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Research on Creep Performance for High Modulus Asphalt Concrete
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[1]ZHOU Qinghua,SHA Aimin.Research on Creep Performance for High Modulus Asphalt Concrete[J].Journal of Zhengzhou University (Engineering Science),2012,33(04):23-27.[doi:10.3969/j.issn.1671-6833.2012.04.006]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 33 Number of periods: 2012 04 Page number: 23-27 Column: Public date: 2012-07-10
Title:
Research on Creep Performance for High Modulus Asphalt Concrete
Author(s):
ZHOU Qinghua; SHA Aimin
1. Department of Highway Enginecring, Shan’ xi Collcge of Communications Technology, Xi*an 710021, China; 2. College of Highway Engineering,Chang"an niversity,Xi’an 710064,China
Keywords:
road engineering; high modulus asphalt concrete;  creep performance;  stiffness modulus
CLC:
U416.217
DOI:
10.3969/j.issn.1671-6833.2012.04.006
Abstract:
The creep stiffness modulus of the high modulus asphalt concrete was tested through uniaxial compression ereep test and low temperature bending creep test, Based on the test data, the influence laws of mate.rial composition to creep performance of high modulus asphalt concrete were analyzed. The results showed thalow grade bitumen and additives couid enhanee the creep stiffness modulus significantly, reduce the instanta.neous deformation and the speed of viscoelastic deformation, but the relaxation ability to flexural stress in lowtemperature also decreased.
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