© Olena Slavinska, Doctor of Technical Sciences, Professor, Professor of the Department of Transport Construction and Property Management, ORCID: 0000-0002-9709-0078, e-mail: elenaslavin9@gmail.com;
© Andrii Bubela, Doctor of Technical Sciences, Professor, Professor of the Department of Transport Construction and Property Management, ORCID: 0000-0002-5619-003X, e-mail: bubelaandrey@ukr.net;
© Ihor Kozarchuk, Candidate of Technical Sciences, Associate Professor, Associate Professor of the Department of Transport Construction and Property Management, ORCID: 0000-0003-4972-6016, e-mail: igorkozarchuk@ntu.edu.ua;
© Oleksandr Davydenko, Candidate of Technical Sciences, Associate Professor of the Department of Bridges, Tunnels and Hydraulic Structures, ORCID: 0000-0003-0176-3256, e-mail: oleksandr.davydenko@ntu.edu.ua
National Transport University
Method of development of numerical models of road structure in sections with tubular drains
DOI: 10.33868/0365-8392-2022-1-269-2-54-61
Abstract. The problem of water drainage from the carriageway and from the base layers of road pavement of the highway remains relevant worldwide. Gravel or sand layers, as well as geotextile and geocomposite layers are mainly used. Selection of parameters of tubular drainage structures of shallow laying is mainly carried out by an analytical method. This is explained by the difficulty of creating numerical models for predicting the stress-strain state of the road structure, taking into account the physical and mechanical properties of the subgrade elements saturated with water. The lack of a methodology for modelling a road structure with shallow drainage in software complexes based on the finite element method makes it difficult to obtain and analyse the stress-strain state of the structure and the subsequent selection of parameters of shallow tubular drainage.
Keywords: road pavement, shallow drainage, subgrade, stress-strain state, numerical model.
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