Exploring the Feasibility of Ventilation without Shafts for an Ultralong Subsea Tunnel in the Bohai Strait Channel

<div>Development of the design concentration values in PIARC. (a) Development of the dust and smoke design values. (b) Development of CO design values.</div>

Advances in Civil Engineering

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Figure 4

Figure 4: Exploring the Feasibility of Ventilation without Shafts for an Ultralong Subsea Tunnel in the Bohai Strait Channel 