EP2963186A1 - Dispositif destiné à l'isolation acoustique pour des travaux de battage de pieux au fond de la mer - Google Patents

Dispositif destiné à l'isolation acoustique pour des travaux de battage de pieux au fond de la mer Download PDF

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Publication number
EP2963186A1
EP2963186A1 EP15158447.1A EP15158447A EP2963186A1 EP 2963186 A1 EP2963186 A1 EP 2963186A1 EP 15158447 A EP15158447 A EP 15158447A EP 2963186 A1 EP2963186 A1 EP 2963186A1
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EP
European Patent Office
Prior art keywords
rings
pile
textile fabric
ring
seabed
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
Application number
EP15158447.1A
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German (de)
English (en)
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EP2963186B1 (fr
Inventor
Solutions GmbH Mare
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Mare Solutions GmbH
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Mare Solutions GmbH
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Publication date
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Application filed by Mare Solutions GmbH filed Critical Mare Solutions GmbH
Publication of EP2963186A1 publication Critical patent/EP2963186A1/fr
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Publication of EP2963186B1 publication Critical patent/EP2963186B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/005—Sound absorbing accessories in piling
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers

Definitions

  • the present invention relates to a device for sound insulation for pile driving for driving a pile into the seabed with a structure surrounding the pile, wherein a Biasenschleier is provided between the structure and the pile.
  • a generic device is from the Scriptures DE 10 2010 048 474 A1 known.
  • the bladder veil serves the purpose of interrupting the transmission of sound through the water and thereby avoid transmission of the sound pressure generated by the ramming impacts on animals living in the sea water.
  • a bubble curtain must already have a certain density and air quantity. In order to ensure a sufficient quality of the bubble curtain, considerable technical effort must be made.
  • the structure consists of a package of rings, wherein the rings are connected to each other by a textile fabric, and the rings and the textile fabric form a tube which surrounds the pole like a tube.
  • the rings are much easier to handle than a steel tube. While the steel pipe must have a length corresponding to the water depth at the pile-in location, the rings must technically be of such size that the respective sections of textile fabric can be attached to them.
  • the rings occupy little space and are easily transportable. They can be moved by a small crane or even only by persons.
  • the textile fabric is neither very heavy nor bulky.
  • the rings can be brought together with the textile fabric as a compact package by means of a small crane into the sea water, aligned there, spent in the desired position, lowered and then unfolded in the final desired tubular position of use.
  • the combination of the rings with the textile fabric creates a kind of cage, by which the currents of the seawater in the space between the structure and the outer surface of the pile are at least reduced.
  • the textile fabric must have a suitable density and strength. However, it does not have to be completely watertight against seawater flowing through it. Residual flows are possible in the interspace without a bubble veil drifting out of the structure. Even by only a reduced ocean current in this space is a drifting of the bubble curtain rather altogether avoided. If the Bfasenschleier is held sufficiently reliable in the immediate vicinity of the pile, the sound waves generated during ramming are correspondingly weaker transmitted from the surrounding water. With the device according to the invention, therefore, an effective sound insulation can be achieved with a reduced effort.
  • the formation of the tube shape of the structure can be produced in various ways.
  • the weight of the ballast weights may be compensated by floats disposed at the top of the structure which provide such buoyant forces that the remainder of the structure may be suspended freely hanging down and retained in the tubular form by the opposing buoyancy forces and ballast weights.
  • the ballast weights on the seabed and to provide in the structure buoyancy bodies that create a buoyant force by which the structure remains held against the ballast weight in a tubular form.
  • the structure may also be held with tension cables fixed in fixed anchored pontoons or elsewhere.
  • the number of rings, their size and the dimensions of the intervening textile fabric are determined by the respective application requirements.
  • the rings shape the structure as a primary function. Already for the rings must have a minimum size.
  • the rings can be used to create buoyancy forces that maintain the structure in the tubular form, for example by making the rings as a hollow body of a lightweight material such as plastic or rubber. The magnitude of the buoyancy forces in turn depends on the specific gravity of the fabric and the area attached to the fabric by the fabric.
  • These frame requirements provide a suitable size for both a ring and the type and dimensions of the textile fabric used.
  • the specific properties of the textile fabric used in each case such as the specific weight, the mesh size, the flow permeability, etc., have an influence on the respectively suitable dimensions for the textile fabric and the dimensions of the rings.
  • individual, several or all rings of a structure are inflatable. Due to the inflatability of the rings, the transport volume is variable, the rings are easier to move and position, and during assembly of the structure, the rings can be brought into the desired shape and position by simply inflating. When dismantling, the gas is simply released from the inflatable rings.
  • ballast tanks are arranged at the lower end of the structure, which are connected to the package of rings.
  • the ballast tanks reduce the susceptibility of the structure to ocean currents.
  • the ballast tanks also counteract the buoyancy from the rings.
  • the structure can better remain in its installed position. By counteracting the buoyancy forces generated by the rings, ballast tanks create opposing forces in the structure that hold the structure in its tubular shape along the pile.
  • the ballast tank or tanks are formed as a ring having a valve for flooding with seawater and a gas connection for connecting a compressor.
  • a valve for flooding with seawater To lower a ballast tank on the seabed, it is sufficient to open the valve for flooding and to let seawater flow into the ballast tank, which can also be assisted by a pump or done alone.
  • the ballast tank increases the dead weight of the structure, and even with troubled ocean currents, it can not easily be driven off and washed up.
  • additional weights such as concrete blocks and / or lead weights.
  • the gas connection is provided, with which the ballast tank can be quickly and easily blown out again when the ballast tank is to be taken from the sea.
  • a ring is connected in each case with an adjacent ring on the textile fabric.
  • the respective gap between adjacent rings is bridged with the textile fabric.
  • the weight of the overall construction and the cost of materials with the corresponding production costs remains as low as possible.
  • loops and / or shackles can be arranged on the rings over which the textile fabric easily connected to the rings, but if necessary, can be separated again.
  • a ring has such a volume that it is capable of carrying the dead weight and the textile fabric fastened to this ring when filled with gas with the buoyancy force generated thereby.
  • the buoyancy means that the ring and the attached textile fabric can float at least in the seawater without sinking back to the seabed.
  • the buoyancy force is greater than the weight and weight of the textile fabric, for example, to compensate for any gas losses in the ring and the weight of attaching to the rings and the fabric tissue biomass such as algae, shells and the like, without thereby on the seabed decrease.
  • the rings have a gas connection for connecting a compressor.
  • a compressor By connecting to a compressor, it is possible to permanently obtain a desired gas filling in the rings. It is also possible to operate the compressor only when the pile work is carried out, since only then the soundproofing function of the structure is needed.
  • the rings can be inflated as often as desired or kept permanently in a desired inflated state, and the air pumped into the inflated rings can also be vented back through the gas port or through other holes.
  • spacers are arranged on the inner sides of rings.
  • a circumferential distance of a structure is required by at least one m to be eingurammenden pile into the seabed.
  • the surrounding structure will require a diameter of 8 meters to protect the bubble curtain.
  • the distance of the rings to the outer surface of the pile must remain at least approximately on the circumference, so that the bubble curtain can ascend undisturbed there. This can be difficult without special aids, if, for example, the seawater flows from one direction against the pile, as this alone can pass through the tidal currents.
  • the spacers serve the purpose of holding the rings circumferentially at a desired distance to the stake circumference.
  • the spacers hold a ring connected to the spacers at a distance from the surface of the pile that corresponds to the amount by which the spacer protrudes inwardly from the rings into the space.
  • the spacers are pressure pads which protrude beyond the inside of the rings into the intermediate space.
  • the pressure pads can be designed inflatable.
  • the pressure pads can be designed so that their diameter is sufficient to bridge the distance between the inside of the rings and the outer peripheral surface of the pile.
  • the pile can still slide past the pressure pad in the case of pile collisions because the pressure pads only rest against the outer surface of the pile but are not firmly connected to it. The structure thus remains independent of movements of the pile, without adaptation work would be required.
  • At least two pressure pads are arranged opposite one another on a ring, self-centering of the ring via the pressure pads is possible.
  • At three Pressure pads should preferably be arranged at an angle of 120 ° to each other in order to ensure a good centering.
  • the pressure pad can be pumped through the rings with and supplied via a compressor port continuously with new compressed air, but it is also possible to provide the pressure pad with its own gas supply, for example, to more accurately affect the pressure conditions in the pressure pad and the shape of the hose and to be able to adjust.
  • the structure of the rings and the textile fabric on an open and closable division in the vertical direction Dividing it makes it easier to lay the rings with the textile fabric around a pile from the water.
  • the division is opened, the rings with the textile fabric are drawn around the pole in a ring shape, in order then to close the division again and conventionally build up the structure by ballasting and inflating the rings.
  • the procedure is reversed.
  • a ring and a section of a textile fabric form a module which can be connected via the textile fabric to an adjacent ring via fastening points applied there.
  • a structure can be arbitrarily set to a desired length by adding or removing modules be shortened or extended.
  • a structure can be adapted in each case to the depth of the sea at a place of installation of a pile.
  • one or more rings on its inner side facing the pile evenly distributed holes through which compressed air can escape from the ring in the space between the structure and the outer surface of the pile.
  • the holes can be used to form bubble blisters over the rings.
  • the device further comprises one or more second rings, wherein the second rings have a diameter which is smaller than the diameter of the rings, but greater than the diameter of the pile and wherein each of the second rings each by means of a textile structure is connected to one of the rings.
  • the textile structure is formed permeable to air.
  • any conventional sheet-like textile structure such as a woven, knitted, knitted, braided, non-woven and the like, can be used.
  • the textile structure has a higher air permeability than the textile fabric, which is arranged between the rings to form a tube. In this way it is ensured that the gas introduced to form the bubble curtain does not leave the formed tube but rises through the textile structure to the surface and so on of the pile forms the sound-proof bubble veil.
  • the second rings can be formed in the same way as the rings, as long as the second rings have a smaller diameter than the rings. It can also be provided that the second rings are made of any other material, such as steel, rubber, composite, plastic, etc.
  • the object is also achieved by a method for sound insulation for pile driving for driving a pile into the seabed, comprising: a) providing a device according to one of the preceding claims on the seabed; b) filling the rings (4) with a gas; c) forming a bubble curtain between the pile (2) and the hose formed by the gas-filled rings (4) and the textile fabric (12); and d) driving the pile (2) into the seabed.
  • the object is likewise achieved by a method for sound insulation for pile driving operations for driving a pile (2) into the seabed, comprising the steps: a) providing a device according to one of Claims 1 to 13 on the sea surface; b) lowering the lower end of the structure to the seabed; c) forming a bubble curtain between the pile (2) and the hose formed by the rings (4) and the textile fabric (12); d) driving the pile (2) into the seabed.
  • the device according to the invention can preferably be used in two different methods.
  • the device is provided on the seabed (around the pole).
  • provision may in particular be made for the device to comprise a plurality of ballast tanks or other weights at the lower end of the structure.
  • a gas preferably Air
  • a buoyancy of the rings is achieved, whereby these rings ascend towards the water surface and form together with the textile fabric a hose.
  • a bubble curtain is formed between the tube and the pile to be rammed into the seabed.
  • the device according to the invention is provided at the sea surface (around the pile). It is preferably provided that the device is connected to a float.
  • the type of float is hereby limited in any way.
  • the float is a ship, a boat, a buoy, a swimming tire, etc.
  • the SchwimMap is formed by the uppermost ring of the package of rings, which forms the structure of the invention.
  • it can be particularly preferably provided that one or more ballast tanks or other weights which have a greater density than water are arranged at the lower end of the structure.
  • a pile 2 is shown, which is to be rammed into a seabed.
  • a package 6 with five rings 4, which lie in the position shown on each other.
  • the lowermost ring 4 is connected to a connection line 8, via which compressed air generated, for example, by a compressor on the water surface can be conveyed into the lowermost ring 4 4.
  • the lowermost ring 4 may be connected to the remaining rings 4 via gas pressure lines, so that the gas delivered by a compressor via the connection line 8 is distributed into all the rings 4.
  • each ring 4 may be connected to its own connection line 8 with a compressor.
  • the lowest ring 4 can form a ballast ring.
  • the lowermost ring 4 also has holes 10, via which a gas supplied can enter the intermediate space 14 between the rings 4 and the outer surface of the pile 2. Due to gravity, an emerging from the holes 10 gas would be on the Along the outer circumference of the pile 2 along and in the gap through the structure against disturbances caused by water currents up to the water surface bubbled.
  • Fig. 2 is the package 6 off Fig. 1 shown in a state in which the uppermost ring 4 has been raised so far that the textile fabric 12 located between the uppermost ring 4 and the two-highest ring 4 has developed into a circulating path.
  • the textile fabric 12 forms a type of tube, by which the gap 14 is at least partially shielded from surrounding water currents, so that at the bottom ring 4 through the holes 10 or elsewhere escaping gas bubbles undisturbed and without unwanted drifting on the outer circumference of the pile 2 within of the gap 14 can ascend.
  • Fig. 3 For example, the package 6 is shown in a fully extended position so that the rings 4 and the textile fabrics 12 between the rings 4 provide a structure which protects the bubble curtain in the gap 14 from drifting around the pile 2.
  • the textile fabric 12 is shown very roughly in the exemplary embodiment for reasons of simplicity of drawing. In order to achieve an effective protection for the bubble curtain, it is recommended to make the mesh structure of the textile fabric finer than it corresponds to the graphic representation.
  • a bubble curtain may surround the pile 2 from its full underwater height from bottom to top. If the water level fluctuates, for example due to tides, the uppermost ring 4, which floats on the water level, can adapt to the changing sea levels by floating upwards.
  • Fig. 4 is the structure out Fig. 3 shown, but with the peculiarity that in the gap 14 between the inner circumference of the rings 4 and the outer surface the pile 2 is still a number of pressure pad 16 are introduced.
  • the pressure pads 16 serve the purpose that the rings 4 center around the outer periphery of the pile 2.
  • Fig. 5 is a top view of the in Fig. 4 shown structure with the pressure pad 16 shown. From the top view, it can be clearly seen that the evenly spaced pressure pads 16 ensure even centering of the rings 4 and the textile fabrics 12 and thus the entire structure on the outer circumference of the pile 2. The pressure pads 16 also buffer water flow on the structure acting flow pressure on the pile 2, which thereby acts stabilizing on the structure.
  • a side view of a preferred embodiment is shown. Shown is the side view of a ring 4, which is connected to a textile fabric 12. With the ring 4, a second ring 18 is further connected. The compound is produced by means of a textile structure 20. The second ring 18 has a smaller diameter than the ring 4, so that the fabric 20 covers part of the gap between the pile 2 (not shown) and the ring 4 in the vertical direction. The second ring 18 has an inner diameter which is larger than the outer diameter of the pile 2.

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  • 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)
  • Revetment (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Earth Drilling (AREA)
EP15158447.1A 2014-07-03 2015-03-10 Dispositif destiné à l'isolation acoustique pour des travaux de battage de pieux au fond de la mer Revoked EP2963186B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202014005397.9U DE202014005397U1 (de) 2014-07-03 2014-07-03 Vorrichtung zum Schallschutz für Rammarbeiten zum Einrammen von Pfählen in den Meeresboden

Publications (2)

Publication Number Publication Date
EP2963186A1 true EP2963186A1 (fr) 2016-01-06
EP2963186B1 EP2963186B1 (fr) 2016-06-29

Family

ID=51727695

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15158447.1A Revoked EP2963186B1 (fr) 2014-07-03 2015-03-10 Dispositif destiné à l'isolation acoustique pour des travaux de battage de pieux au fond de la mer

Country Status (5)

Country Link
EP (1) EP2963186B1 (fr)
DE (1) DE202014005397U1 (fr)
DK (1) DK2963186T3 (fr)
ES (1) ES2593529T3 (fr)
PL (1) PL2963186T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3276084A1 (fr) 2016-07-28 2018-01-31 ContiTech Schlauch GmbH Réduction de bruits
CN107834770A (zh) * 2017-11-27 2018-03-23 广东工业大学 一种海上风力发电机及其桩基础减震系统
CN113463634A (zh) * 2021-09-03 2021-10-01 南通中舟风电工程技术有限公司 一种海洋液压打桩锤的消音装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017104457A1 (de) 2017-03-03 2018-09-06 Arnold Jäger Holding GmbH Vorrichtung zur Erzeugung eines Blasenschleiers in Gewässern
EP3404147A1 (fr) * 2017-05-19 2018-11-21 Bernhard Rust Système de tuyau
DE102017117552B4 (de) * 2017-08-02 2023-06-29 Karl-Heinz ELMER Wasserfahrzeug und Druckluftverteileinrichtung
EP3828344A1 (fr) * 2019-11-28 2021-06-02 Ørsted Wind Power A/S Appareil destiné à être utilisé avec une fondation, fondation et procédé d'installation d'une fondation
CN113170750B (zh) * 2021-04-01 2022-06-21 中交海洋建设开发有限公司 半潜式深远海养殖网箱自动挡流网系统
EP4141172B1 (fr) 2021-08-23 2023-09-27 Arnold Jäger Holding GmbH Agencement de tuyau permettant de créer une barrière à bulles dans les eaux
EP4141173B1 (fr) 2021-08-23 2023-09-27 Arnold Jäger Holding GmbH Agencement de tuyau permettant de créer une barrière à bulles dans les eaux

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004043128A1 (de) * 2004-09-03 2006-03-09 Menck Gmbh Pfahlführungsvorrichtung
WO2011046430A1 (fr) * 2009-10-16 2011-04-21 Ihc Holland Ie B.V. Ensemble de sections de tube télescopiques
EP2441892A2 (fr) * 2010-10-14 2012-04-18 Bernhard Weyres Dispositif et procédé d'introduction de pieux dans le sol marin
DE102012202132A1 (de) 2012-02-13 2013-08-14 Bernhard Weyres Verfahren und Vorrichtung zum Schallschutz

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004043128A1 (de) * 2004-09-03 2006-03-09 Menck Gmbh Pfahlführungsvorrichtung
WO2011046430A1 (fr) * 2009-10-16 2011-04-21 Ihc Holland Ie B.V. Ensemble de sections de tube télescopiques
EP2441892A2 (fr) * 2010-10-14 2012-04-18 Bernhard Weyres Dispositif et procédé d'introduction de pieux dans le sol marin
DE102010048474A1 (de) 2010-10-14 2012-04-19 Bernhard Weyres Vorrichtung und Verfahren zum Einbringen von Pfählen in den Meeresboden
DE102012202132A1 (de) 2012-02-13 2013-08-14 Bernhard Weyres Verfahren und Vorrichtung zum Schallschutz

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3276084A1 (fr) 2016-07-28 2018-01-31 ContiTech Schlauch GmbH Réduction de bruits
CN107834770A (zh) * 2017-11-27 2018-03-23 广东工业大学 一种海上风力发电机及其桩基础减震系统
CN113463634A (zh) * 2021-09-03 2021-10-01 南通中舟风电工程技术有限公司 一种海洋液压打桩锤的消音装置
CN113463634B (zh) * 2021-09-03 2021-11-26 南通中舟风电工程技术有限公司 一种海洋液压打桩锤的消音装置

Also Published As

Publication number Publication date
EP2963186B1 (fr) 2016-06-29
PL2963186T3 (pl) 2016-12-30
ES2593529T3 (es) 2016-12-09
DE202014005397U1 (de) 2014-09-25
DK2963186T3 (da) 2016-10-17

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