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Bamboo fibers composite - a novel material for structural strengthening

Chin, Siew Choo and Doh, Shu Ing (2019) Bamboo fibers composite - a novel material for structural strengthening. In: The 9th International Conference on Key Engineering Materials (ICKEM 2019), 29 March-1 April 2019 , Oxford, United Kingdom. pp. 1-7.. (Unpublished)

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Fiber reinforced polymer (FRP) is widely used in the construction industry for structural strengthening due to their outstanding mechanical properties. However, the production of synthetic fibers such as FRP is detrimental to the environment. Alternatively, natural fibers composite may be used as external strengthening material. This paper presents the potential of bamboo fiber composite plate (BFCP) to strengthen the reinforced concrete (RC) beams in flexure. The bamboo of species Dendrocalamus asper was used to produce the fiber and fiber-to-volume ratio was set at 2:5. The composite plate and RC was bonded with epoxy using a hand-lay-up method. The flexural and tensile strength of the BFCP was measured and all the beams were tested to failure under four-point bending test. It was found that BFCP exhibited a higher flexural and tensile strength compared to pure epoxy samples. Meanwhile, the RC beams strengthened using BFCP exhibited an increment of 10-12% in beam structural capacity compared to the un-strengthened beams. Bonding of BFCP in the flexure zone was able to divert the vertical cracks into diagonal at the edge of the composite plate. Findings from this work may serve as a useful guide to strengthen RC beams using a BFCP.

Item Type: Conference or Workshop Item (Lecture)
Uncontrolled Keywords: Bamboo fiber composite; reinforced concrete beams; natural fibers; strengthening; structural; flexure
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division: Centre of Excellence: Centre of Excellence for Advanced Research in Fluid Flow
Faculty of Civil Engineering & Earth Resources
Depositing User: Pn. Hazlinda Abd Rahman
Date Deposited: 16 Oct 2019 07:01
Last Modified: 16 Oct 2019 07:01
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