Referans Bilgileri

The Viareggio LPG railway accident: Event reconstruction and modeling

Sara Brambilla, Davide Manca

Journal of Hazardous Materials

Cilt: 182, Sayı: 1-3, 346-357, 2010/11/15

This manuscript describes in detail the LPG accident occurred in Viareggio on June 2009 and its modeling. The accident investigation highlighted the uncertainty and complexity of assessing and modeling what happened in the congested environment close to the Viareggio railway station. Nonetheless, the analysis allowed comprehending the sequence of events, the way they influenced each other, and the different possible paths/evolutions. The paper describes suitable models for the quantitative assessment of the consequences of the most probable accidental dynamics and its outcomes. The main finding is that after about 80 s from the beginning of the release the dense-gas cloud reached the surrounding houses that were destroyed successively by internal explosions. This fact has two main implications. First, it shows that the adopted modeling framework can give a correct picture of what happened in Viareggio. Second, it confirms the need to develop effective mitigation measures because, in case of this kind of accidents, there is no time to apply any protective emergency plans/actions.

Anahtar Kelimeler: LPG release; Accident modeling; Accident investigation; Pool-fire; Dense-gas dispersion

Elsevier B. V.

DOI: 10.1016/j.jhazmat.2010.06.039

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