近场地震作用下密肋耗能复合墙结构地震响应分析  被引量:3

Seismic response analysis of multi-ribbed energy-dissipated composite wall structure of near-field ground motions

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作  者:贾穗子[1] 姚谦峰[1] 

机构地区:[1]北京交通大学土木建筑工程学院,北京100044

出  处:《北京交通大学学报》2011年第4期88-92,共5页JOURNAL OF BEIJING JIAOTONG UNIVERSITY

基  金:国家自然科学基金资助项目(50878021);国家"十一五"科技支撑计划项目资助(2006BAJ04A02-05)

摘  要:通过非弹性动态方法,改变控制参数的结构,输入不同近场地震波,进行地震响应分析.利用非线性有限元程序IDARC,建立密肋耗能复合墙结构简化分析模型,对同等条件下的密肋耗能复合墙结构与框架剪力墙结构,在近场地震作用下的典型层滞回曲线及结构耗能分布系数,进行对比分析.结果表明:在近场地震作用下密肋耗能复合墙结构,表现出良好的耗能减震能力,是一种较理想的新型抗震结构体系.The non-elastic dynamic method is used in the seismic response analysis of structure with varied controlling parameters subjected to differential near-field ground motions. IDARC was employed to establish the simplified analysis model of multi-ribbed energy-dissipated composite wall structure. Under the same conditions, the hysteretic curve of typical layer and coefficient of energy distribution of multi-ribbed energy-dissipated composite wall structure and frame shear-wall structure are compared in the near-field ground motions. The results show that the structure has a good performance of energy dissipation and vibration reduction for near-field ground motions and it is a new ideal aseismic structure system.

关 键 词:近场地震 密肋耗能复合墙结构 地震响应分析 耗能减震 

分 类 号:TU352.1[建筑科学—结构工程]

 

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