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Stiffness modulus and creep properties of the coconut shell in an asphalt mixture

Yaacob, H. and Jaya, R. P. and Madzaili, A. H. and Hassan, N. A. and Abdullah, M. E. and Jayanti, D. S. (2017) Stiffness modulus and creep properties of the coconut shell in an asphalt mixture. Journal of Fundamental and Applied Sciences, 9 (6S). pp. 50-58. ISSN 1112-9867

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Official URL: http://dx.doi.org/10.4314/jfas.v9i6s.5


Coconut shell (CS) is an agricultural waste engineered into a road construction material. This study was conducted to evaluate the stiffness modulus and dynamic creep properties of the asphaltic concrete containing CS as an aggregate replacement. A mixture design incorporating the bitumen penetration grade 60/70 was used to produce specimens for testing. Four CS replacements namely 0%, 10%, 20%, 30% and 40% by weight volumes were used. The asphaltic concrete performances were characterized by stiffness modulus, dynamic creep and the correlation between the strain and the loading time. Test results revealed that using CSs as aggregate replacements in the asphaltic concrete help increase the resilient modulus and creep stiffness at approximately 15%. Therefore, the incorporation of CS exhibits considerable potential as road construction material.

Item Type:Article
Uncontrolled Keywords:asphalt mixture, coconut shell, creep modulus, stiffness modulus, properties
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Civil Engineering
ID Code:77487
Deposited By: Yanti Mohd Shah
Deposited On:30 Nov 2018 15:10
Last Modified:30 Nov 2018 15:10

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