JPS61173594U - - Google Patents
Info
- Publication number
- JPS61173594U JPS61173594U JP5550785U JP5550785U JPS61173594U JP S61173594 U JPS61173594 U JP S61173594U JP 5550785 U JP5550785 U JP 5550785U JP 5550785 U JP5550785 U JP 5550785U JP S61173594 U JPS61173594 U JP S61173594U
- Authority
- JP
- Japan
- Prior art keywords
- rock
- ultrasonic
- probe
- collapse
- ground
- 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.)
- Granted
Links
- 239000011435 rock Substances 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 5
- 230000005641 tunneling Effects 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 true JPS61173594U (es) | 1986-10-28 |
| JPH0330462Y2 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) |
Cited By (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
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0330462Y2 (es) | 1991-06-27 |