Anti-Shearing Performance Experiment for Interface between Asphalt Concrete Layer and Old Cement Concrete Pavement

Ping Li; Yu Yao; Jun Jun Pei; Zhong Wu

doi:10.4028/www.scientific.net/AMR.663.251

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 663Anti-Shearing Performance Experiment for Interface...

Anti-Shearing Performance Experiment for Interface between Asphalt Concrete Layer and Old Cement Concrete Pavement

Abstract:

For old Portland Cement Concrete pavement paved with asphalt concrete surface, the shearing property at the interface is directly related to the service life of pavement. By using the improved shear-strength test machine in laboratory, shear experiments for composite pavement were carried out in cases of different gradations, interface treatments, types of bonding oil and bonding layer thicknesses. The interlaminar anti-shearing strength was also used to determine an optimal interfacial treatment for composite pavement. Experimental results showed that, gradation type of asphalt mixture was less influential to anti-shearing strength of interface; SBS modified bitumen had more excellent anti-shearing performance in several kinds of bonding oil; rougher and exposed-aggregate interface could significantly improve the shear strength of interlayer on composite pavement; the optimal dosages of bonding oil should be determined by contrast test before construction.

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Periodical:

Advanced Materials Research (Volume 663)

Pages:

251-256

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.663.251

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Online since:

February 2013

Authors:

Ping Li, Yu Yao, Jun Jun Pei, Zhong Wu

Keywords:

Adhesive Layer, Composite Pavement, Interface Treatment, Interlaminar Anti-Shearing Strength

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