发布时间:2025-01-31 05:13:40
基础做一个评定,基础以上也做一个评定.基础3组,主体结构6组,小于10组的采用非数理统计进行评定.
平均值≥规定混凝土强度×1.15
还要满足 最小值≥规定混凝土强度×0.95
基础强度例如:20 ;25 ;20
平均值21.7
21.7≥15×1.15
20≥15×0.95
装修一年了检测甲醛合格可关窗后客厅依然有异味卧室没味怎么回事呢
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