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Effect of Changes in the Content of Catana Phase in the Asphalt Binder on the Mechanical Properties.

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Title: Effect of Changes in the Content of Catana Phase in the Asphalt Binder on the Mechanical Properties.
Authors: Huo, Donghui1 (AUTHOR) qhdlqbgs@126.com, Hou, Debao1 (AUTHOR) m17733508639@163.com, Yao, Xiupeng2,3 (AUTHOR) YAOXP@emails.bjut.edu.cn, Gao, Wei1 (AUTHOR) 13703356931@139.com, Yu, Changchun1 (AUTHOR) 13933646818@139.com, Jia, Ling1 (AUTHOR) m13933532824@163.com, Li, Jianping1 (AUTHOR) 13603355751@163.com, Guo, Meng2,3 (AUTHOR) gm@bjut.edu.cn, Luo, Daisong2,3 (AUTHOR) luods@motcats.ac.cn
Source: International Journal of Pavement Research & Technology. Feb2026, Vol. 19 Issue 2, p487-496. 10p.
Subjects: Mechanical behavior of materials, Bituminous materials, Strains & stresses (Mechanics), Finite element method, Deterioration of materials, Stress concentration
Abstract: During the aging and rejuvenation process of asphalt binder, the proportion of the catana phase in the bee structure on its appearance will change, and the influence of this change on the mechanical performances of the asphalt binder needs to be further investigated. Therefore, a two-dimensional finite element model of the bee structure is constructed on account of the processed AFM images of asphalt binder. The stress and strain distribution law about asphalt binder microstructure was investigated by comparing and analyzing the results of simulation calculations. The results of the study show that the stress in the catana phase of asphalt binder appearance is significantly larger than that in the peri phase, the internal stress in the para phase is the lowest. The catana phase exhibits the least tensile strain due to the fact that it has the largest modulus of elasticity, whereas the tensile strain within the asphalt binder is mainly concentrated in the para phase. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Pavement Research & Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 191206708
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Effect of Changes in the Content of Catana Phase in the Asphalt Binder on the Mechanical Properties.
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  Data: <searchLink fieldCode="AR" term="%22Huo%2C+Donghui%22">Huo, Donghui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> qhdlqbgs@126.com</i><br /><searchLink fieldCode="AR" term="%22Hou%2C+Debao%22">Hou, Debao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> m17733508639@163.com</i><br /><searchLink fieldCode="AR" term="%22Yao%2C+Xiupeng%22">Yao, Xiupeng</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<i> YAOXP@emails.bjut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Gao%2C+Wei%22">Gao, Wei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 13703356931@139.com</i><br /><searchLink fieldCode="AR" term="%22Yu%2C+Changchun%22">Yu, Changchun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 13933646818@139.com</i><br /><searchLink fieldCode="AR" term="%22Jia%2C+Ling%22">Jia, Ling</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> m13933532824@163.com</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Jianping%22">Li, Jianping</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 13603355751@163.com</i><br /><searchLink fieldCode="AR" term="%22Guo%2C+Meng%22">Guo, Meng</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<i> gm@bjut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Luo%2C+Daisong%22">Luo, Daisong</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<i> luods@motcats.ac.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Pavement+Research+%26+Technology%22">International Journal of Pavement Research & Technology</searchLink>. Feb2026, Vol. 19 Issue 2, p487-496. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Bituminous+materials%22">Bituminous materials</searchLink><br /><searchLink fieldCode="DE" term="%22Strains+%26+stresses+%28Mechanics%29%22">Strains & stresses (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Deterioration+of+materials%22">Deterioration of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Stress+concentration%22">Stress concentration</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: During the aging and rejuvenation process of asphalt binder, the proportion of the catana phase in the bee structure on its appearance will change, and the influence of this change on the mechanical performances of the asphalt binder needs to be further investigated. Therefore, a two-dimensional finite element model of the bee structure is constructed on account of the processed AFM images of asphalt binder. The stress and strain distribution law about asphalt binder microstructure was investigated by comparing and analyzing the results of simulation calculations. The results of the study show that the stress in the catana phase of asphalt binder appearance is significantly larger than that in the peri phase, the internal stress in the para phase is the lowest. The catana phase exhibits the least tensile strain due to the fact that it has the largest modulus of elasticity, whereas the tensile strain within the asphalt binder is mainly concentrated in the para phase. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Pavement Research & Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=191206708
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      – SubjectFull: Bituminous materials
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      – SubjectFull: Strains & stresses (Mechanics)
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      – SubjectFull: Finite element method
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      – SubjectFull: Deterioration of materials
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      – SubjectFull: Stress concentration
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              Text: Feb2026
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