EP2567042A1 - Structural elements for buildings - Google Patents
Structural elements for buildingsInfo
- Publication number
- EP2567042A1 EP2567042A1 EP11734931A EP11734931A EP2567042A1 EP 2567042 A1 EP2567042 A1 EP 2567042A1 EP 11734931 A EP11734931 A EP 11734931A EP 11734931 A EP11734931 A EP 11734931A EP 2567042 A1 EP2567042 A1 EP 2567042A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- structural element
- core
- main side
- channels
- accordance
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000002023 wood Substances 0.000 claims description 18
- 241000238631 Hexapoda Species 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013501 sustainable material Substances 0.000 description 1
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 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 mold
- log-like structural element which includes an insulating core
- 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.
- the main purpose of the design according to the present invention is to create a substantially improved structural element for buildings.
- Another purpose of the present invention in an alternative embodiment, is to create a log-like structural element, which shrinks to a much lesser extent than an ordinary log.
- a further purpose of the present invention is to create a structural element which has a significantly improved sound-dampening capacity than existing logs.
- a further purpose of the present invention is, in an alternative embodiment, 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.
- Figure 1 shows a first embodiment of the present structural element.
- Figure 2 shows a first embodiment of the insulating core element.
- Figure 3 shows a second preferred embodiment of the insulating core element.
- Figure 4 shows a third embodiment of the insulating core element.
- Figures 5A-5C show a second alternative embodiment of the present invention.
- Figures 6A-6B show a second embodiment of the present structural element.
- 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 core element 7 is preferably comprised of wood (wood material), or a material which mainly includes wood. In alternative embodiments, it is conceivable that the core element 7 is made of another suitable material for the purpose such as for example a composite material. Preferably, 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 is essentially elongated.
- the structural element 1 in accordance with the first embodiment is intended to be used as a log or similar.
- Figures 5 A - 5C exemplify the use of the structural element 1, in the embodiment that is similar to a log.
- the figures show how a 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 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.
- at least one protruding segment not shown in the figures
- 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 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.
- FIG 6A and in figure 6B is shown an alternative embodiment intended to 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. If the moisture level rises above a predetermined level an alarm is set off.
- the sensors can transmit information wirelessly or with wires to a monitoring system for moisture, mold or similar.
- 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.
- An unexpected technical effect has arisen during the impregnation of the insulating core 2. It has been shown that 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.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1000057A SE535391C2 (en) | 2010-01-21 | 2010-01-21 | Construction elements for buildings |
PCT/SE2011/000009 WO2011090418A1 (en) | 2010-01-21 | 2011-01-20 | Structural elements for buildings |
Publications (4)
Publication Number | Publication Date |
---|---|
EP2567042A1 true EP2567042A1 (en) | 2013-03-13 |
EP2567042A4 EP2567042A4 (en) | 2015-11-11 |
EP2567042B1 EP2567042B1 (en) | 2023-10-18 |
EP2567042C0 EP2567042C0 (en) | 2023-10-18 |
Family
ID=44307062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11734931.6A Active EP2567042B1 (en) | 2010-01-21 | 2011-01-20 | Sheet-shaped structural elements for buildings |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2567042B1 (en) |
ES (1) | ES2967350T3 (en) |
SE (2) | SE535391C2 (en) |
WO (1) | WO2011090418A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LT6264B (en) * | 2014-06-18 | 2016-04-25 | Uab "Dreamhouse" | Glued log and method of its manufacture |
CA2983240A1 (en) * | 2015-04-24 | 2016-10-27 | Isotimber Holding Ab (Publ) | Wall system |
WO2020041457A1 (en) | 2018-08-21 | 2020-02-27 | Wright John David | Insulatable, insulative framework apparatus and methods of making and using same |
Family Cites Families (14)
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 (en) * | 1985-11-26 | 1986-01-16 | Ostermann & Scheiwe GmbH & Co, 4400 Münster | Beam-shaped wooden component |
GB2240556A (en) * | 1990-01-25 | 1991-08-07 | Intelbrit Technologies | Wall panel with self-compensating load-bearing supports |
AT397489B (en) * | 1992-09-04 | 1994-04-25 | Jandl Adolf | Glued laminated board with a lamella thickness of 45 mm |
SE504924C2 (en) | 1994-05-06 | 1997-05-26 | Hans Karlsson | Isolated log element |
DE9408382U1 (en) * | 1994-05-20 | 1994-08-04 | Egle Wilhelm | Wooden building element with wooden layers |
FI96710C (en) * | 1994-07-05 | 1996-08-12 | Honkarakenne Oy | Stock element and process for its preparation |
DE19604433A1 (en) * | 1996-02-07 | 1997-08-14 | Karl Moser | Vacuum glued plywood panel |
DE19833474A1 (en) * | 1998-07-24 | 2000-02-10 | Egle Wilhelm | Wood brick for construction is composed of profiled segments locked together with dimensions to form channel openings along their length for insulation and cable passages |
EP1288386A1 (en) * | 2001-09-04 | 2003-03-05 | Vorarlberger Ökohaus GmbH | Wall or ceiling element |
FR2861766A1 (en) * | 2003-10-29 | 2005-05-06 | Yoan Bibollet | Wooden beam for construction of cottage-type dwelling has horizontal sides including tenons and grooves for connection with another beam, and has longitudinal channels filled with insulating material or providing air spaces |
DE202007001771U1 (en) * | 2007-02-02 | 2007-06-06 | Nützel, Bernd | Wood hollow box carrier structure, e.g. for walls and ceilings, has upper and lower multi-layer boards separated by vertical struts at the ends and intermediate block board struts to form the hollow boxes |
WO2009134137A2 (en) * | 2008-04-28 | 2009-11-05 | Torkjell Flatland | Thermally insulating building construction element assembly, and timber or lumber member for same |
-
2010
- 2010-01-21 SE SE1000057A patent/SE535391C2/en not_active IP Right Cessation
-
2011
- 2011-01-20 ES ES11734931T patent/ES2967350T3/en active Active
- 2011-01-20 SE SE1200498A patent/SE1200498A1/en unknown
- 2011-01-20 WO PCT/SE2011/000009 patent/WO2011090418A1/en active Application Filing
- 2011-01-20 EP EP11734931.6A patent/EP2567042B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
SE535391C2 (en) | 2012-07-17 |
ES2967350T3 (en) | 2024-04-29 |
EP2567042B1 (en) | 2023-10-18 |
WO2011090418A1 (en) | 2011-07-28 |
EP2567042A4 (en) | 2015-11-11 |
SE1200498A1 (en) | 2012-08-20 |
SE1000057A1 (en) | 2011-09-13 |
EP2567042C0 (en) | 2023-10-18 |
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