Aging effect on the physical properties of polyurethane modified bitumen

One of the ways oxidation affect pavement properties is through the aging of bitumen. The aim of this research is to evaluate the effects of aging on 60/70 penetration grade bitumen modified with polyurethane (PU). The unmodified and modified bitumen were artificially aged using the rolling thin fil...

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Main Authors:	Khairuddin, Faridah Hanim, Ibrahim, Ahmad Nazrul Hakimi, Rahmad, Suzielah, Md Yusoff, Nur Izzi, Badri, Khairiah, Misnon, Noor Aina, Ismail, Norfarah Nadia
Format:	Article
Language:	English
Published:	Science Publishing Corporation Inc. 2018
Subjects:	TA Engineering (General). Civil engineering (General) TA401 Materials of engineering and construction TE Highway engineering. Roads and pavements
Online Access:	http://irep.iium.edu.my/70740/ http://irep.iium.edu.my/70740/ http://irep.iium.edu.my/70740/ http://irep.iium.edu.my/70740/1/70740_Aging%20Effect%20on%20The%20Physical%20Properties.pdf

id	iium-70740
recordtype	eprints
spelling	iium-707402019-07-12T08:18:22Z http://irep.iium.edu.my/70740/ Aging effect on the physical properties of polyurethane modified bitumen Khairuddin, Faridah Hanim Ibrahim, Ahmad Nazrul Hakimi Rahmad, Suzielah Md Yusoff, Nur Izzi Badri, Khairiah Misnon, Noor Aina Ismail, Norfarah Nadia TA Engineering (General). Civil engineering (General) TA401 Materials of engineering and construction TE Highway engineering. Roads and pavements One of the ways oxidation affect pavement properties is through the aging of bitumen. The aim of this research is to evaluate the effects of aging on 60/70 penetration grade bitumen modified with polyurethane (PU). The unmodified and modified bitumen were artificially aged using the rolling thin film oven (RTFO) and pressure aging vessel (PAV) methods to simulate short term aging (STA) and long-term aging (LTA), respectively. Effects of aging were evaluated by performing consistency tests namely penetration, softening point, viscosity tests at 135°C, and through aging index. The results of these tests shows that adding 3% PU to the bitumen decreases the penetration value while at the same time increasing its softening point in comparison to base bitumen (B-B). A very high increase in viscosity was observed due to the hardening effect of PU. The computed aging index (AI) shows that PU reduces aging effects on the physical properties of the bitumen as indicated by the lower aging index value of the penetration, softening point, and viscosity tests subsequent to aging. The addition of PU clearly results in improved bitumen resistance to oxidative aging. Morphology observation shows that no separation occurs in the polyurethane modified bitumen (B-PU) and that the sample was homogeneously blended and uniformly dispersed during the mixing process. Science Publishing Corporation Inc. 2018 Article PeerReviewed application/pdf en http://irep.iium.edu.my/70740/1/70740_Aging%20Effect%20on%20The%20Physical%20Properties.pdf Khairuddin, Faridah Hanim and Ibrahim, Ahmad Nazrul Hakimi and Rahmad, Suzielah and Md Yusoff, Nur Izzi and Badri, Khairiah and Misnon, Noor Aina and Ismail, Norfarah Nadia (2018) Aging effect on the physical properties of polyurethane modified bitumen. International Journal of Engineering & Technology, 7 (4.33). pp. 410-413. ISSN 2227-524X https://www.sciencepubco.com/index.php/ijet/article/view/26088 10.14419/ijet.v7i4.33.26088
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	TA Engineering (General). Civil engineering (General) TA401 Materials of engineering and construction TE Highway engineering. Roads and pavements
spellingShingle	TA Engineering (General). Civil engineering (General) TA401 Materials of engineering and construction TE Highway engineering. Roads and pavements Khairuddin, Faridah Hanim Ibrahim, Ahmad Nazrul Hakimi Rahmad, Suzielah Md Yusoff, Nur Izzi Badri, Khairiah Misnon, Noor Aina Ismail, Norfarah Nadia Aging effect on the physical properties of polyurethane modified bitumen
description	One of the ways oxidation affect pavement properties is through the aging of bitumen. The aim of this research is to evaluate the effects of aging on 60/70 penetration grade bitumen modified with polyurethane (PU). The unmodified and modified bitumen were artificially aged using the rolling thin film oven (RTFO) and pressure aging vessel (PAV) methods to simulate short term aging (STA) and long-term aging (LTA), respectively. Effects of aging were evaluated by performing consistency tests namely penetration, softening point, viscosity tests at 135°C, and through aging index. The results of these tests shows that adding 3% PU to the bitumen decreases the penetration value while at the same time increasing its softening point in comparison to base bitumen (B-B). A very high increase in viscosity was observed due to the hardening effect of PU. The computed aging index (AI) shows that PU reduces aging effects on the physical properties of the bitumen as indicated by the lower aging index value of the penetration, softening point, and viscosity tests subsequent to aging. The addition of PU clearly results in improved bitumen resistance to oxidative aging. Morphology observation shows that no separation occurs in the polyurethane modified bitumen (B-PU) and that the sample was homogeneously blended and uniformly dispersed during the mixing process.
format	Article
author	Khairuddin, Faridah Hanim Ibrahim, Ahmad Nazrul Hakimi Rahmad, Suzielah Md Yusoff, Nur Izzi Badri, Khairiah Misnon, Noor Aina Ismail, Norfarah Nadia
author_facet	Khairuddin, Faridah Hanim Ibrahim, Ahmad Nazrul Hakimi Rahmad, Suzielah Md Yusoff, Nur Izzi Badri, Khairiah Misnon, Noor Aina Ismail, Norfarah Nadia
author_sort	Khairuddin, Faridah Hanim
title	Aging effect on the physical properties of polyurethane modified bitumen
title_short	Aging effect on the physical properties of polyurethane modified bitumen
title_full	Aging effect on the physical properties of polyurethane modified bitumen
title_fullStr	Aging effect on the physical properties of polyurethane modified bitumen
title_full_unstemmed	Aging effect on the physical properties of polyurethane modified bitumen
title_sort	aging effect on the physical properties of polyurethane modified bitumen
publisher	Science Publishing Corporation Inc.
publishDate	2018
url	http://irep.iium.edu.my/70740/ http://irep.iium.edu.my/70740/ http://irep.iium.edu.my/70740/ http://irep.iium.edu.my/70740/1/70740_Aging%20Effect%20on%20The%20Physical%20Properties.pdf
first_indexed	2023-09-18T21:40:25Z
last_indexed	2023-09-18T21:40:25Z
_version_	1777413102711603200

Aging effect on the physical properties of polyurethane modified bitumen

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