Robustness of the Vesuvian roofs under the combined overload and high temperatures due to air falls

Beatrice Faggiano, Antonio Formisano, Federico M. Mazzolani

Abstract


During an explosive eruption, a construction is hit by several actions, always associated to elevated temperatures, causing fires, possible explosions and reduction of the mechanical properties of the structural materials. In this paper, the attention is focused on the analysis of a specific volcanic event, the so-called air fall deposits, generally falling from the eruptive column due to gravity. In particular the robustness against the air fall deposit of the most common roofing structures, typically made of timber, steel and reinforced concrete, in the Vesuvian areais evaluated. Consequently, some protection systems for mitigating the effects of the combination of overloading and high temperaturesare identified.

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