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Potentials of Momordica angustisepala fiber in enhancing strengths of normal portland cement concrete

Ede, A. N. and Olofinnade, O. M. and Ugwu, E. I. and Salau, A. O. (2018) Potentials of Momordica angustisepala fiber in enhancing strengths of normal portland cement concrete. Cogent Engineering.

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Presence of cracks in concrete affect the integrity. It reduces the life expectancy of concrete structures and is often responsible for collapse of structures, especially in the developing nations. At the root of these cracks is the very low tensile strength of concrete. Various techniques have been suggested for the enhancing the tensile strength, among which is the use of discontinuous micro fibers of various nature. This research investigated the use of Momordica angustisepala (Ma) fiber to enhance concrete strength. Concrete containing coconut fiber was adopted as a control. Slump test, air entrainment test, compression test and split tensile test were carried out on specimens. Results of the research indicate that an optimum Momordica angustisepala fiber contents of 0.25 and 0.5% enhanced respectively the compressive strength by 4.37% and the tensile strength by 10%. The results clearly show that this renewable material has the potential to enhance the compressive and tensile strengths of concrete.

Item Type: Article
Uncontrolled Keywords: Momordica angustisepala fiber; natural fiber; concrete; compressive strength; tensile strength; building collapse; sustainability
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Divisions: Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment
Depositing User: Dr Oluwarotimi Michael Olofinnade
Date Deposited: 12 Mar 2018 10:29
Last Modified: 11 Apr 2019 09:51

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