Concentration, propagation and dilution of toxic gases in underground excavations under different ventilation modes - Men éndez J, Merlé N, Fernández-Oro JM, Galdo M, de Prado L, Loredo J, Bernardo-Sánchez A.

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 safe working environment, the c...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news