Permanent deformation investigation of rubber polymer modified binder in superpave hot mix asphalt mixture / Ekarizan Shaffie... [et al.]

Shaffie, Ekarizan and Arshad, Ahmad Kamil and Putra Jaya, Ramadhansyah and Masri, Khairil Azman and Hashim, Wardati (2020) Permanent deformation investigation of rubber polymer modified binder in superpave hot mix asphalt mixture / Ekarizan Shaffie... [et al.]. Journal of Academia, 8 (1). pp. 45-52. ISSN 2289-6368


Moisture susceptibiltiy is one of the common types of pavement failure found in asphaltic pavements. Climatic factor such as temperature and moisture has a profound effect on the durability of hot mix asphalt pavements. Couple with high traffic loads/stresses made stripping of pavement materials inevitable. Thus, it has become necessary to improve the efficiency of the design of hot mix asphalt (HMA) for better performance and safe riding comfort. This study investigates and discusses the findings on the stripping performance of dense graded Superpave mixes using two type of binder; un-modified binder and rubber polymer modified binder (RPM) using Superpave mix design (AASHTO TP4) procedure. The RPM binder consists of 4% of both rubber crumb and EVA polymer. Modified Lottman and Resilient Modulus tests were used to evaluate the stripping performance in these mixtures and this study also documents the effect of different temperature on tensile strength ratio (TSR) and resilient modulus ratio (RMR) on the HMA mixtures. Experimental evidences show that the RPM binder mixes were found to have significantly improved the resistance to moisture damage compared to unmodified binder mixtures. The RPM binder application may able to alleviate problems related to aggregate stripping and potholes on our road. Statistical analysis showed good correlation between resilient modulus and tensile strength ratio.


Item Type: Article
Email / ID Num.
Shaffie, Ekarizan
Arshad, Ahmad Kamil
Putra Jaya, Ramadhansyah
Masri, Khairil Azman
Hashim, Wardati
Subjects: T Technology > TA Engineering. Civil engineering > Materials of engineering and construction > Concrete
T Technology > TA Engineering. Civil engineering > Earthwork. Foundations
Divisions: Universiti Teknologi MARA, Negeri Sembilan > Kuala Pilah Campus
Journal or Publication Title: Journal of Academia
UiTM Journal Collections: UiTM Journal > Journal of Academia (JoA)
ISSN: 2289-6368
Volume: 8
Number: 1
Page Range: pp. 45-52
Keywords: Rubber Polymer, Resilient Modulus, stripping, Moisture Susceptibility, Tensile Strength
Date: 2020
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