Sp(砂率)=588/(588+1176)=33%为砂率公式,书上有BÐWjPëRbbs.3c3t.comBææꧢxKÑ
ρ(表观密度计算值)=195+390+588+1176=2349(kg/m3)为所有材料相加,BÐWjPëRbbs.3c3t.comBææꧢxKÑ
砂=2349-(380-190)x0.33=587kg这个是错的BÐWjPëRbbs.3c3t.comBææꧢxKÑ
应该为:砂=(2349-380-190)x0.33=587kgBÐWjPëRbbs.3c3t.comBææꧢxKÑ
应为:石=2349-190-587-380=1192kgBÐWjPëRbbs.3c3t.comBææꧢxKÑ
3)若现场每盘混凝土用两袋水泥,请计算每盘混凝土材料用量BÐWjPëRbbs.3c3t.comBææꧢxKÑ
2袋水泥为100KG,然后你根据比例算出结果BÐWjPëRbbs.3c3t.comBææꧢxKÑ