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Research on Temperature Gradient of Continuously Reinforced Concrete Composite Asphalt Pavement

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Abstract:

Thermal field of CRC + AC composite pavement under the conditions of continuous temperature variation is simulated using finite element method, maximum temperature gradient and temperature stress of CRC layer are calculated, the relationship between the thicknesses of structural layer and the maximum temperature gradient of CRC layer are analyzed and regressed. Temperature-type reflection crack extension of AC layer is calculated and analyzed. Research results show that the maximum temperature gradient of CRC layer linearly decreases with the thicknesses of AC layer and CRC layer increasing, and the temperature gradient and temperature warping stress of CRC layer can be reduced by appropriately increasing the thicknesses of AC layer and CRC layer in design. The increased thickness of the AC layer will reduce and delay the temperature-type reflection crack extension.

Keywords: COMPOSITE ASPHALT PAVEMENT; CONTINUOUSLY REINFORCED CONCRETE; CRACK EXTENSION; TEMPERATURE GRADIENT

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/asl.2012.2258

Publication date: March 1, 2012

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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