Chapter
Apr 26, 2012
Fatigue Characteristics of Modified Asphalts and SMA
Authors: Yun Zeng and Shuhua GuoAuthor Affiliations
Publication: Applications of Advanced Technologies in Transportation Engineering (2004)
Abstract
The fatigue damage behavior of a base asphalt and various modified asphalts were evaluated by DSR tests at 5% and 10% strains. Two kinds of evaluation method of complex shear modulus (G*) were adopted. The results showed that the complex modulus G* can characterize qualitatively the damage trend of various binder and the specification of Dissipated Energy Ratio DER can be directly and explain quantitatively the damage degree of fatigue. The fatigue testing of Natural lake asphalt SMA and PG76-28 SMA results at controlled strain level showed that the SMA made with natural asphalt has higher initial flexural stiffness.
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Published In
Applications of Advanced Technologies in Transportation Engineering (2004)
Pages: 572 - 577
Copyright
© 2004 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Authors
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Yun Zeng
Koch material Company of China Branch
Shuhua Guo
Koch material Company of China Branch
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.