控制超高层建筑桩筏基础筏板弯矩的方法

403201031,2,2,1,3,4,4(1,200092;2,200092;3,250101;4,200092)[],()2(),,,,2(),,[];;;;;Controlledmethodofmomentinraftofpiledraftfoundationforsuper2tallbuildingsChaoSi1,ZhaoXihong2,ZhangBaoliang2,JiangWenhui1,XiaoJunhua3,KongJuan4,YuanJuyun4(1ArchitecturalDesign&ResearchInst.ofTongjiUniv.,Shanghai200092,China;2ShanghaiXinhuaInternationalGeotechnicalEng.Co.,Ltd.,Shanghai200092,China;3ShandongJianzhuUniv.,Jinan250101,China;4TongjiUniv.,Shanghai200092,China)Abstract:Toensurethedesignedmomentinraftofpiledraftfoundationforsuper2tallbuildingscontrolledinsaferange,theback2analysisandthehybridmethodoninteractionbetweensuperstructureandfoundationwereusedtocalculatethemomentinraftofpiledraftfoundationforJinmaoBuildingof882storeyandShanghaiWorldFinancialCenterof1012storey.TherelativebendinginraftforShanghaiCenterTowerof1212storeybythehybridmethodwasdealedwith,andthenthemomentsinraftofpiledraftfoundationwerecalculatedbythreemethods:backanalysis,hybridmethodanditerativemethodoninteractionbetweensuperstructureandfoundation,respectively.Basedontheabovecalculatedresultsofmomentinraft,thecomprehensiveanalysisofmomentinraftofpiledraftfoundationforShanghaiCenterTowerismadeinordertoensurethedesignedmomentinsaferange.Keywords:super2tallbuilding;piledraftfoundation;raftmoment;back2analysis;hybridmethod;iterativemethod:,,,Email:[e-mail]010,:1997828,88();3,66();()2007914101;121()200846m,,,,1111,[1]r:r=wrPLR(1):wr;LR,tr,:ML=8rD1PL+rPB(2):r;L,B;D,:D=Ert3P12(1-2r)(3)Er:,112[2],,[3][5],,,,04,,:,,,,,,,,,,w=a0+a1xa+a2yb+mam0sinmxa+na0nsinnyb+mnamnsinmxasinnyb(m,n=1,2,3)(4):a,b;a0,a1,a2,am0,a0n,amn113[6],(JGJ942008)31118,222,,:([Kps]+[Kr]+[Kb]){}={P}(5):[Kr],Mindlin;[Kb],,;{}{P};[Kps],2,[Kps]{},,[Kps],,,1,,,,,,[Kps],,,,122,,,,22111:882,311:,,,.101.ComprehensiveStudyonFieldExperimentofPiledRaftFoundationForShanghaiWorldFinancialCentrewith1012storeyTheoryandPracticeonInteractionbetweenSuperstructureandFoundation()[M].2010.21111:t=410m,C50,2Er=34500MPa,r=01167(3)D=18927818MNm,3519m2(2)1,2,E2WN2S1998P05P252003P04P01,13460kNmPm314E2W(L=62114m)1PmmM9M8M7M6M5rP10-3MLPkNmPm1997P08P28344850493101281683891998P05P254770726845014184124642003P04P01528082754901506915100:1997828,1998828,1999828,2N2S(L=62135m)2PmmM12M10M7M4M2rP10-3MLPkNmPm1997P08P28314750443301288786001998P05P254768726646014090121842003P04P0152758275530147311409321112[7],4(a),13000,15000kNmPm,,15000kNmPm13460kNmPm42122:1015,3,4121211:t=415m,C50,Er=34500MPa,r=01167(3)D=26950015MNm6200m2(2)3,42007P07P302007P08P31,10850kNmPmE2W3Pmm1883151226rP10-3MLPkNmPm2007P6P279219896150951639517192126611172007P7P3073124941329711596100961869315962172013705118372007P8P317419395159981349716498100941776319901366811720:2007P6P27(34)F94,F91;2007P7P30(36)F97,F92;2007P8P31(38)F100,F954N2S4Pmm1462141022rP10-3MLPkNmPm2007P6P2767199911479611795163941769316674131013178101542007P7P306918793173961989610096103941767419601312099692007P8P31711579510698123971649713995182761180130939884:2007914,2008828,2008918,21212[7],4(b),9000,10300kNmPm(,60%,9000kNmPm),331120093(121),88101,56516m,8250m21m,86m()82m(),955,100m,30m65()65,;,5,31111,57:t=610m,C50,Er=4500MPa,r=01167,D=63881619MNm5311125,2410(d)-7480kNmPm,5-4528kNmPm,1165;27002kNmPm,514477kNmPm,1186117,5,,75PcmLPmrP10-3MLPkNmPm0=114()961001145894311=-0121()3010010700-45282=0147()21100122381447731113,12,5(1),,1315813175mm,4792548211kNmPm,,88()(2),t=610m,C50,D=63881519MNm,L=B=96m,6,47925kNmPm6PcmrP10-3MLPkNmPm71410177247925(3)9,86000kNmPm69,118,117118,9()312,,:8500m2,18,947,,86m,,82m,6m,,:8250m2,8,947,,82m,82m,,6m,:,,86m,82m10,7:1);2);3)1000kN,86m82m:10PkNmPm73360339042461027002200011000-7600-7480344:(1),,1200015000kNmPm,,,:37100kNmPm,38500kNmPm,(2),,82m,86m82m,10000kN,,86m,,1175,,,(3)48000kNmPm,5,86000kNmPm,:100000kNmPm,,5,,:(1)10,,,,,,,15000kNmPm(2),100000kNmPm,,,(3),,,,[1],.[M].:,1997.[2],.[M].:,1989.[3]ZHAOXH,etal.TheoryofDesignofPiledRaft&PiledBoxFoundationsforTallBuildingsinShanghai[M].Shanghai:TongjiUniversityPress,1998.[4],.[M].:,2006.[5].[M].:,2008.[6],.()[M].:,2010.[7],.101[J].,2007,28(8):169521699,1728.44