•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?K2.qÌbbs.3c3t.com;Bn!UAS
K2.qÌbbs.3c3t.com;Bn!UASK2.qÌbbs.3c3t.com;Bn!UAS答:K2.qÌbbs.3c3t.com;Bn!UAS
水泥:300(1+5%)=315 kg/m3K2.qÌbbs.3c3t.com;Bn!UAS
K2.qÌbbs.3c3t.com;Bn!UASK2.qÌbbs.3c3t.com;Bn!UAS
水:K2.qÌbbs.3c3t.com;Bn!UAS
150 (1+5%)=157.5 kg/m3K2.qÌbbs.3c3t.com;Bn!UAS
K2.qÌbbs.3c3t.com;Bn!UAS配合比K2.qÌbbs.3c3t.com;Bn!UAS
K2.qÌbbs.3c3t.com;Bn!UAS
K2.qÌbbs.3c3t.com;Bn!UASK2.qÌbbs.3c3t.com;Bn!UAS
(1)K2.qÌbbs.3c3t.com;Bn!UAS
单位用量表达方式:K2.qÌbbs.3c3t.com;Bn!UAS
K2.qÌbbs.3c3t.com;Bn!UASK2.qÌbbs.3c3t.com;Bn!UAS
水泥∶水∶砂∶石K2.qÌbbs.3c3t.com;Bn!UAS
K2.qÌbbs.3c3t.com;Bn!UASK2.qÌbbs.3c3t.com;Bn!UAS
315 ∶ 157.5 ∶ 600 ∶ 1200(kg/m3)K2.qÌbbs.3c3t.com;Bn!UAS
K2.qÌbbs.3c3t.com;Bn!UASK2.qÌbbs.3c3t.com;Bn!UAS
(2)相对用量表达方式K2.qÌbbs.3c3t.com;Bn!UAS
K2.qÌbbs.3c3t.com;Bn!UASK2.qÌbbs.3c3t.com;Bn!UAS
水泥∶砂∶石,W/C=K2.qÌbbs.3c3t.com;Bn!UAS
K2.qÌbbs.3c3t.com;Bn!UASK2.qÌbbs.3c3t.com;Bn!UAS
1 ∶ 1.90 ∶ 3.81,W/C=0.50K2.qÌbbs.3c3t.com;Bn!UAS