JPS60253620A - 杭打用ドロツプハンマ - Google Patents
杭打用ドロツプハンマInfo
- Publication number
- JPS60253620A JPS60253620A JP10881784A JP10881784A JPS60253620A JP S60253620 A JPS60253620 A JP S60253620A JP 10881784 A JP10881784 A JP 10881784A JP 10881784 A JP10881784 A JP 10881784A JP S60253620 A JPS60253620 A JP S60253620A
- Authority
- JP
- Japan
- Prior art keywords
- anvil
- medium
- chamber
- hammer
- striking body
- 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
- 239000011121 hardwood Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 20
- 230000037431 insertion Effects 0.000 description 20
- 239000010720 hydraulic oil Substances 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 4
- 230000003116 impacting effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000008233 hard water Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/08—Drop drivers with free-falling hammer
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10881784A JPS60253620A (ja) | 1984-05-29 | 1984-05-29 | 杭打用ドロツプハンマ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10881784A JPS60253620A (ja) | 1984-05-29 | 1984-05-29 | 杭打用ドロツプハンマ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60253620A true JPS60253620A (ja) | 1985-12-14 |
JPH0332652B2 JPH0332652B2 (enrdf_load_html_response) | 1991-05-14 |
Family
ID=14494261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10881784A Granted JPS60253620A (ja) | 1984-05-29 | 1984-05-29 | 杭打用ドロツプハンマ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60253620A (enrdf_load_html_response) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49119405A (enrdf_load_html_response) * | 1973-03-19 | 1974-11-14 | ||
JPS5374703A (en) * | 1976-12-15 | 1978-07-03 | Takashi Takee | Method and device for preventing ground from being vibrated by impact |
-
1984
- 1984-05-29 JP JP10881784A patent/JPS60253620A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49119405A (enrdf_load_html_response) * | 1973-03-19 | 1974-11-14 | ||
JPS5374703A (en) * | 1976-12-15 | 1978-07-03 | Takashi Takee | Method and device for preventing ground from being vibrated by impact |
Also Published As
Publication number | Publication date |
---|---|
JPH0332652B2 (enrdf_load_html_response) | 1991-05-14 |
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