Analysis of the Aging Behavior of Asphalt Based on Gray and Catastrophic Theories

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Analysis of the Aging Behavior of Asphalt Based on Gray and Catastrophic Theories

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[1]ZHANG Hong-mei,BIAN Kai-lei,LIU Sheng-jie,et al.Analysis of the Aging Behavior of Asphalt Based on Gray and Catastrophic Theories[J].Journal of Zhengzhou University (Engineering Science),2013,34(01):31-34.[doi:10.3969/j.issn.1671-6833.2013.01.008]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 34 Number of periods: 2013 01 Page number: 31-34 Column: Public date: 2013-01-16

Title:: Analysis of the Aging Behavior of Asphalt Based on Gray and Catastrophic Theories

Author(s):: ZHANG Hong-mei1; BIAN Kai-lei2; LIU Sheng-jie3; XU Dong3; 1.CivilEngineering Department , Qingdao Technology University , Linyi 273400 ,China;2.China Petroleum Pipeline EngineeringCompany Limited，Langfang 065001 , China;3.Key Laboratory for Special Area Highway Engineering of Ministry of Education,Chang ’ an University ，Xi ’ an 710064 , China

Keywords:: road engineering; asphalt aging; RTFOT; aging rule; gray-catastrophic

CLC:: U414

DOI:: 10.3969/j.issn.1671-6833.2013.01.008

Abstract:: In order to forecast the time regularity of the asphalt thermal and oxygen aging,the RTFOT experi-ment was applied,according to the principle of evaluating system stability with the variable tendency of itscompatibility,the destabilization of asphalt aging was predicted with the grey-cusp-catastrophic destabilizationprediction model. The research results show that the catastrophe exits in the aging process, and hysteresis phe-nomenon exits between catastrophe and aging actions. For the asphalt mixture,the heating time should not ex-ceed 50 min, and to make the asphalt pavement have the long services life,the measures should be taken toextend the catastrophic happened time.

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