JPH02135891U - - Google Patents
Info
- Publication number
- JPH02135891U JPH02135891U JP4451989U JP4451989U JPH02135891U JP H02135891 U JPH02135891 U JP H02135891U JP 4451989 U JP4451989 U JP 4451989U JP 4451989 U JP4451989 U JP 4451989U JP H02135891 U JPH02135891 U JP H02135891U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- ground
- closing
- cutter head
- shield body
- 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.)
- Pending
Links
- 238000005192 partition Methods 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 239000004576 sand Substances 0.000 claims 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4451989U JPH02135891U (cs) | 1989-04-18 | 1989-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4451989U JPH02135891U (cs) | 1989-04-18 | 1989-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135891U true JPH02135891U (cs) | 1990-11-13 |
Family
ID=31557896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4451989U Pending JPH02135891U (cs) | 1989-04-18 | 1989-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135891U (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200043085A (ko) * | 2018-10-17 | 2020-04-27 | 한국전력공사 | 터널 전방 암반의 전기비저항 측정용 센서 |
-
1989
- 1989-04-18 JP JP4451989U patent/JPH02135891U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200043085A (ko) * | 2018-10-17 | 2020-04-27 | 한국전력공사 | 터널 전방 암반의 전기비저항 측정용 센서 |
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