JPS6217072B2 - - Google Patents
Info
- Publication number
- JPS6217072B2 JPS6217072B2 JP21136082A JP21136082A JPS6217072B2 JP S6217072 B2 JPS6217072 B2 JP S6217072B2 JP 21136082 A JP21136082 A JP 21136082A JP 21136082 A JP21136082 A JP 21136082A JP S6217072 B2 JPS6217072 B2 JP S6217072B2
- Authority
- JP
- Japan
- Prior art keywords
- circumferential
- primary segment
- guide ring
- normal diameter
- diameter tunnel
- 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 32
- 238000000034 method Methods 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 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 |
|---|---|---|---|
| JP21136082A JPS59102090A (ja) | 1982-12-03 | 1982-12-03 | 円周拡大シ−ルド掘削工法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21136082A JPS59102090A (ja) | 1982-12-03 | 1982-12-03 | 円周拡大シ−ルド掘削工法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59102090A JPS59102090A (ja) | 1984-06-12 |
| JPS6217072B2 true JPS6217072B2 (en, 2012) | 1987-04-15 |
Family
ID=16604675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21136082A Granted JPS59102090A (ja) | 1982-12-03 | 1982-12-03 | 円周拡大シ−ルド掘削工法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59102090A (en, 2012) |
-
1982
- 1982-12-03 JP JP21136082A patent/JPS59102090A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59102090A (ja) | 1984-06-12 |
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