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Abstract
An experimental investigation was carried out on normal strength concrete flat slab to study punching strength under the effect of elevated temperature. The experimental investigation conducted on 10 slab-column connection specimens with 8 specimens have been exposed to high temperature for different durations with different concrete covers and different cooling types are represented in the present investigation. The slabs were subjected to elevated temperature 600{u00BA} c from the electrical furnace, these durations are 2.0 and 3.0 hours