EP2831342B1 - Procédé de manipulation d'un amortisseur de sons émis sous l'eau et dispositif pour réduire les sons dans l'eau - Google Patents

Procédé de manipulation d'un amortisseur de sons émis sous l'eau et dispositif pour réduire les sons dans l'eau Download PDF

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Publication number
EP2831342B1
EP2831342B1 EP13718097.2A EP13718097A EP2831342B1 EP 2831342 B1 EP2831342 B1 EP 2831342B1 EP 13718097 A EP13718097 A EP 13718097A EP 2831342 B1 EP2831342 B1 EP 2831342B1
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EP
European Patent Office
Prior art keywords
hydro
sound damper
seabed
hydro sound
transport housing
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EP13718097.2A
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German (de)
English (en)
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EP2831342A2 (fr
Inventor
Karl-Heinz Elmer
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Individual
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Individual
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Priority to PL13718097T priority Critical patent/PL2831342T3/pl
Publication of EP2831342A2 publication Critical patent/EP2831342A2/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/8209—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only sound absorbing devices
    • 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
    • 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
    • E02B—HYDRAULIC ENGINEERING
    • E02B2201/00—Devices, constructional details or methods of hydraulic engineering not otherwise provided for
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface

Definitions

  • the invention relates to a method for handling a hydro silencer in the area of an offshore construction site, in particular in the case of a pile to be introduced into the seabed, wherein a hydro silencer is positioned in the area of the offshore construction site before the start of the noise-emitting work.
  • the invention further relates to a device for reducing sound in the water and / or for handling at least one hydro silencer in the area of an offshore construction site, in particular in a pile to be introduced into the seabed, wherein the device has at least one hydro silencer.
  • Generic methods and hydro silencers are from the document WO 2011/046430 A1 known. Piles are introduced by drilling or ramming in the seabed to serve as a foundation for marine structures, especially for offshore wind turbines.
  • the foundations usually consist of one or more piles. With a foundation with only one pile one speaks of single pile or monopile. In the case of a foundation which comprises several piles, this is often introduced into the soil using templates known as templates. Such foundations are also called jacket foundations or tripod foundations.
  • the structure will have a three-diagonal strut construction with additional horizontal bracing Seabed height supported. At the bottom of the struts facing the seabed they are connected to the ground introduced piles.
  • the structure When building the jacket, the structure is anchored on a jacket structure called a jacket made of hollow sections.
  • the truss structure is anchored with the piles inserted into the seabed.
  • For a jacket foundation usually at least three piles are provided.
  • the piles are introduced into the seabed and temporally independent of the introduction of the piles at a later time the jacket or the tripod with connected to the piles.
  • a device for reducing waterborne sound and ground vibrations in pile foundations in the water is provided according to the invention.
  • Water sound is also called hydro sound.
  • a hydro silencer abbreviated as HSD known. This consists of a plurality of mutually spaced damping elements to reduce the hydro sound, which are evenly distributed on a support structure, for example, arranged on a network.
  • the support structure is placed around a source of sound at the site of use.
  • a sound source is, for example, a pile, which is introduced into the seabed, which can be done by ramming or drilling.
  • the invention has for its object to provide a way in which the transport of a device for the reduction of hydro sound over land and sea to the place of use and the arranging and the mountains at the site of such Device can be done quickly, easily and inexpensively, the device is also suitable for the largest possible protection against hydro-sound.
  • This object is achieved by a method according to the features of claim 1.
  • the further embodiment of the invention is shown in the dependent claim.
  • a method in which a hydrostatic muffler receiving transport housing in the vicinity of the seabed or in the vicinity of the water surface is positioned for the arrangement of the hydro silencer in the offshore construction site and then the hydro silencer from a first functional position of the transport housing out vertically or is spread parallel to the extension of the pile and / or horizontal or parallel to the geometry of the seabed in a second functional position. Since the hydro silencer by means of the device according to the invention at the site mechanically, hydraulically and / or pneumatically, preferably automatically, can be spread to its required level, the arrangement of the hydro silencer with little staff and time is possible. The same applies to the removal of the hydro silencer from the site.
  • the device according to the invention is preferably equipped with a hydro-silencer whose carrier structure is a network and whose sound-reducing elements are suitable foam elements and / or air-filled enveloping bodies for reducing hydrodynamic sound.
  • the hydro silencer is only partially or completely spread out of the first functional position out of the transport housing.
  • the hydro silencer is only partially deployed.
  • the propagation of the hydro silencer always takes place until it reaches a spread required for the reduction of noise.
  • a propagation can be omitted according to the invention. This reduces the complexity of the construction site equipment and the number of available types of devices.
  • the hydro silencer is in order arranged around the pile over the entire height of the water column, ie from the seabed to the water surface.
  • a hydro silencer can be arranged parallel to the seabed, wherein the hydro silencer from the sound source to a relevant for a sufficient reduction of the hydrophone distance is spread.
  • the required relevant distance depends, among other things, on the condition of the soil and the working energy during the introduction of the pile. Since the vibrations in the seabed and the sound in the water influence each other, can be minimized by the arrangement of the hydro silencer parallel to the seabed on the one hand the sound in the water and on the other hand, the vibration excitation of the seabed by the hydro sound or the propagation of shocks in the seabed can be reduced.
  • the hydro silencer is contracted from the second functional position and stored in the transport housing in the first functional position, with the last transport housing is removed from the offshore construction site. This makes it possible to remove the device completely and with little expenditure of time completely out of the water. Since the device is transferred back to its advantageous for transport compact structure after the completion of the sound-emitting activities, the device is immediately available for re-use at another site. At least the handling and storage on board a ship is possible without great effort.
  • a device which comprises a holding device on which a first, fixed end of the hydro silencer is held and in which a remote from the first end of the hydro silencer second, free end of the hydro silencer relative to the holding device movable, in particular to the holding device is positionable.
  • the device has at least one buoyant body and / or a ballast body, wherein the buoyant body and / or the ballast body is connected to the second, free end of the hydro silencer.
  • the first and the second end of the hydro silencer are designed to deploy and to contract the hydro silencer relative to each other movable.
  • the ballast body also called output body is designed such that its specific gravity is at least temporarily equal to or greater than the specific gravity of the ballast body surrounding water. For influencing the ballast body, for example, it can absorb or release water or air and thus change its specific weight. The same applies to the buoyancy body.
  • the buoyant body consists of one or more elastic chambers which are empty and / or filled with air and / or filled with water or emptied of these substances.
  • the buoyant body has a specific gravity which is equal to or less than the water surrounding the buoyant body.
  • the buoyant body essentially serves the unfolding of the hydro silencer against gravity, while the unfolding of the hydro silencer is achieved by gravity by means of the ballast body. Ballast body and buoyancy bodies act in opposite directions.
  • the device has a transport housing for storing and transporting at least one hydraulic muffler located in a contracted first functional position, wherein the transport housing is connected to the first, fixed end of the hydro silencer and / or to the second, free end of the hydro silencer.
  • the transport housing for water permeable, for example, designed as a basket.
  • the transport housing may consist of one or more containers.
  • the transport housing consists of two open on one side baskets, which are arranged opposite to each other with the open sides.
  • the hydro silencer is arranged in the one open-topped basket and the second slightly larger, downwardly open basket is arranged in the first functional position of the hydro silencer above the smaller basket.
  • the hydro silencer is thus completely enclosed in the first functional position and captive by the transport housing.
  • the two baskets of the transport housing are arranged away from one another, wherein the hydro silencer extends between the two baskets.
  • the two baskets are annular and provided for concentric arrangement on the pile and / or around its insertion tool around.
  • the smaller basket is first held by a lock in the larger basket. If the transport housing is positioned on the pile in the water, the lock can be opened.
  • the first end is also referred to as a fixed end, since this end of the hydro silencer is connected to a holding device which is held stationary during deployment and retrieval of the hydro silencer.
  • the second end of the hydro silencer is movable as a free end. The second end is connected for discharging or retrieving the hydro silencer with a ballast body and / or a buoyant body.
  • the device or the hydraulic muffler comprises alternatively or in addition to the ballast body numerous ballast devices. These are connected to the support structure and counteract the buoyancy of the support structure and / or the buoyancy of the damping elements.
  • the ballast devices are dimensioned adapted to the depth of use, so that their weight reduces the buoyancy of the hydro silencer or their weight is significantly greater than the buoyancy of the hydro silencer.
  • the ballast devices thus serve as ballast body lowering, in particular the second end of the hydro silencer.
  • ballast devices are distributed at least partially, in particular evenly, over the hydraulic muffler, the support structure and / or the net, the tensile stresses in the hydrodynamic muffler, the support structure and / or the net are significantly reduced compared to the solutions known from the prior art.
  • the immersion of the ballast body connected to the second end of the support structure or of the hydro silencer is ensured down to the seabed by means of the ballast body.
  • the opposite first end of the hydraulic muffler is held in this embodiment at or just above the water surface of a holding device.
  • the buoyancy of the hydro silencer and / or the holding device on the one hand and the weight of the ballast body and / or the sound-reducing elements on the other cause a tightening and positioning of the preferably reticulated support structure.
  • the holding device is connected to an insertion tool or to the upper end of the pile.
  • a holding device connected to the insertion tool and / or to the pile it is advantageous that it can be lifted together with the insertion tool or with the pile at the construction site, in particular by means of the hoist of pile and / or insertion tool can be lifted from the ship.
  • less technical equipment must be kept on the ship and the positioning of the device at the stake is facilitated.
  • the hydro silencer Before the hydro silencer is deployed, it is held in the transport housing, in particular by means of a lock. If the insertion tool is positioned on the pile in the water, the lock can be opened and / or the hydro silencer can be deployed.
  • the holding device is held by a positioning device.
  • the positioning device is independent of the hoist of the insertion tool.
  • the hoist of the insertion tool and / or the pile comprises, for example, a crane carried by a ship with at least one winch and at least one rope connecting the winch to the pile and / or the insertion tool.
  • the positioning device may have a separate crane on the same or another ship.
  • the positioning device comprises at least one winch independent of the hoisting gear of the loading device and a rope which is independent of the hoisting device of the loading device and which connects the independent winch to the holding device.
  • the positioning device is a holding means or a guide device for the pile, which is arranged, for example, on the same ship as the hoist of the introduction device, but independently of this can be used.
  • the support structure is preferably a network on which a plurality of sound-reducing elements are preferably arranged evenly distributed.
  • the sound reduction elements of the hydro silencer are spaced from each other. They are also referred to as damping body.
  • a development of the invention relates to a device having a cable which connects the first, fixed end with the second, free end of the hydro silencer.
  • the hydrodynamic damper in particular in an at least partially deployed second functional position, is freely movable on the cable.
  • the freedom of movement of the hydraulic muffler along the cable relates in particular to central areas between the first and second ends.
  • This embodiment is preferably used in a substantially vertically arranged hydro silencer, beispielswese a arranged around a pile hydro silencer.
  • the support structure is connected by means of rings or loops with the rope.
  • annular ballast devices are provided for the connection of the support structure and rope.
  • the hydro silencer is also exposed to ocean currents. So that they do not press the hydro silencer against the pile and this is there adjacent damaged or weakened in its function, it has proven to be practical that the device comprises spacers which are arranged between the pile and hydro silencer and connected to the hydro silencer.
  • the spacers are designed as a ring or ring segment. It makes sense that the spacers also serve as ballast facilities.
  • the ballast devices or spacers may be slidably mounted for guidance on the rope.
  • the transport housing is disposed on an insertion tool and / or the pile.
  • Another, alternative embodiment of the device provides that the transport housing is arranged on a template and / or a template is designed as a transport housing.
  • the first, fixed end of the hydro silencer is associated with the seabed.
  • the holding device is connected to the template, so that the device, in particular the hydro-silencer located in the first functional position, together with the template on the Construction site is positioned.
  • the hydro silencer can thus already be attached to or integrated in the production of the template on land and is then towed with the template to the site. As a result, the assembly effort is reduced at sea and the positioning of the hydro silencer over the known from the prior art solutions simplified.
  • the second end of the hydro silencer is attached to a buoyant body.
  • the buoyancy body is held in the first functional position of the hydraulic muffler on the transport housing.
  • the buoyant body is released from the transport housing and / or filled with a gas, preferably with air.
  • the buoyancy body then rises, while pulling the hydro silencer out of the transport housing and unfolds the hydro silencer.
  • a further development of this device has a collecting device for receiving the buoyant body.
  • the collecting device is preferably arranged in the region of the water surface. It can float on the water surface and / or be held by a positioning device.
  • the positioning device can be connected to a crane, the pile or the insertion tool. It is also possible that the collecting device is attached directly to the pile or the insertion tool.
  • the buoyant body is preferably designed as at least one hollow body, in particular as a hose.
  • the hollow body may be a steel tube which can be filled with compressed air.
  • the hollow body is annular according to a preferred embodiment, in particular formed around the pile.
  • the buoyant body may also consist of a plurality of ring segments, which are arranged around the pile enclosing each other.
  • the buoyant body connected to the support structure of the hydro silencer rises filled with air at the pile and pulls the hydro silencer upwards.
  • the hydro silencer envelops the pile from below to the buoyancy body.
  • the flooding of the buoyant body and thus of the hydraulic muffler ends when the buoyant body reaches the water surface or is absorbed by the collecting device.
  • the collecting device may also be arranged below the water surface, so that the buoyant body passes through only a portion of the water column.
  • This version may be at great depths are used.
  • a first hydro silencer may extend from the seabed to the collecting device, and a second hydro silencer may extend from the collecting device to the water surface.
  • the vertical combination of several hydro silencers is of course also possible with the embodiment of the device in which a ballast body is arranged at the second end of the hydro silencer.
  • the embodiment of the device with a buoyant body, which pulls the hydro silencer out of the transport housing and unfolds, is not necessarily limited to a template. It is also possible for a transport housing arranged on a holding device, for example on a single pile, to be lowered down to the seabed. For this purpose, the transport housing can be lowered and held by a positioning device. Then a buoyancy body of the device is activated, rises led on the ropes of the positioning and unfolds the hydro silencer.
  • a transport housing preferably releasably attached to a holding device of the device, lowered from the positioning of the stake.
  • the first end of the hydraulic muffler is connected to the holding device.
  • the second end of the hydro silencer is connected to a downwardly open transport housing. If the transport housing separated from the serving as a ballast body and closure of the transport housing holding device, the transport housing rises with the ascending hydro silencer up, the hydro silencer is pulled down from the transport housing.
  • the device comprises a pulling device for lowering and catching up of the second, free end of the hydraulic muffler, wherein the pulling device comprises a drive unit, in particular a winch, which is preferably arranged on the holding device, and a traction means, preferably comprises a cable, which is connected on the one hand to the drive unit and on the other hand to the second, free end of the hydraulic muffler.
  • a traction device comprising an underwater winch, the buoyancy body and thus Also to keep the hydraulic muffler in the transport housing against the buoyancy forces of the buoyant body. Only by the operation of the traction device of the buoyancy increases or is overtaken again. The same applies with opposite effective directions for a device with a ballast body.
  • the ropes and nets of the device consist of a textile material, for example of polyethylene fibers, in particular fibers of an ultra high molecular weight polyethylene such as Dyneema.
  • a hydro silencer parallel to the seabed so mainly spread horizontally.
  • the device has a spreading device, which is attached to the holding device and / or on the template.
  • the horizontal arrangement of the hydro silencer contributes significantly to the reduction of hydro sound.
  • the sound emitted from the seabed into the water is partially reflected by the water masses and reintroduced into the soil.
  • the sound re-registered in the soil is passed on from the ground as ground vibration and also emitted back to the water as sound. Sound propagates not only exclusively through the water or over the seabed, but also through the interaction between water and the seabed.
  • a horizontal or parallel to the seabed arranged hydro silencer acts as a parallel damping layer.
  • the intensity of the reflection of sound and thus the subsequent re-entry of the sound into the ground are also reduced. This minimizes the total water sound.
  • the device has at least one decoupling device which is arranged on the underside of the holding device and / or the transport housing and / or the template, in particular between the seabed and the underside.
  • This makes it possible to minimize the transmission of ground vibrations to the parts of the device that contact the seabed so that the emission of sound into the water by these parts is reduced.
  • the decoupling of the seabed contacting parts of the device, in particular the mass-rich parts such as the holding device, the ballast body or the template reduces the interaction of the sound transmission between the seabed and water and thus the hydro sound.
  • the elastic decoupling device preferably consists at least of a polymer and / or a spiral spring and / or a foam body and / or a gas cushion.
  • the device according to at least one of claims 3 to 12 for carrying out the method according to at least one of claims 1 and 2 is provided.
  • the method serves to handle a hydraulic muffler 1 in the area of an offshore construction site, in particular in the case of a pile 11 to be introduced into the seabed.
  • the hydrodynamic muffler 1 Before the noise-emitting work on the offshore construction site begins, the hydrodynamic muffler 1 must be positioned in the area of the offshore construction site.
  • a transport housing 5 In the transport housing 5, the hydro silencer 1 is stored and transported in a first functional position. If the transport housing 5 is positioned as intended, the hydraulic muffler 1 is spread out of the transport housing 5 vertically, parallel to the extension of the pile 11 and / or horizontally, parallel to the geometry of the seabed 14 into a second functional position. After completion of the noise-emitting work on the offshore construction site, the hydro silencer 1 is pulled together from the second functional position and stored in the transport housing 5 in the first functional position. Finally, the transport housing 5 is removed from the offshore construction site.
  • the device 2 comprises a hydraulic muffler 1, the opposite and the water surface 3 and the seabed 14 associated ends associated with at least one buoyant body 17 and / or at least one ballast body 13.
  • the water surface 3 associated with the end of the hydro silencer 1 is connected to a floating device 9 and a buoyant body 17, while the opposite, the seabed 14 facing the end of the hydro silencer 1 is connected to a ballast body 13.
  • the ends of the hydraulic muffler 1 can be moved relative to each other. If the distance between the ends increases, the hydraulic muffler 1 spreads. If the distance decreases, the hydraulic muffler 1 is collapsed.
  • FIG. 1 shows an example in which a ballast body 13 is lowered 20 by a floating device 9 towards the seabed 14.
  • the hydraulic muffler 1 is spread.
  • the ballast device 13 can be lowered 20 by means of a pulling device 32, not shown here, and ascend 21 by means of this and / or regulated buoyancy bodies 17 which are only filled with air when needed.
  • FIG. 2 shows a device 2, in which the hydro silencer 1 buoyant body 17 has at one end, which ascend for the propagation of the hydro silencer 1 from the seabed 14. The other end of the hydro silencer 1 is attached to a ballast body 13.
  • the ballast body 13 and the buoyant body 17 consist of chambers in the water and / or gas, preferably air can be filled or removed as needed.
  • the lowering 20 of the hydro silencer 1 allows temporary shipping traffic on the hydro silencer 1, for example, at longer work stoppages.
  • Chambers which are used as ballast body 13 and / or buoyancy body 17 are in a variant also between the two ends, in particular evenly distributed on the support structure 16.
  • a device 2 in which the transport housing 5 is held with the folded hydro muffler 1 by a crane 18.
  • the crane 18 is arranged on a ship 23 as part of a positioning device 7, also called a lifting device, of the hydrodynamic damper 1.
  • the crane 18 is at the same time also part of a hoist 6 of an insertion tool 4 in the first embodiment shown.
  • the insertion tool 4 for example a ramming tool, serves to introduce the pile 11 into the seabed 14.
  • the positioning device 7 receives the transport housing 5.
  • the transport housing 5 is arranged around the insertion tool 4, which is held by a cable of the hoist 6.
  • the positioning device 7 and the hoist 6 are independent of each other. They include separate cables and independent winches.
  • the positioning device 7 comprises a traverse 8.
  • the positioning device 7 may also comprise a plurality of cables.
  • the transport housing 5 is struck by means of at least three, better four ropes on the cross member 8.
  • the transport housing 5 is positioned in the vicinity, in particular above the head 10 of the pile 11, but at least at or above the water surface 3 prior to the introduction of the pile 11.
  • the head 10 may be above and below the water surface 3 during the introduction of the pile 11 into the seabed 14.
  • the transport housing 5 is held in position during the pile work or lowered to the water surface 3.
  • For swimming on the water surface 3 may be on the transport housing 5 in FIG. 8 be shown swimming device 9 arranged.
  • ballast body 13 Before the beginning of the introduction of the pile 11 in the seabed 14 and or the holding device 15 is a ballast body 13 by means of a pulling device 32 on the Seabed 14 lowered. With the ballast body 13, the support structure 16 of the hydro silencer 1 from the transport housing 5 out along the pile 11 to the seabed 14 is spread. The support structure 16 of the hydro silencer 1 is movably mounted at regular intervals on the live cables 37.
  • the hydro silencer 1 After introduction of the pile 11, the hydro silencer 1 is recovered. To recover the ballast body 13 is pulled up again to the transport housing 5, wherein the hydraulic muffler 1 is arranged in the transport housing 5.
  • FIG. 8 shows a second embodiment of the invention, in which the device 2 is equipped with a floating device 9.
  • the floating device 9 is connected to the transport housing 5.
  • a positioning device 7 as in the FIGS. 4 and 5 shown used.
  • the positioning device 7 is no longer required and can be released from the transport housing 5. Since the transport housing 5 encloses the pile 11, it can not expel.
  • the lowering of ballast body 13 and hydro silencer 1 before the beginning of the introduction and the recovery of the hydro silencer 1 is carried out as already described above by means of a arranged on the transport housing 5 traction device 32nd
  • the Figures 9 and 10 show a third embodiment of the invention.
  • the support structure 16 of the hydro silencer 1 is connected to a buoyant body 17 and a ballast device 13.
  • the buoyant body 17 and / or the ballast body 13 each consist of a hose 22 to which the support structure 16 of the hydro silencer 1 and weights 19 are attached as additional ballast body 13.
  • the tube 22 is filled with air.
  • the air is discharged from the tube 22 and / or the tube 22 is filled with water.
  • hose 22 has the advantage that the hydrostatic muffler 1 can be positioned flush with the seabed 14.
  • the ballast device 13 applies to obstacles 24, such as rocks on.
  • the section wise, as in FIG. 9 illustrated, or complete lowering 20 of the buoyancy body 17 makes it possible to allow at least temporarily in a spreading hydro silencer 1 crossing shipping traffic 25.
  • the weights 19 and the water-filled tube 22 of the ballast 13 lie on the seabed 14.
  • the tube 22 can be filled with only so much air and / or water that the ballast device 13 floats a few decimeters above the seabed 14 and so does not drag on flow movements on this.
  • the weights 19 may be a chain.
  • FIGS. 11 to 13 show a fourth embodiment of the invention.
  • the device 2 according to the invention is fastened to the insertion tool 4 and comprises a transport housing 5, in which the hydrodynamic damper 1 is arranged in particular for transport to and from the place of use.
  • the delivery tool 4 is suspended on a hoist 6.
  • the transport housing 5 is arranged around the insertion tool 4 around and consists of two nested, annular baskets 26, 28.
  • the smaller, internally arranged basket 28 includes the hydro-muffler 1.
  • the larger, externally arranged basket 26 is open at the bottom and fixed by means of a holding device 15 to the insertion tool 4, a hydraulic pile hammer.
  • the hydro silencer 1 comprises at least one network as a support structure 16 and disposed thereon a plurality of sound reduction elements 31 for reducing the hydro sound.
  • the upper end of the support structure 16 is attached to the larger basket 26.
  • the smaller basket 28 is connected to a positioning device 7 or to a pulling device 32.
  • the larger basket 26 is similar to the embodiment of FIGS. 3 to 7 held by means of the positioning device 7, in which case the smaller basket 28 is connected for lowering 20 with a pulling device 32 or a second hoist.
  • the larger basket 26 may be secured by means of the holding device 15, but also with a pile guide arranged in the vicinity of the water surface 3 or on the erection vessel.
  • the pulling device 32 is preferably an electric or hydraulic underwater winch.
  • the first basket 28 Before deploying the hydro silencer 1, the first basket 28 is first held by a lock in the second basket 26. If the insertion tool 4 is positioned on the pile 11 in the water 12, the lock can be opened.
  • FIG. 12 It is shown how the pile 11 is held and guided by a template 29 positioned on the seabed 14.
  • the insertion tool 4 can both above the water surface 3, as in FIG. 12 represented as well as below the water surface 3, as in FIG. 13 represented, be placed on the pile 11.
  • the first basket 28 For discharging the hydro silencer 1, the first basket 28 by means of the actuation of the positioning device 7 or the pulling device 32 to the seabed 14th or lowered onto the template 29.
  • ballast devices 13 are attached to the support structure.
  • the ballast devices 13 pull the hydro silencer 1 with the first basket 28 down and at the same time act as a spacer to the post 11.
  • the ballast devices 13 are mounted for guidance on the ropes 37 of the positioning device 7 and the traction device 32.
  • the Figures 14 and 15 show a fifth embodiment of the invention.
  • the device 2 according to the invention has a transport housing 5, which comprises an upwardly open, annular basket 28, in which the hydraulic muffler 1 is accommodated.
  • the basket 28 may be lowered to the seabed 14 or attached to a template 29 positioned at the seabed 14.
  • the weight forces of the above-described ballast devices 13, the spacing means, the support structure 16 and / or an unillustrated lock or pulling device 32 hold the hydro silencer 1 in the basket 28.
  • the device 2 comprises an annular buoyant body 17, which is attached to the support structure 16 of the hydro silencer 1.
  • the buoyant body 17 is an annular continuous tube or composed of several individual segments. Filled with air, the buoyant body 17 presses against the water surface 3.
  • the buoyant body 17 can only be filled with air for the ascent 21 or permanently filled with air.
  • the riser 17 is held by a locking device on the transport housing 5.
  • the ascending 21 buoyancy body 17 pulls the hydro silencer 1 along the pile 11 upwards.
  • the hydrostatic muffler 1 envelops the pile 11 from below to the buoyancy body 17.
  • the rising 21 of the buoyant body 17 and thus of the hydro silencer 1 ends when the buoyant body 17 reaches the water surface 3 or is received by a collecting device 35 of the device 2.
  • the collecting device 35 is preferably fastened to the insertion tool 4.
  • FIGS. 11 to 15 Illustrated embodiments are not limited to use with a template 29.
  • the Figures 16 and 17 show the embodiments in a monopile.
  • the FIGS. 18 and 19 show a template 29 without hydro silencer in a section of a plan view and a side view.
  • the Figures 20 and 21 show a sixth embodiment of the invention.
  • the device 2 has a hydrostatic muffler 1, which is spread parallel to the seabed 14.
  • the support structure 16 is pulled apart by a spreading device 36, for example a scissor device 27.
  • the propagation device 36 can be operated pneumatically and / or hydraulically.
  • the device 2 has ballast bodies 13 or buoyancy bodies 17 that can be filled with water and / or air.
  • the propagation device 36 is fastened together with the support structure 16 to a template 29 as shown.
  • the hydro silencer 1 preferably has a round cross section at the bottom 14 of the sea. In the case of a template 29 for a plurality of piles 11, the cross section may also be angular.
  • the template 29 may also be occupied with a hydrostatic muffler 1 beyond.
  • FIGS. 22 to 26 It is shown that in the area of the pile 11 and in particular on all other structures and devices on the seabed 14, such as in the FIGS. 18 and 19 shown template 29, hydraulic muffler 1 are arranged.
  • the Template 29 is coated on both its upper side and on its underside and in the interior of the net-like hydro silencer 1 sound-reducing.
  • the effective cover of the seabed 14 may be achieved by means of foldable 34 or push-out 33 spreading devices 36 disposed on the sides of the template 29.
  • the propagation devices 36 also called surface elements, are covered with hydro silencers 1.
  • hydro silencers 1 such FIG. 24 shows are enlarged by means of horizontal and / or vertical scissor devices 27, especially around the piles 11 around.
  • the scissors devices 27 and the spreading devices 36 are preferably arranged on the sides of the template 29.
  • the Figures 17 and 25 show a further embodiment of the invention.
  • the device 2 has in this embodiment of the invention on the basket 28, on the ballast body 13 and on the holding device 15 and / or on the template 29 more decoupling 30.
  • the decoupling devices 30 are between the bottom of the basket 28 and the seabed 14 and between the underside of the template 29 and the seabed 14 are arranged.
  • the decoupling devices 30 shield the basket 28 or the template 29 against ground vibrations.
  • the decoupling devices 30 comprise springs, damping elements and / or air-filled enveloping bodies.
  • the decoupling devices 30 reduce the transmission of vibrations, vibrations or ground vibrations to the device 2 and / or the template 29 and thus their transmission to the water 12 and the formation of hydro-sound.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Earth Drilling (AREA)
  • Foundations (AREA)
  • Revetment (AREA)

Claims (12)

  1. Procédé de modification d'un amortisseur (1) d'ondes hydrauliques sur un site offshore, en particulier lors de l'enfoncement d'un tuyau (11) dans le plancher marin, dans lequel un amortisseur (1) d'ondes hydrauliques est placé au niveau du site Offshore avant le début des travaux émettant du bruit, l'amortisseur (1) d'ondes hydrauliques présentant une structure de support (16) sur laquelle des éléments (31) diminuant le bruit sont fixés à distance mutuelle, caractérisé en ce que pour agencer l'amortisseur (1) d'ondes hydrauliques, un boîtier (5) de transport qui reprend l'amortisseur (1) d'ondes hydrauliques est placé à proximité du plancher marin (14) ou à proximité de la surface (3) de l'eau, l'amortisseur (1) d'ondes hydrauliques étant ensuite déployé depuis une première position fonctionnelle hors du boîtier de transport (5) verticalement ou parallèlement à l'extension du tuyau (11) et/ou horizontalement ou parallèlement à la géométrie du plancher marin (14) jusque dans une deuxième position fonctionnelle, le boîtier de transport (5) étant perméable à l'eau.
  2. Procédé de modification d'un amortisseur (1) d'ondes hydrauliques selon la revendication 1, caractérisé en ce qu'après que les travaux émettant du bruit sont terminés, l'amortisseur (1) d'ondes hydrauliques est rétracté depuis la deuxième position fonctionnelle et posé dans la première position fonctionnelle dans le boîtier de transport (5), le boîtier de transport (5) étant ensuite retiré du site de construction Offshore.
  3. Ensemble (2) diminuant le bruit dans l'eau et pour la manipulation d'au moins un amortisseur (1) d'ondes hydrauliques sur un site de construction offshore, en particulier en particulier lors de l'enfoncement d'un tuyau (11) dans le plancher marin (14), l'ensemble (2) présentant au moins un amortisseur (1) d'ondes hydrauliques doté d'une structure de support (16) sur laquelle des éléments (31) diminuant le bruit sont fixés à distance mutuelle,
    caractérisé en ce que
    l'ensemble (2) comprend un dispositif de maintien (15) sur lequel est maintenue une première extrémité de l'amortisseur (1) d'ondes hydrauliques et une deuxième extrémité de l'amortisseur (1) d'ondes hydrauliques située à distance de la première extrémité de l'amortisseur (1) d'ondes hydrauliques peut être positionné par rapport au dispositif de maintien (15), en particulier à distance du dispositif de maintien (15), l'ensemble (2) présentant un boîtier de transport (5) qui conserve et transporte au moins un amortisseur (1) d'ondes hydrauliques situé dans une première position fonctionnelle rétractée, le boîtier de transport (5) étant relié à la première extrémité de l'amortisseur (1) d'ondes hydrauliques et/ou la deuxième extrémité de l'amortisseur (1) d'ondes hydrauliques, le boîtier de transport (5) étant perméable à l'eau.
  4. Ensemble (2) selon la revendication 3, caractérisé en ce que l'ensemble (2) présente au moins un corps de flottation (17) et/ou un corps de ballast (13), le corps de flottation (17) et/ou le corps de ballast (13) étant reliés au moins à la deuxième extrémité et à savoir l'extrémité libre, de l'amortisseur (1) d'ondes hydrauliques.
  5. Ensemble (2) selon au moins l'une des revendications 3 et 4, caractérisé en ce que l'ensemble (2) présente un câble (37) qui relie la première extrémité à la deuxième extrémité de l'amortisseur (1) d'ondes hydrauliques et sur lequel l'amortisseur (1) d'ondes hydrauliques, en particulier dans une deuxième position fonctionnelle au moins en partie déployée, est disposé de manière à pouvoir pour le reste se déplacer librement.
  6. Ensemble (2) selon au moins l'une des revendications 3 à 5, caractérisé en ce que le boîtier de transport (5) est disposé sur un gabarit (29) et/ou sur un outil d'insertion (4) et/ou en ce que le gabarit (29) est configuré comme boîtier de transport (5).
  7. Ensemble (2) selon au moins l'une des revendications 3 à 6, caractérisé en ce que la première extrémité de l'amortisseur (1) d'ondes hydrauliques est associée à la surface (3) de l'eau, le dispositif de retenue (15) étant relié à l'outil d'insertion (4) ou étant maintenu par un dispositif de positionnement (7) de l'ensemble (2) indépendamment d'un organe de levage (6) de l'outil d'insertion (4).
  8. Ensemble (2) selon au moins l'une des revendications 3 à 7, caractérisé en ce que la première extrémité de l'amortisseur (1) d'ondes hydrauliques est associée au plancher marin (14), le dispositif de retenue (15) étant relié au gabarit (29).
  9. Ensemble (2) selon au moins l'une des revendications 3 à 8, caractérisé en ce que l'ensemble (2) présentant un ensemble de reprise (35) qui reprend le corps de flottation (17) de l'ensemble (2), l'ensemble de reprise (35) étant disposé de préférence au niveau de la surface (3) de l'eau.
  10. Ensemble (2) selon au moins l'une des revendications 3 à 9, caractérisé en ce que l'ensemble (2) comporte un dispositif de traction (32) qui abaisse (20) et relève la deuxième extrémité de l'amortisseur (1) d'ondes hydrauliques, l'ensemble de traction (32) présentant un ensemble d'entraînement qui est disposé de préférence sur le dispositif de retenue (15) et comporte un moyen de traction qui est relié d'un part à l'ensemble d'entraînement et d'autre part à la deuxième extrémité de l'amortisseur (1) d'ondes hydrauliques.
  11. Ensemble (2) selon au moins l'une des revendications 3 à 10, caractérisé en ce que l'ensemble (2) présente un dispositif de déploiement (36) fixé sur le dispositif de retenue (15) et/ou sur le gabarit (29) et au moyen duquel l'amortisseur (1) d'ondes hydrauliques est déployé horizontalement ou parallèlement au plancher marin (14).
  12. Ensemble (2) selon au moins l'une des revendications 3 à 11, caractérisé en ce que l'ensemble (2) présente au moins un dispositif de désaccouplement (30) disposé sur le côté inférieur des parties de l'ensemble (2) en contact avec le plancher marin (14), en particulier sur le dispositif de retenue (15) et/ou le boîtier de transfert (5) et/ou le corps de ballast (13) et/ou le gabarit (29).
EP13718097.2A 2012-03-26 2013-03-13 Procédé de manipulation d'un amortisseur de sons émis sous l'eau et dispositif pour réduire les sons dans l'eau Active EP2831342B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13718097T PL2831342T3 (pl) 2012-03-26 2013-03-13 Sposób obsługi podwodnego izolatora akustycznego i urządzenie do redukcji dźwięku w wodzie

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102012102591 2012-03-26
DE102013101279 2013-02-08
PCT/DE2013/100096 WO2013102459A2 (fr) 2012-03-26 2013-03-13 Procédé de manipulation d'un amortisseur de sons émis sous l'eau et dispositif pour réduire les sons dans l'eau

Publications (2)

Publication Number Publication Date
EP2831342A2 EP2831342A2 (fr) 2015-02-04
EP2831342B1 true EP2831342B1 (fr) 2018-05-16

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EP13718097.2A Active EP2831342B1 (fr) 2012-03-26 2013-03-13 Procédé de manipulation d'un amortisseur de sons émis sous l'eau et dispositif pour réduire les sons dans l'eau

Country Status (11)

Country Link
US (1) US9334647B2 (fr)
EP (1) EP2831342B1 (fr)
AU (1) AU2013207241B2 (fr)
CA (1) CA2868436C (fr)
DE (2) DE112013001673A5 (fr)
DK (1) DK2831342T3 (fr)
ES (1) ES2681496T3 (fr)
MX (1) MX361839B (fr)
PL (1) PL2831342T3 (fr)
PT (1) PT2831342T (fr)
WO (1) WO2013102459A2 (fr)

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DK2402511T3 (en) * 2010-07-02 2016-06-06 Ihc Holland Ie Bv Template for and method of installation of a plurality of foundation members in an underwater land formation.
DK3049587T3 (da) 2013-09-24 2022-02-14 Preston Wilson Undervands-støjdæmpningspanel og resonatorstruktur
DE102013110835A1 (de) * 2013-09-30 2015-04-02 Menck Gmbh Aufhängungsvorrichtung, deren Verwendung und Verfahren zum Eintreiben von Rammgut
WO2015095192A2 (fr) * 2013-12-17 2015-06-25 Adbm Corp. Système de réduction de bruit sous-marin utilisant un ensemble résonateur à extrémité ouverte et appareil de déploiement
AU2015203983B2 (en) * 2014-01-06 2019-11-14 Board Of Regents, The University Of Texas System Underwater noise abatement apparatus and deployment system
EP3092636B1 (fr) 2014-01-06 2020-07-15 Board of Regents, The University of Texas System Appareil de réduction des bruits sous marins et système de déploiement
CA2945683C (fr) 2014-04-25 2019-01-29 Karl-Heinz Elmer Dispositif servant a reduire les ondes sonores aquatiques
EP2955278B1 (fr) * 2014-06-13 2016-07-13 Quiet Pile Limited Appareil de suppression du bruit
DE102014113676A1 (de) 2014-09-22 2015-12-17 Karl-Heinz ELMER Hydroschalldämpfer und Verfahren zur Handhabung eines Hydroschalldämpfers
NL2014069B1 (en) * 2014-12-29 2016-10-12 Ihc Holland Ie Bv Noise mitigation system
TWI625446B (zh) * 2015-06-18 2018-06-01 德克薩斯大學體系董事會 用於抑制來自液體中的源的聲能的共振器、共振器陣列和雜訊消減系統
DE102017117552B4 (de) * 2017-08-02 2023-06-29 Karl-Heinz ELMER Wasserfahrzeug und Druckluftverteileinrichtung
CN110952547B (zh) * 2019-11-25 2022-04-12 河海大学 一种吸力桶式水下打桩降噪装置及其施工方法
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Also Published As

Publication number Publication date
DE112013001673A5 (de) 2015-02-26
AU2013207241A1 (en) 2014-10-09
AU2013207241B2 (en) 2016-09-29
US20150078833A1 (en) 2015-03-19
DK2831342T3 (en) 2018-08-27
MX2014011457A (es) 2014-11-21
US9334647B2 (en) 2016-05-10
EP2831342A2 (fr) 2015-02-04
WO2013102459A3 (fr) 2013-09-12
CA2868436A1 (fr) 2013-07-11
PT2831342T (pt) 2018-07-30
MX361839B (es) 2018-12-18
PL2831342T3 (pl) 2018-10-31
DE202013011742U1 (de) 2014-04-29
ES2681496T3 (es) 2018-09-13
WO2013102459A2 (fr) 2013-07-11
CA2868436C (fr) 2017-03-14

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