高层建筑耦联风振响应分析

提出矩形塔式高层建筑三维风荷载模型和在三维风荷载作用下高层建筑耦联风振响应层间模型分析方法，并应用该方法对振型不同程度耦联的矩形塔式高层建筑加速度风振响应进行计算分析．分析结果给出了矩形塔式高层建筑的平动和扭转风振响应与振型耦联程度的关系，可为高层建筑的抗风设计提供参考．

Analysis of Wind induced Responses for Mechanically Coupled Tall Buildings

A 3 D wind load model for rectangular tower buildings and an analytic method based on storey element model to evaluate coupled responses of rectangular tower buildings under 3 D wind loads,are presented.Meanwhile this method is used to calculate and analyse the wind induced acceleration responses of rectangular tower buildings of which mode shapes are coupled each other in varying degrees.The calculation results show the quantitative relationship between wind induced translational,torsional responses and the degree of mode shape coupling of rectangular tower buildings,and the conclusions obtained are helpful for wind resistant design of tall buildings.