Development and Evaluation of a Portable Device for Measuring Curling and Warping in Concrete Pavements: [Summary]
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2016-01-01
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Edition:Tech Transfer Summary
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Abstract:Portland cement concrete (PCC) pavement undergoes repeated environmental load-related deflection resulting from temperature and moisture variations across the pavement depth. This has been recognized as resulting in PCC pavement curling and warping since the mid-1920s. Slab curvature can be further magnified under repeated traffic loads and may ultimately lead to fatigue failures, including top-down and bottomup transverse, longitudinal, and corner cracking. Measuring the true degree of curling and warping in PCC pavements is therefore significant, not only for quality control (QC) and quality assurance (QA), but also for obtaining a better understanding of its relationship to long-term pavement performance.
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