Predicting the behavior of steel fier doors subjected to fire endurance test

Mahmood Tabador, Sanjay Jadhav


The ability to predict the thermal and structural performances of steel fire doors subjected to fire tests described in safety standards via the finite element method is investigated. These doors must withstand high temperatures without deforming in a manner where gaps might appear allowing flames and smoke to pass through.  There are 2 key challenges for modelling: first, deciding how much complexity to include since the tests involve high temperatures and possibly times lasting hours, and second, obtaining the needed material properties over the temperature range seen during the tests.  In this investigation, we focus on, one aspect of complexity, the importance in capturing the thermal contact between steel parts within the fire door to improve the predictability of the finite element model.

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