•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?ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡答:ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
水泥:300(1+5%)=315 kg/m3ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
水:ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
150 (1+5%)=157.5 kg/m3ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡配合比ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
(1)ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
单位用量表达方式:ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
水泥∶水∶砂∶石ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
315 ∶ 157.5 ∶ 600 ∶ 1200(kg/m3)ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
(2)相对用量表达方式ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
水泥∶砂∶石,W/C=ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡
1 ∶ 1.90 ∶ 3.81,W/C=0.50ôsû.Õ²Íöbbs.3c3t.com§e¼Ú³¡