EP2567042B1 - Eléments structuraux en forme de panneaux pour bâtiments - Google Patents

Eléments structuraux en forme de panneaux pour bâtiments Download PDF

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Publication number
EP2567042B1
EP2567042B1 EP11734931.6A EP11734931A EP2567042B1 EP 2567042 B1 EP2567042 B1 EP 2567042B1 EP 11734931 A EP11734931 A EP 11734931A EP 2567042 B1 EP2567042 B1 EP 2567042B1
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EP
European Patent Office
Prior art keywords
core
structural element
sheet
main side
shaped structural
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
EP11734931.6A
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German (de)
English (en)
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EP2567042A1 (fr
EP2567042A4 (fr
EP2567042C0 (fr
Inventor
Mikael ÖSTLING
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.)
Isotimber Holding (publ) AB
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Isotimber Holding (publ) AB
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Publication date
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Publication of EP2567042A1 publication Critical patent/EP2567042A1/fr
Publication of EP2567042A4 publication Critical patent/EP2567042A4/fr
Application granted granted Critical
Publication of EP2567042B1 publication Critical patent/EP2567042B1/fr
Publication of EP2567042C0 publication Critical patent/EP2567042C0/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
    • 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
    • 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
    • E04C3/02—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
    • E04C3/127—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members with hollow cross section
    • 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
    • E04C3/14—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members with substantially solid, i.e. unapertured, web
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/70—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood
    • E04B2/701—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with integrated supporting and obturation function
    • E04B2/702—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with integrated supporting and obturation function with longitudinal horizontal elements

Definitions

  • the present invention concerns a sheet-shaped structural element for buildings in accordance with the claims.
  • a yet further problem with existing designs of walls in buildings is that they do not include the possibility of controlling the amount of heat in the wall. This is especially significant in warmer climates. It is therefore costly to cool buildings.
  • a further problem with existing building structures is that it is difficult to monitor if there is a risk of moisture damage in the walls, floors, ceilings and the like. Normally, moisture damage will not be recognized until significant damage has already incurred in the building. Moisture damage leads to other consequential damages incurring in the building such as mold (mildew) and the like.
  • mold mimildew
  • a variant of a log-like structural element, which includes an insulating core, is already known by way of international patent application WO9530807 .
  • This log-like structural element includes an insulating core that consists of an insulating material.
  • the insulating material is on its one side provided with at least one material layer and its second opposite side (of the first side) is provided with at least one second material layer.
  • This design meets its intended purposes, but has the flaw that its insulating core is made of petroleum-based raw materials, that is to say, made of non-renewable resources.
  • the insulating core does not include elongated channels in accordance with the present design and this is why the design can not be used in a similar way as the present design.
  • DE-A-19833474 discloses a sheet-shaped structural element according to the preamble of claim 1.
  • the main purpose of the design according to the present invention is to create a substantially improved structural element for buildings.
  • a further purpose of the present invention is to create a structural element which has a significantly improved sound-dampening capacity
  • a further purpose of the present invention is to create a building element in the form of a sheet (panel, board) which can be used in floors.
  • Yet another purpose of the present invention is to create a design that allows for the complete and total impregnation of all wood material in the present insulating core.
  • the structural element 1 includes at least one insulating core (course) 2.
  • the insulating course (core) 2 is on one side (outside) 3 provided with at least a first material layer 4.
  • the insulating core 2 is on the opposite side (inside) 5 provided with at least one second material layer 6.
  • the structural element 1 is comprised of more than one material layer on each respective side of the core.
  • the joining of material layer 4 and the core 2 and also material layer 6 and the core 2 is preferably accomplished by gluing or other for the purpose suitable joining method.
  • the present structural element 1 includes at least one elongated core element 7 and preferably several core elements 7.
  • the core element 7 is preferably comprised of wood (wood material), or a material which mainly includes wood.
  • the core element 7 is made of another suitable material for the purpose such as for example a composite material.
  • the core element 7 has an essentially quadrangular cross-section such as for example a rectangular or a square cross-section.
  • the core element 7 includes a first main side 8 and a second main side 9. Further, the core element includes a third side 10 with an opposite fourth side 11.
  • the core element has preferably an elongated form. Further, the core element 7 includes at least one elongated channel (groove) 12 which stretches along part or all of the elongated core element's 7 length.
  • the core element includes a first number of channels 12 in the core element's first main side 8 with a first set of flanges 13 between the channels 12.
  • the flanges 13 are given at least one thickness.
  • the channels 12 are given an extension length in depth from the core element's (piece of wood) first main side 8 toward its second main side 9 and given a depth which preferably amounts to more than half the distance between the first main side 8 and the second main side 9 and less than the distance between the first main side 8 and the second main side 9.
  • the core element's 7 first main side 8 includes a first set of channels 12 with intermediate flanges 13.
  • the flanges 13 are given at least one thickness.
  • the channels 12 have an extension length in depth from the core element's 7 first main side 8 toward its second main side 9 that preferably amounts to less than half the distance between the first main side 8 and the second main side 9.
  • the second main side 9 includes a second number of channels 14 with a second set of flanges 15.
  • the flanges 15 are given at least one thickness.
  • the channels 14 are given an extension length in depth from the core element's 7 second main side 9 toward the piece of wood's first main side 8.
  • the second number of channel's 14 depth is preferably just as large as the depth of the mentioned first number of channels 12.
  • FIG 4 is shown another conceivable variant of the core element 7 which has a third side 10 provided with at least one longitudinal channel 16. It is also conceivable that the fourth side 11 is provided with at least one longitudinal channel 17.
  • channels 12, 13, 16 and 17 as well as the core element's 7 dimensions may vary considerably within the scope of the present invention.
  • the channels' and the flanges' respective width as well as their thickness are dimensioned according to the requirements placed on a structure's load bearing capacity and other parameters.
  • the core 2 is made up of several core elements 7 which are joined flange against flange (such as is shown in the figures). By joining flange against flange longitudinal channels are formed in the structural element. The joining of flange against flange is accomplished by gluing or other for the purpose suitable joining method.
  • figure 5 is shown an example of an embodiment of the present invention, where it includes at least one first insulating core 2 and at least one second insulating core 18. The first insulating core 2 and the second insulating core 18 are preferably separated by at least one material layer 19.
  • the first insulating core 2 and the second insulating core 18 include in the exemplified embodiment a first core element 7, a second core element 20, a third core element 21, a fourth core element 22, a fifth core element 23 and a sixth core element 24.
  • the design may include several more core elements than shown in the figures.
  • the structural element 1 may be elongated as a log, which is an example which is not covered by the claim scope.
  • Figures 5A - 5C exemplify the use of the structural element 1.
  • first longitudinal structural element can be connected together to form a tie (corner) 26 together with a second structural element.
  • they are in their ends, or in their ends' proximity, provided with at least one notch (recess) 27 with which a unifying tie between at least one first structural element and one second structural element is created.
  • the elongated structural element in its first end, or in its end's proximity is given a first notch 27, a second notch 28, a third notch 29 and a fourth notch 30.
  • the J elongated structural element in its second end, or in its end's proximity, is given a first notch 27, a second notch 28, a third notch 29 and a fourth notch 30.
  • a tie 26 can be created between at least a first elongated structural element and a second elongated structural element and as such included in a first wall and a second wall. What is unique with the present tie is that it does not build in height (that is to say in the vertical direction).
  • the structural elements may even be provided with at least one protruding segment (not shown in the figures) which may for example be used at the tie or with the connection of several structural elements on one another in the vertical direction.
  • the number of notches may be more numerous or less and be of another for the purpose suitable form.
  • the first material layer 4 and the second material layer 6 are displaced in relation to the core 2.
  • the displacement in the vertical direction and relating to sheet material (for example floor frame work) the displacement is in the horizontal direction.
  • the core elements will dry substantially faster than existing logs dry thanks to the channels in the core elements as well as the intermediate flanges in the core elements.
  • the core element will preferably dry before the core (comprised of several core elements) is assembled (glued together). Thanks to each respective core element being dried before assembly, the core will essentially have finished shrinking before it is assembled. When using the structural element as a log, the problems caused by shrinkage in common logs will thereby essentially be eliminated.
  • a structural element according to the invention which can be used for example in a floor frame work. Size and thickness of the sheet-formed structural element may vary greatly within the scope of the present patent application.
  • the present structural element may be sheet-shaped (panel-shaped).
  • the core 2 on its top side is provided with at least one first material layer 4 and on its bottom side is provided with at least one second material layer 6.
  • the channels 12 and 14 are preferably placed in the transverse direction in relation to material layer 4 and material layer 6.
  • Figure 6B shows a structural element that can include at least one second core 18 with at least one second intermediate material layer.
  • the structural element includes elongated channels.
  • the elongated channels have resulted in the above stated technical effect that a flow of air through the channels can occur.
  • at least one fan can induce a stream of air to flow through the channels.
  • This design allows for the channels to be used for both cooling and heating the wall.
  • Relative cooler outdoor air can for example be used at night to cool the wall, which can be accomplished by the relative cooler outdoor air being conveyed into the walls (structural elements) elongated channels (channel 12 and channel 14).
  • the channels in several structural elements are intended to be connected with one another.
  • a wall's temperature can be reduced at night by using this method. This reduction of a wall's temperature at night can be utilized to cool a room during parts of the day. It is further conceivable that the opposite effect can be achieved, that is to say that the wall can be warmed during the day so it can radiate warmth at night. This is made possible since the structural element includes elongated channels through which a stream of relative cooler or relative warmer air can flow.
  • This flow is created by at least one fan emitting a flow of air channeled into channel 12 and channel 14.
  • the fan's emitted air can be supplied from outdoor air.
  • the emitted air may even be temperature conditioned with an AC system or similar temperature conditioning device.
  • a dehumidifier in accordance with earlier known technology, can be hooked up to dehumidify the air that is brought into channel 12 and channel 14.
  • the channels may be used to monitor moisture levels in a wall, floor frame work or similar. Moisture may for example derive from leakages in a water pipes or the like. Monitoring may be accomplished by a stream of air flowing through the channels, which is created for example by at least one fan. At least one sensor is put in a place along the channels length that is suitable for the purpose. The sensor consists preferably of a moisture sensor that detects the level of moisture and changes in the moisture level in the airflow. Detection of changes in moisture levels in the air flowing through the channels may be accomplished by use of at least two sensors. The moisture level of the incoming air into the structural element is measured and then compared with the moisture level in the air flowing out from the channels 12 and 14 in the structural element.
  • the sensors can transmit information wirelessly or with wires to a monitoring system for moisture, mold or similar.
  • This monitoring system is based on earlier known technology or future technology that will be available for a person skilled in the art, and this is why the monitoring system is not described in more detail in this patent application.
  • channels 12 and 14 are connected between several structural elements (enclosed elongated channels that run on from one structural element to at least one other structural element and preferably to several structural elements), the detection of moisture, the presence of mold and the like may be accomplished by one or two sensors for several structural elements. This is also applicable in combination with the earlier mentioned cooling and heating of the introduced air.
  • the present design allows for the complete saturation and thereby total impregnation (100 %) of all the wood material in the present insulating core 2.
  • the present invention may be impregnated by different kinds of impregnation agents that for example retard fire, protect against rot, mold and/or insect damage or similar.
  • a complete and total impregnation of all wood material in the insulating core 2 is made possible by the present invention's unique design. Complete and total impregnation (100 %) of all wood material in the insulating core 2 is achieved with current known impregnation techniques and this is why the impregnation procedure is not discussed further in this patent application.
  • the present invention is a method for use of the present structural element. It is also conceivable that at least one of the third sides and the fourth sides are provided with at least one material layer.
  • the present invention has a number of advantages. The most obvious is that structural elements are obtained, which liken a log, but shrink less than existing logs. Another advantage of the present invention is that a structural element which substantially eliminates thermal bridges is obtained. A still further advantage of the present invention is that a sound-dampening structural element is obtained. A yet further advantage of the present invention is that it allows for economical cooling and heating of walls.
  • the unexpected technical effect of complete and total (100 %) impregnation of the present invention, thanks to its unique design, is of great advantage in minimizing and even eliminating the risks of and damage of building structures from fire, insects, mold, rot and other similar negative effects.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)

Claims (10)

  1. Elément structural en forme de panneau (1) destiné à être utilisé dans un mur ou un plancher d'un bâtiment comprenant au moins une âme isolante (2), chacune de ladite au moins une âme isolante (2) comprenant au moins deux éléments d'âme (7), chaque élément d'âme (7) ayant un premier côté principal (8) et un deuxième côté principal opposé (9),
    chaque élément d'âme comprenant
    un premier nombre de canaux (12), avec un premier nombre de rebords intermédiaires (13), dont la profondeur varie dudit premier côté principal (8) vers ledit deuxième côté principal (9), et
    un deuxième nombre de canaux (14), avec un deuxième nombre intermédiaire de rebords (15), qui s'étendent en profondeur dudit deuxième côté principal (9) vers ledit premier côté principal (8),
    dans lequel la profondeur du premier ensemble de canaux (12) est inférieure à la moitié de la distance entre le premier côté principal (8) et le deuxième côté principal (9) et la profondeur du deuxième ensemble de canaux (14) équivaut à moins de la moitié de la distance entre le deuxième côté principal (9) et le premier côté principal (8),
    caractérisé en ce que ledit élément structural en forme de panneau est pourvu d'au moins une première couche de matériau (4) sur son côté principal (3) et au moins une deuxième couche de matériau (6) sur son côté principal opposé (5), et en ce que lesdits éléments d'âme (7) sont agencés de sorte que les rebords intermédiaires soient orientés transversalement par rapport à ladite au moins une première couche de matériau (4) et ladite au moins une deuxième couche de matériau (6).
  2. Elément structural en forme de panneau (1) selon la revendication 1, dans lequel les éléments centraux adjacents sont joints rebord contre rebord.
  3. Elément structural en forme de panneau (1) selon la revendication 1, comprenant en outre au moins une deuxième âme (18) et au moins une couche de matériau intermédiaire (19) disposée pour séparer les âmes adjacentes.
  4. Elément structural en forme de panneau (1) selon une quelconque des revendications précédentes, dans lequel un troisième côté (10) desdits éléments d'âme comprend en outre au moins un canal (16).
  5. Elément structural en forme de panneau (1) selon une quelconque des revendications précédentes, dans lequel un quatrième côté (11) desdits éléments d'âme (7) comprend au moins un canal (17).
  6. Elément structural en forme de panneau (1) selon une quelconque des revendications précédentes, dans lequel ledit élément d'âme (7) est réalisé en bois ou en matériau ligneux.
  7. Elément structural en forme de panneau (1) selon une quelconque des revendications précédentes, dans lequel l'élément structural comprend au moins un capteur de détection d'humidité.
  8. Elément structural en forme de panneau (1) selon une quelconque des revendications précédentes, dans lequel au moins une âme isolante (2) est imprégnée, à un degré d'imprégnation de 100 %, d'agents d'imprégnation retardant le feu, protégeant de la pourriture, moisissure ou le mildiou, dommages causés par les insectes et autres.
  9. Elément structural en forme de panneau (1) selon une quelconque des revendications précédentes, caractérisé en ce qu'au moins un élément d'âme (7) dans le noyau isolant (2) est imprégné, à un degré d'imprégnation de 100 %, d'agents d'imprégnation retardant le feu, protégeant contre la pourriture, la moisissure ou le mildiou, dommages causés par les insectes et autres.
  10. Ossature de plancher comprenant plusieurs éléments structuraux en forme de panneau selon une quelconque des revendications précédentes fixés les uns aux autres et, dans laquelle le noyau de chaque élément structural est pourvu d'une première couche de matériau (4) sur son côté supérieure, et d'un deuxième couche de matériau (6) sur son côté inférieur, et dans lequel la profondeur des canaux s'étend dans une direction transversale par rapport aux première et deuxième couches de matériau.
EP11734931.6A 2010-01-21 2011-01-20 Eléments structuraux en forme de panneaux pour bâtiments Active EP2567042B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1000057A SE535391C2 (sv) 2010-01-21 2010-01-21 Konstruktionselement för byggnader
PCT/SE2011/000009 WO2011090418A1 (fr) 2010-01-21 2011-01-20 Eléments structuraux pour bâtiments

Publications (4)

Publication Number Publication Date
EP2567042A1 EP2567042A1 (fr) 2013-03-13
EP2567042A4 EP2567042A4 (fr) 2015-11-11
EP2567042B1 true EP2567042B1 (fr) 2023-10-18
EP2567042C0 EP2567042C0 (fr) 2023-10-18

Family

ID=44307062

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11734931.6A Active EP2567042B1 (fr) 2010-01-21 2011-01-20 Eléments structuraux en forme de panneaux pour bâtiments

Country Status (5)

Country Link
EP (1) EP2567042B1 (fr)
ES (1) ES2967350T3 (fr)
PL (1) PL2567042T3 (fr)
SE (2) SE535391C2 (fr)
WO (1) WO2011090418A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LT6264B (lt) * 2014-06-18 2016-04-25 Uab "Dreamhouse" Klijuotas sienojas ir jo gamybos būdas
WO2016171611A1 (fr) * 2015-04-24 2016-10-27 Isotimber Holding Ab (Publ) Système de paroi
PE20211099A1 (es) 2018-08-21 2021-06-15 John David Wright Aparatos de marco aislable y aislante y metodos de fabricacion y uso de los mismos
AT526654B1 (de) * 2023-04-20 2024-06-15 Surenergy Gmbh Innenmodul einer Holzwand und Holzwand

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1877087A (en) * 1930-01-16 1932-09-13 Ezra J Thurber Timber shape
GB379170A (en) * 1931-12-02 1932-08-25 Frederick Tibbenham Improvements in or relating to composite wood material
DE8533238U1 (de) * 1985-11-26 1986-01-16 Ostermann & Scheiwe GmbH & Co, 4400 Münster Balkenförmiges Holzbauteil
GB2240556A (en) * 1990-01-25 1991-08-07 Intelbrit Technologies Wall panel with self-compensating load-bearing supports
AT397489B (de) * 1992-09-04 1994-04-25 Jandl Adolf Brettschichtholz mit einer lamellenstärke 45mm
SE504924C2 (sv) 1994-05-06 1997-05-26 Hans Karlsson Isolerat stockelement
DE9408382U1 (de) * 1994-05-20 1994-08-04 Egle, Wilhelm, 79733 Görwihl Holzbauelement mit Holzlagen
FI96710C (fi) * 1994-07-05 1996-08-12 Honkarakenne Oy Hirsielementti ja menetelmä sen valmistamiseksi
DE19604433A1 (de) * 1996-02-07 1997-08-14 Karl Moser Vakuumverleimte Schichtholzplatte
DE19833474A1 (de) * 1998-07-24 2000-02-10 Egle Wilhelm Holzbauelement
EP1288386A1 (fr) * 2001-09-04 2003-03-05 Vorarlberger Ökohaus GmbH Elément de paroi ou plafond
FR2861766A1 (fr) * 2003-10-29 2005-05-06 Yoan Bibollet Madrier perfectionne destine a la realisation de constructions en bois du type chalet
DE202007001771U1 (de) * 2007-02-02 2007-06-06 Nützel, Bernd Hohlkastenträger
EP2304120A2 (fr) * 2008-04-28 2011-04-06 Torkjell Flatland Ensemble d éléments thermiquement isolants pour la construction de bâtiments, et pièce de bois d uvre ou de grume à cet effet

Also Published As

Publication number Publication date
SE535391C2 (sv) 2012-07-17
WO2011090418A1 (fr) 2011-07-28
SE1200498A1 (sv) 2012-08-20
PL2567042T3 (pl) 2024-05-27
EP2567042A1 (fr) 2013-03-13
EP2567042A4 (fr) 2015-11-11
EP2567042C0 (fr) 2023-10-18
SE1000057A1 (sv) 2011-09-13
ES2967350T3 (es) 2024-04-29

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