钢筋混凝土桥墩延性分析与抗震能力评估  

Analysis on the ductility of reinforced concrete bridge piers and assessment on their anti-seismic ability

作　　者：武俊彦[1] 卢伟[2] 姜秀娟 

机构地区：[1]北京公科固桥技术有限公司 [2]北京路桥通国际工程咨询有限公司 [3]中交路桥技术有限公司

出　　处：《山西建筑》2010年第21期322-324,共3页Shanxi Architecture

摘　　要：以中震为切入点,对桥墩地震需求与抗弯能力计算进行了研究,并结合算例进行了分析,结果表明:根据桥墩中震需求能力比确定合理的桥墩截面和配筋率,可以保证大震激励下桥墩核心混凝土不破碎。With the mediate-degree earthquake as the starting point,the thesis studied the earthquake-proof requirement of bridge piers and the calculation of the ability of the anti-bend,and a series of analysis were done combining with specific examples.The result showed that according to the ratio of anti-seismic requirement of bridge piers for the mediate-degree earthquake to determine rational bridge pier section and reinforcement percentage,the core concrete of bridge piers would not be destroyed under the effect of big earthquakes.

关 键 词：桥墩 地震需求 抗弯能力 抗震性能 

分 类 号：U442.55[建筑科学—桥梁与隧道工程]