EP3436639B1 - Railway or tramway track with a low noise barrier comprising modular panels - Google Patents
Railway or tramway track with a low noise barrier comprising modular panels Download PDFInfo
- Publication number
- EP3436639B1 EP3436639B1 EP16784129.5A EP16784129A EP3436639B1 EP 3436639 B1 EP3436639 B1 EP 3436639B1 EP 16784129 A EP16784129 A EP 16784129A EP 3436639 B1 EP3436639 B1 EP 3436639B1
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- EP
- European Patent Office
- Prior art keywords
- railway
- track
- modular
- tramway
- track according
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- 230000004888 barrier function Effects 0.000 title claims description 21
- 230000014759 maintenance of location Effects 0.000 claims description 17
- 238000013016 damping Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 230000008020 evaporation Effects 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 10
- 239000004567 concrete Substances 0.000 claims description 9
- 244000025254 Cannabis sativa Species 0.000 claims description 7
- 241000196324 Embryophyta Species 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 241000254173 Coleoptera Species 0.000 description 1
- 241000938605 Crocodylia Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- 241000255777 Lepidoptera Species 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- 241000238633 Odonata Species 0.000 description 1
- 241000220286 Sedum Species 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
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- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 230000003014 reinforcing effect Effects 0.000 description 1
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Images
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
- E01F8/02—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise
- E01F8/021—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise with integral support structure
- E01F8/025—Gabion-type
Definitions
- the technical solution relates to a railway or tramway track with modular panels of a low noise barrier reducing noise and vibration and arranged outside the track, wherein the modular panels reducing noise and vibration contain at least one non-humic layer, which absorbs water, reduces the rate of its flow and outflow and allows its evaporation, as defined in the preamble of claim 1.
- noise barriers are most commonly used. These noise barriers are made of boards or panels placed along the railway or tramway track. Another option is using horizontal structural pads from noise and vibration absorbing materials, which fill the track space, or it is possible to use a combination of both types of measures.
- modular panels with interlocking edges and vertical chambers, which are made from a porous sound-absorbing material, based, e.g., on wooden fillers, wood shavings, and are cement-bonded, whereby these modular panels are on the outer sides of the railway track supplemented with low concrete prefabricated noise barriers.
- the rail track composed of a rail grid with gravel ballast or a solid railway, contains systems of inner and outer panels with at least one sound absorbing layer, a system of clamp stabilizers and a directional barrier.
- the aim of the technical solution is to eliminate or at least minimize the disadvantages of the background art, especially to allow the building of railway tracks with a continuous arrangement of the railway substructure and superstructure for maintaining the same stiffness of the track construction in the longest possible section, while reducing effectively noise and vibration levels and allowing to build the so-called green tracks with lowered costs of maintaining green areas, i.e. with improved water retention and evaporation in the track area.
- the advantage of the proposed solution is the fact that it can be used both on the tracks with a conventional railway superstructure composed of rails, transverse sleepers and gravel ballast, and on railways with a solid carriageway composed of rails and a concrete slab without gravel ballast.
- the solution can be in its embodiment preferably used also on railway tracks built on bridge constructions, where it can at the same time create escape routes for passengers and operating staff in case of accidents or emergencies.
- the actual modular panels are formed by a wire supporting spatial structure from surface protected iron, into which are inserted individual sound absorbing and optionally acoustically reflective layers and a retention pad, which consists of recycled synthetic materials or a stone agglomerate or wad, whereby these layers are sandwich arranged in the wire spatial structure and extend in the vertical direction.
- the sandwich layered panel thus created is on the side adjacent to the railway track always provided with a sound absorbing layer, which is in a preferred embodiment accompanied by a fair-faced wall with spatial recesses to ensure sufficient noise attenuation.
- the panel On the side away from the rail track the panel is composed of sloping structuring of the individual layers forming a cascade for planting live vegetation and/or forming a sloping surface for installing an artificial grass carpet.
- the individual modular panels may be mutually mechanically connected by wire spirals and/or clamps.
- the modular panels of the low noise barrier with the function of water retention are designed on the side facing the track in such a manner that the shielding wall is rounded by at least one parabolic surface, wherein the focus of the parabola preferably lies outside the track on the edge of the gravel ballast or the gravel addition of the solid railway.
- the shielding wall enhances the efficiency of the panel in noise and vibration attenuation.
- the modular panels are for increasing the overall structural stiffness provided with a rigid air soundproof plate and/or a stone layer in their inner part.
- the modular panels are in their lower part formed by a rigid plate from recycled rubber, concrete or cement composites.
- the modular panels are supplemented with at least one set of pores from air permeable materials or stone dams.
- the modular panels with the function of water retention comprise a core consisting of retention layers, which are supplemented and/or interspersed with fine aggregate with an admixture of humus soils and the actual surface casing of the panel is formed by a stone dam with xerophilous plants or bushes, whereby the thus formed panel creates organic space for living invertebrates and insects, such as xerophilous species of butterflies, beetles, hymenoptera, Diptera, or hydrophilic species of bugs, dragonflies, etc., including small mammals or reptiles.
- This embodiment of the utility model creates new living space within the existing environmental structuring of the townscape and, at the same time, compensates for the areas occupied by the construction or modernization of the rail track.
- the modular panels have a sloping or cascade design so that they could be placed at the end of the sets of low noise barriers.
- the upper surface of the modular panels is covered with a humic layer with vegetation cover, most often with various types of grass or sedum.
- the upper surface of the modular panels is covered with an artificial grass carpet, mechanically attached to the surface of the individual absorbant layers and/or bonded or mechanically attached to the supporting portion of the wire structure of the modular panel.
- the non-humic layer is composed of water absorbing and water permeable synthetic clumps. According to another embodiment, the non-humic layer is composed of a water permeable porous agglomerate from non-absorbent inert materials.
- the modular panels have a spatial recess in their bottom to hold water and/or allow water drainage from the panel.
- the modular panels contain transverse vertical stiffeners.
- the non-humic layer is planted with plants.
- Figs. 1 to 7 whereby the principle consists in the fact that at least one non-humic layer is inserted into a modular panel of a low noise barrier, whereby this layer absorbs water, reduces the rate of its flow and outflow and, at the same time, allows its evaporation.
- the non-humic layer we understand a layer which does not contain soil or, more specifically, soil for growing plants.
- Fig. 1 shows a railway or tramway track comprising rails 1 , which are mounted in fastening systems 2 on transverse sleepers 24 forming a rail grid mounted in gravel ballast 25 , which is mounted on the unmarked structure of the substructure of the track comprising a drainage system of the earth subgrade.
- the distance between the axes of the transverse sleepers 24 is determined by a respective regulation, most often being in the range from 600 to 800 mm.
- the individual modular panels 3 with the function of water retention contain a specific number of, but at least one, retention and damping pad 15 , whereby the individual modular panels 3 are demoted in sets outside the track and are mutually connected by means of connecting spirals or clamps 7.
- the set of modular panels of the low noise barrier with the function of water retention is mounted on a compacted gravel cushion 8 , which may be on both sides lined with concrete curbs 9 or by unillustrated concrete prefabricated parts in the form of the letter L or T.
- a compacted gravel cushion 8 On the side away from the rail track the modular panel is provided on its sloping surface 12 with a humic layer 10 , which fills gaps in cascades 11 of the retention and damping pads 15.
- the sloping surface 12 is preferably planted with suitable ground cover plants or bushes 13. In an unillustrated embodiment, the sloping surface 12 may be created without a humic layer 10 and a carpet of artificial grass 14 is installed on it surface.
- the retention and damping pads 15 are composed of a recycled wadding synthetic material, e.g., the recyclate available under the trade name STERED, which is manufactured according to SK UV 6673, where the density of the individual parts of the sandwich layering of the retention and damping pads 15 determines not only specific retention and damping capabilities of a particular embodiment of the modular panels 3 , but also, in a combination with other layers and/or pads, their mechanical and damping properties, namely also from the viewpoint of damping an impact of a road vehicle.
- STERED the recyclate available under the trade name STERED
- the retention and damping pads 15 consist of special types of sound absorbing porous concrete made from natural crushed stone or consist of similar agglomerates based on recycled concrete or bricks.
- the modular panels 3 are provided with a spatial stiffener 16.
- Fig. 2 shows a railway or tramway track from Fig. 1 , modified by the fact that inside the track, i.e. between the rails, are in the direction of the track length mounted inner panels 17 of rail absorbers and outside the track, i.e. along the outer edges of the rails 1, are in the direction of the track length mounted outer panels 18 of the rail absorbers.
- the length of the panels 17 and 18 is a multiple of the axial distance of the fastening systems 2 and is not dependent on the length of the modular panels 3.
- the surface of the rail noise absorbers with the function of water retention is formed by an unillustrated natural cover or artificial grass.
- the railway or tramway track from Fig. 1 is modified by the fact that both inside and outside the track structural and vegetation humic layers are laid on the gravel ballast 26 to be covered with natural lawn.
- Fig. 3 shows a modular panel 3 with the function of water retention, where the supporting structure is formed by a wire basket 19 with retention and damping pads 15 which are inserted in it individually, most often vertically, and a sound-absorbing layer 4 with a fair-faced wall 5 containing spatial recesses 6.
- the bearing surface is composed of a spread footing 20 , which most typically consists of recycled rubber or a shell concrete plate.
- the sloping surface 12 comprises pockets 21 arranged in a cascade, which are filled with a humic layer 10 , which is preferably planted with ground cover or xerophilous plants or bushes 13.
- the sloping surface 12 is made without a humic layer 10 , whereby the individual vertical layers constitute the bearing surface for the installation of a carpet from artificial grass 14 , which is mechanically connected to the structure of the wire basket 19 and/or bonded to it.
- Fig. 4 represents a modular panel according to Fig. 3 , modified by the fact that behind the sound absorbing layer 4 with an unillustrated fair-faced wall 5 containing spatial recesses 6 is inserted at least one rigid and soundproof plate forming a shielding wall 23 to increase the soundproofing qualities of the panel.
- Fig. 5 shows a modular panel according to Fig. 3 , modified by the fact that it contains a system of air channels 22 for increasing water evaporation from the retention and damping pads 15 , whereby preferably these channels can be formed by an unillustrated stone dam.
- Fig. 6 represents a modular panel according to Fig. 3 , modified by the fact that on the side facing the rail track a shielding wall 22 is formed, resembling a parabola in form, whereby its unillustrated focus lies outside the track and its surface can be provided with a sound absorbing layer 4 with an unillustrated fair-faced wall 5 containing spatial recesses 6.
- Fig. 7 shows a modular panel according to Fig. 3 , modified by the fact that on the side away from the rail track there is a sloping surface 12 , which is formed by complete or partial fair-faced surface made from a stone dam 24 , whereby the inner core of the modular panel 3 contains unillustrated retention and damping pads 15.
- the technical solution can be preferably used for building railway and tramway tracks in town residential areas, in areas of nature reserves and on bridge constructions. Combining this solution with known rail noise absorbers or with natural grassing further increases the overall efficiency of the attenuation of noise and vibration from wheel/track contact and significantly improves water retention in the track without compromising rail operation.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Road Paving Structures (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Description
- The technical solution relates to a railway or tramway track with modular panels of a low noise barrier reducing noise and vibration and arranged outside the track, wherein the modular panels reducing noise and vibration contain at least one non-humic layer, which absorbs water, reduces the rate of its flow and outflow and allows its evaporation, as defined in the preamble of claim 1.
- Known are a wide variety of systems to reduce noise emissions and vibration from rail vehicles produced due to the contact between the wheel and the rail. These systems are most often based on the structural configuration of a track fastening system and on a high quality, i. e. smooth finish of the contact surfaces of the wheel and rail. Nevertheless, also the construction of rail vehicles as such and the construction of the railway itself is a source of noise and vibration. At high speeds of the trains noise and vibration are caused by the aerodynamic design of railway vehicles, etc.
- In order to prevent the propagation of noise and vibration from the railway into the surrounding area, vertical noise barriers are most commonly used. These noise barriers are made of boards or panels placed along the railway or tramway track. Another option is using horizontal structural pads from noise and vibration absorbing materials, which fill the track space, or it is possible to use a combination of both types of measures.
- One of the so far known solutions of horizontal anti-noise pads of railway tracks is represented by modular panels with interlocking edges and vertical chambers, which are made from a porous sound-absorbing material, based, e.g., on wooden fillers, wood shavings, and are cement-bonded, whereby these modular panels are on the outer sides of the railway track supplemented with low concrete prefabricated noise barriers.
- Another known solution of a railway track reducing noise and vibration is disclosed in the patent No.
303 309 - Another known solution of a modular panel reducing noise and vibration from the rail track is described in the utility model No.
23316 - In the rail tracks leading through an urban (populated) area, which forms the so-called urban heat islands - referred to as UHI, the most commonly used conventional arrangement of a track is an arrangement composed of a grid of rails with transverse supports, sleepers, installed in the gravel ballast on the railway substructure or plain. Known are also solutions, where the rail track is solved by a solid railway without gravel ballast. In terms of the local environment both these solutions have a negative impact, as they cause an increase in local temperature both on their surface and in the surroundings, reduce air humidity, affect the direction and speeds of the wind, are a source of airborne particles or their redistributor in the given area, etc.
- Environmental requirements with respect to current railway tracks in residential areas include improved retention of water on site and decreased water drainage, as well as allowing its evaporation on site. However, the known systems can meet these requirements to a limited extent, or only by spending considerable consequential costs on the maintenance of all the functions of the system, in particular the functions of the green track.
- From
CH 676 260 EP 2 532 786 is known a railway or tramway track with modular panels of a low noise barrier, which reduce noise and vibration and are arranged outside the track, wherein the modular panels reducing noise and vibration contain at least one non-humic layer, which absorbs water, reduces the rate of its flow and outflow and allows its evaporation. - The aim of the technical solution is to eliminate or at least minimize the disadvantages of the background art, especially to allow the building of railway tracks with a continuous arrangement of the railway substructure and superstructure for maintaining the same stiffness of the track construction in the longest possible section, while reducing effectively noise and vibration levels and allowing to build the so-called green tracks with lowered costs of maintaining green areas, i.e. with improved water retention and evaporation in the track area.
- The goal of the technical solution is achieved by a railway or tramway track with a low noise barrier as in claim 1.
- The advantage of the proposed solution is the fact that it can be used both on the tracks with a conventional railway superstructure composed of rails, transverse sleepers and gravel ballast, and on railways with a solid carriageway composed of rails and a concrete slab without gravel ballast. The solution can be in its embodiment preferably used also on railway tracks built on bridge constructions, where it can at the same time create escape routes for passengers and operating staff in case of accidents or emergencies.
- The actual modular panels are formed by a wire supporting spatial structure from surface protected iron, into which are inserted individual sound absorbing and optionally acoustically reflective layers and a retention pad, which consists of recycled synthetic materials or a stone agglomerate or wad, whereby these layers are sandwich arranged in the wire spatial structure and extend in the vertical direction. The sandwich layered panel thus created is on the side adjacent to the railway track always provided with a sound absorbing layer, which is in a preferred embodiment accompanied by a fair-faced wall with spatial recesses to ensure sufficient noise attenuation. On the side away from the rail track the panel is composed of sloping structuring of the individual layers forming a cascade for planting live vegetation and/or forming a sloping surface for installing an artificial grass carpet. The individual modular panels may be mutually mechanically connected by wire spirals and/or clamps.
- In a preferred embodiment, the modular panels of the low noise barrier with the function of water retention are designed on the side facing the track in such a manner that the shielding wall is rounded by at least one parabolic surface, wherein the focus of the parabola preferably lies outside the track on the edge of the gravel ballast or the gravel addition of the solid railway. Such an embodiment of the shielding wall enhances the efficiency of the panel in noise and vibration attenuation.
- In another preferred embodiment, the modular panels are for increasing the overall structural stiffness provided with a rigid air soundproof plate and/or a stone layer in their inner part.
- In another preferred embodiment, so as to increase the stiffness of the bearing surface, the modular panels are in their lower part formed by a rigid plate from recycled rubber, concrete or cement composites.
- In another preferred embodiment, in order to enhance water evaporation from the retention layers, the modular panels are supplemented with at least one set of pores from air permeable materials or stone dams.
- In another preferred embodiment, the modular panels with the function of water retention comprise a core consisting of retention layers, which are supplemented and/or interspersed with fine aggregate with an admixture of humus soils and the actual surface casing of the panel is formed by a stone dam with xerophilous plants or bushes, whereby the thus formed panel creates organic space for living invertebrates and insects, such as xerophilous species of butterflies, beetles, hymenoptera, Diptera, or hydrophilic species of bugs, dragonflies, etc., including small mammals or reptiles. Using this embodiment of the utility model creates new living space within the existing environmental structuring of the townscape and, at the same time, compensates for the areas occupied by the construction or modernization of the rail track.
- In another preferred embodiment, the modular panels have a sloping or cascade design so that they could be placed at the end of the sets of low noise barriers.
- According to a preferred embodiment, the upper surface of the modular panels is covered with a humic layer with vegetation cover, most often with various types of grass or sedum.
- In another preferred embodiment, the upper surface of the modular panels is covered with an artificial grass carpet, mechanically attached to the surface of the individual absorbant layers and/or bonded or mechanically attached to the supporting portion of the wire structure of the modular panel.
- According to one embodiment, the non-humic layer is composed of water absorbing and water permeable synthetic clumps. According to another embodiment, the non-humic layer is composed of a water permeable porous agglomerate from non-absorbent inert materials.
- For improving water retention, the modular panels have a spatial recess in their bottom to hold water and/or allow water drainage from the panel.
- So as to improve the bearing capacity, the modular panels contain transverse vertical stiffeners.
- According to a preferred embodiment, the non-humic layer is planted with plants.
- The utility model is explained with reference to figures of exemplary embodiments, which are schematically represented in the following drawings:
-
Fig. 1 shows a schematic axonometric view from the front of an embodiment of a railway track with gravel ballast and with modular panels of a low noise barrier with the function of water retention and surface formed by live vegetation. -
Fig. 2 represents a schematic axonometric view from the front of an embodiment of a railway track with rail noise absorbers with the function of water retention and with modular panels of a low noise barrier with the function of water retention and surface formed by live vegetation. -
Fig. 3 shows a schematic axonometric view from the front of a modular panel of a low noise barrier with the function of water retention and surface formed by live vegetation. -
Fig. 4 shows a schematic cross-section of an embodiment of a modular panel of a low noise barrier with the function of water retention supplemented with a reinforcing inner air soundproof plate. -
Fig. 5 is a schematic cross-section of an embodiment of a modular panel of a low noise barrier with the function of water retention supplemented with a set of pores for increasing water evaporation. -
Fig. 6 is a schematic cross-section of an embodiment of a modular panel of a low noise barrier with the function of water retention with an embodiment of a shielding wall resembling a parabola in form. -
Fig. 7 shows a schematic cross-section of an embodiment of a modular panel of a low noise barrier with the function of water retention with a stone dam on the surface. - The technical solution will be described on several examples of embodiment, which are illustrated in
Figs. 1 to 7 , whereby the principle consists in the fact that at least one non-humic layer is inserted into a modular panel of a low noise barrier, whereby this layer absorbs water, reduces the rate of its flow and outflow and, at the same time, allows its evaporation. By the non-humic layer we understand a layer which does not contain soil or, more specifically, soil for growing plants. -
Fig. 1 shows a railway or tramway track comprising rails 1, which are mounted infastening systems 2 ontransverse sleepers 24 forming a rail grid mounted ingravel ballast 25, which is mounted on the unmarked structure of the substructure of the track comprising a drainage system of the earth subgrade. The distance between the axes of thetransverse sleepers 24 is determined by a respective regulation, most often being in the range from 600 to 800 mm. - Outside the track, along the outer sides of the rail 1 , are in the direction of the track length mounted
modular panels 3 of the low noise barrier with the function of water retention, whereby on the side facing the rail track is located a verticalsound absorbing layer 4 with a fair-faced wall 5 containingspatial recesses 6. The individualmodular panels 3 with the function of water retention contain a specific number of, but at least one, retention and dampingpad 15, whereby the individualmodular panels 3 are demoted in sets outside the track and are mutually connected by means of connecting spirals or clamps 7. The set of modular panels of the low noise barrier with the function of water retention is mounted on a compactedgravel cushion 8, which may be on both sides lined withconcrete curbs 9 or by unillustrated concrete prefabricated parts in the form of the letter L or T. On the side away from the rail track the modular panel is provided on its slopingsurface 12 with ahumic layer 10, which fills gaps incascades 11 of the retention and dampingpads 15. The slopingsurface 12 is preferably planted with suitable ground cover plants orbushes 13. In an unillustrated embodiment, the slopingsurface 12 may be created without ahumic layer 10 and a carpet ofartificial grass 14 is installed on it surface. - According to a preferred embodiment, the retention and
damping pads 15 are composed of a recycled wadding synthetic material, e.g., the recyclate available under the trade name STERED, which is manufactured according to SK UV 6673, where the density of the individual parts of the sandwich layering of the retention anddamping pads 15 determines not only specific retention and damping capabilities of a particular embodiment of themodular panels 3, but also, in a combination with other layers and/or pads, their mechanical and damping properties, namely also from the viewpoint of damping an impact of a road vehicle. - In an unillustrated example of embodiment, the retention and
damping pads 15 consist of special types of sound absorbing porous concrete made from natural crushed stone or consist of similar agglomerates based on recycled concrete or bricks. - In another unillustrated embodiment, the
modular panels 3 are provided with a spatial stiffener 16. -
Fig. 2 shows a railway or tramway track fromFig. 1 , modified by the fact that inside the track, i.e. between the rails, are in the direction of the track length mountedinner panels 17 of rail absorbers and outside the track, i.e. along the outer edges of the rails 1, are in the direction of the track length mountedouter panels 18 of the rail absorbers. The length of thepanels fastening systems 2 and is not dependent on the length of themodular panels 3. The surface of the rail noise absorbers with the function of water retention is formed by an unillustrated natural cover or artificial grass. - In another exemplary embodiment, the railway or tramway track from
Fig. 1 is modified by the fact that both inside and outside the track structural and vegetation humic layers are laid on thegravel ballast 26 to be covered with natural lawn. -
Fig. 3 shows amodular panel 3 with the function of water retention, where the supporting structure is formed by awire basket 19 with retention and dampingpads 15 which are inserted in it individually, most often vertically, and a sound-absorbinglayer 4 with a fair-faced wall 5 containingspatial recesses 6. The bearing surface is composed of aspread footing 20, which most typically consists of recycled rubber or a shell concrete plate. The slopingsurface 12 comprisespockets 21 arranged in a cascade, which are filled with ahumic layer 10 , which is preferably planted with ground cover or xerophilous plants orbushes 13. In an unillustrated embodiment, the slopingsurface 12 is made without ahumic layer 10, whereby the individual vertical layers constitute the bearing surface for the installation of a carpet fromartificial grass 14, which is mechanically connected to the structure of thewire basket 19 and/or bonded to it. -
Fig. 4 represents a modular panel according toFig. 3 , modified by the fact that behind thesound absorbing layer 4 with an unillustrated fair-faced wall 5 containingspatial recesses 6 is inserted at least one rigid and soundproof plate forming a shieldingwall 23 to increase the soundproofing qualities of the panel. -
Fig. 5 shows a modular panel according toFig. 3 , modified by the fact that it contains a system ofair channels 22 for increasing water evaporation from the retention and dampingpads 15, whereby preferably these channels can be formed by an unillustrated stone dam. -
Fig. 6 represents a modular panel according toFig. 3 , modified by the fact that on the side facing the rail track a shieldingwall 22 is formed, resembling a parabola in form, whereby its unillustrated focus lies outside the track and its surface can be provided with asound absorbing layer 4 with an unillustrated fair-faced wall 5 containingspatial recesses 6. -
Fig. 7 shows a modular panel according toFig. 3 , modified by the fact that on the side away from the rail track there is asloping surface 12, which is formed by complete or partial fair-faced surface made from astone dam 24, whereby the inner core of themodular panel 3 contains unillustrated retention and dampingpads 15. - The technical solution can be preferably used for building railway and tramway tracks in town residential areas, in areas of nature reserves and on bridge constructions. Combining this solution with known rail noise absorbers or with natural grassing further increases the overall efficiency of the attenuation of noise and vibration from wheel/track contact and significantly improves water retention in the track without compromising rail operation.
Claims (11)
- A railway or tramway track with a low noise barrier comprising modular panels (3), which reduce noise and vibration and are arranged outside the track, wherein the modular panels (3) reducing noise and vibration contain at least one non-humic layer, which absorbs water, reduces the rate of its flow and outflow and allows its evaporation, characterized in that the modular panels (3) are formed by a wire supporting spatial structure of surface protected iron (19), into which are inserted individual sound absorbing and optionally acoustically reflective layers (4) and a retention and damping pad (15), which consists of recycled synthetic materials or a stone agglomerate or wad, whereby the sound absorbing and optionally acoustically reflective layers (4) and the retention and damping pad (15) are sandwich-arranged in the wire supporting spatial structure in a vertical direction forming a sandwich layered panel placed on the side adjacent to the railway track facing it with said sound absorbing layer (4) and wherein the side facing away from the rail track the panel (3) comprises a sloping surface (12) covered with natural or artificial vegetation.
- The railway or tramway track according to Claim 1, characterized in that the sound absorbing layer (4) is on the side facing the track supplemented with a fair-faced wall (5) containing spatial recesses (6).
- The railway or tramway track according to Claim 1 or 2, characterized in that the sloping surface (12) contains pockets (21), arranged in a cascade, which are filled with a humic layer (10) for growing ground cover or xerophilous plants or bushes (13).
- The railway or tramway track according to Claim 1 or 2, characterized in that on the sloping surface (12) is installed a carpet of artificial grass (14), which is mechanically attached to the structure of the wire supporting spatial structure formed as a basket (19) and/or is bonded to it.
- The railway or tramway track according to any of Claims 1 to 4, characterized in that the modular panel (3) contains at least one vertical air soundproof shielding wall (23).
- The railway or tramway track according to any of Claims 1 to 5, characterized in that the modular panel (3) contains at least one air channel (22) for increasing water evaporation from retention and damping pads (15).
- The railway or tramway track according to any of Claims 1 to 6 characterized in that the modular panel (3) contains at least one spread footing (20).
- The railway or tramway track according to any of Claims 1 to 7, characterized in that the modular panel (3) contains on the side facing the track a vertical air soundproof shielding wall (23) resembling a parabola in form.
- The railway or tramway track according to any of Claims 1 to 8, characterized in that the sloping surface (12) on the surface is composed of a stone dam (24), whereby the inner core of the modular panel (3) contains retention and damping pads (15).
- The railway or tramway track according to any of Claims 1 to 9 characterized in that the individual modular panels (3) are mounted on a compacted gravel cushion (8) or concrete.
- The railway or tramway track according to any of Claims 1 to 10 characterized in that the individual modular panels (3) are mutually connected by connecting spirals or clamps (7).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CZ2016-32238U CZ29447U1 (en) | 2016-03-30 | 2016-03-30 | Railway or tramway track with modular elements of low nose-absorbing screen |
PCT/CZ2016/050031 WO2017167318A1 (en) | 2016-03-30 | 2016-08-30 | Railway or tramway track with modular panels of a low noise barrier |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3436639A1 EP3436639A1 (en) | 2019-02-06 |
EP3436639B1 true EP3436639B1 (en) | 2020-11-25 |
Family
ID=56020067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16784129.5A Active EP3436639B1 (en) | 2016-03-30 | 2016-08-30 | Railway or tramway track with a low noise barrier comprising modular panels |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3436639B1 (en) |
CZ (1) | CZ29447U1 (en) |
WO (1) | WO2017167318A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ2016477A3 (en) * | 2016-08-05 | 2017-10-04 | ÄŚVUT v Praze, Fakulta stavebnĂ | A city noise barrier |
CN107513949A (en) * | 2017-10-20 | 2017-12-26 | 苏州大学 | A kind of railway sound insulation and noise reduction structure and preparation method thereof |
CN117005251B (en) * | 2023-08-04 | 2024-02-23 | 华东交通大学 | Rail vibration absorbing and sound insulating device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT371181B (en) * | 1980-02-21 | 1983-06-10 | Ebenseer Betonwerke Gmbh | BUILDING ELEMENT, ESPECIALLY PRECASTED PART, FOR SOUND PROTECTION CONSTRUCTIONS AND SOUND PROTECTION WALL FROM SUCH EQUIPMENT |
DE3027442A1 (en) * | 1980-07-19 | 1982-02-11 | Wayss & Freytag Ag, 6000 Frankfurt | Prefab. earth filled noise screen wall sections - have initially plant life supporting mats stretched across steel lattice units |
DE8706694U1 (en) * | 1987-05-09 | 1987-06-25 | SPIG Schutzplanken-Produktions-Gesellschaft mbH & Co KG, 6612 Schmelz | Noise barrier |
GB0610054D0 (en) * | 2006-05-19 | 2006-06-28 | Hesco Bastion Ltd | Gabions |
DE102007050027A1 (en) * | 2007-10-17 | 2009-04-23 | Helix Pflanzen Gmbh | Planted gabions |
ITBO20110325A1 (en) * | 2011-06-06 | 2012-12-07 | Euroambiente S R L | WALL-MOUNTED SOUND-RESISTANT WALL |
-
2016
- 2016-03-30 CZ CZ2016-32238U patent/CZ29447U1/en not_active IP Right Cessation
- 2016-08-30 EP EP16784129.5A patent/EP3436639B1/en active Active
- 2016-08-30 WO PCT/CZ2016/050031 patent/WO2017167318A1/en active Application Filing
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
CZ29447U1 (en) | 2016-05-16 |
WO2017167318A1 (en) | 2017-10-05 |
EP3436639A1 (en) | 2019-02-06 |
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