JPH0330462Y2 - - Google Patents
Info
- Publication number
- JPH0330462Y2 JPH0330462Y2 JP5550785U JP5550785U JPH0330462Y2 JP H0330462 Y2 JPH0330462 Y2 JP H0330462Y2 JP 5550785 U JP5550785 U JP 5550785U JP 5550785 U JP5550785 U JP 5550785U JP H0330462 Y2 JPH0330462 Y2 JP H0330462Y2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- probe
- ground
- water
- rock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000523 sample Substances 0.000 claims description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- 238000007689 inspection Methods 0.000 claims description 34
- 239000011435 rock Substances 0.000 claims description 25
- 239000004576 sand Substances 0.000 description 8
- 230000005641 tunneling Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000002592 echocardiography Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5550785U JPH0330462Y2 (es) | 1985-04-16 | 1985-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5550785U JPH0330462Y2 (es) | 1985-04-16 | 1985-04-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61173594U JPS61173594U (es) | 1986-10-28 |
| JPH0330462Y2 true JPH0330462Y2 (es) | 1991-06-27 |
Family
ID=30578247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5550785U Expired JPH0330462Y2 (es) | 1985-04-16 | 1985-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330462Y2 (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6475949A (en) * | 1987-09-17 | 1989-03-22 | Nichizo Tec Kk | Face breaking detector of shield excavator |
| JP2020134455A (ja) * | 2019-02-25 | 2020-08-31 | パナソニックＩｐマネジメント株式会社 | 超音波センサ及び界面検出方法 |
-
1985
- 1985-04-16 JP JP5550785U patent/JPH0330462Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61173594U (es) | 1986-10-28 |
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