土木在线论坛 \ 建筑结构 \ 混凝土结构 \ 剪力墙墙厚到达一定厚度后使用多排钢筋几点疑惑

剪力墙墙厚到达一定厚度后使用多排钢筋几点疑惑

发布于：2011-12-22 11:32:22 来自：建筑结构/混凝土结构 [复制转发]

1、高规7.2.3墙厚大于400，小于等于700宜采用三排筋，个人认为这个针对的是边缘构件以外的墙体水平和竖向分布筋。
边缘构件没必要3排筋，除非是整个墙体包起来配筋的需要考虑。
2、针对7.2.3条高规的解释是怕墙体中部出现大体积素混凝土，引起裂缝，截面应力分布不均匀。那就有个问题，我们有些柱子截面比如1mX1m或者更大，我们钢筋也是配在周边，那样中间不是有出现所谓的大体积素混凝土现象。如果说我们有布置箍筋了可以增加延性，那我们剪力墙是不是也只要水平分布筋按多排钢筋布置，竖向分布筋没必要了呢？
欢迎讨论，谢谢！！

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全部回复（55 ）

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qq_1479266612278 沙发

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2017-03-26 21:32:26
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qq_1479266612278 板凳

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2017-03-26 21:19:26
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