摘要
矿山充填胶凝材料对充填效果有重要影响。以普通硅酸盐水泥为基础,结合硫铝酸盐的水化特征,研究开发含C4A3-S矿物的硅酸盐水泥。其生产成本低于普通硅酸盐水泥,且水化速度快、早期强度高,尤其是对含水细物料有较好的胶结作用,C4A3-S矿物对粉煤灰还有很好的激发作用。它是一种很有前途的充填胶凝材料。
Backfill cement has important effect on mining backfill. Silicate cement containing C4A3S mineral is developed successfully on the basis of Portland cement combinded with sulphoaluminate calcium. New cement has several characteristics such as low cost and fast hydration speed and high early stage strength comparing with Portland cement, that has cementing effect to fine materials containing much water and that C4A3S mineral has activating effect to fly ash. This kind of cement is a very good backfill cement materials in the future.
出处
《矿冶》
CAS
2009年第4期4-8,共5页
Mining And Metallurgy
关键词
充填水泥
水泥矿物
水化过程
粉煤灰
backfill cement
cement mineral
hydration process
fly ash
