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Sensitivity analysis of structure parameters for asphalt pavement under heavy traffic
By: Sui Yuanyuan; Li Caixia;
2011 / IEEE / 978-1-4577-0290-7
This item was taken from the IEEE Conference ' Sensitivity analysis of structure parameters for asphalt pavement under heavy traffic ' With the development of national economy and highway traffic, more and more pavement are damaged by over-load vehicles. This article is to provide foundations for selecting pavement structure under heavy traffic by sensitivity analysis of pavement structure parameters including thickness and modulus of each layer. The indexes of mechanics are very different when the calculation parameters are changed. Sensitivity analysis is based on orthogonal experiment method. The results show that the modulus and thickness of semi-rigid base and subbase have obvious effect on tensile stress at the bottom of semi-rigid base; the module of subgrade has the most efficient on the deflection of surface.
Heavy Highway Traffic
Orthogonal Experiment Method
Semirigid Base Modulus
Semirigid Base Thickness