Setting and Strength Characteristics of Alkali-activated Carbonatite Cementitious Materials with Ground Slag Replacement

被引：0

作者：

赵三银

余其俊

机构：

[1] College of Chemistry Science South China University of Technology Guangzhou 510640

[2] Department of Chemistry Shaoguan College

[3] Guangzhou 510640 China

[4] Key Laboratory of Specially Functional Materials and Advanced Manufacturing Technology of Ministry of Education South China University of Technology

[5] Shaoguan 512005

来源：

Journal of Wuhan University of Technology(Materials Science) | 2006年 / 01期

关键词：

alkali activated cement; retardation; compressive strength; carbonatite; granulated blast-furnace slag;

D O I：

暂无

中图分类号：

TB321 [无机质材料];

学科分类号：

0805 ; 080502 ;

摘要：

The effect of the ground granulated blast-furnace slag （GGBFS） addition, the modulus n （ mole ratio of SiO2 to Na2O） and the concentration of sodium silicate solution on the compressive strength of the material, i e alkali-activated carbonatite cementitious material （AACCM for short） was investigated. In addition, it is found that barium chloride has a satisfactory retarding effect on the setting of AACCM in which more than 20% （by mass） ground carbonatite was replaced by GGBFS. As a result, a cementitious material, in which ground carbonatite rock served as dominative starting material, with 3-day and 28-day compressive strength greater than 30 MPa and 60 MPa and with continuous strength gain beyond 90 days was obtained.

引用

页码：125 / 128

页数：4

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