Thermal effect of a localized fire in the steel structure of an open car park
Conference Paper
Overview
Research
Additional Document Info
View All
Overview
abstract
Due to the recent fire events in open car parks and in order to increase the fire safety in this type of the building structures, simple calculation methods should be developed to estimate the thermal effects of a localized fire. This investigation deals with a parametric analysis, using different fire events (different vehicle classes), fire scenarios (relative position of the car with respect to the main element of the structure and dimensions of the compartment) and section factor of the main supporting element of the structure (dimensions of the beam cross section). The temperature was calculated for each fire scenario, around the beam (gas temperature) and also in the steel beam. The thermal effect on part of the structure was calculated by a mixed formulation, taking into consideration the Hasemi and Heskestad methods to evaluate the temperature of the gas and also the lumped thermal model for the calculation of the steel temperature. These results will be compared with the results obtained using the software Elefir-EN and CFD simulation by Ansys FLUENT.
Due to the recent fíre events in open car parks and m order to increase the fire safety in this type of the building stmctures, simple calculation methods should be developed to estimate the thermal effects of a localized fire. This investigation deals with a parametric analysis, using different fire events (different car class), fíre scenarios (relative position ofthe car with respect to the main element of the stmcture and dimensions of the compartment) and section factor ofthe main supporting element ofthe structure (dimensions ofthe beam cross section). The temperature was calculated for each fíre scenario, around the beam (gás temperature) and also in the steel beam. The thermal effect on part of the stmcture was calculated by a mixed fonnulation, taking into consideration the Hasemi and Heskestad methods to evaluate the temperature of the gás and also the lumped thermal model for the calculation of the steel temperature.
