试题与答案

已知混凝土试拌调整合格后各材料用量为:水泥5.82kg.砂子9.2kg,石子18.6

题型:问答题

题目:

已知混凝土试拌调整合格后各材料用量为:水泥5.82kg.砂子9.2kg,石子18.6kg,水4.5kg。并测得拌和物表观密度为2410kg/m3
(1)求其基准配合比(以1m3混凝土中各材料用量表示)。
(2)若采用实测强度为45MPa的普通水泥、河砂、卵石来配制,试估算该混凝土的28d强度。(A=0.46,B=0.07。)

答案:

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