Research on Subgrade Differential Settlement Control Standard and Treatment Technology Based on Driving Comfort

Table 7

Maximum vertical acceleration of the human body when the settlement zone length is 10 m.

Differential settlement (cm)	Maximum vertical acceleration of the human body (m/s^2)
	120 km/h	100 km/h	80 km/h	60 km/h	40 km/h
1	0.6	0.4	0.2	0.1	0.1
2	1.1	0.8	0.6	0.4	0.2
5	3.2	2.7	2.3	1.9	1.6
8	6.1	5.3	4.7	4.2	3.7