普通硅酸盐水泥基矿物掺合料对硫铝酸盐水泥性能的影响  

Effect of Silicate Cement and Mineral Admixtures on Sulphoaluminate Cement

作　　者：简险峰 王栋民[1] 黄天勇[1] 陈雷[1] 林辉[1] 潘俊艳[1] 

机构地区：[1]中国矿业大学(北京),北京100083

出　　处：《硅酸盐通报》2014年第4期984-987,共4页Bulletin of the Chinese Ceramic Society

摘　　要：本文研究了普通硅酸盐水泥掺量及不同种类和掺量的矿物掺合料对硫铝酸盐水泥性能的影响。结果表明普通硅酸盐水泥掺量小于60%时,普硅水泥-硫铝酸盐水泥体系(OPC-SAC体系)的胶砂强度随着普通硅酸水泥掺量的增加而降低,普通硅酸盐水泥掺量大于60%时,OPC-SAC体系的胶砂强度随着普通硅酸水泥掺量的增加而增大。并且对早期强度的影响较大。在硫铝酸盐水泥体系中掺入矿渣、粉煤灰和硅灰时,其胶砂强度随着掺量的增加而降低,在相同掺量下,矿物掺合料对强度的贡献率为:硅灰>矿粉>粉煤灰,对凝结时间的影响强弱为:硅灰>矿粉>粉煤灰。This paper studies the portland cement content of silicate cement- cement mixing system （ OPC- SAC blended cement）, and a variety of mineral admixtures on the properties of SAC. The results show that the ordinary Portland cement content less than 60%, the strength of decreased with the increase of dosage of ordinary portland cement, while the strength of OPC-SAC system is increased with the increase of the dosage of ordinary Portland cement when its conten is more than 60%. the OPC-SAC system have a greater impact on strength during the earlier age. The mortar strength is decreased with the increase of the dosage of mineral admixtures. Under the same dosage, the contribution of mineral admixtures on the strength is： silica fume 〉 mineral powder 〉 fly ash, the contribution on the setting time is： silica fume 〉 mineral powder 〉 fly ash.

关 键 词：硫铝酸盐水泥 硅灰 矿粉 粉煤灰 

分 类 号：TD98[矿业工程—选矿]