EP0744497B1 - Halterung einer Schallschluckwand längs eines Verkehrsweges - Google Patents

Halterung einer Schallschluckwand längs eines Verkehrsweges Download PDF

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Publication number
EP0744497B1
EP0744497B1 EP19960401083 EP96401083A EP0744497B1 EP 0744497 B1 EP0744497 B1 EP 0744497B1 EP 19960401083 EP19960401083 EP 19960401083 EP 96401083 A EP96401083 A EP 96401083A EP 0744497 B1 EP0744497 B1 EP 0744497B1
Authority
EP
European Patent Office
Prior art keywords
panel
elements
support according
panels
posts
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.)
Expired - Lifetime
Application number
EP19960401083
Other languages
English (en)
French (fr)
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EP0744497A1 (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 support or screen anti-noise along a path of movement of vehicles, in particular on a work of art 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 edges vertical.
  • EP-A-0 039 984 describes supports for an acoustic screen with elastic elements applied to the edge of the screen perpendicular to the plane of this screen. Elastic elements allow to absorb vibrations likely to be generated by the wind and by automobile traffic.
  • This rigid fixing of the panels on the vertical posts poses some problems, especially in the case of travel routes on engineering structures such as metal bridges or bridges composites partly made of metal and partly made of concrete, which have some flexibility.
  • This flexibility translates into deformations under load, which cause relative displacements between the panels and the posts on which they are fixed, these displacements can reach values of the order of 10 mm depending on the nature of the structure and the positions of the panels.
  • the means rigid fixing of the panels on the vertical posts are subjected to stresses, in particular fatigue, which are excessive and which can cause their destruction or that of the edges of the panels.
  • these fixing means must also resist 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.
  • the subject of the invention is also a support which allows ensure a good acoustic seal on the edges of the panels in despite the action of the wind.
  • the invention provides for this purpose a support acoustic screen along a travel path of vehicles, in particular on a structure such as example that a bridge, comprising vertical posts mounted along the said track 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 posts aforementioned by elements of elastic material deformable, such as for example studs or rubber or elastomer profiles, which are integral with the edges of the panels and which are themselves fixed by screwing on the aforementioned posts.
  • elements of elastic material deformable such as for example studs or rubber or elastomer profiles
  • 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 ensure thus a continuous acoustic seal along these last. Fastening in compression preload profiles to maintain this tightness whatever 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 similar material are provided between the pads or the profile sections on the vertical edges of the panels to ensure continuous acoustic sealing along of these, if necessary.
  • the above elements are mounted face to face on each vertical edge of a panel above, the concave faces of these elements being facing each other, and the elements are fixed to the posts by bolts which cross their wall of bottom and passing through holes in the edge of the panel, these orifices having a dimension greater than that of bolts to allow panel movement by relative to the bolts in the panel plane which can reach one or more centimeters.
  • each element includes advantageously a rigid frame embedded in the rubber or elastomer of the element and made up a stiffening plate for the bottom wall of the element and two stiffening plates transverse edges provided at the ends of its or its side walls.
  • the acoustic screen shown schematically in Figure 1 consists mainly of panels rectangular 10 whose ends are fixed on vertical posts 12 carried by a base or base rigid 14 which is formed along a travel path vehicles or which is part of a structure such as than a bridge or the like.
  • the panels 10 are in more or less opaque, transparent or translucent material depending on the case, and are traditionally fixed by screwing on vertical posts 12.
  • the panels can also be made up by boxes with perforated walls, which are filled of a material such as glass wool or rock wool.
  • They can have a length of 2 to 5 mm approximately, a height of approximately 0.5 to 1 m and a thickness from 10 to 100 mm approximately, depending on their constitution.
  • the panels 10 are made of a material having relatively low mechanical strength, their vertical edges are fitted with angles or fittings for fixing to the posts 12.
  • the rigid means of fixing the edges of the panels 10 on the posts 12 are subject to stresses, in particular fatigue, excessive due to relative displacements between panels 10 and posts 12 resulting from deformations of the base 14 or of the work of art on which they are mounted.
  • the present invention makes it possible to avoid these disadvantages, thanks to an elastic fixing particular of the panels 10 on the posts 12.
  • the posts 12 are, in a preferred embodiment of the invention, H or I section irons and the panels 10 are fixed on 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 wing holes 16.
  • the vertical edges of the panels 10 are equipped with angles or L-shaped fittings 20 with one wing 22 integral with the vertical edge of the panel 10 and of which the other wing 24 extends in the extension of a large face 26 of the panel, and has holes 28 which are crossed with a more or less important play by the threaded rods or bolts 18.
  • the sections 30 include transverse edges 32 at the ends of their walls side 34 which allows them to be fixed 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 holes allowing them fix by screwing on the wings 24 angles or fittings 20, and the bottom walls 38 of these sections have from place to place orifices 40 for passage threaded rods or bolts 18.
  • stiffening reinforcements 42, 44 can be embedded in the bottom walls 38 and the edges 32 of the profiles, these reinforcements being metallic or in rigid plastic and comprising the orifices 36 and 40 above.
  • the fixing of a screen panel 10 on a post 12 is carried out as follows: 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 arranged in the orifices 28 of the wings 24 of the angles or fittings 20, between the two profiles 30, after which the threaded rods or bolts 18 are engaged in these sections of tube 46 and screwed on the wing 16 of the post 12 until tightening in stop the tube sections 46 between the walls cross sections 30, to put them in predetermined elastic prestress.
  • 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 profiles 30 on either side of the angle iron or fitting 20 safely supports the stresses due to the actions of the wind on panel 10, whatever the sense of wind. This assembly also improves the resistance fire.
  • profiles 30 one can use sections of profile, of the same shape as the profiles 30, but which do not extend over the entire length of the vertical edges of the panels, or of the studs tubular cylindrical having for example a cross section diametral 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 wings 16 of the posts 12 and the wings 24 of the angles 20. This results in a reduction in the cost of the support screen 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)
  • Body Structure For Vehicles (AREA)
  • Building Environments (AREA)

Claims (11)

  1. Halter für eine Schallschutzwand längs einer Strecke für die Bewegung von Fahrzeugen, insbesondere auf einem Ingenieurbauwerk, wie z.B. einer Brücke, umfassend vertikale Pfosten (12), die längs der Strecke montiert sind und auf denen Platten (10), welche die eigentlichen Schutzwände bilden, durch Festschrauben längs ihrer vertikalen Ränder befestigt sind, dadurch gekennzeichnet, daß jede Platte (10) an dem Pfosten (12) durch Elemente (30) aus elastisch deformierbarem Material befestigt ist, wie z.B. Kontaktstücken oder Profilen aus Kautschuk oder aus Elastomer, welche mit den Rändern der Platten (10) fest verbunden bzw. einstückig sind und welche ihrerseits durch Verschrauben auf den vorgenannten Pfosten (12) befestigt sind.
  2. Halter gemäß Anspruch 1, dadurch gekennzeichnet, daß die Elemente (30) zylindrisch oder von U-Querschnitt sind und mit ihren Rändern (34) auf den Platten (10) sowie mit ihrer Bodenwand (38) auf den Pfosten (12) befestigt sind.
  3. Halter gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Elemente (30) eine Kompressionssteifigkeit in einer zu der Platte (10) senkrechten Richtung haben, die weitaus größer als ihre Schersteifigkeit in der Ebene dieser Platte ist.
  4. Halter gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Elemente Profile (30) sind, die sich über die gesamte Länge der vertikalen Ränder der Platten (10) erstrecken und eine kontinuierliche Schalldichtheit längs dieser letzteren sicherstellen.
  5. Halter gemäß einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Elemente zylinderische Kontaktstücke oder Profilabschnitte sind, welche von Ort zu Ort auf den vertikalen Rändern der Platten vorgesehen sind.
  6. Halter gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Elemente (30) zu zweien einander gegenüberstehend auf jedem vertikalen Rand einer Platte montiert sind.
  7. Halter gemäß Anspruch 6, dadurch gekennzeichnet, daß die beiden einander gegenüberstehenden Elemente ihre konkave Seite einander zugewandt haben.
  8. Halter gemäß Anspruch 6 oder 7, dadurch gekennzeichnet, daß die Elemente (30) an den Pfosten (12) durch Gewindebolzen befestigt sind, welche ihre Bodenwand (38) durchsetzen und welche in Öffnungen (28) der Ränder der Platte (10) hindurchgehen, wobei diese Öffnungen eine Dimension haben, die größer als jene der Schrauben oder Gewindebolzen (28) ist, um eine Verlagerung der Platte (10) mit Bezug auf die Schrauben oder Gewindebolzen in der Ebene der Platte zu gestatten, die z.B. in der Größenordnung von einigen Millimetern bis mehreren Zentimetern ist.
  9. Halter gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Elemente querverlaufende Ränder bzw. Flansche (32) an den Enden ihrer seitlichen oder zylindrischen Wände für ihre Befestigung, z.B. durch Verschrauben, auf dem Rand einer Platte (10) umfassen.
  10. Halter gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Elemente (30) auf bzw. über Winkel bzw. Winkelprofile oder Beschläge (20) befestigt sind, die mit den Platten (10) fest verbunden bzw. einstückig sind.
  11. Halter gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Elemente (30) eine starre Armatur umfassen, die in dem Kautschuk oder dem Elastomer der Elemente versenkt ist und von einer Platte (42) für die Versteifung ihrer Bodenwand und von Platten (44) für die Versteifung der Ränder bzw. Flansche (32) ihrer seitlichen oder zylindrischen Wände gebildet ist.
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
FR9506195 1995-05-24
FR9506195A FR2734586B1 (fr) 1995-05-24 1995-05-24 Support d'ecran acoustique le long d'une voie de deplacement de vehicules

Publications (2)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19745110C2 (de) * 1997-10-11 2003-07-10 Roehm Gmbh Befestigungsvorrichtung für Lärmschutzplatten aus Kunststoff an einem Träger
AT502932B1 (de) * 2005-08-30 2008-01-15 Friedrich Wieland Lärmschutzwand
IT1391533B1 (it) * 2008-08-08 2012-01-11 Cir Ambiente S P A Barriera perfezionata.
IT1391534B1 (it) * 2008-08-08 2012-01-11 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
CN117589399B (zh) * 2023-10-26 2024-09-17 桐乡市苏台高速公路投资开发有限公司 小型车作用下π型钢-混连续刚构桥状态快速诊断方法

Family Cites Families (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
AT336069B (de) * 1975-07-31 1977-04-12 Krems Huette Gmbh Schallschutzwand
NL8002686A (nl) * 1980-05-09 1981-12-01 Vapotherm Bv Geluidwerend schot.
NL8303128A (nl) * 1983-09-09 1985-04-01 Alcoa Nederland Bv Geluidsisolerende wand.

Also Published As

Publication number Publication date
EP0744497A1 (de) 1996-11-27
DE69605596T2 (de) 2000-08-17
FR2734586A1 (fr) 1996-11-29
DE69605596D1 (de) 2000-01-20
FR2734586B1 (fr) 1997-07-25

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