436
Y. Kaibai et al.
Table 38.3
The situation of acoustic emission activity sources (V-05)
ID Pressure stage
Region No. Position A (dB) D (µs)
E (eu)
R (µs) Remarks Activity Strength Comprehensive evaluation
1
Pumping to 50,000 Pa IV
22/23/29 71.2
23,731.2 318E03
436.4
Medium Medium II
2
50,000–10,800 Pa
IV
17/23/30 83.6
42,560.0 529E04
190.4
×9
Super
High
IV
3
IV
21/22/26 93.8
80,640.0 718E05
236.6
×4
Medium Medium II
4
IV
18/21/24 82.9
29,491.2 181E04 1161.6
Medium High
III
5
IV
18/17/24 80.2
42,022.4 222E04
198.0
×2
Medium Medium II
6
III
15/18/21 90.8
42,073.6 168E05 1260.0
×3
Medium High
III
Y. Kaibai et al.
Table 38.3
The situation of acoustic emission activity sources (V-05)
ID Pressure stage
Region No. Position A (dB) D (µs)
E (eu)
R (µs) Remarks Activity Strength Comprehensive evaluation
1
Pumping to 50,000 Pa IV
22/23/29 71.2
23,731.2 318E03
436.4
Medium Medium II
2
50,000–10,800 Pa
IV
17/23/30 83.6
42,560.0 529E04
190.4
×9
Super
High
IV
3
IV
21/22/26 93.8
80,640.0 718E05
236.6
×4
Medium Medium II
4
IV
18/21/24 82.9
29,491.2 181E04 1161.6
Medium High
III
5
IV
18/17/24 80.2
42,022.4 222E04
198.0
×2
Medium Medium II
6
III
15/18/21 90.8
42,073.6 168E05 1260.0
×3
Medium High
III