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Fibers 2018, 6(3), 53; https://doi.org/10.3390/fib6030053

Experimental Investigation of the Physical and Mechanical Properties of Sisal Fiber-Reinforced Concrete

1
Civil Engineering Department, Pan African University Institute for Basic Science, Technology and Innovation Hosted at Jomo Kenyatta University of Agriculture and Technology, Nairobi 62000-00200, Kenya
2
Department of Civil and Construction Engineering, University of Nairobi, Nairobi 30197-00100, Kenya
*
Author to whom correspondence should be addressed.
Received: 16 June 2018 / Revised: 4 July 2018 / Accepted: 11 July 2018 / Published: 1 August 2018
(This article belongs to the Special Issue Recent Advancements in Fiber Reinforced Concrete And its Applications)
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Abstract

Concrete is a very popular material in the construction industry—it is, however, susceptible to quasi-brittle failure and restricted energy absorption after yielding. The incorporation of short discrete fibers has shown great promise in addressing these shortfalls. A natural fiber such as sisal is renewable, cheap, and easily available. It has also exhibited good tensile strength and can significantly improve the performance of concrete. In this study, the physical and mechanical properties of sisal fiber-reinforced concrete were reported. Sisal fibers were added in the mix at percentages of 0.5%, 1.0%, 1.5%, and 2.0% by weight of cement. Physical properties measured are workability, water absorption, and density while mechanical properties reported are compression strength, split tensile strength, and static modulus of elasticity. The computed modulus of elasticity of sisal fiber-reinforced concrete was compared with predicted values in some common design codes. From the study, it was concluded that sisal fiber can enhance the split tensile strength and Young’s modulus of concrete but cannot improve its workability, water absorption, and compressive strength. View Full-Text
Keywords: sisal fiber; sisal fiber-reinforced concrete (SFRC); compressive strength; split tensile strength; static modulus of elasticity sisal fiber; sisal fiber-reinforced concrete (SFRC); compressive strength; split tensile strength; static modulus of elasticity
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Okeola, A.A.; Abuodha, S.O.; Mwero, J. Experimental Investigation of the Physical and Mechanical Properties of Sisal Fiber-Reinforced Concrete. Fibers 2018, 6, 53.

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