•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?HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%答:HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
水泥:300(1+5%)=315 kg/m3HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
水:HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
150 (1+5%)=157.5 kg/m3HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%配合比HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
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HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
(1)HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
单位用量表达方式:HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
水泥∶水∶砂∶石HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
315 ∶ 157.5 ∶ 600 ∶ 1200(kg/m3)HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
(2)相对用量表达方式HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
水泥∶砂∶石,W/C=HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%
1 ∶ 1.90 ∶ 3.81,W/C=0.50HÕ¦$XLûbbs.3c3t.comÌ9Üob¯*%