非对称双塔连体结构柔性连接体系参数研究  

Connecting-Parameters Optimization of Unsymmetrical Double-Tower Flexible Connecting System

作　　者：彭文海[1] 谭平[1] 候家健[2] 周福霖[1] 

机构地区：[1]广州大学减震控制与结构安全国家重点实验室培育基地,广东广州510405 [2]广东省建筑设计研究院,广东广州510010

出　　处：《华南地震》2009年第1期8-16,共9页South China Journal of Seismology

基　　金：教育部博士学科专项基金(20061078001);广州市建设科技发展基金项目(2006)25

摘　　要：基于非对称双塔连体结构柔性连接体系的3自由度(3-DOF)力学模型,利用虚拟激励法分析了连接构件的频率比、阻尼比和质量比等参数对该复杂结构体系地震反应的影响。根据不同的控制目标,得到了非对称双塔连体结构柔性连接体系支座优化设计参数变化规律和连接参数的优化组合,可用来指导此类结构的减震初步设计。最后以某实际工程为算例进行数值分析,验证了优化理论的正确性。Based on a 3-DOF mechanical model of double-tower flexible connecting system, the effects of connecting substructures on the double-tower connected structure are considered and studied using the pseudo-exciting method. The effects of some connecting parameters, such as the connecting frequency ratio, connecting mass ratio and connecting damping ratio, are systematically analyzed in frequency domain. The optimal connecting parameters of the flexible connection system of double-tower buildings are obtained, which can be used to guide the connection design of complex structures in practical engineering. Finally, a numerical analysis is carried out based on an unsymmetrical double-tower connecting high-rise structure and the results confirm that the optimal analysis is effective.

关 键 词：地震反应 双塔连体结构 柔性连接 连接参数 参数优化 

分 类 号：TU973.31[建筑科学—结构工程]