Affiliation:
1. College of Civil Engineering & Mechanics, Yanshan University, Qinhuangdao, China
Abstract
Top-down cracking is a type of cracking that significantly impacts traffic safety and comfort and reduces a pavement's service life. Here, a cement concrete pavement containing a top-down crack is investigated under traffic load using a theoretical analysis method. In order to simplify the problem, the cement concrete pavement is modelled as an elastic plate on a Winkler foundation. Fourier transform methods and a dislocation density function are used to determine the stress intensity factors of a crack tip. A parametric study is conducted to isolate the effects of crack length, pavement stiffness and distance between the crack and the edge of a vehicle wheel. The results of the study show that crack length and load position significantly affect the stress intensity factors. However, stress intensity factors are less affected by the elastic modulus of the pavement material.
Subject
Transportation,Civil and Structural Engineering
Cited by
3 articles.
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1. Fracture Mechanism of Dangling Concrete Pavement Slab in High Seismic Intensity Areas Along River;International Journal of Pavement Research and Technology;2023-11-14
2. Effects of crack status on stability of longitudinally coupled prefabricated track slab;Proceedings of the Institution of Civil Engineers - Transport;2020-12
3. Editorial;Proceedings of the Institution of Civil Engineers - Transport;2016-08