Forecasting of the Residual Life of Pavements on Highways Based on the Analysis of Energy Dissipation under the Dynamic Influence of Transport

IF 0.5 4区工程技术 Q4 ENGINEERING, MECHANICAL Journal of Friction and Wear Pub Date : 2023-08-14 DOI:10.3103/S1068366623020113

A. N. Tiraturyan

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Abstract—

The aim of the study is to develop a method for predicting the residual life of road surfaces on highways based on the analysis of energy dissipation under the dynamic influence of transport. To solve this problem, the method of analyzing its stress-strain state is applied, based on the exact solution of the dynamic Lame equation, which allows constructing the amplitude-time characteristics of displacements, strains, and stresses. Based on the constructed amplitude-time characteristics of stresses and strains, a dynamic hysteresis loop is constructed, the area of which corresponds to the volume of dissipation energy in the structure of the pavement for a single deformation cycle. Based on the presented computational approach, a method for determining the calculated total energy dissipation in the structure of the pavement over the service life was developed. Using the FWD shock loading unit and a mobile diagnostic laboratory, an experimental method for determining the total energy dissipation over the service life of the pavement was developed. Their comparison allows predicting wear and determining the residual life and service life of road coverings on highways as well as assigning corrective measures for their restoration.

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基于交通动力影响下能量耗散分析的公路路面剩余寿命预测

摘要:本研究的目的是在分析交通动力影响下路面能量耗散的基础上，建立一种预测公路路面剩余寿命的方法。为了解决这一问题，采用了基于动态拉梅方程精确解的应力-应变状态分析方法，可以构造位移、应变和应力的幅时特性。基于所构建的应力应变幅时特性，构建了路面单次变形周期内结构耗散能量体积对应的动态滞回线。在此基础上，提出了一种确定路面结构在使用寿命期间总耗能的计算方法。利用FWD冲击加载装置和移动诊断实验室，提出了一种确定路面使用寿命期间总耗能的实验方法。它们的比较可以预测磨损，确定高速公路道路覆盖物的剩余寿命和使用寿命，并为其修复分配纠正措施。

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来源期刊

Journal of Friction and Wear ENGINEERING, MECHANICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

1.50

自引率

28.60%

发文量

审稿时长

6-12 weeks

期刊介绍： Journal of Friction and Wear is intended to bring together researchers and practitioners working in tribology. It provides novel information on science, practice, and technology of lubrication, wear prevention, and friction control. Papers cover tribological problems of physics, chemistry, materials science, and mechanical engineering, discussing issues from a fundamental or technological point of view.