Effect of silica fume, metakaolin, and low-calcium fly ash on chemical resistance of concrete

被引：190
|
作者：
Roy, DM [1 ]
Arjunan, P [1 ]
Silsbee, MR [1 ]
机构：
[1] Penn State Univ, Mat Res Lab, University Pk, PA 16802 USA
来源：
CEMENT AND CONCRETE RESEARCH | 2001年 / 31卷 / 12期
基金：
中国国家自然科学基金;
关键词：
durability; stability; metakaolin; pozzolan; silica fume;
D O I：
10.1016/S0008-8846(01)00548-8
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Effects of aggressive chemical environments were evaluated on the mortars prepared with ordinary portland cement (OPC) and silica fume (SF)/metakaolin (MK)/low-calcium fly ash at various replacement levels. The natural adverse chemical environmental conditions were simulated using sulfuric acid, hydrochloric acid, nitric acid, acetic acid, phosphoric acid, and a mixture of sodium and magnesium sulfates. Chemical resistance information was used in conjunction with compressive strength measurements to propose realistic OPC/mineral admixture proportions. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1809 / 1813
页数：5
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