-SMW工法-在上海地铁车站中的应用!

SMW(200092)(ShanghaiMunicipalEngineeringDesignInsitute,200092)SMW,M8,,SMWABSTRACTSMWmethodfullyutilizedinfoundationpitofmetrostationconstructonisrarelyseeninChina.ThisarticleanalyzedtheengineeringpracticeofNengjiangRoadstationofshanghaiM8metrolineandmadesomeexplanationandpreliminarysummariesonthedesignandconstructionfortheSMWmethodinretainingstructure.Suchastudywillbehelpfulforextendingthismethodtodeepfoundationpitinsimilarengineerings.KEYWORDSSMWmethodMetrostationFoundationpitDesignM8,,,;;,,:613m115m615m2146m,615m,16915m,310m1215m,1412m,SMW,,,,18m3,410m,,015m,1,,,,SMW,,,H1mw%kN/m3eaEsc(kPa)11122193212144123316181401958012191328271732212171714281318190183901181012283112137163413171811066016231331314174176102412191801708013151511514311831181819018830119919182913,SMW11,SMW21318m,,,,,31,615m;,,615m,,SMW41,,(6m)SMW07214200412Vol121No14Dec.2004SPECIALSTRUCTURESNo142004©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,1218m51SMW,70%,,50%,61SMW,,,,,SMW12151412m,850,H7003001324,20%,250mm,H1200mm360916,460916,310m,2H4004001321,,5070%3,,,,SMWH,1111(JGJ79291)90d,2390%,,90d,,28dqu28,20%,28d,qu28115MPa,,fc=qu28/2,s=qu28/6,21L2H,,,,2,,L2900mm,2:L2Bc+h,:Bc;h:Bc+h=850+700=1550900,313H,,3:1=Q1/dels,2=Q2/de2s=NA=qL2lBffc:Q1=015qL2,Q2=015qL3,17No142004SMWSPSTSPECIALSTRUCTURESNo142004©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:q(kN/m2);de1H(m);de2(m);L3(m);Bf(m);fc(kPa);N(kN);A(m2)41HDhDc44Dh,:Dh=12m,Lh=24m,Dh=13m,Lh=27mDc:;,DcDh:Dc=13m,Lc=2515m;Dc=14m,Lc=28mSMW,,::K=3105,K=2187;:K=2116,K=2105;:K=112,K=1115;:015m,3m,K=213,K=2112SMW,HSMW,,55;,,,,,620kN/m2,015m,,c,K=10000kN/m356:Umax=3711mm,Mmax=734kNm,Qmax=473kN,H14516MPa,11M8SMW,SMW6,,,21SMW,,,,,31SMW,SMWSMW,[1](JG79291)1:,1991[2],1[M]1:,1997[3](DGJ0821121999)1,199927SPST20044SPECIALSTRUCTURESNo142004©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.