CN104271843A - Method of and system for installing foundation elements in an underwater ground formation - Google Patents
Method of and system for installing foundation elements in an underwater ground formation Download PDFInfo
- Publication number
- CN104271843A CN104271843A CN201380023463.3A CN201380023463A CN104271843A CN 104271843 A CN104271843 A CN 104271843A CN 201380023463 A CN201380023463 A CN 201380023463A CN 104271843 A CN104271843 A CN 104271843A
- Authority
- CN
- China
- Prior art keywords
- barrier
- stratum
- wall
- driver
- noise
- 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.)
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- 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
-
- 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
- E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0065—Monopile structures
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Foundations (AREA)
Abstract
The invention relates to a method of and system for installing a foundation element, in particular a (mono) pile (2), in a hard underwater ground formation (3) by means of a driver (4). The method comprises the steps of placing a foundation element (2) on the underwater ground formation (3), placing a screen (7) for reducing noise input from the driver (4), driving the foundation element (2) into the ground formation (3) by means of the driver (4) while the screen (7) is positioned about the foundation element (2), and attenuating noise transfer from the underwater ground formation (3) to the outer wall (9) of the screen (7) during at least part of the driving.
Description
Technical field
The present invention relates to one by means of driver (such as hydraulic unit driver) by base components, particularly (list) stake, is arranged on the method in hard underwater stratum.This method comprises the following steps: base components be placed on underwater stratum; The barrier being used for reducing the noise inputted by driver is placed in the water of surrounding; And, while barrier is located around base components, by means of driver, base components is driven in stratum.The invention still further relates to a kind of system for installation foundation element.
Background technology
As explained in European Patent 1 989 358, carry out offshore Ramming operation under water, to set up the basis such as offshore boring island and wind turbine.For wind turbine, large single pile diameter being greater than 4 meters is rammed in sea bed.This compacting causes the very large input of noise under water, and this may cause negative effect to marine fauna.In order to reduce noise input under water, according in the method and apparatus of EP 1 989 358, being surrounded by the immersion sleeve fixed will by the material rammed.Sleeve advantageously has the structure of similar sandwich.In the example shown in Fig. 1 of EP1 989 358, sleeve has at least one the buffering induction element for guiding stake.
EP 1 640 508 relates to a kind of guiding device for stake, and this device has the framework be fastened on ship self-elevating drilling platform, for when pillar is rammed in seabed around and guide post.The nozzle assembly of air-blast device is attached at framework place, the nozzle assembly of described air-blast device can drop to from the top standby position be arranged in below framework be positioned at the end dwell part (benthic division) operating position.Stake is delimited by annular in aeration operation.This assembly has the pipe with exit opening.
The device of the acoustical vibration in the liquid that the sound source below a kind of liquid level for reducing passively because being arranged in water body that relates to WO 2010/151121 causes, described device comprises elongated pipe, described elongated pipe can be arranged in sound source, described pipe comprises outer wall and inwall, wherein, pipe is designed to keep a certain desired pressure in the intermediate space between inner and outer wall.In this case, pressure reduces relative to environment stress.Due to the pressure reduced, therefore acoustical vibration will be not easy to propagate into the external world, and reduce the noise level in pipe peripheral region." in water body, the outer wall of pipe and inwall can be arranged to end to end, such as, by first being anchored to by inwall in bottom, are then anchored to by the outer wall arranged around inwall in bottom.But also pipe integrally may be placed, that is, inner and outer wall has been assembled to form parts at bottom place ".
Summary of the invention
The object of the invention is to improve noise further to alleviate, particularly when base components is driven in hard subsea strata and/or when noise alleviate barrier be made up of the material with high elastic modulus (such as, more than 100GPa) time.
For this reason, method of the present invention comprises: decaying during at least part of driving process preferably by making at least outer wall of barrier and stratum substantially dynamically not be connected reaches the noise transmission of the outer wall of barrier from (under water) stratum.
Found out that, medium (typically being (sea) water) between base components (such as, single pile) and barrier is not only transmission sound path and is made the noise produced by stake driver be delivered to barrier outer wall via the stratum being shelved with barrier from stake.When stratum comprises stiff materials, such as, the sand of rock, concrete block (scour protection) or compacting, and/or in situation about being made up of the material with high elastic modulus when barrier, particularly so.When the pulsed by stake driver hit the noise produced comprise large-scale frequency time, under one or more intrinsic frequency condition, typically encourage the outer wall of barrier.By the noise transmission of decay via stratum, can avoid or at least reduce this excitation, and alleviating total acoustic radiating further.
Relative to the method and system of prior art, such as realize passively decay by the hardness (modulus) of the contact surface between the bottom that reduces at least outer wall of stratum and barrier, or such as by setting up the main intrinsic frequency of barrier and being provided for the frequency noise that elimination produces by stake driver and realizing this decay energetically.
In one embodiment, such as by making the outer wall of barrier from the inwall (being the situation of double-walled construction at barrier) of barrier, from stake (being the situation of single-wall structure at barrier) or be folded down from above water craft, the bottom of the outer wall of barrier is kept with stratum (typically top) at a distance of a segment distance.The scope of this distance is preferably in 5 centimetres to 200 centimetres, is preferably in 10 centimetres to 100 centimetres, is preferably in 15 centimetres to 70 centimetres.
In another embodiment, barrier has the buoyancy of at least 50%, preferably at least 70%, or has the buoyancy (when 100%, the density of barrier equals the density of water (seawater)) of 100% or more, in the described situation, barrier is floating.In aftermentioned structure, preferably, by the one or more ballasts (being such as shelved on the concrete block on stratum or foam ring) on stratum and connector (such as barrier being connected to band or the chain of block or ring), barrier is kept putting in place.
In another embodiment, between the bottom that noise attentuation material is positioned at the outer wall of barrier and stratum, described noise attenuation material typically circular in configuration, the circumference of described ring corresponds to the circumference of barrier.
The invention still further relates to a kind of for by base components, particularly (list) stake, is arranged on the system in hard underwater stratum, and described system comprises driver, above water craft and barrier, described barrier is placed around base components, to reduce the noise from driver input.This system also comprises the device for the noise being delivered to barrier outer wall from stratum of decaying during at least part of driving process.
In one embodiment, except for except the crane of fixed drive, above water craft also comprises the pendency barrier and barrier is held in the crane with ground plane one segment distance of period at least partially for driving.It should be noted, in this aspect of the invention, known boats and ships comprise single crane, for operating stake and barrier and spud pile driver during operation.
In another embodiment, barrier has at least 50%, preferably the buoyancy of at least 70%, or has the buoyancy of 100% or larger, and for this reason, such as, barrier comprises one or more room, and/or barrier is made up of the material of density lower than water.
In a further embodiment, barrier is provided with the support member be made up of noise attenuation material, and described support member is attached to barrier or separates with barrier, the modulus of modulus lower than the outer wall of barrier of described material and the modulus lower than underwater stratum.During driving, support member is positioned between the lower edge of barrier and stratum.
For the sake of completeness, following prior art is noted.
JP 60-159218 discloses a kind of isolator for pile hammer, and it comprises sound insulation cylindrical shell, and described sound insulation cylindrical shell is formed by elastomeric material and in the shape of bellows.Sound insulation cylindrical shell is fixed around stake.
DE 1 784 396 discloses a kind of piling and drives hammer, and it comprises telescopic sound-absorbing sleeve.
EP 2 395 156 relates to a kind of for installation foundation element, especially (list) stake, method, said method comprising the steps of: base components is placed on underwater stratum; Put in place to keep base components with by means of the clamper be arranged on above water craft.
The people " Hydroacoustic measurements During Pile Driving At the Hood Canal Bridge; September Through November2004 " such as T.J Garlson disclose a kind of HDPE pile protection cylinder, and the stake that described HDPE pile protection wound packages fits over 24 inches arrives at the ground level lower than the water surface from the place higher than the water surface.Diameter and the wall thickness of mentioned sleeve are respectively 34 inches and 1 and 3/8 inch.
Explain the present invention in further detail now with reference to accompanying drawing, described accompanying drawing shows the preferred embodiment of this method and system.
Within the framework of the invention, word " hard stratum " refers to natural stratum or artificial stratum, and it is at least positioned at the intersection with barrier, and described " hard stratum " comprises the material of modulus of elasticity more than 10MPa.Typical example is including, but not limited to rock (modulus is usually in the scope of 10GPa to 90GPa), tightly compacted sand (modulus is in the scope of 20MPa to 150MPa usually) and so-called scour protection (modulus is generally 10GPa to 90GPa); that is, before driving, be deposited in driving place and be intended to protect the base components of installing to avoid by the rock of such as strong water erosion, concrete block or similar item.
Accompanying drawing explanation
Fig. 1 is the cross section according to the first embodiment of the present invention, and wherein, noise alleviates barrier and is folded down from above water craft;
Fig. 2 and Fig. 3 is according to the phantom drawing and the cross section that comprise the second embodiment of inflatable pad of the present invention;
Fig. 4 is the phantom drawing of the 3rd embodiment comprising floating type barrier.
Detailed description of the invention
It should be noted, accompanying drawing itself is schematic and can omits for understanding the present invention and non-vital details.
Fig. 1 shows an embodiment according to the system 1 for single pile 2 being arranged on underwater stratum 3 (such as sea bed) of the present invention.In this illustration, single pile 2 has circular cross section and its diameter is 5 meters, and is intended to after mounting as the basis of wind turbine.
System 1 comprises: hydraulic unit driver 4 (Fig. 2 illustrates), such as, is connected to the IHC Hydrohammer S-1800 of the power source group on the deck of above water craft (such as ship or self lift type barge); Driver barrier 6, for driver being fixedly mounted in single pile and anvil (because of hiding and invisible by driver barrier), is delivered to single pile for by Impact energy from driver 4.
System also comprises noise and alleviates barrier 7, and this noise alleviates barrier and is made from steel for example and places, to reduce the noise be input to by driver in ambient water around base components.In this illustration, barrier comprises inwall 8 and outer wall 9, that is, barrier is double-walled construction, and has the internal diameter of circular cross section and 6 meters.Double-walled provides one or more room 10 for air or porous material and makes barrier have the buoyancy of 50%.
The upper edge of barrier is provided with dismountable extender, and described dismountable extender is used for the water depth effective length of barrier being adjusted to the place place being provided with base components.Usually, preferably, once be in correct position, noise barrier just extends to above this water level.
Ship 5 comprises: the first heavy-duty machine 11, for promoting and handling single pile 2 and barrier 7; With the second crane (not shown), for fixed hydraulic driver during driving.
Implement the installation example of single pile as described below.The hawser of crane is attached to the upper end of storage single pile on a ship 's, and single pile is overboard promoted, single pile is handled to erection position, transfers on sea bed, and according to circumstances need, allow to penetrate scour protection under the effect of its deadweight and may sea bed be penetrated.During this stage, such as, by means of vibrating device, single pile is driven into several meters of depths in sea bed, to make single pile stablize further.
Driver is positioned on the top of single pile, and promotes barrier above single pile and driver.Alternately, place barrier, and it is inner and on the top of stake subsequently driver to be placed on barrier.In this position, stake is urged to desired depth.Finally, remove driver, above stake, promote barrier and described barrier is put back into deck or marine, and completing installation.
According to the present invention, at least during driving, between the lower edge and sea bed of barrier, keep the distance of 20 centimetres to 100 centimetres, thus described barrier is not dynamically connected with described sea bed.Result, substantially do not have noise or vibration to be delivered to barrier via sea bed, although pass through annular opening leaks sound because of this distance, the energy of this noise is significantly less than the noise produced because of the outer wall of sea bed excitation barrier, that is, total acoustic radiating is further mitigated.
In the embodiment shown in Fig. 2 and Fig. 3, barrier 7 is shelved on the expansion block 12 of annular, the modulus of the modular ratio sea bed of described annular ex-pansion pad and at least one order of magnitude less of the modulus of barrier.Therefore, the higher frequency that at least effectively decays is padded, that is, as low pass filter.
Fig. 4 shows a kind of system, and this system comprises: barrier 7, and described barrier 7 has the buoyancy more than 100%, such as, obtains farther realization by making the inner and outer wall interval of barrier; With ballast 13, described ballast is erect for keeping floating barrier and is greater than 20 centimetres to the distance in 100 cm range with sea bed is spaced apart.In this illustration, provide ballast by ring, this ring is for generation of the foam barrier of double-walled barrier 7 inside, that is, the external diameter of ring is less than the internal diameter of buoyancy barrier.Barrier is attached to ring by band 14.
The present invention is not limited to above-described embodiment, and can change in many ways within the scope of the claims.Such as, by the cross tie part between inner and outer wall, the outer wall of barrier can be folded down (shelving in the earth formation) from the inwall of barrier.Preferably this cross tie part is made up of padded coaming or is provided with padded coaming.
Claims (15)
1. one kind by means of driver (4) by base components (2), especially (list) stake, is arranged on the method in hard underwater stratum (3), said method comprising the steps of:
Base components (2) is placed on described underwater stratum (3),
Place the barrier (7) being used for reducing the noise inputted from described driver (4),
While described barrier (7) is located around described base components (2), by means of described driver (4), described base components (2) is driven in described underwater stratum (3),
It is characterized in that:
In the period at least partially of described driving, reduce the noise of the outer wall (9) being delivered to described barrier (7) from described underwater stratum (3).
2. method according to claim 1, comprising: at least make the described outer wall (9) of described barrier (7) substantially dynamically not be connected with described underwater stratum (3).
3. method according to claim 2, wherein, at least bottom of the described outer wall (9) of described barrier (7) keeps with described underwater stratum (3) at a distance of a segment distance.
4. method according to claim 3, wherein, makes described barrier (7) dangle.
5. the method according to claim 3 or 4, wherein, described barrier (7) has the buoyancy of at least 50%.
6. method according to claim 5, wherein, described barrier (7) floating and by described underwater stratum (3) one or more ballasts (13) keep put in place.
7. the method according to any one in aforementioned claim, wherein, between the bottom of described outer wall (9) noise attenuation material (12) being positioned at described underwater stratum (3) and described barrier (7).
8. method according to claim 7, wherein, the modulus of described noise attenuation material lower than the material of the described outer wall (9) of described barrier (7) modulus and lower than the modulus of described underwater stratum (3).
9. one kind for being arranged on the system in hard underwater stratum (3) by the base components (2) of especially (list) stake, described system comprises driver (4), above water craft (5) and barrier (7), described barrier is placed around described base components (2), to reduce the noise inputted from described driver (4), it is characterized in that, noise-attenuation device (12; 13,14) noise of the outer wall (9) being delivered to described barrier (7) for the decay of period at least partially in described driving from described underwater stratum (3) is set.
10. system according to claim 9 (1), wherein, except the crane for fixing described driver (4) during driving, described above water craft (5) also comprises for keeping described barrier (7) and the crane (11) of described stratum (3) at a distance of a segment distance in the period at least partially of described driving.
11. systems (1) according to claim 9 or 10, wherein, described barrier (7) has the buoyancy of at least 50%.
12. systems according to claim 11 (1), wherein, described barrier (7) at least comprises inwall (8) and outer wall (9).
13. systems according to claim 12 (1), wherein, described barrier (7) has the buoyancy more than 100%, and described system (1) also comprises the ballast (13) for keeping floating barrier (7) to erect.
14. systems (1) according to any one in claim 9 to 13, wherein, described barrier (7) is provided with the support member (12) be made up of noise attenuation material, and described support member is positioned between the lower edge of described barrier (7) and described underwater stratum (3).
15. systems according to claim 14 (1), wherein, described support member (12) modulus lower than the material of the described outer wall (9) of described barrier (7) modulus and lower than the modulus of described underwater stratum (3).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2008625 | 2012-04-11 | ||
| NL2008625A NL2008625C2 (en) | 2012-04-11 | 2012-04-11 | Method of and system for installing foundation elements in an underwater ground formation. |
| PCT/NL2013/050263 WO2013154428A2 (en) | 2012-04-11 | 2013-04-10 | Method of and system for installing foundation elements in an underwater ground formation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104271843A true CN104271843A (en) | 2015-01-07 |
Family
ID=48237202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380023463.3A Pending CN104271843A (en) | 2012-04-11 | 2013-04-10 | Method of and system for installing foundation elements in an underwater ground formation |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20150078836A1 (en) |
| EP (1) | EP2847389A2 (en) |
| JP (1) | JP2015513022A (en) |
| CN (1) | CN104271843A (en) |
| AU (1) | AU2013247474A1 (en) |
| NL (1) | NL2008625C2 (en) |
| WO (1) | WO2013154428A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106574453A (en) * | 2014-08-21 | 2017-04-19 | Ihc荷兰Ie公司 | Method of and system for installing foundation elements in an underwater ground formation |
| TWI797245B (en) * | 2018-01-30 | 2023-04-01 | 比利時商黛咪離岸Ｂｅ公司 | Device and method for providing a sizeable, slender object with a longitudinal direction into an underwater bottom |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016049749A1 (en) * | 2014-10-01 | 2016-04-07 | Apotex Inc. | Solid forms of mirabegron |
| NL2014069B1 (en) * | 2014-12-29 | 2016-10-12 | Ihc Holland Ie Bv | Noise mitigation system |
| JP6863757B2 (en) * | 2017-01-31 | 2021-04-21 | 旭化成建材株式会社 | Noise reduction device |
| CN108571019B (en) * | 2017-12-06 | 2023-11-24 | 湖南工程学院 | Scour prevention device for offshore wind power pile |
| JP6826266B2 (en) * | 2019-05-23 | 2021-02-03 | 中村物産有限会社 | Monopile foundation auxiliary structure for offshore wind turbines and monopile foundation auxiliary structure for offshore wind turbines |
| JP7284723B2 (en) * | 2020-01-31 | 2023-05-31 | 五洋建設株式会社 | Underwater noise suppression structure and suppression method |
| JP7245196B2 (en) * | 2020-05-29 | 2023-03-23 | 五洋建設株式会社 | Underwater noise suppression composition, manufacturing method thereof, underwater noise suppression structure and underwater noise suppression method using the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2237133B2 (en) * | 1972-07-28 | 1974-09-05 | Cordes, Hugo, Dipl.-Ing., 2000 Hamburg | Ram hammer with sound-absorbing jacket |
| US3839872A (en) * | 1972-05-08 | 1974-10-08 | Co Generale D Equipement Marit | Method of securing a large-diameter tube to a casing underwater |
| DE102006008095A1 (en) * | 2006-02-20 | 2007-08-23 | Menck Gmbh | Method and device for environmentally friendly propulsion under water |
| WO2010151121A2 (en) * | 2009-06-23 | 2010-12-29 | Ihc Holland Ie B.V. | Device and method for reducing noise |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1784396B1 (en) | 1968-08-03 | 1971-07-01 | Cordes Hugo Dipl Ing | Ram hammer with sound-absorbing jacket |
| JPS60159218A (en) | 1984-01-28 | 1985-08-20 | Ishikawajima Harima Heavy Ind Co Ltd | Sound-insulator for pile hammer |
| DE102004043128A1 (en) | 2004-09-03 | 2006-03-09 | Menck Gmbh | Post guiding device for ramming offshore windmill foundation, has nozzle assembly of blowing device, which can be lowered from upper standby position underneath frame into operating position at benthic division, is attached at frame |
| US9617702B2 (en) * | 2010-01-19 | 2017-04-11 | University Of Washington Through Its Center For Commercialization | Pile with sound abatement |
| EP2395156A1 (en) | 2010-06-08 | 2011-12-14 | IHC Holland IE B.V. | Method of and system for installing foundation elements in an underwater ground formation |
| WO2013026465A1 (en) * | 2011-08-19 | 2013-02-28 | Abb Research Ltd | A method and an apparatus for attenuating pressure pulses |
-
2012
- 2012-04-11 NL NL2008625A patent/NL2008625C2/en not_active IP Right Cessation
-
2013
- 2013-04-10 WO PCT/NL2013/050263 patent/WO2013154428A2/en active Application Filing
- 2013-04-10 JP JP2015505677A patent/JP2015513022A/en active Pending
- 2013-04-10 US US14/391,357 patent/US20150078836A1/en not_active Abandoned
- 2013-04-10 AU AU2013247474A patent/AU2013247474A1/en not_active Abandoned
- 2013-04-10 EP EP13720105.9A patent/EP2847389A2/en not_active Withdrawn
- 2013-04-10 CN CN201380023463.3A patent/CN104271843A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3839872A (en) * | 1972-05-08 | 1974-10-08 | Co Generale D Equipement Marit | Method of securing a large-diameter tube to a casing underwater |
| DE2237133B2 (en) * | 1972-07-28 | 1974-09-05 | Cordes, Hugo, Dipl.-Ing., 2000 Hamburg | Ram hammer with sound-absorbing jacket |
| DE102006008095A1 (en) * | 2006-02-20 | 2007-08-23 | Menck Gmbh | Method and device for environmentally friendly propulsion under water |
| WO2010151121A2 (en) * | 2009-06-23 | 2010-12-29 | Ihc Holland Ie B.V. | Device and method for reducing noise |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106574453A (en) * | 2014-08-21 | 2017-04-19 | Ihc荷兰Ie公司 | Method of and system for installing foundation elements in an underwater ground formation |
| TWI797245B (en) * | 2018-01-30 | 2023-04-01 | 比利時商黛咪離岸Ｂｅ公司 | Device and method for providing a sizeable, slender object with a longitudinal direction into an underwater bottom |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013154428A3 (en) | 2014-05-08 |
| US20150078836A1 (en) | 2015-03-19 |
| EP2847389A2 (en) | 2015-03-18 |
| AU2013247474A1 (en) | 2014-10-16 |
| JP2015513022A (en) | 2015-04-30 |
| NL2008625C2 (en) | 2013-10-15 |
| WO2013154428A2 (en) | 2013-10-17 |
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Application publication date: 20150107 |