EP2516747A1 - Sound barrier component - Google Patents
Sound barrier componentInfo
- Publication number
- EP2516747A1 EP2516747A1 EP10807309A EP10807309A EP2516747A1 EP 2516747 A1 EP2516747 A1 EP 2516747A1 EP 10807309 A EP10807309 A EP 10807309A EP 10807309 A EP10807309 A EP 10807309A EP 2516747 A1 EP2516747 A1 EP 2516747A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- soundproofing
- component
- soundproofing component
- concrete body
- designed
- 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
Links
- 230000004888 barrier function Effects 0.000 title abstract 4
- 239000006098 acoustic absorber Substances 0.000 claims abstract description 4
- 239000011148 porous material Substances 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 14
- 239000000654 additive Substances 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 7
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 239000008397 galvanized steel Substances 0.000 claims description 2
- 230000003068 static effect Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 9
- 238000009413 insulation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
- E01F8/0029—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with porous surfaces, e.g. concrete with porous fillers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
-
- 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
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
- E01F15/081—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material
- E01F15/083—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material using concrete
Definitions
- the invention relates to a soundproofing component according to the preamble of claim 1.
- soundproofing components such as noise protection panels, known, which are formed from concrete.
- Such conventional soundproofing components have a support body or a base body, which is usually formed of normal concrete, and which forms a load-bearing structure. On this body is then arranged at least one, the expected noise source dressed, layer for absorbing airborne sound.
- a layer is formed, for example, by plant growth or by a layer of a porous material, such as so-called porous lightweight concrete.
- the object of the invention is therefore to provide a soundproofing component of the type mentioned, with which the mentioned disadvantages can be avoided, which is simple and low production costs produced, which meets high static requirements, and which has a, over conventional soundproofing components increased soundproofing.
- Such a soundproofing component is formed, which is formed only from the concrete body. As a result, such a soundproofing component has a simpler construction compared to conventional soundproofing components, and can be produced inexpensively and inexpensively with little manufacturing effort.
- the soundproofing component fulfills the acoustic requirements regarding the absorption capacity of airborne sound by the first surface formed directly by the concrete body. Due to the relatively high density of the additives, an inventive soundproofing component has the necessary static properties to perform this without additional support body made of normal concrete. Due to the high density of the additives, such a soundproofing component furthermore has a high mass, and thus also a high sound insulation capacity.
- FIG. 1 shows a soundproofing component designed as a soundproofing wall
- FIG. 2 shows a first embodiment of a soundproofing component designed as a vehicle restraint system
- FIG. 3 shows a second embodiment of a soundproofing component designed as a vehicle restraint system
- Fig. 4 is designed as a soundproof floor plate soundproofing component.
- a soundproofing component 1 wherein the soundproofing component 1 is formed as a one-piece concrete body 2, wherein the concrete body 2 includes aggregates with a density between 2000 kg m and 3000 kg / m, and wherein at least a first surface 3 of the concrete body 2 is designed as an acoustic absorber for damping airborne sound.
- Such a soundproofing component 1 is formed, which is formed only from the concrete body 2. As a result, such a soundproofing component 1 has a simpler construction compared to conventional soundproofing components 1, and can be produced inexpensively and inexpensively with a low production cost.
- the soundproofing component 1 fulfills the acoustic requirements with respect to the absorption capacity of airborne sound by the first surface 3 formed directly by the concrete body 2. Due to the relatively high density of the additives, an inventive soundproofing component 1 has the necessary static properties to perform this without additional support body of normal concrete.
- Such a soundproofing component 1, due to the high density of the additives further has a high mass, and thus also a high sound insulation capacity.
- a soundproofing component 1 is preferably a component which provides or permits protection against sound. Protection against sound in this context means a reduction of the sound pressure by the soundproofing component 1, which is arranged between a sound source and a sound sink. This preferably includes any type or cause of the reduction of this sound pressure level by the soundproofing component 1, for example due to sound attenuation, sound insulation, transmission losses within the soundproofing component 1 and / or reflection losses when the sound waves strike the first surface 3.
- a component in the sense of a soundproofing component 1 according to the invention preferably designates a structural component or building, which is designed as a one-piece concrete body 2.
- the concrete body 2 contains or comprises aggregates with a density between 2000 kg / m 3 and 3000 kg / m 3 .
- the additives are preferably mineral and / or organic grains or particles. It is particularly preferred that the aggregates have a bulk density between 2700 kg / m and 2900 kg / m.
- the bulk density refers to the density of the aggregate, therefore without the free spaces between the individual grains.
- the aggregates have a bulk density greater than 1200 kg / m 3 , the bulk density denoting the density, including the spaces between the individual grains or particles, therefore the total mass based on the total volume.
- At least a first surface 3 of the concrete body 2 is formed as an acoustic absorber for damping airborne sound, therefore, that the first surface 3 is formed for damping airborne sound impinging on this first surface 3.
- at least the first surface 3 has pores of predetermined size.
- a pore is preferably a depression or an opening in or adjacent to the first surface 3. Regions are created through the pores in which energy is removed from the sound waves. Starting from the frequency range in which the first surface 3 is supposed to be effective, the dimensions, hence the dimensions or the size of the pores, result, which can determine both the depth and a surface or shape of the individual pores.
- the pores are effective as an acoustic damper, provided that these pores have dimensions in the order of the wavelength of the airborne sound waves to be damped.
- the additives have particles with predefinable particle sizes.
- grain fractions of 1/4 mm, 2/4 mm, 4/8 mm or 8/12 mm are provided, the indication 2/4 mm indicating that the aggregates granules with dimensions or grain sizes, also referred to as grain size of 2 mm to 4 mm.
- small amounts, in particular less than 20% by weight of the added additives, of aggregates with a grain size of 0 to 1 mm may be provided, which in this sense are fine grain aggregates can be designated.
- the particles of the additives have a discontinuous grading curve.
- a discontinuous grading curve refers to the fact that certain specifiable grain sizes are not present in the aggregates.
- a specification of the type, number and size of the pores can also be achieved.
- the pores are formed in the two aforementioned preferred embodiments of the concrete body 2, as already stated, by free spaces between individual particles of the aggregates.
- the concrete body 2 at least partially has cavities, wherein it is provided in particular that at least two adjoining cavities are in communication with each other.
- These cavities designate cavities in the interior of the concrete body, and are preferably formed by adjoining particles of the aggregates. Through these cavities, the internal damping, and thus the sound absorption can be increased, since there is in each cavity - at least in certain frequency ranges - to a radiation of airborne sound, which in turn impinges on another particle, both processes are lossy.
- the open arrangement of the particles has a strongly damping or absorbing effect on the transmission of structure-borne sound within the concrete body 2.
- a plurality of the cavities are in communication with each other and thus formed cavities open into pores of the first surface 3.
- the cavities pass through the concrete body 2 in the manner of a sponge.
- the concrete body 2 is free of passage openings, which would worsen the sound insulation properties or the sound absorption properties.
- it may be provided to form the concrete body 2 as haufwerksporiger concrete.
- an inventive soundproofing component 1 without additional supporting body of normal concrete or the like gets along or can get along, as otherwise at Soundproofing components according to the prior art is provided.
- An inventive soundproofing component 1 therefore preferably has a substantially homogeneous construction, whereby the additional load-bearing components can be dispensed with, since soundproofing components 1 according to the invention are capable of absorbing the static loads occurring in use.
- a reinforcement is arranged in the concrete body 2, which may be any type of reinforcement suitable for concrete.
- a substantially corrosion-resistant reinforcement is provided, since due to the cavities moisture can penetrate well into the interior of the concrete body 2.
- the reinforcement comprises galvanized steel.
- the reinforcement is designed as at least two-dimensional framework or structure.
- Soundproofing components 1 according to the invention have a high sound absorption, wherein, for example, a sound absorption of more than 8 dB (A) can already be achieved with a component thickness of 18 cm.
- Fig. 1 shows a soundproofing component 1, which is designed as a soundproof wall 4.
- This soundproof wall 4 may have a reinforcement, wherein the soundproof wall 4 is self-supporting in itself, and therefore requires no further support means or holding arrangements.
- the soundproof wall 4 further has a base, and is free-standing.
- Soundproofing components 1 according to the invention can also be designed as panels for a soundproof wall 4. Such panels are held approximately in rails or uprights.
- FIG. 2 and 3 show a first and a second embodiment of a designed as a vehicle restraint system 6 for limiting a roadway soundproofing component 1.
- a vehicle restraint system 6 for limiting a roadway soundproofing component 1.
- Fig. 2 therefore shows a vehicle restraint system 6, which is formed as a one-piece concrete body 2
- Fig. 3 shows a vehicle restraint system 6, which has a support body 7, which is formed approximately from normal concrete.
- FIG. 4 also shows a soundproofing component 1 according to the invention, which is designed as a soundproofing floor panel 5.
- a soundproofing component 1 according to the invention, which is designed as a soundproofing floor panel 5.
- Such soundproof floor panels 5 are preferably provided in so-called. Fixed carriageways in the area of track systems for rail vehicles, as shown in Fig. 4. As a result, the sound emitted by a track system can be significantly reduced.
- the noise in a train can be reduced, which travels such a equipped route, as the sound generated by the train is reflected in only a very small amount of the track system and now no longer or greatly reduced impinges on the underside of the train , Especially in tunnels, the use of such soundproofing floor panels 5 is preferred because, in addition to the significant reduction in noise, this also makes it possible to drive on the track system by emergency vehicles.
- soundproofing floor panels 5 according to the invention it is possible - as already stated - to dispense with a special profiling, as is known, for example, in the form of panels with wave- or pyramid-shaped surfaces in the area of sound absorption.
- soundproofing floor panels 5 can also form the floor of an escape route, since these do not pose a risk of tripping for fleeing people due to their essentially flat surface.
- soundproof floor panels 5 have a high sound absorption, with a component thickness of 18 cm already a sound absorption of more than 8 dB (A) can be achieved.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201031460A SI2516747T1 (en) | 2009-12-23 | 2010-12-09 | Sound barrier component |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT20332009A AT509243B1 (en) | 2009-12-23 | 2009-12-23 | ACOUSTIC COMPONENT |
PCT/AT2010/000472 WO2011075755A1 (en) | 2009-12-23 | 2010-12-09 | Sound barrier component |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2516747A1 true EP2516747A1 (en) | 2012-10-31 |
EP2516747B1 EP2516747B1 (en) | 2017-02-22 |
Family
ID=43640137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10807309.9A Active EP2516747B1 (en) | 2009-12-23 | 2010-12-09 | Sound barrier component |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2516747B1 (en) |
AT (1) | AT509243B1 (en) |
CH (1) | CH704558B1 (en) |
HU (1) | HUE032079T2 (en) |
SI (1) | SI2516747T1 (en) |
WO (1) | WO2011075755A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202013102762U1 (en) * | 2012-09-10 | 2013-07-10 | Kirchdorfer Fertigteilholding Gmbh | Ortbetonschutzwand |
AT522682B1 (en) * | 2019-10-11 | 2021-01-15 | Kirchdorfer Fertigteilholding Gmbh | HUMP CONCRETE FOR A SOUND PROTECTION COMPONENT |
AT526294A1 (en) | 2022-07-05 | 2024-01-15 | Kirchdorfer Fertigteilholding Gmbh | TRACK COVER PLATE |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9208235U1 (en) * | 1992-06-19 | 1992-08-27 | Ed. Züblin AG, 7000 Stuttgart | Plate-shaped, sound-absorbing element as a construction element for noise barriers on roads |
FR2714681B1 (en) * | 1994-01-04 | 1996-03-08 | Sncf | Acoustic protection screen element made of metal fiber concrete and use of such elements along a railway bridge. |
DE4417402A1 (en) * | 1994-05-18 | 1995-11-23 | Gruenzweig & Hartmann Montage | Sound insulating device for noise abatement on rail tracks |
FR2759716B1 (en) * | 1997-02-20 | 1999-06-04 | Colas Sa | BARRIER AND ABSORBENT ELEMENT FOR A BARRIER |
NL1018376C2 (en) * | 2001-06-25 | 2003-01-07 | Sideron Internat B V | System for screening roads, paths, machines and industry is provided with two-sided sound-absorbing barrier and two-sided, sound-absorbing and translucent top system |
US20040148876A1 (en) * | 2002-06-13 | 2004-08-05 | Mcmanus Kerry John | Sound barrier |
DE102005013205A1 (en) * | 2005-03-20 | 2007-02-22 | Terraelast Ag | Noise barrier and method for the production of a noise barrier |
DE202006008233U1 (en) * | 2006-05-22 | 2006-08-10 | Heberger System-Bau Gmbh | Concrete wall panel with acoustic damping has integral metal edge plates to secure the steel reinforcing |
DE102006033061A1 (en) * | 2006-07-14 | 2008-01-17 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Sound protection element used in the building industry comprises a reinforced concrete core with a surface coating containing a fireproof lightweight aggregate |
-
2009
- 2009-12-23 AT AT20332009A patent/AT509243B1/en active
-
2010
- 2010-12-09 HU HUE10807309A patent/HUE032079T2/en unknown
- 2010-12-09 EP EP10807309.9A patent/EP2516747B1/en active Active
- 2010-12-09 WO PCT/AT2010/000472 patent/WO2011075755A1/en active Application Filing
- 2010-12-09 SI SI201031460A patent/SI2516747T1/en unknown
- 2010-12-09 CH CH00873/12A patent/CH704558B1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2011075755A1 * |
Also Published As
Publication number | Publication date |
---|---|
AT509243B1 (en) | 2012-01-15 |
AT509243A1 (en) | 2011-07-15 |
HUE032079T2 (en) | 2017-08-28 |
WO2011075755A1 (en) | 2011-06-30 |
SI2516747T1 (en) | 2017-06-30 |
CH704558B1 (en) | 2015-01-15 |
EP2516747B1 (en) | 2017-02-22 |
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