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Advances in Concrete Construction Volume 5, Number 2, April 2017 , pages 173-182 DOI: https://doi.org/10.12989/acc.2017.5.2.173 |
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Shear and impact strength of waste plastic fibre reinforced concrete |
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Savithri S Karanth, Vaishali G Ghorpade and H Sudarsana Rao
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| Abstract | ||
| This paper is aimed at determining the shear and impact strength of waste plastic fibre reinforced concrete. M30 grade of concrete is prepared with waste plastic door fibres cut into 5 mm width and aspect ratios of 30, 50, 70, 90 and 110. Fibres are used in a volume fraction of 0 to 1.5% with an increment of 0.25%. L shaped specimens are cast for shear strength tests and flat plates of size 250x250x30 mm are used for impact tests. \"Drop ball method\" is used for checking the impact strength. Shear strength is checked with L shaped specimens under UTM with a special attachment. It was found that up to 1.25% of waste plastic fibres can be effectively used for better strength of concrete both in shear and impact. Shear and impact strength were found to be increasing up to a volume fraction of fibres of 1.25%. | ||
| Key Words | ||
| concrete; waste plastic fibres; aspect ratio; volume fraction; plates; L shaped specimens; shear strength; impact strength; drop ball method | ||
| Address | ||
| Savithri S Karanth: Department of Civil Engineering, Global Academy of Technology, Bangalore, India Vaishali G Ghorpade: Department of Civil Engineering, JNTU College of Engineering Anantapuram, Andhra Pradesh, India H Sudarsana Rao: JNTUA, Anantapuram, Andhra Pradesh, India | ||
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