JPH0415826Y2 - - Google Patents
Info
- Publication number
- JPH0415826Y2 JPH0415826Y2 JP1990111612U JP11161290U JPH0415826Y2 JP H0415826 Y2 JPH0415826 Y2 JP H0415826Y2 JP 1990111612 U JP1990111612 U JP 1990111612U JP 11161290 U JP11161290 U JP 11161290U JP H0415826 Y2 JPH0415826 Y2 JP H0415826Y2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- casing pipe
- casing
- excavation
- bolt
- 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
- 238000005553 drilling Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 7
- 238000009412 basement excavation Methods 0.000 description 34
- 239000004576 sand Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990111612U JPH0415826Y2 (fr) | 1990-10-26 | 1990-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990111612U JPH0415826Y2 (fr) | 1990-10-26 | 1990-10-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0393896U JPH0393896U (fr) | 1991-09-25 |
| JPH0415826Y2 true JPH0415826Y2 (fr) | 1992-04-09 |
Family
ID=31660084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990111612U Expired JPH0415826Y2 (fr) | 1990-10-26 | 1990-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415826Y2 (fr) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4521086Y1 (fr) * | 1967-02-16 | 1970-08-22 | ||
| US3999620A (en) * | 1975-05-30 | 1976-12-28 | Watson, Incorporated | Core barrel |
| JPS56119030A (en) * | 1980-02-23 | 1981-09-18 | Hajime Matsuzawa | Performance of work for placing an embedded pile and device for carrying out the said performance |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5520876Y2 (fr) * | 1974-03-04 | 1980-05-19 | ||
| JPS6145272Y2 (fr) * | 1978-03-25 | 1986-12-19 | ||
| JPS58115592U (ja) * | 1982-02-01 | 1983-08-06 | 日本タングステン株式会社 | 岩掘削カツタ−装置用カツタ−ビツト |
-
1990
- 1990-10-26 JP JP1990111612U patent/JPH0415826Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4521086Y1 (fr) * | 1967-02-16 | 1970-08-22 | ||
| US3999620A (en) * | 1975-05-30 | 1976-12-28 | Watson, Incorporated | Core barrel |
| JPS56119030A (en) * | 1980-02-23 | 1981-09-18 | Hajime Matsuzawa | Performance of work for placing an embedded pile and device for carrying out the said performance |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0393896U (fr) | 1991-09-25 |
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