Fire Protection of Steel with Thermal Insulation Granular Plate Material on Geocement-Based

Abstract:

This article presents the results of determining the fire-retardant efficiency of heat-insulating granular plate based on geocement to protect metal structures from fire. According to the results of fire tests, it they found that with a plate thickness of 40 mm, the metal surface of an I-beam they heated to a critical temperature of 500 °C after 100 minutes of fire tests. This indicator provides the fire resistance class of metal structures P90 and the III group of fire retardant efficiency of metal structures. Based on the calculated data according to Eurocode 3, it they found that the critical heating temperature of an I-beam up to 538 °C with a plate thickness of 40 mm they achieved after 105 minutes of fire tests. This provides the fire resistance class of the steel column P90 and the III group of fire retardant efficiency. In order to ensure the fire resistance class P120, in the future, it is necessary to increase the thickness of the heat-insulating granular plate to 50 mm, which will allow transferring metal structures to the II group of fire retardant efficiency.

• Periodical: Materials Science Forum (Volume 1066)
• Pages: 199-205
• DOI: https://doi.org/10.4028/p-a1ae7r
• Online since: July 2022
• Authors: Tetiana Kurska, Oleksiy Khodakovskyy, Artem Kovalchuk, Sergii G. Guzii*
• Keywords: Fire Retardant Efficiency, Fire Test, Geocement, I-Beam, Metal Surfaces, Temperature, Thermal Granular Plate

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