,,,,3cm,3cm;b),,,,50mm50mm50mm;c),,;d),,;e)22.2.2:5m,23200W,,2.2.3,,,1m,1.5m,,0.8m0.5m,,,,,0.6m0.5m,,,,,,30min10min15min,,,,8m10m2.2.4,,,7cm8cm,14cm15cm,,3,2025,,140h160h,2.2.5,,,,0.3Lös,,,K126+566,1730m,1.8m,7,,14m,,7m,2003,67,3,80,,,75d,,3,,:a),;b),,,3m;4520045©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.c),,;d),,;e),,,;,,;f),,;g),,;,;,,4,,3,A,,1.5m,1m,3(b),10cm,20cm,,,,,,,,35,,,,,TheConstructionTechnologyofBridgePileFoundationDiggingCHANGWen-wei(TaichangExpresswayConstructionCo.Ltd,Changzhi,Shanxi046000,China)Abstract:ThepaperintroducestheconstructiontechnologyofdiggingpileforTaichangExpresswaypilefoundation.Keywords:bridge;pilefoundation;digging;pile;construction;technology5520045:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.