【摘要】 通过不同的计算方法,不同的地震激励方向,单维与多维地震响应等内容的研究,探讨了常州体育馆椭圆形索承单层网壳结构在地震作用下的内力及位移响应的特点,特别对比了屋盖单体模型与屋盖同下部混凝土框架结构组成的整体模型的地震响应。分析结果表明,椭圆形索承单层网壳短轴杆件的地震响应大于长轴杆件的,多数杆件在多维地震下的反应大于单维地震下的,应采用整体分析模型计算屋盖结构的地震响应。更多还原

【Abstract】 Through comparison of different calculation methods,different directions of earthquake excitation,one-dimensional and three-dimensional seismic analysis and other studies,the seismic responses of the elliptical cable-supported dome used in Changzhou Gymnasium were investigated.The seismic responses of the separated roof model and the integral model of the whole building were also compared.The results show that members at minor axis bear higher seismic response than those at major axis,three dimensional seismic response is higher than one-dimensional’s,and analysis using integral model of the whole building is preferred than the separated roof model.更多还原