Residential building and occupant vulnerability to pyroclastic density currents in explosive eruptions
2007
A major hazard during the eruption of explo- sive volcanoes is the formation of pyroclastic density cur- rents (PDCs). Casualties and physical building damage from PDCs are caused by the temperature, pressure, and parti- cle load of the flow. This paper examines the vulnerability of buildings and occupants to the forces imposed by PDCs along with associated infiltration of PDC particle and gas mixtures into an intact building. New studies are presented of building and occupant vulnerability with respect to tem- perature, pressure, and ash concentration. Initial mitigation recommendations are provided. 1 Impacts of pyroclastic density currents on buildings
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