EP0433660A1 - Ceiling element - Google Patents

Ceiling element Download PDF

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Publication number
EP0433660A1
EP0433660A1 EP90121889A EP90121889A EP0433660A1 EP 0433660 A1 EP0433660 A1 EP 0433660A1 EP 90121889 A EP90121889 A EP 90121889A EP 90121889 A EP90121889 A EP 90121889A EP 0433660 A1 EP0433660 A1 EP 0433660A1
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EP
European Patent Office
Prior art keywords
ceiling element
element according
ceiling
plates
shaped
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.)
Withdrawn
Application number
EP90121889A
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German (de)
French (fr)
Inventor
Hans Bächle
Helmut Wörner
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.)
Odenwald Faserplattenwerk GmbH
Original Assignee
Odenwald Faserplattenwerk GmbH
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Filing date
Publication date
Application filed by Odenwald Faserplattenwerk GmbH filed Critical Odenwald Faserplattenwerk GmbH
Publication of EP0433660A1 publication Critical patent/EP0433660A1/en
Withdrawn legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
    • E04B9/065—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members comprising supporting beams having a folded cross-section
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/001—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by provisions for heat or sound insulation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/0421—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like comprising ducts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/30—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall

Definitions

  • the invention relates to a ceiling element for a fire protection false ceiling, which contains flame-retardant or non-combustible material according to DIN 4102, in particular mineral fiber material in plate form.
  • Ceiling elements of the type mentioned have been known for a long time and are used for the production of false ceilings which separate a ceiling cavity and the living area from each other in terms of fire.
  • the known, plate-shaped ceiling elements are not self-supporting and are placed on the wall side on fireproof strips with rectangular or angular cross-section.
  • the known, plate-shaped ceiling elements are supported with the aid of supports which each extend from wall to wall. These beams are preferably profiled in such a way that two adjacent ceiling elements can each be supported on a beam.
  • ceiling elements and beams are always laid together, this being done in a continuous sequence until the entire false ceiling is closed. Problems arise when such non-self-supporting ceiling elements are used when the ceiling cavity is to be made accessible again later. Disassembly and subsequent closing of the ceiling cavity are difficult and usually involve damage to the ceiling elements.
  • the invention is therefore based on the object of providing a self-supporting, easy-to-install and easily removable and re-assemble ceiling element for a fire protection false ceiling which can withstand both a fire attack from above and a fire attack from below as an independent fire protection unit according to DIN 4102 and has good fire protection values.
  • the invention provides that at least two plates made of the flame-retardant or non-combustible material are provided and at least one reinforcing insert which is tubular in cross section is embedded.
  • the ceiling element Due to the use of at least two panels, the ceiling element has a sandwich construction, which naturally has a higher inherent rigidity than single-shell elements.
  • the additional use of reinforcing tubular inserts increases its strength to such an extent that it is inherently stable and self-supporting and the use of separately installable supports can be completely dispensed with.
  • the ceiling element therefore extends from wall to wall when installed in a hallway or when laying on support profiles from profile to profile and only lies with its ends on wall strips of rectangular or angular cross section on or on legs or support flanges of the support profiles .
  • the ceiling element preferably consists of four plate-shaped, interwoven layers of mineral fiber.
  • two tubes are expediently arranged as a reinforcing insert between large-area outer plates and strip-shaped inner plates and strip-shaped edge plates.
  • This ceiling element is also self-supporting, has high inherent rigidity and good fire resistance values.
  • the strip-shaped inner plates are made of a different material, e.g. from a foamed plastic or from mineral fiber or rock wool.
  • a ceiling element 1 according to FIGS. 1 and 2 for a fire protection false ceiling comprises at least two plates 2 and 3 made of a flame-retardant or non-combustible material and at least one reinforcing insert 4 or 5 with a cross-section.
  • there are two Pipes 4, 5 are provided as reinforcing insert and are arranged at a distance from one another and at a distance from the top 6, the bottom 7 and the parallel edges 8, 9 of the ceiling element 1.
  • the two tubes 4, 5 are located between two large-area, outer plates 2, 3 and strip-shaped inner plates 10 and 11 or strip-shaped edge plates 12, 13.
  • Both the outer plates 2 and 3 as well as the inner plates 10 and 11 and the strip-shaped edge plates 12 and 13 advantageously have the same material thickness and are only cut to the required width. However, these dimensions are not absolutely necessary.
  • the height of the tubular reinforcement inserts 4 and 5 is preferably equal to twice the material thickness of the plates. Other dimensions can also be selected here.
  • the reinforcing inserts 4, 5 preferably have a rectangular or square cross section and are embedded in a form-fitting manner in the plates 2, 3 and 10, 11 and 12, 13. Furthermore, all of the plates are glued together with the tubular reinforcement inserts 4, 5 with the aid of inorganic adhesive, preferably based on silicate, and thereby result in a unit which is stable in itself.
  • the lateral edges 8, 9 of the ceiling element 1 are preferably flat. They are cut with sharp edges and exactly at an angle of 90 °. The ceiling elements 1 can therefore be laid flush against each other.
  • the two lateral edge areas 14, 15 of the ceiling element 1 according to FIGS. 1 and 2 can each have a recess 16 with an L-shaped cross section, in each of which there is one when the temperature rises, their volume increasing fire protection compound, for example in the form of an L-shaped fire protection strip 17 in cross section.
  • the L-shaped fire protection strips 17 reach parallel to the plates into the interior of the edges 8, 9 or the edge regions 14, 15, while their other legs 19 abut one another and thus the two engage with theirs Seal edges 8, 9 touching ceiling elements 1 in the event of a fire and thereby prevent a temperature passage to a high degree.
  • a single fire protection strip 17-17 with a T-shaped cross section can also be used, which also has legs 18 like that has two L-shaped fire protection strips 17 in cross section, but in which the two legs 19 are combined to form a single web.
  • the two Figures 3 and 4 show a further, modified embodiment of ceiling elements 21 and 22.
  • These two ceiling elements also consist of outer plates 2 and 3 and inner plates 10, 11 and edge plates 12 and 13, between which the tubular reinforcement inserts 4, 5 are arranged are.
  • An essential difference from the ceiling element according to FIGS. 1 and 2 is that the two ceiling elements 21 and 22 are laid overlapping and, in addition, a fold 27, 28 or heel or step on their longitudinal edges 23 and 24 or 25 and 26 exhibit. This prevents the formation of a parting line 20 according to FIG. 2, with the result that the possible use of fire protection compound in the form of fire protection strips or strips or flat strips which increases their volume when the temperature rises is not necessary, as in the second exemplary embodiment. Due to the fold 27 and 28, the two ceiling elements 21, 22 engage positively on their longitudinal edges and also prevent the passage of heat or flames in the event of a fire.
  • the support and fastening of the front flat ceiling elements 1 and 21, 22 in the region of a wall 30 is carried out according to FIG. 5 with the aid of a load-bearing, fire-resistant, L-shaped cross-section ledge 31, which with its one leg 32 is the ceiling element 1, 21 or 22.
  • a load-bearing, fire-resistant, L-shaped cross-section ledge 31 which with its one leg 32 is the ceiling element 1, 21 or 22.
  • a fire-resistant fire protection strip 34 which is screwed onto the wall 30 and is largely rectangular in cross section, serves as a support for the ceiling element 1 or 21, 22.
  • a protective strip 33 On the top of the ceiling element there is again a protective strip 33 as in the embodiment according to FIG. 5 intended.
  • a fire protection strip 34 also supports the ceiling element (s) 1, 21, 22 and a strip 35 made of rock wool, which is rectangular in cross section, seals the ceiling elements 1, 21, 22 on their upper side towards the wall 30.
  • the ceiling elements 21, 22 having a fold 27 or 28 have a smooth, flat edge 37 on the wall side. No fold 27 or 28 is therefore provided on the wall side.
  • an angle strip 31 serves as a support for the ceiling element or elements 1, 21, 22 and a strip 35 of stone wool with a rectangular cross section seals the ceiling elements 1, 21, 22 on their upper side towards the wall 30.
  • FIG. 9 shows a support profile 40 with two ceiling elements 1, 21 and 22 lying laterally on legs or supporting flanges 41.
  • the carrier profile 40 has a plate-shaped strip 42 on the bottom made of a flame-retardant and / or fire-resistant, non-combustible material which is also suitable for the plates 2, 3 of the ceiling elements 1, 21 and 22 is used.
  • mineral wool or rock wool 43 is arranged in such a high stratification above the plate-shaped strip 42 that the same level of protection is achieved as with the ceiling elements 1, 21 and 22.
  • hangers 44 are used for the direct attachment of the box-shaped support profile 40 to a ceiling.

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

Abstract

The invention relates to a ceiling element for a fire-resisting false ceiling, which contains hardly flammable or non-combustible material, in particular mineral fibre material, in slab form. At least two slabs (2, 3) are provided and at least one strengthening insert (4, 5) of tubular cross-section is embedded. <IMAGE>

Description

Die Erfindung betrifft ein Deckenelement für eine Brand­schutz-Zwischendecke, das schwer entflammbaren oder nicht­brennbaren Werkstoff nach DIN 4102, insbesondere Mineral­faserwerkstoff in Plattenform enthält.The invention relates to a ceiling element for a fire protection false ceiling, which contains flame-retardant or non-combustible material according to DIN 4102, in particular mineral fiber material in plate form.

Deckenelemente der genannten Art sind seit langem bekannt und dienen zur Herstellung von Zwischendecken, die einen Deckenhohlraum und die Aufenthaltszone brandtechnisch von einander trennen. Die bekannten, plattenförmigen Deckenele­mente sind nicht selbsttragend und werden wandseitig auf feuerfeste im Querschnitt rechteckige oder winkelförmige Leisten aufgelegt. Im übrigen erfolgt die Abstützung der bekannten, plattenförmigen Deckenelemente mit Hilfe von Trägern, die sich jeweils von Wand zu Wand erstrecken. Die­se Träger sind dabei vorzugsweise derart profiliert, daß sich jeweils zwei benachbarte Deckenelemente auf einem Trä­ger abstützen können. Beim Einbau einer solchen Brand­schutz-Zwischendecke werden daher immer Deckenelemente und Träger gemeinsam verlegt, wobei dies in kontinuierlicher Reihenfolge solange geschieht, bis die gesamte Zwischen­decke geschlossen ist. Probleme treten bei der Verwendung derartiger, nicht selbsttragender Deckenelemente jeweils dann auf, wenn der Deckenhohlraum nachträglich wieder zugänglich gemacht wer­den soll. Die Demontage und das nachträgliche Verschließen des Deckenhohlraumes sind schwierig und in der Regel mit der Beschädigung von Deckenelementen verbunden.Ceiling elements of the type mentioned have been known for a long time and are used for the production of false ceilings which separate a ceiling cavity and the living area from each other in terms of fire. The known, plate-shaped ceiling elements are not self-supporting and are placed on the wall side on fireproof strips with rectangular or angular cross-section. In addition, the known, plate-shaped ceiling elements are supported with the aid of supports which each extend from wall to wall. These beams are preferably profiled in such a way that two adjacent ceiling elements can each be supported on a beam. When installing such a fire protection false ceiling, ceiling elements and beams are always laid together, this being done in a continuous sequence until the entire false ceiling is closed. Problems arise when such non-self-supporting ceiling elements are used when the ceiling cavity is to be made accessible again later. Disassembly and subsequent closing of the ceiling cavity are difficult and usually involve damage to the ceiling elements.

Der Erfindung liegt daher die Aufgabe zugrunde, ein selbst­tragendes, leicht einzubauendes sowie leicht demontierbares und ohne Beschädigung wieder montierbares Deckenelement für eine Brandschutz-Zwischendecke zu schaffen, das sowohl ei­nem Brandangriff von oben als auch einem Brandangriff von unten als selbständige Brandschutzeinheit nach DIN 4102 widerstehen kann und gute Brandschutzwerte besitzt.The invention is therefore based on the object of providing a self-supporting, easy-to-install and easily removable and re-assemble ceiling element for a fire protection false ceiling which can withstand both a fire attack from above and a fire attack from below as an independent fire protection unit according to DIN 4102 and has good fire protection values.

Zur Lösung dieser Aufgabe sieht die Erfindung vor, daß min­destens zwei Platten aus dem schwer entflammbaren oder nichtbrennbaren Werkstoff vorgesehen sind und mindestens eine im Querschnitt rohrförmige Verstärkungseinlage einge­bettet ist.To achieve this object, the invention provides that at least two plates made of the flame-retardant or non-combustible material are provided and at least one reinforcing insert which is tubular in cross section is embedded.

Durch die Verwendung von mindestens zwei Platten besitzt das Deckenelement Sandwich-Bauweise, die von Natur aus ei­ne höhere Eigensteifigkeit besitzt als einschalige Elemen­te. Die zusätzliche Verwendung von zur Verstärkung dienen­den, rohrförmigen Einlagen erhöht seine Festigkeit soweit, daß es eigenstabil und selbsttragend ist und auf die Ver­wendung gesondert verlegbarer Träger völlig verzichtet werden kann. Das Deckenelement erstreckt sich daher beim Einbau in einen Flur von Wand zu Wand bzw. bei der Verle­gung auf Trägerprofilen jeweils von Profil zu Profil und liegt jeweils nur mit seinen Enden auf im Querschnitt rechteckigen oder winkelförmigen Wandleisten auf bzw. auf Schenkeln oder Trageflanschen der Trägerprofile auf.Due to the use of at least two panels, the ceiling element has a sandwich construction, which naturally has a higher inherent rigidity than single-shell elements. The additional use of reinforcing tubular inserts increases its strength to such an extent that it is inherently stable and self-supporting and the use of separately installable supports can be completely dispensed with. The ceiling element therefore extends from wall to wall when installed in a hallway or when laying on support profiles from profile to profile and only lies with its ends on wall strips of rectangular or angular cross section on or on legs or support flanges of the support profiles .

Vorzugsweise besteht das Deckenelement aus vier platten­förmigen, miteinander verklebten Mlneralfaserlagen. In die­sem Fall ist ferner vorgesehen, daß zweckmäßigerweise zwei Rohre als Verstärkungseinlage zwischen großflächigen Außen­platten und streifenförmigen Innenplatten sowie streifen­förmigen Randplatten angeordnet sind. Dieses Deckenelement ist ebenfalls selbsttragend, besitzt eine hohe Eigenstei­figkeit und gute Brandwiderstandswerte. Dies ist auch dann der Fall, wenn die streifenförmigen Innenplatten aus einem anderen Werkstoff bestehen wie z.B. aus einem geschäumten Kunststoff oder aus Mineralfaser- oder Steinwolle.The ceiling element preferably consists of four plate-shaped, interwoven layers of mineral fiber. In this case it is further provided that two tubes are expediently arranged as a reinforcing insert between large-area outer plates and strip-shaped inner plates and strip-shaped edge plates. This ceiling element is also self-supporting, has high inherent rigidity and good fire resistance values. This is also the case if the strip-shaped inner plates are made of a different material, e.g. from a foamed plastic or from mineral fiber or rock wool.

Weitere Merkmale der Erfindung gehen aus Unteransprüchen im Zusammenhang mit der Zeichnung und der Beschreibung her­vor.Further features of the invention emerge from dependent claims in connection with the drawing and the description.

Die Erfindung wird nachstehend anhand von Ausführungsbei­spielen, die in der Zeichnung dargestellt sind, näher be­schrieben. Dabei zeigen:

  • Fig. 1: eine Stirnansicht eines Deckenelementes;
  • Fig. 2: in größerem Maßstab sowie abgebrochen den An­schluß von zwei Deckenelementen gemäß Fig. 1;
  • Fig. 3: eine Stirnansicht eines abgewandelten Decken­elementes für eine überlappende Verlegung;
  • Fig. 4: eine Stirnansicht eines Deckenelementes, das zusammen mit dem Deckenelement gemäß Fig. 3 verlegbar ist;
  • Fig. 5: eine prinzipmäßige Stirnansicht eines ersten Wandanschlusses für die Deckenelemente gemäß den Figuren 1 bis 3;
  • Fig. 6: eine prinzipmäßige Stirnansicht eines abge­wandelten Wandanschlusses;
  • Fig. 7: eine prinzipmäßige Stirnansicht eines dritten Wandanschlusses;
  • Fig. 8: eine prinzipmäßige Stirnansicht eines vierten Wandanschlusses und
  • Fig. 9: eine prinzipmäßige Ansicht eines Trägerpro­files mit beidseitig aufliegenden Deckenele­menten.
The invention is described below with reference to exemplary embodiments which are illustrated in the drawing. Show:
  • 1: an end view of a ceiling element;
  • Fig. 2: on a larger scale and broken off the connection of two ceiling elements according to Fig. 1;
  • 3: an end view of a modified ceiling element for overlapping laying;
  • FIG. 4: an end view of a ceiling element which can be laid together with the ceiling element according to FIG. 3;
  • 5: a principal end view of a first wall connection for the ceiling elements according to FIGS. 1 to 3;
  • 6: a principal end view of a modified wall connection;
  • 7: a principal end view of a third wall connection;
  • 8: a basic front view of a fourth wall connection and
  • Fig. 9: a basic view of a support profile with ceiling elements lying on both sides.

Ein Deckenelement 1 gemäß den Figuren 1 und 2 für eine Brandschutz-Zwischendecke umfaßt mindestens zwei Platten 2 und 3 aus einem schwer entflammbaren oder nichtbrennbaren Werkstoff sowie mindestens eine im Querschnitt rohrförmige Verstärkungseinlage 4 bzw. 5. Bei dem in Fig. 1 dargestell­ten Ausführungsbeispiel sind zwei Rohre 4, 5 als Verstär­kungseinlage vorgesehen und im Abstand voneinander sowie mit Abstand zur Oberseite 6, zur Unterseite 7 und zu den parallel verlaufenden Rändern 8, 9 des Deckenelementes 1 angeordnet. Dabei befinden sich die zwei Rohre 4, 5 zwi­schen zwei großflächigen, außenliegenden Platten 2, 3 und streifenförmigen Innenplatten 10 und 11 bzw. streifenförmi­gen Randplatten 12, 13.A ceiling element 1 according to FIGS. 1 and 2 for a fire protection false ceiling comprises at least two plates 2 and 3 made of a flame-retardant or non-combustible material and at least one reinforcing insert 4 or 5 with a cross-section. In the embodiment shown in FIG. 1 there are two Pipes 4, 5 are provided as reinforcing insert and are arranged at a distance from one another and at a distance from the top 6, the bottom 7 and the parallel edges 8, 9 of the ceiling element 1. The two tubes 4, 5 are located between two large-area, outer plates 2, 3 and strip-shaped inner plates 10 and 11 or strip-shaped edge plates 12, 13.

Sowohl die außenliegenden Platten 2 und 3 als auch die In­nenplatten 10 und 11 und die streifenförmigen Randplatten 12 und 13 besitzen zweckmäßigerweise dieselbe Materialstär­ke und sind lediglich auf die jeweils erforderliche Breite zurechtgeschnitten. Zwingend notwendig sind diese Abmessun­gen allerdings nicht. Die Höhe der rohrförmigen Verstär­kungseinlagen 4 und 5 ist vorzugsweise gleich der doppelten Materialstärke der Platten. Auch hier können andere Abmes­sungen gewählt werden.Both the outer plates 2 and 3 as well as the inner plates 10 and 11 and the strip-shaped edge plates 12 and 13 advantageously have the same material thickness and are only cut to the required width. However, these dimensions are not absolutely necessary. The height of the tubular reinforcement inserts 4 and 5 is preferably equal to twice the material thickness of the plates. Other dimensions can also be selected here.

Die Verstärkungseinlagen 4, 5 besitzen vorzugsweise einen rechteckigen bzw. quadratischen Querschnitt und sind form­schlüssig in die Platten 2, 3 und 10, 11 sowie 12, 13 ein­gebettet. Ferner sind alle Platten zusammen mit den rohr­förmigen Verstärkungseinlagen 4, 5 mit Hilfe von anorga­nischem Kleber, vorzugsweise auf Silikatbasis, zusammenge­klebt und ergeben dadurch eine in sich stabile Einheit.The reinforcing inserts 4, 5 preferably have a rectangular or square cross section and are embedded in a form-fitting manner in the plates 2, 3 and 10, 11 and 12, 13. Furthermore, all of the plates are glued together with the tubular reinforcement inserts 4, 5 with the aid of inorganic adhesive, preferably based on silicate, and thereby result in a unit which is stable in itself.

Die seitlichen Ränder 8, 9 des Deckenelementes 1 sind vor­zugsweise eben. Sie werden scharfkantig sowie exakt unter einem Winkel von 90° geschnitten. Die Deckenelemente 1 lassen sich daher stumpf aneinander anschließend verlegen.The lateral edges 8, 9 of the ceiling element 1 are preferably flat. They are cut with sharp edges and exactly at an angle of 90 °. The ceiling elements 1 can therefore be laid flush against each other.

Um an den Rändern 8, 9 eine gute Abdichtung in noch höherem Maße zu erzielen, können die beiden seitlichen Randbereiche 14, 15 des Deckenelementes 1 gemäß den Figuren 1 und 2 je eine im Querschnitt L-förmige Ausnehmung 16 aufweisen, in der sich je eine bei Temperaturerhöhung ihr Volumen ver­größernde Brandschutzmasse z.B. in Form eines im Quer­schnitt L-förmigen Brandschutzstreifens 17 befindet. Mit jeweils einem Schenkel 18 greifen die im Querschnitt L-­förmigen Brandschutzstreifen 17 parallel zu den Platten in das Innere der Ränder 8, 9 bzw. der Randbereiche 14, 15, während sie mit ihrem anderen Schenkel 19 aneinander anlie­gen und somit die zwei sich mit ihren Rändern 8, 9 berüh­renden Deckenelemente 1 im Brandfalle abdichten und dadurch einen Temperaturdurchgang in hohem Maße verhindern.In order to achieve a good seal at the edges 8, 9 to an even greater extent, the two lateral edge areas 14, 15 of the ceiling element 1 according to FIGS. 1 and 2 can each have a recess 16 with an L-shaped cross section, in each of which there is one when the temperature rises, their volume increasing fire protection compound, for example in the form of an L-shaped fire protection strip 17 in cross section. With one leg 18 each, the L-shaped fire protection strips 17 reach parallel to the plates into the interior of the edges 8, 9 or the edge regions 14, 15, while their other legs 19 abut one another and thus the two engage with theirs Seal edges 8, 9 touching ceiling elements 1 in the event of a fire and thereby prevent a temperature passage to a high degree.

Anstelle von zwei L-förmigen Brandschutzstreifen kann auch ein einziger, im Querschnitt T-förmiger Brandschutzstreifen 17-17 benutzt werden, der ebenfalls Schenkel 18 wie die beiden im Querschnitt L-förmigen Brandschutzstreifen 17 aufweist, bei dem jedoch die beiden Schenkel 19 zu einem einzigen Steg vereinigt sind.Instead of two L-shaped fire protection strips, a single fire protection strip 17-17 with a T-shaped cross section can also be used, which also has legs 18 like that has two L-shaped fire protection strips 17 in cross section, but in which the two legs 19 are combined to form a single web.

Schließlich ist es auch möglich, in die Ausnehmung 16 oder in eine modifizierte Ausnehmung einen Flachstreifen als Brandschutzstreifen einzulegen, um eine hohe Abdichtung im Brandfall zu erzielen.Finally, it is also possible to insert a flat strip as a fire protection strip into the recess 16 or into a modified recess in order to achieve a high seal in the event of a fire.

Die beiden Figuren 3 und 4 zeigen eine weitere, abgewandel­te Ausführungsform von Deckenelementen 21 und 22. Diese beiden Deckenelemente bestehen ebenfalls aus außenliegenden Platten 2 und 3 und Innenplatten 10, 11 sowie aus Rand­platten 12 und 13, zwischen denen die rohrförmigen Ver­stärkungseinlagen 4, 5 angeordnet sind. Ein wesentlicher Unterschied zu dem Deckenelement gemäß den Figuren 1 und 2 besteht insofern, als die beiden Deckenelemente 21 und 22 überlappend verlegt werden und dazu an ihren Längsrän­dern 23 und 24 bzw. 25 und 26 je einen Falz 27, 28 oder Absatz bzw. eine Stufe aufweisen. Hierdurch wird die Bil­dung einer Trennfuge 20 gemäß Fig. 2 verhindert mit der Folge, daß die mögliche Verwendung von bei Temperaturer­höhung ihr Volumen vergrößernder Brandschutzmasse in Form von Brandschutzstreifen oder von Leisten bzw. von Flach­streifen wie bei dem zweiten Ausführungsbeispiel nicht erforderlich ist. Durch den Falz 27 bzw. 28 hintergreifen sich die beiden Deckenelemente 21, 22 an ihren Längsrändern formschlüssig und verhindern auch dadurch im Brandfall den Durchtritt von Wärme bzw. von Flammen.The two Figures 3 and 4 show a further, modified embodiment of ceiling elements 21 and 22. These two ceiling elements also consist of outer plates 2 and 3 and inner plates 10, 11 and edge plates 12 and 13, between which the tubular reinforcement inserts 4, 5 are arranged are. An essential difference from the ceiling element according to FIGS. 1 and 2 is that the two ceiling elements 21 and 22 are laid overlapping and, in addition, a fold 27, 28 or heel or step on their longitudinal edges 23 and 24 or 25 and 26 exhibit. This prevents the formation of a parting line 20 according to FIG. 2, with the result that the possible use of fire protection compound in the form of fire protection strips or strips or flat strips which increases their volume when the temperature rises is not necessary, as in the second exemplary embodiment. Due to the fold 27 and 28, the two ceiling elements 21, 22 engage positively on their longitudinal edges and also prevent the passage of heat or flames in the event of a fire.

Die Abstützung und Befestigung der stirnseitig ebenen Deckenelemente 1 bzw. 21, 22 im Bereich einer Wand 30 er­folgt gemäß Fig. 5 mit Hilfe einer tragenden, feuerbestän­digen, im Querschnitt L-förmigen Winkelleiste 31, die mit ihrem einen Schenkel 32 das Deckenelement 1, 21 bzw. 22 untergreift. Oben auf dem Deckenelement 1, 21, 22 ist wandseitig ein z.B. aus Mineralfasern bestehender Schutz­streifen 33 angeordnet und verhindert hier den Durchtritt von Wärme oder Flammen zwischen Wand 30 und Deckenelement 1 bzw. 21, 22.The support and fastening of the front flat ceiling elements 1 and 21, 22 in the region of a wall 30 is carried out according to FIG. 5 with the aid of a load-bearing, fire-resistant, L-shaped cross-section ledge 31, which with its one leg 32 is the ceiling element 1, 21 or 22. On top of the ceiling element 1, 21, 22 there is a e.g. Protective strips 33 made of mineral fibers are arranged and prevent the passage of heat or flames between wall 30 and ceiling element 1 or 21, 22.

Gemäß Fig. 6 dient eine feuerbeständige, an die Wand 30 an­geschraubte, im Querschnitt weitgehend rechteckige Brand­schutzleiste 34 als Träger für das Deckenelement 1 bzw. 21, 22. Auf der Oberseite des Deckenelementes ist wiederum ein Schutzstreifen 33 wie bei der Ausführungsform gemäß Fig. 5 vorgesehen.6, a fire-resistant fire protection strip 34, which is screwed onto the wall 30 and is largely rectangular in cross section, serves as a support for the ceiling element 1 or 21, 22. On the top of the ceiling element there is again a protective strip 33 as in the embodiment according to FIG. 5 intended.

Gemäß Fig. 7 trägt auch eine Brandschutzleiste 34 das bzw. die Deckenelemente 1, 21, 22 und ein aus Steinwolle beste­hender, im Querschnitt rechteckiger Streifen 35 dichtet die Deckenelemente 1, 21, 22 an ihrer Oberseite zur Wand 30 hin ab.According to FIG. 7, a fire protection strip 34 also supports the ceiling element (s) 1, 21, 22 and a strip 35 made of rock wool, which is rectangular in cross section, seals the ceiling elements 1, 21, 22 on their upper side towards the wall 30.

Um einen einwandfreien Anschluß an die Wand 30 zu erzielen, versteht es sich, daß die einen Falz 27 bzw. 28 aufweisen­den Deckenelemente 21, 22 wandseitig einen glatten, ebenen Rand 37 erhalten. Wandseitig ist daher kein Falz 27 bzw. 28 vorgesehen.In order to achieve a perfect connection to the wall 30, it goes without saying that the ceiling elements 21, 22 having a fold 27 or 28 have a smooth, flat edge 37 on the wall side. No fold 27 or 28 is therefore provided on the wall side.

Gemäß Fig. 8 dient eine Winkelleiste 31 als Träger für das bzw. die Deckenelemente 1, 21, 22 und ein im Querschnitt rechteckiger Streifen 35 aus Steinwolle dichtet die Decken­elemente 1, 21, 22 an ihrer Oberseite zur Wand 30 hin ab.According to FIG. 8, an angle strip 31 serves as a support for the ceiling element or elements 1, 21, 22 and a strip 35 of stone wool with a rectangular cross section seals the ceiling elements 1, 21, 22 on their upper side towards the wall 30.

Die Fig. 9 zeigt schließlich noch ein Trägerprofil 40 mit zwei auf Schenkein bzw. Tragflanschen 41 seitlich auflie­genden Deckenelementen 1, 21 bzw. 22.Finally, FIG. 9 shows a support profile 40 with two ceiling elements 1, 21 and 22 lying laterally on legs or supporting flanges 41.

Das Trägerprofil 40 weist zur Erzielung einer gleich guten Wärmedämmung und eines gleich guten Feuerschutzes wie bei den Deckenelementen 1, 21 und 22 bodenseitig einen platten­förmigen Streifen 42 aus einem schwer entflammbaren und/­oder feuerbeständigen, nicht brennbaren Werkstoff auf, der auch für die Platten 2, 3 der Deckenelemente 1, 21 bzw. 22 Verwendung findet. Zusätzlich ist ferner Mineralwolle bzw. Steinwolle 43 in derart hoher Schichtung über dem platten­förmigen Streifen 42 angeordnet, daß ein gleich guter Schutz erreicht wird wie mit den Deckenelementen 1, 21 bzw. 22.In order to achieve the same good insulation and fire protection as the ceiling elements 1, 21 and 22, the carrier profile 40 has a plate-shaped strip 42 on the bottom made of a flame-retardant and / or fire-resistant, non-combustible material which is also suitable for the plates 2, 3 of the ceiling elements 1, 21 and 22 is used. In addition, mineral wool or rock wool 43 is arranged in such a high stratification above the plate-shaped strip 42 that the same level of protection is achieved as with the ceiling elements 1, 21 and 22.

Mehrere Abhänger 44 dienen zur unmittelbaren Befestigung des kastenförmigen Trägerprofiles 40 an einer Decke.Several hangers 44 are used for the direct attachment of the box-shaped support profile 40 to a ceiling.

Claims (15)

1. Deckenelement für eine Brandschutz-Zwischendecke, das schwer entflammbaren oder nichtbrennbaren Werkstoff, insbesondere Mineralfaserwerkstoff in Plattenform enthält, dadurch gekennzeichnet, daß mindestens zwei Platten (2, 3) vorgesehen sind und daß mindestens eine im Querschnitt rohrförmige Verstärkungseinlage (4, 5) eingebettet ist.1. Ceiling element for a fire protection false ceiling, which contains flame-retardant or non-combustible material, in particular mineral fiber material in plate form, characterized in that at least two plates (2, 3) are provided and that at least one reinforcing insert (4, 5) with a cross-section is embedded is. 2. Deckenelement nach Anspruch 1, dadurch gekennzeichnet, daß die Platten (2, 3) flächig aufeinander anngeordnet sind und daß die Verstärkungseinlage (4, 5) formschlüs­sig eingebettet ist.2. Ceiling element according to claim 1, characterized in that the plates (2, 3) are arranged flat on one another and that the reinforcing insert (4, 5) is embedded in a form-fitting manner. 3. Deckenelement nach Anspruch 1, dadurch gekennzeichnet, daß zwei Rohre (4, 5) als Verstärkungseinlage vorgese­hen sind und im Abstand voneinander sowie mit Abstand zur Oberseite (6), zur Unterseite (7) und zu den par­allel verlaufenden Rändern (8, 9) des Deckenelementes (1, 21, 22) angeordnet sind.3. Ceiling element according to claim 1, characterized in that two tubes (4, 5) are provided as reinforcing insert and at a distance from one another and at a distance from the top (6), the bottom (7) and the parallel edges (8, 9 ) of the ceiling element (1, 21, 22) are arranged. 4. Deckenelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Rohr (4, 5) ein Recht­eckprofil besitzt.4. Ceiling element according to one of the preceding claims, characterized in that the tube (4, 5) has a rectangular profile. 5. Deckenelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die zwei Rohre (4, 5) zwi­schen großflächigen, außenliegenden Platten (2, 3) und streifenförmigen Innenplatten (10, 11) sowie streifen­förmigen Randplatten (12, 13) angeordnet sind.5. Ceiling element according to one of the preceding claims, characterized in that the two tubes (4, 5) between large-area, outer plates (2, 3) and strip-shaped inner plates (10, 11) and strip-shaped edge plates (12, 13) are arranged. 6. Deckenelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß randseitig je eine im Quer­schnitt L-förmige Ausnehmung (16) und in der Ausnehmung (16) je bei Temperaturerhöhung ihr Volumen vergrößernde Brandschutzmasse in Form eines im Querschnitt L-förmi­gen Brandschutzstreifens (17) angeordnet sind.6. Ceiling element according to one of the preceding claims, characterized in that on the edge side a cross-sectionally L-shaped recess (16) and in the recess (16) depending on the temperature increase their volume increasing fire protection compound in the form of a cross-sectionally L-shaped fire protection strip (17th ) are arranged. 7. Deckenelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Brandschutzstreifen (17-17) im Querschnitt T-förmig ist.7. Ceiling element according to one of the preceding claims, characterized in that the fire protection strip (17-17) is T-shaped in cross section. 8. Deckenelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Brandschutzstreifen (17′) ein Flachstreifen ist.8. Ceiling element according to one of the preceding claims, characterized in that the fire protection strip (17 ') is a flat strip. 9. Deckenelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß randseitig je ein Falz (27, 28) vorgesehen ist.9. Ceiling element according to one of the preceding claims, characterized in that a fold (27, 28) is provided on the edge side. 10. Deckenelement nach einem der vorhergehenden Ansprüche, gekennzeichnet durch vier plattenförmige, miteinander verklebte Mineralfaserlagen.10. Ceiling element according to one of the preceding claims, characterized by four plate-shaped mineral fiber layers glued together. 11. Deckenelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet,daß die Platten Calcium-Silikat-­Platten sind.11. Ceiling element according to one of the preceding claims, characterized in that the plates are calcium silicate plates. 12. Deckenelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß als Werkstoff ein Schaum­stoff anorganischer Art vorgesehen ist.12. Ceiling element according to one of the preceding claims, characterized in that an inorganic type foam is provided as the material. 13. Deckenelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß künstliche Mineralfasern als Werkstoff vorgesehen sind.13. Ceiling element according to one of the preceding claims, characterized in that artificial mineral fibers are provided as the material. 14. Deckenelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß als Werkstoff synthetische, hochtemperaturbeständige Kunststoff-Fasern vorgesehen sind.14. Ceiling element according to one of the preceding claims, characterized in that synthetic, high temperature-resistant plastic fibers are provided as the material. 15. Deckenelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die aneinanderstoßenden Ränder (8, 9) benachbarter Deckenelemente (1) eben sind.15. Ceiling element according to one of the preceding claims, characterized in that the abutting edges (8, 9) of adjacent ceiling elements (1) are flat.
EP90121889A 1989-11-18 1990-11-15 Ceiling element Withdrawn EP0433660A1 (en)

Applications Claiming Priority (2)

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DE3938398 1989-11-18
DE19893938398 DE3938398A1 (en) 1989-11-18 1989-11-18 CEILING ELEMENT

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