某超限高层建筑结构的抗震性能设计
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摘要
某工程采用了混合框架(钢管混凝土柱+钢梁)-核心筒结构体系,采用基于性能的抗震设计方法,对于不同水准下的抗震性能目标进行了小震弹性分析,中震弹性及不屈服验算,以及大震下弹塑性分析,并采取了加强措施,使结构能够达到预定的性能目标,还进行了风洞试验和风荷载下的结构计算。
Hybrid framework(concrete filled steel tubular column and steel beam)-tube structure system is adopted in one ultra-limit high-rise building. Performance based seismic design was proposed. For the seismic performance objectives under different levels,the elastic analysis under frequent earthquake,un-yielding and elastic check under medium earthquake,dynamic inelastic analysis under rare earthquake were taken. Series of relevant were suggested to make sure the performance object can be well realized. Besides,wind tunnel test and Calculation of the structure under wind load were also considered.
引文
[1]GB 50011-2010建筑抗震设计规范[S]
    [2]GB 50009-2012建筑结构荷载规范[S]
    [3]JGJ 3-2010高层建筑混凝土结构技术规程[S]
    [4]Skidmore,Owings&Merrill LLP,广州市设计院.广州琶洲村地块四改造项目超限高层建筑抗震设防审查报告[R],2012
    [5]季静,黄超,韩小雷等.基于性能的设计方法在超限高层建筑结构设计中的应用研究[J].世界地震工程,2007

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