EP0956403B1 - An assembly for fastening a self-supporting wall to a hanger - Google Patents

An assembly for fastening a self-supporting wall to a hanger Download PDF

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Publication number
EP0956403B1
EP0956403B1 EP97947752A EP97947752A EP0956403B1 EP 0956403 B1 EP0956403 B1 EP 0956403B1 EP 97947752 A EP97947752 A EP 97947752A EP 97947752 A EP97947752 A EP 97947752A EP 0956403 B1 EP0956403 B1 EP 0956403B1
Authority
EP
European Patent Office
Prior art keywords
wall
support
overlying
arrangement
self
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.)
Expired - Lifetime
Application number
EP97947752A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0956403A1 (en
Inventor
Kjell NORDSTRÖM
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.)
Paroc Group Oy AB
Original Assignee
Paroc Group Oy AB
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 Paroc Group Oy AB filed Critical Paroc Group Oy AB
Priority to SI9730568T priority Critical patent/SI0956403T1/xx
Publication of EP0956403A1 publication Critical patent/EP0956403A1/en
Application granted granted Critical
Publication of EP0956403B1 publication Critical patent/EP0956403B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
    • E04B2/7409—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts special measures for sound or thermal insulation, including fire protection
    • E04B2/7411—Details for fire protection

Definitions

  • the present invention relates to an arrangement serving to anchor a wall structure to an overlying support structure.
  • the overlying support structure may be formed by any supporting part of a building situated immediately above the wall structure.
  • Such an overlying support may be formed, e.g., by an intermediate floor subjected to a varying surface load. Over large spans, this type of structure can sag several centimeters under a high load in a reversible manner permitting the magnitude of sag to decrease when the load is reduced.
  • a building component such as a partition wall is to be mounted below such a structure in a manner not serving to bear the overlying load
  • the partition wall must be anchored in a fashion permitting changes in the sag of the overlying floor.
  • Fire-rated walls are conventionally made into wall structures capable of bearing their own weight (i.e., self-supporting), which means that they also must remain integral under a fire to an extent defined in fire-rating codes.
  • a fire-rated wall can be made using a conventional wall structure comprising a mineral wool core faced on both sides with sheet metal.
  • the mineral wool grade used herein is a structurally rigid grade of mineral wool, and the skin plates are bonded with an adhesive to the core.
  • This integral entity forms a multilayer wall structure which acts as a light-weight, effective thermal insulation, simultaneously offering sufficient rigidity to form a self-supporting wall.
  • all the basic members of the wall are made from noncombustible materials.
  • such a wall When used as a partition wall, such a wall is supported to the overlying structure, such as an overlying intermediate floor so that horizontal support rails are mounted to the underside of the intermediate floor so as to run parallel to both sides of wall surface.
  • the support rails have downward projecting flanges.
  • the vertical height of the wall panel will be reduced from its nominal height by a small value equal to the estimated vertical sag movement of the overlying intermediate floor structure, and accordingly, if the flanges are not fastened in a permanent manner to the face of the wall panel, the arrangement facilitates a vertical mutual movement between the intermediate floor structure and the wall element without imposing additional stresses on the wall structure.
  • this type of wall Under a fire, this type of wall is generally subjected to heat stresses from one side only, whereby the wall is required to resist the heat for a time specified in its fire rating.
  • the wall can essentially maintain its initial integrity which is a primary criterion particularly with self-supporting walls.
  • the fire stresses are chiefly imposed on structures related to the self-supporting character of the wall such as the bond mentioned as an example above between the skin plates and the insulation material.
  • attention In the anchoring arrangement of the wall attention must be paid to prevent any member of the wall from collapsing in less than the rated time even if the bond between the skin plate and the insulation would fail on one side of the wall panel.
  • the joints between the wall panels are implemented as tongue-and-groove joint structures formed from the skin sheets of the wall panels, whereby said joint structures involve members protruding into the interior of the wall panel. These inward projected members form suitable tabs to which the hanging support elements can be appropriately fastened.
  • the hanging support elements can be mounted invisibly only at the areas of the interpanel joints, that is, at the wall panel corners.
  • the hanging support elements fastened to the opposite-side skin plates of the wall panel will be located close to each other due to the close proximity of their fastening points, at the area of the top-edge seal gap of the panel, whereby they will become essentially simultaneously subjected to equal heat stress imposed by the fire.
  • the verification of proper installation of the support elements after the installation of the wall is almost impossible, which causes problems during fire-rating inspections.
  • a fire-rated wall 1 installed as shown in the diagram is supported by an overlying support structure 2 which may be, e.g., an overlying intermediate floor.
  • the wall 1 comprises an insulating core 7 made from a structurally rigid grade of mineral wool which is faced on both broad sides with a skin plate 1' and 1", respectively.
  • the skin plates are made from sheet metal and adhesively bonded to the core in a conventional manner.
  • the wall 1 is supported to the intermediate floor 2 using an L-shaped rail, whose one flange is fastened to the underside of the intermediate floor 2, whereby the other flange projects downward.
  • the intermediate floor 2 can sag with respect to the top edge of the wall 1 without imposing a compressive vertical load on the wall 1.
  • the height of the wall 1 is dimensioned so that the maximum permissible sag of the intermediate floor can be accommodated.
  • the sagging clearance remaining between the wall and the intermediate floor is appropriately sealed with a resilient insulation material such as elastic mineral wool.
  • the arrangement according to the invention includes strip-formed hanging support clips 4.
  • These angle clips are advantageously made from a flexible material.
  • a practicable hanging support clip can be fabricated from sheet metal.
  • the rigidity of the sheet metal material is advantageously higher than that of the skin plate material of the wall panel.
  • other embodiments are possible in the design of the support element with the essential provision that the hanging support element is made flexible at least over a given area of its length, advantageously at its midpart.
  • the hanging support clips 4 are adapted on one hand between the support rails 3 and the wall 1, on the other hand, between the support rails 3 and the intermediate floor 2.
  • the fastening of the hanging support clips 4 to the underside of the intermediate floor 2 is advantageously accomplished using the same type of anchoring elements as are used for mounting the support rails 3 to the underside of the intermediate floor.
  • the hanging support clips 4 are fastened using appropriate fastener elements 6 such as screws, rivets or welding.
  • the downward-projecting flanges 3' of the support rails 3 are provided with mounting openings 5 which are advantageously also elongated in the vertical direction in order to permit vertical movement of the head of the fastener element 6 in the mounting opening 5.
  • the accommodation of said movement can be accomplished by using a larger installation clearance between the inner sides of the flanges 3' and the sides of the wall.
  • the hanging support clip 4 is fabricated so that, in its L-shaped mounting position, it can yield at its bent area toward the seal gap when the sag of the intermediate floor 1 becomes larger.
  • the hanging support clips are advantageously factory-mounted to the support rails 3 in the fashion shown in Fig. 2, and additionally, in order to accommodate installation of fastening screws, are provided with mount-through holes which are aligned with the mounting holes of the support rails.
  • the portion of the hanging support clip 4 remaining under the flange 3' of the support rails 3 may also be provided with a mounting hole to permit, e.g., the use of fastener rivets.
  • the function of the hanging support clip 4 is to support the skin plate 1' or 1", respectively, of the wall panel 1 in place under such a fire that causes the skin plate to detach from the wall panel core 7 due to the failure of the skin-core bond.
  • the secured supporting of the skin plate in place serves to provide improved protection to the insulation core of the wall panel, thereby helping the opposite-side skin sheet to stay sufficiently cool for a prolonged time under a fire in order to retain the bonding integrity of that side.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Building Environments (AREA)
  • Finishing Walls (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
  • Clamps And Clips (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Handcart (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Tents Or Canopies (AREA)
  • Movable Scaffolding (AREA)
  • Ladders (AREA)
  • Casings For Electric Apparatus (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP97947752A 1996-12-18 1997-12-18 An assembly for fastening a self-supporting wall to a hanger Expired - Lifetime EP0956403B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9730568T SI0956403T1 (en) 1996-12-18 1997-12-18 An assembly for fastening a self-supporting wall to a hanger

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI965090 1996-12-18
FI965090A FI102096B (fi) 1996-12-18 1996-12-18 Järjestely itsekantavan seinän kiinnittämiseksi yläpuoliseen kannakkee seen
PCT/FI1997/000803 WO1998027292A1 (en) 1996-12-18 1997-12-18 An assembly for fastening a self-supporting wall to a hanger

Publications (2)

Publication Number Publication Date
EP0956403A1 EP0956403A1 (en) 1999-11-17
EP0956403B1 true EP0956403B1 (en) 2003-05-21

Family

ID=8547305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97947752A Expired - Lifetime EP0956403B1 (en) 1996-12-18 1997-12-18 An assembly for fastening a self-supporting wall to a hanger

Country Status (10)

Country Link
EP (1) EP0956403B1 (pl)
AT (1) ATE241055T1 (pl)
DE (1) DE69722251T2 (pl)
DK (1) DK0956403T3 (pl)
ES (1) ES2195179T3 (pl)
FI (1) FI102096B (pl)
NO (1) NO319714B1 (pl)
PL (1) PL189537B1 (pl)
PT (1) PT956403E (pl)
WO (1) WO1998027292A1 (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007052695A1 (de) * 2007-11-06 2009-05-20 Lehmann, Gabriele, Dr. Variable Wandeinheit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4356674A (en) * 1980-03-31 1982-11-02 Herman Miller, Inc. Free-standing space divider assembly with acoustic upper end border
US4361994A (en) * 1980-08-11 1982-12-07 Carver Tommy L Structural support for interior wall partition assembly
US4642957A (en) * 1984-12-11 1987-02-17 Edwards Troy C Interior wall trim system

Also Published As

Publication number Publication date
DE69722251T2 (de) 2004-03-25
ES2195179T3 (es) 2003-12-01
DK0956403T3 (da) 2003-09-15
DE69722251D1 (de) 2003-06-26
FI965090A0 (fi) 1996-12-18
NO319714B1 (no) 2005-09-05
FI965090L (fi) 1998-06-19
NO992964L (no) 1999-08-18
FI102096B1 (fi) 1998-10-15
NO992964D0 (no) 1999-06-17
PL334005A1 (en) 2000-01-31
EP0956403A1 (en) 1999-11-17
ATE241055T1 (de) 2003-06-15
PL189537B1 (pl) 2005-08-31
FI102096B (fi) 1998-10-15
PT956403E (pt) 2003-09-30
WO1998027292A1 (en) 1998-06-25

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