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c30混凝土强度应该达到多少
更新时间: 2021-08-27 14:49:53  

c30混凝土强的抗压强度要达到34.5Mpa以上。等级是按照立方体的抗压强度等级标准进行划分的,国家上使用C来表示混凝土的强度等级,计量单位是MPa。C60以下的混凝土在测试强度的时候是用10mm的立方体作为试件,在标准条件下养护28天后的抗压强度最为标准,低于30Mpa的混凝土就要降低一级。并且在养护期间抗压强度是在不断增大的,例如七天的时候强度应该达到15Mpa。

关键词: c30 混凝土 强度 应该 达到 多少

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