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Advances in Materials Science and Engineering
Volume 2015 (2015), Article ID 860454, 4 pages
http://dx.doi.org/10.1155/2015/860454
Research Article

Finite Element Analysis on the Creep Constitutive Equation of High Modulus Asphalt Concrete

1School of Civil Engineering and Architecture, Zhejiang Sci-Tech University, Hangzhou 310018, China
2College of Environmental and Civil Engineering, Nanyang Technological University, Block Ni, Nanyang Avenue, Singapore 639798

Received 8 April 2015; Revised 25 June 2015; Accepted 6 July 2015

Academic Editor: Ana S. Guimarães

Copyright © 2015 Xiu-shan Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In order to obtain the viscoelastic constitutive relation of High Modulus Asphalt Concrete (HMAC), the constitutive relationship is used to carry on the various numerical calculation, utilize integral transforming in its Bailey-Norton creep rule, and establish new practical model. Combining with the collection data from creep tests of uniaxial compression, regression calculation is carried out with 1STOPT fitting software; thus the creep parameters of High Modulus Asphalt Concrete in different temperatures were obtained, which can be used in HMAC creep model.