Tunnel ventilation system for pressure relief of underground overpass station of rail transit
A technology for rail transit and tunnel ventilation, applied in mine/tunnel ventilation, sustainable transportation, climate sustainability, etc., can solve problems such as increased civil construction costs, waste of resources, inability to achieve high-standard space-time goals, and save civil construction. The effect of space, reducing civil construction investment, and meeting the needs of diversified and differentiated services
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[0022] This embodiment provides a tunnel ventilation system for pressure relief at an underground overpass station of rail transit. The applied underground overpass station can adopt the following settings: the upper and lower tunnels of the underground overpass station are respectively provided with overpass lines 4 and stop line 5; cross line 4 is the line where the train crosses the station at high speed, and is located on the side away from the station platform; stop line 5 is the train arrival stop line 5, which is located on the side of the station platform; dividing wall 3 is set on the cross line 4 and stop line 5; such as figure 1 and figure 2 As shown in the figure, the tunnel ventilation system of this embodiment is arranged at both ends of the station, which includes: a pressure relief hole 1, a piston air hole 1, a pressure relief well 2 and a piston air well 2; the pressure relief hole 1 is combined with the piston air hole 1 It is set above the stop line 5 and...
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