EP2489809A1 - Verfahren zur Herstellung eines Strukturelements, und so hergestellte Elemente - Google Patents

Verfahren zur Herstellung eines Strukturelements, und so hergestellte Elemente Download PDF

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Publication number
EP2489809A1
EP2489809A1 EP12002843A EP12002843A EP2489809A1 EP 2489809 A1 EP2489809 A1 EP 2489809A1 EP 12002843 A EP12002843 A EP 12002843A EP 12002843 A EP12002843 A EP 12002843A EP 2489809 A1 EP2489809 A1 EP 2489809A1
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EP
European Patent Office
Prior art keywords
cleats
plates
plate
faces
face
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
EP12002843A
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English (en)
French (fr)
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EP2489809B1 (de
Inventor
Patrick Hurpin
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HURPIN, PATRICK
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Individual
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    • 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
    • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
    • E04C3/16—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members with apertured web, e.g. trusses
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/08—Vaulted roofs
    • 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
    • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
    • E04C3/122—Laminated
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/38—Arched girders or portal frames
    • E04C3/42—Arched girders or portal frames of wood, e.g. units for rafter roofs

Definitions

  • the invention relates to a method of producing a structural element and also covers the elements thus produced and their application to the construction of buildings.
  • the invention makes it possible, in a general manner, to produce all kinds of elongate structure elements intended to rest on two spaced apart supports, such as beams or columns, but can also be applied to the realization of floors or roofs.
  • the roof of a building normally includes a roof, for example slate, tiles or other materials, resting on a frame taking support on the walls.
  • the elements of the frame must have a range corresponding to the distance between the supports. It is interesting for medium spans, for example 10 to 12 meters, to use structural elements light enough to avoid the use of heavy lifting gear.
  • the frame of a single-family house can be made of prefabricated wooden trusses, which can be set up by a few men.
  • Such relatively light frame members form a kind of curved trusses for producing, for example, a slightly vaulted roof.
  • the curvature of this vault depends on the resistance to bending of the wooden boards.
  • they must be supported, at their ends, on a tie that extends between the supports, across the covered space.
  • the object of the invention is a new type of timber frame elements that can have any desired shape, for example curved, such a particularly simple and economical method being profitable even for the production of elements. of low or medium range, for example for the construction of individual houses.
  • the invention thus relates generally to a method of producing a structural element extending along a longitudinal axis over a certain length and consisting of at least two thin plates assembled by rows of cleats of spaced spacing which are interposed between two adjacent plates and respectively fixed on their opposite faces, so as to form a unitary assembly capable of resting on two spaced apart supports.
  • a first plate cut into a desired shape for the element, with two longitudinal sides and two transverse sides, is applied and fixed, by an internal face, on a first series of cleats distributed on a flat support, then the whole of this plate provided with cleats on its internal face is turned over and applied, by its opposite smooth outer face, on a rigid support having a desired profile for the element to be produced, a second assembly comprising a second plate provided with a second series of cleats is then made in the same way on the flat support and then returned, applied and fixed on the first series of cleats of the first plate in the form of the rigid support and so on until at laying and fixing on a last series of cleats, an external closure plate not provided with cleats, to achieve an element which is then removed from the support retaining the shape thereof, the number of plates, their thickness and thickness of the cleats being determined so as to give the element the desired resistance, while limiting its own weight.
  • Each plate, as well as the cleats, can be made of a homogeneous, resistant and relatively flexible material, such as wood or the like, and spaced cleats are fixed by nailing or screwing on the plates between which they are interposed, so as to to form a solid and resistant whole.
  • each plate consists of at least two superimposed layers each consisting of several sheets laid one after the other in the longitudinal direction of the element, the transverse joints between the ends. adjacent sheets are longitudinally offset from one layer to another.
  • the two outer plates may have a thickness greater than the intermediate plate or plates.
  • the two series of cleats fixed respectively on the two faces of the same plate are preferably offset longitudinally relative to each other.
  • the rigid support on which the various plates are successively applied after inversion has a curved application face in the form of a regulated surface and the cleats are placed so as to be arranged, after application on said curved face. , according to the generatrices thereof, so that the assembly of each plate with its cleats remains flexible enough to take the form of the rigid support which thus constitutes a template for producing an element having a desired curved profile.
  • Such a method allows for a structural element forming a laminated beam having a lower face consisting of a plate resting on the supports and an upper face consisting of a plate on which rests a floor or a roof.
  • the rigid support on which the different plates are successively applied, after turning has a planar application face in order to achieve, after fixing the closure plate, a rectilinear element limited by two flat faces.
  • the different plates can be cut so as to have the same external profile with two longitudinal sides having the desired profile and which, when producing the element, are aligned along two curved lateral faces and, at the establishment of the element thus produced, the plates thereof are arranged vertically and rest on edge on the supports, so that the element has two faces horizontal, respectively lower and upper having the desired profile.
  • the invention has other possibilities and allows, for example, to achieve a building structure comprising a set of support beams of a floor or a roof resting on vertical poles, in which the beams and the posts consist of laminated elements made by the method according to the invention and assembled so that the plates constituting a beam interlock between the plates constituting a pole, the assembly being secured by bolting.
  • a structural element according to the invention such as a beam 1, intended to rest on two spaced apart supports A 1 , A 2 represented symbolically and which may be, for example, two walls of a building or two transverse beams resting on pillars.
  • This beam 1 consists, in the example shown, of four superimposed plates 10, separated by three rows of cleats 2. Its thickness e depends on the number of plates 10, their thickness e 1 and the thickness e 2 of the cleats 2.
  • This thickness e is determined to give the beam 1 the necessary resistance, given the range L between the supports A 1 , A 2 and the load to bear.
  • the length L 1 of the beam is at least equal to the range L but its width 1 may be whatever and depends essentially on the weight that is desired to give the beam, given the lifting means available.
  • the wooden beam and made up of several leaves apart may have a moment of inertia large enough to give it the desired resistance, while having a weight limited enough to allow handling and setting up by some men , even for a range of several meters.
  • Such a beam can be made very simply thanks to the method according to the invention which will now be described with reference to the figures 2,3 , and 4 .
  • a first series of cleats 21 are distributed on a fixed fixed support 3, then a first plate 101 is applied, by an inner face 15, to this series of cleats and fixed on each of them, by nails or screws 4 which are placed easily on the side of its external face 14.
  • this plate 101 provided with cleats 21 is turned over and applied on a rigid support 3 'having an upper face 31 which has the desired profile for the element.
  • this profile is cylindrical and the cleats 21 distributed on the plane support 3 are parallel to each other, the plate 101 having a rectangular shape with a longitudinal axis perpendicular to the direction of the cleats 21. Therefore, if this longitudinal axis is parallel to the axis of the cylindrical surface31, the cleats 21 are parallel to the generatrices of the cylinder and the whole of the thin plate 101 with its cleats 21 remains flexible enough to take the shape of this surface 31.
  • a second plate 102 provided with cleats 22 is made in the same way on the flat support 3 but the cleats 22 are offset by a half-step relative to the cleats 21 of the first plate 101.
  • This second plate 102 is also turned over and applied by its outer face 142 on the upper faces of the cleats 21 of the first plate and fixed on the latter by nails 42 or screws which are placed and fixed easily on the plate 102 because of offset cleats.
  • a third plate 103 is made in the same way on the flat support 3 but it is provided with cleats 23 staggered by half a step with respect to the cleats 22 of the second plate 102 and, consequently, in the same position as the cleats 21 of the first plate 101.
  • This third plate 103 is turned over and fixed on the cleats 22 of the second plate 102 by nails or screws 43.
  • An outer plate 104 not provided with cleats is then applied and fixed by nails or screws 44 on the cleats 23 of the third plate 103.
  • each set of a thin plate 10 provided on one face with cleats 2 is flexible enough to take the form of the template 3 'since the cleats are directed along the generatrices of the application surface 31.
  • the connection made by nails or screws withstands very well the stripping and shearing forces and the element 1 thus formed retains its shape when it is separated from the support 3 'and even has a excellent flexural strength which depends mainly on the thickness e of the element.
  • the number of plates, their thicknesses and the thickness of the cleats can be determined so as to obtain the desired resistance, given the range between supports, without unduly increasing the weight of the element 1.
  • such a method makes it possible to give the element a straight or curved shape, with curvature up or down, or even double curvature, as shown in the examples of Figures 4, 5 , 7 .
  • the structural elements thus made consist solely of wooden plates and cleats that can be cut to measure and brought to the site to be assembled manually. It suffices, in fact, to produce on the site, for example concrete, a flat slab 3 for fixing the plates on the cleats and a rigid support 3 'with an assembly face 31 having the desired profile, for superimposing and attach the plates with cleats to one another.
  • such a beam can have a weight of the order of 100 kg for a range of 7 to 8 meters, while having a relatively high resistance to bending, because of its thickness and the connection between the plates 10 and cleats 2.
  • the width of the element must be sufficient to give it a certain seating and distribute the load on the supports, for example on a sand pit formed in the upper part of a wall or a partition , as indicated on the Figures 12 and 13 .
  • An element of small width relative to its range may constitute a support beam of a floor or cover.
  • this width can be any and, for example, can cover a large area.
  • Such an element of the type represented on the figure 6 can then be a floor slab or a vaulted roof element.
  • the upper face 501 may be covered with a sheet forming a sealing skin, for example zinc or synthetic material.
  • a sheet forming a sealing skin for example zinc or synthetic material.
  • its side faces 56 may be closed by walls having edges 57, 57 'cut along the profile of the curved plates 501, 504.
  • the figure 12 shows a detached house having a cover 6 made by means of elements according to the invention.
  • the beams 6 of support of the roof can be placed on a sand pit 61 resting on the posts 60.
  • the rigid support on which the plates with cleats are assembled has a flat application face on which the plates are laid flat.
  • the bending strength of the beam also placed on edge can be increased by simply playing on the width of the plates 10, that is to say the height of the beam, which determines the moment of inertia of it.
  • the figure 10 for example, shows such an element intended to be placed on edge but whose vertical side faces are curved, for example to achieve a facade element with a bow-window type advance.
  • the lower and upper faces 17, 17 'of the element are not necessarily flat, the longitudinal sides 16, 16' of the plates 10 can be cut to a desired profile.
  • laminated elements with inverted curvature allow to realize a seated dog 65. But, for that, one can also use elements assembled flat and placed on edge, in the way represented on the figure 14 .
  • the figure 15 shows the realization of a vault by means of arcuate elements 1, 1 'supported, at their upper part, on a ridge beam 7.
  • the figure 16 shows a variable curvature element usable, for example for the realization of a Shed type roof with a substantially vertical portion for mounting a glazed frame.
  • the cleats may be arranged so as to be parallel to the corresponding generatrices of the template, the plates thus produced remain flexible enough to apply to the template which may have the profile of a portion of cone, d hyperboloid or hyperbolic paraboloid with two lines of pose forming between them a certain angle.
  • the method according to the invention makes it possible to produce such structural elements on the site itself of the building site with a very small material since it is sufficient to have a flat slab for fixing the plates on the walls.
  • cleats and a rigid support having the desired shape, for superimposing and attaching to one another these plates, such supports can be made on site reinforced concrete. It will therefore be sufficient to bring on the site wooden plates and cleats, all the rest of the construction being done on site.
  • the invention gives a great freedom of choice, not only for the design of a house but also for the construction site which may possibly be difficult to access for gear.
  • the rectilinear elements of the type represented on the figure 8 can be arranged vertically to form posts or pillars, the laminated structure of the various elements to assemble easily as shown on the figure 19 .
  • the plates 10 and the cleats 21 of a horizontal element 1 have, respectively, the same thicknesses as the cleats 21 'and the plates 10' of a vertical element 1 ', their ends can be sheathed. one in the other and be fixed by bolts 19 or other means of assembly, to form a gantry structure.
  • a complete building frame comprising vertical posts 1 'on which are fixed horizontal beams 1 can support floor elements or roof 6 also made by the method according to the invention.
EP12002843.6A 2008-04-10 2009-04-10 Verfahren zur Herstellung eines Strukturelements, und so hergestellte Elemente Active EP2489809B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0801966A FR2929971B1 (fr) 2008-04-10 2008-04-10 Element de charpente et son procede de realisation
EP09290268.3A EP2108758B1 (de) 2008-04-10 2009-04-10 Verfahren zur herstellung eines strukturelementes

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP09290268.3A Division EP2108758B1 (de) 2008-04-10 2009-04-10 Verfahren zur herstellung eines strukturelementes
EP09290268.3A Division-Into EP2108758B1 (de) 2008-04-10 2009-04-10 Verfahren zur herstellung eines strukturelementes

Publications (2)

Publication Number Publication Date
EP2489809A1 true EP2489809A1 (de) 2012-08-22
EP2489809B1 EP2489809B1 (de) 2020-03-18

Family

ID=39884388

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12002843.6A Active EP2489809B1 (de) 2008-04-10 2009-04-10 Verfahren zur Herstellung eines Strukturelements, und so hergestellte Elemente
EP09290268.3A Not-in-force EP2108758B1 (de) 2008-04-10 2009-04-10 Verfahren zur herstellung eines strukturelementes

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09290268.3A Not-in-force EP2108758B1 (de) 2008-04-10 2009-04-10 Verfahren zur herstellung eines strukturelementes

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EP (2) EP2489809B1 (de)
FR (1) FR2929971B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20135917A (fi) * 2013-09-11 2015-03-12 Coreply Oy Kennomainen rakenne
CN112955612B (zh) 2018-08-21 2023-07-25 约翰·大维·日头 可阻隔的阻隔架构设备及其制造和使用方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR955616A (de) 1950-01-18
DE886382C (de) * 1951-07-19 1953-08-13 Harold Dipl-Ing Kullmann Auseinanderziehbare Stabgittereinlage aus Holz oder anderen Werkstoffen und Verfahren zu ihrer Herstellung
US3470661A (en) * 1965-03-19 1969-10-07 Harvey H Johnson Roof box frame haunch joint
FR2194145A5 (de) * 1972-07-31 1974-02-22 Furrer Josef
DE4021081A1 (de) * 1990-07-03 1992-01-16 Michael Demuth Hohles, plattenfoermiges bauteil
US6088989A (en) * 1995-12-15 2000-07-18 Ado Supesu Kabusiki Kaisha Framing member
US20030208986A1 (en) * 2002-05-09 2003-11-13 Henthorn John R. Fabricated OSB stud
DE102004059178A1 (de) * 2004-12-08 2006-06-29 Bayernblock Gmbh Mehrschichtiger verleimter Balken, und daraus erzeugbare Blockholzwand

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE347528A (de) *
CH217019A (de) * 1940-06-21 1941-09-30 Luck Hans Sperrholzplatte sowie Verfahren und Vorrichtung zur Herstellung derselben.
FR1241380A (fr) * 1958-11-21 1960-09-16 Nemaho Nv Nouvelle toiture
FR1561340A (de) * 1968-01-22 1969-03-28
IT1093144B (it) * 1978-03-03 1985-07-19 Corali Bruno Macchina e procedimento per la fabbricazione di palette di carico e simili
FI86819C (fi) * 1991-05-07 1992-10-26 Taalikka Oy Anordning foer framstaellning eller hopsaettning av lastplattformer som traekonstruktion
EP1227918B1 (de) * 1999-09-02 2003-11-19 Hornslet Möbelfabrik A/S Verfahren zur herstellung einer platte sowie nach diesem verfahren hergestellte platte
FI20011069A (fi) * 2001-05-22 2002-11-23 Patenttitoimisto T Poutanen Oy Uusia vetoelimien käyttöjä puurakentamisessa

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR955616A (de) 1950-01-18
DE886382C (de) * 1951-07-19 1953-08-13 Harold Dipl-Ing Kullmann Auseinanderziehbare Stabgittereinlage aus Holz oder anderen Werkstoffen und Verfahren zu ihrer Herstellung
US3470661A (en) * 1965-03-19 1969-10-07 Harvey H Johnson Roof box frame haunch joint
FR2194145A5 (de) * 1972-07-31 1974-02-22 Furrer Josef
DE4021081A1 (de) * 1990-07-03 1992-01-16 Michael Demuth Hohles, plattenfoermiges bauteil
US6088989A (en) * 1995-12-15 2000-07-18 Ado Supesu Kabusiki Kaisha Framing member
US20030208986A1 (en) * 2002-05-09 2003-11-13 Henthorn John R. Fabricated OSB stud
DE102004059178A1 (de) * 2004-12-08 2006-06-29 Bayernblock Gmbh Mehrschichtiger verleimter Balken, und daraus erzeugbare Blockholzwand

Also Published As

Publication number Publication date
EP2489809B1 (de) 2020-03-18
FR2929971B1 (fr) 2015-12-25
FR2929971A1 (fr) 2009-10-16
EP2108758B1 (de) 2017-12-27
EP2108758A1 (de) 2009-10-14

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