EP3715550B1 - Structural element for uncoupling footfall sound - Google Patents

Structural element for uncoupling footfall sound Download PDF

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Publication number
EP3715550B1
EP3715550B1 EP20163412.8A EP20163412A EP3715550B1 EP 3715550 B1 EP3715550 B1 EP 3715550B1 EP 20163412 A EP20163412 A EP 20163412A EP 3715550 B1 EP3715550 B1 EP 3715550B1
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Prior art keywords
elastomer
layer
structural element
element according
shore
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EP20163412.8A
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German (de)
French (fr)
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EP3715550A1 (en
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PAKON AG
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Ikona AG
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/8218Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only soundproof enclosures
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B2001/8254Soundproof supporting of building elements, e.g. stairs, floor slabs or beams, on a structure
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02Stairways; Layouts thereof
    • E04F11/022Stairways; Layouts thereof characterised by the supporting structure

Definitions

  • the invention relates to a component for decoupling impact noise for flights of stairs, with an insulating bearing layer that can be inserted between a flight of stairs and a floor or platform that supports it.
  • PE foam board Built-in elements known from the prior art for decoupling footfall sound usually consist of a PE (polyethylene) foam board.
  • An elastomer bearing is embedded in this foam sheet.
  • the PE foam sheet is rectangular, the elastomer bearing is designed as a narrow strip of 25 to 35 mm and is located in the middle of the PE foam sheet. Double-sided mounting tape is used to attach the foam board either between the flight of stairs and the landing or between the flight of stairs and the floor. In order to bring the PE foam sheet to the right size, it is cut to size. Under the influence of a vertical force, for example from stepping on a staircase, the elastomer bearing undergoes a vertical deformation, also known as deflection. The resulting impact sound is insulated accordingly.
  • the DE1658897 relates to a support between components, in particular concrete components, with an elastically deformable bearing body and two superimposed sliding layers designed as plastic layers.
  • One of the sliding layers has a smaller area and is connected to the bearing body, while the other sliding layer is connected to a carrier layer that lies directly on the bearing surface of one component.
  • This sliding layer has a significantly smaller thickness than the bearing body.
  • the object of the present invention is to further improve the built-in element for impact sound decoupling known from the prior art with regard to its sound-insulating effect.
  • the structural element for flights of stairs comprises an insulating layer which is introduced between the flight of stairs and a floor or a platform that supports it.
  • the insulation bearing layer is designed as a foam-like material layer with a top and a bottom.
  • a first elastomer is embedded in the foam material.
  • At least one layer of a second elastomer is provided on at least one of its two sides, upper side and/or lower side, this layer being thinner than the first elastomer.
  • the first elastomer has a higher Shore A hardness than the second elastomer.
  • At least one layer of a second elastomer is provided on the upper side and on the underside of the foam-like material layer, arranged in the region of the first elastomer.
  • At least one layer of a second elastomer is provided on the upper side of the foam-like material layer in the area of the first elastomer and an adhesive layer, for example an adhesive tape, is provided on the lower side.
  • the second elastomer has a layer thickness of 2 mm-5 mm.
  • the Shore A hardness of the first elastomer amounts to a Shore A hardness of between 50-70, preferably 60.
  • the second elastomer has a Shore A hardness that is 5-10 Shore A lower than the first elastomer.
  • the first elastomer and/or the second elastomer is, for example, rubber or ethylene propylene diene rubber (EPDM) with a different Shore A hardness.
  • fiber reinforcement is provided in the layer of second elastomer for stiffening against stretching, preferably the layer of second elastomer is provided with fiber reinforcement on the side facing the first elastomer.
  • One advantage of using two elastomers with different Shore A hardnesses is the resulting (further) discontinuity, which improves sound reflection.
  • the first elastomer has an initial thickness of 10 mm to 20 mm and experiences a thickness reduction of 7.5 - 12.5 % under the weight of a flight of stairs.
  • the reduction in thickness is 20-50%.
  • the soundproofing of the component according to the invention could be significantly improved compared to a component with only one elastomer.
  • the improvement amounts to a reduction in the sound level between 3 - 10 dB.
  • a non-elastomeric, essentially pressure-resistant further layer is provided between the first elastomer and the second elastomer.
  • This layer is significantly thinner than the foam-like material layer with the first elastomer embedded therein and the layer of second elastomer. It is, for example, a sheet metal plate.
  • the top and/or bottom of the foam-like material layer has at least one notch for folding the component, preferably by 90°, and/or at least one incision to facilitate separation of excess foam-like material layer.
  • the foam-like material layer 10 comprises indentations 11A, 11B. With the help of these notches 11A, 11B, the component 100 can be folded by 90°. In this way, the component 100 can easily be introduced between a platform 7 and a flight of stairs 5 (see FIG Fig. 1b )).
  • the incisions 12A and 12b serve to facilitate a separation of excess foam-like material layer 10.
  • FIG. 1b shows the embodiment from FIG Fig. 1a ) when installed.
  • a hollow space comprising two vertical areas and one horizontal area is formed between the flight of stairs 5 and the platform 7 .
  • This is essentially z-shaped.
  • the component 100 is adapted to this cavity with the aid of a fold at the notches 11A and 11b.
  • the layer of first elastomer 2 and the layer of second elastomer 3 overlying this layer lie in the horizontal portion of the cavity. It is attached by means of the adhesive layer 4, for example an adhesive tape.
  • the adhesive layer for example an adhesive tape.
  • Alternatively in Fig. 1b not shown) there is the possibility of arranging the component 100 in the vertical area between the flight of stairs 5 and the platform 7 .
  • the component 100 then serves as a spacer.
  • Figure 2a shows a cross section through a second embodiment of the component 102 according to the invention comprising an insulating layer 1.
  • the foam-like material layer 10 has no indentations 11A, 11B for folding this material layer 10 and no incisions 12A, 12B for cutting the material 10 to length.
  • the foam-like material 10 Shown is the foam-like material 10 with a top 10A and a bottom 10B.
  • the first elastomer 2 is embedded in the foam-like material 10.
  • a layer of the second elastomer 3 is provided, which is thinner than the first elastomer 2.
  • On the underside 10B is an adhesive layer 4 designed for fastening the component, for example on a pedestal.
  • Figure 2b shows the second embodiment of the component 102 according to the invention in the installed state.
  • the component 102 is here only in the horizontal area of the cavity between the flight of stairs 5 and the platform 7 arranged.
  • This embodiment is preferably provided between a floor 6 and a flight of stairs 5 (cf. 4 ).
  • the second elastomer layer 3 is applied on one side, the upper side 10A.
  • An adhesive layer 4 for example an adhesive tape for fastening the component 4 to a pedestal 7 , is in turn provided on the underside 10B.
  • Figure 3b shows the third embodiment in an installed state.
  • the layer of first elastomer 2 and the layer of second elastomer 3 overlying this layer lie in the horizontal portion of the cavity.
  • the third embodiment only fills one of the two vertical cavities between the flight of stairs 5 and the platform 7 .
  • Figure 4b shows a fourth embodiment 103 of the component according to the invention.
  • the fourth embodiment also has an insulating bearing layer 1 , this insulating bearing layer 1 in turn comprising a foamed material 10 .
  • a first elastomer 2 is embedded in the foam-like material 10 .
  • a layer of a second elastomer 3A, 3B is provided both on the bottom 10B and on the top 10A in the area of the first elastomer 2, with the layer 3A being thinner than the first elastomer 2.
  • the same applies to the layer 3B the in the in Figure 4b ) shown embodiment is arranged opposite the layer 3A.
  • the first elastomer 2 lies between these two layers.
  • one or more indentations 11A, 11B can alternatively be provided in the foam-like material layer 10, as well as cuts that facilitate cutting the foam-like material to length.
  • Fig. 5 a) and Fig. 5 b) show two possible variants of arrangements of the second elastomer 3, 3 'in the foam-like material layer 10 in plan.
  • the second elastomer 3 is embedded as a continuous strip in the foam-like material layer.
  • the strip is not continuous and is interrupted by the foam-like layer of material.
  • the layer thickness of the second elastomer 3 is between 2 mm and 5 mm.
  • the first and the second elastomer 2, 3 have different Shore A hardnesses.
  • the Shore A hardness of the first elastomer 2 is higher than the Shore A hardness of the second elastomer 3.
  • the Shore A hardness of the first elastomer 2 is in the Shore A range of 50-70, preferably 60.
  • the second elastomer 3 has a hardness of 5 - 10 lower Shore A hardness than the first elastomer 2.
  • the first and/or second elastomer is, for example, rubber or ethylene propylene diene rubber (EPDM) or polyurethane (PU) with a different Shore A.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Laminated Bodies (AREA)

Description

TECHNISCHES GEBIETTECHNICAL AREA

Die Erfindung betrifft ein Bauelement zur Trittschallentkopplung für Treppenläufe mit einer zwischen einen Treppenlauf und einen diesen tragenden Boden oder ein diesen tragendes Podest einfügbaren Dämmlagerschicht.The invention relates to a component for decoupling impact noise for flights of stairs, with an insulating bearing layer that can be inserted between a flight of stairs and a floor or platform that supports it.

STAND DER TECHNIKSTATE OF THE ART

Aus dem Stand der Technik bekannte Einbauelemente zur Trittschallentkopplung bestehen in der Regel aus einer PE (Polyethylen)-Schaumplatte. In diese Schaumplatte eingebettet ist ein Elastomerlager. Die PE-Schaumplatte ist rechteckig, das Elastomerlager ist als schmaler Streifen von 25 bis 35 mm ausgebildet und in der Mitte der PE-Schaumplatte angeordnet. Zur Befestigung der Schaumplatte entweder zwischen Treppenlauf und Podest oder zwischen Treppenlauf und Boden dient ein doppelseitiges Montageklebeband. Um die PE-Schaumplatte auf die passende Grösse zu bringen, wird diese zugeschnitten. Unter Einwirkung einer vertikalen Kraft, beispielsweise durch Schritte auf einer Treppe, kommt es zu einer vertikalen Verformung des Elastomerlagers auch Einfederung genannt. Der resultierende Trittschall wird entsprechend gedämmt.Built-in elements known from the prior art for decoupling footfall sound usually consist of a PE (polyethylene) foam board. An elastomer bearing is embedded in this foam sheet. The PE foam sheet is rectangular, the elastomer bearing is designed as a narrow strip of 25 to 35 mm and is located in the middle of the PE foam sheet. Double-sided mounting tape is used to attach the foam board either between the flight of stairs and the landing or between the flight of stairs and the floor. In order to bring the PE foam sheet to the right size, it is cut to size. Under the influence of a vertical force, for example from stepping on a staircase, the elastomer bearing undergoes a vertical deformation, also known as deflection. The resulting impact sound is insulated accordingly.

Die DE1658897 betrifft ein Auflager zwischen Bauteilen, insbesondere Betonbauteilen, mit einem elastisch deformierbaren Lagerkörper und zwei aufeinanderliegenden, als Kunststoffschichten ausgebildeten Gleitschichten. Von den Gleitschichten weist eine davon, eine kleinere Fläche auf und ist mit dem Lagerkörper, während die andere Gleitschicht mit einer Trägerschicht verbunden ist, die direkt auf der Lagerfläche des einen Bauteils liegt. Diese Gleitschicht hat eine wesentlich geringere Dicke als der Lagerkörper.The DE1658897 relates to a support between components, in particular concrete components, with an elastically deformable bearing body and two superimposed sliding layers designed as plastic layers. One of the sliding layers has a smaller area and is connected to the bearing body, while the other sliding layer is connected to a carrier layer that lies directly on the bearing surface of one component. This sliding layer has a significantly smaller thickness than the bearing body.

DARSTELLUNG DER ERFINDUNGPRESENTATION OF THE INVENTION

Die Aufgabe der vorliegenden Erfindung ist es, dass aus dem Stand der Technik bekannte Einbauelement zur Trittschallentkopplung hinsichtlich seiner schalldämmenden Wirkung weiter zu verbessern.The object of the present invention is to further improve the built-in element for impact sound decoupling known from the prior art with regard to its sound-insulating effect.

Diese Aufgabe wird insbesondere durch die Merkmale des Anspruchs 1 gelöst. Weitere Ausführungsformen ergeben sich aus den abhängigen Ansprüchen.This object is achieved in particular by the features of claim 1. Further embodiments result from the dependent claims.

Das erfindungsgemäss Bauelement für Treppenläufe umfasst eine Dämmschicht, die zwischen dem Treppenlauf und einen diesen tragenden Boden oder ein diesen tragenden Podest eingebracht wird. Die Dämmlagerschicht ist als eine schaumförmige Materialschicht mit einer Oberseite und einer Unterseite ausgebildet. In das schaumförmige Material eingebettet ist ein erstes Elastomer. An mindestens einer von dessen beiden Seiten, Oberseite und/oder Unterseite ist mindestens eine Schicht eines zweiten Elastomers vorgesehen, wobei diese Schicht dünner ausgebildet ist als das erste Elastomer. Das erste Elastomer hat eine höhere Shore A Härte als das zweite Elastomer.The structural element for flights of stairs according to the invention comprises an insulating layer which is introduced between the flight of stairs and a floor or a platform that supports it. The insulation bearing layer is designed as a foam-like material layer with a top and a bottom. A first elastomer is embedded in the foam material. At least one layer of a second elastomer is provided on at least one of its two sides, upper side and/or lower side, this layer being thinner than the first elastomer. The first elastomer has a higher Shore A hardness than the second elastomer.

In einer Ausführungsform der Erfindung ist, an der Oberseite und an der Unterseite der schaumförmigen Materialschicht mindestens eine Schicht eines zweiten Elastomers, angeordnet im Bereich des ersten Elastomers vorgesehen.In one embodiment of the invention, at least one layer of a second elastomer is provided on the upper side and on the underside of the foam-like material layer, arranged in the region of the first elastomer.

In einer weiteren Ausführungsform ist an der Oberseite der schaumförmigen Materialschicht im Bereich des ersten Elastomers mindestens eine Schicht eines zweiten Elastomers vorgesehen und an der Unterseite eine Klebeschicht, beispielsweise ein Klebeband.In a further embodiment, at least one layer of a second elastomer is provided on the upper side of the foam-like material layer in the area of the first elastomer and an adhesive layer, for example an adhesive tape, is provided on the lower side.

In einer bevorzugten Ausführungsform weist das zweite Elastomer eine Schichtdicke 2 mm - 5mm auf.In a preferred embodiment, the second elastomer has a layer thickness of 2 mm-5 mm.

Die Shore A Härte des ersten Elastomers beläuft sich auf Shore-Härte A zwischen 50 - 70, vorzugsweise auf 60. Das zweite Elastomer weist eine um 5 - 10 Shore A geringere Shore A Härte auf als das erste Elastomer. Beim ersten Elastomer und/oder beim zweiten Elastomer handelt es sich beispielweise um Gummi oder Ethylen Propylen Dien Kautschuk (EPDM) mit einer unterschiedlichen Shore A Härte.The Shore A hardness of the first elastomer amounts to a Shore A hardness of between 50-70, preferably 60. The second elastomer has a Shore A hardness that is 5-10 Shore A lower than the first elastomer. The first elastomer and/or the second elastomer is, for example, rubber or ethylene propylene diene rubber (EPDM) with a different Shore A hardness.

In einer Ausführungsform ist in der Schicht aus zweitem Elastomer, zur Versteifung gegenüber Dehnung, eine Faserbewehrung vorgesehen, vorzugsweise ist die Schicht aus zweitem Elastomer auf jener Seite, die dem ersten Elastomer zugewandt ist, mit einer Faserbewehrung versehen.In one embodiment, fiber reinforcement is provided in the layer of second elastomer for stiffening against stretching, preferably the layer of second elastomer is provided with fiber reinforcement on the side facing the first elastomer.

Ein Vorteil der Verwendung von zwei Elastomeren mit unterschiedlichen Shore A Härten besteht in einer dadurch resultierenden (weiteren) Unstetigkeit, die eine Schallreflexion verbessert.One advantage of using two elastomers with different Shore A hardnesses is the resulting (further) discontinuity, which improves sound reflection.

Das erste Elastomer weist eine Ausgangsdicke von 10 mm bis 20 mm auf und erfährt unter dem Gewicht eines Treppenlaufs eine Dickenreduktion von 7.5 - 12.5 %. Bei der dünneren Schicht aus zweitem Elastomer beläuft sich die Dickenreduktion auf 20 - 50%.The first elastomer has an initial thickness of 10 mm to 20 mm and experiences a thickness reduction of 7.5 - 12.5 % under the weight of a flight of stairs. For the thinner layer of second elastomer, the reduction in thickness is 20-50%.

Durch das Aufbringen eines zweiten Elastomers konnte die Schalldämmung des erfindungsgemässen Bauelements gegenüber einem Bauteil mit nur einem Elastomer deutlich verbessert werden. Die Verbesserung beläuft sich auf eine Reduktion des Schallpegels zwischen 3 - 10 dB.By applying a second elastomer, the soundproofing of the component according to the invention could be significantly improved compared to a component with only one elastomer. The improvement amounts to a reduction in the sound level between 3 - 10 dB.

In einer Ausführungsform der Erfindung, ist zwischen dem ersten Elastomer und dem zweiten Elastomer eine nicht-elastomere, im Wesentlichen druckfeste weitere Schicht vorgesehen. Diese Schicht ist gegenüber der schaumförmigen Materialschicht mit dem darin eingebetteten ersten Elastomer und der Schicht aus zweiten Elastomer wesentlich dünner ausgebildet. Es handelt sich beispielsweise um eine Blechplatte.In one embodiment of the invention, a non-elastomeric, essentially pressure-resistant further layer is provided between the first elastomer and the second elastomer. This layer is significantly thinner than the foam-like material layer with the first elastomer embedded therein and the layer of second elastomer. It is, for example, a sheet metal plate.

In einer Ausführungsform der Erfindung weist die schaumförmige Materialschicht in ihrer Oberseite und/oder ihrer Unterseite mindestens eine Einkerbung zum Falten des Bauelements, vorzugsweise um 90°, und/oder mindestens einen Einschnitt, zur Erleichterung einer Abtrennung von überschüssiger schaumförmiger Materialschicht, auf.In one embodiment of the invention, the top and/or bottom of the foam-like material layer has at least one notch for folding the component, preferably by 90°, and/or at least one incision to facilitate separation of excess foam-like material layer.

KURZE ERLÄUTERUNG ZU DEN FIGURENBRIEF EXPLANATION OF THE FIGURES

Die Erfindung soll nachfolgend anhand von Ausführungsbeispielen im Zusammenhang mit der Zeichnung näher erläutert werden. Es zeigen:

Fig. 1
unter a) die erste Ausführungsform der Erfindung, das Bauelement in einer Schnittdarstellung im noch ungefalteten Zustand,
Fig. 1
unter b) eine erste Ausführungsform der Erfindung im eingebauten Zustand zwischen dem Treppenlauf und dem Podest,
Fig. 2
unter a) eine zweite Ausführungsform der Erfindung in einer Schnittdarstellung ohne die Möglichkeit der Faltung,
Fig. 2
unter b) eine zweite Ausführungsform der Erfindung im eingebauten Zustand zwischen dem Treppenlauf und dem Podest,
Fig. 3
unter a) eine dritte Ausführungsform der Erfindung in einer Schnittdarstellung mit einer weiteren Möglichkeit zur Faltung,
Fig. 3
unter b) eine dritte Ausführungsform der Erfindung im eingebauten Zustand zwischen dem Treppenlauf und dem Podest,
Fig. 4
unter a) die zweite Ausführungsform des erfindungsgemässen Bauelements und die erste Ausführungsform im eingebauten Zustand zwischen Treppenlauf und Podest und zwischen Boden und Treppenlauf,
Fig. 4
unter b) eine vierte Ausführungsform des erfindungsgemässen Bauelements in einer Schnittdarstellung,
Fig. 5
unter a) eine erste Ausführungsvariante der Anordnung des zweiten Elastomers in der schaumförmigen Materialschicht im Grundriss,
Fig. 5
unter b) eine zweite Ausführungsvariante der Anordnung des zweiten Elastomers in der schaumförmigen Materialschicht im Grundriss.
The invention will be explained in more detail below using exemplary embodiments in connection with the drawing. Show it:
1
under a) the first embodiment of the invention, the component in a sectional view in the still unfolded state,
1
under b) a first embodiment of the invention in the installed state between the flight of stairs and the platform,
2
under a) a second embodiment of the invention in a sectional view without the possibility of folding,
2
under b) a second embodiment of the invention in the installed state between the flight of stairs and the platform,
3
under a) a third embodiment of the invention in a sectional view with a further possibility for folding,
3
under b) a third embodiment of the invention in the installed state between the flight of stairs and the platform,
4
under a) the second embodiment of the component according to the invention and the first embodiment in the installed state between the flight of stairs and the landing and between the floor and the flight of stairs,
4
under b) a fourth embodiment of the component according to the invention in a sectional view,
figure 5
under a) a first variant of the arrangement of the second elastomer in the foam-like material layer in plan view,
figure 5
under b) a second variant of the arrangement of the second elastomer in the foam-like material layer in plan view.

WEGE ZUR AUSFÜHRUNG DER ERFINDUNGWAYS TO CARRY OUT THE INVENTION

Fig. 1a ) zeigt eine erste Ausführungsform des erfindungsgemässen Bauelements 100. Dieses umfasst eine Dämmlagerschicht 1 aus einer schaumförmigen Materialschicht 10. Die schaumförmige Materialschicht 10 weist eine Oberseite 10A und eine Unterseite 10B auf. In die schaumförmige Materialschicht 10 eingebettet ist ein erstes Elastomer 2. In der in Fig. 1 a) gezeigten Ausführungsform ist an der Oberseite 10A, im Bereich des ersten Elastomers 2 ein zweites Elastomer 3 angeordnet. Die Schicht des ersten Elastomers 2 ist dicker ausgebildet als die Schicht des zweiten Elastomers 3. Zur Befestigung des Bauteils 100, beispielsweise auf einem Podest 7, weist die Unterseite 10B, insbesondere im Bereich, wo das erste Elastomer 2 in der schaumförmigen Materialschicht eingebettet und die Schicht des zweiten Elastomers 3 vorgesehen ist, eine Klebeschicht 4 auf. Um das Bauelement 100 zwischen einen Treppenlauf 5 und einen diesen tragenden Podest einführen zu können, umfasst die schaumförmige Materialschicht 10, Einkerbungen 11A, 11B. Mit Hilfe dieser Einkerbungen 11A, 11B kann das Bauelement 100 um je 90° gefaltet werden. Auf dieses Weise kann das Bauelement 100 auf einfach zwischen ein Podest 7 und einen Treppenlauf 5 eingebracht werden (siehe Fig. 1b)). Die Einschnitte 12A und 12b dienen zur Erleichterung einer Abtrennung von überschüssiger schaumförmiger Materialschicht 10. Fig. 1a ) shows a first embodiment of the component 100 according to the invention. This comprises an insulating bearing layer 1 made from a foam-like material layer 10. The foam-like material layer 10 has a top side 10A and a bottom side 10B. A first elastomer 2 is embedded in the foam-like material layer 10. In FIG 1 a) In the embodiment shown, a second elastomer 3 is arranged on the upper side 10A in the region of the first elastomer 2 . The layer of the first elastomer 2 is thicker than the layer of the second elastomer 3. To attach the component 100, for example on a pedestal 7, the underside 10B, particularly in the area where the first elastomer 2 is embedded in the foam-like material layer and the Layer of the second elastomer 3 is provided, an adhesive layer 4 on. In order to be able to insert the component 100 between a flight of stairs 5 and a platform carrying it, the foam-like material layer 10 comprises indentations 11A, 11B. With the help of these notches 11A, 11B, the component 100 can be folded by 90°. In this way, the component 100 can easily be introduced between a platform 7 and a flight of stairs 5 (see FIG Fig. 1b )). The incisions 12A and 12b serve to facilitate a separation of excess foam-like material layer 10.

Fig. 1b ) zeigt die Ausführungsform aus der Fig. 1a) im eingebauten Zustand. Zwischen dem Treppenlauf 5 und dem Podest 7 ist ein Hohlraum umfassend zwei vertikale Bereiche und einen horizontalen Bereich gebildet. Dieser ist im Wesentlichen z-förmig ausgebildet. Mit Hilfe einer Faltung an den Einkerbungen 11A und 11b wird das Bauelement 100 diesem Hohlraum angepasst. Die Schicht aus erstem Elastomer 2 und die über dieser Schicht angeordnete Schicht aus zweitem Elastomer 3 liegt im horizontalen Bereich des Hohlraums. Die Befestigung erfolgt mittels der Klebeschicht 4, beispielsweise einem Klebeband. Alternativ (in Fig. 1b nicht dargestellt) besteht die Möglichkeit, das Bauelement 100 im vertikalen Bereich zwischen Treppenlauf 5 und dem Podest 7 anzuordnen. Das Bauelement 100 dient dann als Abstandshalter. Fig. 1b ) shows the embodiment from FIG Fig. 1a ) when installed. A hollow space comprising two vertical areas and one horizontal area is formed between the flight of stairs 5 and the platform 7 . This is essentially z-shaped. The component 100 is adapted to this cavity with the aid of a fold at the notches 11A and 11b. The layer of first elastomer 2 and the layer of second elastomer 3 overlying this layer lie in the horizontal portion of the cavity. It is attached by means of the adhesive layer 4, for example an adhesive tape. Alternatively (in Fig. 1b not shown) there is the possibility of arranging the component 100 in the vertical area between the flight of stairs 5 and the platform 7 . The component 100 then serves as a spacer.

Fig. 2a ) zeigt einen Querschnitt durch eine zweite Ausführungsform des erfindungsgemässen Bauelements 102 umfassend eine Dämmschicht 1. Im Vergleich zur ersten Ausführungsform weist die schaumförmige Materialschicht 10 keine Einkerbungen 11A, 11B zur Faltung dieser Materialschicht 10 und keine Einschnitte 12A, 12B zum Ablängen des Materials 10 auf. In der Ausführungsform der Fig. 2a) dargestellt ist das schaumförmige Material 10 mit einer Oberseite 10A und einer Unterseite 10B. Wie bei der ersten Ausführungsform ist das erste Elastomer 2 eingebettet in das schaumförmige Material 10. Im Bereich des ersten Elastomers 2 ist eine Schicht des zweiten Elastomers 3 vorgesehen, die dünner ausgebildet ist als das erste Elastomer 2. An der Unterseite 10B ist eine Klebeschicht 4 zur Befestigung des Bauelements, beispielsweise an einem Podest, ausgebildet. Figure 2a ) shows a cross section through a second embodiment of the component 102 according to the invention comprising an insulating layer 1. In comparison to the first embodiment, the foam-like material layer 10 has no indentations 11A, 11B for folding this material layer 10 and no incisions 12A, 12B for cutting the material 10 to length. In the embodiment of Figure 2a ) Shown is the foam-like material 10 with a top 10A and a bottom 10B. As in the first embodiment, the first elastomer 2 is embedded in the foam-like material 10. In the area of the first elastomer 2, a layer of the second elastomer 3 is provided, which is thinner than the first elastomer 2. On the underside 10B is an adhesive layer 4 designed for fastening the component, for example on a pedestal.

Fig. 2b ) zeigt die zweite Ausführungsform des erfindungsgemässen Bauelements 102 im eingebauten Zustand. Das Bauelement 102 ist hier nur im horizontalen Bereich des Hohlraums zwischen dem Treppenlauf 5 und dem Podest 7 angeordnet. Bevorzugt, ist diese Ausführungsform zwischen einem Boden 6 und einem Treppenlauf 5 vorgesehen (vgl. Fig. 4). Figure 2b ) shows the second embodiment of the component 102 according to the invention in the installed state. The component 102 is here only in the horizontal area of the cavity between the flight of stairs 5 and the platform 7 arranged. This embodiment is preferably provided between a floor 6 and a flight of stairs 5 (cf. 4 ).

Fig. 3a ) zeigt eine dritte Ausführungsform des erfindungsgemässen Bauelements 103 umfassend die Dämmschicht 1, wobei im Unterschied zur ersten Ausführungsform nur eine Einkerbung 11A zur Faltung des Bauelements 103 vorgesehen ist und eine geringere Anzahl von Eischnitten 12A, 12B, um das schaumförmige Material 10 einfach auf die gewünschte Länge zu bringen. Vergleichbar mit der ersten und der zweiten Ausführungsform ist im schaumförmigen Material 10 ein erstes Elastomer 2 eingebettet. Dieses wird überlagert von einem zweiten Elastomer 3, welches eine geringere Schichtdicke aufweist wie das erste Elastomer 2. Das schaumförmige Material 10 hat, wie die ersten und die zweite Ausführungsform eine Oberseite 10A und eine Unterseite 10B. Wie in der ersten und zweiten Ausführungsform ist die zweite Elastomerschicht 3 auf einer Seite, der Oberseite 10A aufgebracht. Auf der Unterseite 10B ist wiederrum ein Klebeschicht 4, beispielsweise ein Klebeband zur Befestigung des Bauelements 4 auf einem Podest 7 vorgesehen. Figure 3a ) shows a third embodiment of the component 103 according to the invention, comprising the insulating layer 1, in which, in contrast to the first embodiment, only one notch 11A is provided for folding the component 103 and a smaller number of egg cuts 12A, 12B in order to easily cut the foam-like material 10 to the desired to bring length. Comparable to the first and the second embodiment, a first elastomer 2 is embedded in the foam-like material 10 . This is overlaid by a second elastomer 3, which has a smaller layer thickness than the first elastomer 2. Like the first and second embodiments, the foam-like material 10 has an upper side 10A and an underside 10B. As in the first and second embodiment, the second elastomer layer 3 is applied on one side, the upper side 10A. An adhesive layer 4 , for example an adhesive tape for fastening the component 4 to a pedestal 7 , is in turn provided on the underside 10B.

Fig. 3b ) zeigt die dritte Ausführungsform in einem eingebauten Zustand. Die Schicht aus erstem Elastomer 2 und die über dieser Schicht angeordnete Schicht aus zweitem Elastomer 3 liegt im horizontalen Bereich des Hohlraums. Im Unterschied zur ersten Ausführungsform füllt die dritte Ausführungsform nur einen der beiden vertikalen Hohlräume zwischen dem Treppenlauf 5 und dem Podest 7 aus. Figure 3b ) shows the third embodiment in an installed state. The layer of first elastomer 2 and the layer of second elastomer 3 overlying this layer lie in the horizontal portion of the cavity. In contrast to the first embodiment, the third embodiment only fills one of the two vertical cavities between the flight of stairs 5 and the platform 7 .

Fig. 4a ) zeigt die zweite Ausführungsform 102 und die erste Ausführungsform 100 des erfindungsgemässen Bauelements im eingebauten Zustand zwischen dem Boden 6 und dem Treppenlauf 5. Die Anordnung ist bereits unter Fig. 1b) und unter Fig. 2a) beschrieben. Figure 4a ) shows the second embodiment 102 and the first embodiment 100 of the component according to the invention in the installed state between the base 6 and the flight of stairs 5. The arrangement is already below Fig. 1b ) and under Figure 2a ) described.

Fig. 4b ) zeigt eine vierte Ausführungsform 103 des erfindungsgemässen Bauelements. Die vierte Ausführungsform weist ebenfalls eine Dämmlagerschicht 1 auf, wobei diese Dämmlagerschicht 1 wiederrum ein schaumförmiges Material 10 umfasst. In das schaumförmige Material 10 ist ein erstes Elastomer 2 eingebettet. In der vierten Ausführungsform ist sowohl an der Unterseite 10B als auch an der Oberseite 10A im Bereich des ersten Elastomers 2 eine Schicht eines zweiten Elastomers 3A, 3B vorgesehen, wobei die Schicht 3A dünner ausgebildet ist als das erste Elastomer 2. Gleiches gilt für die Schicht 3B die in der in Fig. 4b) gezeigten Ausführungsform gegenüber der Schicht 3A angeordnet ist. Das erste Elastomer 2 liegt zwischen diesen beiden Schichten. Figure 4b ) shows a fourth embodiment 103 of the component according to the invention. The fourth embodiment also has an insulating bearing layer 1 , this insulating bearing layer 1 in turn comprising a foamed material 10 . A first elastomer 2 is embedded in the foam-like material 10 . In the fourth embodiment, a layer of a second elastomer 3A, 3B is provided both on the bottom 10B and on the top 10A in the area of the first elastomer 2, with the layer 3A being thinner than the first elastomer 2. The same applies to the layer 3B the in the in Figure 4b ) shown embodiment is arranged opposite the layer 3A. The first elastomer 2 lies between these two layers.

Vergleichbar mit der ersten und der dritten Ausführungsform kann alternativ in der schaumförmigen Materialschicht 10 eine oder mehrere Einkerbungen 11A, 11B vorgesehen sein sowie Einschnitte die das Ablängen des schaumförmigen Materials erleichtern.Comparable to the first and the third embodiment, one or more indentations 11A, 11B can alternatively be provided in the foam-like material layer 10, as well as cuts that facilitate cutting the foam-like material to length.

Fig. 5 a) und Fig. 5 b) zeigen zwei mögliche Ausführungsvarianten von Anordnungen des zweiten Elastomers 3, 3' in der schaumförmigen Materialschicht 10 im Grundriss. In Fig. 5a) ist das zweite Elastomer 3 als ein durchgängiger Streifen in der schaumförmigen Materialschicht eingebettet. In Fig. 5b) ist der Streifen nicht durchgängig und durch die schaumförmige Materialschicht unterbrochen. Fig. 5 a) and Fig. 5 b) show two possible variants of arrangements of the second elastomer 3, 3 'in the foam-like material layer 10 in plan. In Figure 5a ) the second elastomer 3 is embedded as a continuous strip in the foam-like material layer. In Figure 5b ) the strip is not continuous and is interrupted by the foam-like layer of material.

In Fig. 5a) und b) nicht sichtbar ist, dass mindestens eine der beiden Seiten 10A, 10B der schaumförmigen Materialschicht 10 im Bereich des ersten Elastomers 3, 3' eine weitere Schicht eines zweiten Elastomers 3 aufweisen, wobei diese Schicht dünner ausgebildet ist als das erste Elastomer 2.In Figure 5a ) and b) it is not visible that at least one of the two sides 10A, 10B of the foam-like material layer 10 has a further layer of a second elastomer 3 in the area of the first elastomer 3, 3', this layer being thinner than the first elastomer 2 .

In den vier Ausführungsformen des erfindungsgemässen Bauelements 100, 102, 103, 104 liegt die Schichtdicke des zweiten Elastomers 3 zwischen 2 mm und 5 mm. Das erste und das zweite Elastomer 2, 3 weisen unterschiedliche Shore A Härten auf. Die Shore A Härte des ersten Elastomers 2 ist höher als die Shore A Härte des zweite Elastomers 3. Die Shore A Härte des ersten Elastomers 2 liegt im Bereich Shore A 50-70, vorzugsweise bei 60. Das zweite Elastomer 3 weist eine um 5 -10 geringere Shore A Härte auf als das erste Elastomer 2. Beim ersten und/oder bei zweiten Elastomer handelt es sich beispielsweise um Gummi oder Ethylen Propylen Dien Kautschuk (EPDM) oder Polyurethan (PU) mit einer unterschiedlichen Shore A.In the four embodiments of the component 100, 102, 103, 104 according to the invention, the layer thickness of the second elastomer 3 is between 2 mm and 5 mm. The first and the second elastomer 2, 3 have different Shore A hardnesses. The Shore A hardness of the first elastomer 2 is higher than the Shore A hardness of the second elastomer 3. The Shore A hardness of the first elastomer 2 is in the Shore A range of 50-70, preferably 60. The second elastomer 3 has a hardness of 5 - 10 lower Shore A hardness than the first elastomer 2. The first and/or second elastomer is, for example, rubber or ethylene propylene diene rubber (EPDM) or polyurethane (PU) with a different Shore A.

BEZEICHNUNGSLISTENAME LIST

11
Dämmlagerschichtinsulation layer
22
erstes Elastomerfirst elastomer
3, 3'3, 3'
zweites Elastomersecond elastomer
44
Klebeschichtadhesive layer
55
Treppenlaufflight of stairs
66
BodenFloor
77
Podestpedestal
1010
schaumförmige Materialschichtfoam layer of material
10A10A
Oberseite des schauförmigen Materialstop of the show-shaped material
10B10B
Unterseite des schaumförmigen MaterialsUnderside of the foamy material
11, 11A, 11B11, 11A, 11B
Einkerbungnotch
12, 12A, 12B12, 12A, 12B
Einschnittincision
100, 102, 103, 104100, 102, 103, 104
Bauelementcomponent

Claims (13)

  1. A structural element (100) for the decoupling of impact sound for stair flights, with an insulating bearing layer (1) that can be inserted between a stair flight (5) and a floor (6) supporting the latter, or a landing (7) supporting the latter, wherein the insulating bearing layer (1) comprises a foamed material layer (10) with an upper face (10A) and a lower face (10B), in which a first elastomer (2) is embedded; on at least one of the two faces (10A, 10B) in the region of the first elastomer (2) at least one layer of a second elastomer (3) is provided, wherein this layer is designed to be thinner than the first elastomer (2), characterised in that, the first elastomer (2) and the second elastomer (3) have different Shore A hardnesses, wherein the first elastomer (2) has a higher Shore A hardness than the second elastomer (3).
  2. The structural element for the decoupling of impact sound according to Claim 1, characterised in that, the second elastomer (3) has a layer thickness of 2 mm - 5 mm.
  3. The structural element according to Claim 1, characterised in that, the first elastomer (2) has a Shore A hardness in the Shore A range 50 - 70, preferably 60.
  4. The structural element according to Claim 1 or 3, characterised in that, the second elastomer (3) has a Shore A hardness that is 5 - 10 Shore A units lower than that of the first elastomer (2).
  5. The structural element according to one of the preceding Claims 1 to 4, characterised in that, the first elastomer (2) and/or the second elastomer (3) takes the form, for example, of rubber, or ethylene propylene diene monomer rubber (EPDM), or polyurethane (PU), with a different Shore A hardness.
  6. The structural element according to one of the preceding claims, characterised in that, the first elastomer (2) has an initial thickness of 10 mm to 20 mm.
  7. The structural element according to Claim 6, characterised in that, the embedded first elastomer (2) has a thickness reduction of 7.5 - 12.5 % under the weight of the stair flight (5), if the thinner layer of the second elastomer (3) has a thickness reduction of 20 - 50 %.
  8. The structural element according to one of the preceding Claims 1 to 7, characterised in that, on the upper face (10A) and on the lower face (10B) of the foam-shaped material layer (10), at least one layer of the second elastomer (3) is provided in the region of the first elastomer (2).
  9. The structural element according to one of the preceding Claims 1 to 8, characterised in that, at least one layer of the second elastomer (3) is provided on the upper face (10A) of the foamed material layer (10) in the region of the first elastomer (2), and an adhesive layer (4), for example an adhesive tape, is provided on the lower face (10B).
  10. The structural element according to one of the preceding claims, characterised in that, between the first elastomer (2) and the second elastomer (3) a nonelastomeric, essentially pressure-resistant, layer, in particular a sheet metal plate, is provided, which is significantly thinner than the foamed material layer (10) with the first elastomer (2) embedded therein, and the layer of the second elastomer (3).
  11. The structural element according to one of the preceding claims, characterised in that, a fibrous reinforcement is provided in the layer of the second elastomer (3) for purposes of stiffening against elongation.
  12. The structural element according to Claim 11, characterised in that, the layer of the second elastomer (3) has the fibrous reinforcement on the face that is facing towards the first elastomer (2).
  13. The structural element according to one of the preceding claims, characterised in that the foamed material layer (10) has in its upper face (10A) and/or its lower face (10B) at least one notch (11) for purposes of folding the component, preferably through 90°, and/or at least one incision (12) for purposes of facilitating a detachment of excess foamed material layer (10).
EP20163412.8A 2019-03-29 2020-03-16 Structural element for uncoupling footfall sound Active EP3715550B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00409/19A CH716008A2 (en) 2019-03-29 2019-03-29 Component for footfall sound decoupling.

Publications (2)

Publication Number Publication Date
EP3715550A1 EP3715550A1 (en) 2020-09-30
EP3715550B1 true EP3715550B1 (en) 2023-05-24

Family

ID=70049823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20163412.8A Active EP3715550B1 (en) 2019-03-29 2020-03-16 Structural element for uncoupling footfall sound

Country Status (2)

Country Link
EP (1) EP3715550B1 (en)
CH (1) CH716008A2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH451458A (en) * 1966-07-20 1968-05-15 Kilcher Bauisolationen Ag Support between components, especially concrete components
DE2334332A1 (en) * 1973-07-06 1975-01-23 Isogleitchemie Handels Gmbh Fire-resistant statically effective rubber structural bearing - set in frame of elastic fire or heat-resistant material
DE8621595U1 (en) * 1986-08-12 1986-10-23 GLT Gleit- und Lagertechnik GmbH, 5620 Velbert Stair bearing

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Publication number Publication date
CH716008A2 (en) 2020-09-30
EP3715550A1 (en) 2020-09-30

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