TMD控制优化设计及振动台试验研究  

Optimal TMD design and shaking table test

作　　者：李创第[1] 黄天立[2] 李暾[1] 邹万杰[1] 方重[2] 林志兴[2] 

机构地区：[1]广西工学院,广西柳州545006 [2]同济大学,上海200092

出　　处：《土木工程学报》2006年第7期19-25,共7页China Civil Engineering Journal

基　　金：广西青年科学基金(0007009);教育部国家重点实验室访问学者基金[教技司2000(123)号];广西自然科学基金(0481001);广西科学基金(0575021);广西教育厅科研项目(20050852)

摘　　要：以Kanai-Tajimi谱作为理论分析和振动台试验的地震激励模型,在运用复模态法获得多自由度带TMD结构随机地震响应解析解的基础上,对TMD结构参数的优化取值问题进行系统的理论与试验研究,运用常规的和基于动力可靠性约束的两种优化设计方法,得出TMD结构的优化参数取值,并通过一个三层2m×2m×6m的大尺度TMD减震结构模型的振动台试验,检验优化设计方法的有效性,该方法可用于基础隔震结构、带TLD减震结构以及带TMD、TLD抗风结构的优化设计。The Kanai-Tajimi spectral density is taken as the model of earthquake excitation for theoretical and experimental studies, and analytical solutions for random earthquake response of structures with TMD are derived by using the complex mode method. On the basis of the analytical solutions, the optimal parameters of TMD are theoretically and experimentally studied. The optimal parameters of TMD are obtained by using the general optimum design method and the optimum design method with dynamic reliability constraints. The validity of the optimal parameters is verified through a shaking table test of a three-storey 2m × 2m × 6m large-scale model with TMD. This method can be employed in the optimal seismic design of base-isolation structures, the structures with TLD, and in the optimal wind-resistant design of structures with TMD or TLD.

关 键 词：TMD 复模态 随机地震响应 动力可靠性约束的优化设计 大型振动台模型试验 

分 类 号：TU311.3[建筑科学—结构工程]