双跨框支密肋壁板结构墙梁中托梁内力系数分析 ANALYSIS OF THE INTERNAL FORCE COEFFICIENT OF THE TRIMMER BEAM OF TWO-SPAN FRAME-SUPPORTED MULTI-IUBBED WALL BEAM.pdfVIP
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双跨框支密肋壁板结构墙梁中托梁内力系数分析 丁永刚 贾英杰 袁 泉 姚谦峰 (河南工业大学土木建筑学院 郑州450052)(北京交通大学土木建筑工程学院 北京 100044) 摘要:考虑墙梁跨长比、托梁高跨比、墙体高跨比诸因素,采用正交试验设计,通过对双跨框支密肋壁 板结构墙梁有限元计算结果的直观分析和方差分析,对其托梁内力的影响冈素进行了显著性分析.并考察了 墙体洞口位置对托梁内力的影响,住此基础上,利用回归分析得到了考虑墙梁组合作用的托梁内力系数。 关键词:框支密肋壁板结构墙梁托梁 洞口 内力系数 ANALYSISOFTHEINTERNALFoRCECoEFFIC¨£NToFTHETR玎汀MERBEAM oFTWO.SPANFRAME.SUPPoRTEDMULTI.IUBBEDWALLBEAM DingYonggang ofCivil andArchitecture,Henanof 450052) (School Engineering UniversityTechnologyZengzhou Jia Yuan Yao Yingiie Qnan Qianfeng ofCivil and (School Engineering University 100044) Architecture,BeijingJiaotong Beijing thefactorsof of wall ratioofthetrimmerbeamand ratiothe Abstract:Consideringspan-to—span beam,height—to—span ratioofthe of multi—ribbedwallbeamisdoneandthe wall,the height—to-span orthogonaldesigntwo-spanframe—supported forcesofthetrimmerbeamsarecalculatedwithfiniteelement thevisual andvariance internal method.Throughanalysis ofthe ofthefactors theinternalforceofthetrimmerbeamis results,the done.and analysis significanceanalysis influencing theinfluenceofthe inthewallisalso internalforcecoettlcienlofthetrimmerbeamis openingposition studied.Then,the obtained throushregressionanalysis. multi—ribbedwallbeamtrimmerbeam internalforcecoefficient Keywords:frame—suppoaed
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