Two-Lift Concrete Paving

Paper and Presentation by Kurt D. Smith from ASCP 4th Concrete Pavements Conference 2017

Two-lift concrete pavements use two separate lifts of concrete that are placed in a weton-wet process to produce a monolithic structure. Although not new, two-lift concrete pavements are an innovative approach to optimizing the characteristics of each layer and, hence, the overall pavement structure. This paper provides an overview of two-lift concrete pavement technology in the United States, including its background, benefits, and design and construction considerations, and also describes several recent two-lift paving projects.

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