发布时间:2025-01-31 05:22:28
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
我家地热不热找过供暖公司也白找根本不给烧想问问有什么方法或设备能自己加热的求教
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