项目掺外加剂混凝土强度St基准混凝土强度Sc（MPa）配合比编号//破坏荷载（KN）龄期试件尺（d）寸1231300.2342.0311.6150*150531.2507.6527.03*150746.4724.3729.8728919.2919.2946.01175.5200.3182.3150*150328.5315.0324.03*150481.5468.0470.3728643.5643.5661.5抗压强度比抗压强度（MPa）12313.315.213.823.622.623.433.232.232.440.940.942.07.88.98.114.614.014.421.420.820.928.628.629.4组值14.123.232.641.38.314.321.028.91d抗压强度比3d7d28d171162155143