Performance evaluation of fire resistant characteristics in polypropylene fiber concrete

Abstract The present study is focused on the thermal resisting characteristics of concrete. To impart the thermal resistivity, a fiber of Polypropylene (PP) has been added in to the desired concrete mix. The selected grade for the experimental study is M25 and M30. The test on compressive strength, thermal conductivity and thermal diffusivity were made for M25 and M30 concrete with and without inducing temperature. From the results, it is inferred that gain in temperature strength for PP fibre concrete is estimated as 6.3% and 3.1% for 7 days and 5.3% and 2.7% for 28 days against the conventional concrete for M25 and M30 respectively. By observing the thermal conductivity values, both M25 and M30 PP concrete performed well. But for thermal diffusivity values, M30 PP concrete is performed higher than M25 PP concrete.