JPS5628993A - Pit excavation method and drilling guide pipe for hard rock - Google Patents
Pit excavation method and drilling guide pipe for hard rockInfo
- Publication number
- JPS5628993A JPS5628993A JP10408979A JP10408979A JPS5628993A JP S5628993 A JPS5628993 A JP S5628993A JP 10408979 A JP10408979 A JP 10408979A JP 10408979 A JP10408979 A JP 10408979A JP S5628993 A JPS5628993 A JP S5628993A
- Authority
- JP
- Japan
- Prior art keywords
- guide pipe
- hard rock
- excavation method
- drilling guide
- pit 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10408979A JPS5628993A (en) | 1979-08-17 | 1979-08-17 | Pit excavation method and drilling guide pipe for hard rock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10408979A JPS5628993A (en) | 1979-08-17 | 1979-08-17 | Pit excavation method and drilling guide pipe for hard rock |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5628993A true JPS5628993A (en) | 1981-03-23 |
JPS5729638B2 JPS5729638B2 (en) | 1982-06-23 |
Family
ID=14371392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10408979A Granted JPS5628993A (en) | 1979-08-17 | 1979-08-17 | Pit excavation method and drilling guide pipe for hard rock |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5628993A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5894586A (en) * | 1981-11-28 | 1983-06-04 | 株式会社山本鉄工所 | Method and apparatus for drilling large diameter hole |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5268704A (en) * | 1975-12-03 | 1977-06-07 | Ikunari Onooka | Method of timbering continuously in hole excavated by earth auger |
-
1979
- 1979-08-17 JP JP10408979A patent/JPS5628993A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5268704A (en) * | 1975-12-03 | 1977-06-07 | Ikunari Onooka | Method of timbering continuously in hole excavated by earth auger |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5894586A (en) * | 1981-11-28 | 1983-06-04 | 株式会社山本鉄工所 | Method and apparatus for drilling large diameter hole |
Also Published As
Publication number | Publication date |
---|---|
JPS5729638B2 (en) | 1982-06-23 |
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