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Jun 5, 2015
Roller Compacted Concrete over Soil Cement under Accelerated Loading
Authors: Zhong Wu, Ph.D., M.ASCE [email protected], and Moinul Mahdi [email protected]Author Affiliations
Publication: Airfield and Highway Pavements 2015
Abstract
Roller Compacted Concrete (RCC) is an economical and durable candidate for many pavement applications. Properly designed RCC mixes can achieve outstanding compressive strengths similar to those of conventional concrete. The objective of this study was to evaluate the structural performance and load carrying capacity of RCC over soil cement pavement structures through accelerated pavement testing. Six full-scale RCC pavement test sections, each of 71.7 ft long and 13 ft wide, were constructed at the Louisiana Accelerated Loading Facility (ALF) site. The test sections included three RCC thicknesses: 4-, 6-, and 8- in., respectively and two soil cement base types: an 8.5-in. cement stabilized base and a 12-in. cement treated base. A heavy vehicle load simulation device, ATLaS30, was used in the accelerated loading of RCC test sections. Load-induced pavement responses (e.g., stresses and strains) were measured with embedded dynamic sensors, and the variations of temperatures of RCC slabs and subgrade moistures were monitored during the ATLaS30 loading. This paper will present the findings of RCC pavement performance as well as the experience learned during the mix design and the construction of RCC test sections.
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© 2015 American Society of Civil Engineers.
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Published online: Jun 5, 2015
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P.E.
Associate Professor of Research, Louisiana Transportation Research Center, 4101 Gourrier Avenue, Baton Rouge, LA 70808. E-mail: [email protected]
Graduate Research Assistant, Department of Civil and Environmental Engineering, Louisiana State University, Baton Rouge, LA 70808. E-mail: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.