EP3336272B1 - Composant en bois préfabriquée et mur un système de parois et de plafonds acoustiques - Google Patents

Composant en bois préfabriquée et mur un système de parois et de plafonds acoustiques Download PDF

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Publication number
EP3336272B1
EP3336272B1 EP17207085.6A EP17207085A EP3336272B1 EP 3336272 B1 EP3336272 B1 EP 3336272B1 EP 17207085 A EP17207085 A EP 17207085A EP 3336272 B1 EP3336272 B1 EP 3336272B1
Authority
EP
European Patent Office
Prior art keywords
boards
building element
sound
grooves
plate
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.)
Active
Application number
EP17207085.6A
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German (de)
English (en)
Other versions
EP3336272A1 (fr
Inventor
Ivan Tschopp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tschopp Holzbau AG
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Tschopp Holzbau AG
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Filing date
Publication date
Priority claimed from CH01673/16A external-priority patent/CH713253A2/de
Application filed by Tschopp Holzbau AG filed Critical Tschopp Holzbau AG
Publication of EP3336272A1 publication Critical patent/EP3336272A1/fr
Application granted granted Critical
Publication of EP3336272B1 publication Critical patent/EP3336272B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/12—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of solid wood
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, 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
    • E04B1/84—Sound-absorbing elements
    • E04B1/86—Sound-absorbing elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, 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
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, 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
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8457—Solid slabs or blocks
    • E04B2001/8461—Solid slabs or blocks layered
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/12—Load-carrying floor structures formed substantially of prefabricated units with wooden beams

Definitions

  • the invention relates to a prefabricated component made of wood according to the preamble of patent claim 1 and an acoustic wall and ceiling system according to claim 9.
  • the acoustics is a major problem.
  • the floors in such buildings have a smooth surface, such as stone slabs or wood flooring.
  • a similar construction which is designed as a wooden ceiling element or as a wooden wall element, is from the EP 2 196 592 B1 known.
  • wood boards are arranged side by side analogous to the above-mentioned embodiment and connected by wooden dowels. Even with this wooden ceiling sound insulation elements are inserted in lateral grooves on the boards. Slots in the boards allow the sound to enter from below into the soundproofing elements, where the sound is ultimately absorbed.
  • a wood prefabricated element according to EP 2 080 845 B1 are inserted between rectangular boards sound-absorbing elements that extend either over the entire height of the boards or only over a partial area.
  • individual boards are shifted upwardly with respect to the adjacent ones and project beyond the upper edges of the adjacent boards and sound insulation elements. Below each up shifted boards results in a groove, which is formed laterally of soundproofing elements. This is intended to dampen the sound waves entering the grooves.
  • An object of the present invention is to provide a prefabricated device having a highest possible degree of sound absorption. Another task is the Creation of a component with which at the same time a load-bearing ceiling can be created, ie the component should not only have optimal sound absorption properties, but be suitable directly as a ceiling or supporting element for an overlying floor. A further object is the provision of a component which, on the one hand, has optimum sound absorption properties and, on the other hand, is suitable as permanent formwork with static properties for a concrete floor to be created above it.
  • Another object of the invention is to provide an acoustic wall and ceiling system for school and seminar rooms, which on the one hand ensures optimal sound insulation and on the other hand does not suppress the audibility of the speaker's voice.
  • an acoustic component with optimal sound absorption or sound absorption values can be achieved.
  • the component has a high load-bearing capacity when used directly as a ceiling or as a permanent formwork for a wood-concrete composite ceiling.
  • the desired sound absorption can be adapted to the respective requirements by the ratio of the width of the boards and the width of the intermediate sound-absorbing plates.
  • Another possibility for adaptation consists of the measure of the vertical length of the boards between the boards.
  • the device can be adapted to the given circling circumstances.
  • further advantages can be produced, namely of the loose fibers existing plates by any shocks peeling fibers are retained and can not get into the room and on the other hand can already by the porous body part of the sound waves are absorbed.
  • An intervening space prevents the direct transmission of vibrations of the porous body, if any, to the lower face of the plate.
  • the sound in particular the sound of voices instead of absorbed, is now reflected on the otherwise sound-absorbing components.
  • This makes it possible to create a ceiling or wall paneling that is designed to be completely uniform throughout the room, but to reflect on the speaker's voice and to pass it on to the listeners, while at the same time silencing sounds from the audience area.
  • the acoustics system is simple in design, laying over the speaker plates with reflective inserts and the remaining areas of the room with sound-absorbing panels with the same look.
  • the sound-absorbing panels can be made in one piece or one or more spaces can be left free, in which pipes for receiving electrical cables, glass fiber strands or pipes for water for heating purposes or as process water can be inserted. Furthermore, below a continuous sound absorbing plate, or a those which is divided into several individual plates, a light band, for example, a LED populated light strip, are used.
  • reference numeral 1 denotes a prefabricated component.
  • the component 1 comprises a plurality of vertically arranged boards 3, which consist of solid wood or plywood.
  • the boards 3 have a width a and a height h.
  • the boards 3 are spaced along the side surfaces in the region of the lower edge 5 to the latter on both sides grooves 7 embedded.
  • the grooves 7 have a depth c and a base width d.
  • the grooves 7 are at a distance e from the edge 5.
  • Each board 3 is thus provided on both sides with a groove 7 and has as a whole a rectangular cross-section which extends from the lower edge 5 to the upper edge 9.
  • a sound absorbing plate 11 made of organic or inorganic fibers is inserted between the juxtaposed boards 3, a sound absorbing plate 11 made of organic or inorganic fibers is inserted.
  • a rectangular cross-section plate 11 extends between the upper edge 9 and the upper edge ok of the groove 7, preferably the plate 11 ends at a distance above the groove 7.
  • the above-lying free surface of the plate 11 is slightly opposite to the set back the upper edge 9 of the board 3.
  • the lower end face 15 of the plate 11 can, as in FIG. 4 shown aligned with the upper edges ok of the grooves 7 or, as in the FIGS. 1 to 3 and 5 to 7 can be seen, offset upwards to lie.
  • a porous body 17 is inserted between the opposing grooves 7 each two adjacent boards 3, a porous body 17 is inserted.
  • the upper surface of the body 17 is spaced from the lower end surface 15 of the plate 17, so that between the body 17 and the plate 11, a gap 19 is formed.
  • the body 17 may extend over the entire height or width d of the base of the groove 7; it can also rest only on the lower side edge uk of the groove 7 and have a thickness which is smaller than the basic width d of the groove. 7
  • the wooden dowels 21st can either be penetrating from board 3 to board 3 and the plate 11 or preferably extend over a larger number, eg six boards 3 and five plates 11.
  • the insertion of the dowels 21 takes place by drilling the stacked boards 3 and plates 11 and by pressing a correspondingly long dowel 21, for example made of beech wood.
  • Such assembled boards 3 and plates 11 are close together and need no further connection, for example with a glue.
  • dowels 21 are inserted at regular intervals. Alternatively, the elements could also be mutually connected only with glue or by a screw connection.
  • one or more plates 11 may be interrupted in height and form a cavity 25.
  • a cavity 25 can Pipes or lines are inserted, which serve for various purposes of domestic installation.
  • the porous bodies 17 also act as sound insulation and on the other hand they prevent loose fibers from escaping from the overlying fibrous plates 11 and can fall to the floor.
  • 17 can produce optical effects with the color design of the porous body, which interrupt the surfaces of the components used as wall or floor elements 1.
  • the absorption volume of the body 11 is able to reach an absorption degree of 0.75.
  • This can be achieved in particular because the cross section of the plate 11 corresponds to the cross section of the opening between the lateral edges of the boards 3.
  • a slightly lower degree of absorption is achieved when the width b of the plate 11 corresponds to about half the width a of the board 3.
  • the high degree of sound absorption can be achieved when the plate 11 extends substantially over the entire height of the board 3, which lies above the grooves 7.
  • the optimum values for the dimensions of the boards 3 and the plates 11 are as follows: a 30 mm to 60 mm, preferably 40 mm; Height h 100 mm to 300 mm, preferably 160 mm to 260 mm.
  • FIG. 9 shows a vertical section through a prefabricated component 101, whose structure corresponds to those components, as shown in the FIGS. 1 to 7 have been shown and described.
  • a reflector plate 123 is inserted over the porous body 7 in this embodiment.
  • the reflector plate 123 may rest directly on the porous body 17 and at the same time on the underside of the plate 11. Alternatively, there may be a gap between the reflector plate 123 and the porous body 17 and / or the plate 11.
  • the porous body 17 is essentially only the optics, that is the view of the device 101 corresponds exactly to those in the FIGS. 1 to 7 have been described.
  • the reflector membrane 123 itself has the task here, for example, in a school or seminar room, the language of a sitting under the component 101 or lecturer not or only to attenuate, but to reflect on the ceiling and / or the walls into the audience. For this reason, the reflector plate 123 is preferably made of metal with a smooth surface.
  • FIG. 8 In the FIG. 8 is denoted by the letter A, the sound or voice source and the arrows P represent schematically the acoustic waves of a speaker's voice.
  • the area of the ceiling with the hatched area is covered with components 1 according to claims 1 to 6; the central area with simple hatching represents the components 1 with reflective inserts according to FIG. 9 and claims 7 and 8.
  • Such no longer sound-absorbing components 101 are arranged in school and seminar rooms in the area above, possibly also adjacent to the areas where the speaker or speakers, so that the language is reflected on the device 101 and is forwarded to the listener in the room ,
  • noises caused by the listeners in the room or from outside the room are absorbed by the remaining components 1 without reflecting membrane 123.
  • the Volume of the talking lecturer can be maintained and at the same time noise from the room and from the outside can be suitably insulated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Building Environments (AREA)

Claims (10)

  1. Composant préfabriqué (1) en bois pour la réalisation de parois acoustiques ou de plafonds acoustiques dans des bâtiments, comprenant une pluralité de planches (3) disposées les unes à côté des autres et reliées entre elles, avec un bord supérieur (9) et un bord inférieur (5), et une plaque absorbant les sons respective (11) insérée entre les planches (3) ainsi que des corps poreux placés entre une rainure latérale respective (7) dans les planches (3),
    caractérisé en ce que
    - les planches (3) présentent une section de forme rectangulaire,
    - les rainures (7) s'étendant le long de la planche (3) sont réalisées dans les surfaces latérales des planches (3) à distance du bord inférieur (5),
    - au moins l'une des plaques absorbant les sons (11), présentant une section de forme rectangulaire, laquelle s'étend entre les bords supérieurs (9) des plaques (3) voisines et les flancs supérieurs (ok) des rainures (7), est insérée entre deux planches voisines (3),
    - la plaque (11) maintient les planches (3) dans une position mutuellement à distance, et
    - les corps poreux (17) sont disposés dans les rainures (7) et reposent sur les bords se trouvant en dessous (uk), dans les rainures (7).
  2. Composant selon la revendication 1, caractérisé en ce que la largeur a des planches (3) est supérieure ou égale à la largeur b de la plaque absorbant les sons (11), de préférence, la largeur a des planches est égale à une à deux fois la largeur b de la plaque (11).
  3. Composant selon la revendication 2, caractérisé en ce que la largeur a est de 30 mm à 60 mm et la hauteur h de 100 mm à 300 m.
  4. Composant selon l'une des revendications 1 à 3,
    caractérisé en ce qu'un espace intermédiaire (19) se trouve entre le bord inférieur (15) de la plaque (11) et le côté supérieur du corps poreux (17).
  5. Composant selon l'une des revendications 1 à 4,
    caractérisé en ce qu'un des corps poreux (17) dont la hauteur est inférieure ou égale à l'extension verticale d'une des rainures (7) est disposé dans la rainure (7).
  6. Composant selon l'une des revendications 1 à 5,
    caractérisé en ce que les planches (3) et les plaques (11) insérées entre les planches (3) sont maintenues ensemble par des chevilles (21) en bois, par des clous, par des vis et/ou par collage réciproque.
  7. Composant (101) selon l'une des revendications 1 à 6,
    caractérisé en ce qu'une membrane ou une plaque (123) est placée sur ou au-dessus du corps poreux (17).
  8. Composant (101) selon la revendication 7, caractérisé en ce que la membrane (123) présente une surface réfléchissant les sons sur le côté inférieur.
  9. Composant selon l'une des revendications 1 à 8,
    caractérisé en ce qu'une cavité (25) ou plusieurs cavités (25) est/sont formée(s) sur une ou plusieurs plaques (11), pour l'accueil de tubes ou de supports en fibre de verre.
  10. Système de parois ou plafonds acoustiques pour salles d'école et de séminaires, comprenant plusieurs composants (1) selon l'une des revendications 1 à 6, caractérisé en ce que des composants (101) avec membranes réfléchissantes (123) sont disposés dans la zone au-dessus du, et/ou latéralement par rapport à l'emplacement du, ou des, composants, et en ce que des composants (1) sans plaques réfléchissantes (123) sont montés dans les autres zones de la salle.
EP17207085.6A 2016-12-16 2017-12-13 Composant en bois préfabriquée et mur un système de parois et de plafonds acoustiques Active EP3336272B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01673/16A CH713253A2 (de) 2016-12-16 2016-12-16 Vorgefertigtes Bauelement aus Holz für die Erstellung von Akustikwänden oder Akustikdecken in Gebäuden.
CH00311/17A CH713303A2 (de) 2016-12-16 2017-03-15 Vorgefertigtes Bauelement aus Holz und ein Akustikwand- und Akustikdeckensystem.

Publications (2)

Publication Number Publication Date
EP3336272A1 EP3336272A1 (fr) 2018-06-20
EP3336272B1 true EP3336272B1 (fr) 2019-07-17

Family

ID=60781509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17207085.6A Active EP3336272B1 (fr) 2016-12-16 2017-12-13 Composant en bois préfabriquée et mur un système de parois et de plafonds acoustiques

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Country Link
EP (1) EP3336272B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29622260U1 (de) * 1996-12-21 1997-02-06 Lignotrend Holzblocktafel Syst Holzbautafel für Decken, Wände und Dächer
DE10122265B4 (de) * 2001-05-08 2008-08-14 Lignotrend Ag Holzbautafel
DE202008000895U1 (de) 2008-01-21 2008-05-08 Kazenwadel, Dieter Massiv-Holz-Decken-Element
DE202008016455U1 (de) 2008-12-15 2009-04-16 Inholz GmbH Holzdübel-Elemente Holzdeckenelement oder Holzwandelement aus von aneinander zusammengefügten Holzbrettern
DE102014000686A1 (de) 2014-01-17 2015-07-23 Kaufmann Gmbh Dübelholzdecke Quedo-Plus

Also Published As

Publication number Publication date
EP3336272A1 (fr) 2018-06-20

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