Studying Bump at Bridge Approach of Short Subgrade with Oblique Prestressed Concrete Overlaying Asphalt Layer

Table 6

Control criteria for differential settlement of short subgrade at different speeds when 30 m L ≤ 55 m.

Speed (km/h)				Maximum settlement value (cm)
60	0.2	0.27	0.47	14.1∼25.8
80	0.2	0.25	0.45	13.5∼24.7
100	0.2	0.21	0.41	12.3∼22.5
120	0.2	0.17	0.37	11.1∼20.3