深圳地铁区间浅埋暗挖隧道穿越建筑物施工技术

()2009:2009-08-30:(1972-),,,,,,(,518034):2,,,,,,:;;;;:TU64+1,U455:A:1672-7428(2009)S1-0346-08ConstructiontechniquesofcrossingbuildingonshallowburiedtunnelofShenzhenmetrorunningZHANGEr2hai1,HONGJian1,WUWen2tao1,CHAIJing2yao2(BeijingEngineeringConsultingLtd1,ChinaAcademyofRailwaySciences,ShenzhenGuangdong518034,China)Abstract:She2HaimetrorunningofShenzhenmetroline2isadouble2lineshallowburiedtunnelwhichisexcavatedbyminemethod1Stratumsofthissectionisnotonlyvariedbutalsowater2rich,andleftlineneedtocrossabuildingcalledTaizihotelontheground1Constructiontechniquesincludingsleevevalvepipe,deep2holegrouting,pipe2shedadvancesup2portandblastingcontrolmeasuresareintroducedindetailtoillustratehowtoensurethesecurityofexcavation1Reinforce2menteffectsandgroundsettlementcontrolareverifiedbynumericalsimulation1Keywords:shallowburiedtunnel;building;constructiontechniques;numericalsimulation;groundsettlement11112(),Z(Y)DK3+235135Z(Y)DK3+390100,154165m,911m,1014m,,1112,,,21603123m()1,,6432009(),,,,22:,,()(),,11503120m,-01281156m,,,Cl-,113,(2)(5)80,,118215m,,(),,,,,21,(33m),,,,,,,:,,:,30m,;,;;+;;,;,3311,,,,,[1-4]31111,,5m,,1m,9m,753431112131113(1),,(2),743()2009191mm50mm013115MPa2:13215R3070L/min015mzz=1z115z119()50cm(3),30s,,,,(4),(5),312+31211,,120,15,3080mm6mm,3m,40cm,1015(5),,40m[5-7]31212,,,,,6313,,,,,,,,,,,,,31311,110m,6,110m,8432009()31312(1):=na(1+):;n,3040%;a,50%;,20%:=na(1+)=014015(1+012)=012425%(2):Q=V:Q;V,0175m;Q=V=01750175311425%=0144m3/m01400144m3,:,1020L/m;,(015m)58;,,,015115MPa,,110MPa5min,943()2009731431411,,,8,,015m,30m,,110cm/s831412,[8],,8(1),,015m,113m,019m111m(2):Q=KSL:Q;K,kg/m3,K=018,K=017;L,110m;SS=19123m2,S=19123m20532009():Q=1513kg,Q=13155kg(3),,,,:q=kawl:q,kg;l,m;k,kg/m3;a,m;w;:q=1106kg/m,q=0154kg/m4,,,,,FLAC3D411,,,,,60m,40m,37m(10m)9,27660,29097,,,,,[9]412(1)-,;(2);(3),1m,5m;(4),9;,;(5);(6)413[10](1),(1011);153()2009(2),,31%(1213)4146,8,2,:9,3(D49D50D51)14,:D50,36167mm,D49D51;,,,,,715,:D50,3115mm,,;,;,145,,,,,,,15(1),,,(2)3D(D),,,,30m[11](3),2532009(),,,5m,,,,,011(4),,,,,,,,(5),(),,(6),,,(7),,,(8),,,:[1],.()[J].(),2007,(2):22-24.[2],,.[J].,2006,150(8):24-25.[3].[J].(),2004,7(10):46-47.[4].[J].,2007,(2):43-45.[5].[J].,2005,:261-262.[6],,,.[J].,2006,27(4):47-48.[7],,.[J].,2006,(8):58-60.[8].[D].:,2004,6:19-28.[9],.[J].,2005,24(12):2176-2181.[10],,,,.[J].,2004,37(4):93-98.[11].[J]./,2005,(2):26-29.353