地质处置用低碱度水泥配方开发  

Low-pH Value Cement Formulation Development for Geological Disposal

作　　者：冯文东[1] 郭喜良[1] 杨卫兵[1] 刘伟[1] 杨仲田[1] 

机构地区：[1]中国辐射防护研究院,中核高放废物地质处置评价技术重点实验室,太原030006

出　　处：《辐射防护通讯》2016年第1期14-17,共4页Radiation Protection Bulletin

摘　　要：采用普通硅酸盐水泥与硅灰体系进行低碱度(low-p H值)水泥配方开发,确定了前期试验中低碱度水泥的关键表征参数,并对水泥与硅灰体系进行试验验证。试验结果表明,影响低碱度水泥配方初凝、终凝时间和28 d抗压强度的主要因素是水/干料的值,影响低碱度水泥配方90 d的p H值的主要因素是Si O_2含量以及Ca/Si值,即产物中的Ca(OH)_2含量。Formula studies on low-pH value cement for geological disposal were conducted with ordinary port- land cement and silica fume employed. The key parameters thereof are also determined. Verification tests of cement and silica fume system were carried out. The results show that, for such a low-pH value cement, the major factor which effecting initial, final setting time and 28 d compressive strength is water/dry materials,Key words：

关 键 词：地质处置 低碱度水泥 配方 

分 类 号：TL942[核科学技术—辐射防护及环境保护]