GB1142189A - A two-stage device for extracting previously fixed metal tube-moulds from the ground - Google Patents
A two-stage device for extracting previously fixed metal tube-moulds from the groundInfo
- Publication number
- GB1142189A GB1142189A GB2144767A GB2144767A GB1142189A GB 1142189 A GB1142189 A GB 1142189A GB 2144767 A GB2144767 A GB 2144767A GB 2144767 A GB2144767 A GB 2144767A GB 1142189 A GB1142189 A GB 1142189A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tubes
- ground
- winches
- concrete
- moulds
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
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)
- Piles And Underground Anchors (AREA)
Abstract
1,142,189. Withdrawing moulding-tubes for cast in-situ piles. ICELS PALI S.p.A. 9 May, 1967 [18 May, 1966], No. 21447/67. Headings E1F and E1H. In the formation of cast in-situ piles, moulding tubes 16, 22 are inserted into the ground with cables 10, 11 of a withdrawing device attached to the lower end of the tube 16 so that the tubes may be withdrawn after the concrete, which may be reinforced, is poured into the tubes. During withdrawal of the tubes the concrete may be consolidated by vibrating or ramming, and additional concrete may be added to the pile. The tubes are extracted by operating hydraulic jacks 2,2' to raise winches 8, 9 which are connected to the cables 10, 11, the winches being prevented from rotation by pawls 24. When the resistance to extraction of the tubes falls the operation of the jacks is stopped and the winches are hydraulically operated to increase the speed of extraction whilst using the same power.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1132966 | 1966-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1142189A true GB1142189A (en) | 1969-02-05 |
Family
ID=11135074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2144767A Expired GB1142189A (en) | 1966-05-18 | 1967-05-09 | A two-stage device for extracting previously fixed metal tube-moulds from the ground |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH449527A (en) |
| GB (1) | GB1142189A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746616A (en) * | 2020-12-30 | 2021-05-04 | 刘林琴 | Pile foundation is built soft ground and is hit formula of beating and pull out equipment fast with protecting a section of thick bamboo |
-
1967
- 1967-05-09 CH CH654667A patent/CH449527A/en unknown
- 1967-05-09 GB GB2144767A patent/GB1142189A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH449527A (en) | 1967-12-31 |
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