JPS57140496A - Small-diameter tunnel excavation - Google Patents
Small-diameter tunnel excavationInfo
- Publication number
- JPS57140496A JPS57140496A JP56025530A JP2553081A JPS57140496A JP S57140496 A JPS57140496 A JP S57140496A JP 56025530 A JP56025530 A JP 56025530A JP 2553081 A JP2553081 A JP 2553081A JP S57140496 A JPS57140496 A JP S57140496A
- Authority
- JP
- Japan
- Prior art keywords
- small
- tunnel excavation
- diameter tunnel
- diameter
- excavation
- 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.)
- Granted
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56025530A JPS57140496A (en) | 1981-02-25 | 1981-02-25 | Small-diameter tunnel excavation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56025530A JPS57140496A (en) | 1981-02-25 | 1981-02-25 | Small-diameter tunnel excavation |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57140496A true JPS57140496A (en) | 1982-08-31 |
JPS612159B2 JPS612159B2 (en) | 1986-01-22 |
Family
ID=12168584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56025530A Granted JPS57140496A (en) | 1981-02-25 | 1981-02-25 | Small-diameter tunnel excavation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57140496A (en) |
-
1981
- 1981-02-25 JP JP56025530A patent/JPS57140496A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS612159B2 (en) | 1986-01-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2110274B (en) | Rock drilling | |
GB2103684B (en) | Tunnel liners | |
GB8308457D0 (en) | Tunnel tubbing | |
GB2109035B (en) | Mining method | |
GB2091316B (en) | Tunnelling | |
GB2109450B (en) | Underground roof support | |
ZA822418B (en) | Mine support | |
JPS5729797A (en) | Tunnel excavator | |
JPS57137599A (en) | Tunnel construction | |
JPS57140496A (en) | Small-diameter tunnel excavation | |
JPS57187580A (en) | Tunnel kiln | |
JPS5774498A (en) | Shieled tunnel excavation | |
JPS57143099A (en) | Tunnel lining method | |
JPS57180796A (en) | Construction of underground tunnel | |
JPS5768496A (en) | Tunnel excavation method | |
JPS57146898A (en) | Tunnel drilling machine | |
JPS57193690A (en) | Large-bore excavator | |
JPS57119092A (en) | Excavation | |
JPS57140495A (en) | Construction of small-diameter tunnel | |
JPS56108495A (en) | Tunnel excavator | |
ZA822334B (en) | Excavation method | |
GB2106959B (en) | Excavation apparatus | |
ZA822884B (en) | Mine prop | |
ZA822905B (en) | Mine prop | |
ZA823187B (en) | Mine prop |