EP0613985A1 - Gemischter Holz-Beton Baukörper - Google Patents

Gemischter Holz-Beton Baukörper Download PDF

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Publication number
EP0613985A1
EP0613985A1 EP94400446A EP94400446A EP0613985A1 EP 0613985 A1 EP0613985 A1 EP 0613985A1 EP 94400446 A EP94400446 A EP 94400446A EP 94400446 A EP94400446 A EP 94400446A EP 0613985 A1 EP0613985 A1 EP 0613985A1
Authority
EP
European Patent Office
Prior art keywords
sheet
metal
strip
concrete
edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94400446A
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English (en)
French (fr)
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EP0613985B1 (de
Inventor
Daniel Gauthier
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Individual
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Individual
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Publication date
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Publication of EP0613985A1 publication Critical patent/EP0613985A1/de
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Publication of EP0613985B1 publication Critical patent/EP0613985B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04B5/17—Floor structures partly formed in situ
    • E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • 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
    • E04C3/292—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being wood and metal
    • 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
    • E04B5/17—Floor structures partly formed in situ
    • E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • E04B2005/232—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with special provisions for connecting wooden stiffening ribs or other wooden beam-like formations to the concrete slab
    • E04B2005/237—Separate connecting elements

Definitions

  • the present invention relates to the production of construction elements consisting of wooden beams or frames constituting a frame on which a concrete plate or slab is molded. It relates more particularly to the connection between wooden beams or frames and the concrete slab or plate.
  • Sheets of metal sheet embedded in the sides of the joists and cut to form teeth embedded in the concrete after passing through the formwork were used (POUTANEN - TUOMO - TAPANI Patent EP.A1.0104.629).
  • connection uses connectors consisting of cylindrical tubes embedded in the upper face of the wooden beam (PARIS WEST Patent 2,611,778 and EP. 280,228).
  • the object of the present invention is in particular to remedy the disadvantages of the prior art mentioned above so as to be able to be implemented without difficulty on the site without major risks during handling.
  • the construction element according to the invention comprising, in combination of wooden beams, solid, glued laminated, agglomerated of fibers or particles constituting the framework on which a concrete slab is molded, metal reinforcements embedded in this plate, means of connection between the beams, the concrete slab, the metal reinforcements is characterized in that the connection means consist of at least one strip of metal sheet comprising, on a song, spikes allowing the embedding of the metal sheet in each beams, on the sidewall and / or the other edge means ensuring the joining of the strip of metal sheet with the concrete plate and / or the metal reinforcements.
  • the studs allowing the strip of metal sheet to be embedded in each of the beams are produced on one of the edges of the sheet in the form of slots, the ends of which are provided with teeth.
  • the embedding of the strip of metal sheet facilitated by teeth made on the ends of the slots is carried out in the factory using a press operating continuously.
  • These teeth can be coated with glue or resin to ensure a better bond with the wood.
  • the profile of the teeth can promote anchoring in the wood, in particular in the form of a hook allowing the closing of the slot made during the embedding by simple elasticity of the wood.
  • Only the ends of the slots penetrate into the wood of the beams.
  • the slots of the slots are tangent to the surface of the beams so that the discontinuity thus created prevents the wood from splitting under the action of the sheet forming a corner. This risk is very low since the sheet used is generally very thin and it is also possible to use corrugated sheet, therefore without a rectilinear crack initiation.
  • the means ensuring the junction of the strip of metal sheet with the concrete plate and the metal reinforcements consist of stampings and / or cutouts made on the side of the sheet and / or leading to the edge opposite to the edge comprising crampons.
  • the stampings made on the side of the sheet are impressions forming protrusions stamped on one of the sides of the side of the sheet.
  • the stampings and cutouts made on the side of the sheet and leading to the edge opposite to the edge comprising crampons are flares allowing the passage and maintenance of the metal reinforcements.
  • the stampings and / or cuts are made alternately on one side and the other of the side of the sheet.
  • stampings whether they are made on the same side of the sheet or alternatively on one side or the other are intended to increase the rigidity of the sheet and create points or zones for anchoring the sheet in concrete.
  • the stamped cutouts of flared shapes allow the establishment and maintenance of metal reinforcements which are generally in the form of a trellis. It suffices that the pitch of the cutouts of these flares corresponds to the meshes of the wire mesh to ensure its establishment and maintenance.
  • it is more practical to set up the wire mesh after anchoring the strip of metal sheet in the wood it is possible in special cases to position the trellis first and then anchor the strip of sheet metal. In this case the flaring is oriented downwards and made in the upper part of the crenel so as to allow the passage of the metal reinforcements.
  • the wire mesh commonly embedded in the casting of the plate or the concrete slab participates in the distribution of the forces supported by the slab, in particular in punching and transverse bending.
  • the means ensuring the junction of the strip of metal sheet with the concrete slab consist of folds constituting an edge fallen on the edge opposite to the edge comprising crampons. Said fallen edge is made either on the same side of the sheet or alternately on one side or the other.
  • This folding also contributes to the stiffening of the sheet. It also proves to be essential on site in terms of occupational safety to avoid a dangerous sharp edge.
  • the metal sheet embedded in each of the beams and ensuring its junction with the concrete plate and / or the metal reinforcements is a strip of corrugated metal sheet.
  • the pitch of the undulations can be constant or variable.
  • the corrugations can be parallel to each other or convergent, which in the latter case improves the anchoring of the sheet in the concrete.
  • the corrugated sheet has the advantage of avoiding rectilinear initiations of wood cracking. It also has greater resistance to longitudinal compression and better rigidity than rectilinear sheet. For the same beam length, the corrugated sheet is longer than the simply rectilinear sheet as a result of its anchoring in the concrete of the plate or the slab is better, all equivalent stampings.
  • connection means constituted by at least one strip of metal sheet are strips of metal sheets parallel to each other embedded in each of the beams and ensuring their junction with the concrete slab and / or the metal reinforcements.
  • these sheet metal strips could be arranged in any other way, for example convergent or form with the corrugated sheet metal strips non-parallel sinusoids.
  • the building element according to the invention is used for the production of a wood-concrete composite construction floor, its application to the production of panels arranged vertically or inclined, is also within the scope of the invention.
  • the panels are prefabricated before being assembled on site to be used in particular as construction walls, the concrete plate is then the exterior facing, the wooden frames can be either decorative or serve as support for a coating. interior.
  • the space between frames can be used to reinforce the insulation of the wall thus formed and to allow passage to all the hydraulic and electrical easements of the construction.
  • These panels can also be used to support the roofing of a roof, the mounting of the concrete plate is then constituted so as to position and prevent the sliding of channel tiles for example.
  • Figure 1 is a schematic cross-sectional view of a floor according to the invention.
  • Figure 2 is a schematic view in longitudinal section of this floor.
  • Figure 3 is a schematic perspective view of a sheet metal strip providing the connection between the beam, the concrete slab, the metal reinforcements.
  • FIG. 1 the floor according to the invention is shown in cross section.
  • This floor has beams 1 or joists in solid wood 20 cm high and 12 cm wide.
  • These Solid wood beams can advantageously be replaced by glued laminated wood or other derivatives such as fibers or particles of agglomerated wood.
  • a lost formwork 10 is supported by the beams.
  • This formwork can be replaced by paneling with a decorative effect.
  • This paneling 11 can, according to another alternative embodiment, be placed under this lost formwork 10.
  • On the formwork is placed a layer 12 of sound and thermal insulation.
  • a metal trellis comprising metallic reinforcements 3 with a diameter of 6 mm of mesh 100 X 200 mm is placed on strips of metal sheet 4 ensuring the connection between the wooden beams 1, the metallic reinforcements 3 and the concrete slab 2 poured onto the formwork formed by the edge of the beams 1, the lost formwork 10.
  • FIG. 2 there is shown schematically a longitudinal section AA of the floor according to the invention. This section made on the sheet metal strip 4 is shown alone in a perspective view in FIG. 3.
  • the sheet metal strip 4 is made of 8/10 mm thick steel, hot-dip galvanized in accordance with standard NF A.36.322. Its height is 100 mm.
  • This strip of metal sheet 4 is embedded in the wooden beam 1 using crampons 5-6, the slots 5 having a height of approximately 30 mm for a pitch of 100 mm corresponding to the pitch of the flares 8 so as to allow to the reinforcements 3 of the wire mesh to position themselves in these flares and be held there.
  • the metal mesh used has a mesh of 100 ⁇ 200 mm, it can therefore be placed indifferently in one direction or another in the flares 8 of the sheet metal strip 4.
  • the embedding of the strip of metal sheet 4 is operated in the factory using a press operating continuously.
  • a similar press adapted to its implementation on the site can also be envisaged depending on the size of the site.
  • the slots 5 are thus embedded in the wood by simple pressure exerted on the opposite edge.
  • Teeth 6 facilitate penetration into the wood.
  • These teeth may have particular profiles, in particular having a hook 6a or hook ensuring better anchoring because the slot made in the wood after anchoring closes by simple elasticity of the wood.
  • the teeth 6 can also be coated with glue or SENCOTE type resin (registered trademark) which facilitates the penetration of the tooth in the wood and which after fusion of the adhesive due to the release of heat caused by penetration reinforces the adhesion in the wood. This edge can appear as shown in FIG.
  • the flares 8 made alternately on one side and on the other of the sheet are obtained by stampings having fillets so as on the one hand to stiffen the sheet on the other hand to increase the attachment of the sheet 4 in the slab of concrete 2.
  • the flares 8 are produced at the level of the slots of the slots 5 so as to allow the storage of the strip of metal sheet 4 in the form of rolls. It is of course possible to arrange these flares 8 at the teeth 6 of the slots 5 so as to thereby increase the longitudinal rigidity of the metal sheet 4.
  • Stampings 7 with a depth of approximately 7 to 8 mm forming projections are stamped alternately with a either side of the side of the sheet metal strip 4.
  • the lug 7a is of hexagonal section, 7b rectangular, 7c circular. It is obvious that any shape ensuring good attachment of the side of the metal sheet 4 in the concrete slab 2 is possible. Although not shown in these figures it is also possible to provide pre-drilled holes made on the side of the sheet to allow the passage of sheaths, wires, various pipes.
  • the strip of metal sheet 4 can be a strip of corrugated metal sheet. As indicated above, this type of sheet metal in particular avoids the rectilinear initiations of cracking of the wood, increases the anchoring surface in the concrete by offering a better resistance to compression.
  • the metal sheet strips 4 are arranged parallel to each other in a straight line. Although parallel, they could be arranged in the form of sinusoids or any other curve. According to particular needs these strips of sheets could be placed differently. They could for example be convergent, form non-parallel sinusoids or any other curve.
  • the floor produced according to the invention does not have the drawbacks of the prior art cited above. It comprises means of connection between the wooden beams, the concrete slab, the metal reinforcements allowing excellent attachment between the beams and the slab while serving as support and support for the reinforcements of the wire mesh.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
EP94400446A 1993-03-03 1994-03-02 Gemischter Holz-Beton Baukörper Expired - Lifetime EP0613985B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9302733 1993-03-03
FR9302733A FR2702236B1 (fr) 1993-03-03 1993-03-03 Element de construction composite bois-beton.

Publications (2)

Publication Number Publication Date
EP0613985A1 true EP0613985A1 (de) 1994-09-07
EP0613985B1 EP0613985B1 (de) 1997-10-08

Family

ID=9444811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94400446A Expired - Lifetime EP0613985B1 (de) 1993-03-03 1994-03-02 Gemischter Holz-Beton Baukörper

Country Status (6)

Country Link
US (1) US5561957A (de)
EP (1) EP0613985B1 (de)
AT (1) ATE159070T1 (de)
CA (1) CA2116620A1 (de)
DE (1) DE69406032D1 (de)
FR (1) FR2702236B1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2727993A1 (fr) * 1994-12-13 1996-06-14 Soprese Structure mixte bois-beton destinee notamment a la realisation de tabliers d'ouvrages d'art
EP0742323A1 (de) * 1995-05-12 1996-11-13 TECNARIA S.p.A Verbindungsdübel, versehen mit einem Befestigungsbügel mit Klammern, zum Zusammensetzen von Betondecken auf Holzbalken
EP0857835A2 (de) * 1997-02-06 1998-08-12 Peter Bertsche Decke mit Balken und Schubbewehrung, und Bauverfahrung dafür
EP0939175A3 (de) * 1998-02-27 2000-12-06 Fischerwerke Arthur Fischer GmbH & Co. KG Verbindungselement zum Verbinden von Holz und Beton
EP0952271A3 (de) * 1998-04-24 2000-12-20 Werner Bauer Holz-Beton-Verbundelement
DE202006007405U1 (de) * 2006-05-08 2007-04-19 Döllen, Heinz von Schubbewehrungselement
EP2063037A1 (de) * 2007-11-20 2009-05-27 Lignotrend AG Decke für ein Bauwerk
FR2954948A1 (fr) * 2010-01-07 2011-07-08 Passiv Construction Plancher collaborant a resistance mecanique renforcee
WO2022114959A1 (en) 2020-11-30 2022-06-02 Holland Composites B.V. Renewable lightweight composite assembly

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19523673A1 (de) * 1995-07-03 1997-01-09 Sueba Coop Bauforschung Dachtafel für geneigte Dächer
ATE194677T1 (de) * 1995-10-13 2000-07-15 Daniel Gauthier Blechband zum miteinander verbinden von bauteilen
US5701709A (en) * 1996-11-27 1997-12-30 Dixon, Iii; John R. Insulation support system for metal frame construction and method relating thereto
US5930965A (en) * 1997-09-23 1999-08-03 Carver; Tommy Lee Insulated deck structure
SE516901C2 (sv) * 1999-04-06 2002-03-19 Erik Danielsson Prefabricerat armerat bärande byggkonstruktionselement, samt förstyvningsplåtelement för en sådan konstruktion
US6581346B2 (en) * 2001-03-21 2003-06-24 Robert C. Melland Metal fastener for bonding concrete to floors
US20030233801A1 (en) * 2002-06-22 2003-12-25 Pace Malcolm J. Apparatus and method for composite concrete and steel floor construction
US20050188638A1 (en) * 2002-06-22 2005-09-01 Pace Malcolm J. Apparatus and method for composite concrete and steel floor construction
ITBO20030046A1 (it) * 2003-02-03 2004-08-04 Coperlegno Srl Elementi prefabbricati per la realizzazione di solai pavimenti
DE10351989A1 (de) * 2003-10-23 2005-06-09 Bathon, Leander Holz-Beton-Verbundsysteme aus Holzbauteilen, Zwischenschichten und Betonbauteilen
ITPC20040010A1 (it) * 2004-03-31 2004-06-30 Sintesi Srl Sistema costruttivo per la realizzazione di solai misti in legno e calcestruzzo e relativi componenti per la solidarizzazione dei due materiali
US20060150574A1 (en) * 2004-12-29 2006-07-13 Scoville Christopher R Structural floor system
GB0510975D0 (en) * 2005-05-31 2005-07-06 Westok Ltd Floor construction method and system
DE102005062407A1 (de) * 2005-12-23 2007-07-05 Baufritz-Ag Flächenanker
DE202006000593U1 (de) * 2006-01-13 2006-05-18 Bathon, Leander, Prof. Dr. Bauwerke in Holz-Beton-Verbundbauweise
FR2958574B1 (fr) 2010-04-13 2012-05-04 Macc3 Procede de realisation de panneaux de construction prefabriques a collaboration bois-beton et panneaux obtenus par ce procede
AT511220B1 (de) * 2011-04-08 2013-01-15 Cree Gmbh Deckenelement zur ausbildung von gebäudedecken
CZ304080B6 (cs) * 2012-01-24 2013-10-02 Ceské vysoké ucení technické v Praze, Fakulta stavební, Katedra ocelových a drevených konstrukcí Sprazení nosníku na bázi dreva spojených pomocí ocelových desticek s oboustranne prolisovanými trny se základní deskou
JP6125817B2 (ja) * 2012-12-13 2017-05-10 株式会社竹中工務店 梁床接合構造
CN103195204A (zh) * 2013-03-29 2013-07-10 苏州皇家整体住宅系统股份有限公司 木材-混凝土复合结构
US9518401B2 (en) * 2013-12-13 2016-12-13 Urbantech Consulting Engineering, PC Open web composite shear connector construction
CA2960543C (en) * 2014-09-30 2023-10-03 Universite Laval Built-up system, connector thereof, and method of making same
US10882048B2 (en) 2016-07-11 2021-01-05 Resource Fiber LLC Apparatus and method for conditioning bamboo or vegetable cane fiber
US11175116B2 (en) 2017-04-12 2021-11-16 Resource Fiber LLC Bamboo and/or vegetable cane fiber ballistic impact panel and process
US10597863B2 (en) 2018-01-19 2020-03-24 Resource Fiber LLC Laminated bamboo platform and concrete composite slab system
AT520303B1 (de) * 2018-02-13 2019-03-15 Engelhart Klaus Dipl Ing Verfahren zur herstellung von verbunddecken
CN110565861A (zh) * 2018-06-05 2019-12-13 迈瑞司（北京）抗震住宅技术有限公司 一种木-混凝土组合楼板
CN110565862A (zh) * 2019-08-29 2019-12-13 郑州大学 一种新型的轻木—混凝土楼盖及其施工工艺
US20230407636A1 (en) * 2022-06-16 2023-12-21 ICF Building Systems LLC Concrete form systems, devices, and related methods

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR485367A (fr) * 1917-05-05 1918-01-04 Louis Nadot Chevron en fer et bois
DE882553C (de) * 1951-11-18 1953-07-09 Gotthard Dr-Ing Franz Verbundtraeger, insbesondere fuer Bruecken, und Verfahren zu seiner Herstellung
FR1093673A (fr) * 1953-11-14 1955-05-09 Poutre porteuse préfabriquée
NL6618059A (de) * 1966-12-08 1968-06-24
EP0280228A1 (de) * 1987-02-26 1988-08-31 Entreprise Paris Ouest Holz-Beton-Verbunddecke
DE3836592A1 (de) * 1987-10-31 1989-05-18 Kombi Tragwerk Gmbh Tragwerk

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR726897A (fr) * 1931-11-25 1932-06-04 Brev De Construction S A Et Poutrelle et son application à la constitution des planchers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR485367A (fr) * 1917-05-05 1918-01-04 Louis Nadot Chevron en fer et bois
DE882553C (de) * 1951-11-18 1953-07-09 Gotthard Dr-Ing Franz Verbundtraeger, insbesondere fuer Bruecken, und Verfahren zu seiner Herstellung
FR1093673A (fr) * 1953-11-14 1955-05-09 Poutre porteuse préfabriquée
NL6618059A (de) * 1966-12-08 1968-06-24
EP0280228A1 (de) * 1987-02-26 1988-08-31 Entreprise Paris Ouest Holz-Beton-Verbunddecke
DE3836592A1 (de) * 1987-10-31 1989-05-18 Kombi Tragwerk Gmbh Tragwerk

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2727993A1 (fr) * 1994-12-13 1996-06-14 Soprese Structure mixte bois-beton destinee notamment a la realisation de tabliers d'ouvrages d'art
EP0717149A1 (de) * 1994-12-13 1996-06-19 SOPRESE (société à responsabilité limitée) Holz-Beton Verbundkonstruktion, insbesondere für die Herstellung von Brückendecken
EP0742323A1 (de) * 1995-05-12 1996-11-13 TECNARIA S.p.A Verbindungsdübel, versehen mit einem Befestigungsbügel mit Klammern, zum Zusammensetzen von Betondecken auf Holzbalken
EP0857835A2 (de) * 1997-02-06 1998-08-12 Peter Bertsche Decke mit Balken und Schubbewehrung, und Bauverfahrung dafür
EP0857835A3 (de) * 1997-02-06 1999-10-20 Peter Bertsche Decke mit Balken und Schubbewehrung, und Bauverfahrung dafür
EP0939175A3 (de) * 1998-02-27 2000-12-06 Fischerwerke Arthur Fischer GmbH & Co. KG Verbindungselement zum Verbinden von Holz und Beton
EP0952271A3 (de) * 1998-04-24 2000-12-20 Werner Bauer Holz-Beton-Verbundelement
DE202006007405U1 (de) * 2006-05-08 2007-04-19 Döllen, Heinz von Schubbewehrungselement
EP2063037A1 (de) * 2007-11-20 2009-05-27 Lignotrend AG Decke für ein Bauwerk
FR2954948A1 (fr) * 2010-01-07 2011-07-08 Passiv Construction Plancher collaborant a resistance mecanique renforcee
WO2022114959A1 (en) 2020-11-30 2022-06-02 Holland Composites B.V. Renewable lightweight composite assembly
NL2027014B1 (en) 2020-11-30 2022-07-04 Holland Composites Bv Renewable lightweight composite assembly

Also Published As

Publication number Publication date
EP0613985B1 (de) 1997-10-08
FR2702236A1 (fr) 1994-09-09
FR2702236B1 (fr) 1995-08-04
DE69406032D1 (de) 1997-11-13
US5561957A (en) 1996-10-08
ATE159070T1 (de) 1997-10-15
CA2116620A1 (en) 1994-09-04

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