United States Department of Transportation
i
Building Better, Longer Lasting Concrete Pavements
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1998-01-01
[PDF-424.14 KB]
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Abstract:Portland cement concrete covers some 208,000 km (129,000 mi) of the Nation's highest volume streets and highways. Although concrete is a very durable material, steadily increasing traffic volumes and loads are beginning to take their toll, and many of these pavements are in need of extensive repair or rehabilitation. When existing concrete pavements are rehabilitated, or when new concrete pavements are constructed, they must be more durable than their predecessors and must therefore be tailored to the traffic, climate, and weather conditions at the project site. At the same time, these pavements must be opened to traffic as quickly as possible; provide smooth, safe, riding surfaces; and be economical to build and maintain. To meet these needs, engineers are developing a new generation of concrete pavements that build on the fundamental strengths of conventional concrete pavements. These high-performance concrete pavements (also called HPC pavements) take advantage of a wide range of techniques and technologies that are being combined to form a new approach to pavement design and construction.
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