JPH01138989U - - Google Patents
Info
- Publication number
- JPH01138989U JPH01138989U JP2756388U JP2756388U JPH01138989U JP H01138989 U JPH01138989 U JP H01138989U JP 2756388 U JP2756388 U JP 2756388U JP 2756388 U JP2756388 U JP 2756388U JP H01138989 U JPH01138989 U JP H01138989U
- Authority
- JP
- Japan
- Prior art keywords
- displacement meter
- shield
- support arm
- attached
- meter support
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2756388U JPH01138989U (enExample) | 1988-03-03 | 1988-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2756388U JPH01138989U (enExample) | 1988-03-03 | 1988-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01138989U true JPH01138989U (enExample) | 1989-09-22 |
Family
ID=31250160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2756388U Pending JPH01138989U (enExample) | 1988-03-03 | 1988-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01138989U (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021152315A (ja) * | 2020-03-25 | 2021-09-30 | 戸田建設株式会社 | トンネル掘削機の測量装置 |
-
1988
- 1988-03-03 JP JP2756388U patent/JPH01138989U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021152315A (ja) * | 2020-03-25 | 2021-09-30 | 戸田建設株式会社 | トンネル掘削機の測量装置 |