煤矸石胶凝性能的正交试验研究

Study on Cementitious Behaviour of Coal Gangue by Orthogonal Experimental Design

关键词:  煤矸石  正交设计  孔结构分析  扫描电镜

Key words:  coal gangue,orthogonal design,pore structure study,scanning electron microscope

摘要:

运用正交设计方法研究了煅烧、增钙煅烧2种活化方法对煤矸石复合水泥力学性能的影响，同时对不同煤矸石进行了物相分析，然后运用汞压入法和扫描电镜等对煤矸石复合水泥的水化过程与机理进行了分析研究．试验证明，经过活化的煤矸石可以改善复合水泥的胶凝性能．

Abstract:

Mechanical property of coal gangue during the activatory process was studied by the method of orthogonal experiment. The phase analysis was carried out for different coal gangues. The hydration course was analyzed by the methods of mercury trusion poremeasurement (MIP) and scanning electron microscope (SEM). It is proved that activated coal gangue can improve the cementitious behaviour of compound cement.