| 摘要 |
The invention relates to a tunnel which comprises at least one tunnel tube (1) comprising a plurality of curtains (8) which consist of vertical lamellae (9) and which can be closed in a transversal manner in relation to the tunnel tube (1). The aim of the invention is to provide advantageous flow conditions inside the tunnel tube (1) in the event of a fire. According to the invention, the curtains (8) are combined into at least one group of curtains (7) which comprises several curtains (8) and which forms a flow brake, said curtains are arranged at a distance (a) from each other which is essentially, exclusively a counter flow influence. |
