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Composite Behavioural Study on GI Wire Mesh and PVA Fibre Reinforced Concrete Slabs
Introducing fibre reinforcement in cement concrete structural elements is an effective way of improving their toughness, ductility and flexural strength. So, this investigation was carried out on casting square and circular slabs with Galvanized Iron (GI) wire mesh and polyvinyl alcohol (PVA) fibre to know the feasibility of using these materials instead of steel reinforcement. The specimen slabs of M30 concrete were casted with two layers (2L) of mesh and 0.5% PVA fibre, 2L-PVA 1.0%, 2L-PVA 1.5% and 2L-PVA 2.0% in terms of volume fraction. To compare and justify the results, conventional square and circular slabs were also casted without mesh and PVA. The casted specimen slabs were subjected to impact, compressive, split and flexural strength. On increasing the fibre percentage from 0.5 to 2.0%, the crack width of slab is decreased substantially on subjecting the slabs to impact loading. It was observed from the impact test that there is a 55.25% increase of energy absorption capacity by square slab and 46.15% increase of energy absorption capacity by circular slab as that of conventional concrete. It is concluded that the square slab with two layers of meshes and with PVA fibre is good in ductile where fibre act as a crack arrestor which delays the failure of specimens.
Composite Behavioural Study on GI Wire Mesh and PVA Fibre Reinforced Concrete Slabs
Introducing fibre reinforcement in cement concrete structural elements is an effective way of improving their toughness, ductility and flexural strength. So, this investigation was carried out on casting square and circular slabs with Galvanized Iron (GI) wire mesh and polyvinyl alcohol (PVA) fibre to know the feasibility of using these materials instead of steel reinforcement. The specimen slabs of M30 concrete were casted with two layers (2L) of mesh and 0.5% PVA fibre, 2L-PVA 1.0%, 2L-PVA 1.5% and 2L-PVA 2.0% in terms of volume fraction. To compare and justify the results, conventional square and circular slabs were also casted without mesh and PVA. The casted specimen slabs were subjected to impact, compressive, split and flexural strength. On increasing the fibre percentage from 0.5 to 2.0%, the crack width of slab is decreased substantially on subjecting the slabs to impact loading. It was observed from the impact test that there is a 55.25% increase of energy absorption capacity by square slab and 46.15% increase of energy absorption capacity by circular slab as that of conventional concrete. It is concluded that the square slab with two layers of meshes and with PVA fibre is good in ductile where fibre act as a crack arrestor which delays the failure of specimens.
Composite Behavioural Study on GI Wire Mesh and PVA Fibre Reinforced Concrete Slabs
Lecture Notes in Civil Engineering
Gencel, Osman (editor) / Balasubramanian, M. (editor) / Palanisamy, T. (editor) / Govindasami, S. (author) / Inthumathi, S. (author)
International Conference on Civil Engineering Innovative Development in Engineering Advances ; 2023 ; Kattankulathur, India
2023-11-21
6 pages
Article/Chapter (Book)
Electronic Resource
English
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