EP3162961B1 - Barrière acoustique à absorption du son remplie de granulés - Google Patents

Barrière acoustique à absorption du son remplie de granulés Download PDF

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Publication number
EP3162961B1
EP3162961B1 EP16196321.0A EP16196321A EP3162961B1 EP 3162961 B1 EP3162961 B1 EP 3162961B1 EP 16196321 A EP16196321 A EP 16196321A EP 3162961 B1 EP3162961 B1 EP 3162961B1
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EP
European Patent Office
Prior art keywords
granules
sound barrier
cassette
design according
cassettes
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
EP16196321.0A
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German (de)
English (en)
Other versions
EP3162961B2 (fr
EP3162961A2 (fr
EP3162961A3 (fr
Inventor
Jes Bo Rennebod
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.)
Jesco Holding ApS
Original Assignee
Jesco Holding ApS
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Filing date
Publication date
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Application filed by Jesco Holding ApS filed Critical Jesco Holding ApS
Priority to PL16196321T priority Critical patent/PL3162961T5/pl
Publication of EP3162961A2 publication Critical patent/EP3162961A2/fr
Publication of EP3162961A3 publication Critical patent/EP3162961A3/fr
Application granted granted Critical
Publication of EP3162961B1 publication Critical patent/EP3162961B1/fr
Publication of EP3162961B2 publication Critical patent/EP3162961B2/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0011—Plank-like elements
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
    • E01F8/0064—Perforated plate or mesh, e.g. as wall facing
    • E01F8/007—Perforated plate or mesh, e.g. as wall facing with damping material
    • 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
    • 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
    • E04B1/84—Sound-absorbing elements

Definitions

  • the present invention involves a design of a sound barrier of the type comprising upright supports or pillars configured for anchoring in the ground, while between said supports or pillars are fastened elongated and primarily horizontally extending shield elements consisting of one or more layers of sheets and one or more layers of sound-absorbing granule material.
  • the sound-absorbing granules are based on recycled glass fiber.
  • the invention likewise concerns a method of producing a sound barrier.
  • the purpose of the invention is to indicate a new type of soundproofing material and a design for an improved sound barrier, primarily intended for mounting along railroad tracks or highways with high traffic density etc., served by high-speed trains - such as electrically powered high-speed trains or motor vehicles in the case of highways.
  • a further purpose of the invention is to utilize granules based on recycled glass fiber, where the glass fiber has previously been used in wind turbine blades, sailboats, and other non-polluting components.
  • the fiberglass granules which are used are mechanically crushed into pieces varying in length and thickness, and therefore the granules which are used are not homogeneous in size.
  • Utilization of the indicated granules can help alleviate the major environmental storage problems affecting the wind turbine industry, among others, in connection with the stockpiling of used wind turbine blades, as well as waste products and scraps from new production of wind turbine blades, for example.
  • a further purpose of the invention is to make a sound barrier which is not destroyed by either wind, water, or temperature changes, including frost, such that the elements of the sound barrier are resistant to the climate in which the sound barrier is installed.
  • a purpose of the invention is to utilize the raw granules in loose form, where the granules are not further processed in any way or processed for any purpose other than pure granules.
  • Design of sound barriers of the type comprising upright supports or pillars configured for anchoring in the ground, while between said supports or pillars are fastened elongated and primarily horizontally extending shield elements consisting of one or more layers of sheets and one or more layers of sound-absorbing granule material.
  • the sound-absorbing granules are based on recycled glass fiber.
  • the sound barrier is special in that a shield element is designed as an assembled cassette structure and outfitted with means for blowing in of granules or the granules are packed in sack or netting means that are directly placed in the shielding element.
  • the granules are preferably used loose.
  • the high density thus allows one to produce "slender sound barrier cassettes" due to the high weight per unit area.
  • the fiberglass granules by virtue of their loose form can thus be directly shoveled, poured, blown, inflated, guided, led, or otherwise introduced directly into the soundproofing cassette, e.g., by conveyor belt, with the help of screw conveyors, or otherwise.
  • the fiberglass granules can be introduced for example in a sack or a netting, where the sack or the netting can be of plastic, polymer, rubber or any other desired and usable material.
  • a sack material can be made, for example, of a membrane and be either liquid impermeable or liquid permeable, in which case for example perforations allow water, air and sound to pass through.
  • a netting can be flexible, for example, and made by extrusion.
  • the sack or netting can furthermore be directly positioned in the shielding element or the shielding element can be afterwards placed in a sack or netting filled in this way. There are further possibilities for lining the sack or netting.
  • the granules will be supplied to a type of tube, such as a round tube or a rectangular tube, and preferably connected to funnel for supply of granules at one end of the tube, and where the other end of the tube has a connection to sacks or nets for filling with said granules.
  • a type of tube such as a round tube or a rectangular tube
  • the sack or membrane can be endless for example in the form of tubes or hoses, making it possible for one end to be closed, gathered, or in some other way halt the passage of granules, which are possibilities, not necessities, as desired and required for the handling, packing and filling of granules in cassettes. Depending on the surroundings, one possibility can thus be to place a filled sack or membrane with granule material at the application site for the sound barrier.
  • the granules are loose and can be subjected to water also means that the granules are broken up by frost and thus become even more pieces, which simply means a fine dividing of the material, not having as such any functional importance to the soundproofing effect of the granules.
  • the sack material can likewise be soluble in water, so that the granules can be placed in the cassette as a whole, after which the sack is dissolved and the granules then obtain a surface which enables a larger contact surface in regard to uptake of water and thus an increasing of what the skilled person understands as being weight per unit area.
  • water-soluble films examples are known from PVOH, PVA, and PVAL.
  • water-soluble films are used in many compounds - including as a "form releaser" - since epoxy does not adhere to polyvinyl alcohol.
  • the combination of the granules being hydroscopic and thus taking up water and the sack likewise dissolving on account of the permeable fiber membrane means that the fibers will remain in the sack under dry conditions.
  • the sound barrier cassette When the sound barrier is set up, the sound barrier cassette will be subjected to the weather conditions and the sack will be dissolved.
  • the binder in the crushed fiberglass granules is typically epoxy, so that the water-soluble film thus will not bind to it. Films which are not water-soluble will be perforated to allow for absorption.
  • the use of the water-soluble film only finds exclusive application as a filler packaging during the production process of the cassette, so that noise pollution etc. is avoided.
  • the packaging will be intact during transport and thus also act as a sound barrier during transport. Thus, it will not be possible for any noise pollution to occur during the production process or in a logistical connection, when the sound barrier cassettes are being handled in closed premises or rooms.
  • One or more sheets are reflective and/or one or more sheets are corrugated.
  • perforations in one or more sheets which perforations are not larger than those which are able to hold back the granules.
  • the design of the sound barrier is of the type comprising upright supports or pillars, which can be anchored in the ground, wherein there are secured between said supports or pillars elongated primarily horizontally extending shield elements, consisting for example of thin-wall profiled metal sheets and a core of a sound-absorbing granule material, characterized in that granules are used which are based on recycled glass fiber.
  • the sound barrier is distinguished in being designed such that granules can be blown into an assembled cassette structure.
  • the cassette which is designed to be filled with granules is characterized in being able to be provided with an internal stiffening.
  • it can be an internal stiffening. In this way, one achieves further shape stability and strength.
  • there can be an external stiffening instead of an internal one, or as a supplement to an internal stiffening.
  • the sound barrier is characterized in that the absorption is different and varies as a consequence of the fiber size blown in.
  • the sound barrier is characterized in that the granules have no further processing or crushing.
  • the glass fibers have thus been used previously for another purpose, but can now be used for an entirely different purpose instead of being taken to a dump site.
  • the glass fiber can thus typically be a waste material or a waste product made into granules with no further processing. That is, the granules as the starting product do not have to be supplied with liquids, undergo heat treatment or the like, in order to be used for the mentioned purpose.
  • the sound barrier is characterized in that the granules are hygroscopic and thus take up water.
  • the hygroscopic property will contribute to an increased density and thus an increased soundproofing.
  • the sound barrier is characterized in being designed so that it can be mounted in a way such that the granules are blown in after the mounting.
  • the cassettes are configured such that they can be connected and have one or more channels, so that the granules can be blown in after mounting. The blowing or other filling method can occur after the cassette has been mounted in pillars on-site.
  • the cassette can furthermore be designed with a removable sheet or an opening, so that the granules can be filled into the cassettes.
  • a removable sheet or an opening is placed so that the removal and the refilling of the granules can be done with the cassette mounted in pillars on-site.
  • the sound barrier design according to the invention is characterized in that the sound barrier is designed such that granule fill can be blown into the wall of the shield.
  • the sound barrier thus becomes absorbing from both sides facing the noise source - such as a railway or highway.
  • the sound barrier cassette is based on a self-supporting structure with internal stiffening - such that the granules etc. only act as absorbing and soundproofing material - characterized by its high density and good absorbing properties.
  • noise can be absorbed by means of the fill which is blown into the shield, thereby achieving an extremely effective absorption of the sound pressure waves from, e.g., passing high-speed trains or a motor vehicle or some other noise source, in that the sound pressure waves are effectively absorbed in the granules.
  • the absorption in the sound barrier as a whole is thereby increased very significantly.
  • the sound barrier design according to the invention is such that the cassette can be produced in various self-supporting configurations.
  • a cassette consists of a top and a bottom, as well as side pieces, all of which are connected to form an assembled frame.
  • the frame is provided with a net or a perforated sheet. Behind the net or the perforated sheet is mounted a fiber membrane, which allows for the passage of air. If the granules are already filled into a sack or a net of corresponding material and/or with corresponding function, the providing of a net or a perforated sheet for the frame can be omitted.
  • the permeable fiber membrane allows for passage of the blowing air and at the same time acts as a filter, so that the granules are held back by the fiber membranes.
  • the internal configuration of the shield will have many different designs in order to achieve sufficient stability.
  • the sound barrier shown in Fig. 1-4 is built as a self-supporting structure.
  • the cassette is mounted in or on pillars, such as those with an H-profile, which are anchored in the ground, and between which the cassettes are mounted primarily horizontally as running shielding elements.
  • the cassette for example consists of thin-wall profiled metal sheets 4 and a filled core 9 of a sound-absorbing granule material.
  • the sound barrier 10 as shown can also comprise various profile sheets and corrugated trapezoidal sheets, which form a mechanical barrier and front side of the shield 10. What is common to all the sheets which are mounted on the front is that they are perforated to one degree and extent or another.
  • the shield consists of a top profile 1, a bottom profile 2 and side pieces 6, which are joined into a shape-stable and self-supporting frame.
  • the internal stiffening 8 ensures that the cassette remains stable.
  • a mechanical net 4 is mounted in order to hold back the granules 9.
  • Behind this net is mounted a permeable fiber membrane 3. The fiber membrane allows the passage of the blowing-in air, but at the same time holds back the blown-in granules.
  • Figure 2 shows an empty cassette with a sheet, here a side piece 6 and top profile with a hole 7 for blowing in of granules.
  • the cassette is designed for serial connection to identical cassettes.
  • Figures 3 and 4 show a cassette or a shield element 10 which is placed on a base 12 such as the ground and with connection means for a hose 11 for blowing in of granules in the form of recycled glass fiber.
  • Figure 5 shows a cassette 10 which is designed to receive granules.
  • the cassette 10 shown can receive one or more sound-reflecting sheets and at the same time receive granules, see the previous figures.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Building Environments (AREA)

Claims (10)

  1. Conception de barrière acoustique du type comprenant des supports ou piliers verticaux, conçus pour s'ancrer dans le sol, et dans laquelle, fixés entre lesdits supports ou piliers, on trouve des éléments de blindage (10) allongés s'étendant principalement horizontalement, consistant en une ou plusieurs plaques (4) et une ou plusieurs couches de granules absorbant le son (9), dans laquelle les granules utilisées sont basées sur de la fibre de verre recyclée, caractérisée en ce que les éléments de blindage (10) sont conçus comme des structures en cassette assemblées (10) et équipés d'un moyen (7) de soufflage de granules ou en ce que les granules sont conditionnées en sac ou avec un moyen de grillage qui sont directement placés dans les éléments de blindage (10).
  2. Conception de barrière acoustique selon la revendication 1, caractérisée en ce que la cassette (10) est conçue avec un raidisseur interne (8) et conçue avec des orifices ou un accès pour la distribution des granules au cours du soufflage.
  3. Conception de barrière acoustique selon l'une quelconque des revendications 1 à 2, caractérisée en ce que les granules sont hygroscopiques.
  4. Conception de barrière acoustique selon l'une quelconque des revendications 1 à 3, caractérisée en ce qu'elle comprend en outre un collecteur d'eau ou un système d'irrigation pour l'humidification continue ou périodique des granules.
  5. Conception de barrière acoustique selon l'une quelconque des revendications 1 à 4, caractérisée en ce qu'elle comprend une pluralité de cassettes, où les cassettes (10) sont conçues avec des branchements de canal qui sont conçus de sorte que les granules peuvent être soufflées dans une cassette (10) et distribuées dans une autre cassette via au moins un branchement de canal et après que les cassettes (10) ont été montées.
  6. Conception de barrière acoustique selon la revendication 1, caractérisée en ce que les cassettes sont conçues avec une trappe, une porte, ou un moyen de sortie correspondant pour vider les granules de la cassette.
  7. Conception de barrière acoustique selon la revendication 1, caractérisée en ce que les cassettes sont conçues avec une trappe, une porte, ou un moyen de sortie correspondant pour remplir la cassette avec les granules.
  8. Conception de barrière acoustique selon la revendication 9, caractérisée en ce que les granules sont hygroscopiques et conditionnées dans un film soluble dans l'eau.
  9. Procédé de réalisation d'une barrière acoustique, consistant à :
    - prévoir des supports ou piliers ancrés dans une base telle que le sol ;
    - prévoir des éléments de blindage (10), de préférence en forme de boîte, entre les supports ou piliers ;
    caractérisé en ce qu'il comprend en outre l'étape de
    - soufflage des granules dans les éléments de blindage (10) de préférence en forme de boîte, les granules étant de la fibre de verre recyclée, ou
    le conditionnement des granules en sac ou moyen de grillage et placement du sac rempli ou du moyen de grillage dans les éléments de blindage (10).
  10. Procédé selon la revendication 9, caractérisé en ce que la pluralité d'éléments de blindage (10) sont reliés à un canal ; après quoi
    - le soufflage des granules dans la pluralité d'éléments de blindage (10), les granules étant de la fibre de verre recyclée.
EP16196321.0A 2015-10-30 2016-10-28 Barrière acoustique à absorption du son remplie de granulés Active EP3162961B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16196321T PL3162961T5 (pl) 2015-10-30 2016-10-28 Bariera dźwiękochłonna wypełniona granulkami

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA201500677A DK179441B1 (da) 2015-10-30 2015-10-30 Granulatfyldt absorberende støjskærm

Publications (4)

Publication Number Publication Date
EP3162961A2 EP3162961A2 (fr) 2017-05-03
EP3162961A3 EP3162961A3 (fr) 2017-05-24
EP3162961B1 true EP3162961B1 (fr) 2018-10-24
EP3162961B2 EP3162961B2 (fr) 2022-02-16

Family

ID=57530479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16196321.0A Active EP3162961B2 (fr) 2015-10-30 2016-10-28 Barrière acoustique à absorption du son remplie de granulés

Country Status (3)

Country Link
EP (1) EP3162961B2 (fr)
DK (3) DK179441B1 (fr)
PL (1) PL3162961T5 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3190231B1 (fr) 2016-01-08 2019-09-25 Würtzen, Jakob Sac amortissant pour isolation acoustique, barrière avec un tel sac et procédé d'installation d'une telle barrière
EP4183928A1 (fr) 2021-11-17 2023-05-24 Jesco Holding ApS Barrière anti-bruit et procédé d'établissement d'une barrière anti-bruit

Citations (4)

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Publication number Priority date Publication date Assignee Title
US5484970A (en) 1993-06-07 1996-01-16 Zeon Kasel Co., Ltd. Acoustic insulator
EP0762382A1 (fr) 1994-05-23 1997-03-12 ZEON KASEI Co. Ltd. Panneau permettant de realiser une paroi d'insonorisation
US20050188649A1 (en) 2003-06-06 2005-09-01 Hans T. Hagen, Jr. Insulated stud panel and mehod of making such
WO2013076601A1 (fr) 2011-11-22 2013-05-30 Wuertzen Jakob Procédé de recyclage de fibres de verre et/ou fibres de carbone pour l'isolation thermique et/ou l'isolation sonore, utilisation de particules pour l'isolation thermique de paroi à cavité et panneau de barrière sonore

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US5641368A (en) * 1995-12-14 1997-06-24 Guardian Fiberglass, Inc. Fiberglass spray insulation system and method with reduced density
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US5484970A (en) 1993-06-07 1996-01-16 Zeon Kasel Co., Ltd. Acoustic insulator
EP0762382A1 (fr) 1994-05-23 1997-03-12 ZEON KASEI Co. Ltd. Panneau permettant de realiser une paroi d'insonorisation
US20050188649A1 (en) 2003-06-06 2005-09-01 Hans T. Hagen, Jr. Insulated stud panel and mehod of making such
WO2013076601A1 (fr) 2011-11-22 2013-05-30 Wuertzen Jakob Procédé de recyclage de fibres de verre et/ou fibres de carbone pour l'isolation thermique et/ou l'isolation sonore, utilisation de particules pour l'isolation thermique de paroi à cavité et panneau de barrière sonore

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3190231B1 (fr) 2016-01-08 2019-09-25 Würtzen, Jakob Sac amortissant pour isolation acoustique, barrière avec un tel sac et procédé d'installation d'une telle barrière
EP4183928A1 (fr) 2021-11-17 2023-05-24 Jesco Holding ApS Barrière anti-bruit et procédé d'établissement d'une barrière anti-bruit

Also Published As

Publication number Publication date
EP3162961B2 (fr) 2022-02-16
EP3162961A2 (fr) 2017-05-03
DK3162961T3 (en) 2019-02-25
DK201500677A1 (da) 2017-05-15
DK201700042U1 (da) 2017-05-15
EP3162961A3 (fr) 2017-05-24
DK179441B1 (da) 2018-09-12
PL3162961T3 (pl) 2019-06-28
DK3162961T4 (da) 2022-05-23
PL3162961T5 (pl) 2022-07-11

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