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Research on new ventilation technology for long tunnel construction based on air curtain dust suppression and dust diffusion law
Abstract Ventilation during the construction of long tunnels represents a core factor impacting the safety of tunnel engineering projects. Taking Yuanbao Tunnel as the case study, this paper proposed a novel ventilation approach utilizing air curtain machines. By establishing a theoretical model of the barrier efficiency of air curtain machines installed on both sides of the tunnel, the optimal jet parameter (c) of the air curtain machine was determined.
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