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Domino effect in chemical accidents: main features and accident sequences
Casal Fàbrega, Joaquim; Darbra Roman, Rosa Maria
Universitat Politècnica de Catalunya. Departament d'Enginyeria Química; Universitat Politècnica de Catalunya. CERTEC - Centre d´Estudis del Risc Tecnològic
The main features of domino accidents in process/storage plants and in the transportation of hazardous materials were studied through an analysis of 225 accidents involving this effect. Data on these accidents, which occurred after 1961, were taken from several sources. Aspects analyzed included the accident scenario, the type of accident, the materials involved, the causes and consequences and the most common accident sequences. The analysis showed that the most frequent causes are external events (31%) and mechanical failure (29%). Storage areas (35%) and process plants (28%) are by far the most common settings for domino accidents. Eighty-nine per cent of the accidents involved flammable materials, the most frequent of which was LPG. The domino effect sequences were analyzed using relative probability event trees. The most frequent sequences were explosion→fire (27.6%), fire→explosion (27.5%) and fire→fire (17.8%).
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria química::Química del medi ambient
Risk assessment.
Hazardous materials transportation
Substàncies perilloses -- Transport
Productes químics -- Accidents
Seguretat en el treball
Attribution-NonCommercial-NoDerivs 3.0 Spain

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