大底盘双塔连体结构的能量分析研究  被引量:1

ENERGY RESEARCH OF ENLARGED-BASE TWIN-TOWER WITH CONNECTIVE STRUCTURES

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作  者:王军军[1] 彭泽靖 董小凤[1] 

机构地区:[1]西北工业大学力学与土木建筑学院,西安710129 [2]中联西北工程设计研究院有限公司,西安710003

出  处:《工业建筑》2015年第6期77-81,92,共6页Industrial Construction

摘  要:针对大型复杂结构的能量分析问题,采用SAP 2000建立大底盘双塔连体结构模型,利用MATLAB和SAP 2000的接口程序对其进行弹性能量分析,给出结构能量反应和单自由度体系能量反应之间的关系,以此分析结构的振型分解能量和建立能量反应谱,研究结构在三维地震作用下的弹塑性能量反应,并与无连体的情况进行比较。研究表明:振型分解能量分析法可以快速、有效地估算结构的能量反应,连体结构的抗震性能在一定程度上优于无连体结构。For the energy analysis problem of large and complex structures,SAP 2000 was used to established a model of the enlarged-base twin-tower with connective structures,and elastic energy analysis was carried out by using the corresponding program of MATLAB and SAP 2000,and gave the relationship between the structural energy response and the energy response of a single degree of freedom system was given in order to carry out a structural vibration modal decomposition energy analysis and build an energy response spectrum. It was studied the elasticplastic energy response of the structure under the action of three-dimensional seism,whose result was compared with that of the case without connected structures. The studies showed that the vibration modal decomposition energy analysis method could quickly,efficiently estimate the energy response of structures,and the aseismic performance of a connecting structure was better than non-connected structure in a certain extent.

关 键 词:大底盘双塔连体结构 振型分解能量分析 能量反应谱 三维地震 抗震性能 

分 类 号:TU973.31[建筑科学—结构工程]

 

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