4種常用的混凝土配方:
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1、石子粒徑小于16mm
??? C15:水泥32.5MPa,0.307噸;砂子0.511m3;石子0.83m3;水0.22m3。
??? C20:水泥32.5MPa,0.4噸;砂子0.411m3;石子0.87m3;水0.22m3。
??? C25:水泥32.5MPa,0.46噸;砂子0.362m3;石子0.879m3;水0.22m3。
??? C30:水泥32.5MPa,0.53噸;砂子0.348m3;石子0.845m3;水0.22m3。
??? C35:水泥42.5MPa,0.46噸;砂子0.362m3;石子0.879m3;水0.22m3。
2、石子粒徑小于20mm
??? C15:水泥32.5MPa,0.286噸;砂子0.507m3;石子0.86m3;水0.2m3。
??? C20:水泥32.5MPa,0.372噸;砂子0.409m3;石子0.903m3;水0.2m3。
??? C25:水泥32.5MPa,0.428噸;砂子0.359m3;石子0.914m3;水0.2m3。
??? C30:水泥32.5MPa,0.493噸;砂子0.346m3;石子0.883m3;水0.2m3。
??? C35:水泥42.5MPa,0.428噸;砂子0.359m3;石子0.914m3;水0.2m3。
3、石子粒徑小于31.5mm
??? C15:水泥32.5MPa,0.271噸;砂子0.499m3;石子0.884m3;水0.19m3。
??? C20:水泥32.5MPa,0.352噸;砂子0.402m3;石子0.93m3;水0.19m3。
??? C25:水泥32.5MPa,0.406噸;砂子0.353m3;石子0.943m3;水0.19m3。
??? C30:水泥32.5MPa,0.467噸;砂子0.342m3;石子0.913m3;水0.19m3。
??? C35:水泥42.5MPa,0.406噸;砂子0.353m3;石子0.943m3;水0.19m3。
4、石子粒徑小于40mm
??? C15:水泥32.5MPa,0.26噸;砂子0.491m3;石子0.909m3;水0.18m3。
??? C20:水泥32.5MPa,0.333噸;砂子0.394m3;石子0.958m3;水0.18m3。
??? C25:水泥32.5MPa,0.384噸;砂子0.346m3;石子0.973m3;水0.18m3。
??? C30:水泥32.5MPa,0.442噸;砂子0.336m3;石子0.943m3;水0.18m3。
??? C35:水泥42.5MPa,0.384噸;砂子0.346m3;石子0.973m3;水0.18m3。