JPH0475355B2 - - Google Patents
Info
- Publication number
- JPH0475355B2 JPH0475355B2 JP5944686A JP5944686A JPH0475355B2 JP H0475355 B2 JPH0475355 B2 JP H0475355B2 JP 5944686 A JP5944686 A JP 5944686A JP 5944686 A JP5944686 A JP 5944686A JP H0475355 B2 JPH0475355 B2 JP H0475355B2
- Authority
- JP
- Japan
- Prior art keywords
- screw auger
- excavation
- load current
- cutting edge
- average
- 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 103
- 238000001514 detection method Methods 0.000 claims description 49
- 238000004364 calculation method Methods 0.000 claims description 20
- 238000005070 sampling Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000005283 ground state Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5944686A JPS62220691A (ja) | 1986-03-19 | 1986-03-19 | オ−ガ掘削地盤用掘削地盤状態検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5944686A JPS62220691A (ja) | 1986-03-19 | 1986-03-19 | オ−ガ掘削地盤用掘削地盤状態検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62220691A JPS62220691A (ja) | 1987-09-28 |
JPH0475355B2 true JPH0475355B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-11-30 |
Family
ID=13113520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5944686A Granted JPS62220691A (ja) | 1986-03-19 | 1986-03-19 | オ−ガ掘削地盤用掘削地盤状態検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62220691A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6367319A (ja) * | 1986-09-09 | 1988-03-26 | Hitachi Constr Mach Co Ltd | 硬さ指数計測装置 |
JPH0657935B2 (ja) * | 1986-12-05 | 1994-08-03 | 財団法人土木研究センタ− | 地盤強度測定方法 |
JP6926441B2 (ja) * | 2016-10-27 | 2021-08-25 | 株式会社大林組 | 地盤削孔ドリルの制御方法 |
-
1986
- 1986-03-19 JP JP5944686A patent/JPS62220691A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS62220691A (ja) | 1987-09-28 |