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Study of Asphalt Pavement Performance of Coastal Expressway
Pages: 10-14
Year: Issue:  1
Journal: Journal of Tianjin Institute of Urban Construction

Keyword:  coastal areasexpresswaypavement performancedeflectionpavement condition index;
Abstract: Based on the data of coastal expressway and research on asphalt pavement performance of coastal expressway,our project uses field experiment and mathematical regression method to establish the asphalt pavement structural strength and pavement performance decay model of expressway,and points out the changing regularity of pavement deflection with the analysis of different quality of subgrade combination base course. The interaction relations of pavement condition index(PCI)and vehicle load are analyzed according to the changing regularity of deflection. Decay model of structural bearing capacity and structure performance can be fully utilized into the scientific and effective evaluation of pavement performance,and they also can provide important and scientific basis in maintenance and preventive maintenance for expressway.
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