Iterative Method for Predicting Uneven Bridge Approach Settlement (BAS) Caused by Vehicle Loads

Table 3

The fitting of the amplification factors.

Amplification factors	Value of parameters (a, b, m, S)	(cm)	(cm)
A	0.9	7.308	3.669	0.798
	1.2	12.212	4.892	1
	1.5	18.946	6.115	1.241
	A = 0.73a + 0.13, R^2 = 0.9974
B	0.06	0.933	0.848	0.441
	0.18	12.212	4.892	1
	0.25	123.240	13.598	3.631
	B = 882.88b^3 − 259.32b^2 + 25.58b − 0.35, R^2 = 1
M	1.0	47.710	22.545	0.848
	2.0	12.212	4.892	1
	3.0	2.925	1.586	0.739
	M = −0.21m^2 + 0.77m + 0.28, R^2 = 1
Qf	0.25	68.524	10.429	2.632
	0.3	22.532	6.639	1.360
	0.34	12.212	4.892	1
	Qf = 0.03S^−3.18, R^2 = 0.9899