问题详情

混凝土计算配合比为1∶2.13∶4.31,水灰比为0.58,在试拌调整时,增加了10%的水泥浆用量。试求(1)该混凝土的基准配合比;(2)若已知以基准配合比配制的混凝土,每m³需用水泥320kg,求1m³混凝土中其它材料的用量。

时间：2022-04-02 18:27 关键词：桂林理工大学工程造价高起专建筑材料

答案解析

1、(1)已知混凝土的计算配合比为1∶2.13∶4.31,水灰比为0.58,试拌调整时,增加了10%的水泥浆用量,则混凝土的基准配合比为:<br/>C∶S∶G = 1.10∶2.13∶4.31 = 1∶1.94∶3.92,W/C =0.58<br/>(2)当C =320 kg/m³时,<br/>S=1.94×320=621(kg), G=3.92×320=1254(kg), W=0.58×320=186(kg)

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