EP3482002B1 - Panneau d'absorption de bruit destiné à être utilisé dans un système de glissière de sécurité absorbant les sons - Google Patents

Panneau d'absorption de bruit destiné à être utilisé dans un système de glissière de sécurité absorbant les sons Download PDF

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Publication number
EP3482002B1
EP3482002B1 EP17739944.1A EP17739944A EP3482002B1 EP 3482002 B1 EP3482002 B1 EP 3482002B1 EP 17739944 A EP17739944 A EP 17739944A EP 3482002 B1 EP3482002 B1 EP 3482002B1
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EP
European Patent Office
Prior art keywords
noise absorbing
absorbing panel
panel according
noise
stretch
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
EP17739944.1A
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German (de)
English (en)
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EP3482002A1 (fr
Inventor
Michaeel Emborg
Kristian Skovgaard Jørgensen
Jan Eike Dröge
Hans-Jürgen SCHNITZLER
Bruno Kirk Sørensen
Steffen ANDERSEN
Leon Samsø Pedersen
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Rockwool AS
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Rockwool International AS
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Publication date
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Priority to PL17739944T priority Critical patent/PL3482002T3/pl
Publication of EP3482002A1 publication Critical patent/EP3482002A1/fr
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Publication of EP3482002B1 publication Critical patent/EP3482002B1/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
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0407—Metal rails
    • E01F15/0423—Details of rails
    • 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
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • 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
    • E01F8/0017—Plate-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

Definitions

  • the present invention relates to a noise absorbing panel for use in a sound absorbing guard rail.
  • a guard rail is provided at the lateral side of a road with the object of limiting personal injuries by absorbing the energy of a vehicle veering off the road by catching and slowing down the vehicle. Added to this primary function it is also found attractive to provide the guard rails with noise reducing means.
  • a sound absorbing guard rail of such kind is known from EP 1 528 158 A1 .
  • the sound absorbing panels are made of aluminium or made transparent.
  • guard rail with noise reducing measures is known from WO 2010/018028 A1 , where a perforated plate is provided behind the guard rail beam.
  • WO 2007/132964 discloses a soundproofing board which is constructed such that several soundproofing boards can be engaged together in vertical and horizontal directions without a separate connection member.
  • JP 2000 225322 A discloses a fixture consisting of plural brackets fitted to an existing pillar supporting a sound barrier. A wall face structure is also fitted to the pillar through plural fitting bolts.
  • a guard rail In order to ensure road safety and to reduce the risk of personal injuries it is required that a guard rail must be able to absorb the impact of a collision without disintegrating. This requirement is also applicable to the noise reducing means. This requirement is to avoid flying objects and/or sharp fractures which can cause severe personal injuries in case of a collision.
  • the casing in aluminium or transparent materials, such as glass or plastic is brittle, costly and may not withstand a vehicle impact without breaking apart.
  • the risk of disintegrating the panel during an impact is considered too high and it is therefore an object of the present invention to provide a guard rail with noise reducing means which can withstand the impact of a vehicle colliding with the guard rail.
  • this object is achieved by a guard rail of the initially mentioned kind, wherein the noise absorbing panel comprises a noise absorbing material board which is encased in an energy absorbing material as defined in claim 1.
  • the noise absorbing panel is contained in an energy absorbing material, e.g. said mesh, whereby an improved noise absorbing panel in a guard rail system may be achieved, which also meets the requirements concerning impact absorption and avoids disintegration at an impact with a vehicle.
  • the noise absorbing material is preferably a mineral wool fibre board, which has very good noise-absorbing characteristics.
  • the noise absorbing panels can also be made with other materials like foam material, integrated or partial rubber material, integrated or partial plastic material, or other noise absorbing material resistant in regard to weather conditions and wear effects next to traffic ways.
  • the energy absorbing material is a stretch-metal netting encasing said noise absorbing material board.
  • Stretch-metal or expanded metal provide very good energy-absorbing characteristics as the netting made of stretch-metal can be deformed to a large degree when impacted.
  • stretch metal netting it is possible to provide different stretch behaviour in respective stress directions. E.g. it is possible to provide a higher stress resistance and thereby a higher energy absorption in an impact situation in longitudinal direction of the traffic way than in vertical direction. In those directions, where the stretch metal netting provides a higher stress resistance, the meshes of the stretch metal netting may provide a higher amount of deformation.
  • the meshes of the stretch metal netting deform less. This can be achieved e.g. by rhombus formed meshes, which have a longer diagonal in vertical direction and a shorter diagonal in the horizontal direction. Thereby, the ability of deformation of the rhombus formed meshes in horizontal direction is higher than in vertical direction. Braking of the panels in any situation, in particular in a crash-situation, is to be avoided.
  • the stretch metal may provide a surface structure with different groups of surfaces which are intentionally oriented into a particular direction. Thereby, it is possible to achieve particular optical reflection effects such that impacting light from a vehicle is reflected in preferred directions by certain groups of surfaces of the net material, whereas the impacting light is being dispersed in other less preferred directions.
  • inclining the groups of surfaces in preferred directions may also support that particular objects colliding with the net material may slide along the surface of the material with less friction in certain preferred directions, whereas objects impacting from another direction experience higher friction.
  • the mineral wool fibre board and more preferably a stone wool material, has very good noise-absorbing characteristics
  • another advantage by in particular stone wool as the material is that this material fire-resistant.
  • the energy absorbing material i.e. the stretch-metal netting, provides protection of the mineral wool and can further contribute to the energy absorption at an impact due to a collision into the guard rail and the energy absorbing material, i.e. stretch-metal netting, also ensures that the sound absorbing panel does not disintegrate at such an impact.
  • This synergy between the sound absorbing material formed e.g. by a mineral wool fibre board and the energy absorbing material is advantageous and results in an improved noise absorbing panel in a guard rail, which also meets the requirements concerning impact absorption and avoids disintegration at an impact with a vehicle.
  • stretch-metal netting is meant an expanded metal sheet, which is made by a process of slit and stretch.
  • the process may involve a precision die which slits and stretches the sheet material in a single operation.
  • Expanded metal is manufactured through cutting and expanding a solid sheet of metal in special machines. The machines cut and stretch the metal, expand it to a seamless mesh without joints. The production contains no welded joints and no woven threads, which contributes to the unique qualities of expanded metal.
  • the mesh that is produced after expansion of the cut metal gives the material an excellent carrying capacity.
  • the material is then processed through a set of rollers, which adjusts the final thickness.
  • the stretch-metal in the netting is a ductile metal capable of absorbing energy while being plastically deformed.
  • the stretch-metal is galvanised steel. This is advantageous as it is weather resistant and inexpensive to produce and very ductile and deformable by deforming the mesh structure of the stretch metal netting when impacted. By galvanising the stretched metal sharp edges will also be rounded.
  • other types of protective coatings such as plastic coating, paint or the like, may be used.
  • the energy absorbing mesh could be a perforated metal sheet, a plastic netting or the like and/or a combination thereof, encasing said noise absorbing material board.
  • the netting is a panel which encloses at least the main sides and the top side of the mineral wool fibre board.
  • the encasing is made from the stretch-metal netting panel which is bent into a box-like shape around the mineral wool fibre board and with mounting panels provided at each of the end sides.
  • the stretch-metal netting panel may be produced with non-stretched areas at each of the end sections for receiving the mounting panels at each end for mounting the sound absorber to the supporting posts.
  • any sharp edges or pointy ends in the netting structure may be avoided, thereby reducing any risk of personal injuries to persons when handling the noise absorbing panel or during a collision with the guard rail.
  • the noise absorbing panel may be installed in cities e.g. at parapets, this feature of the invention prevents the risk of injuring pedestrians or cyclists.
  • the noise absorbing panel is preferably approx. 90 cm in height and approx. 260 cm in length.
  • the panels may fit between posts in the usual guard rail structure designs.
  • the panels may be positioned behind the post, as viewed from the traffic way, wherein a pair of two consecutive posts can be arranged in a distance of approx. 1 m, 1.3 m, 2 m or 4 m, respectively.
  • any dimensioning of the noise absorbing panel is encountered by the present invention.
  • the panels may alternatively also be mounted in front of the posts, i.e. between the posts and the guard rail.
  • the panels are not directly interconnected or mechanically fixed to one another. Instead, they are mounted to the posts or the guard rail and arranged next to one another without a mutual fixation. In other instances, the panels can be mechanically connected.
  • the sound absorbing material board in particular the mineral wool fibre board, may also be provided with a density within the range of 60-150 kg/m 3 , preferably 80-120 kg/m 3 , more preferably 80-100 kg/m 3 .
  • noise absorbing panels are provided in a size which is easy to handle during mounting.
  • the board is preferably provided with a protective fabric on its road-facing side.
  • the mineral fibre board is protected from salt, dirt and the like from the road.
  • the fabric may be a fleece, i.e. a non-woven fabric, which is weather and UV resistant ensuring a long lifetime of the sound absorbing panel.
  • the protective fabric with a structured surface having different appearances depending on the perspective.
  • the fleece and thereby the noise absorbing panel may reflect incident light more or less intensely depending on the actual incident angle.
  • the protective fabric with particular light absorbing effects such that it has a different colour depending on the actual incident angle of light or line of vision.
  • the fleece may reflect light when illuminated from one driving direction of a traffic way and fully or partially absorb or deflect light when illuminated from the other driving direction of said traffic way.
  • this feature may also provide functional benefits when the sound absorbing panel is installed next to a traffic way.
  • the noise absorbing panel is provided in either a planar configuration or a curved configuration.
  • Another advantage of the stretch-metal netting encasing the mineral fibre board is also that the stretch metal netting is manually deformable so that the noise panel is bendable into a preferred curved shape.
  • shorter panels can be used and arranged in a polygonal course for an installation at curved traffic ways.
  • the guard rail is made of a beam, preferably made of a steel profile in a predetermined cross-sectional shape.
  • the beam may be provided with sound reducing means, such as one or more sections of perforations.
  • the guard rail could be a tube or a wire.
  • the noise absorbing panel can be provided at the respective axial end portions with end profiles.
  • Such end profiles may have I-, H-, U- or C- shape.
  • I-, H-shape allows a connection of two consecutive noise absorbing panels which can be introduced in the respective recesses provided by this shape profile.
  • U- or C- shaped profiles can be used as end profiles of respective noise absorbing panels in case no further noise absorbing panel is to be connected.
  • end portions of noise absorbing panels can be at least partially covered by cover elements.
  • cover elements can be formed from material which is elastically deformable and which has good noise absorbing characteristics, e.g from rubber material. It is possible to fix such singular elements to the energy absorbing mesh material on both sides of the noise absorbing panel, respectively.
  • cover elements which cover an end portion of the noise absorbing panel by surrounding or encompassing this end portion partially or completely.
  • the cover element can be fixed by additional fixing means or it can be clamped to the noise absorbing panel. Holding ribs increasing friction or providing a form fit can be formed to the cover elements in order to engage with the noise absorbing panel, in particular with the end portions of the energy absorbing mesh material.
  • the cover element can provide an elastically deformable structure, preferably rounded, in the center of the end face which can be brought in contact with the corresponding elastically deformable structure at an opposing cover element of an approximate noise absorbing panel.
  • the elastically deformable structure can be formed by a rounded projection integrally formed within the cover, e.g. with a rounded projection surface. This allows to compensate tolerances when mounting or assembling the system and moreover provides additional noise absorbing characteristics also in the interfaces between two approximate noise absorbing panels.
  • the guard rail system is installed at a lateral or median side of a road 2 and comprises a series of vertically oriented supporting posts 4.
  • a series of noise absorbing panels 6 are mounted to one side of the supporting posts 4 facing away from the road and a series of longitudinal guard rails 8 are mounted on the other side of the posts 4 facing the road 2.
  • assembly profiles 14 are provided to ensure the noise absorbing panels 6 are suitably positioned and aligned.
  • the noise absorbing panel 6 comprises a noise absorbing material board 10 which is encased in an energy absorbing mesh 12 (see fig. 3 ).
  • FIGS 5 and 6 a second embodiment of a sound absorbing guard rail system according to the invention is shown.
  • the guard rails 8 are provided with perforated sections 81, 82 to further increase the sound absorbing characteristics of the guard rail system.
  • FIGS 7 a) to c) the absorption of an impact by a guard rail system according to the invention is shown.
  • the posts 4 deflects at ground level and the noise absorbing panel 6 is tilted backwards, i.e. away from the road 2, as well as deformed as the energy in the impact is absorbed in this deformation of the noise absorbing panel 6.
  • the guard rail 8 breaks away from the posts 4 as shown in fig. 7 c) .
  • noise absorbing panel 6 Three embodiments of the noise absorbing panel 6 are shown in figures 8-10 . Common for these three embodiments is that a noise absorbing material board 10 is encased in an energy absorbing mesh 12.
  • the material of the noise absorbing material board 10 is preferably a mineral fibre wool, and in particular stone wool material. This material has good sound absorbing characteristics just as the material is fire resistant and the noise absorbing panel 6 made of stone wool can thereby contribute to that the guard rail system can prevent any fire from spreading in case a fire occurs in relation to a road accident with or without vehicle impact in the guard rail.
  • Protective profiles 16, 16', 16" are provided between the noise absorbing material board 10 and the energy absorbing mesh 12. In fig. 11 the noise absorbing material board 10 is shown alone and in figures 12-14 the three different designs of the protective profiles 16, 16', 16" are shown.
  • the protective profile 16, 16' or 16" may be made of a transparent or non-transparent polymeric material, such as polypropylene, polycarbonate or the like.
  • the noise absorbing material board 10 is encased in an energy absorbing mesh 12.
  • This mesh 12 is provided as a netting and is preferably made of stretch-metal or also called expanded metal. Such a netting of expanded metal is manufactured through cutting and expanding a solid sheet of metal in special machines. The machines cut and stretch the metal, expand it to a seamless mesh without joints.
  • the mesh is hereby made up by ribs 12' and rhombus-like shaped openings 12" as shown in figures 15 and 16 .
  • the mesh 12 of expanded metal is advantageous as this type of mesh is highly deformable without breaking and can therefore absorb a high amount of energy in case of an impact and at the same time prevent the noise absorbing material 10 encased in the mesh 12 from being disintegrated and scattered around the in the event of a vehicle impact of the guard rail system.
  • the expanded metal mesh is formed such that it is more deformable in the longitudinal direction along the road than in the vertical direction.
  • the expanded metal mesh 12 is preferably bent into shape so as to form cover for the front and back sides of the noise absorbing board 10 as well as at least the top side.
  • the mesh 12 is also formed so it covers at least a portion of the bottom side of the noise absorbing board 10.
  • an assembly profile 14 is provided between the noise absorbing panels 6.
  • the profile 14 is made as an H-profile with two exterior flanges 142 and a web flange 144 therebetween.
  • two receiving slots 146 are formed on each side of the web flange 144 for receiving the ends of two neighbouring noise absorbing panels 6.
  • two U-profiles, or Z-Profiles can be used.
  • the guard rail beams 8 are formed from a sheet of metal which is bent into a desired cross-sectional shape.
  • the guard rail beam 8 is shaped with upper and lower longitudinal flange portions facing the road and a central flange portion therebetween.
  • the upper and lower flange portions are provided with perforated sections 81 and the central flange portion is also provided with a perforated section 82.
  • Mounting holes 80 are provided at least at the end portions of the beams 8.
  • FIG. 21 and 22 another embodiment is shown of the beam design. This second design differs from the design shown in figs. 18-20 by having non-perforated sections 83 along the beam 8.
  • Figures 25 and 26 show cross-sections of two alternative shapes of the guard rail beam 8 relative to the shape shown in fig. 20 , which could be used for the road-facing guard rail beams 8 in a guard rail system according to the invention.
  • the perforations may be provided in the guard rail beams 8 with different patterns. In figures 27-30 some different perforation patterns are shown.
  • FIG 31 shows a detailed view of an end region of a noise absorbing panels 6 as described above.
  • two rubber elements 200 are fixed to the edges of the energy absorbing mesh material 12.
  • Each of the rubber elements 200 in cross-section provides a profile with a U-shaped receiving part 202 with rib-like projections 204 and 206.
  • each of the rubber elements 200 has a hollow oval ring part 208.
  • the rubber elements 200 are fixed to the free edge of the mesh material 12 by means of the receiving parts 202, wherein the rib-like projections 204 and 206 engage the mesh material 12 in order to retain the rubber elements 200 on the free edge of the mesh material 12.
  • the hollow oval ring parts 208 which can be elastically deformed, project from the front surface 210 of the noise absorbing panel 6.
  • the rubber elements 200 provide a noise damping and mechanically cushioning interface to an approximate wall element or to another noise absorbing panel 6 formed with corresponding rubber elements 200. Moreover, tolerances can be compensated thereby.
  • the noise absorbing panel 6 also shows an additional protection layer 212 formed between the noise absorbing material board 10 and the energy absorbing mesh material 12.
  • This additional protection layer 212 can be provided for protecting the noise absorbing material board 10 from dirt, water, or other external influences. Moreover, it can provide optical effects, e.g. particular reflection effects or light absorbing effects depending certain angular ranges.
  • This additional protection layer can be provided in each embodiment as described above, independent from other structural features described.
  • Figure 32 shows an alternative embodiment for the design of an end cover design of a noise absorbing panel 6.
  • the noise absorbing panel 6 at its free and is provided with a cover 220 formed from rubber material.
  • the cover has bent edge regions 222 which encompass the free ends of the noise absorbing panel 6 and are held by elastic deformation and friction to the end regions of the energy absorbing mesh material 12.
  • Fig. 33 shows an embodiment for another cover 230 according to the invention which basically corresponds to the embodiment as described in regard to figure 32 .
  • Figure 35 additionally shows, how two opposing noise absorbing panels 6 and 6' are arranged against one another equipped with covers 230, respectively.
  • figure 36 additionally shows a perspective view of the cover 230.
  • the cover 230 has basically the same shape as shown in figure 32 in regard the cover 220 and it is also formed from elastically deformable material, e.g. rubber.
  • the cover 230 provides in its central region a rounded projection 232 with a hollow interior 234, which makes the rounded projection 232 elastically deformable.
  • the general shape of the cover 230 is adapted to the geometry of the end side of a noise absorbing panel 6, as can be seen in figure 36 .
  • the two corresponding rounded projections 232 and 232' of the respective covers 230 and 230' contact one another and under elastic deformation provide a tight engagement of the two end covers 230 and 230'. This allows to compensate tolerances and provides a tight connection and additional noise damping effects also in the interface between two approximate noise absorbing panels 6 and 6'.
  • Figure 34 shows another embodiment which is based on the embodiment according to figure 33 .
  • the end cover 240 corresponds in its shape to the end cover 230 as described above, i.e. it also has a rounded projection 242 with a hollow interior 244.
  • a partition wall 246 is provided extending from the inner surface of the projection 242 into the noise absorbing material board 10. The partition wall 246 additionally stabilizes the structure of the projection 242.
  • Figure 37 shows a further embodiment which is also based on the embodiment according to figure 33 .
  • the projection in the central area of the cover 250 the projection is formed by a closed ring-like structure 252 as can be seen in the cross-section with a hollow interior 254.
  • the cover 250 is plugged onto the end portion of the noise absorbing panel 6 such that a part, in the example about one fourth of the circumference, of the inner portion 256 of the closed ring-like structure 252 engages the front surface of the noise absorbing material board 10 and protrudes into it to a certain degree. This further stabilizes the cover 250 and allows to compensate tolerances.
  • the shape of the cover 250 is similar to the shape as already described in regard to figure 36 .
  • this embodiment provides a similar interface between two opposing or approximate noise absorbing panels 6 and 6' wherein the two ring-like structures 252 contact each other under a demanded elastic deformation in order to provide a tight fit with beneficial noise dampening and cushioning characteristics.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Claims (16)

  1. Panneau d'absorption de bruit (6) pour un système de glissière de sécurité à installer sur un côté latéral ou au milieu d'une route (2), ledit système de glissière de sécurité comprenant une série de montants de soutien (4), qui sont de préférence orientés verticalement, où au moins un panneau d'absorption de bruit (6) peut être monté sur lesdits montants de soutien (4), et une série de glissières de sécurité longitudinales (8) montées sur le côté du système de glissière de sécurité faisant face à la route (2), dans lequel ledit panneau d'absorption de bruit (6) comprend une plaque de matériau d'absorption de bruit (10) qui est enfermée dans un matériau d'absorption d'énergie (12) pourvu d'ouvertures
    caractérisé en ce que
    le matériau d'absorption d'énergie (12) est un filet en métal étirable enfermant ladite plaque de matériau d'absorption de bruit (10).
  2. Panneau d'absorption de bruit selon la revendication 1, dans lequel le matériau d'absorption de bruit (10) est un matériau de fibres de laine minérale prévu de préférence sous forme de matériau en mousse, de matériau en caoutchouc intégral ou partiel, de matériau plastique intégral ou partiel ou d'un autre matériau d'absorption de bruit (10) résistant aux conditions météorologiques et aux phénomènes d'usure à proximité des voies de circulation.
  3. Panneau d'absorption de bruit selon la revendication 1 ou 2, dans lequel ledit matériau d'absorption d'énergie (12) pourvu d'ouvertures comprend un maillage, une grille ou un matériau perforé.
  4. Panneau d'absorption de bruit selon la revendication 3, dans lequel le métal étirable est un métal ductile pouvant absorber l'énergie tout en étant déformé plastiquement.
  5. Panneau d'absorption de bruit selon la revendication 3 ou 4, dans lequel le métal étirable est de l'acier galvanisé.
  6. Panneau d'absorption de bruit selon l'une quelconque des revendications précédentes, dans lequel le matériau d'absorption d'énergie (12) est une combinaison d'un filet en plastique et dudit filet en métal étirable.
  7. Panneau d'absorption de bruit selon l'une quelconque des revendications précédentes, dans lequel le filet est un panneau qui enferme au moins les côtés principaux et le côté supérieur de la plaque de matériau d'absorption de bruit.
  8. Panneau d'absorption de bruit selon l'une quelconque des revendications précédentes, dans lequel l'enceinte est constituée d'un panneau de filet en métal étirable qui est plié en une forme de boîte autour de la plaque de matériau d'absorption de bruit et avec des panneaux de montage prévus à chacun des côtés d'extrémité.
  9. Panneau d'absorption de bruit selon la revendication 7 ou 8, dans lequel l'enceinte est constituée d'un panneau de filet en métal étirable qui est coulé dans un matériau isolant réalisé par un processus par voie humide et avec des panneaux de montage prévus à chacun des côtés d'extrémité du panneau de filet en métal étirable.
  10. Panneau d'absorption de bruit selon l'une quelconque des revendications précédentes, dans lequel le panneau de filet en métal étirable est pourvu de zones non étirées à chacune des sections d'extrémité pour recevoir les panneaux de montage à chaque extrémité pour monter l'absorbeur de son sur les montants de soutien.
  11. Panneau d'absorption de bruit selon l'une quelconque des revendications précédentes, dans lequel ledit panneau d'absorption de bruit est haut de 90 cm environ et long de 130 cm environ, de 260 cm environ, de 520 cm environ ou de 530 cm environ.
  12. Panneau d'absorption de bruit selon l'une quelconque des revendications précédentes, dans lequel la plaque de fibres de laine minérale est de la laine de roche et présente une densité dans la plage comprise entre 60 et 150 kg/m3, de préférence entre 80 et 120 kg/m3, et de manière encore plus préférable entre 80 et 100 kg/m3.
  13. Panneau d'absorption de bruit selon l'une quelconque des revendications précédentes, dans lequel la plaque est de préférence pourvue d'un tissu protecteur (212) sur son côté orienté vers la route.
  14. Panneau d'absorption de bruit selon la revendication 13, dans lequel le tissu protecteur (212) présente une surface structurée ayant différentes apparences selon un axe de vision réel.
  15. Panneau d'absorption de bruit selon l'une quelconque des revendications précédentes, dans lequel ledit panneau d'absorption de bruit (10) est prévu dans une configuration plane ou une configuration incurvée ou polygonale.
  16. Panneau d'absorption de bruit selon l'une quelconque des revendications précédentes, dans lequel le panneau d'absorption de bruit (10) est prévu au niveau des parties d'extrémité axiales respectives avec des profils d'extrémité, dans lequel les profils d'extrémité peuvent avoir une forme de I, de H, de U ou de C.
EP17739944.1A 2016-07-11 2017-07-07 Panneau d'absorption de bruit destiné à être utilisé dans un système de glissière de sécurité absorbant les sons Active EP3482002B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17739944T PL3482002T3 (pl) 2016-07-11 2017-07-07 Panel dźwiękochłonny do stosowania w systemie dźwiękochłonnej bariery ochronnej

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PCT/EP2017/067089 WO2018011080A1 (fr) 2016-07-11 2017-07-07 Panneau absorbant destiné à être utilisé dans un système de glissière de sécurité absorbant le bruit

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EP (1) EP3482002B1 (fr)
JP (1) JP2019520501A (fr)
KR (1) KR20190039120A (fr)
CN (1) CN109563688A (fr)
BR (1) BR112019000660A2 (fr)
CA (1) CA3030465A1 (fr)
DK (1) DK3482002T3 (fr)
IL (1) IL264195B (fr)
PL (1) PL3482002T3 (fr)
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ES2831420T3 (es) * 2016-07-11 2021-06-08 Rockwool Int Un sistema de banda de protección que absorbe el sonido
CA3055844A1 (fr) 2019-09-18 2021-03-18 Wade J. Mcallister Mur temporaire d`interruption de la pollution sonore exterieure

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LU80815A1 (de) * 1979-01-23 1979-06-05 Arbed Als leiteinrichtung fuer den strassenverkehr und als schalldamm fuer die anrainer von fahrbahnen dienende schutzwand
JPH05264197A (ja) * 1992-03-18 1993-10-12 Mitsubishi Corp 物質および／または熱交換塔用の充填材
JPH10338913A (ja) * 1997-06-10 1998-12-22 Nippon Kokan Light Steel Kk 防音機能を有する防護柵
JP2000225322A (ja) * 1998-11-30 2000-08-15 Yoshitaka Suga 空気汚染物質の除去壁構造
JP3629417B2 (ja) * 2000-08-30 2005-03-16 住友金属建材株式会社 遮音壁
KR20030096869A (ko) * 2002-06-18 2003-12-31 이영우 익스팬디드 메탈을 이용한 낙석방지용 울타리
ITRM20030188U1 (it) 2003-10-29 2005-04-30 Autostrade S P A Ora Atlantia S P A Barriera di sicurezza e antirumore.
JP2007115768A (ja) * 2005-10-18 2007-05-10 Ngk Insulators Ltd 電波吸収吸音パネル
WO2007132964A1 (fr) * 2006-05-15 2007-11-22 Ki Soung Park Panneau insonorisant
DK176759B1 (da) * 2008-08-12 2009-06-29 Thomas Willum Jensen Autoværn med stöjdæmpende foranstaltninger
RU94675U1 (ru) * 2010-03-12 2010-05-27 Общество с ограниченной ответственностью "РУСКЛИМАТ" Тепловентилятор
RU98018U1 (ru) * 2010-06-17 2010-09-27 Виктор Петрович Лутков Стеновая панель

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Publication number Publication date
EP3482002A1 (fr) 2019-05-15
JP2019520501A (ja) 2019-07-18
RU2019101505A (ru) 2020-08-11
IL264195A (en) 2019-02-28
CN109563688A (zh) 2019-04-02
BR112019000660A2 (pt) 2019-05-28
RU2771122C2 (ru) 2022-04-26
PL3482002T3 (pl) 2022-05-02
US20190234031A1 (en) 2019-08-01
RU2019101505A3 (fr) 2020-10-07
IL264195B (en) 2022-04-01
DK3482002T3 (da) 2022-01-31
WO2018011080A1 (fr) 2018-01-18
CA3030465A1 (fr) 2018-01-18
KR20190039120A (ko) 2019-04-10

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