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采用HBTA和ETABS软件对重庆万豪国际会展中心两种结构方案(框架-支撑全钢结构与钢-混结构)分别进行弹塑性分析,并对分析结果进行对比。通过弹性时程分析、静力弹塑性和弹塑性时程分析,对两种方案的弹性和弹塑性性能进行研究。结果表明,两种结构方案均能满足我国《建筑抗震设计规范》(GB 50011—2001)中“小震不坏、中震可修、大震不倒”的设防目标。同时对两种结构形式的抗震性能进行了比较。
Elastic-plastic analysis of two kinds of structural schemes (frame-supporting all-steel structure and steel-mixed structure) of Chongqing Marriott International Convention and Exposition Center is carried out by using HBTA and ETABS software respectively, and the analysis results are compared. The elastic and elasto-plastic properties of the two schemes are studied by elastic time history analysis, static elasto-plasticity and elasto-plastic time history analysis. The results show that the two kinds of structure schemes can meet the fortification goal of “Earthquake-resistant Design Code” (GB 50011-2001) in our country, “little earthquake is not bad, moderate earthquake can be repaired, big earthquake does not fall”. At the same time, the seismic performance of two kinds of structures are compared.