Resistance of alkali-activated slag concrete to carbonation

被引：271

作者：

Bakharev, T

Sanjayan, JG

Cheng, YB

机构：

[1] Monash Univ, Dept Civil Engn, Clayton, Vic 3800, Australia

[2] Monash Univ, Dept Mat Engn, Clayton, Vic 3800, Australia

来源：

CEMENT AND CONCRETE RESEARCH | 2001年 / 31卷 / 09期

关键词：

ground-granulated blast-furnace slag; alkali-activated cement; durability; carbonation;

D O I：

10.1016/S0008-8846(01)00574-9

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper presents an investigation into durability of alkali-activated slag (AAS) concrete exposed to carbonation. Two tests were used which simulated exposure of AAS concrete to carbonated solution and to atmosphere high in carbon dioxide. These tests involved immersion of the concrete in 0.352 M sodium bicarbonate solution, and exposure to atmosphere with 10-20% of CO2 at 70% relative humidity. It was found that the resistance of AAS concrete to carbonation was lower than that of ordinary Portland cement (OPC) concrete, and AAS concrete had higher strength loss and depth of carbonation than OPC concrete in both tests. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：1277 / 1283

页数：7