Finite element model to study structural pavements design: Investigation in terms of stresses and strains considering elastoplastic frictional contact mechanics technologies
Tipo
Artigo de evento
Data de publicação
2007
Periódico
Maintenance and Rehabilitation of Pavements and Technological Control - Proceedings of the 5th International Conference, MAIREPAV 2007
Citações (Scopus)
1
Autores
Bandeira A.A.
Merighi J.V.
Fortes. R.M.
Merighi J.V.
Fortes. R.M.
Orientador
Título da Revista
ISSN da Revista
Título de Volume
Membros da banca
Programa
Resumo
The basic aim of this work is to present a numerical model to analyses 3D structural pavements using finite elements procedures with contact mechanics techniques. This study is performed just putting two tires on the structural pavement with several soil layers. These tires and the structural pavement are discretized by finite elements under large 3D elastoplastic deformation. The real loads (of aircrafts, trucks or cars) are applied directly on each tire and by contact mechanics procedures, the real contact area between the tires and the pavement surface is computed. Furthermore, the pressure developed at the contact surfaces is automatically calculated and transferred to the structural pavement by contact mechanics techniques. The friction phenomena developed between the tire and the pavement during the lockwire is taking into account. In the end of this work, numerical results in term of stress, strain and displacements are presented to show the ability of the algorithm. These numerical results are also compared with others finite elements programs.
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Assuntos Scopus
Contact Mechanics , Contact surface , Elasto-plastic , Elastoplastic deformation , Frictional contact , Numerical results , Pavement surface , Real contact area