静压桩终压力及单桩竖向承载力的相关性_pdf

28520069JOURNALOFNANJINGUNIVERSITYOFTECHNOLOGYVol.28No.5Sep.2006,(,210009):,,,,:;;3:TU47311+3:A:1671-7643(2006)05-0063-04,,,[1],8000kN,300800mm[1]20,,,,[2-3],,,,1,,,,,,,,,,510s,,,,,,;,,,,,,,,,,,;,58m,8,,,3:2006-04-18:(1969-),,,,,,;(),,E2mail:[e-mail],,,,[4],,,,,,,;,,,,,,23,,,,,,,,,,2,30d,70%,3060d,,90180d,[5]2,,1,,1Table1Therelationofpiledepthandfinalpressureaswellasverticalbearingcapacity/m/m2/kN/kN325cm25cm12124848010540111251425cm25cm16166442214540112782525cm25cm111144518145100198446425cm25cm12124844017367018338825cm25cm12124840317367019091171500mm203114401000123211232150500mm2031144011251760115642222500mm2031144093017001182898500mm20311440930170011828124400mm202511508201000112215500mm1523153013121774161135335500mm1523153012301495101121553500mm1523153014761867181126560500mm1523153011481422151123980500mm1523153013121644151125393500mm152315301394182017113067525cm25cm14145632614220016746925cm25cm161664384102200157246281,,,Q/P(),01571183,,,,,,(1),,,,,,(2),;,,(3),,,,,,,,,20m,,3,,,,,,,,1,,,:Qu=mPs+nPj=mPze+(n-m)Pj(1)Pj=2.5d()0mipsi()Li+2.5d()0mipsi()Li5.0dAP(2):Qu,kN;mn,;Ps,kN;Pj,,,,kN;Pze,kN;Ap,m2;d,m;mi,,psi1500kPa019110,1500kPapsi2000kPa,016017,2000kPapsi3000kPa,015016,psi3000kPa,014015;psi()psi()215d,kPa;Lipsi,m(1)(2),,,;mn,,,,,,:Qu1=Qu(3),,1;,1,3#25#(1):540=480m+92(n-m)510=518m+69(n-m)(4)565::m=0166n=3107:Qu=0166Pze+2141Pj(5),,,(5)4[6],,,,:[1].[J].,2004(7):31-32.[2].[J].,2005(7):129-131.[3],,.[J].,2002(2):18-21.[4].[J].,1994(2):24-27.[5].[J].,1996(6):71-77.[6].[M].:,2004.Relativitybetweenfinalpressureandverticalbearingcapacityofstatic-pressedpileJIANGYue2nan,HANXuan2jiang(CollegeofCivilEngineering,NanjingUniversityofTechnology,Nanjing210009,China)Abstract:Onthebasisofthemeasureddataofstatic2pressedpilesinsouthJiangsusoftsoilarea,therelationshipbetweenfinalpressureandverticalbearingcapacityofsinglestatic2pressedpilewasanalyzed,theempiricalformulaabouttherelationwasputforwardaccordingtothelengthofpile,whichcanprovideareferenceforthesafeandre2liabledrivingofstatic2pressedpile.Keywords:static2pressedpile;finalpressure;verticalbearingcapacity6628