•当初步配合比是300:150:600:1200(kg/m3)时,拌合混凝土进行工作性检验,发现坍落度偏低需增加5%的水泥浆,问调整后的混凝土配合比是多少?ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o答:ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
水泥:300(1+5%)=315 kg/m3ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
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水:ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
150 (1+5%)=157.5 kg/m3ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
配合比ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
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(1)ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
单位用量表达方式:ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
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水泥∶水∶砂∶石ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
315 ∶ 157.5 ∶ 600 ∶ 1200(kg/m3)ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
(2)相对用量表达方式ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o
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水泥∶砂∶石,W/C=ê®M²Ý÷Cbbs.3c3t.comÊÍ»Ãî¢o