Physical, mechanical, and microstructural changes in concretes subjected to slow and fast cooling in a fire situation simulation
Eduardo Pereira,
Eveline Manosso Janik Brik,
Elias Pereira
et al.
Abstract:Concrete, when exposed to high temperatures, has its properties changed, and the recovery processes depend on the intensity of these changes. This paper aimed to evaluate the influence of high temperatures on concrete properties and verify the effects generated in the material when submitted to natural and fast cooling. Three different concrete mixes were exposed to temperatures of 100 °C, 300 ºC, 450 ºC, and 600 ºC, subdivided into slow and fast cooling groups. With the increase in temperature, cracking proce… Show more
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