Table 2: Parameters of the emergency station under different passage spacing.

Passage spacing (m) Length of the emergency station (m) Number of the cross-passage Effective width of the cross-passage (m) Effective width of the evacuation platform (m)
50 500 11 3 2.5
60 480 9 3 2.5
70 490 8 3 2.5
80 480 7 3 2.5