Table 3: Monitoring Results of Blasting Demolition.
Monitoring Points |
Distance to Workshop(m) |
Peak Vibration Velocity (cm/s) |
Vibration Main Frequency (Hz) |
Distance to Chimney Touchdown (m) |
Peak Vibration Velocity (cm/s) |
Vibration Main Frequency (Hz) |
1 |
21 |
R |
1.435 |
10.33 |
92.8 |
R |
0.927 |
11.08 |
T |
0.927 |
16.92 |
T |
0.597 |
12.08 |
V |
1.118 |
14.42 |
V |
0.991 |
5.916 |
2 |
21 |
R |
1.35 |
10.83 |
72 |
R |
0.597 |
12 |
T |
2.27 |
23.25 |
T |
0.698 |
9.499 |
V |
1.97 |
19.92 |
V |
0.838 |
6.166 |
3 |
21 |
R |
0.8 |
8.583 |
58.4 |
R |
0.978 |
10.5 |
T |
1.46 |
20.33 |
T |
0.737 |
9.999 |
V |
1.03 |
18.17 |
V |
0.711 |
6.499 |
4 |
40 |
R |
0.305 |
10.83 |
57.3 |
R |
0.648 |
8.249 |
T |
0.216 |
10.83 |
T |
0.343 |
6.749 |
V |
0.203 |
12.42 |
V |
0.546 |
5.25 |
5 |
40 |
R |
0.876 |
7.499 |
50 |
R |
2.146 |
18.5 |
T |
0.292 |
10.25 |
T |
0.546 |
11.42 |
V |
0.216 |
12.25 |
V |
0.927 |
11.58 |
6 |
40 |
R |
0.572 |
8.416 |
57.3 |
R |
0.889 |
8.166 |
T |
0.445 |
11 |
T |
0.406 |
10.75 |
V |
0.343 |
9.916 |
V |
0.419 |
6.499 |