Study on Modal Dynamic Response and Hydrodynamic Added Mass of Water-Surrounded Hollow Bridge Pier with Pile Foundation

Table 5

HAM along the x-axis and y-axis for the four tip masses in case III.

Water level (cm)	(kg)				(kg)
	Without tip mass	11.4 kg tip mass	23.4 kg tip mass	31.7 kg tip mass	Without tip mass	11.4 kg tip mass	23.4 kg tip mass	31.7 kg tip mass
40	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
55	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
65	5.20	5.19	5.20	5.20	3.30	3.30	3.30	3.30
75	17.62	17.60	17.62	17.62	10.97	10.97	10.97	10.97
80	22.84	22.83	22.84	22.85	14.05	14.05	14.05	14.05
90	35.91	35.90	35.90	35.92	21.85	21.85	21.85	21.85
100	50.88	50.85	50.86	50.86	31.31	31.31	31.31	31.31
110	65.74	65.74	65.70	65.71	40.82	40.82	40.82	40.82
120	80.40	80.40	80.35	80.35	50.22	50.22	50.22	50.22
130	92.63	92.63	92.56	92.55	58.05	58.05	58.04	58.04
140	107.07	107.05	106.96	106.95	67.28	67.28	67.25	67.25
150	121.45	121.44	121.37	121.37	76.46	76.46	76.44	76.44
160	135.81	135.79	135.74	135.75	85.59	85.59	85.59	85.59
170	150.15	150.08	150.08	150.09	94.69	94.69	94.69	94.69
180	161.63	161.56	161.56	161.56	101.95	101.95	101.95	101.95