Concentration, Propagation and Dilution of Toxic Gases in Underground Excavations under Different Ventilation Modes
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DOI: 10.3390/ijerph19127092
Abstract: The drill-and-blast method is widely used for the excavation of hard rock tunnels. Toxic gases such as carbon monoxide and nitrogen oxides are released immediately after blasting by the detonation of explosives. To provide a… read more here.
Keywords: toxic gases; propagation dilution; ventilation modes; concentration ... See more keywords