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GUANGDONGARCHITECTURECIVILENGINEERING201377JUL2013No.71,,、,,,,,,,。[2~4]。5,T2,397.1m,428m,88,;T3260m,65,。,,,。(HFFB),T2,。22.1CGB-1,1∶500,1mm,、,200g。625m,,,1、,10°,36,2。2.279.5cm(397.1m),12ms,500Hz,15000。、梁萍1许伟2(1、东莞市民盈房地产开发有限公司广东东莞523073;2、广东省建筑科学研究院广州510500):本文对国贸中心综合体T2主塔楼进行现有周边建筑和未来规划建筑两种情况的高频天平测力试验(HFFB),分析它在两种不同周边建筑情况下的等效静风荷载及风振响应。结果表明,未来规划建筑的建造使得结构风荷载或大于或小于仅考虑现有周边建筑时,两种周边建筑情况下结构顶层加速度峰值均满足JGJ3-2010关于办公建筑的人体舒适度要求。:高层建筑;风洞试验;等效静风荷载;风振响应;干扰效应WindTunnelTestofaMainTowerofUrbanComplexLiangPing1XuWei2(1、DongguanMinyingRealEstateDevelopmentCo.,Ltd.Dongguan523073,China;2、GuangdongProvincialAcademyofBuildingResearchGuangzhou510500,China)Abstract:HighfrequencybasebalancetestofGuomaoCentercomplexT2buildingisintroducedinthispaper.Thetestconsidertheexistingsurroundingbuildingsandthefuturesurroundingbuildings,windloadandwind-inducedresponseofthebuildingisresearchedintwodifferentconditions.Researchresultsshowthat,comparedwiththestructurewindloadofexistingsurroundingbuildingsHFFBtest,thestructurewindloadofthefuturesurroundingbuildingscanbehighandsmall,thetopstoryaccelerationintwodifferenttestmeettherequirementofJGJ3-2010.Keywords:high-risebuilding;windtunneltest;equivalentstaticwindload;windresponses;interferenceeffect215訳訴CmzCmyCmxCfyCfx050100150200250300350-0.8-0.6-0.4-0.20.00.20.40.60.8°CmzCmyCmxCfyCfx050100150200250300350-0.8-0.6-0.4-0.20.00.20.40.60.8°479.5cm(397.1m)10-310-210-110010110210310-410-310-210-1100HarrisDavenportKaimalKaman3C訳訴UUgzm00.20.40.60.811.20.100.20.30.40.50.60.70.80.91.0Iuzm00.10.20.30.100.20.30.40.50.60.70.80.91.01訳訴:JUL2013No.7201377C,、3,UIuz。4。3,500.493kNm2,0.035;100.319kNm2,0.01。3.1,,,,,:CFx=Fx(w·a)CFy=Fy(w·a)CMx=Mx(w·a·h)CMy=My(w·a·h)CMz=Mz(w·a·h)⑴:CFx;CFy;CMx;CMy;CMz。5。5a,,Fx、Fy、60°、210°80°、240°;Mx、My、120°、280°20°、210°。5b,,Fx、Fy、50°、210°80°、250°;Mx、My、70°、280°30°、200°。,,T2、,±5%,,。3.26、7,T2X、Y。,,T2X80°,Y110°;。2T5x270°y90°0°180°NT4T3T2T1221()(%)(ms2)axay11.000.0280.03151.000.1050.086101.000.1610.10911.000.0240.03551.000.1110.098101.000.180.1078訴Fy訳FxkN15030045060075090020406080kN15030045060075090020406080JUL2013No.7201377,T2。3.3,,8。,X,5%。8b,,Y,5%。,,T2,。,,,,。3.4T2,1,,1,X1.43%,Y1.3%;5,X5.7%,Y13.95%;10,X11.8%,Y1.83%。,T2,。JGJ3-2010,100.20ms2,0.18ms2,。4,T2(),。:⑴T2、,±5%。⑵,,T2。⑶,,,,。⑷JGJ3-2010。(5)6()訳Mx訴My×109050100150200250300350-4.0-2.04.02.06.0°Mx-minMx-miaxMx-mean0.0×109050100150200250300350-4.0-2.04.02.06.0°0.0-6.08.010.07()訳Mx訴My×109Mx-min050100150200250300350-4.0-2.04.02.06.0°Mx-miaxMx-mean0.0×109My-min050100150200250300350-4.0-2.04.02.06.0°My-miaxMy-mean0.0-6.08.010.0Mx-minMx-miaxMx-mean232[1~2]126.49605.68776.47675.68056.53005.70986.49415.70004.23544.25164.24374.2749T3T1(0.85)0.6520.6560.6500.658(kN)XY1895418172190131830318766181241884418177(kN)XY1848027375184802737518480273751848027375(t)170572170585170360170366(kNm2)16.116.116.116.1()(%)(1.02)XY1.111.071.111.071.101.071.111.07(kN·m)XY29054862537948291736025672612872530253433128890042543880(kN·m)XY27991774167061279917741670612799177416706127991774167061(%)(90%)XY96.695.296.695.296.695.296.695.2()(1500)XY11290(38)1577(41)11294(38)1581(41)11283(38)1573(41)11290(38)1580(41)()(1500)XY11006(39)1801(47)11006(39)1798(47)11006(39)1795(47)11007(39)1802(47)()(1.4)XY1.13(2)1.25(2)1.13(2)1.26(2)1.13(2)1.25(2)1.13(2)1.26(2)90%()XY0.989(30)1.026(29)0.989(30)1.026(29)0.989(30).026(29)0.988(30)11.026(29)80%()XY0.87(3)0.87(3)0.86(3)0.87(3)0.87(3)0.87(3)0.86(3)0.88(3)EJdGH2XY2.071.652.071.662.061.642.061.661、2T1T21T3JUL2013No.7201377(),。,,(),,,,,。[1]GB50011-2010[S][2]JGJ3-2010[S]!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!![1]GB50009-2010[S][2],,.3[J].,2004(9)[3],,.[J].(),2009(3)[4]AisheZhang,MingGu.Windtunneltestsandnumericalsimulationsofwindpressuresonbuildingsinstaggeredarrangement[J].JournalofWindEngineering,2008[5],,,.[J].,2010(8)[6],,..[C],2011(23)5
本文标题:城市综合体主塔楼风洞试验研究
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