Análise mecanicista de diferentes pavimentos tipos em vias locais urbanas : uma avaliação do dimensionamento empírico

Abstract

The empirical design methods do not consider the fatigue of the asphalt coating nor the mechanical responses of the pavement in terms of stresses, deformations and deflections. To work around these limitations, the methods that use mechanistic concepts emerge. Thus, the present work aimed to carry out an analysis, using mechanisticempirical concepts, of four pavement structures dimensioned using the most common empirical methods, in order to estimate the structural behavior of the pavements. The AEMC tool, a part of MeDiNa, was used to determine the necessary data for the analysis through the structural capacity estimate presented in the South Africa Pavement Engineering Manual (SAPEM, 2014). It was observed that the empirical design methods for asphalt pavements meet the vast majority of situations because of the low traffic used in the design, however pavements composed of blocks tend to suffer from permanent deformations in the granular layers.