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1 Studia Geotechnica et Mechanica

1 2016

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Numerical analysis of road pavement thermal deformability, based on Biot viscoelastic model of porous medium

Bartlewska-Urban M., Zombroń M.

Studia Geotechnica et Mechanica

2016

Vol. 38, nr 1

15--22

The following study presents numerical calculations for establishing the impact of temperature changes on the process of distortion of biphase medium represented using Biot consolidation equations with Kelvin–Voigt rheological skeleton presented, on the example of thermo-consolidation of a pavement of expressway S17. We analyzed the behavior of the expressway under the action of its own weight, dynamic load caused by traffic and temperature gradient. This paper presents the application of the Biot consolidation model with the Kelvin–Voigt skeleton rheological characteristics and the influence of temperature on the deformation process is taken into account. A three-dimensional model of the medium was created describing the thermal consolidation of a porous medium. The 3D geometrical model of the area under investigation was based on data obtained from the land surveying and soil investigation of a 200 m long section of the expressway and its shoulders.