Zeolite-based additives for high alumina cement products

被引：19
|
作者：
Fu, Y
Ding, J
Beaudoin, JJ
机构：
[1] NATL RES COUNCIL CANADA,INST RES CONSTRUCT,MAT LAB,OTTAWA,ON K1A 0R6,CANADA
[2] UNIV OTTAWA,DEPT CIVIL ENGN,OTTAWA,ON K1N 6N5,CANADA
来源：
ADVANCED CEMENT BASED MATERIALS | 1996年 / 3卷 / 01期
关键词：
additive; compressive strength; conversion; curing temperature; high alumina cement; zeolite;
D O I：
10.1016/S1065-7355(96)90068-1
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Use of zeolites as conversion-preventing additives (CPA) for inhibition of hydrogarnet formation in high alumina cement (HAC) products is reported. Compressive strength development of HAC mortars containing the CPA additive was studied. The effect of curing conditions, from low initial temperatures to final high temperatures, on strength development was also investigated. X-ray diffraction (XRD) analysis was used to identify the hydration products in the HAC paste containing CPA. No strength reduction occurred for the HAC mortar (containing 12% CPA by mass of HAC) water-cured at 38 degrees C. Stralingite preferentially formed in the HAC paste containing the CPA additive. Little or no hydrogarnet phase in the paste was detected by XRD analysis.
引用
收藏
页码：37 / 42
页数：6
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