人工挖孔桩施工中遇到的问题及其对策

348954m2234514866m2828422m32m11219437302TU473.1+4B10090908200403001902ProblemandCountermeasureinConstructionwithMan-madeHole-diggingPileWENMing-chu,WANGZhen-hua(LushuiProjectManagementBureauofChangjiangWaterResourcesCommission,Chibi,Hubei437302China)Abstract:Correspondingcountermeasuresareprovidedtoseveralproblemsintheconstructionofmanmadehole-diggingpile.Keywords:manmadehole-diggingpile;undergroundwater;driftsand;mud;dado;concrete20040423196821320049Vol.21No.3Sep.2004JournalofChangjiangEngineeringVocationalCollege20.3m0.15m311m0.5m(2)350.5m0.3m0.5m412310m30cm20