It is realized that with the increase of mineral additives content the strength coefficient of cement and the contribution of pozzuolana effects to the concrete by the mineral additives is obviously increased 试验中发现，随着掺和料掺量的增加，水泥自身抗压比强度和掺和料火山灰效应对混凝土强度的贡献率都明显增加。
