Influence and mechanism of ultraviolet aging on Bitumem performance

Tan, Yi-Qiu; Wang, Jia-Ni; Feng, Zhong-Liang; Zhou, Xing-Ye

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26th Annual Southern African Transport Conference 2007
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dc.contributor.author	Tan, Yi-Qiu
dc.contributor.author	Wang, Jia-Ni
dc.contributor.author	Feng, Zhong-Liang
dc.contributor.author	Zhou, Xing-Ye
dc.date.accessioned	2008-06-20T10:36:13Z
dc.date.available	2008-06-20T10:36:13Z
dc.date.issued	2007-07
dc.description	This paper was transferred from the original CD ROM created for this conference. The material on the CD ROM was published using Adobe Acrobat technology. The original CD ROM was produced by Document Transformation Technologies Postal Address: PO Box 560 Irene 0062 South Africa. Tel.: +27 12 667 2074 Fax: +27 12 667 2766 E-mail: doctech@doctech.co.za URL: http://www.doctech.co.za	en
dc.description.abstract	Paper presented at the 26th Annual Southern African Transport Conference 9 - 12 July 2007 "The challenges of implementing policy?", CSIR International Convention Centre, Pretoria, South Africa. ABSTRACT: Ultraviolet (UV) and thermal aging are two quite different types of aging. This study experimentally compares UV aging with thermal aging of several bituminous binders. Bitumen was evaluated with respect to its changes in physical and rheological properties. The results show that bitumen has different sensitivities to UV and thermal radiation. Penetration values, softening point and ductility of UV-aged bitumen are not the same as those in thermally aged bitumen. Rheological indices also reveal that UV aging and thermal aging have different influences on bitumen. The low-temperature property degraded remarkably due to UV aging. This paper also explains the mechanism of aging behaviour using infrared spectroscopy and chemical component investigation, and points out that aromatics and resins are the crucial chemical components for the anti-UV aging ability of bitumen.	en
dc.format.extent	785620 bytes
dc.format.mimetype	application/pdf
dc.identifier.citation	Tan, Y, Wang, J-N, Feng, Z-L & Zhou, X-Y 2007,'Influence and mechanism of ultraviolet aging on Bitumem performance', Paper presented to the 26th Annual Southern African Transport Conference, South Africa, 9 - 12 July 2007. 10p.	en
dc.identifier.isbn	192001702X
dc.identifier.uri	http://hdl.handle.net/2263/6009
dc.language	eng
dc.language.iso	en	en
dc.publisher	SATC	en
dc.relation.ispartof	SATC 2007
dc.rights	University of Pretoria	en
dc.subject	Transport policies	en
dc.subject	Ultraviolet (UV)	en
dc.subject	Thermal aging	en
dc.subject	Rheological indices	en
dc.subject	Infrared spectroscopy	en
dc.subject.lcsh	Transportation -- South Africa -- Congresses	en
dc.subject.lcsh	Pavements, Bituminous -- Deterioration -- Congresses	en
dc.subject.lcsh	Binders (Materials)-- Effect of radiation on -- South Africa -- Congresses
dc.title	Influence and mechanism of ultraviolet aging on Bitumem performance	en
dc.type	Presentation	en