Chemical Admixtures for Concrete, Part 1-ACI Education Bulletin E4 Chemical Admixtures for Concrete (PDF)

ACI Education Bulletin E4 Chemical Admixtures for Concrete (PDF)

Pdf Summary

The document provided is an educational bulletin on "Chemical Admixtures for Concrete" developed by the American Concrete Institute (ACI) Committee E701. It aims to offer a basic understanding of chemical admixtures in concrete, highlighting their functions, types, and benefits without delving into technical research or state-of-the-art reports. The bulletin, published in May 2022, is not meant as a user guide but provides foundational knowledge on the subject. <br /><br />The document outlines various types of chemical admixtures, including air-entraining, water-reducing, set-controlling, and specialty admixtures, and details their effects on concrete properties and their applications in construction. It defines and explains the role of admixtures in improving concrete performance, such as durability, workability, strength, and resistance to conditions like freezing, thawing, and chemical exposure. The publication also discusses the use of admixture dispensers and emphasizes the importance of accurate and compatible admixture application.<br /><br />The bulletin highlights ACI’s commitment to developing knowledge in concrete science, providing technical standards, and fostering communication within the concrete industry. ACI offers educational programs, certification, and a range of publications to support best practices in concrete construction. ACI members benefit from discounts on publications, seminars, and conventions, and access to industry insights and networking opportunities.<br /><br />While this concise overview of chemical admixtures covers various types and their attributes, the document also encourages further exploration in the comprehensive ACI 212.3R document for more detailed information.

Keywords

Chemical Admixtures

Concrete

American Concrete Institute

ACI Committee E701

Air-entraining

Water-reducing

Set-controlling

Concrete Performance

Construction

Durability