International Journal of Materials Chemistry and Physics
Articles Information
International Journal of Materials Chemistry and Physics, Vol.2, No.1, Feb. 2016, Pub. Date: Jan. 9, 2016
Modification of Asphalt Cement Properties and Chemical Properties by Polyprolene and Cellulose Additives
Pages: 33-39 Views: 1777 Downloads: 1415
Authors
[01] Mohammed Abbas Hasan Al-Jumaili, Civil Engineering Department /Faculty of Engineering, University of Kufa, Al-Najaf City, Iraq.
Abstract
The study investigated the physical and rheological properties of asphalt binder modified by polypropylene and cellulose materials. The tests were conducted in the study; conventional tests such as; penetration, softening point and ductility, and unconventional tests such as rotational viscosity and dynamic shear rheometer (DSR). From the conventional tests it found that the hardness of modified asphalt binder with the addition of polypropylene and cellulose materials up to 5%. As a result of increased the hardness the softening point of modified asphalt improved compared with base asphalt binder. The rheological property of modified binders enhanced at low temperatures and high temperatures, as the results of DSR test showed that the G* were improved. The addition of a different percentages of polypropylene and cellulose fibers to base binder had remarkable influence of resistant to permanent deformation (high temperatures rutting and low temperature fatigue).
Keywords
Polypropylene, Cellulose, Physical and Rheological Properties, Conventional Tests, Modified Asphalt Binder, Dynamic Shear Rheometer and Rutting and Fatigue Parameters
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