Table 5 Flac3D Vibration Velocity Monitoring Results.

From: Study on rock fragmentation and vibration response characteristics in hard rock formations using high-pressure gas expansion method

Num of fracturing hole

S1

S2

S3

PPV/cm·s−1

Inaccuracies

PPV/cm·s−1

Inaccuracies

PPV/cm·s−1

Inaccuracies

2

1.367

0.14%

0.347

21.78%

0.150

61.24%

4

1.820

0.51%

0.409

19.70%

0.176

45.14%