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    Chapter 5—Needed Research

    Published: Jan 1978

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    Portland cement concrete, because of its versatility and relatively low cost, continues to be one of the most widely used construction materials throughout the world. As developments occur in the use of concrete as a construction and architectural material, new demands are placed on the quality and quantity of the materials used in concrete. These demands are magnified by increasing shortages, environmental requirements, and zoning regulations.

    Author Information:

    Walker, RD
    Head, Virginia Polytechnic Institute and State University, Blacksburg, Va.

    Committee/Subcommittee: C09.99

    DOI: 10.1520/STP35605S

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