EP3276084B1 - Réduction de bruits - Google Patents

Réduction de bruits Download PDF

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Publication number
EP3276084B1
EP3276084B1 EP17179280.7A EP17179280A EP3276084B1 EP 3276084 B1 EP3276084 B1 EP 3276084B1 EP 17179280 A EP17179280 A EP 17179280A EP 3276084 B1 EP3276084 B1 EP 3276084B1
Authority
EP
European Patent Office
Prior art keywords
noise insulation
insulation according
hose
layer
line
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.)
Active
Application number
EP17179280.7A
Other languages
German (de)
English (en)
Other versions
EP3276084A1 (fr
Inventor
Jürgen UHE
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.)
ContiTech Schlauch GmbH
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ContiTech Schlauch GmbH
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Publication date
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Publication of EP3276084A1 publication Critical patent/EP3276084A1/fr
Application granted granted Critical
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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
    • 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 present invention relates to a device for sound insulation for underwater piling, wherein the device at least one fixable on the seabed line having a plurality of bores, and at least one compressor, with which compressed air is introduced into the conduit, so that these from the Holes can emerge, wherein the conduit has at least one longitudinal portion in the form of a tube.
  • bubble veils are nowadays placed around the pile to be excavated, which serve the purpose of interrupting the transmission of sound through the water and thereby transmission of the sound pressure generated by the pile collisions on living in the sea water To avoid animals.
  • Devices for forming such a bubble curtain are, for example, from DE 10 2010 048 474 A1 or the EP 2 963 186 B1 known.
  • a generic device is in the DE 10 2012 202 132 A1 and also in the EP 2 746 462 A2 described.
  • Such a weighting body may be, for example, a steel chain arranged in the pipe.
  • a steel chain considerably restricts the clear width of such a conduit and makes it difficult to introduce the compressed air into the conduit, which can result in the formation of an insufficient and / or unstable bubble curtain for sound reduction.
  • the tube has a layered wall structure comprising, from the inside to the outside, an inner layer, a first reinforcement layer, an intermediate layer, a second reinforcement layer and an outer layer, wherein at least one weighting body is embedded in the intermediate layer.
  • weighting bodies are arranged substantially uniformly distributed over the circumference of the hose or weighting bodies are arranged only in a partial region of the circumference, preferably in a resting on the seabed area.
  • the weighting body may, for example, be in the form of a plate, a rod or a ball.
  • weighting bodies of different shapes can be present in order to optimally meet the requirements of the line during or introducing, for example, the winding and unwinding of a drum to be adapted.
  • the holes are provided in the majority in an upper region of the hose, opposite the resting on the seabed area.
  • At least one spring wire spiral be embedded in the intermediate layer and arranged so as to extend spirally in a longitudinal direction of the tube.
  • the spring wire spiral serves as a kink protection when winding or unwinding the line, but holds on the other hand, the shape of the hose at positive or negative pressure stable.
  • weighting bodies are arranged between spiral turns of the spring wire spiral.
  • the reinforcement layers comprise a textile fabric layer and / or a metal reinforcement.
  • the textile fabric layer comprises cotton fibers and / or plastic fibers.
  • the metal reinforcement is preferably a wire mesh.
  • the weighting body may be made of a material selected from the group consisting of metal, preferably precious metal, metal alloy and mineral material, preferably concrete.
  • the inner layer, the intermediate layer and the outer layer may be made of a styrene-butadiene rubber material.
  • a winding device with a drum on which the line can be wound up, may be included.
  • the line has a length of 20-50 m.
  • a plurality of lines are coupled to one another via a coupling means.
  • the tube has an inner diameter of 50-300 mm, preferably 50-200 mm, and a wall thickness of 10-20 mm.
  • the present invention also provided compressor provides the introduced into the line compressed air and is usually mounted on the water surface on a ship or the like. Compressed ambient air is then supplied to the conduit via a supply hose and exits the conduit via a plurality of bores which are mounted along the length of the conduit.
  • the line used has a high robustness, buckling strength and dimensional stability and, moreover, compressed air can be introduced into the line in a simple and reliable manner in order to produce a stable bubble curtain.
  • the weighting body is embedded in the wall of the tube, the outer shape of the tube remains unchanged, so that it can be easily removed and / or introduced, as is well known in the art.
  • the line can easily be wound up or unwound on a winding device with a drum.
  • the pipe lies safely on the seabed and shows a negative buoyancy.
  • the line of the device according to the invention for sound insulation can be produced in conventional methods, for example by extrusion, wherein the weighting elements and spring wire spiral can be embedded directly into the intermediate layer of the layered wall structure of the hose during manufacture.
  • the material of the inner layer is preferably made of smooth and nonporous styrene-butadiene rubber and resistant to oily air.
  • the outer layer preferably also consists of styrene-butadiene rubber, which is resistant to aging as well as operating and seawater and shows abrasion resistance.
  • the reinforcement layer serves to stabilize the tubular structure and preferably comprises a textile fabric layer.
  • Individual conduits may be assembled into a single long conduit by means of fasteners known in the art, for example using a sleeve.
  • a sleeve For example, if the length of a single pipe is 20-50 m, a plurality of pipes may be assembled into a total length of, for example, 1000 m and more, to be laid around the pile in a ring shape or the like.
  • a securing element in this line system.
  • This may for example be a rope, preferably with high tensile force, which runs through all lines. In the event of an accident or damage to the piping system, this could be obtained via the cable, which can be connected to an application device.
  • a securing element may be, for example, a thin wire rope or a rope made of plastic fibers with high tensile force.
  • FIG. 1 shows a cross section along a longitudinal axis through a hose wall of a conduit of the device according to the invention for sound insulation.
  • a hose with a layered wall structure for forming a conduit for use in a device according to the invention for sound insulation for pile driving is disclosed in US Pat FIG. 1 shown in a section in the longitudinal direction of a hose.
  • the hose comprises an inner layer 1, a first reinforcement layer 2, an intermediate layer 3, a second reinforcement layer 4 and an outer layer 5.
  • weighting bodies 6 are arranged between turns of a spring wire spiral 7.
  • the hose further has bores (not shown) leading from the inner side of the hose from the inner layer 1 to the outer layer 5, so that compressed air introduced into the hose or line escapes through these bores to the outside and then when desired in the seawater Bubble veil can form.
  • the holes are placed at those points of the hose, which are not occupied in the intermediate layer by weighting body or the spring wire spiral.
  • the device according to the invention can advantageously be used for sound insulation for underwater piling operations by showing high robustness, buckling resistance and dimensional stability and can provide for the formation of a stable bubble curtain for sound reduction.
  • the conduit of the device of the invention may be deployed in a manner preferably annular around a pile, as known to those skilled in the art.
  • the simultaneous application of multiple lines is possible.
  • the application takes place via a winding device of a drum on which the line is wound up.

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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)

Claims (13)

  1. Dispositif de réduction du bruit pour des travaux de battage de pieux sous l'eau, dans lequel le dispositif présente au moins une conduite pouvant être fixée sur le fond de la mer, qui présente une multiplicité de trous, ainsi qu'au moins un compresseur, avec lequel de l'air comprimé peut être introduit dans la conduite, de telle manière que celui-ci puisse s'échapper par les trous, dans lequel la conduite présente au moins une partie de sa longueur sous la forme d'un tuyau flexible, caractérisé en ce que le tuyau flexible présente une structure de paroi stratifiée qui, de l'intérieur vers l'extérieur, comprend une couche intérieure (1), une première couche de résistance (2), une couche intermédiaire (3), une seconde couche de résistance (4) et une couche extérieure (5), dans lequel au moins un corps de lestage (6) est incorporé dans la couche intermédiaire.
  2. Dispositif de réduction du bruit selon la revendication 1, dans lequel des corps de lestage sont disposés dans la couche intermédiaire avec une répartition essentiellement uniforme sur la périphérie du tuyau flexible ou plusieurs corps de lestage (6) ne sont disposés que dans une région partielle de la périphérie, de préférence dans une région reposant sur le fond de la mer.
  3. Dispositif de réduction du bruit selon une revendication 1 ou 2, dans lequel les trous sont prévus majoritairement dans une région supérieure du tuyau flexible, à l'opposé de la région reposant sur le fond de la mer.
  4. Dispositif de réduction du bruit selon l'une quelconque des revendications précédentes, dans lequel au moins un fil de ressort hélicoïdal (7) est incorporé dans la couche intermédiaire et est disposé de telle manière qu'il s'étende en forme de spirale dans une direction longitudinale du tuyau flexible.
  5. Dispositif de réduction du bruit selon la revendication 4, dans lequel des corps de lestage (6) sont disposés entre des spires hélicoïdales du fil de ressort hélicoïdal (7).
  6. Dispositif de réduction du bruit selon l'une quelconque des revendications précédentes, dans lequel les couches de résistance (2, 4) comprennent une couche de tissu textile et/ou une armature métallique.
  7. Dispositif de réduction du bruit selon la revendication 6, dans lequel la couche de tissu textile comprend des fibres de coton et/ou des fibres synthétiques.
  8. Dispositif de réduction du bruit selon l'une quelconque des revendications précédentes, dans lequel le corps de lestage 6) est constitué d'un matériau, sélectionné dans le groupe composé de métal, de préférence de métal allié, d'un alliage métallique et de matériau minéral, de préférence de béton.
  9. Dispositif de réduction du bruit selon l'une quelconque des revendications précédentes, dans lequel la couche intérieure (1), la couche intermédiaire (3) et la couche extérieure (5) sont fabriquées en un matériau de caoutchouc styrène-butadiène.
  10. Dispositif de réduction du bruit selon l'une quelconque des revendications précédentes, contenant en outre un dispositif d'enroulement avec un tambour, sur lequel la conduite peut être enroulée.
  11. Dispositif de réduction du bruit selon l'une quelconque des revendications précédentes, dans lequel la conduite présente une longueur de 20 - 50 m.
  12. Dispositif de réduction du bruit selon l'une quelconque des revendications précédentes, dans lequel plusieurs conduites sont couplées l'une à l'autre par un moyen de couplage.
  13. Dispositif de réduction du bruit selon l'une quelconque des revendications précédentes, dans lequel le tuyau flexible présente un diamètre intérieur de 50 - 300 mm, de préférence de 50 - 200 mm, et une épaisseur de paroi de 10 - 20 mm.
EP17179280.7A 2016-07-28 2017-07-03 Réduction de bruits Active EP3276084B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202016104155.4U DE202016104155U1 (de) 2016-07-28 2016-07-28 Vorrichtung zum Schallschutz

Publications (2)

Publication Number Publication Date
EP3276084A1 EP3276084A1 (fr) 2018-01-31
EP3276084B1 true EP3276084B1 (fr) 2019-06-12

Family

ID=56800852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17179280.7A Active EP3276084B1 (fr) 2016-07-28 2017-07-03 Réduction de bruits

Country Status (3)

Country Link
EP (1) EP3276084B1 (fr)
DE (1) DE202016104155U1 (fr)
HU (1) HUE046017T2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016220813A1 (de) * 2016-10-24 2018-04-26 Contitech Schlauch Gmbh Länglicher Hohlkörper, insbesondere Schlauch

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3312347A1 (fr) * 2016-10-24 2018-04-25 ContiTech Schlauch GmbH Corps creux oblong, en particulier tuyau

Family Cites Families (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
DE102010048474A1 (de) 2010-10-14 2012-04-19 Bernhard Weyres Vorrichtung und Verfahren zum Einbringen von Pfählen in den Meeresboden
DE102012202132B4 (de) 2012-02-13 2023-12-28 Bernhard Weyres Verfahren und Vorrichtung zum Schallschutz
EP2746462B1 (fr) * 2012-12-21 2016-11-23 Maritime Offshore Group GmbH Dispositif et procédé de réduction des émissions sonores au cours des travaux de battage de pieux en mer
DE202014005397U1 (de) 2014-07-03 2014-09-25 Heinz-Werner Paul Vorrichtung zum Schallschutz für Rammarbeiten zum Einrammen von Pfählen in den Meeresboden

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3312347A1 (fr) * 2016-10-24 2018-04-25 ContiTech Schlauch GmbH Corps creux oblong, en particulier tuyau

Also Published As

Publication number Publication date
HUE046017T2 (hu) 2020-01-28
EP3276084A1 (fr) 2018-01-31
DE202016104155U1 (de) 2016-08-09

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