超高层建筑设计风荷载的选用

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、,,。。1“L”,,、(15m),39780m2,17.2m2,12.2m2。,6(30m)46(199.85m),、、、,43(1、2,3、4),-19.0m,()54.6m×35.5m,1.54,5.4。1。2PKPMSATWE()GSSAP15.0;PKPMPUSHGSSAP15.0GSNAP;ABAQUS。3,,,史文鋆王金锋(广东省建筑设计研究院广州510010):在超高层建筑的结构设计过程中,各种参数的使用和指标的控制十分重要,高层建筑对风力作用较敏感,使得风荷载的取值显得较为重要,本文将借助工程实例进行分析,供大家参考。:超限高层建筑;风洞试验;等效静风荷载GUANGDONGARCHITECTURECIVILENGINEERING201366JUN2013No.6WindLoadEstimationinHigh-riseBuidingDesingShiWenjunWangJinfeng(ThearchitecturalDesignandResearchInstituteofGuangdongProvinceGuangzhou510010,China)Abstract:Allkindsofparametersselectionandapplicationplaycriticalrolesinhigh-risebuildingstructuraldesign,especiallywindloadestimationisankeyparameterforwhichismoresensitivewithwindspeed.Inthisarticle,ahigh-riseconstructioncasewindloadanalysiswillbedescribedanddiscussedforyourreference.Keywords:high-risebuilding;windtunnelexperiment;equivalentstaticwindload(6)(46)(6)④輥輵訛髿102.2m62.90m訞鬁178.15m115.25m1262、270°90°180°0°:,。:①;②。《》4.2.7、4.2.9,,、、3,《》、《》、《》,。3.1,《》C,,。1∶300,,(2),,451。,,,,。SATWE,47,,1000.6kNm2,0.035,2.5。100.3kNm2,0.015,2.5。,C。,SATWE。1Y,2X,3。0°~360°15°24。⑴3,10ax=0.034ms2,ay=0.1000ms2(0.015,2.5)。,YX。Y105°,0.100ms2,《》3.7.60.150ms2。⑵4,100,YMy195°、240°My=(1.11,1.61)×109N·m;XMx195°、240°Mx=(-2.51,-2.04)×109N·m;My、Mx240°、195°;。,Y,,,,。3.2,,,。(42)JUN2013No.62013663訳X訴Y0.100.080.060.040.000.020306090120150180210240270300330360°0306090120150180210240270300330360°0.150.120.090.060.000.03m·s-2m·s-24訳Y訴X1.80E+0091.50E+0099.00E+0081.20E+0096.00E+0080306090120150180210240270300330360N·m°2.80E+0092.40E+0091.60E+0082.00E+0091.20E+0080306090120150180210240270300330360°N·m2732#44#JUN2013No.6201366⑵4#:4,,105,(-420~459)MPa,215.0MPa;39.5~40.9mm,115mm。4.333,24。55.1;,;,,,。5.2;,。5.3。5.4,;;;;,;;;。[1]GBT50344-2004[S][2]GB50009-2001[S][3]GB50292-1999[S][4]GB50017-2003[S][5]GB50205-2001[S][6]DG-TJ-08-2011-2007[S][7]JGJ81-2002[S][8]CECS148-2003[S][9]GBT706-2008[S]!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!2(kN)(100)(kN·m)(100)(50)(50)XYXYXYXY17388244951.86×1062.68×10612363(10F),11887(29F)1672(33F)12409184715311215801.64×106(240°)-2.46×106(195°)11886(10F),12137(29F)1716(33F)127021917,:①;②;2。4,,、、。、,,,、、。(27)42

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