The influence of gypsum content on water demand, time of setting, strength and shrinkage of high Performance cementitious material is tested as warrant for optimizing gypsum content.
试验研究了石膏的掺量对高性能胶凝材料的需水量、凝结时间、强度、收缩性的影响，以此作为优化石膏掺量的依据。
The influence of content of coal gangue on cementitious properties was investigated. The hydration products of the cement were characterized by XRD, SEM etc.
研究了活化煤矸石对水泥性能的影响，借助XRD、SEM等测试方法分析了活化煤矸石作水泥混合材的作用机理；
The optimum content of silica fume is 0.25, and the lowest water to cementitious materials ratio is 0.18.
此时硅灰的最佳掺量为水泥质量的0.25倍，且水胶比并不是越低越好，最佳水胶比为0.18。
The optimum content of silica fume is 0.25, and the lowest water to cementitious materials ratio is 0.18.
此时硅灰的最佳掺量为水泥质量的0.25倍，且水胶比并不是越低越好，最佳水胶比为0.18。
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