高层隔震结构高宽比限值研究  

Study on height-width ratio of high-rise isolated buildings

作　　者：祁皑[1] 徐翔[1] 范宏伟[1] 

机构地区：[1]福州大学土木工程学院,福州350108

出　　处：《建筑结构》2013年第6期50-53,44,共5页Building Structure

基　　金：福建省科技厅重点项目(2007Y0025)

摘　　要：当高层隔震建筑遭遇强震作用时,橡胶隔震支座容易产生拉应力或压应力超过容许值,使结构产生倾覆破坏。为防止高层隔震结构发生倾覆破坏,采用三质点等效模型推导出多振型高宽比限值计算公式,并给出相应的高宽比限值。研究表明,与单质点高宽比计算公式相比,按推导的多振型高宽比公式计算所得的高层隔震建筑高宽比限值更为安全可靠。When encountered a strong earthquake,the tensile or compressive stress of the rubber bearing may exceed the allowable value,which may lead to overturning damage of the building.In order to prevent this terrible damage,the equivalent three-particles simplified model was adopted to deduce the multi-modes height-width ratio explicit formula and relevant height-width ratios were given.Compared with the height-width ratios of one-particle model formula,those calculated by multi-modes formula are more safe and reliable.

关 键 词：高层隔震建筑 倾覆破坏 三质点等效模型 多振型高宽比公式 

分 类 号：TU352.12[建筑科学—结构工程]