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

Table 13

Impact coefficient formulas of different bridge forms and bumping heights.

Simply supported bridge form	Bumping height; (cm)	Impact coefficient formula	Application scope (Hz)	Correlation coefficient; (R^2)
Hollow-slab	5	1+u=-0.616+3.235	5 ≤ f ≤ 11	0.9681
	10	1+u=-0.894+4.313		0.9721
	15	1+u=-1.224+5.497		0.9122
T-beam	5	1+u=-0.657+3.379	5 ≤ f ≤ 16	0.9661
	10	1+=-0.748+4.092		0.9362
	15	1+u=-0.616+3.235		0.9681