EP3626888A1 - Procédé et dispositif d'isolation acoustique - Google Patents

Procédé et dispositif d'isolation acoustique Download PDF

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Publication number
EP3626888A1
EP3626888A1 EP19196197.8A EP19196197A EP3626888A1 EP 3626888 A1 EP3626888 A1 EP 3626888A1 EP 19196197 A EP19196197 A EP 19196197A EP 3626888 A1 EP3626888 A1 EP 3626888A1
Authority
EP
European Patent Office
Prior art keywords
line
wall
drum
compressed air
soundproofing device
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.)
Pending
Application number
EP19196197.8A
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German (de)
English (en)
Inventor
Bernhard Weyres
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47683596&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3626888(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP3626888A1 publication Critical patent/EP3626888A1/fr
Pending legal-status Critical Current

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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
    • E02D13/04—Guide devices; Guide frames
    • 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

Definitions

  • the invention relates to a soundproofing device for pile driving under water, comprising at least one line which can be fixed on the seabed and which has a plurality of bores, and at least one compressor with which compressed air can be introduced into the line so that it can exit the bores. Furthermore, the invention relates to a method for reducing the transmission of sound in a liquid, comprising the following steps: applying a line to the sea floor, which surrounds the sound source in a ring and is provided with bores, and introducing compressed air into the line so that it passes through the holes emerge.
  • Devices and methods of this type can be used for soundproofing when cylindrical piles are introduced into the seabed.
  • Such piles can be used to anchor monopile, tripod, tripile or jacket constructions on which structures such as wind measuring masts, wind turbines, oil rigs or substations in the offshore area can be based.
  • the foundation structures mentioned can largely be prefabricated on land, so that they can be installed quickly and easily on site in often difficult weather conditions.
  • the disadvantage is that for the Heavy pile drivers are required, which bring a large sound level of more than 130 dB into the environment, for example. Such noise levels can be harmful to marine fauna.
  • the invention is therefore based on the object of specifying a device and a method for ramming work under water, which combines a good sound insulation effect with little outlay on equipment, so that the sound insulation measures can be carried out quickly and easily.
  • the object is achieved by a soundproofing device according to claim 1 and a method according to claim 11.
  • the invention it is proposed to allow air bubbles to rise from a line in a manner known per se for soundproofing during the piling work, which surrounds the ramming site in an approximately ring shape. Due to the density inhomogeneity between the rising air bubbles and the surrounding sea water and due to the compressibility of the air bubbles, the energy of the sound waves can be at least partially dissipated, so that a lower sound intensity prevails outside the bubble curtain.
  • the line can be deployed so that it completely surrounds the ramming point in a ring. If a reduction is only required in certain directions, the line can of course only be laid out in these directions or the ring around the ramming point may not be completely closed.
  • the compressed air emerging from the line is provided by at least one compressor, which is usually mounted on the water surface on a ship or a jack-up barge.
  • the compressed ambient air is then fed to the line via a supply hose and leaves the line via a plurality of bores which are introduced along the longitudinal extent of the line.
  • the total weight of the line is increased to such an extent that it remains lying on the sea floor without further anchoring or additional external weights. Since the weighting body is attached to the inside of the line, the outer shape of the line remains unchanged, so that it can continue to be removed and / or inserted in a simple manner without external weights hindering the process.
  • Anchoring by divers can also be done, but is usually not necessary. At least the number of anchorages can be reduced or the distance between the Anchoring points are increased because the cable remains on the sea floor due to its high weight.
  • the weighting body may contain a metal or an alloy in some embodiments of the invention.
  • the weighting body can contain or consist of a mineral material, for example concrete.
  • the weighting body or bodies can be introduced directly into the line during production, for example by extrusion.
  • weighting bodies can be glued, screwed or riveted in the line at certain intervals.
  • several weighting bodies can be connected to one another with a wire rope or a chain, which prevent slipping along the longitudinal extent of the line.
  • at least one adequately dimensioned chain with a plurality of chain links can be used as the sole weighting body. Such a weighting body can simply be inserted into the line. Due to the mobility of the chain links, the weighting body does not or only insignificantly affects the winding and unwinding of the line.
  • the line can have at least one longitudinal section which has a hose with a wall, the wall containing at least one layer of wire mesh.
  • multiple layers of wire mesh may be present in the wall.
  • the number of layers of the wire mesh can be between 1 and 8, between 2 and 7 or between 3 and 5.
  • the wire mesh in the wall of the hose increases its tensile strength, so that mechanical damage or an intolerable change in cross-section or length when uncoiling the hose is avoided.
  • the wire mesh can increase the elasticity of the Limit the hose so that it maintains its desired cross-section even at high overpressure. The device can thus be operated with greater reliability and can be removed and introduced particularly safely.
  • the wire mesh and / or the chain or the at least one weighting body can contain or consist of stainless steel.
  • a stainless steel is to be understood as an alloy steel which is corrosion-resistant or at least corrosion-resistant.
  • steels with the material numbers 1.4401, 1.4571 or 1.4462 can be used. The use of these stainless steels extends the service life of the proposed device if seawater comes into contact with the weighting body and / or the wire mesh through the air outlet openings or damage to the wall.
  • the soundproofing device further includes at least one winding device with at least one drum, on which the line can be wound.
  • the drum can have a drive, for example an electric or hydraulic drive.
  • the drum may be configured to receive more than about 900 m, more than about 1000 m or more than about 1100 m of the line.
  • the ship may be sufficient to roll the line onto the drum while the Ship essentially drives without power or with low engine power.
  • the ship is led through the line like on an anchor chain and follows the line backwards while the line is being wound onto the drum.
  • a line with increased tensile strength such as the proposed embodiment with at least one wire mesh in the wall, has proven its worth.
  • the weighting body can also be used to absorb tensile forces if it contains or consists of a chain or a wire rope.
  • several lines can be deployed simultaneously, each of which surrounds the sound source in a ring.
  • a plurality of bubble curtains arranged approximately concentrically are formed. Since a single bubble curtain from a single line brings about a reduction in sound by approximately 12 dB to approximately 20 dB, a correspondingly greater reduction can be achieved by several bubble curtains. If several lines are deployed at the same time, this improved noise protection can be installed with a single trip of the ship around the ramming point.
  • the number of lines deployed simultaneously can be from about 2 to about 6.
  • multiple lines can be deployed simultaneously by unwinding each line from an associated winder that unwinds the lines at different speeds. If the winding devices each have drums with the same diameter, the rotational speed can be selected differently. According to the invention it was recognized that the lines come to lie spaced on the seabed. For example, the speed in some embodiments According to the invention are selected so that the lines are arranged essentially concentrically, the outer line being laid with a radius which is approximately 10 m to approximately 30 m larger than the radius of the inner line.
  • the drum of the winding device can have an internal air feed so that compressed air can be applied to the line during unwinding and / or during hauling. This additionally mechanically stabilizes the line so that it does not experience impermissibly small bend radii that could damage the line. Furthermore, the ingress of sea water and sand is avoided, which could lead to the blocking of individual holes in the wall of the line.
  • Figure 1 shows a hose 11 which can be used as a line 10 in a soundproofing device 1 according to the invention.
  • the hose 11 can form at least one longitudinal section in the line 10.
  • the line 10 can be formed entirely by the proposed hose.
  • the hose 11 has a wall 111, which is based on Figure 4 is explained in more detail.
  • the wall 111 delimits the clear width 116 of the hose 11.
  • the wall 111 can be made of a rubber or a polymer.
  • the wall 111 may contain or consist of polyvinyl chloride or EPDM.
  • the wall 111 can contain at least one wire mesh 112, 113 or 114.
  • Figure 4 an embodiment with three approximately concentrically arranged layers of wire mesh is shown. These can be inserted into the wall 111 during the extrusion or vulcanization of the hose 12.
  • the number of wire meshes 112, 113 and 114 can be greater or less and can be between approximately 1 and approximately 7.
  • a wire mesh can also be omitted.
  • the wall 111 has a plurality of bores 105, one of which has a cross section in FIG Figure 4 is shown.
  • the bores 105 can have a diameter of approximately 0.5 to approximately 5 mm.
  • the bores 105 can be arranged in the wall 111 at a distance of approximately 100 cm to approximately 10 cm.
  • the weighting body 101 On the inside 115 of the wall 111 there is at least one weighting body which compensates for the buoyancy of the hose 111 to such an extent that it remains on the sea floor, even if the remaining clear width 116 of the hose 11 is filled with compressed air.
  • a chain with a plurality of chain links 102 is used as the weighting body 101 in the illustrated embodiment.
  • the hose 11 or the line 10 remains flexible, so that it can be rolled up and unrolled easily and thus laid out on the sea floor in a particularly simple manner and removed there again. Even if the chain 101 fills a large part of the clear width 116, the compressed air can still flow between the links 102 through the line 10.
  • the chain 101 like the wire mesh 112, 113 and 114, can further increase the tensile strength of the line 11, so that damage when the line 10 is inserted and removed is avoided.
  • the wire mesh 112, 113 and 114 as well as the chain 101 or another weighting body can be made of corrosion-resistant or corrosion-resistant steel in some embodiments of the invention. As a result, the service life of the line 10 is extended if seawater enters the line through damaged areas or through the holes 105 during operation of the device.
  • FIG. 2 shows a connecting element 40 with which different longitudinal sections of a hose 11 can be assembled to form a single line 10.
  • the connecting element 40 has a sleeve 41.
  • the sleeve 41 consists of a cylindrical base body, on the outside of which a plurality of ribs 45 are arranged.
  • the outer diameter of the cylindrical base body 41 corresponds approximately to the inside width 116 of the hose 11. In this way, the hose 11 can accommodate the cylindrical base body 41, the ribs 45 coming to rest on the inner wall 115.
  • the joint can be made into a Half-shell clamp 43 are inserted.
  • the clamp 43 is subsequently closed via holes 44 with a screw connection 47.
  • the clamp 43 can have recesses or ribs 46 which are shaped or arranged to complement the ribs 45. In this way, a positive connection of the hose 11 to the cylindrical base body 41 is achieved, so that high tensile forces can be transmitted in the direction of the longitudinal extension of the hose 11 without the hose 11 slipping out of the connecting element 40.
  • Figure 5 shows an application example of the soundproofing method or the soundproofing device proposed according to the invention.
  • Figure 5 shows the tower of a wind turbine 3, which is anchored to the sea floor 2 by means of a tripod 30.
  • the water depth at the installation site of the wind energy installation 3 can be, for example, approximately 10 m to approximately 45 m or approximately 25 to approximately 40 m.
  • the tripod 30 has mounting sleeves 31 at its base points.
  • the mounting sleeves 31 are provided to receive a ram pile 32. If the tripod 30 is securely connected to the ramming piles 32 and the ramming piles 33 are securely anchored in the seabed 2, the wind energy installation 3 stands reliably on the seabed 2.
  • the ram piles 32 can have a diameter of approximately 2 m to approximately 5 m and a length from about 20 m to about 40 m.
  • the ram piles 32 are driven in with a ram bear (not shown), whereby high-intensity sound emissions 21 occur, which propagate as structure-borne sound in the sea water.
  • the line 10 is rolled out according to the invention by a winding device 15 which is mounted on a ship 11 and on the basis of the Figure 3 is described in more detail.
  • the ship 11 After the ship 11 has circled the construction site once and has rolled out the line 10, it lies on the sea floor 2 due to its own weight.
  • the line 10 can already be pressurized with compressed air from a compressor 18 during the application. Due to the weighting body in the interior of the line 10, it nevertheless sinks to the sea floor due to its own weight and remains there.
  • line 10 is pressurized with compressed air by at least one compressor 18 and line 181.
  • the compressed air 180 leaves the line 10 through the openings 105 and rises to the surface of the sea in the form of bubbles.
  • the sound emission 21 of high intensity is attenuated when it passes through this bubble curtain 180, so that a lower sound intensity 22 is perceptible outside the area delimited by the line 10.
  • the line 10 can be made up again on board the ship 11 with the aid of the winding device 15 and is subsequently available for the next use.
  • the ship 11 can drive without power or with little machine power, while the line 10 is being caught up with the winding device 15.
  • the ship 11 follows the course of the line 10 as when catching up an anchor chain and kink loads on the line 10 or the wrapping of the tripod 30 with the line 10 is avoided.
  • the winding device 15 has a frame 151.
  • the frame 151 can have the outer dimensions of a conventional container, for example the dimensions of a freight container according to ISO 668. In this way, the winding device 15 can be transported and stored in a space-saving manner.
  • the frame 151 has the standard dimensions of a freight container, it can also have the connecting elements 153 of such a container, so that a plurality of winding devices 15 such as containers can be stacked on top of one another or mixed stacks of winding devices 15 and containers can be formed. This allows space-saving and inexpensive transportation on the ship 11.
  • a drum 152 is rotatably mounted in the frame 151.
  • the drum 152 can be designed to receive more than 500 m, more than 900 m, more than 1000 m or more than 1100 m of the hose 11. Since the hose 11 is made of a flexible rubber or plastic and has a smooth outside due to the inner weighting body, the hose 11 can be stored on the drum 151 in a particularly space-saving manner.
  • the drum 152 can be set in rotation with a hydraulic drive, not shown, so that the hose 11 is unwound while the ship 19 circles the area provided for the noise protection measures. If the drive of the drum 152 is dimensioned sufficiently strong, the ship 19 can be reversed on the hose 11 to catch up the hose 11 are pulled, with the hose 11 wound on the drum 152.
  • a compressed air connection 154 can be seen.
  • the line 154 of a compressor 18, which acts on the line 11 with compressed air, can be connected to the connection 154. Due to the compressed air connection of the hose 11 located inside the drum, the hose 11 can already be pressurized with compressed air while it is being unrolled.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Revetment (AREA)
  • Earth Drilling (AREA)
  • Electric Cable Installation (AREA)
  • Building Environments (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
EP19196197.8A 2012-02-13 2013-02-01 Procédé et dispositif d'isolation acoustique Pending EP3626888A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102012202132.9A DE102012202132B4 (de) 2012-02-13 2012-02-13 Verfahren und Vorrichtung zum Schallschutz
EP13153573.4A EP2631368B1 (fr) 2012-02-13 2013-02-01 Procédé et dispositif destinés à l'isolation acoustique
EP17166530.0A EP3214226B1 (fr) 2012-02-13 2013-02-01 Procédé et dispositif destinés à l'isolation acoustique

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP17166530.0A Division EP3214226B1 (fr) 2012-02-13 2013-02-01 Procédé et dispositif destinés à l'isolation acoustique
EP13153573.4A Division EP2631368B1 (fr) 2012-02-13 2013-02-01 Procédé et dispositif destinés à l'isolation acoustique

Publications (1)

Publication Number Publication Date
EP3626888A1 true EP3626888A1 (fr) 2020-03-25

Family

ID=47683596

Family Applications (3)

Application Number Title Priority Date Filing Date
EP19196197.8A Pending EP3626888A1 (fr) 2012-02-13 2013-02-01 Procédé et dispositif d'isolation acoustique
EP13153573.4A Active EP2631368B1 (fr) 2012-02-13 2013-02-01 Procédé et dispositif destinés à l'isolation acoustique
EP17166530.0A Active EP3214226B1 (fr) 2012-02-13 2013-02-01 Procédé et dispositif destinés à l'isolation acoustique

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP13153573.4A Active EP2631368B1 (fr) 2012-02-13 2013-02-01 Procédé et dispositif destinés à l'isolation acoustique
EP17166530.0A Active EP3214226B1 (fr) 2012-02-13 2013-02-01 Procédé et dispositif destinés à l'isolation acoustique

Country Status (4)

Country Link
EP (3) EP3626888A1 (fr)
DE (3) DE102012202132B4 (fr)
DK (3) DK2631368T3 (fr)
PL (2) PL2631368T3 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014005397U1 (de) 2014-07-03 2014-09-25 Heinz-Werner Paul Vorrichtung zum Schallschutz für Rammarbeiten zum Einrammen von Pfählen in den Meeresboden
DE102015206584A1 (de) * 2015-04-13 2016-10-13 Bernhard Weyres Verfahren und Vorrichtung zum Schallschutz
DE202015105024U1 (de) 2015-09-22 2015-09-28 Hydrotechnik Lübeck Gmbh Vorrichtung zur Erzeugung eines Blasenschleiers
DE102016203005A1 (de) 2016-02-25 2017-08-31 Bernhard Weyres Schallschutzvorrichtung, Verfahren zum Schallschutz und Schlauch
DE202016102407U1 (de) 2016-05-04 2016-06-29 Naki Celik Vorrichtung zum Schallschutz bei Rammarbeiten in Gewässern
DE202016104155U1 (de) 2016-07-28 2016-08-09 Mare Solutions GmbH Vorrichtung zum Schallschutz
DE102016220813A1 (de) 2016-10-24 2018-04-26 Contitech Schlauch Gmbh Länglicher Hohlkörper, insbesondere Schlauch
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
DE102021108670A1 (de) 2021-04-07 2022-10-13 Hydrotechnik Lübeck Gmbh Vorrichtung zur Erzeugung eines Blasenschleiers
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
GB953833A (en) * 1961-12-29 1964-04-02 Inst Francais Du Petrole Flexible tube
DE8417513U1 (de) * 1984-10-25 SpanSet Secutex Sicherheitstechnik GmbH, 5132 Übach-Palenberg Kettenschutzschlauch
DE10029560A1 (de) * 1999-07-01 2001-01-04 Phoenix Ag Hydraulik-Formschlauch und Verfahren zu seiner Herstellung
DE102004043128A1 (de) 2004-09-03 2006-03-09 Menck Gmbh Pfahlführungsvorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU419360B2 (en) 1968-11-13 1971-11-29 Wormald Brothers Industries Limited Improvements in hose reel assemblies
DE3532511A1 (de) 1985-09-12 1986-09-11 Hugo Brennenstuhl GmbH & Co KG, 7400 Tübingen Insbesondere tragbare trommel zur aufnahme einer biegbaren medium- bzw. energieleitung wie druckluftschlauch, wasserschlauch, elektrokabel od.dgl.
DK577489D0 (da) 1989-11-17 1989-11-17 Beeco Marine Consult A S Flydespaerring

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8417513U1 (de) * 1984-10-25 SpanSet Secutex Sicherheitstechnik GmbH, 5132 Übach-Palenberg Kettenschutzschlauch
GB953833A (en) * 1961-12-29 1964-04-02 Inst Francais Du Petrole Flexible tube
DE10029560A1 (de) * 1999-07-01 2001-01-04 Phoenix Ag Hydraulik-Formschlauch und Verfahren zu seiner Herstellung
DE102004043128A1 (de) 2004-09-03 2006-03-09 Menck Gmbh Pfahlführungsvorrichtung

Also Published As

Publication number Publication date
DE202013012109U1 (de) 2015-04-22
EP2631368B1 (fr) 2017-04-19
DK201500125U1 (en) 2015-09-25
EP2631368A2 (fr) 2013-08-28
PL2631368T3 (pl) 2017-09-29
DE202013100564U1 (de) 2013-02-15
EP3214226A1 (fr) 2017-09-06
DE102012202132A1 (de) 2013-08-14
DK201500125Y4 (en) 2016-06-10
PL3214226T3 (pl) 2020-03-31
DE102012202132B4 (de) 2023-12-28
DK2631368T3 (en) 2017-07-24
DK3214226T3 (da) 2019-12-16
EP2631368A3 (fr) 2016-03-09
EP3214226B1 (fr) 2019-09-11

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