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Mechanical Characterization of Earth-Based Composites Materials Reinforced with Treated Bamboo Fibres for Affordable Housing

Published online by Cambridge University Press:  20 April 2020

B. Jnr Asare  and
Y. Danyuo
B. Jnr Asare
Affiliation:
Department of Mechanical Engineering, Ashesi University, 1 University Avenue, Berekuso, Ghana.
Y. Danyuo*
Affiliation:
Department of Mechanical Engineering, Ashesi University, 1 University Avenue, Berekuso, Ghana.
*
*Corresponding Author: Email: yiporodanyuo@gmail.com, Mobile: +233550505434.
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Abstract

This paper presents the characterization of laterite-cement-based matrix composites, reinforced with chemically modified bamboo fibers. Fiber extraction and chemical modification were first explored by soaking slabs of bamboos in NaOH solution (5 wt.% of NaOH in distilled water) for 14 days. Fiber characterization, as well as the flexural and compressive strength of reinforced composites, were carried out with MTS universal mechanical testing machine. Comparative results on the compressive and flexural strength were obtained at 80 wt.% laterite (L) to 20 wt.% cement (C) with fiber ratios from 5-25 wt%. The compressive strength of the composites varied from 7.2 MPa (at 5 wt.% bamboo fiber) to 17.67 MPa (at 25 wt% fiber blocks). The hardness of the composites was found to improve from 66.67-75.0 HD with bamboo fibers. Results were then discussed for possible structural applications such as enhancing low-cost building blocks for rural communities in Ghana.

Keywords

compositefiberhardnessstress/strain relationshipthermal conductivity
Type
Articles
Information
MRS Advances , Volume 5 , Issue 25: African Materials Research Society 2019 , 2020 , pp. 1313 - 1321
Copyright
Copyright © Materials Research Society 2020

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