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局部设缝T形与L形截面短肢剪力墙抗震性能试验研究

, PP. 27-38

Keywords: 设缝,短肢墙,延性,耗能,滞回曲线

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Abstract:

分别对4片T形及4片L形截面短肢剪力墙试件,其中各有两片局部设缝,进行了低周水平反复加载试验,结果表明,传统不设缝试件的滞回曲线不对称,延性及耗能较差;局部设缝试件的滞回曲线大致呈对称分布,正反向加载滞回环面积大致相等,且明显大于不设缝试件,设缝试件的极限位移远大于传统不设缝试件,因而设缝试件延性耗能均较不设缝试件有明显提高。此外,局部设缝试件承载能力及其弹性等效刚度相对传统不设缝试件分别下降5%与6%左右,但能满足工程要求。

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