E403: Chemical Admixtures for Concrete

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Description

This document discusses commonly used chemical admixtures for concrete and describes the basic use of these admixtures. It is targeted at those in the concrete industry not involved in determining the specific mixture proportions of concrete or in measuring the properties of the concrete. Students, craftsman, inspectors, and contractors may find this a valuable introduction to a complex topic. The document is not intended to be a state-of-the-art report, user’s guide, or a technical discussion of past and present research findings.

Document Details

Author: ACI Committee E703

Publication Year: 2017

Pages: 16

ISBN: 9780870311123

Categories: Admixtures

Formats: PDF

This document is Historical

Table of Contents

I. INTRODUCTION

1.1-History

1.2 - Definitions

II. OVERVIEW

2.1 -Function

2.2 - Standards

III. AIR-ENTRAINING ADMIXTURES

3.1- History

3.2 - Mechanism

3.3 - Use of Air-Entraining Admixtures

IV. WATER-REDUCING AND SET-CONTROLLING ADMIXTURES

4.1 - Types and Composition

4.2 – Type A, Water-Reducing Admixtures

4.3 – Type B, Retarding, and Type D, Water-Reducing and Retarding Admixtures

4.4 – Type C, Accelerating and Type E, Water-Reducing and Accelerating Admixtures

4.5 - High-Range Water-Reducing Admixtures

4.6 – Mid-Range Water-Reducing Admixtures

V. CORROSION-INHIBITING ADMIXTURES

VI. SHRINKAGE-REDUCING ADMIXTURES

VII. ADMIXTURES FOR CONTROLLING ALKALI-SILICA REACTIVITY

VIII. ADMIXTURES FOR UNDERWATER CONCRETING

IX. EFFECTIVENESS OF ADMIXTURES

X.ADMIXTURE DISPENSERS

9.1 - Industry Requirements and Dispensing Methods

9.2 - Liquid Admixture Dispensing Methods

9.3 - Accuracy Requirements

9.4 - Application Considerations and Compatibility

9.5 - Dispensers for High-Range Water-Reducing Admixtures

9.6 - Dispenser Maintenance

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