EFFECT OF Y-CRACKING ON CRCP PERFORMANCE (FHWA-OK-12-07 2230)
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Date
2012-10Author
Ley, Tyler
Woestman, Spencer
Riding, Kyle
Nyberg, Wesley
Peric, Dunja
Momeni, Farid Amir
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This report covers the investigation of the impact of Y-cracking on concrete pavements in Oklahoma. This study used field and analytical investigations to determine the impact of Ycracking on the long term performance of continuous concrete pavements. The research found that Y-cracking in concrete pavements does lead to an increase in the number of punch outs. Of all of the variables investigated the base type and the shoulder type had the largest impact on the amount of Y-cracking that occurred in continuous concrete pavements. The analytical studies confirmed that these variables can lead to increases in pavement stresses and so therefore cracking.