混凝土强度等级C7.5C7.5C7.5C7.5C10C10C10C10C15C15C15C15C15C15C20C20C20C20C20C20C20C25C25C25C30C30C30C30C30C30石子水泥规格标号mm2255-402255-703255-403255-702255-402255-703255-403255-702255-403255-403255-403255-704255-404255-70常 用 混 凝 土 参 考 配 合 比重 量 配 合 比（kg）水 泥184/1180/1159/1153/1215/1206/1183/1177/1283/1236/1243/1228/1210/1200/1砂石 子水坍落度1-21-21-21-21-21-21-21-21-21-22-31-22-31-22-32-31-20-0.52-31-21-22-34-51-23-42-32-32-32-32-3使 用 部 位垫层、地坪、基础垫层、地坪、基础垫层、地坪、基础垫层、地坪、基础垫层、地坪、基础、明沟垫层、地坪、基础、明沟垫层、地坪、基础、明沟垫层、地坪、基础、明沟垫层、地坪垫层、地坪、地梁柱、梁、板基础、地梁、地坪柱、梁、板柱、墙、基础、设备基础楼地坪、灌缝、屋面细石混凝土薄梁、隔板柱、梁、板、预制柱、吊车梁空心板、槽型板、屋面面层薄梁、隔板柱、梁、板、预制柱、吊车梁柱、梁、板、预制柱、吊车梁梁、柱薄腹梁梁、柱薄腹梁预制柱预应力屋架、薄腹梁预制柱、吊车梁预应力屋架、薄腹梁预制柱、预应力屋架、薄腹梁682.8/3.71312.9/7.15175/0.956/3.831324/7.36170/0.945716/4.51315/8.27175/1.1701.6/4.581341.8/8.77168/1.09674/3.131295/6.03175/0.815680/3.31312/6.37168/0.815690/3.771321/7.22174/0.95686/3.881322/7.47168/0.95629/2.221265/4.47178/0.63671/2.841282/5.43178/0.7552/2.1288/5.3185/0.76658/2.1315/5.77172/0.757652/3.121323/6.3180/0.857688/3.481325/6.69170/0.861172/3.52198/0.5951218/3.82190/0.5951273/4.451257/4.49180/0.63182/0.653255-15333/10/1.923255-25319/1632/1.983255-40286/1632/2.214255-15280/1655/2.344255-25280/17/2.314255-40250/1665/2.665255-40225/1673/2.9932225325322255255-405-255-405-255-405-255-405-25345/1329/1293/1450/1410/1360/1325/1325/1614/1.78630/1.915635/2.17525/1.166539/1.315609/1.69608/1.87637/1.991243/4.44190/0.6781273/5.111291/5.741228/3.561205/3.661263/4.311210/2.691246/3.041220/3.391274/3.921224/3.825180/0.72180/0.80183/0.53194/0.59183/0.625191/0.424185/0.451188/0.522179/0.551/0.5915255-40285/1636/2.231280/4.49179/0.626每 立 方 米 水 泥 砂 浆 材 料 用 量
砂浆强度等级每立方砂浆水-泥用量（kg）每立方砂浆-砂用量（kg）M2.5、M5200-230M7.5、M10220-2801m3砂堆积密度值M15280-340M20340-400注：1.此表水泥强度等级为32.5级，大于32.5级水泥用量宜取下限；每立方米砂浆-水用量（kg）270-330
