233R-03: Slag Cement in Concrete and Mortar (Reapproved 2011)

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The use of iron blast-furnace slag as a constituent in concrete as an aggregate, a cementitious material, or both is well known. Recent attention has been given to the use of slag cement as a separate cementitious constituent in concrete. This report addresses the use of slag cement as a separate cementitious material added along with portland cement in the production of concrete. This report does not address slags derived from the smelting of materials other than iron ores. The material characteristics described and the recommendations for its use pertain solely to cement ground from granulated iron blast-furnace slag.

Keywords: blast-furnace slag; cementitious material; concrete; granulated

blast-furnace slag; hydraulic cement; mixture proportion; mortar; portland

cement; slag cement; specification.


Document Details

Author: ACI Committee 233

Publication Year: 2003

Pages: 18

ISBN: 9780870311208

Categories: Slag

Formats: PDF

This document is Historical

Table of Contents

Chapter 1—General information


1.2—Scope and objective


1.4—Environmental considerations

1.5—Origin of blast-furnace slag

1.6—Chemical and physical properties



1.9—Hydraulic activity

1.10—Factors determining cementitious properties

Chapter 2—Storage, handling, and batching




Chapter 3—Proportioning concrete containing slag cement

3.1—Proportioning with slag cement

3.2—Ternary systems

3.3—Use with chemical admixtures

Chapter 4—Effects on properties of fresh concrete


4.2—Time of setting


4.4—Rate of slump loss

Chapter 5—Effects on properties of hardened concrete and mortar


5.2—Modulus of rupture

5.3—Modulus of elasticity

5.4—Creep and shrinkage

5.5—Influence of curing on performance


5.7—Effects on temperature rise in mass concrete


5.9—Resistance to sulfate attack

5.10—Reduction of expansion due to alkali-silica reaction (ASR)

5.11—Resistance to freezing and thawing

5.12—Resistance to deicing chemicals

5.13—Resistance to the corrosion of reinforcement

Chapter 6—Uses of slag cement in concrete and mortar


6.2—Ready-mixed concrete

6.3—Concrete products

6.4—Mortars and grouts

Chapter 7—References

7.1—Referenced standards and reports

7.2—Cited references


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