地震作用下桥梁盆式支座抗震能力分析  

RESEARCH SEISMIC CAPACITY ANALYSIS OF BASIN BEARING OF BRIDGE UNDER EARTHQUAKE ACTION

作　　者：王菲 Wang Fei

机构地区：[1]中建二局第三建筑工程有限公司,北京100070

出　　处：《建筑技术开发》2022年第19期120-123,共4页Building Technology Development

摘　　要：以京秦高速东张庄特大桥为例,详细分析了单跨边梁在地震作用下的受力情况,并采用反应谱法进行了支座抗震分析验算,并分析了盆式支座在抗震中的能力,发现盆式支座具有较好的减震能力,在桥梁抗震上有较大意义。Taking dongzhangzhuang super large bridge of Beijing Qinhuangdao expressway as an example,this paper analyzes the stress of single span side beam under earthquake in detail,carries out the seismic analysis and checking calculation of bearing by using the response spectrum method,and analyzes the seismic capacity of basin bearing.The results show that the basin bearing has great seismic capacity,which will contribute to the seismic capacity of the bridge.

关 键 词：支座 抗震 地震力 

分 类 号：TU74[建筑科学—建筑技术科学]