WO1998001625A1 - Screen, mainly for noise attenuation - Google Patents
Screen, mainly for noise attenuation Download PDFInfo
- Publication number
- WO1998001625A1 WO1998001625A1 PCT/DK1997/000306 DK9700306W WO9801625A1 WO 1998001625 A1 WO1998001625 A1 WO 1998001625A1 DK 9700306 W DK9700306 W DK 9700306W WO 9801625 A1 WO9801625 A1 WO 9801625A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- screen
- screen unit
- support means
- joint member
- mounting
- Prior art date
Links
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
- E01F8/0017—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
- E01F8/0023—Details, e.g. foundations
Definitions
- the present invention relates to a screen, mainly for noise attenuation, as defined in the introduction to claim 1.
- Such screens are used in for example dense urban environments wherein a high traffic load cannot be avoided and wherein the noise nuisances may cause substantial problems to the people being there or living close to such trafficked areas.
- Such screens may advantageously be transparent so that they will not block the view or be taken as visual "boundaries" in the urban enrironment. Moreover, for safety reasons for example, the screens may also be made semitransparent . Besides the primary function of noise attenuation, such screens are also suitable for physical screening, for example for increasing traffic safety or for providing shelter.
- an attachment system for mounting a number of glass or plastic plates end to end wherein an intermediate rectangular, vertical steel profile connects and supports two adjacent plates. On one side thereof the steel profile is connected to a clip bar via bolts. In the intermediate area between the profile and the clip bar there are provided two vertically extending U-shaped profiles made of flexible plastic, wherein two adjacent glass plates are wedged. Alternatively, the steel profile may be designed to have an H-shape.
- the attachment system may advantageously be a component of a noise attenuation screen .
- Patent specification US-A-4 214 411 describes a similar sound barrier wherein a number of vertical, H-shaped profiles each secure two plastic plates. At either end facing the profiles the plates are provided with a bend engaging a vertical round stick secured to the profile. The plates are mounted under a certain stress, and due to the resilience of the plates and the round sticks the structure can absorb changes in temperature and actions of the air so that the plates are more capabable of withstanding these over time. The structure has also been made acoustically proof at its lower end in that the plates are furthermore fixed in a bar facing the ground.
- attachment systems are intended for a linear erection and require an accurately measured and completely plane base for the shown standard modules just as relatively heavy demands are made on the tolerances of the system, including those of the plates. Mounting of and replacement of individual plates are moreover estimated to require a relatively heavy workload.
- the screen is capable of withstanding substantial wind loads by a minimum of material consumption.
- the screen as defined according to claims 1 and 2 is moreover advantageous in that vibrations, which are for example generated by wind action, are effectively dampened.
- the invention is moreover advantageous in that the joint member forms a tight seal applying a minimum of parts .
- An advantage obtained by the screen according to the invention is that the suspension is very simple in the sense that the only critical tolerance by the erection of the screening is the fact that the support means should be mainly parallel, which is most simply achieved by ensuring that the support means are erected vertically a certain distance from each other, which, however, may vary by a considerable tolerance.
- the invention is moreover advantageous in that the mounting means will ensure that the individual screen units are not exposed to adverse stresses by actions of the wind.
- Fig. 1 is a lateral view of the screen according to the invention in its entirety.
- Fig. 2 is a lateral view of the screen according to the invention from a direction perpendicularly to the one shown in fig. 1.
- Fig. 3a is a top view of a section of the screen in fig. 1 comprising a support means, two screen units, mounting means and a first embodiment of a joint member.
- Fig. 3 shows another embodiment of a joint member, but otherwise corresponding to fig. 3a.
- Figs. 4, 4a, 5 and 6 show details of the mounting means seen laterally of the screen.
- Fig. 7 is a side view of the support means secured to a base.
- Fig. 8 is a side view of the support means mounted in connection with an edge beam of a bridge and a crash barrier of a bridge.
- the screen according to the invention is based on three main components: A preferably plane screen unit 10 made of glass or plastic; a support means 1, which advantageously consists of an extruded profile, and a set of mounting means 3 - 7, 9 and 9' supporting respective screen units 10 on the support means 1.
- the screen according to the invention is erected in such a manner that the individual screen units 10 suspend between the respective support means 1 and in such a manner that the screen units 10 are placed end to end. Furthermore, the individual screen units 10 on the support means 1 are placed in such a manner that the screen units overlap in the horizontal direction of the screen.
- the screen which therefore basically consists of a number of connected screen units, provides a very high degree of freedom of erection, which is secondary to the prevailing, local conditions.
- the screen is capable of winding vertically as well as horizontally and of following the curves of the road or the landscape, where it is to be erected, in that the top edge of the individual screen units does not necessarily have to be flush just as two adjacent screen units may be arranged angularly relative to each other seen from above. Besides, there is nothing to prevent the screen from taking a completely linear course.
- each screen unit 10 is supported by a number of mounting means 3 - 7 in such a manner that each respective support means 1 supports a respective screen unit 10 in at least two points.
- the height of the screen can be adapted to the given conditions.
- Several screen units of a set standard size may particularly advantageously be connected by means of a number of horizontal fitting strips 9 ' of for example aluminium, plastic or glass above and in direct continuation of each other. These fitting strips 9' are secured directly to the mounting means 3 - 7.
- the mounting means 3 - 7, by means of which the individual screen units 10 suspend from the support means 1, will be dimensioned to carry a certain load and they will therefore be suitable for carrying one or two screen units 10 of a given standard size.
- the support means 1 consists of an extruded profile describing an oval basic form and having two longitudinal grooves 2 at either side of the profile wherein a number of clamping devices 3 can be inserted and be fixedly secured.
- the support means 1 is arranged in such a manner that the long axis of the oval profile is mainly at right angles to the screen units 10. In most applications the support means will have the shape of a column.
- a known aluminium profile complete with clamping devices 3 from the firm Alusuisse TM is used.
- This structure has the advantage, among other things, that the clamping devices 3 can be inserted directly into the grooves from a direction perpendicularly to the profile and then be fastened by means of a bolt (not shown). The clamping devices can subsequently be slackened and slid up and down for adjustment in the longitudinal direction of the groove.
- the support means is advantageously erected in a vertical position on a concrete base 12, wherein over embedded anchors 15 there is provided an embedded ba.seplate 13 on which the support means can be secured. See figs. 1, 7 and 8.
- a strength profile (not shown) can form part of the lower, inner part of the support means for increasing the strength thereof.
- the top of the support means 1 is covered by a cover 11, for example made of plastic or aluminium, preventing penetration of rain water and dirt into the profile. Also the bottom of the profile may be provided with a cover, as shown in fig. 8.
- the preferred structure of the support means 1 shown in the drawing may be exposed to noticeable deflections by full wind load. It is therefore particularly advantageous that the mentioned support at certain points of the individual screen units 10 does not result in any forced deformation thereof caused by the deflection of the support means.
- the individual screen units 10 will not interact in the lateral direction of the screen, whereby expansions due to changes in temperature will occur freely and thus not give rise to any problems.
- the mounting means 3 - 7, which will now be further described with particular reference to figs. 3 - 6, are of two types :
- the first type of mounting means comprises, apart from the mentioned clamping device 3, a short connecting piece 4 which is interconnected to an insert fitting 6, which engages a fitting strip 9, 9' gripping the edge of a screen unit 10.
- the insert fitting 6 is provided with a groove 2 wherein the connecting piece 4 may rotate. This allows the screen unit 10 to be rotated about an axis which is parallel to the support means 1, prior to its final attachment .
- the second type of mounting means is built up by a longer connecting piece 5 which is hinged to an arm 7, which again is connected to a mounting means 6 of the same type as mentioned above and which is likewise connected to a fitting strip 9, 9 ' .
- the second type of mounting means allows the thus supported screen unit 10 to be rotated about two different axes, which are parallel to the support means 1, and to be slideable in a plane perpendicularly to the support means 1.
- each mounting means supports one of two adjacent screen units 10.
- the mounting means are advantageously cast in aluminium.
- the fitting strip 9 placed at the top of the support means is a short strip. This strip may, if desired, be cast, whereas the fitting strip 9' consists of a longer, for example extruded strip with an H- shaped cross-section.
- the fitting strip 9' will appear from figs. 3 and 3a.
- Each screen unit 10 will in its most simple and cheap design be plane and rectangular and will advantageously be made of glass, for example having a thickness of 8 mm, corresponding to a mass of about 20 kg/m2, meaning that the sound penetration through the screen may be considered imperceptible relative to the sound which is spread across the screen. In tests with screen units of this weight composed into a screen of a height of 3 , measurements show that a soundproofing of about 8 dB is achieved. It is possible to use other materials than glass for the screen units. Where there is for example a risk of damages and screen units falling down, plastic or hardened laminate glass may be applied.
- each individual screen unit 10 is provided with a joint member 8, 8' consisting of an elastomer or rubber and placed close to and along a side edge of the respective adjacent screen units.
- a first embodiment of the joint member 8' shown in fig. 3a, is for example glued directly onto the screen unit and protrudes from the screen unit at an angle which advantageously is within the range of 25° to 75° such that when mounted against an adjacent screen unit, the joint member 8' will always bend to the same side, and such that the member can be attached under a suitable stress.
- the joint member 8' may describe a slightly arched profile.
- the joint member 8' will form an integral part of the screen unit 10, which contributes to rendering the mounting of the screen as well as replacement of individual screen units extremely simple.
- a wave-shaped joint member 8 is shown in the embodiment in fig- 3a.
- This joint member 8 is secured at the end of the fitting strips 9 of two respective adjacent screen units, for example by being screwed into same. Furthermore, the joint member 8 may be glued onto the screen units 10 after the mounting of the screen units on the support means.
- the screen units are suspended asymmetrically relative to each of the support means in that the two adjacent screens are laterally staggered relative to the support means.
- the screens are situated on one side of the support means 1 at an inclined angle to the support means viewed from above.
- This asymmetrical placing of the screen units 10, the intermediate flexible joint member 8, 8' and the placing of the support means 1 with its longest axis of the oval cross-section mainly perpendicularly to the screen units 10 contribute to effectively dampening vibrations, which may occur by a heavy wind load on the screen.
- the two-sided load of the support means 1 is also advantageous in that it is thereby loaded more evenly.
- the strength of the support means may be increased by attaching an outer stiffening member, which is easily secured to the profile by means of the mentioned clamping device 3 within a location groove 2.
- Such an outer stiffening member may extend at an inclined angle from the support means to a position on for example the base at a certain lateral distance from the support means, just as it may be secured to objects, including buildings, by means of suitable fittings.
- Fig . 7 shows an example of how the screen according to the invention may be mounted on a concrete base.
- the attachment takes place by means of a baseplate 13, which is reinforced by a so-called RHS-profile.
- the baseplate is secured to the top of the concrete base, which ensures that the screen will withstand even heavy moment loads.
- an acoustic closing plate 16 which may consist of glass or plastic and which is lowered into the underlying bed. This plate may also consist of other easily worked materials.
- the support means 1 is secured to a bracket 19, which in its turn is secured to a crash barrier or an edge of a bridge 18.
- the crash barrier is provided with an upper part 14.
- an acoustic closing plate 17 which can be bent, and which may for example consist of aluminium.
- the noise attenuation screen may also have its foundation on members which are driven into the underlying bed.
- the support means with a baseplate can be mounted thereon within an adequate tolerance.
- the noise attenuation screen according to the invention is not only limited to mounting on columnar profiles in that also shorter profiles with vertical grooves mounted on buildings, for example, may be applicable.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Road Signs Or Road Markings (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69725313T DE69725313T2 (de) | 1996-07-09 | 1997-07-08 | Schutzwand |
DK97929145T DK0910704T3 (da) | 1996-07-09 | 1997-07-08 | Skærm, fortrinsvis til skærmning mod støj |
EP97929145A EP0910704B1 (en) | 1996-07-09 | 1997-07-08 | Screen, mainly for noise attenuation |
AU33366/97A AU3336697A (en) | 1996-07-09 | 1997-07-08 | Screen, mainly for noise attenuation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK76796 | 1996-07-09 | ||
DK0767/96 | 1996-07-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998001625A1 true WO1998001625A1 (en) | 1998-01-15 |
Family
ID=8097327
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DK1997/000306 WO1998001625A1 (en) | 1996-07-09 | 1997-07-08 | Screen, mainly for noise attenuation |
PCT/DK1997/000308 WO1998001626A1 (en) | 1996-07-09 | 1997-07-09 | Post, mainly for road equipment |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DK1997/000308 WO1998001626A1 (en) | 1996-07-09 | 1997-07-09 | Post, mainly for road equipment |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP0910704B1 (da) |
AU (2) | AU3336697A (da) |
DE (2) | DE69725313T2 (da) |
DK (2) | DK0910704T3 (da) |
WO (2) | WO1998001625A1 (da) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1283303A2 (de) | 2001-08-07 | 2003-02-12 | Jens Fugl | Lärmschutzwand |
DE10312783A1 (de) * | 2003-03-21 | 2004-09-30 | Röhm GmbH & Co. KG | Lärmschutzwandsystem aus einem Sockel und einem transparenten Aufsatz |
CH706689A1 (de) * | 2012-06-21 | 2013-12-31 | ombra ag | Befestigungsprofil zum Befestigen bzw. Aufstellen von Absperrungseinrichtungen. |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201212888D0 (en) * | 2012-07-19 | 2012-09-05 | Signpost Solutions Ltd | Support assembly |
EP2910846B1 (de) * | 2014-02-24 | 2016-07-20 | Hella KGaA Hueck & Co. | Beleuchtungseinheit und Trägerkörper für die Beleuchtungseinheit |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4214411A (en) * | 1978-01-16 | 1980-07-29 | The Fanwall Corporation | Panel and joint system and transparent acoustic barriers employing same |
EP0213521A1 (de) * | 1985-08-24 | 1987-03-11 | Röhm Gmbh | Verglasungssprosse |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE389705B (sv) * | 1972-08-25 | 1976-11-15 | L Svensson | Stolpe |
SE447590B (sv) * | 1985-06-18 | 1986-11-24 | Lars Svensson | Stolpe |
IT206748Z2 (it) * | 1986-01-28 | 1987-10-01 | Aluminia Spa | Profilato estruso multifunzionale in alluminio, sue leghe e simili, costituente un elemento modulare particolarmente adatto per arredo urbano. |
GB2285070A (en) * | 1993-12-24 | 1995-06-28 | Michael Peter Gifford Hull | Sign system |
-
1997
- 1997-07-08 WO PCT/DK1997/000306 patent/WO1998001625A1/en active IP Right Grant
- 1997-07-08 AU AU33366/97A patent/AU3336697A/en not_active Abandoned
- 1997-07-08 DE DE69725313T patent/DE69725313T2/de not_active Expired - Fee Related
- 1997-07-08 EP EP97929145A patent/EP0910704B1/en not_active Expired - Lifetime
- 1997-07-08 DK DK97929145T patent/DK0910704T3/da active
- 1997-07-09 EP EP97930362A patent/EP0910705B1/en not_active Expired - Lifetime
- 1997-07-09 WO PCT/DK1997/000308 patent/WO1998001626A1/en active IP Right Grant
- 1997-07-09 AU AU34340/97A patent/AU3434097A/en not_active Abandoned
- 1997-07-09 DE DE69738765T patent/DE69738765D1/de not_active Expired - Fee Related
- 1997-07-09 DK DK97930362T patent/DK0910705T3/da active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4214411A (en) * | 1978-01-16 | 1980-07-29 | The Fanwall Corporation | Panel and joint system and transparent acoustic barriers employing same |
EP0213521A1 (de) * | 1985-08-24 | 1987-03-11 | Röhm Gmbh | Verglasungssprosse |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1283303A2 (de) | 2001-08-07 | 2003-02-12 | Jens Fugl | Lärmschutzwand |
EP1283303A3 (de) * | 2001-08-07 | 2003-12-17 | Jens Fugl | Lärmschutzwand |
DE10312783A1 (de) * | 2003-03-21 | 2004-09-30 | Röhm GmbH & Co. KG | Lärmschutzwandsystem aus einem Sockel und einem transparenten Aufsatz |
WO2004083525A1 (de) * | 2003-03-21 | 2004-09-30 | Röhm Gmbh & Co.Kg | Lärmschutzwandsystem aus einem sockel und einem transparenten aufsatz |
US7568553B2 (en) | 2003-03-21 | 2009-08-04 | Roehm Gmbh & Co. Kg | Noise barrier system composed of a base with a transparent superstructure |
CH706689A1 (de) * | 2012-06-21 | 2013-12-31 | ombra ag | Befestigungsprofil zum Befestigen bzw. Aufstellen von Absperrungseinrichtungen. |
AT14219U1 (de) * | 2012-06-21 | 2015-06-15 | ombra ag | Befestigungsprofil und Set mit Rollwand oder Rollband |
Also Published As
Publication number | Publication date |
---|---|
WO1998001626A1 (en) | 1998-01-15 |
DE69725313D1 (de) | 2003-11-06 |
EP0910705B1 (en) | 2008-06-11 |
EP0910704B1 (en) | 2003-10-01 |
DE69738765D1 (da) | 2008-07-24 |
DK0910705T3 (da) | 2008-10-06 |
EP0910704A1 (en) | 1999-04-28 |
DK0910704T3 (da) | 2004-01-19 |
AU3336697A (en) | 1998-02-02 |
AU3434097A (en) | 1998-02-02 |
DE69725313T2 (de) | 2004-08-12 |
EP0910705A1 (en) | 1999-04-28 |
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