各级碎石混凝土配合比参考

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1、表7-200C10级碎石混凝土配合比参考表强度标准差σ=4MPa水泥强度等级=32.5MPa配制强度fcu,00)=16.6MPa每立方混凝土假定用料总量mcp＝2360kg粗骨料最大粒径(mm)水泥富余系数水泥强度(MPa)水灰比坍落度(mm)砂率(%)每立方米用料量(kg)配合比水水泥砂石子mw0mc0ms0mg0161.0032.50.8610～304520023386710600.8613.724.5535～5021024485810483.524.3055～7022025684810363.314.0

2、51.0835.10.9310～304620021589510500.9314.164.8835～5021022688510393.924.6055～7022023787510283.694.34201.0032.50.8610～304418521586210980.8614.015.1135～5019522785310853.764.7855～7020523884310743.544.511.0835.10.9310～304518519988910870.9314.475.4635～5019521088010

3、754.195.1255～7020522087110643.964.8431.51.0032.50.8610～304317520385211300.8614.205.5735～5018521584311173.925.2055～7019522783311053.674.871.0835.10.9310～304417518887911180.9314.685.9535～5018519986911074.375.5655～7019521086010954.105.21401.0032.50.8610～3042165

4、19284111620.8614.386.0535～5017520383211504.105.6755～7018521582311373.835.291.0835.10.9310～304316517786811500.9314.906.5035～5017518885911384.576.0555～7018519985011264.275.66表7-201C15级碎石混凝土配合比参考表强度标准差σ=4MPa水泥强度等级=32.5MPa配制强度fcu,0＝21.58MPa每立方米混凝土假定用料总量mcp＝2360k

5、g粗骨料最大粒径(mm)水泥富余系数水泥强度(MPa)水灰比坍落度(mm)砂率(%)每立方米用料量(kg)配合比水水泥砂石子mw0mc0ms0mg0161.0032.50.6610～304120030376110960.6612.5123.61735～5021031875110812.3623.39955～7022033374110662.2253.2011.0835.10.7110～304320028280710710.7112.8623.79835～5021029679710572.6933.57155～7

6、022031078710432.5393.365201.0032.50.6610～303918528073911560.6612.6394.12935～5019529572911412.4713.86855～7020531171911252.3123.6171.0835.10.7110～304118526178511290.7113.0084.32635～5019527577511152.8184.05555～7020528976511012.6473.81031.51.0032.50.6610～3038175

7、26573011900.6612.7554.49135～5018528072011752.5714.19655～7019529571011602.4073.9321.0835.10.7110～304017524677611630.7113.1544.72835～5018526176611482.9354.39855～7019527575611342.7494.124401.0032.50.6610～303716525072012250.6612.8804.90035～5017526571012102.6794.

8、56655～7018528070111942.5044.2641.0835.10.7110～303916523276611970.7113.3025.15935～5017524675611833.0734.80955～7018526174611682.8584.475表7-202C20级碎石混凝土配合比参考表强度标准差σ=5MPa水泥强度等级=32.5MPa配制强度fcu,0＝28.2