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Structural Engineering and Mechanics Volume 71, Number 5, September10 2019 , pages 515-524 DOI: https://doi.org/10.12989/sem.2019.71.5.515 |
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FE modelling of low velocity impact on RC and prestressed RC slabs |
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Partheepan Ganesan and S. Venkata Sai Kumar
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| Abstract | ||
| The present study deals with the simulation of low velocity impact on prestressed and reinforced concrete (RC) slabs supported with different end conditions. The prestress is pre-applied on the RC slab in an analytical approach for the prestressed slab. RC slabs with dimensions 500x600x60 mm, 500x600x80 mm and 500x600x120 mm were used by changing support condition in two different ways; (i) Opposite sides simply supported, (ii) Adjacent sides simply supported with opposite corner propped. Deflection response of these specimens were found for the impact due to three different velocities. The effect of grade of concrete on deflection due to the impact of these slabs were also studied. Deflection result of 500x500x50 mm slab was calculated numerically and compared the result with the available experimental result in literature. Finite element analyses were performed using commercially available ANSYS 16.2 software. The effectiveness of prestressing on impact resistant capacity of RC slabs are demonstrated by the way of comparing the deflection of RC slabs under similar impact loadings. | ||
| Key Words | ||
| finite element; prestressing; low velocity impact; concrete; support conditions; floor slab | ||
| Address | ||
| Partheepan Ganesan: Department of Civil Engineering, MVGR College of Engineering, Vizianagaram - 535 005 S. Venkata Sai Kumar: Department of Civil Engineering, Baba Institute of Technology and Sciences, Vizag - 530 041 Andhra Pradesh, India | ||