Rutting prediction of asphalt concrete pavement based on COMSOL

doi:10.3969/j.issn.1000-1565.2020.06.003

Abstract

Abstract: This paper simulates the creep of matrix asphalt pavement and high modulus asphalt pavement under high temperature field. With the help of COMSOL software, temperature field and temperature induced creep model are introduced to conduct thermal radiation and solid mechanics coupling effect on matrix asphalt concrete pavement and HMAC pavement. The permanent deformation of matrix asphalt concrete pavement and HMAC pavement is analyzed and compared under vehicle load. The influence of external environment temperature, solar radiation and vehicle load on the development of rutting deformation is studied. It can accurately predict the depth of pavement rutting, study and analyze the creep deformation caused by rutting, put forward reasonable prevention measures for pavement rutting, reduce the permanent deformation of pavement, provide reference value for pavement material selection and structure optimization, and extend the service life of asphalt pavement.

Key words: high temperature, rut, creep, COMSOL

CLC Number:

U414

GAO Yu, TENG Xuqiu. Rutting prediction of asphalt concrete pavement based on COMSOL[J]. Journal of Hebei University(Natural Science Edition), 2020, 40(6): 578-584.

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