Research Article

Stress Response and Damage Characteristics of Local Members of a Structure due to Tunnel Blasting Vibrations Based on the High-Order Local Modal Analysis

Table 1

Vibration characteristics of the blasting.

Blasting numberDetonator typeTunnel depth (m)Distance away from blasting center (m)Z direction peak particular velocity (cm/s)Z direction dominant frequency (Hz)X direction peak particular velocity (cm/s)X direction dominant frequency (Hz)

1Nonelectric17.930.72.97470.800.76120.75
2Nonelectric18.232.62.22776.900.80721.97
3Electronic17.529.21.94046.990.65111.60
4Electronic37.643.11.39592.770.97564.70
5Electronic35.641.81.00377.520.26962.26
6Electronic22.931.11.307141.600.85862.86
7Electronic18.630.51.376137.940.67687.89
8Electronic17.929.21.02378.740.62262.87
9Electronic16.928.00.90276.900.59022.50