高湍流度下超高层建筑的风致振动响应特性

cI|:1000-6869(2006)06-0094-07u /yY+洪海波1, 谢壮宁1, 顾 明2(1. hvr !“, h515063;2.6vr !SE L i, Z200092)K1: u ? ZE v0 k,s y#y o v0$ (、 YY r。TV :u Y . , #YYv;9 ,D /r1 AB f 。 o v0v Y, H99v Y9, 9 r “u9F7,D / O0)u 15.8% H y0G A, ri h。1oM:y;u ; k; r; V ? ms |:TU973.32 TU317.1 DS M :AWind-induced vibration response of superhigh-rise buildingin high-turbulence flowHONG Haibo1, XIE Zhuangning1, GU Ming2(1.Department of Civil Engineering, Shantou University, Shantou 515063, China;2.State Key Laboratory forDisaster Reduction in Civil Engineering,Tongji University,Shanghai 200092, China)Abstract:Thewind-tunnel experiment of the Jin Mao building model in the higher turbulence flow was carried out by usinghigh-frequency-force base balance.The effects of the surrounding buildings including theWorld Financial CenterTower on themean load, dynamic load and wind-induced response are analyzed.The results show that turbulence has little effect on meanload, but has a strong effect on dynamic load and wind-induced response.Generally, the buffeting effects of the building interrain category D are much higher than those in terrain category B.The World Financial Center Tower has significantinterference effects on the Jin Mao building, and the effects decreasewith the increase of turbulence intensity of the approachflow.However, the interference effects arestill significant when the turbulenceintensity is 15.8%at thegradientwind heightin terrain category D.Keywords:super high-rise building;high-turbulence;wind tunnel test;interference effect;high frequency force basebalance “:SE1 S “(50478118)。Te: Zo(1981- ), 3, g 。4 YV Eu v0 k,XD1 Bsyy r, V/+ :(1) E u ZSE?Syp ,X v0 ku #S?S P c。(2) ( M f /,8 kTX kT zB,Vu Yv,u #MY 1Mu M, 1。(3)y,_r# V ? _ f 9 i。(4)M17,CHy 8 v0Y A,y o 5 v0 EsAr r,99v v0 Y。 r u 9F7,D G A, ri h 。 I D 1 Khanduri A C , Stathopoulos T , Bedard C.Wind-inducedinterference effects on buildingsA review of the state-of-the-art J .Engineering Structures,1998,20(7):617-630. 2 Ho T C E.A study of wind effects for the JinMao buildingproject R .Shanghai, ChinaFinal Report, BLWTSS1,WesternOntario University, Canada,1994. 3 ,$ ,f. Z v0 J .y,1999,20(6):63-68. 4 $ ,f. ? ZE v0 Y J .y, 2000,21(4):55-60. 5 GB 500092001 y?SS. 6 a. 8y D .6v,2003. 7 Tschanz T , Davenport A G.Thebase balance technique forthedetermination of dynamic wind loads J.Journal of WindEngineering and IndustrialAerodynamics, 1983,13(