JPH047799B2 - - Google Patents
Info
- Publication number
- JPH047799B2 JPH047799B2 JP14977986A JP14977986A JPH047799B2 JP H047799 B2 JPH047799 B2 JP H047799B2 JP 14977986 A JP14977986 A JP 14977986A JP 14977986 A JP14977986 A JP 14977986A JP H047799 B2 JPH047799 B2 JP H047799B2
- Authority
- JP
- Japan
- Prior art keywords
- excavator
- bucket
- cutter
- expanding
- hose
- 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
- 238000010276 construction Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14977986A JPS637417A (ja) | 1986-06-27 | 1986-06-27 | 杭孔拡底用掘削機の安全装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14977986A JPS637417A (ja) | 1986-06-27 | 1986-06-27 | 杭孔拡底用掘削機の安全装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS637417A JPS637417A (ja) | 1988-01-13 |
JPH047799B2 true JPH047799B2 (enrdf_load_stackoverflow) | 1992-02-13 |
Family
ID=15482537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14977986A Granted JPS637417A (ja) | 1986-06-27 | 1986-06-27 | 杭孔拡底用掘削機の安全装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS637417A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0617577B2 (ja) * | 1989-08-04 | 1994-03-09 | 株式会社ジオトップ | 場所打ち杭等基礎杭の掘孔方法及びその装置 |
US5099696A (en) * | 1988-12-29 | 1992-03-31 | Takechi Engineering Co., Ltd. | Methods of determining capability and quality of foundation piles and of designing foundation piles, apparatus for measuring ground characteristics, method of making hole for foundation pile such as cast-in-situ pile and apparatus therefor |
JP6853519B2 (ja) * | 2017-05-18 | 2021-03-31 | 株式会社長谷工コーポレーション | 掘削孔の拡径装置 |
-
1986
- 1986-06-27 JP JP14977986A patent/JPS637417A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS637417A (ja) | 1988-01-13 |
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