EXPERIMENTAL STUDIES OF UNPROTECTED AND PROTECTED STEEL STRUCTURES UNDER FIRE

Véronique Saulnier, Sébastien Durif, Abdelhamid Bouchaïr, Philippe Audebert, Mohamed Lahmar

Abstract


Preliminary fire experimental tests have been carried out on steel plates protected with intumescent coating.

The tests evaluated and measured the heating of steel plates with various geometrical configurations: shape, size. A first test on an equal leg angle section showed interesting results with different coating expansion on the faces of the section.

The second test campaign is done with different protections to compare behaviors of four steel plates. The first objective is to set up an experimental protocol for future tests. Those results are used to evaluate analytical prevision of steel plate temperature with and without fire protection.

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