EP2141303B1 - Structural building panel - Google Patents

Structural building panel Download PDF

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Publication number
EP2141303B1
EP2141303B1 EP09163716.5A EP09163716A EP2141303B1 EP 2141303 B1 EP2141303 B1 EP 2141303B1 EP 09163716 A EP09163716 A EP 09163716A EP 2141303 B1 EP2141303 B1 EP 2141303B1
Authority
EP
European Patent Office
Prior art keywords
lamellas
building panel
mineral
load
core layer
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
EP09163716.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2141303A3 (en
EP2141303A2 (en
Inventor
Sebenik Gorazd
Smolej Jure
Kese Miha
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.)
Knauf Insulation SPRL
Original Assignee
Knauf Insulation GmbH Austria
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 Knauf Insulation GmbH Austria filed Critical Knauf Insulation GmbH Austria
Priority to PL09163716T priority Critical patent/PL2141303T3/pl
Priority to SI200931687T priority patent/SI2141303T1/sl
Publication of EP2141303A2 publication Critical patent/EP2141303A2/en
Publication of EP2141303A3 publication Critical patent/EP2141303A3/en
Application granted granted Critical
Publication of EP2141303B1 publication Critical patent/EP2141303B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal
    • 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
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/296—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and non-metallic or unspecified sheet-material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E04D3/352—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material at least one insulating layer being located between non-insulating layers, e.g. double skin slabs or sheets

Definitions

  • This invention relates to a load-bearing structural element for building purposes.
  • a board-like structural element comprising a core of mineral wool lamellas sandwiched between metal sheets.
  • Such structural elements are known, for example, the "Paroc Panel System” from Paroc GmbH, D-28816 Stuhr.
  • the metal panels are glued to the mineral wool core layer.
  • the outside surfaces are exposed surfaces.
  • EP1707349A2 , WO2007/085260A1 , EP0396306A2 , DE4143387A1 , WO 2005/124048A1 and WO 94/20703A1 disclose insulation panels according to the state of the art.
  • panels may be, for example, 6 m long and 1 m wide. They are generally mounted directly on a structural frame, for example a steel skeleton, often by being screwed on. They are used in particular for facade construction, but also for roofing.
  • the size of the elements requires high mechanical stability.
  • the elements which for example span a distance of 2 metres when installed on steel beams spaced every two metres, may be subject to considerable mechanical loading from wind load or from rain or snow if they are used for roofing.
  • the mineral wool core layer provides a degree of mechanical stability and thermal insulation.
  • One aim of the invention is to optimise the mechanical and thermal properties of such types of building construction elements. It would be desirable to increase the stability of individual panels to improve installation reliability and/or to facilitate construction in which greater distances between fastening supports are possible. In particular, standardisation of the properties of the structural element is desirable.
  • the invention provides a supporting building structural element with a length that is preferably greater than 3-times its width having a core sandwiched between first and second metal panels, the core comprising a layer of mineral fibre lamellas, in which
  • the mineral wool core layer consists of mineral wool lamellas that are built-up the same way and arranged beside each other.
  • the mineral wool core layer has different lamellas, i.e. lamellas with different properties.
  • the formation of the individual mineral fibre lamellas is such that, depending on the application, the desired properties of the structural element are optimised for the panel as a whole.
  • Mineral fibre lamellas with a fibre orientation that is mainly perpendicular to the large main surfaces generally have high compressive strength (in a direction perpendicular to the metal panels); the shearing strength between adjacent mineral fibre lamellas within such structural elements, however, is often quite low.
  • lamellas with high compressive strength are combined with lamellas having high shearing strength.
  • the mineral wool core layer is constructed as follows, whereby A lamellas have high compressive strength and B lamellas have high shearing strength:
  • lamella may include:
  • the number of different lamellas within a structural element is not limited. It is just as possible to place several of the same lamellas beside each other. To this extent, the invention is not subject to any restrictions at all, although regular lamella placements are favourable to the extent that the resulting structural element has regular, extensively equivalent properties over the entire surface and the entire volume respectively.
  • the property for example the compressive strength of the respective lamella
  • the property can be set through a greater thickness of individual mineral fibre lamellas.
  • different dimensions of the lamellas create the possibility of optically designing the structural element generally such that the top has a staggered or crenulated profile, for example.
  • the length of the structural elements in accordance with the invention may be greater or equal to 3 m; it may be less than or equal to 15 m.
  • the width of the structural elements may be greater than or equal to 0.5 m; it may be less than or equal to 2 m. Generally, the length would be in the range 6 to 12 m and the width between 0.7 and 1.2 m.
  • the thickness of a structural element is generally at least 0.05 m; it may be less than or equal to 0.3m.
  • edges of the structural elements can be designed with a tongue and groove system, for example, which means two adjacent joining edges have a tongue and the two others have a groove. That way, adjacent structural elements can be connected without joints. Only around the outer surfaces (outside edges), for example in the corner area of facades, is it necessary to construct an additional edge seal, for example with a metal panel, similar to the one on the main surfaces.
  • panels of other materials may be used as covering elements, for example panels made of plastic.
  • the surface of the covering(s) may be flat, rippled, profiled, or designed some other way. This applies to both the surface of the metal panels that point in the direction of the mineral wool core layer, as well as the surface of the metal panel, which has a free outer surface and therefore is the exposed surface.
  • the structural element may have a fire resistance class of at least EI 60 (for a panel thickness of 80 mm for example) in accordance with EN 1364-1 and/or EN 13501-2.
  • the structural element may have a fire protection class of EI 180, for example with a panel thickness of 200 mm or more.
  • the sound absorption (dB) may be greater than 32 in accordance with EN ISO 140-3.
  • the individual mineral fibre lamellas have the following characteristics: Lamella type A B C D E Material stone wool stone wool stone wool stone wool stone wool stone wool stone wool stone wool stone wool stone wool stone wool density (kg/m 3 ) 100 100 130 80 90 Possible range of compressive strength (kPa) 40-100 30-90 90-150 40-100 30-90 Compressive strength (kPa) as per EN 826 (example) 71 60 112 68 58 Possible range of tensile strength (kPa) 60-130 50-120 90-160 60-130 50-120 Tensile strength (kPa) as per EN 1607 (example) 109 92 134 112 86 Possible range of the shearing strength (kPa) 30-90 40-100 60-120 30-90 40-100 Shearing strength (Pa) as per EN 12090 (example) 50 64 85 53 61 Binding agent content (M-%), related to the entire mineral wool lamella 4.0 4.0 3.8 4.4 3.0 Possible range of fibre length (I 50
  • the metal panels shown as covering layers are made of galvanised sheet steel with a thickness of 3 mm.
  • the mineral wool core layer K as per Figure 1 is constructed symmetrically. Lamella A follows lamella B, and then another lamella A and so on. All lamellas are the same size.
  • the illustrated core layer as a whole has normal compressive and tensile strength for stone wool lamellas and a comparably high shearing strength.
  • the panel is particularly well suited for installation in roof structures where the highest shearing strength possible is desired.
  • layers B are twice as wide as layers A. This increases the shearing strength further, while the compressive and tensile strength is reduced somewhat.
  • Such mineral wool core layers are used in panels where there is a great need for high shearing strength (large distances between the supports of the structural framework, and panels with extreme shearing loads).
  • the individual lamellas may run throughout the entire width (of 1 m for example) of a structural element. However, they can also be placed one behind the other and beside each other in the longitudinal direction of the structural element as shown in Figures 3 to 5 .
  • the different types of lamellas are each marked.
  • the lamellas are arranged so that their lengths are in the same direction as the length of the building panel.
  • the respective lamellas (here A, B) are designed with a groove N or alternatively a tongue F.
  • FIG. 7 A sample installation is shown in Figure 7 .
  • a steel frame S with metal supports T can be seen.
  • Individual structural elements KE ie load-bearing structural building panels
  • support T screwd on

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
EP09163716.5A 2008-07-02 2009-06-25 Structural building panel Active EP2141303B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL09163716T PL2141303T3 (pl) 2008-07-02 2009-06-25 Konstrukcyjna płyta budowlana
SI200931687T SI2141303T1 (sl) 2008-07-02 2009-06-25 Konstrukcijska gradbena plošča

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008030944A DE102008030944A1 (de) 2008-07-02 2008-07-02 Tragendes Bau-Konstruktionselement

Publications (3)

Publication Number Publication Date
EP2141303A2 EP2141303A2 (en) 2010-01-06
EP2141303A3 EP2141303A3 (en) 2016-05-18
EP2141303B1 true EP2141303B1 (en) 2017-04-05

Family

ID=40823365

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09163716.5A Active EP2141303B1 (en) 2008-07-02 2009-06-25 Structural building panel

Country Status (4)

Country Link
EP (1) EP2141303B1 (sl)
DE (1) DE102008030944A1 (sl)
PL (1) PL2141303T3 (sl)
SI (1) SI2141303T1 (sl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20105688A (fi) * 2010-06-15 2011-12-16 Paroc Oy Ab Lamellihirsirakenne
WO2013053475A1 (de) * 2011-10-11 2013-04-18 Ingenieurbüro Urbanek, Pfankuche Und Partner Sandwich-element mit bereichsweise unterschiedlichen kerneigenschaften, sowie verfahren zu seiner herstellung
DK178622B1 (en) * 2012-09-05 2016-09-12 Saint-Gobain Isover Ab Insulation system for a roof structure
FI20155389A (fi) * 2015-05-26 2016-11-27 Paroc Group Oy Väliseinärakenne ja menetelmä väliseinärakenteen valmistamiseksi
WO2017167634A1 (en) * 2016-03-31 2017-10-05 Rockwool International A/S A panel for mounting in a building structure and a method of manufacturing such panel
IT201700007952A1 (it) * 2017-01-25 2018-07-25 Rexpol Srl Elemento di copertura in lamiera sagomata con materiale fono e termoisolante e resistente al fuoco
NO345690B1 (en) * 2019-06-12 2021-06-14 Frank Cato Lahti Wall-building element system and prefabricated basic wall-building element.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2231530B (en) * 1989-05-04 1992-10-28 Hunter Douglas Ind Bv Sandwich panel core structure
FI86160C (sv) * 1990-09-04 1993-03-31 Partek Ab Förfarande för tillverkning av sandwichelement bestående av en kärna a v mineralullslameller och ytskikt exempelvis av plåt samt en anordning för utförande av förfarandet
DE4133416C3 (de) * 1991-10-09 1998-06-10 Rockwool Mineralwolle Verfahren zum Herstellen von Formkörpern, insbesondere von Dämmplatten
DE4143387C2 (de) * 1991-10-09 1995-09-28 Rockwool Mineralwolle Verfahren zum Herstellen von Formkörpern, insbesondere von Dämmplatten
DK157492D0 (da) * 1992-12-30 1992-12-30 Ole Brincker Fremgangsmaade ved fremstilling af betonelement samt element fremstillet i henhold dertil og bygning opfoert af saadanne elementer
FI971292A0 (fi) * 1997-03-26 1997-03-26 Paroc Oy Ab Pressning av sandwichelement
SI21807A (sl) * 2004-06-15 2005-12-31 Termo, D.D., Industrija Termicnih Izolacij, Skofja Loka Ojacana gradbena termoizolacijska plosca
DE102005043092A1 (de) * 2004-10-07 2006-04-20 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Dämmstoffelement
DE102005014577A1 (de) * 2005-03-31 2006-10-12 Heraklith Ag Verbundelement
PL1977054T3 (pl) * 2006-01-26 2020-07-27 Rockwool International A/S Element warstwowy

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102008030944A1 (de) 2010-01-07
EP2141303A3 (en) 2016-05-18
PL2141303T3 (pl) 2017-10-31
EP2141303A2 (en) 2010-01-06
SI2141303T1 (sl) 2017-08-31

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