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Influence of the interface conditions on flexible pavement structures life

机译:界面条件对柔性路面结构寿命的影响

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This paper aims to establish the interface conditions influence on the flexible pavement structures life. The methodology consists in using the interface constitutive model available in the Alizé calculation program to calculate the stresses and strains in the flexible pavement structures.The design criteria related to limiting fatigue cracking of asphalt layers and permanent deformations at the subgrade level from the road bed are used to estimate the flexible pavement structures lifetime.When calculating the critical stresses and strains, most mechanical design methods of the flexible pavement structures considers that the road layers at interfaces are perfect bonded or total unbonded.Proper modeling of the interface binding condition is an important aspect in understanding the real behaviour of in-service flexible pavement structures.
机译:本文旨在建立界面条件对柔性路面结构寿命的影响。该方法包括使用Alizé计算程序中可用的界面本构模型来计算柔性路面结构中的应力和应变。有关限制沥青层疲劳裂纹和路基路基处永久变形的设计标准为:用来估算柔性路面结构的使用寿命。在计算临界应力和应变时,大多数柔性路面结构的机械设计方法都认为界面处的道路层是完全粘结的或完全未粘结的。方面,了解在役柔性路面结构的实际行为。

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