Evacuation Experiment Study in Up and Down Escape Staircase of Underground Road

Table 5

Project cases of up and down escape staircase [18, 19].

Name of the tunnel	Diameter of the tunnel (m)	Number of lanes	Structure of escape stairs
Nanjing Weisan road tunnel	14.5	Double pipes, double layer eight traffic lanes	Set a group of escape stairs every 64 m, the width of the step of the stair is 0.8 m
Anghai Jungong road tunnel	14.5	Double pipes, double layer eight traffic lanes	Set a group of escape stairs every 80 m, the width of the step of the stair is 0.8 m
Hanghai Shangzhong road tunnel	14.5	Double pipes, double layer eight traffic lanes	Set a group of escape stairs every 100 m, the width of the step of the stair is 0.8 m
Yangzhou slender west lake tunnel	14.5	Single pipe, double layer eight traffic lanes	Set a group of escape stairs every 100 m
Shanghai bund tunnel	13.9	Single pipe, double layer six traffic lanes	Set a group of escape stairs every 100 m