EP1905915B1 - Méthode de production d'une dalle de béton, et dalle de béton produite par cette méthode - Google Patents

Méthode de production d'une dalle de béton, et dalle de béton produite par cette méthode Download PDF

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Publication number
EP1905915B1
EP1905915B1 EP06405414.1A EP06405414A EP1905915B1 EP 1905915 B1 EP1905915 B1 EP 1905915B1 EP 06405414 A EP06405414 A EP 06405414A EP 1905915 B1 EP1905915 B1 EP 1905915B1
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Prior art keywords
granulate
layer
binder
concrete
grains
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EP06405414.1A
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German (de)
English (en)
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EP1905915A1 (fr
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Tabsilent GmbH
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Tabsilent GmbH
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    • 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
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • 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

Definitions

  • the invention relates to the field of building technology and in particular to a method for producing a concrete ceiling and to a ceiling produced by this method.
  • DE 38 37 430 A1 describes the production of moldings from a mixture of plastic, preferably acrylic resin and hardener, with pebbles.
  • the goal is the production of molded parts, in which the natural shape and color of natural stones to full advantage. It is the production of plates for Describe facade cladding, wherein the stones are compacted with the uncured plastic in a mold by shaking.
  • WO 02/096824 A1 discloses the production of wall elements which consist of a granulate whose grains are glued to a synthetic binder.
  • the amount of binder is preferably such that the wall elements remain vapor permeable.
  • the elements may be formed as smaller tiles or as larger plates, and are preferably attached to a support plate for stabilization.
  • DE 1 609 519 shows a lower layer of lightweight concrete with expanded clay or expanded slate as a supplement.
  • a main reinforcement is embedded as Switzerlandarmmaschine.
  • DE 1 658 804 shows a ceiling with a lightweight concrete layer, in which the entire reinforcement is inserted into the lightweight concrete layer.
  • a lightweight concrete aerated concrete is not mentioned as advantageous, and it is also described foam concrete with enclosed foam pieces.
  • NL 1 018 156 shows a concrete pavement with a "light core (8)", which has a mortar with light aggregates such as expanded clay, plastic grains, foam or lumps.
  • NEITHALATH N. ET AL Acoustically Efficient Concretes Through Engineered Pore Structure, 2005-01-03, AUTOCLAVED AERATED CONCRETE: PROPERTIES AND STRUCTURAL DESIGN, FARMINGTON HILLS, ME. : AMERICAN CONCRETE INST., 2005, US, pp. 135-152 , inter alia, describes an "enhanced porosity concrete" with open pores and its properties for sound absorption.
  • the grains of the granules are wetted on all sides by the binder, so that the contact surfaces of the individual grains stick to each other and thus secure the compound of the mass, but retain spaces between the grains, channels form through the granular layer, and thus ensure the required sound absorption.
  • the granule layer is produced in a freely selectable form as part of the ceiling so there are no prefabricated panels on the - possibly irregular - shape of the ceiling are cut and there are no dividing lines between plates.
  • Good heat-conducting materials are preferably chippings or pebbles made of stone, or metal chips or grains of metal. Of course, a mixture of such different types of grains can be used to meet predetermined criteria with respect to heat conduction and sound absorption and possibly color design. If the thermal conductivity plays a minor role, too Grains or grit from clay or expanded clay can be used. If the granule layer remains unpainted, other materials (glass breakage, fine metal shot, colored gravel) and material combinations can be used for decorative design.
  • the proportion of the surface of the granular layer is limited to the entire ceiling surface, so there are only one or more sub-areas provided with a granular layer.
  • This limitation is preferably done by placing spacers, forming one or more frames, on the formwork. Then the filler is poured and distributed within the frame or frames on the formwork.
  • the Distanzleiterslatte also form a reference for subtracting the filler en Maschinenend the height of Distanz michslatten. After the granules have hardened, the spacer slats can be removed again. It is also possible, if the entire ceiling surface is to be provided with the granular layer, to use the Distanztechnikslatten only for distancing, to remove them after peeling off the filler and to fill the gaps thus formed with the filler.
  • the ratio between granules and binder depends i.A. From the Komworth and porosity of the granules and can be determined in a simple manner by experiments.
  • heat-conducting sheet can be arranged in the granulate layer, which leads into the concrete layer of the ceiling.
  • reinforcing iron passed through the region of the granule layer. For this, the reinforcements are placed before pouring the granule layer. This is especially advantageous for thicker granule layers for mechanical anchoring as well as for heat dissipation.
  • the concrete ceiling on thermo-active elements such as heating pipes or cooling pipes, which accomplish a heat transfer from or to the ceiling. Due to the granulate layer and / or areas without granulate layer, the ceiling is coupled to the room in terms of heat conduction, so that an efficient heat exchange with the room is possible.
  • an air-permeable plaster in particular a microporous white plaster, is applied to the underside of the ceiling.
  • This air permeability ie the presence of continuous channels in the plaster layer, means that sound energy also passes through the plaster, and can be absorbed in the granular layer.
  • the ceiling soffit is coated or covered with a fabric, fleece or other open-pored cover material to provide an acoustically effective separation between the space and the granule layer. If desired, after the stripping of the element, however, the surface of the granule layer can also be left so or only be painted.
  • FIG. 1 shows a formwork 3 with applied Distanztechnikslatten 5.
  • a release film 4 for example, made of polyethylene or other plastic inserted to facilitate the removal of the formwork 3 later.
  • the height of the formwork 3 corresponds to the height of the bottom view of the future ceiling.
  • the granulate layer 2 can be limited to a partial area of the ceiling with the distancing battens 5 and on the other hand the height of the granular layer 2 can be defined by removing the filling material by hand up to the height of the distancing battens 5.
  • a thickness of the granule layer 2 is preferably 2 cm to 20 cm and in particular 4 cm to 8 cm. After curing or setting of the binder of the granular layer 2, the spacer slats 5 can be removed.
  • the grain size of the granules with fine grain size is preferably 0.5 mm to 10 mm and in particular 1 mm to 5 mm or 7 mm.
  • the granules preferably have grains of grit, gravel, or a mixture of such grains.
  • chippings usually results in a better connection of the grains with each other because of the flat fracture surfaces of the individual grains - in comparison to round grains of pebbles.
  • the binder for bonding or bonding the granules of the granules is preferably a mineral binder based on cement, gypsum or ceramic materials, or a plastic binder based on acrylic compounds (acrylic resins), polyurethane or the like. Preference is given to using heat-resistant substances with low smoke formation.
  • the various types of granules described are freely combinable with the different types of cattle.
  • a plastic binder has two components, such as resin and hardener, which are combined before or during mixing with the granules.
  • the binder is preferably mixed with the granules by means of a compulsory mixture, ie by stirring - in contrast to a drum mixer.
  • a compulsory mixture ie by stirring - in contrast to a drum mixer.
  • FIG. 2 shows the situation after introduction of filler material to form a granular layer 2. Because the granule layer is produced on the construction itself, no support plates for mechanical stabilization are required, as is the case with prefabricated plates.
  • optional heat-conducting sheets 10 are shown on the left-hand side of the granulate layer 2 (in the case of actual use of heat-conducting sheets 10, these would preferably be distributed over the entire granulate layer 2).
  • the heat-conducting sheets 10 protrude into the region of the future bedding roof and improve the heat transfer between the granulate layer 2 and concrete.
  • the heat conducting plates 10 have, for example, profiles in the form of an "S", or a horizontal "U” or "H". Alternatively or additionally, anchoring brackets can also be inserted into the granulate layer 2.
  • FIG. 3 shows the situation after concreting the ceiling and forming a reinforced concrete layer 8.
  • the reinforcement 6 and preferably other elements such as heating or cooling pipes are placed as thermo-active elements 7.
  • a sealing layer is used up on the granule layer 2 prior to casting of the concrete. This consists for example of a cement slurry or a plastic and prevent the penetration of cement slurry from the concrete into the pores of the granular layer 2.
  • the concrete layer adheres to the Granule layer 2 sufficiently strong, so that - with a thickness of the granular layer 2, for example, to ten or more centimeters - no special anchoring of the granular layer 2 is required.
  • FIG. 4 shows the ceiling after removing the formwork 3 and optionally the release film 4 and after attaching an optional plaster 9.
  • the plaster or top coat 9 is made of an open-pore or microporous material, so it is permeable to air. Thus, sound energy can pass through the top coat 9 in the Granulate layer 2 are passed, where it is absorbed.
  • the top coat 9 can be attached, for example, in a known manner by mounting.
  • the top coat 9 may be constructed in a single-layer or multi-layered.
  • a suitable plastering material is sold, for example, by BASWAacoustic AG, Marmorweg 10, CH-6283 Baldegg, under the brand name "BASWAphon", or by Sto AG, Ehrenbumblestr. 1, D-79780 Stühlingen under the brand name "StoSilent".

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Claims (11)

  1. Procédé de fabrication d'un plafond (1) en béton dans un bâtiment, le procédé présentant les étapes suivantes :
    formation d'un coffrage horizontal (3),
    répartition d'une charge sur le coffrage (3), la charge étant constituée d'un mélange d'un granulé et d'un liant,
    durcissement du liant et formation d'une première couche (2),
    pose d'éléments d'armature (6) et facultativement d'autres éléments (7) à incorporer dans le béton,
    coulée et durcissement d'une couche de béton (8) audessus de la première couche,
    caractérisé en ce que
    la première couche (2) est une couche de granulé et le rapport de mélange entre le granulé et le liant est sélectionné de telle sorte que d'une part les grains de granulé soient reliés les uns aux autres par le fait que des surfaces de contact des différents grains adhèrent les unes aux autres et que d'autre part qu'il reste entre les grains des espaces intermédiaires continus qui forment des canaux qui traversent la couche de granulé et qui ont pour effet une absorption du bruit dans la couche de granulé et
    en ce qu'avant la coulée de la couche de béton (8), une couche de scellement est appliquée sur la couche de granulé (2).
  2. Procédé selon la revendication précédente, dans lequel l'étape de formation du coffrage contient la pose d'une feuille de séparation (4) sur le coffrage (3).
  3. Procédé selon l'une des revendications précédentes, dans lequel, avant la répartition du mélange constitué du granulé et du liant, des lattes d'écartement (5) sont posées sur le coffrage horizontal (3) et sont ensuite enlevées.
  4. Procédé selon l'une des revendications précédentes, dans lequel la granulométrie du granulé est comprise entre 0,5 mm et 10 mm et de préférence entre 1 mm et 5 mm.
  5. Procédé selon l'une des revendications précédentes, dans lequel le granulé présente des grains de pierrailles, de gravillons ou d'un mélange de ces grains et en particulier dans lequel le liant est un liant synthétique, un liant à base de ciment, un liant à base de gypse ou un liant céramique.
  6. Procédé selon l'une des revendications précédentes, dans lequel le granulé présente des grains de métal et/ou des morceaux de métal et/ou le granulé présente des grains d'argile ou d'argile expansé.
  7. Procédé selon l'une des revendications précédentes, dans lequel l'épaisseur de la couche de granulé est comprise entre 2 cm et 20 cm et de préférence entre 4 cm et 8 cm.
  8. Procédé selon l'une des revendications précédentes, dans lequel au plus tard avant la coulée de la couche de béton (8) et de préférence avant la répartition du mélange constitué du granulé et du liant, des tôles (10) de conduction thermique sont placées, sont incorporées dans la couche de granulé (2) et débordent de préférence dans la direction verticale hors de la couche de granulé (2) pour ainsi être englobées ensuite par le béton (8).
  9. Procédé selon l'une des revendications précédentes, dans lequel les autres éléments (7) à incorporer sont des éléments thermoactifs, par exemple des conduits de chauffage ou de refroidissement.
  10. Procédé selon l'une des revendications précédentes, dans lequel après la coulée et le durcissement du béton (8), le coffrage (3) est enlevé et un enduit (9) perméable à l'air est appliqué sur la face inférieure de la couche de granulé (2).
  11. Plafond en béton, réalisé selon l'une des revendications précédentes, et présentant une couche de granulé constituée d'un mélange d'un granulé et d'un liant, au-dessus de laquelle est placée une couche de béton dans laquelle les éléments d'armature et facultativement d'autres éléments sont incorporés, le rapport de mélange entre le granulé et le liant de la couche de granulé étant sélectionné de telle sorte que d'une part les grains de granulé sont reliés les uns aux autres par le fait que les surfaces de contact des grains individuels adhèrent les unes aux autres et que d'autre part des espaces intermédiaires continus sont formés entre les grains, formant des canaux traversant la couche de granulé et ayant pour effet une absorption du bruit dans la couche de granulé, une couche de scellement étant placée sur la couche de granulé entre la couche de granulé et la couche de béton.
EP06405414.1A 2006-09-29 2006-09-29 Méthode de production d'une dalle de béton, et dalle de béton produite par cette méthode Active EP1905915B1 (fr)

Priority Applications (1)

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EP06405414.1A EP1905915B1 (fr) 2006-09-29 2006-09-29 Méthode de production d'une dalle de béton, et dalle de béton produite par cette méthode

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Application Number Priority Date Filing Date Title
EP06405414.1A EP1905915B1 (fr) 2006-09-29 2006-09-29 Méthode de production d'une dalle de béton, et dalle de béton produite par cette méthode

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EP1905915A1 EP1905915A1 (fr) 2008-04-02
EP1905915B1 true EP1905915B1 (fr) 2016-03-09

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Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
DE102010025445A1 (de) * 2010-02-13 2011-08-18 Bühler, Armin, 87733 Schallabsorbierender Baukörper

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2905067A1 (de) * 1979-02-10 1980-08-14 Eugen Bauer Schallschluckverkleidung

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
DE1609519A1 (de) 1966-05-13 1970-04-30 Erich Stochmann Stahlbetondecke
DE1658804A1 (de) 1968-02-01 1970-11-12 Basf Ag Deckenkonstruktion
NL1018156C1 (nl) 2001-05-28 2002-12-03 Josephus Joannes N Lichtenberg Sandwichvloeren.
WO2002096824A1 (fr) 2001-05-29 2002-12-05 Gojo, Naamloze Vennootschap Element de paroi, parement pour parois, elements de paroi et analogues

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2905067A1 (de) * 1979-02-10 1980-08-14 Eugen Bauer Schallschluckverkleidung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEITHALATH N ET AL: "Acoustically Efficient Concretes Through Engineered Pore Structure", 3 January 2005, AUTOCLAVED AERATED CONCRETE : PROPERTIES AND STRUCTURAL DESIGN, FARMINGTON HILLS, MICH. : AMERICAN CONCRETE INST., 2005, US, PAGE(S) 135 - 152, ISBN: 978-0-87031-175-8, XP008174190 *

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