Research Article

Calculation and Improvement of Complex Mechanical Properties of the Mega Arch Dam under Multiple Loads Based on Finite Element Methods

Table 1

Natural vibration frequencies of arch dam under empty-reservoir and full-reservoir conditions.

Number of modal orderNatural vibration frequency at empty-reservoirstate (Hz)Natural vibration frequency at full-reservoirstate (Hz)

13.35412.4486
24.06122.8589
34.90013.5555
47.17245.4080
58.32175.9904
68.45716.7308
78.94596.9262