Setting and strength characteristics of alkali-activated carbonatite cementitious materials with ground slag replacement

被引：0

作者：

Zhao S. ^{[1
]}

Yu Q. ^{[1
]}

Qiao F. ^{[1
]}

Huang J. ^{[1
]}

Yin S. ^{[1
]}

Wen Z. ^{[1
]}

Gu G. ^{[1
]}

机构：

[1] College of Chemistry Science, South China University of Technology

来源：

Journal of Wuhan University of Technology-Mater. Sci. Ed. | 2006年 / 21卷 / 1期

基金：

中国国家自然科学基金;

关键词：

Alkali activated cement; Carbonatite; Compressive strength; Granulated blast-furnace dag; Retardation;

D O I：

10.1007/BF02861489

中图分类号：

学科分类号：

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：3

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[J]. JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION, 2006, 21 (01): : 125 - 128
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