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拆模的试块如果3天能达到强度，压出来的试块数值有效吗？ - 工程施工 - 项目管理 - 氿上知道
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满意答案
2、拆模试块的作用是了解砼结构的强度是否达到规定允许拆模的强度。（GB50204规定：跨度大于8m的梁，应达设计强度的100%、小于等于8m的梁，
应达设计强度的75%以上、悬臂构件应达100%时，方可拆模。
3、砼结构强度的评定，以标养试块和同条件试块的数据为准。因此，拆模试块的数据是判断是否可以拆模的参考，不能作为评定依据。
4、你说三天即达到设计强度，一般情况下是不可能的，除非特殊砼。
5、标养试块是经28天标准养护后试压，同条件试块是在与现场构件
相同养护条件下，达到400度*天时试压。
郁可唯
回答于：2013-12-17
共2条回答