《盾构法隧道施工与验收规范》GB50446_2008

GB5044622008(,100037)[]GB50446220082008209201,201117,,[];;;;[]U455.43[]A[]100228498(2009)0120014204OverviewofCodeforConstructionandAcceptanceofShieldTunnellingMethodGB5044622008DuWenku(BeijingUrbanEngineeringDesign&ResearchInstituteCo.,Ltd.,Beijing100037,China)Abstract:Nationalcode,CodeforConstructionandAcceptanceofShieldTunnellingMethodGB5044622008,hasbeenimplementedonseptember1in2008.BasedondevelopmentofshieldtechnologyandcodesinChina,compilationbackgroundandprocessofthecodeareintroduced.Thecodedefinestwentytermsaboutshieldconstruction.Itselevencompulsoryprovisionsandmaincontentsinseventeenchaptersareemphasized.ThecodetakesshieldconstructioncodesinJapanandEuropeasreferences.Itisproposedthatdevelopmentofshieldconstructiontechnologyispromotionforimprovementofshieldandtechnologyrenovation.Therefore,codeforshieldtunnellingmethodwillbereformedwiththedevelopmentofconstructiontechnology.Keywords:shieldtunnellingmethod;constructioncode;acceptancecode;compilationbackground;maincontent[]2008211219[],,,5100037,:[phone],E2mail:[e-mail]1200,20601961,,(412m)(10m)(1113m)(5164m)(4136m),,1966,1968,711m,87m,19911,7,,,,,,,,1815km,CMC,(),,1100m,1996,,,,,,,,,,,20005,,14CONSTRUCTIONTECHNOLOGY20091381,,,15147m,300,3P42([1986]2630),GB502992199919992062101999210201,,DGJ082233219992001,3GB50446220082005()([2005]84),GB5044622008()2004203217,,,,,,2005210226,,,,,2008203231,2008209201417:;;;;;;;;;;lv;lw;lx;ly;lz;l{;l|,,()(),4112000,,,20,:412,331,11,313%1)310110,2)3101113)411144)51115,5)51116,,6)61411,7)71915:,;;,;;;71915(1)8)121011,,9)151112,10)1514142P3,,2009No.1:GB5044622008151Table1WorkingtimeinchamberPMPaPhPminPmin0101011351061401130117415724011701255310951:24h111)161011GB50204220024131)3,100%,95%2)43)54)6,,:,;;,;,5%;151,61712215)786)9:,012mm;,;;91414(2);91415(2)2Table2AllowabledeviationofparametersandtestmethodsinsegmentassemblingPmm50751001P50751001P5D6D8D4P5684P6791P:D,:mm7)10,,()8)119)12,:;32;90dB;(),,3m3Pmin,0125mPs;10)1311)1412)15,:();()13)16,1638161012;14)17(3):,;;,3Table3TunnelsallowabledeviationPmm10015015010100150150106D8D10D101012154P1517201P:D,:mm4141),,,2)(),,,3)4),,,,,,,()200,,,,,,,,,,,(),,5),,,,8,,,,,150m,,,250m,,91152m,187MPa,,,,,6),,,,,,,,7),,,,,GB50446220082009No.1:GB504462200817