20041331CONSTRUCTIONTECHNOLOGY(,230022)[]TU75311[]A[]100228498(2004)0120021201ConstructionPracticeofManualExcavationPilesSUNXiu2ai(AnhuiHydraulicConstructionandInstallationHeadCompany,Hefei,Anhui230022,China)[]2003210227[](1946),,,,15332404230022,:(0551)3639745,,,1,4112m,16m315m,610m(),,,,C20,1015cm110m110m2211,,,C20,,,,,,,,,,,4,110m,,212,,,,110m,0115m,0110m,0151d(,),213()(),,015018m,210m,:110m015m,,,3,,;,10,012m,28,01100115m01150120m,(),,3mm110m,,214,,,,,210m;,,110115m,810cm;,215,,30100m,,,,3,,(),,,,,,,12©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.