Fatigue Life Prediction of Long-Life Pavement Using Frequency-Domain Analysis

Baoli Wei; Chengchao Guo; Can Cui

doi:10.15302/J-SSCAE-2017.06.012

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Strategic Study of CAE ›› 2017, Vol. 19 ›› Issue (6) : 80-85. DOI: 10.15302/J-SSCAE-2017.06.012

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Fatigue Life Prediction of Long-Life Pavement Using Frequency-Domain Analysis

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Abstract

This paper analyses a pavement fatigue life prediction method for asphalt and cement concrete pavements. A detailed frequency domain analysis of fatigue life was carried out. Using the vehicle-road coupled vibration system model, the random vibration between the vehicle and road caused by road roughness was analyzed. In this paper, it is proposed that the random power spectral density of the vehicle-road coupling vibration is a useful tool to predict the fatigue life of pavements, and corresponding prediction procedures are proposed, which are aimed at providing some reference for long-life pavement design and performance evaluation.

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long-life pavement / fatigue life prediction / random vibration / power spectral density

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Baoli Wei, Chengchao Guo, Can Cui. Fatigue Life Prediction of Long-Life Pavement Using Frequency-Domain Analysis. Strategic Study of CAE, 2017, 19(6): 80‒85 https://doi.org/10.15302/J-SSCAE-2017.06.012

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