JPS6217075B2 - - Google Patents
Info
- Publication number
- JPS6217075B2 JPS6217075B2 JP21136482A JP21136482A JPS6217075B2 JP S6217075 B2 JPS6217075 B2 JP S6217075B2 JP 21136482 A JP21136482 A JP 21136482A JP 21136482 A JP21136482 A JP 21136482A JP S6217075 B2 JPS6217075 B2 JP S6217075B2
- Authority
- JP
- Japan
- Prior art keywords
- tunnel
- expansion
- normal diameter
- circumferential
- area
- 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
- 238000009412 basement excavation Methods 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 12
- 230000001141 propulsive effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21136482A JPS59102094A (ja) | 1982-12-03 | 1982-12-03 | トンネル拡大掘削装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21136482A JPS59102094A (ja) | 1982-12-03 | 1982-12-03 | トンネル拡大掘削装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59102094A JPS59102094A (ja) | 1984-06-12 |
| JPS6217075B2 true JPS6217075B2 (enrdf_load_stackoverflow) | 1987-04-15 |
Family
ID=16604738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21136482A Granted JPS59102094A (ja) | 1982-12-03 | 1982-12-03 | トンネル拡大掘削装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59102094A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62120928U (enrdf_load_stackoverflow) * | 1986-01-27 | 1987-07-31 |
-
1982
- 1982-12-03 JP JP21136482A patent/JPS59102094A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59102094A (ja) | 1984-06-12 |
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