Investigation of hydraulic activity of ground granulated blast furnace slag in concrete

被引：361

作者：

Pal, SC

Mukherjee, A

Pathak, SR ^{[1
]}

机构：

[1] Govt Coll Engn, Dept Civil Engn, Pune 411005, Maharashtra, India

[2] Coll Mil Engn, Fac Civil Engn, Pune 4110031, Maharashtra, India

[3] Indian Inst Technol, Fac Civil Engn, Bombay 400076, Maharashtra, India

来源：

CEMENT AND CONCRETE RESEARCH | 2003年 / 33卷 / 09期

关键词：

cement; compressive strength; CaO; granulated blast furnace slag; MgO;

D O I：

10.1016/S0008-8846(03)00062-0

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Ground granulated blast furnace slag (GGBFS), a by-product of the steel manufacturing industry, being used as an effective partial cement replacement material, has already been proven to improve several performance characteristics of concrete. The reactivity of GGBFS has been found to depend on the properties of slag, which vary with the source of slag, type of raw material used, method and the rate of cooling. The present work aims at bringing out a novel relationship between the Hydraulic Index (HI) of slag at 7 and 28 days (H17 and H128) and the influencing properties of slag, namely, glass content, fineness and chemical composition by employing multiple regression analysis on 37 slag samples from various sources. H17 and H128, thus obtained, have been mapped onto a Slag Activity Index (SAI) plot, giving an indication of the ranges of strength of slag. (C) 2003 Elsevier Science Ltd. All rights reserved.

引用

页码：1481 / 1486

页数：6

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