Ultra-thin Portland Cement Concrete Overlay Extended Evaluation PDF Download

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Ultra-thin Portland Cement Concrete Overlay Extended Evaluation

Ultra-thin Portland Cement Concrete Overlay Extended Evaluation PDF Author: James K. Cable
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 114

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Book Description
The Iowa ultra-thin project demonstrated the application of thin portland cement concrete overlays as a rehabilitation technique. It combined the variables of base preparation, overlay thickness, slab size, and fiber enhancement into a series of test sections over a 7.2-mile length. This report identifies the performance of the overlays in terms of deflection reduction, reduced cracking, and improved bonding between the portland cement concrete (PCC) and asphalt cement concrete (ACC) base layers. The original research project was designed to evaluate the variables over a 5-year period of time. A second project provided the opportunity to test overlay rehabilitation techniques and continue measurement of the original overlay performance for 5 additional years.