Influence of high humidity and salt-rich spray environment on ventilation effect in urban undersea road tunnel

• Published in: Tunnelling and underground space technology Vol. 94; p. 103109
• Main Authors: Wang, Xu, Wang, Mingnian, Yu, Li, Tian, Yuan, Yan, Guanfeng
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.12.2019; Elsevier BV
• Subjects: Attenuation; Computer simulation; Corrosion; Corrosion effects; Corrosion environments; Corrosion mechanisms; Corrosion resistance; Environmental control; Environmental degradation; Fan blades; Humidity; Jet fan corrosion; Lift; Lift reduction; Numerical models; Pressure drop; Safety factors; Sedimentation; Service life; Surface roughness; Traffic congestion; Tunnels; Underground construction; Undersea; Undersea road tunnel; Ventilation; Ventilation design; Jet fan corrosion; Lift reduction; Surface roughness; Undersea road tunnel; Ventilation design; Environmental degradation

[Display omitted] •A field measurement of jet fan lift in a urban undersea road tunnel was conducted.•The jet fans average lift were attenuated by 12.4% in a corrosive environment.•The ventilation environment in- tunnel will deteriorate with the corrosion of jet fan.•Corrosion reduce jet fan lift by...