Dynamic Behavior of Tied-Arch Bridges under the Action of Moving Loads

Table 2

Percentage errors of midspan vertical displacement dynamic amplification factors () between the Moving Force Model (MFM), Standard Analysis (SA), and Nonstandard Analysis (NSA) for different normalized speed parameters ().

Error (%)		Error (%)		Error (%)		Error (%)
MFM	SA	MFM	SA	MFM	SA	MFM	SA
0.38	0.68	0.67	1.21	1.44	0.78	0.56	0.48	0.91
0.57	2.03	1.18	1.84	3.23	1.36	1.78	2.14	3.53
0.76	10.36	8.30	4.29	6.50	3.88	5.26	2.43	3.67
0.95	1.30	5.13	19.84	22.04	7.86	7.60	7.72	4.26
1.14	15.25	6.28	26.24	26.53	3.86	3.17	17.53	13.46
1.33	15.73	7.83	1.42	6.07	20.39	11.83	11.58	10.32
1.52	17.80	10.57	18.19	7.63	24.23	15.31	29.17	20.05
1.71	17.15	12.97	23.97	14.07	31.85	23.08	29.81	20.82
1.9	20.23	17.80	25.81	17.50	32.42	25.55	31.33	18.16
2.09	17.00	15.54	28.41	21.31	34.48	27.89	29.80	23.10
2.28	17.36	16.20	28.77	23.69	34.49	28.48	30.05	28.94
2.47	17.93	15.84	30.46	25.10	35.55	29.95	34.13	31.09
2.66	16.74	16.71	30.15	26.43	35.56	30.45	36.63	33.16