Rheological properties of styrene-butadiene-rubber modified bitumen

This study investigates the rheological properties of bitumen (asphalt) binder penetration grade 60-70 modified with an additive Styrene Butadiene Rubber (SBR). SBR is an elastomer which is the important sort of synthetic rubber. It is a copolymer which consists of organic compound styrene and butad...

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Main Author:	Mughal, Moazzam Ali
Format:	Thesis
Language:	English
Published:	2015
Subjects:	TA Engineering (General) Civil engineering (General)
Online Access:	http://eprints.utm.my/id/eprint/53792/25/MoazzamAliMughalMFKA2015.pdf
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id	my-utm-ep.53792
record_format	uketd_dc
spelling	my-utm-ep.537922020-09-02T08:47:44Z Rheological properties of styrene-butadiene-rubber modified bitumen 2015-01 Mughal, Moazzam Ali TA Engineering (General). Civil engineering (General) This study investigates the rheological properties of bitumen (asphalt) binder penetration grade 60-70 modified with an additive Styrene Butadiene Rubber (SBR). SBR is an elastomer which is the important sort of synthetic rubber. It is a copolymer which consists of organic compound styrene and butadiene chain which makes up its molecular structure. Bitumen is visco-elastic material where temperature and rate of load application have a great influence on their performance. The properties evaluated include the rheological properties of the modified bitumen binder. These properties were complex shear modulus G* using Dynamic Shear Rheometer (DSR), short term aging by Rolling Thin Film Oven Test (RTFOT), long term aging by Pressure Aging Vessel (PAV), viscosity by Rotational Viscometer (RV), penetration by Penetro meter and softening point by Ring and Ball test. Results obtained from the study indicated the effect of SBR on the binder, and also depends on the quantity (%) of the additive used and test temperature. The binders were mixed with various percentages of the SBR at the 1, 2, 3, 4 and 5% by weight of bitumen binder. Using the SBR showed prominent results in improving the viscoelastic properties of ordinary bitumen. The effects of SBR modifier influenced significantly the rheological behavior of bitumen by increasing its complex shear modulus (G*) and increasing the resistance of mixture against permanent deformation (Rutting). Despite the advantages of SBR on bitumen performance at high temperatures, it does not show a considerable influence on the intermediate temperature performance of bitumen. In addition, results show that increasing the additive content increases the viscosity of modified bitumen. This in return resists the compactive effort and there will be low stability values and there will be more chances for fatigue cracking. 2015-01 Thesis http://eprints.utm.my/id/eprint/53792/ http://eprints.utm.my/id/eprint/53792/25/MoazzamAliMughalMFKA2015.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:85400 masters Universiti Teknologi Malaysia, Faculty of Civil Engineering Faculty of Civil Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TA Engineering (General) Civil engineering (General)
spellingShingle	TA Engineering (General) Civil engineering (General) Mughal, Moazzam Ali Rheological properties of styrene-butadiene-rubber modified bitumen
description	This study investigates the rheological properties of bitumen (asphalt) binder penetration grade 60-70 modified with an additive Styrene Butadiene Rubber (SBR). SBR is an elastomer which is the important sort of synthetic rubber. It is a copolymer which consists of organic compound styrene and butadiene chain which makes up its molecular structure. Bitumen is visco-elastic material where temperature and rate of load application have a great influence on their performance. The properties evaluated include the rheological properties of the modified bitumen binder. These properties were complex shear modulus G* using Dynamic Shear Rheometer (DSR), short term aging by Rolling Thin Film Oven Test (RTFOT), long term aging by Pressure Aging Vessel (PAV), viscosity by Rotational Viscometer (RV), penetration by Penetro meter and softening point by Ring and Ball test. Results obtained from the study indicated the effect of SBR on the binder, and also depends on the quantity (%) of the additive used and test temperature. The binders were mixed with various percentages of the SBR at the 1, 2, 3, 4 and 5% by weight of bitumen binder. Using the SBR showed prominent results in improving the viscoelastic properties of ordinary bitumen. The effects of SBR modifier influenced significantly the rheological behavior of bitumen by increasing its complex shear modulus (G*) and increasing the resistance of mixture against permanent deformation (Rutting). Despite the advantages of SBR on bitumen performance at high temperatures, it does not show a considerable influence on the intermediate temperature performance of bitumen. In addition, results show that increasing the additive content increases the viscosity of modified bitumen. This in return resists the compactive effort and there will be low stability values and there will be more chances for fatigue cracking.
format	Thesis
qualification_level	Master's degree
author	Mughal, Moazzam Ali
author_facet	Mughal, Moazzam Ali
author_sort	Mughal, Moazzam Ali
title	Rheological properties of styrene-butadiene-rubber modified bitumen
title_short	Rheological properties of styrene-butadiene-rubber modified bitumen
title_full	Rheological properties of styrene-butadiene-rubber modified bitumen
title_fullStr	Rheological properties of styrene-butadiene-rubber modified bitumen
title_full_unstemmed	Rheological properties of styrene-butadiene-rubber modified bitumen
title_sort	rheological properties of styrene-butadiene-rubber modified bitumen
granting_institution	Universiti Teknologi Malaysia, Faculty of Civil Engineering
granting_department	Faculty of Civil Engineering
publishDate	2015
url	http://eprints.utm.my/id/eprint/53792/25/MoazzamAliMughalMFKA2015.pdf
_version_	1747817628267708416

Rheological properties of styrene-butadiene-rubber modified bitumen

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