一方C30混凝土至少用几袋水泥！ 一方C30混凝土用多少水泥?
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1立方混凝土约等于2.488吨。一立方C30混凝土需要5.4袋水泥。
1袋水泥50公斤.
常见的现浇碎石C30混凝土配合比为325水泥:中砂:石子:水=0.53:0.348:0.845:0.22 。
C30混凝土：水：175kg；水泥：461kg； 砂：512kg ；石子：1252kg。
配制一方合格的C30混凝土，最少需要用6袋以上水泥，并且每方用水量不能超过200公斤。
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