E3S Web Conf.
Volume 136, 20192019 International Conference on Building Energy Conservation, Thermal Safety and Environmental Pollution Control (ICBTE 2019)
|Number of page(s)||9|
|Section||Urban Public Safety|
|Published online||10 December 2019|
Analysis of Loading Stress of Pavement Structure using One-Step Forming Cement-Stabilized Macadam Base
1 College of Civil Engineering and Architecture, Guangxi University, Nanning, Guangxi, 530004, China
2 Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, Nanning, Guangxi, 530004, China
3 Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, Nanning, Guangxi, 530004, China
4 Special Geological Highway Safety Engineering Technology Research Center of Guangxi, Nanning Guangxi 530004, China
Layered construction of large thickness cement-stabilized macadam base makes the base change from designed being forced by whole layer to being forced by two thin layers, the existence of interfacial friction between two thin layers reduces the pavement performance of the base, which finally cause the reduction of pavement performance of whole pavement structure. To analyze the load responses of large thickness cement-stabilized macadam base asphalt pavement under different working conditions, pavement surface deflection, maximum principal stresses of surface layer bottom and base layer bottom, minimum principal strain of soil base top and maximum shear stress of surface layer bottom under two different working conditions(layered construction and one-step forming) are taken as indexes and are obtained by finite element analysis method in this paper.
© The Authors, published by EDP Sciences, 2019
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