EFFECTS OF TEMPERATURE LEVELS AND CONCRETE COVER THICKNESS ON RESIDUAL STRENGTH CHARACTERISTICS OF FIRE EXPOSED REINFORCED CONCRETE BEAMS
DOI:
https://doi.org/10.4314/njt.343.958Keywords:
Post-fire, flexure, residual strength, concrete cover, tensile strength, iso834 fireAbstract
Reinforced concrete structures are often subjected to fire of various degrees. After fire if the structure does not collapse during the fire there is need for post-fire assessment of its structural integrity before the fate of the structure can be determined. With the knowledge of the temperature of the fire, thickness of concrete cover, residual strength of concrete and tensile strength of embedded reinforcement after fire exposure, we can predict the residual carrying capacity of the beams after fire. The experimental procedure involves some specimens of reinforcing steel bars (
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