Thermal stress and fracture temperature prediction for flexible pavement
ZHONG Yang1, GENG Li-tao1,2
1.School of Transportation Engineering,Dalian University of Technology,Dalian 116024,China;2.Laboratory of Road Engineering,Shandong Jianzhu University,Jinan 250101,China
Abstract:
Analytical solutions of thermal stresses in multilayered elastic system whose materials characteristics are dependent on temperature are derived by a transfer matrix and integral transformation method.The resulting formulation is used to calculate thermal stresses in the low temperature cracking problem of asphalt pavement.Numerical simulations and analyses are performed using different structural combinations and material characteristics of base course.And fracture temperatures are predicted for a given flexible pavement constructed with three types of asphalt mixtures based on the calculated results and experimental data.This approach serves as a better model for real pavement structure as it takes into account the relationships between the material characteristics and temperature in the pavement system.
Key words: flexible pavement thermal stresses Integral transformation transfer matrix method temperature-dependent material characteristics fracture temperatures prediction
DOI：10.11916/j.issn.1005-9113.2010.06.024
Clc Number:U414
Fund:
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Thermal stress and fracture temperature prediction for flexible pavement
本站小编 哈尔滨工业大学/2019-10-23
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