Use of probabilistic machine learning for assessing rutting in asphalt mixtures
DOI:
https://doi.org/10.58922/transportes.v34.e3165Keywords:
Asphalt mixtures; Permanent deformation; Probabilistic machine learning.Abstract
Permanent deformation is a distress that affects the durability and quality of asphalt pavements, being influenced by the properties of the binder and aggregates in asphalt mixtures used on surface courses. The uniaxial repeated load test, which provides the Flow Number, is used to evaluate the mixture rutting resistance. An alternative to this test is the use of machine learning algorithms, an approach that enables the prediction of the traffic level equivalent to the Flow Number using data from various parameters of asphalt mixtures. Another option is the use of probabilistic models, which consider the uncertainty of the predicted variables. Among these, Gaussian Processes stand out, excelling with small amounts of data. The study herein aims to assess the performance of various probabilistic models in classifying asphalt mixtures concerning permanent deformation. The goal is to assist in material selection and pavement design. A database, containing 252 mixtures, was constructed by gathering information from various laboratory tests. Using regression and classification models to predict the equivalent traffic level, the results obtained demonstrate the feasibility of this approach, achieving an accuracy of up to 90%.
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Copyright (c) 2026 Pedro Luiz Ribeiro Rocha, Jorge Barbosa Soares, Iuri Sidney Bessa, César Lincoln Cavalcante Mattos, Carlos David Rodrigues Melo

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