The properties of the composite cement were studied by orthogonal test,which was prepared by the clinker,slag and fly ash with different fineness and mixed after separately grinding.

• 采用分别粉磨再混合的方式,利用正交试验方法,研究了熟料、矿渣及粉煤灰的不同细度组合对复合硅酸盐水泥物理性能的影响。