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Concrete properties

Here's a selection of relevant articles about concrete properties from AEC companies and organizations, including The Schundler Company, Ventura Cast Stone and Lehigh Portland Cement Co. Add your web page here? Please send your link and description (at least 20 words) to addpage@cadinfo.net. Placement is free. We reserve the right to refuse or modify your contribution. SCHUNDLER COMPANY-Transit Mix Perlite Concrete ...by similar methods as sand-gravel concrete, there are some considerations that must be given to the order of addition of materials and to the time of mixing to assure correct concrete properties and adequate yield. The following mixing information for transit mixing is presented as a guide to the manufacturer to eliminate some of he questions... See #1.   Lehigh Cement Company-Education ...such as Duff Abrams' "Design of Concrete Mixtures" (1918) to new PCA research issued in recent years. 2003. Fundamentals of Concrete (IS054) Discusses fresh and hardened concrete properties such as workability, bleeding, hydration, setting time, drying rate, strength, and permeability. Addresses durability issues such as alkali-aggregate... See #2. Cast Stone and Precast concrete colors Generally, the amount of pigments used in concrete should not exceed 10% by mass of the cement. Pigments used in amounts less than 6% generally do not affect concrete properties. Unmodified carbon black substantially reduces air content. Most carbon black for coloring concrete contains an admixture to offset the effect on air. See #3. 1: http://www.schundler.com [c2069520] 2: http://www.lehighcement.com [c1939358] 3: http://www.venturacaststone.com [c1995643] • Add your web page here? Please send your link and description (at least 20 words) to addpage@cadinfo.net. Placement is free. We reserve the right to refuse or modify your contribution. • Have your web page removed? Please send a note to removepage@cadinfo.net. After verifying your request we'll remove all references to and images of your site.