Multiobjective Optimization Model for Profile Design of Hump Distributing Zone

Table 3

Friction retarder technical parameters.

Type	T·JK2	T·JK2-A(50)	T·JK	T·JK3-A(50)
Braking action time
Braking(s)	0.6	0.6	0.6~1.0	0.8
Full braking(s)			1.4
Release action time
Release(s)	0.5	0.4	0.8~1.23	0.4
Full release(s)	0.9	0.6	1.94	0.8