International Journal of Advanced Innovative Technology in Engineering (IJAITE)

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A Study of Flat Slabs Using Different Shear Reinforcement Parameters

A. V. Kohad, R. D. Ghasad, R. R. Thakare, Prof. V. B. Shrirame

Abstract :

Flat-Slab building is very popular from the aesthetic and architectural point of view. From a functional aspect, a flat-slab building is more efficient than an R.C. frame building. So, the construction of Flat-Slab buildings is increasing also in a high seismic zone. Sometimes international building codes remain silent about the seismic response of flat slab buildings. In this paper, the response of a Flat-Slab building and a normal symmetric R.C. frame building of the same dimension have been studied for varying seismic intensities. Static, Response Spectrum, Pushover, and Time history analysis have been performed to assess the performance of the two buildings. The costs of construction for these two buildings have also been compared. An extensive study on lumped plasticity model as per FEMA 356 with the varying position of the plastic hinge and its effect on the pushover curve has also been discussed in the paper. The paper also comments on the plastic hinge pattern.

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