Effect of crumb rubber concentration on the physical and rheological properties of rubberised bitumen binders

Mashaan, N.S. and Ali, A.H. and Karim, Mohamed Rehan and Abdelaziz, M. (2011) Effect of crumb rubber concentration on the physical and rheological properties of rubberised bitumen binders. International Journal of the Physical Sciences, 6 (4). pp. 684-690. ISSN 1992-1950,

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The increase use of crumb rubber in flexible pavements requires the better understanding of its effect on physical and rheological properties of rubberised bitumen binders. The performance properties of rubberised bitumen binder are influenced by the blending conditions and crumb rubber content. The main objective of this research is to investigate the effect of various crumb rubber content on the physical, rheological properties and rutting resistance of rubberised bitumen. Laboratory tests were conducted to evaluate such related properties of bitumen binder with different rubber contents. The tests undertaken comprise the ductility test, elastic recovery test, penetration test and dynamic shear rheometer (DSR) test. The results showed that the addition of crumb rubber has an effect on the physical properties of rubberised bitumen binders, by increasing its elastic recovery and decreasing its penetration and ductility. The rubberised bitumen binder with higher crumb rubber content has an obvious effect on the rheological properties (increase in complex shear modulus G, storage modulus G', loss modulus G'' and decrease in phase angle δ). The results indicated that the rubber content has the potential to resist rutting deformation that occurs in road pavement as result of increased traffic loading.

Item Type: Article
Additional Information: Cited By (since 1996):5 Export Date: 16 December 2013 Source: Scopus Language of Original Document: English Correspondence Address: Mashaan, N. S.; Center for Transportation Research, Department of Civil Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia; email: nuhaasim@yahoo.com References: Abdelrahman, M.A., Carpenter, S.H., Mechanism of interaction of asphalt cement with crumb rubber modifier (1999) Transp. Res. Board, 1661, pp. 106-113; Airey, G.D., Rahman, M.M., Collop, A.C., Absorption of bitumen into crumb rubber using the basket drainage method (2003) Int. J. Pavement Eng., 4 (2), pp. 105-109; Bahia, H.U., Davies, R., Effect of crumb rubber modifiers (CRM) on performance related properties of asphalt binders (1994) J. Assoc. Asphalt Paving Technol., 63, pp. 414-449; Ibrahim, M.R., Katman, H.Y., Rehan, M., Mahrez, A., Properties of rubberised bitumen mixes prepared with wet and dry mixing process (2009) Proc. Eastern Asia Soc. Transp. Stud., 7, pp. 1-11; Jeong, K.D., Lee, S.J., Amirkhanian, S.N., Kim, K.W., Interaction of crumb rubber modified asphalt binder (2010) Constr. Build. Mater., 24, pp. 824-831; Katman, H.Y., Karim, M.R., Mahrez, A., Ibrahim, M.R., Performance of wet mix rubberized porous asphalt (2005) Proc. Eastern Asia Soc. Transp. Stud., 5, pp. 695-708; Katman, H.Y., Karim, M.R., Ibrahim, M.R., Mahrez, A., Effect of mixing type on performance of rubberized porous asphalt (2005) Proc. Eastern Asia Soc. Transp. Stud., 5, pp. 762-771; Liu, S., Cao, W., Fang, J., Shang, S., Variance analysis and performance evaluation of different crumb rubber modified (CRM) asphalt (2009) Constr. Build. Mater., 23, pp. 2701-2708; Memon, G.M., Chollar, B.H., Thermal characterization of crumb rubber modifier asphalt (1997) 24th NATAS Conference, , San Francisco. CA; Navarro, F.J., Paratal, P., Martinez, B.F., Gallegos, C., Thermo-rheological behaviour and storage stability of ground tire rubbermodified bitumen (2004) Fuel, 83, pp. 2041-2049; Shen, J., Amirkhanian, S., The Influence of crumb rubber modifier (CRM) microstructure on the high temperature properties of CRM binder (2005) Int. J. Pavement Eng., 6 (4), pp. 365-371; Widyatmoko, I., Elliott, R., Characteristics of elastomeric and plastomeric binders in contact with natural asphalts (2008) Constr. Build. Mater., 22, pp. 239-249; Yildrim, Y., Polymer modified asphalt binder (2007) J. Build. Constr. Mater., 21, pp. 66-72; Zanzotto, L., Kennepohl, G.J., Development of rubber binders by depolymerization/devulcanization of scrap tires in asphalt (1996) Transp. Res. Record, 1530, pp. 51-58
Uncontrolled Keywords: Bitumen, Crumb rubber, Ductility, Elastic recovery, Penetration, Rheology, Rubberised bitumen, Rutting resistance, Temperature susceptibility,
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 20 Mar 2014 02:31
Last Modified: 20 Mar 2019 08:17
URI: http://eprints.um.edu.my/id/eprint/8793

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