EP3584381B1 - Brandschutzverbindung - Google Patents

Brandschutzverbindung

Info

Publication number
EP3584381B1
EP3584381B1 EP18178889.4A EP18178889A EP3584381B1 EP 3584381 B1 EP3584381 B1 EP 3584381B1 EP 18178889 A EP18178889 A EP 18178889A EP 3584381 B1 EP3584381 B1 EP 3584381B1
Authority
EP
European Patent Office
Prior art keywords
seal
joint
faces
leg portion
elongated
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
EP18178889.4A
Other languages
English (en)
French (fr)
Other versions
EP3584381A1 (de
Inventor
Raymond Porter
Edwin S. GAUCH
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.)
Etex Australia Pty Ltd
Etex Building Performance GmbH
Original Assignee
Etex Australia Pty Ltd
Etex Building Performance GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Etex Australia Pty Ltd, Etex Building Performance GmbH filed Critical Etex Australia Pty Ltd
Priority to EP18178889.4A priority Critical patent/EP3584381B1/de
Priority to AU2019204003A priority patent/AU2019204003B2/en
Publication of EP3584381A1 publication Critical patent/EP3584381A1/de
Application granted granted Critical
Publication of EP3584381B1 publication Critical patent/EP3584381B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6813—Compressable seals of hollow form
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/948—Fire-proof sealings or joints

Definitions

  • the present invention relates to joints between a first and a second construction element, more particular to fire protection joints, and to methods to provide fire protection joints.
  • the design often includes structural joints in walls and ceilings, such as expansion joints which accommodate thermal and/or seismic movements of the various materials. If the walls and ceilings are also fire compartment boundaries, then also the joint seals need to have a certain fire resistance, and thus fire protection joints are required, which prevent the progression of fire in the construction.
  • WO2008/028219A1 discloses an elongated seal for sealing a joint between a first and a second construction element, said seal comprising an intumescent material and comprising opposing first and second support faces, for contacting opposing faces of a joint opening; a resilient bridge portion connecting said first and said second support faces, and a leg portion for contacting a part of said first or second construction element outside sa method for providing a fire proof joint, which method comprises the steps of (i) providing a first and a second construction element, each of said construction elements having a face, said faces being substantially parallel and creating a joint opening; (ii) providing an elongated seal, elongated along an axis of elongation, said seal comprising intumescent material, said seal being, in uncompressed state, a tube or a profile profiled perpendicularly to the axis of elongation, the tube or profile having a wall thickness, and (iii) installing in the joint opening said elongated seal by
  • the seals can accommodate movement between the construction elements forming the joint gap, while still ensuring fire sealing.
  • the joint prefabrication provides a large flexibility and variety of materials which can be used for the manufacture thereof, allowing for optimizing the joint design for the intended purpose.
  • the joint according to the present invention in partially expansion joints, may be subjected to many cycles of dimensional changes (e.g. expansion and shrinkage cycles), before signs of fatigue under the changing compression forces are noticeable for the elongated seal. Meanwhile, the seal can prevent fire being able to proceed through the joint when the joint is under fire exposure, even after such multiple cycles of dimensional changes.
  • dimensional changes e.g. expansion and shrinkage cycles
  • fire prevention can be guaranteed over a long period of time of the building containing the two construction elements.
  • the joint may be one of various types which can occur in a construction, such as expansion joints, construction joints, and wall cavities (e.g. cavities behind building facades). Accordingly, in particular embodiments, the joint may be selected from the list consisting from an expansion joint, a construction joint, or a wall cavity.
  • the first and a second construction element may each be a wall element, a floor element, a ceiling element, or any combination of a wall, floor or ceiling element, window or door frames and alike. These elements may be provided from any suitable construction material, like bricks, concrete, screed, gypsum, fiber cement, etc.
  • the joint opening generally has an elongate shape, and is provided with an elongated seal, also referred to herein as "the seal”, as to seal the joint opening.
  • the seal also referred to herein as "the seal”
  • the term "elongated” as used herein is to be understood as being longer in one direction as compared to the other dimensions.
  • the length is at least 10 times the width of the seal and at least 10 times the height of the seal.
  • the seal In its uncompressed state (before installation of the seal in the joint opening) the seal may have a tubular shape or may be a differently shaped elongated profile (e.g. an elongated profiled sheet).
  • the profile is preferably profiled perpendicularly to the axis of elongation.
  • the seal generally is formed as a tube or another profile (e.g. a profiled sheet).
  • the tube or profile has a wall thickness, which may be uniform along the entire seal, or may vary.
  • the cross-section of the seal perpendicular to the axis of elongation
  • the seal When installed in the joint opening, i.e. in its compressed state, the seal is (elastically) deformed, leading to a deformation of its cross-section, while the wall thickness preferably remains substantially unchanged under the compression.
  • substantially unchanged means that on any point on the seal, the wall thickness changes at most 10%, more preferably at most 5% (increase or decrease) under the compression.
  • the fact that the wall thickness remains substantially unchanged means that the walls are not substantially compressed by the compression forces exercised by the two faces of the two construction elements when the seal is installed in the joint.
  • the seal generally is elastically deformed due to the compression, which means that it will substantially return to its original shape upon release of the compressive force.
  • the use of an elastic material allows the joints to accommodate for relative movement between the first and second construction elements.
  • the bridge portion preferably forms a closed structure, i.e. does not contain openings or holes. In this way, the bridge portion can (together with the first and second support faces) effectively close the joint. This can further improve the fire resistance and acoustic properties of the joint.
  • the construction element contacted by the leg portion is a wall, wherein the leg portion contacts a part of the wall surface (outside the joint).
  • the leg portion typically extends from the first support face, the second support face, or the bridge portion. Preferably it extends from the first or second support face. The leg portion extends only partially extends into that area.
  • the intumescent seal is an extruded tubular object, hence a tube, comprising flexible intumescent material, as an example graphite based intumescent material, e.g. Grafitex, available from Promat International Ltd (MY), combined with a polymer (used as plasticizer), being e.g. PVC.
  • the weight ratio intumescent material/plasticizer is 50/50.
  • the tubular body has a wall thickness of 1.5 mm, in uncompressed state.
  • the overall external diameter of the tubular body of the tube is, in uncompressed state, 55mm.
  • the intumescent tube is inserted in a joint opening with a maximum widwall tth between 20 and 50 mm.
  • the intumescent sheet may have different shapes, such as a C profile ( Fig. 2b ), a Z profile ( Fig. 2c ), a coil around the longitudinal axis ( Fig. 2d ), a P profile ( Fig. 2e ), a V profile ( Fig. 2f ), a W profile ( Fig. 2g ), or a ⁇ (lowercase beta) profile ( Figs. 2h and 2i ).
  • the intumescent material comprises as an example graphite based intumescent material, being about 30%w of graphite, combined with about 30%w of a thermoplastic polyolefin, about 30% of a flame retarder, e.g. sucrose or other sugars; and about 10%w of additives, such as process additives, which facilitate to a larger extent the extrusion of the mixture.
  • a joint 700 being a wall cavity between a first wall construction element 710 and a second wall construction element 720 is shown.
  • the first wall element has a face 712
  • the second wall element has a face 722 being substantially parallel and creating a joint opening 700 being a wall cavity.
  • the joint opening has a joint axis 730 substantially parallel to the faces.
  • the joint comprises along this joint axis an elongated seal 702, which is W-shaped.
  • a support plate 704 is provided, e.g. a solid polymer plate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Claims (11)

  1. Langgestreckte Dichtung (802) zum Abdichten einer Fuge zwischen einem ersten und einem zweiten Bauelement, wobei die Dichtung ein intumeszierendes Material umfasst und Folgendes aufweist:
    - zueinander parallele erste und zweite Stützflächen (831, 832) zum Berühren gegenüberliegender Flächen einer Fugenöffnung,
    - einen elastischen Brückenabschnitt (833), der die ersten und zweiten Stützflächen (831, 832) verbindet,
    - einen Schenkelabschnitt (806), der sich von der ersten oder der zweiten Stützfläche (831, 831, 832) erstreckt und eine ebene Form mit einer Innenfläche auf einer Seite und einer Außenfläche auf der gegenüberliegenden Seite aufweist und eine Ausrichtung relativ zu den ersten und zweiten Stützflächen (831, 832) zwischen 75 und 105° hat,
    wobei sich der Schenkelabschnitt (806) höchstens teilweise in einen Bereich zwischen den ersten und zweiten Stützflächen (831, 832) erstreckt, wobei der Schenkelabschnitt (806) dazu dient, einen Teil des ersten oder zweiten Konstruktionselements außerhalb der Verbindung zu berühren, und
    - einen Flansch (834) mit einer Außenfläche, die parallel zur Außenfläche des Schenkelabschnitts (806) ausgerichtet ist, wobei der Flansch (834) mit einer der Stützflächen (831, 832) verbunden ist oder mit dem elastischen Brückenabschnitt (833) verbunden ist und von dem Schenkelabschnitt (806) durch einen Spalt (835) getrennt ist,
    wobei der Flansch (834) und der Schenkelabschnitt (806) so positioniert sind, dass sich beim Zusammendrücken der Dichtung (802) während des Einsetzens der Dichtung (802) in die Fugenöffnung der Schenkelabschnitt (806) und der Flansch (834) aufeinander zu bewegen, wodurch sich der Spalt (835) schließen kann.
  2. Langgestreckte Dichtung (802) nach Anspruch 1, wobei der Stegteil (833) einen seitlich nach innen gewinkelten und/oder abgerundeten Abschnitt aufweist.
  3. Langgestreckte Dichtung (802) nach einem der Ansprüche 1 oder 2, wobei der Flansch (834) und/oder der Schenkelabschnitt (806) verjüngte Kanten aufweist.
  4. Langgestreckte Dichtung (802) nach einem der Ansprüche 1 bis 3, wobei die Dichtung (802) intumeszierendes Material und Polymer umfasst.
  5. Langgestreckte Dichtung (802) nach einem der Ansprüche 1 bis 4, wobei das aufschäumende Material auf Ammoniumpolyphosphat basierende aufschäumende Materialien, auf Graphit basierende aufschäumende Materialien oder eine Kombination davon umfasst.
  6. Verfahren zur Herstellung einer feuerfesten Fuge, wobei das Verfahren die folgenden Schritte umfasst:
    - Bereitstellen eines ersten und eines zweiten Konstruktionselements, wobei jedes der Konstruktionselemente eine Fläche aufweist, wobei die Flächen im Wesentlichen parallel sind und eine Fugenöffnung bilden,
    - Bereitstellen einer langgestreckten Dichtung, die entlang einer Dehnungsachse langgestreckt ist, wobei die Dichtung intumeszierendes Material umfasst, wobei die Dichtung im nicht komprimierten Zustand ein Profil ist, das senkrecht zur Dehnungsachse profiliert ist, wobei das Profil eine Wandstärke aufweist; und
    - Einbau der langgestreckten Dichtung in die Fugenöffnung, wobei die Dichtung zwischen den beiden Flächen zusammengedrückt wird, wodurch der profilierte Querschnitt elastisch verformt wird, während die Wanddicke unter dem Druck im Wesentlichen unverändert bleibt,
    dadurch gekennzeichnet, dass die Dichtung (802) eine langgestreckte Dichtung nach einem der Ansprüche 1-5 ist,
    wobei der Einbau der Dichtung (802) in die Fugenöffnung durch Berühren der Flächen des ersten und des zweiten Bauelements durch die gegenüberliegende erste und zweite Stützfläche (831, 832) der Dichtung (802) erfolgt, und
    wobei der Schenkelabschnitt (806) beim Einbau mit seiner Innenfläche einen Teil des ersten oder zweiten Bauelements außerhalb der Fuge berührt.
  7. Verfahren nach Anspruch 6, wobei beim Zusammendrücken der Dichtung (802) der Flansch (834) und der Schenkelabschnitt (806) übereinander gleiten können.
  8. Verfahren nach Anspruch 6 oder 7, bei dem die Fugenöffnung eine maximale Breite Wm aufweist, wobei die erste und die zweite Berührungslinie zwei Berührungspunkte auf dem Profil der Dichtung definieren, wobei der Abstand zwischen diesen beiden Berührungspunkten, gemessen auf dem Profil im nicht zusammengedrückten Zustand, D beträgt und Wm gleich oder kleiner als 0,97*D ist.
  9. Verfahren nach einem der Ansprüche 6 bis 8, wobei die Wandstärke des Profils im Bereich von 0,5 bis 10 mm liegt.
  10. Verfahren nach einem der Ansprüche 6 bis 9, wobei die feuerfeste Fuge eine Dehnungsfuge, eine Arbeitsfuge oder ein Wandhohlraum ist.
  11. Konstruktion mit einem ersten und einem zweiten Konstruktionselement und einer Fuge zwischen dem ersten und dem zweiten Konstruktionselement, wobei:
    - jedes der Konstruktionselemente eine Fläche aufweist, wobei die Flächen im Wesentlichen parallel sind und eine Fugenöffnung bilden,
    - die Fuge eine längliche Dichtung (802) umfasst, die sich entlang einer Dehnungsachse erstreckt, wobei die Dichtung (802) intumeszierendes Material umfasst, wobei die Dichtung (802) im nicht komprimierten Zustand ein Profil ist, wobei das Profil eine Wanddicke aufweist, wobei die Dichtung (802) in der Fugenöffnung installiert wurde und zwischen den beiden Flächen der Konstruktionselemente komprimiert wird, wobei der Profilquerschnitt elastisch verformt wird, während die Wanddicke unter der Kompression im Wesentlichen unverändert bleibt,
    wobei die längliche Dichtung (802) eine längliche Dichtung nach einem der Ansprüche 1-5 ist, wobei die Dichtung (802) in der eingebauten Position so angeordnet ist, dass
    - die erste und zweite Stützfläche (831, 832) der Dichtung (802), die eine ebene Form haben, in Kontakt mit den gegenüberliegenden Flächen des ersten und zweiten Konstruktionselements sind;
    - der Schenkelabschnitt (806) mit seiner Innenfläche einen Teil des ersten oder zweiten Bauelements außerhalb der Verbindung berührt;
    - der Flansch (834) und der Schenkelabschnitt (806) so angeordnet sind, daß der Spalt (835) zwischen ihnen geschlossen ist.
EP18178889.4A 2018-06-20 2018-06-20 Brandschutzverbindung Active EP3584381B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18178889.4A EP3584381B1 (de) 2018-06-20 2018-06-20 Brandschutzverbindung
AU2019204003A AU2019204003B2 (en) 2018-06-20 2019-06-07 Fire protection joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18178889.4A EP3584381B1 (de) 2018-06-20 2018-06-20 Brandschutzverbindung

Publications (2)

Publication Number Publication Date
EP3584381A1 EP3584381A1 (de) 2019-12-25
EP3584381B1 true EP3584381B1 (de) 2025-08-13

Family

ID=62715970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18178889.4A Active EP3584381B1 (de) 2018-06-20 2018-06-20 Brandschutzverbindung

Country Status (2)

Country Link
EP (1) EP3584381B1 (de)
AU (1) AU2019204003B2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10184246B2 (en) 2010-04-08 2019-01-22 California Expanded Metal Products Company Fire-rated wall construction product
US12215498B2 (en) 2012-01-20 2025-02-04 Cemco, Llc Fire-rated joint system
US12024882B2 (en) 2020-01-22 2024-07-02 Bohning Company, Ltd. Structural barrier and related method of use
US11306476B2 (en) 2020-01-22 2022-04-19 Bohning Company, Ltd. Structural gap filler and related method of use
US12454824B2 (en) * 2020-08-19 2025-10-28 Cemco, Llc Building joint with compressible firestopping component
US12392132B2 (en) 2020-08-24 2025-08-19 Hilti Aktiengesellschaft Sealing device for the edge joint of drywall, drywall, as well as a method for producing drywall
EP3974593A1 (de) 2020-09-29 2022-03-30 Hilti Aktiengesellschaft Dichtungselement für eine bauwerksfuge
EP4223954A1 (de) * 2022-02-04 2023-08-09 Bohning Company, Ltd. Strukturelle barriere und zugehöriges verfahren zur verwendung
JP2023122241A (ja) * 2022-02-22 2023-09-01 イイダ産業株式会社 熱膨張性耐火成形体
JP2023173576A (ja) * 2022-05-26 2023-12-07 Ｊｆｅシビル株式会社 外壁パネルおよびこれを用いた外壁の構造、ならびに外壁パネルの施工方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2007294456A1 (en) * 2006-09-08 2008-03-13 Boss Polymer Technologies Pty Ltd Joint seal
US8375666B2 (en) * 2009-07-14 2013-02-19 Specified Technologies Inc. Firestopping sealing means for use with gypsum wallboard in head-of-wall construction
EP3056626A1 (de) * 2015-02-13 2016-08-17 HILTI Aktiengesellschaft Fugendichtband mit vorbestimmter Geometrie und Dichtanordnung mit derartigem Fugendichtband

Also Published As

Publication number Publication date
AU2019204003B2 (en) 2024-12-05
AU2019204003A1 (en) 2020-01-16
EP3584381A1 (de) 2019-12-25

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