EP3985191B1 - Lasttragendes vorgefertigtes zweischaliges fassadenholzwandelement - Google Patents

Lasttragendes vorgefertigtes zweischaliges fassadenholzwandelement Download PDF

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Publication number
EP3985191B1
EP3985191B1 EP21202038.2A EP21202038A EP3985191B1 EP 3985191 B1 EP3985191 B1 EP 3985191B1 EP 21202038 A EP21202038 A EP 21202038A EP 3985191 B1 EP3985191 B1 EP 3985191B1
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EP
European Patent Office
Prior art keywords
timber
load
wall element
frame
bearing
Prior art date
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Application number
EP21202038.2A
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English (en)
French (fr)
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EP3985191C0 (de
EP3985191A1 (de
Inventor
Miroslav Premrov
Vesna Zegarac Leskovar
Erika Kozem Silih
Bostjan Ber
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.)
Univerza v Mariboru
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Univerza v Mariboru
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Publication of EP3985191B1 publication Critical patent/EP3985191B1/de
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Classifications

    • 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
    • E04B2/88—Curtain walls
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/56—Fixing of glass panes or like plates by means of putty, cement, or adhesives only
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/58—Fixing of glass panes or like plates by means of borders, cleats, or the like
    • E06B3/5807—Fixing of glass panes or like plates by means of borders, cleats, or the like not adjustable
    • E06B3/5814—Fixing of glass panes or like plates by means of borders, cleats, or the like not adjustable together with putty or fixed by glue

Definitions

  • the present invention belongs to the field of construction, more precisely to the field of prefabricated walls.
  • the invention relates to a load-bearing prefabricated double-skin façade timber wall element.
  • DSF double-skin façade
  • the technical problem, which is solved by the present invention, is design of a prefabricated load-bearing element that will exhibit significantly improved horizontal load-bearing capacity compared to the known solutions.
  • the object of the invention is thus a load-bearing prefabricated double-skin façade timber wall element - DSF, which will be useful in multi-storey new constructions of prefabricated timber buildings, as well as in structural and energy renovations of prefabricated timber buildings.
  • Patent CH707540 discloses a transmitting glass wall element for light timber buildings.
  • the element has an insulating glass unit (IGU), composed of three glass panes divided by spacers filled with gas, i.e., the single-skin façade, which is mounted into a timber frame, so that outer edge of an IGU and the inner edge of the timber frame form a gap, height of which is equal to the thickness of the glass pane.
  • IGU insulating glass unit
  • the gap is filled with a viscous adhesive.
  • Timber frame together with a glass infill joint together with a circumferential adhesive layer form a load-bearing composite element.
  • the thickness of an IGU is equal to the thickness of the adhesive layer, while width of adhesive layer is between 5-9 mm.
  • EP 1 762 686 A2 discloses the features of the preamble of claim 1.
  • the use of a timber frame and the simultaneous introduction of the load-bearing function, have never been proposed or used before in the field of DSF systems. Furthermore, the invention allows for a simultaneous increase in the racking resistance of the DSF prefabricated element, as well as its sound and thermal resistance, which are classified as building-physical properties. None of the known solutions has so far met both constructional and building-physical properties at the same time.
  • the present invention relates to a load-bearing prefabricated double-skin façade timber wall element having the features of claim 1.
  • a load-bearing prefabricated timber wall element with double-skin façade comprises a timber frame encasing an inner insulating glass unit (IGU) and an adhesive layer suitable for the structural connection of timber and glass on one side, as well as the single-layer outer glazing glued with a weather-resistant silicone adhesive suitable for connecting timber and glass on the outer side.
  • a soft plastic spacer is installed between the timber frame and the outer laminated fully tempered glass in order to ensure precise installation of the silicone adhesive.
  • a cover strip is placed from the inner side over the timber frame in order to ensure correct and precise application of the polyurethane adhesive for gluing the inner three-layer insulating glazing.
  • thermal insulating glazing on the inside of the timber frame a three-layer glazing is used, which is attached frontally to the timber frame with polyurethane adhesive.
  • the present invention can be used in any timber building, while it especially allows for mass construction of prefabricated multi-storey timber buildings with an increased share of fixed glazing even in seismically or wind-active areas, which was practically impossible until now. Namely, the above-described construction significantly reduces the torsion of a multi-storey building by individual storeys. Consequently, the resistance of such a building to horizontal loads such as wind and seismic load is considerably increased, which cannot be achieved by a conventional glazed façade.
  • the element according to the invention is not ventilated, i.e., without any openings, but may be combined with other elements when used in construction of buildings.
  • the advantage of the invention is in the increased horizontal load-bearing capacity and horizontal stiffness as well as in the increased sound and partly thermal resistance.
  • an important advantage lies particularly in the fact that the double-skin timber-glazed façade elements according to the invention have horizontal load-bearing capacity and an environmentally friendly timber frame, while known elements do not.
  • the invention is applicable for load-bearing transparent timber-frame wall elements in prefabricated timber construction, both in the case of new buildings and in the case of energy and structural renovations of dilapidated old buildings.
  • the invention could be used in several fields:
  • a load-bearing prefabricated double-skin façade timber wall element according to the invention will be further described based on exemplary embodiments and figures, which show:
  • the load-bearing prefabricated timber DSF element comprises a timber frame 1, an inner IGU (insulating glass unit) 2, an adhesive 3suitable for the structural connection of timber and glass, a cover strip 4, a glued outer laminated fully tempered glass 5, a weather-resistant silicone adhesive suitable for connecting timber and glass 6, a soft plastic spacer 7 and an enamelled glass edge 8.
  • Thermal insulating three-layer glass unit 2 on the inside of the timber frame 1, is attached internally in the timber frame 1 with polyurethane adhesive 3 provided at side edges of said panes 2, and on the outside, laminated fully tempered glass 5 is provided, which is glued with the weather-resistant structural silicone adhesive 6 to the timber frame 1.
  • Figure 2 shows the connection of the inner glazing with a polyurethane adhesive thickness of 7 mm and connection of the outer glazing with the silicone adhesive thickness of 3 mm, which were also tested experimentally. However, these are essentially variable values, that were further analysed parametrically-numerically with specially developed computational mathematical models of DSF wall elements.
  • the selected thicknesses of all glazing can also be variable, but only DSF wall elements with the thicknesses shown in Figure 2 were experimentally tested, and the other values were parametrically calculated using the previously mentioned mathematical models.
  • Figure 3 shows a comparison of the results between the experimental tests performed on three full-scale test samples of wall elements (P1, P2 and P3) with the polyurethane adhesive for the inner glazing as shown in Figure 1 and described above. All tested DSW-P test subjects show similar response.
  • Adhesively bonded joint with a thickness of 7.0 mm allows for significant in-plane deformation of the wall element.
  • FGPA UM IQ-Home TRL5 internal report
  • we find that the thickness of the adhesive has a key effect on the stiffness and partly the load-bearing capacity of the wall element. A noticeable consequence of the thicker adhesive layer is also a greater slip between the glass and the timber frame in the connecting plane.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Finishing Walls (AREA)

Claims (5)

  1. Lasttragendes vorgefertigtes zweischaliges Fassadenholzwandelement, umfassend einen Holzrahmen (1) mit einer Innenseite und einer Außenseite und umfassend:
    - eine einschichtige Außenverglasung, die als vollgehärtetes Verbundglas (5) ausgebildet ist und auf der Außenseite des Holzrahmens (1) vorgesehen ist, und
    - eine dreischichtige Isolierverglasung in Form von Verbund-Floatglasscheiben (2), die innenseitig auf der Innenseite des Holzrahmens (1) angebracht ist,
    dadurch gekennzeichnet, dass
    - das laminierte vollgehärtete Verbundglas (5) mit einem wetterbeständigen strukturellen Silikonklebstoff (6) an den Holzrahmen (1) geklebt ist, und
    - die Scheiben (2) mit einem Polyurethanklebstoff (3), der an den Seitenkanten der Scheiben (2) vorgesehen ist, mit dem Holzrahmen (1) verklebt sind.
  2. Lasttragendes vorgefertigtes zweischaliges Fassadenholzwandelement nach Anspruch 1, wobei auf der Innenseite des Holzrahmens (1) eine Abdeckleiste (4) vorgesehen ist, um einen korrekten und präzisen Auftrag des Polyurethanklebers (3) zur Verklebung der inneren dreischichtigen Isolierverglasung (2) zu gewährleisten.
  3. Lasttragendes vorgefertigtes zweischaliges Fassadenholzwandelement nach Anspruch 1 oder Anspruch 2, wobei zwischen dem Holzrahmen (1) und der einschichtigen Außenverglasung (5) ein Weichkunststoff-Abstandshalter (7) vorgesehen ist, um eine präzise Montage des witterungsbeständigen Silikonklebers (6) zur Verklebung der vollgehärteten Verbundglaseinheit zu gewährleisten (5).
  4. Lasttragendes vorgefertigtes zweischaliges Fassadenholzwandelement nach einem der vorstehenden Ansprüche, wobei das vollgehärtete Verbundglas (5) mit einem emaillierten Glasrand versehen ist.
  5. Lasttragendes vorgefertigtes zweischaliges Fassadenholzwandelement nach einem der vorstehenden Ansprüche, wobei die Dicke des Polyurethanklebers 7 mm und die Dicke des Silikonklebers 3 mm beträgt.
EP21202038.2A 2020-10-13 2021-10-11 Lasttragendes vorgefertigtes zweischaliges fassadenholzwandelement Active EP3985191B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SI202000185A SI26095A (sl) 2020-10-13 2020-10-13 Razvoj nosilnega fasadnega montažnega lesenega stenskega elementa z dvojno zasteklitvijo

Publications (3)

Publication Number Publication Date
EP3985191A1 EP3985191A1 (de) 2022-04-20
EP3985191C0 EP3985191C0 (de) 2024-02-07
EP3985191B1 true EP3985191B1 (de) 2024-02-07

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ID=78087241

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EP21202038.2A Active EP3985191B1 (de) 2020-10-13 2021-10-11 Lasttragendes vorgefertigtes zweischaliges fassadenholzwandelement

Country Status (2)

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EP (1) EP3985191B1 (de)
SI (1) SI26095A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3141482B1 (fr) * 2022-10-26 2025-03-21 Saint Gobain Structure comportant un vitrage isolant fixe sur un mur en bois et procede d’assemblage d’une telle structure
FR3154428A1 (fr) * 2023-10-20 2025-04-25 Saint-Gobain Glass France système amortisseur pour vitrage isolant sur mur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6401428B1 (en) * 1999-10-07 2002-06-11 Bowmead Holding Inc. Fenestration sealed frame, insulating glazing panels
EP1509668B1 (de) * 2002-05-07 2006-11-08 VKR Holding A/S Plattenelement mit rahmen mit einer platteneinheit
DE102007058931A1 (de) * 2007-12-05 2009-06-18 Köster, Helmut, Dr.-Ing. Glasfassaden
SI23931A (sl) 2013-02-06 2013-05-31 KAGER HIĹ A d.o.o. Nosilni stekleni stenski element za lahke lesene zgradbe

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Publication number Publication date
EP3985191C0 (de) 2024-02-07
SI26095A (sl) 2022-04-29
EP3985191A1 (de) 2022-04-20

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