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http://dx.doi.org/10.12989/sem.2019.71.5.515

FE modelling of low velocity impact on RC and prestressed RC slabs  

Ganesan, Partheepan (Department of Civil Engineering, MVGR College of Engineering)
Kumar, S. Venkata Sai (Department of Civil Engineering, Baba Institute of Technology and Sciences)
Publication Information
Structural Engineering and Mechanics / v.71, no.5, 2019 , pp. 515-524 More about this Journal
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 $500{\times}600{\times}60mm$, $500{\times}600{\times}80mm$ and $500{\times}600{\times}120mm$ 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 $500{\times}500{\times}50mm$ 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.
Keywords
finite element; prestressing; low velocity impact; concrete; support conditions; floor slab;
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Times Cited By KSCI : 4  (Citation Analysis)
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