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Triaxial testing and stress relaxation of asphalt concrete
Published in Elsevier
2004
Volume: 36
   
Issue: 9
Pages: 849 - 864
Abstract
This study is concerned with the constitutive modeling of asphalt concrete mixtures. The constitutive model derived is based on a thermodynamic framework that recognizes the fact that materials can exist in multiple stress free states. We derive the constitutive relations by assuming that asphalt concrete is a constrained two constituent mixture of asphalt mastic and aggregate matrix. Assumptions are made concerning the manner in which the body stores and dissipates energy and the constitutive relations for the stress is deduced from such an assumption. The triaxial and stress relaxation tests conducted by Monismith and Secor [Viscoelastic behavior of asphalt concrete pavements. Report, Institute of Transportation and Traffic Engineering, University of California, Berkeley, 1962] are used as benchmarks to delineate the efficacy of the model in predicting the mechanical response characteristics of asphalt concrete over a wide range of temperatures and confining pressures. © 2003 Elsevier Ltd. All rights reserved.
About the journal
JournalData powered by TypesetMechanics of Materials
PublisherData powered by TypesetElsevier
Open AccessNo