无锡太湖新城CBD三期主塔楼超限结构设计

来源 :第五届全国建筑结构技术交流会暨首届全国青年结构工程师论坛 | 被引量 : 0次 | 上传用户：myplucky

【摘要】

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【作者】

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刘克勋赵杨

【机构】

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上海中森建筑与工程设计顾问有限公司,上海200120

【出处】

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第五届全国建筑结构技术交流会暨首届全国青年结构工程师论坛

【发表日期】

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2015年3期

【关键词】

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超高层建筑框架-核心筒结构抗震设计屈曲稳定性弹塑性分析

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无锡太湖新城CBD三期项目由一座超高层塔楼和南北裙房组成,其中塔楼结构高度169m,采用框架-核心筒混合结构抗侧力体系(24层以下采用型钢混凝土柱).该塔楼存在水平与侧向刚度分布不规则、竖向构件不连续及首层层高较大等常见结构形式中的特殊问题. 本文首先详细介绍了采用的结构方案、性能指标及其原因;然后在分析该结构基本动力特征的基础上,采用不同软件进行弹性时程分析及弹塑性推覆分析,验算结构竖向构件的抗震性能;最后采用MIDAS软件进行楼板应力分析和屈曲分析,分别验算了楼板在小震和大震下的性能和结构的屈曲稳定.计算结果充分说明采用的结构方案及设计方法满足提出的性能指标,合理可行,并对同类项目具有一定的参考意义.

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无锡太湖新城CBD三期主塔楼超限结构设计

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