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Study on preparation and properties of epoxy asphalt for pavement of concrete bridge deck
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[1]Cong PeiLIANG,LIU Jianfei,ZHAO Zhiqiang,et al.Study on preparation and properties of epoxy asphalt for pavement of concrete bridge deck[J].Journal of Zhengzhou University (Engineering Science),2014,35(06):78-81.[doi:10.3969/ j. issn.1671 -6833.2014.06.019]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 35卷 Number of periods: 2014 06 Page number: 78-81 Column: Public date: 2014-11-25
Title:
Study on preparation and properties of epoxy asphalt for pavement of concrete bridge deck
Author(s):
Cong PeiLIANG; LIU Jianfei; ZHAO Zhiqiang; etc;
1. School of Materials Science and Engineering, Chang ’an University, Xi ’an 710064, China;2. Engineering Research Center of Transportation Pavement Materials, Ministry of Education, Chang ’an University, Xi ’an 710064, China
Keywords:
Epoxy asphalt; Bridge deck paving materials; Road performance; Resin content; Mechanical property
CLC:
U416.217
DOI:
10.3969/ j. issn.1671 -6833.2014.06.019
Abstract:
Aiming at the application of epoxy asphalt in concrete bridge pavement, epoxy asphalt was prepared. The effects of different resin content on viscosity, high and low temperature properties of epoxy asphalt bond, mechanical properties, low temperature crack resistance and high temperature stability of epoxy asphalt mixture were studied.The results show that the addition of epoxy resin can improve the road performance and mechanical properties of asphalt mixture. With the increase of the addition amount, the curing reaction process of epoxy asphalt is accelerated, the high temperature performance and fatigue resistance are enhanced, the stiffness modulus is increased, the creep rate is decreased, the low temperature crack resistance is decreased, and the fatigue resistance and high temperature stability of asphalt mixture are improved.By comprehensive analysis,30% is the best dosage of epoxy resin.
References:
[1]刘浩.高模量沥青混凝土桥面铺装材料性能研究及在甘肃高速公路中的应用[ D].重庆:重庆交通大学土木建筑学院,2012.
[2]赵志强.水泥混凝土桥面铺装用环氧沥青及其混合料性能研究[ D].西安:长安大学材料科学与工程学院,2012.
[3]王少华.连续梁桥混凝土桥面铺装层的结构设计研究[ D].济南:山东大学土建与水利学院,2008.
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