A Rapid Detection Method for Bridges Based on Impact Coefficient of Standard Bumping

Table 2

Maximum dynamic displacement and impact coefficient of midspan without deck roughness level.

Vehicle speed (m/s)	Maximum dynamic displacement (mm)	Impact coefficient
2	1.45	1.01
4	1.46	1.02
6	1.47	1.03
8	1.49	1.04
10	1.50	1.05
20	1.55	1.08
30	1.66	1.16
40	1.69	1.18