The American Concrete Institute’s two masonry testing certification programs are now cited in the new TMS 402/602-16: Building Code Requirements and Specifications for Masonry Structures.
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This study describes the first experience of using SCC for prestressed concrete bridge girders in North Carolina.
A multiple-span bridge is currently under construction in eastern North Carolina using one hundred thirty AASHTO Type III girders, each 54.8 ft (16.7 m) long (NCDOT Project 8.1170903).
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Portland Cement Association's Library offers a variety of information services to PCA Members, related industry groups, and others seeking information on all aspect of cement and concrete.
Based on the experimental results, it was found that SCC mixture containing 20% cement replacement of CKD exhibited the highest mechanical strength compared to other SCC mixes and NVC mix as well.
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Concrete is a composite material composed of coarse aggregate bonded together with a fluid cement that hardens over time.
Most concretes used are lime-based concretes such as Portland cement concrete or concretes made with other hydraulic cements, such as ciment fondu.
The cement reacts chemically with the water and other ingredients to form a hard matrix that binds the materials together into a durable stone-like material that has many uses.
Often, additives (such as pozzolans or superplasticizers) are included in the mixture to improve the physical properties of the wet mix or the finished material.
The Library holds one of the world's largest collections of information on cement and concrete, more than 100,000 materials.