Modelling Predicting the Effect of Palm Bunch Fibres on the Strength Properties of Concrete
Modelling Predicting the Effect of Palm Bunch Fibres on the Strength Properties of Concrete
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Date
2016
Authors
Yalley, Paa Kofi Peter
Osei, Poku M.
Zievie, P.
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Publisher
Fourth International Conference on Sustainable Construction Materials and Technologies
Abstract
This research describes experimental studies on the use of palm bunch fibre as enhancement of concrete.
The addition of palm bunch-fibres significantly improved many of the engineering properties of the
concrete, notably toughness and tensile strength. The ability to resist cracking and spalling were also
enhanced. However, the addition of fibres adversely affected the compressive strength. An increase in
fibre weight fraction provided a consistent increase in ductility up to the optimum content (0.5%) with
corresponding fibre aspect ratio of 125. The increase in toughness, could be attributed to the fact that,
the fibre presence in the concrete contributed greatly in offering restrain to early twist in the concrete
hence, much energy was needed to debond and stretch the fibres. Palm bunch fibres have been used to
enhance concrete, and have proven to improve the toughness and the tensile stress of the concrete of
which concrete with fibres as enhancement seems to address. However, the problem of long term
durability has not yet been solved in this study.
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Yalley, P. P., Osei Poku, M., & Zievie, P. (2016). Modelling Predicting the Effect of Palm Bunch Fibres on the Strength Properties of Concrete. In Fourth International Conference on Sustainable Construction Materials and Technologies. Las Vegas, USA.