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A platform for research: civil engineering, architecture and urbanism
Anti-Shearing Performance Experiment for Interface between Asphalt Concrete Layer and Old Cement Concrete Pavement
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.
Anti-Shearing Performance Experiment for Interface between Asphalt Concrete Layer and Old Cement Concrete Pavement
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.
Anti-Shearing Performance Experiment for Interface between Asphalt Concrete Layer and Old Cement Concrete Pavement
Li, Ping / Yao, Yu / Pei, Jun Jun / Wu, Zhong
Advanced Materials Research ; 663 ; 251-256
2013-02-13
6 pages
Article (Journal)
Electronic Resource
English
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