Modulus Back Analysis of Pavement Structure Based on PSO

Xiao Long Li; Xiao Nan Li; Yan Hui Zhong; Fu Ming Wang

doi:10.4028/www.scientific.net/AMM.178-181.1222

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 178-181Modulus Back Analysis of Pavement Structure Based...

Modulus Back Analysis of Pavement Structure Based on PSO

Abstract:

A method for modulus back analysis of pavement structure based on particle swarm optimization (PSO) is presented. The principle and implementation process of the method is detailed. Some theoretical and experimental data of pavement deflection are selected to test its performance. The contrastive analysis of the modulus inversion results of the proposed method and some representative pavement modulus back calculation softwares using the same deflection data is also performed. The results show that the presented method has relatively high identification accuracy and notably computational stability, which can effectively reduces the influence of initial tentative value on inversion results of pevement modulus.

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Periodical:

Applied Mechanics and Materials (Volumes 178-181)

Pages:

1222-1225

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.178-181.1222

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Online since:

May 2012

Authors:

Xiao Long Li, Xiao Nan Li, Yan Hui Zhong, Fu Ming Wang

Keywords:

FWD, Modulus Back Analysis, Particle Swarm Optimization (PSO), Pavement

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