| 摘要 |
<p>The present invention relates to a protection system for an immersed tunnel improving safety from an external force and including an immersed tunnel unit, a tunnel fixating unit, a tunnel support unit, and a protection unit. The immersed tunnel unit has a tunnel inside for accommodating trains or vehicles. The tunnel fixating unit is connected to the immersed tunnel unit and fixates the immersed tunnel unit on the seafloor. The tunnel support unit is separated at predetermined intervals and is extended from the seafloor to the outside of the sea surface for supporting the immersed tunnel unit. The protection unit is connected between the adjacent tunnel supporting units for covering the upper and lateral sides of the immersed tunnel unit.</p> |
