Modelling and Analysis on Emergency Evacuation from Metro Stations

Table 1

Statistical relationship between upstairs moving speed and density from field data.

Different widths (meter)	Type of relationship	Staircases		Corridors
		Fitting function		Fitting function
<2.0	Linear		0.844	—	—
	Exponential		0.926	—	—
2.0–3.0	Linear		0.750		0.794
	Exponential		0.820		0.866
3.0–4.0	Linear		0.864		0.870
	Exponential		0.905		0.891
4.0–5.0	Linear		0.570		0.492
	Exponential		0.590		0.504
>5.0	Linear		0.570	—	—
	Exponential		0.762	—	—