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研究了钢渣/矿渣比例对钢渣-矿渣复配胶凝材料体系性能的影响;并在此基础之上加入适当激发剂和改变钢渣微粉比表面积进行正交试验。试验结果表明,与基准试样相比,随着钢渣/矿渣比例的增加,试样的凝结时间逐渐增加,抗压强度逐渐减小,标准稠度用水量当钢渣/矿渣比为3∶7时达到最小为25.8%;正交试验最佳配比为钢渣-矿渣总掺量为40%,钢渣/矿渣比例为3∶7,钢渣的比表面积为500m2/kg,激发剂为NS,但从提高钢渣利用率的角度出发,也可以选择钢渣-矿渣的总掺量为50%。
The effect of steel slag / slag ratio on properties of steel slag-slag composite cementitious material was studied. Based on the above, the suitable activator was added and the specific surface area of steel slag was changed for orthogonal experiment. The experimental results show that, compared with the reference sample, as the slag / slag ratio increases, the setting time of the sample increases gradually and the compressive strength decreases gradually. When the slag / slag ratio is 3: 7, the standard consistency water reaches The minimum is 25.8%; the best proportion of orthogonal test is steel slag - the total content of slag is 40%, the ratio of steel slag to slag is 3: 7, the specific surface area of steel slag is 500m2 / kg and the activator is NS, From the utilization point of view, you can also choose the total slag - slag content of 50%.