EP0744497A1 - Halterung einer Schallschluckwand längs eines Verkehrsweges - Google Patents

Halterung einer Schallschluckwand längs eines Verkehrsweges Download PDF

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Publication number
EP0744497A1
EP0744497A1 EP96401083A EP96401083A EP0744497A1 EP 0744497 A1 EP0744497 A1 EP 0744497A1 EP 96401083 A EP96401083 A EP 96401083A EP 96401083 A EP96401083 A EP 96401083A EP 0744497 A1 EP0744497 A1 EP 0744497A1
Authority
EP
European Patent Office
Prior art keywords
panel
elements
posts
support according
edges
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.)
Granted
Application number
EP96401083A
Other languages
English (en)
French (fr)
Other versions
EP0744497B1 (de
Inventor
Thierry Sieg
Laurent Beaubatie
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.)
Hutchinson SA
Original Assignee
Hutchinson SA
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
Application filed by Hutchinson SA filed Critical Hutchinson SA
Publication of EP0744497A1 publication Critical patent/EP0744497A1/de
Application granted granted Critical
Publication of EP0744497B1 publication Critical patent/EP0744497B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • E01F8/0017—Plate-like elements

Definitions

  • the invention relates to an acoustic screen or anti-noise screen support along a vehicle movement lane, in particular on a civil engineering structure such as a bridge, this support comprising vertical posts mounted along said track and on which panels constituting the screens themselves are fixed by screwing along their vertical edges.
  • This rigid fixing of the panels on the vertical posts poses some problems, in particular in the case of travel paths on engineering structures such as metal bridges or composite bridges made partly of metal and partly of concrete, which have a some flexibility.
  • This flexibility results in deformations under load, which cause relative displacements between the panels and the posts on which they are fixed, these displacements being able to reach values of the order of 10 mm depending on the nature of the structure and panel positions.
  • the rigid fixing means of the panels on the vertical posts are subjected to stresses, in particular of fatigue, which are excessive and which can cause their destruction or that of the edges of the panels.
  • these fixing means must also withstand the stresses resulting from the action of the wind on the panels, which can be quite high.
  • the subject of the invention is an acoustic screen support which has a long service life and which can be used reliably on a relatively flexible structure such as a metallic or semi-metallic bridge.
  • Another subject of the invention is a support which makes it possible to ensure good acoustic sealing on the edges of the panels despite the action of the wind.
  • the invention provides an acoustic screen support along a vehicle movement lane, in particular on a civil engineering structure such as a bridge, comprising vertical posts mounted along said lane. and on which panels constituting the screens themselves are fixed by screwing along their vertical edges, characterized in that each panel is fixed to the aforementioned posts by elements of elastically deformable material, such as for example studs or profiles in rubber or elastomer, which are integral with the edges of the panels and which are themselves fixed by screwing on the aforementioned posts.
  • these elements are cylindrical or U-shaped and are fixed by their edges on the panel and by their bottom walls on the aforementioned posts.
  • the profiles extend over the entire length of the vertical edges of the panels and thus ensure continuous acoustic sealing along the latter.
  • a compression preload fixing of the profiles makes it possible to maintain this seal whatever the wind direction.
  • the elements are sections of profile or cylindrical studs provided from place to place on the vertical edges of the panels. Strips of foam or the like are provided between the pads or the sections of profile on the vertical edges of the panels to ensure continuous acoustic sealing along the latter, if necessary.
  • the aforementioned elements are mounted face to face on each vertical edge of a aforementioned panel, the concave faces of these elements being turned towards one another, and the elements are fixed to the posts by bolts which pass through their bottom wall and which pass through orifices in the edge of the panel, these orifices having a dimension greater than that of the bolts to allow movement of the panel relative to the bolts in the plane of the panel which can reach one or more centimeters.
  • each element advantageously comprises a rigid reinforcement embedded in the rubber or elastomer of the element and consisting of a plate for stiffening the bottom wall of the element. 'element and two stiffening plates of the transverse flanges provided at the ends of its or its side walls.
  • the acoustic screen shown diagrammatically in FIG. 1 essentially consists of rectangular panels 10, the ends of which are fixed to vertical posts 12 carried by a rigid base or base 14 which is formed along a vehicle movement path or which makes part of a structure such as a bridge or the like.
  • the panels 10 are made of a more or less opaque, transparent or translucent material as the case may be, and are traditionally fixed by screwing on the vertical posts 12.
  • the panels can also consist of boxes with perforated walls, which are filled with a material such as glass wool or rock wool.
  • They can have a length of around 2 to 5 mm, a height of around 0.5 to 1 m and a thickness of around 10 to 100 mm, depending on their constitution.
  • the panels 10 are made of a material having a relatively low mechanical resistance, their vertical edges are fitted with angles or fittings for fixing to the posts 12.
  • the rigid means for fixing the edges of the panels 10 to the posts 12 are subjected to excessive stresses, in particular of fatigue, due to the relative displacements between the panels 10 and the posts 12 resulting from deformations of the base 14 or of the structure on which they are mounted.
  • the present invention makes it possible to avoid these drawbacks, by virtue of a particular elastic fixing of the panels 10 on the posts 12.
  • the posts 12 are, in a preferred embodiment of the invention, irons with an H or I section and the panels 10 are fixed to a wing 16 of these irons at by means of threaded rods or bolts 18 which are screwed or fixed in any suitable manner in holes in the wings 16.
  • the vertical edges of the panels 10 are fitted with angles or L-shaped fittings 20, one wing 22 of which is integral with the vertical edge of the panel 10 and the other wing 24 of which extends in the extension of a large face 26 of the panel, and comprises orifices 28 which are crossed with a greater or lesser clearance by the threaded rods or the bolts 18.
  • the profiles 30 have transverse flanges 32 at the ends of their side walls 34 which makes it possible to fix them more conveniently on the wing 24 of the angle iron or fitting 20.
  • the flanges 32 of each profile 30 are formed at regular intervals with orifices making it possible to fix them by screwing on the wings 24 of the angles or fittings 20, and the bottom walls 38 of these profiles have from place to place orifices 40 for the passage of threaded rods or bolts 18.
  • stiffening reinforcements 42, 44 can be embedded in the bottom walls 38 and the flanges 32 of the profiles, these reinforcements being metallic or in rigid plastic and comprising the aforesaid holes 36 and 40.
  • two sections 30 are mounted as shown in FIG. 3 on the two faces of the wing 24 of the angle iron or fitting 20 secured to the panel 10, this mounting being effected for example by screwing when the sections 30 are of the type shown in the figures 4 and 5, after which the vertical edge of the panel 10 provided with the two sections 30 is engaged between the two wings 16 of a post 12 and fixed by the threaded rods or bolts 18 on the internal face of a wing 16.
  • sections of tube 46 forming a spacer can be disposed in the orifices 28 of the wings 24 of the angles or fittings 20, between the two sections 30, after which the threaded rods or bolts 18 are engaged in these sections of tube 46 and screwed onto the wing 16 of the post 12 until the tube sections 46 are clamped in abutment between the transverse walls of the profiles 30, to put the latter in predetermined elastic prestressing.
  • the fixing system constituted by the two profiles 30 mounted face to face on the angle iron or fitting 20 has a stiffness in compression in a direction perpendicular to the plane of the panel 10, which is significantly greater than its shear stiffness in the plane of the panel.
  • the symmetrical mounting of the profiles 30 on either side of the angle iron or fitting 20 makes it possible to safely withstand the stresses due to the actions of the wind on the panel 10, whatever the direction of the wind. This assembly also improves fire resistance.
  • section sections can be used, of the same shape as the sections 30, but which do not extend over the entire length of the vertical edges of the panels, or else tubular cylindrical studs having for example a diametral section of the shape shown in Figure 5.
  • a continuous acoustic sealing can then be ensured, if necessary, by strips of foam or the like arranged between the studs or sections of sections and between the flanges 16 of the posts 12 and the flanges 24 of the angles 20. This results in a reduction in the cost of the screen support according to the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Building Environments (AREA)
  • Body Structure For Vehicles (AREA)
EP19960401083 1995-05-24 1996-05-17 Halterung einer Schallschluckwand längs eines Verkehrsweges Expired - Lifetime EP0744497B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9506195A FR2734586B1 (fr) 1995-05-24 1995-05-24 Support d'ecran acoustique le long d'une voie de deplacement de vehicules
FR9506195 1995-05-24

Publications (2)

Publication Number Publication Date
EP0744497A1 true EP0744497A1 (de) 1996-11-27
EP0744497B1 EP0744497B1 (de) 1999-12-15

Family

ID=9479342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960401083 Expired - Lifetime EP0744497B1 (de) 1995-05-24 1996-05-17 Halterung einer Schallschluckwand längs eines Verkehrsweges

Country Status (3)

Country Link
EP (1) EP0744497B1 (de)
DE (1) DE69605596T2 (de)
FR (1) FR2734586B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19745110A1 (de) * 1997-10-11 1999-05-06 Agomer Gmbh Lärmschutzwandsegment mit Platten aus Kunststoff
EP1760199A2 (de) * 2005-08-30 2007-03-07 Friedrich Wieland Lärmschutzwand
ITBO20080517A1 (it) * 2008-08-08 2010-02-09 Cir Ambiente S P A Barriera perfezionata.
ITBO20080518A1 (it) * 2008-08-08 2010-02-09 Cir Ambiente S P A Barriera.
CN106522117A (zh) * 2016-12-22 2017-03-22 中国铁路总公司 一种圆弧形全封闭声屏障

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2618836A1 (de) * 1975-07-31 1977-02-03 Krems Huette Gmbh Schallschutzwand
AT340988B (de) * 1975-03-19 1978-01-10 Vmw Ranshofen Berndorf Ag Larmschutzwand an verkehrsflachen
EP0039984A2 (de) * 1980-05-09 1981-11-18 Vapotherm B.V. Schalldämpfende Wand
FR2551784A3 (fr) * 1983-09-09 1985-03-15 Alcoa Nederland Bv Paroi d'isolation phonique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT340988B (de) * 1975-03-19 1978-01-10 Vmw Ranshofen Berndorf Ag Larmschutzwand an verkehrsflachen
DE2618836A1 (de) * 1975-07-31 1977-02-03 Krems Huette Gmbh Schallschutzwand
EP0039984A2 (de) * 1980-05-09 1981-11-18 Vapotherm B.V. Schalldämpfende Wand
FR2551784A3 (fr) * 1983-09-09 1985-03-15 Alcoa Nederland Bv Paroi d'isolation phonique

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19745110A1 (de) * 1997-10-11 1999-05-06 Agomer Gmbh Lärmschutzwandsegment mit Platten aus Kunststoff
DE19745110C2 (de) * 1997-10-11 2003-07-10 Roehm Gmbh Befestigungsvorrichtung für Lärmschutzplatten aus Kunststoff an einem Träger
EP1760199A2 (de) * 2005-08-30 2007-03-07 Friedrich Wieland Lärmschutzwand
EP1760199A3 (de) * 2005-08-30 2008-05-07 Friedrich Wieland Lärmschutzwand
ITBO20080517A1 (it) * 2008-08-08 2010-02-09 Cir Ambiente S P A Barriera perfezionata.
ITBO20080518A1 (it) * 2008-08-08 2010-02-09 Cir Ambiente S P A Barriera.
WO2010016013A1 (en) * 2008-08-08 2010-02-11 Cir Ambiente S.P.A. Improved barrier
WO2010016016A1 (en) * 2008-08-08 2010-02-11 Cir Ambiente S.P.A. Antinoise barrier
RU2514289C2 (ru) * 2008-08-08 2014-04-27 Чир Амбьенте С.П.А. Усовершенствованное ограждение
CN106522117A (zh) * 2016-12-22 2017-03-22 中国铁路总公司 一种圆弧形全封闭声屏障

Also Published As

Publication number Publication date
FR2734586B1 (fr) 1997-07-25
DE69605596T2 (de) 2000-08-17
FR2734586A1 (fr) 1996-11-29
DE69605596D1 (de) 2000-01-20
EP0744497B1 (de) 1999-12-15

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