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装配整体式双肢剪力墙连梁抗震性能试验研究

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Keywords: 双肢剪力墙,装配整体式连梁,后浇带,套筒浆锚连接,拟静力试验,抗震性能

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Abstract:

为研究装配整体式连梁的抗震性能,完成了2个两层装配整体式双肢剪力墙试件的拟静力试验。2个试件的几何尺寸相同,配筋基本相同,区别在于组成连梁的一层预制窗上墙、后浇带与二层预制窗下墙之间,试件A采用单排钢筋套筒浆锚连接,试件B无此连接。试验结果表明2个试件的破坏形态相同,为连梁端部形成塑性铰,以整体弯曲破坏为主,连梁后浇带与二层预制窗下墙相对错动,连梁整体有剪切斜裂缝;2个试件的承载能力、刚度基本相同,极限位移角都大于1/90。装配整体式连梁是否采用钢筋套筒浆锚连接,其抗震性能均满足要求。

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