WO2012098081A1 - Pile driver system for and method of installing foundation elements in a subsea ground formation - Google Patents
Pile driver system for and method of installing foundation elements in a subsea ground formation Download PDFInfo
- Publication number
- WO2012098081A1 WO2012098081A1 PCT/EP2012/050577 EP2012050577W WO2012098081A1 WO 2012098081 A1 WO2012098081 A1 WO 2012098081A1 EP 2012050577 W EP2012050577 W EP 2012050577W WO 2012098081 A1 WO2012098081 A1 WO 2012098081A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pile driver
- water
- impact weight
- housing
- surroundings
- Prior art date
Links
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
- E02D7/10—Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
Definitions
- Pile driver system for and method of installing foundation elements in a subsea ground formation
- the invention relates to a pile driver system for installing or removing (decommissioning) foundation
- the circuit comprises one or more valves, a cylinder, and a piston accommodated in the cylinder and connected to the impact weight, e.g. forming an integral whole with the impact weight or rigidly connected to the impact weight.
- the system further comprises a pump for withdrawing water from the surroundings of the pile driver and providing
- the invention further relates to a method of installing or removing foundation elements.
- EP 675 233 relates to a hydraulic pile driver comprises a casing (denoted by numeral 1 in the Figures of EP 675 233) in which is mounted a striker (2) with an anvil block (3), a hydraulic power cylinder (4) whose rod (5) is connected with the striker (2), and a hydraulic distributor (12).
- the proposed device is ecologically clean since used as a working fluid is water, sea water inclusive, but not mineral oil which is typical for the state-of-the art device.”
- a "patent proposal" available on the internet under the name Lerch Sea Water Hammer relates to a pile driver that "uses seawater as its hydraulic fluid, and having given up its energy, it is disposed of by returning it to the ocean surrounding the hammer. Thereby, eliminating the need for two power transmission hoses between the pump and Pile Driver. ... Further to enable this Pile Driver to work more efficiently an air environment is maintained within the Pile Driver Casing.”
- the hammer is movable upwards and downwards in a housing which, in operation, is filled with a liquid which is present both above and below the hammer, the hammer being driven at least on the upwards direction by a driving liquid which is pressurized by a motor driven pump located on or adjacent the housing and which is the same as the liquid in which the hammer moves.
- a driving liquid which is pressurized by a motor driven pump located on or adjacent the housing and which is the same as the liquid in which the hammer moves.
- the liquid with which the housing is filled is the ambient water in which the apparatus is submerged.
- the exhaust of the hydraulic circuit communicates with the cavity and one or more outlets are located in the wall of the housing.
- the outlet is located near or in the bottom of the housing.
- the pile driver comprises an upper bearing and/or a lower bearing for guiding an upper and/or lower part of the impact weight and an outlet is located below the bearing (s), preferably below the lowest bearing.
- the pile driver system comprises a filter located upstream from the valves, preferably upstream from the pump. The filter preferably removes particles in excess of 50 pm, preferably in excess of 25 pm, and more preferably in excess of 10 pm, i.e.
- the pump(s) and filter are located on deck of a surface vessel. However, if the pump(s) and filter are located near or even on or in the submerged pile driver, a supply line for the pressurized water is no longer
- the impact weight is driven upwards and then downwards by the pressurized water.
- the one or more valves are arranged to alternately direct pressurised water to opposite sides of the piston, in particular to the so-called lifting and acceleration surfaces of the piston.
- pile drivers can be operated with a smaller pump, compared to pile drivers having a hydraulic circuit comprising a gas spring.
- the invention further relates to a method of installing or removing foundation elements, such as piles, anchors, and conductors, in a sub-sea ground formation, comprising the steps of mounting the pile driver on a foundation element, filling, e.g. flooding the cavity with water, driving the foundation element into respectively out of the ground formation by alternately lifting and
- the impact weight respectively away from and towards the element using water taken from the surroundings as an hydraulic medium, and returning the water to the surroundings via the cavity.
- at least part of the water is returned to the surroundings via the bottom of the housing, the water thus flowing around the impact weight and preferably through the upper and lower bearings.
- GB 2 078 148 relates to a drop hammer apparatus, wherein a hammer (E) is interconnected with a piston (B) by means of a piston rod.
- An upright cylinder (A) is open at its upper end, the piston is slidable within the cylinder and the piston rod is slidable through the lower end of the cylinder.
- the space within the cylinder below the piston is selectively connected to a source (C) of pressurized liquid e.g. water and exhausted by means of a valve (D) .
- a source of pressurized liquid e.g. water
- a valve (D) In a totally submerged situation the surrounding water is used as the hydraulic fluid and is pumped into the cylinder and discharged back into the surrounding water by the valve D.
- GB 2 069 902 relates to a submersible hammer (21) for driving piles comprising a piston (36) and cylinder (35) assembly provided in conjunction with a ram (30) to move the same upwardly when the piston is lifted.
- Sea water is supplied as power medium at a pressure in excess of the ambient pressure.
- An exhaust valve (51) vents the sea water allowing the piston and ram to fall until the ram impacts the upper end of a pile to drive the same into the sea bed.
- US 4,089,165 relates to a water pressure-powered pile driving hammer.
- the piston of the pile driving hammer is raised by hydraulic (water) pressure.
- Other prior art relating to underwater pile driving includes EP 301 114, EP 301 116 and US 4,043,405.
- US 5,662,175 relates to a pile hammer utilizing either sea or fresh water as an operating fluid and comprising a hollow (external) ram.
- US 4,601,349 relates to a hydraulic pile driver including a housing (1) having an impact weight (2) mounted therein for reciprocating movement and a cylinder (8), which is open at the upper side and communicates with a gas filled chamber (9), surrounding this cylinder (8).
- the chamber 9 in the housing 1 through a connecting passage 31 communicates with the chamber 32 in the housing 1, containing the impact weight 2.
- the volume of the second pressure medium is considerably
- US 4,333,492 discloses a liquid inertia tool in which the kinetic energy of flowing liquid is converted to useful work by decelerating the liquid flow and directing the inertia force in the water against a movable element in the liquid flow-containing structure which in turn moves against a work piece.
- the Figure shows an embodiment of a pile driver 1 according to the present invention for installing or
- a subsea ground formation which comprises a closed housing 2 defining a cavity 3, an impact weight 4 accommodated inside the housing 2, i.e. in the cavity and enveloped by the housing, and slidingly mounted in upper and lower bearings 5,6, a hydraulic circuit for reciprocating the impact weight 4, and a pump unit for withdrawing and filtering water from the sea and providing pressurized water to the hydraulic circuit.
- the hydraulic circuit comprises two valves 7,8, a hydraulic cylinder 9, and a piston 10 accommodated in the cylinder and connected to the impact weight by means of a piston rod 10A guided in the upper bearing 5. It is generally preferred that the piston and piston rod form an integral part of the impact weight.
- the hydraulic cylinder is provided with openings 11 in its wall near its upper end, through which the cylinder communicates with one or more chambers, in this example an annular chamber 12 completely surrounding the cylinder.
- a first conduit 13 directly connects the pump unit to the space in the hydraulic cylinder 9 beneath the piston 10, to supply pressurized water to the lower or lifting surface of the piston and to a high pressure accumulator 14 accommodated in the chamber 12.
- the accumulator known in itself, suppresses extreme variations in pressure in the hydraulic circuit.
- a second conduit 15 connects the pump, via the first or supply pressure valve 7 to the space in the hydraulic cylinder 9 above the piston 10 or, in this example, a lumen inside the piston and piston rod to supply pressurized water to the (effective) upper surface of the piston, i.e. the cross-sectional area of the lumen.
- the (effective) upper surface of the piston is larger than lower surface of piston - which surface, incidentally, is defined by an annular notch 16 at the transition between the piston 10 and the piston rod 10A -, to generate a net downwards force when the pressure above the piston is equal to that beneath the piston.
- a third conduit 17 connects the second conduit 15, via the second or return pressure valve 8 to the annular chamber 12 surrounding the hydraulic cylinder 9.
- the annular chamber 12 communicates with the cavity 3 in the housing 2 accommodating the impact weight 4 through one or more passages 18 extending e.g. parallel to the upper bearing 5. Further passages 19 connect the cavity with the space beneath the lower bearing 6, which space, in this example, accommodates a shock absorber pack 20 and a shock plate 21, both known in themselves.
- a shock absorber pack 20 and a shock plate 21 both known in themselves.
- bearing (s) can be set and adjusted by means of throttles, e.g. throttle valves positioned in the bearing(s).
- throttles e.g. throttle valves positioned in the bearing(s).
- the lower end of the pile driver is provided with a sleeve 22 with which the driver 1 is mounted on a foundation element, in this case a monopile 23, with an anvil 24 interposed between the two.
- Proximity sensors 25 are positioned on the inner wall of the cavity 3 to establish position and speed of the impact weight 4.
- the driver comprises a plurality of exhaust openings 26, located in the shock plate, to return the driving water to the surroundings, in this case to the sleeve.
- the pump unit is located on deck of a surface vessel and comprises a high pressure positive displacement pump 27, a filter 28 located upstream from the high pressure pump, and a low pressure feed pump 29 upstream from the filter.
- the filter comprises three stages, viz. an automatic filter removing particles in excess of 50 ym, an
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)
- Piles And Underground Anchors (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12702197.0A EP2665873A1 (en) | 2011-01-17 | 2012-01-16 | Pile driver system for and method of installing foundation elements in a subsea ground formation |
US13/979,753 US9476176B2 (en) | 2011-01-17 | 2012-01-16 | Pile driver system for and method of installing foundation elements in a subsea ground formation |
CN201280005182.0A CN103328729B (en) | 2011-01-17 | 2012-01-16 | Piling machine system and method for installation foundation element in subsea strata |
BR112013017735A BR112013017735A2 (en) | 2011-01-17 | 2012-01-16 | pile driver system, and method of installing or removing foundation elements |
AU2012208656A AU2012208656A1 (en) | 2011-01-17 | 2012-01-16 | Pile driver system for and method of installing foundation elements in a subsea ground formation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL2006017A NL2006017C2 (en) | 2011-01-17 | 2011-01-17 | Pile driver system for and method of installing foundation elements in a subsea ground formation. |
NL2006017 | 2011-01-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012098081A1 true WO2012098081A1 (en) | 2012-07-26 |
Family
ID=44475063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/050577 WO2012098081A1 (en) | 2011-01-17 | 2012-01-16 | Pile driver system for and method of installing foundation elements in a subsea ground formation |
Country Status (7)
Country | Link |
---|---|
US (1) | US9476176B2 (en) |
EP (1) | EP2665873A1 (en) |
CN (1) | CN103328729B (en) |
AU (1) | AU2012208656A1 (en) |
BR (1) | BR112013017735A2 (en) |
NL (1) | NL2006017C2 (en) |
WO (1) | WO2012098081A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL2011003C2 (en) * | 2013-06-18 | 2014-12-22 | Ihc Hydrohammer B V | Pile driving methods and systems. |
US20160221171A1 (en) * | 2015-02-02 | 2016-08-04 | Caterpillar Inc. | Hydraulic hammer having dual valve acceleration control system |
CN107012867B (en) * | 2015-06-02 | 2019-09-06 | 浙江正方交通建设有限公司 | A kind of hydraulic pile hammer |
GB2551774B (en) * | 2016-06-30 | 2019-02-20 | Dawson Const Plant Ltd | Pile Hammer |
KR101780154B1 (en) * | 2016-07-27 | 2017-09-20 | 대모 엔지니어링 주식회사 | Hydraulic percussion device and construction equipment having the same |
ES2928397T3 (en) * | 2016-11-17 | 2022-11-17 | Junttan Oy | A driving cylinder of a pile driving rig and a pile driving rig |
CN115539467B (en) * | 2022-10-31 | 2023-09-19 | 中机锻压江苏股份有限公司 | Deep sea hydraulic pile hammer gas-liquid combined pressure compensation device |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1846804A (en) * | 1929-09-06 | 1932-02-23 | Ingersoll Rand Co | Fluid actuated percussive tool |
US4043405A (en) | 1974-11-16 | 1977-08-23 | Koehring Gmbh | Pile-driving arrangement |
US4089165A (en) | 1976-12-06 | 1978-05-16 | Reineke Jr Harry W | Water pressure-powered pile driving hammer |
GB2069034A (en) * | 1980-02-08 | 1981-08-19 | Bsp Int Foundation | Pile drivers |
GB2069902A (en) | 1980-02-22 | 1981-09-03 | Raymond Int Builders | Submersible hammer |
GB2078148A (en) | 1980-02-14 | 1982-01-06 | Delva & Co Engineering Ltd | Drop hammer |
US4333492A (en) | 1976-08-16 | 1982-06-08 | West Joe E | Liquid inertia tool |
US4367800A (en) | 1979-02-27 | 1983-01-11 | Hollandsche Beton Groep N.V. | Subsea pile driver |
US4601349A (en) | 1982-02-06 | 1986-07-22 | Ihc Holland Nv | Hydraulic pile driver |
EP0301116A1 (en) | 1987-07-28 | 1989-02-01 | Menck Gmbh | Submergible electrohydraulic drive unit for hammering and servicing devices in under water operation |
EP0301114A1 (en) | 1987-07-28 | 1989-02-01 | Menck Gmbh | Process for driving pile sections under water |
EP0675233A1 (en) | 1992-08-19 | 1995-10-04 | Aktsionernoe Obschestvo Zakrytogo Tipa "Rossiiskaya Patentovannaya Tekhnika" (Ropat) | Hydraulic pile driver |
US5662175A (en) | 1995-08-08 | 1997-09-02 | Vulcan Iron Works, Inc. | Sea water pile hammer |
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US3049097A (en) | 1959-09-29 | 1962-08-14 | Kershaw John Knox | Hydraulic pneumatic driving tool |
US3200893A (en) | 1962-04-09 | 1965-08-17 | Leavell Charles | Vibration elimination |
US3456741A (en) | 1967-07-05 | 1969-07-22 | Sonomotive Eng Ltd | Percussive tools and machines |
US3547207A (en) | 1968-11-07 | 1970-12-15 | Vulcan Iron Works | Percussion hammer |
US3583499A (en) | 1969-09-08 | 1971-06-08 | Hugo Cordes | Hydraulic pile extractor |
US3820346A (en) | 1971-07-16 | 1974-06-28 | Orb Inc | Free piston water hammer pile driving |
US3800548A (en) | 1972-06-30 | 1974-04-02 | Orb Inc | Water hammer pile driving with condensable vapor reset |
SU647404A1 (en) | 1972-12-14 | 1979-02-15 | Научно-Исследовательский Институт Механики Московского Ордена Ленина И Ордена Трудового Красного Знамени Государственного Университета Им. М.В.Ломоносова | Arrangement for driving piles into water basin botton |
US4033139A (en) | 1974-02-08 | 1977-07-05 | Frederick Leonard L | Pile driving hammer, apparatus and method |
US3970156A (en) | 1975-09-15 | 1976-07-20 | The United States Of America As Represented By The Secretary Of The Navy | Water weighted corer |
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US4238166A (en) | 1978-04-07 | 1980-12-09 | Raymond International Builders, Inc. | Underwater driving of piles |
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EP1748109A1 (en) * | 2005-07-25 | 2007-01-31 | Nederlandse Organisatie voor Toegepast-Natuuurwetenschappelijk Onderzoek TNO | Pile driver |
CN100406651C (en) * | 2006-03-10 | 2008-07-30 | 周荣珍 | Hydraulic pile-ramming hammer |
CN101629420A (en) * | 2008-07-18 | 2010-01-20 | 北京纽希液压技术研究所 | Piling hydraulic hammer |
DK2325397T3 (en) * | 2009-11-24 | 2012-10-22 | Ihc Holland Ie Bv | System and method for installing foundation elements in an underwater foundation |
-
2011
- 2011-01-17 NL NL2006017A patent/NL2006017C2/en not_active IP Right Cessation
-
2012
- 2012-01-16 WO PCT/EP2012/050577 patent/WO2012098081A1/en active Application Filing
- 2012-01-16 EP EP12702197.0A patent/EP2665873A1/en not_active Withdrawn
- 2012-01-16 CN CN201280005182.0A patent/CN103328729B/en not_active Expired - Fee Related
- 2012-01-16 US US13/979,753 patent/US9476176B2/en not_active Expired - Fee Related
- 2012-01-16 AU AU2012208656A patent/AU2012208656A1/en not_active Abandoned
- 2012-01-16 BR BR112013017735A patent/BR112013017735A2/en not_active IP Right Cessation
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1846804A (en) * | 1929-09-06 | 1932-02-23 | Ingersoll Rand Co | Fluid actuated percussive tool |
US4043405A (en) | 1974-11-16 | 1977-08-23 | Koehring Gmbh | Pile-driving arrangement |
US4333492A (en) | 1976-08-16 | 1982-06-08 | West Joe E | Liquid inertia tool |
US4089165A (en) | 1976-12-06 | 1978-05-16 | Reineke Jr Harry W | Water pressure-powered pile driving hammer |
US4367800A (en) | 1979-02-27 | 1983-01-11 | Hollandsche Beton Groep N.V. | Subsea pile driver |
GB2069034A (en) * | 1980-02-08 | 1981-08-19 | Bsp Int Foundation | Pile drivers |
GB2078148A (en) | 1980-02-14 | 1982-01-06 | Delva & Co Engineering Ltd | Drop hammer |
GB2069902A (en) | 1980-02-22 | 1981-09-03 | Raymond Int Builders | Submersible hammer |
US4601349A (en) | 1982-02-06 | 1986-07-22 | Ihc Holland Nv | Hydraulic pile driver |
EP0301116A1 (en) | 1987-07-28 | 1989-02-01 | Menck Gmbh | Submergible electrohydraulic drive unit for hammering and servicing devices in under water operation |
EP0301114A1 (en) | 1987-07-28 | 1989-02-01 | Menck Gmbh | Process for driving pile sections under water |
EP0675233A1 (en) | 1992-08-19 | 1995-10-04 | Aktsionernoe Obschestvo Zakrytogo Tipa "Rossiiskaya Patentovannaya Tekhnika" (Ropat) | Hydraulic pile driver |
US5662175A (en) | 1995-08-08 | 1997-09-02 | Vulcan Iron Works, Inc. | Sea water pile hammer |
Also Published As
Publication number | Publication date |
---|---|
EP2665873A1 (en) | 2013-11-27 |
NL2006017C2 (en) | 2012-07-18 |
CN103328729A (en) | 2013-09-25 |
AU2012208656A1 (en) | 2013-07-18 |
US9476176B2 (en) | 2016-10-25 |
CN103328729B (en) | 2016-12-28 |
US20140314495A1 (en) | 2014-10-23 |
BR112013017735A2 (en) | 2016-10-11 |
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