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混凝土塌落度规范范围

更新时间: 2020-12-15 16:32:05     

(1)砼强度等级小于C50时,坍落度应小于180毫米,强度等级大于C50时,坍落度应大于180毫米。(2)规定的砼坍落度小于40毫米时,允许偏差±10毫米,规定的砼坍落度50~90毫米时,允许偏差±20毫米,规定的砼坍落度大于100毫米时,允许偏差±30毫米。(3)砼坍落度检验取样频率应与砼强度检验取样频率一致。(4)混凝土坍落度的施工要求应具体根据施工签订的合同执行。

关键词: 混凝土 塌落 规范 范围

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