JPH0415833Y2 - - Google Patents
Info
- Publication number
- JPH0415833Y2 JPH0415833Y2 JP17523686U JP17523686U JPH0415833Y2 JP H0415833 Y2 JPH0415833 Y2 JP H0415833Y2 JP 17523686 U JP17523686 U JP 17523686U JP 17523686 U JP17523686 U JP 17523686U JP H0415833 Y2 JPH0415833 Y2 JP H0415833Y2
- Authority
- JP
- Japan
- Prior art keywords
- casing
- pressure
- rotating
- sand
- rotating casing
- 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
- 239000004576 sand Substances 0.000 claims description 36
- 230000003068 static effect Effects 0.000 claims description 8
- 239000012530 fluid Substances 0.000 description 13
- 239000002689 soil Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17523686U JPH0415833Y2 (en]) | 1986-11-14 | 1986-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17523686U JPH0415833Y2 (en]) | 1986-11-14 | 1986-11-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6381997U JPS6381997U (en]) | 1988-05-30 |
| JPH0415833Y2 true JPH0415833Y2 (en]) | 1992-04-09 |
Family
ID=31114372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17523686U Expired JPH0415833Y2 (en]) | 1986-11-14 | 1986-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415833Y2 (en]) |
-
1986
- 1986-11-14 JP JP17523686U patent/JPH0415833Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6381997U (en]) | 1988-05-30 |
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