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岩溶地区农房RC框架结构的抗震加固研究

, PP. 45-52

Keywords: 岩溶地区,RC框架结构,抗震加固,数值模拟,有限元分析

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Abstract:

岩溶地区特殊的地质条件,使低矮楼房在地震作用下破坏严重,所以加强岩溶地区农村建筑的抗震加固研究有重要意义。本文以岩溶地区农房RC框架为研究对象,在综合分析岩溶地区地震特点和农房RC框架结构损伤破坏机理的基础上,提出采用增加支撑来加固农房RC框架结构的方法。运用有限元数值模拟方法,分析了三种型式的支撑加固方案在地震作用下损伤破坏过程。研究表明采用“A型”支撑的加固效果要好于采用“X型”支撑的加固效果,采用“X型”支撑的加固效果要好于斜撑的加固效果。

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