Table 10 The field test results of peak particle velocity under CO2 blasting.

From: Numerical simulation of topographic propagation law of vibration wave in liquid carbon dioxide phase transition fracturing blasting

Sequence no.

Basting center distance (m)

Horizontal radial direction PPV(cm/s)

Vertical direction PPV(cm/s)

1

4

9.67

7.93

2

6

8.05

5.88

3

7

6.58

5.11

4

10

5.22

4.28

5

14

4.05

3.62

6

17

3.66

3.22

7

20

3.15

2.98

8

23

2.86

2.83

9

32

2.58

2.37

10

40

1.58

2.15