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楼板支座负筋要不要弯钩？ - 工程施工 - 项目管理 - 氿上知道
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1、首先应满足规范规定的锚固长度要求；
2、光面钢筋也就是HPB235级钢筋末端应做180°弯钩，弯后平直段长度不应小于3d，但作受压钢筋时可不做弯钩；
3、带肋钢筋就是HRB335级、HRB400级钢筋及RRB400级余热处理钢筋，当直线锚固满足规范要求时可不用弯钩