平面L形高层建筑的扭转效应分析及对策  

Torsional Analysis and Countermeasures for High-Rise Buildings with L Shape Plan

作　　者：马升东[1] 周德源[1] 孙良宏[1] 

机构地区：[1]同济大学,上海200092

出　　处：《结构工程师》2005年第1期10-13,17,共5页Structural Engineers

摘　　要：平面L形高层建筑结构的刚度中心与质量中心偏离较大,在水平地震作用下平移振动与扭转振动扭耦合。分析由于耦合导致扭转效应动力增大的主要因素。Torsional and lateral vibration of a high-rise building with L shape plan under earthquake will couple because of large distance between center of stiffness and center of mass. Main factors to enlarge the torsional response induced by coupling action are analysed. The countermeasures to reduce the torsional effect are provided through the examples.

关 键 词：扭转效应 高层建筑结构 水平地震作用 刚度中心 工程实例 质量中心 平面 扭转振动 动力 平移 

分 类 号：TU973.2[建筑科学—结构工程]