Here are some links that provide useful general information about concrete.

The World of Concrete
Spend a day or a week at the industry's largest annual international event, and you'll be on the road to a stronger, more profitable, and competitive business. The hottest trends, materials, equipment, techniques, and information you need all under one roof!

www.concrete.com
Got concrete questions? Ask Dr. Concrete! The title says it all...links to all things concrete. This site is a wealth of information, although we do not necessarily endorse all links tied to this site, there is a significant amount of concrete related information.

The Concrete Glossary
To help site visitors, industrial distributors, and contractors alike understand or clarify many terms used in the concrete and paving industry, Dee Concrete Accessories has included this one of a kind glossary to allow quick and easy access to a variety of concrete related terms and definitions.

Wikipedia: Concrete
This site is a user-run community site detailing the overall wealth of knowledge put forth by any and all individuals interested in furthering the public's access to all information related to concrete. Check it out!

ACI—American Concrete Institute
Founded in 1904 and headquartered in Farmington Hills, MI, USA, the American Concrete Institute is advancing concrete knowledge by conducting seminars, managing certification programs, and publishing technical documents..

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