EP0219792B1 - Elément porteur et isolant thermique - Google Patents

Elément porteur et isolant thermique Download PDF

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Publication number
EP0219792B1
EP0219792B1 EP86114165A EP86114165A EP0219792B1 EP 0219792 B1 EP0219792 B1 EP 0219792B1 EP 86114165 A EP86114165 A EP 86114165A EP 86114165 A EP86114165 A EP 86114165A EP 0219792 B1 EP0219792 B1 EP 0219792B1
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EP
European Patent Office
Prior art keywords
construction element
cover
element according
webs
web
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
EP86114165A
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German (de)
English (en)
Other versions
EP0219792A2 (fr
EP0219792B2 (fr
EP0219792A3 (en
Inventor
Reto Martinelli
Karl Menti
Samuel Hardmeier
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.)
Stahlton AG
Original Assignee
Stahlton AG
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Publication date
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Application filed by Stahlton AG filed Critical Stahlton AG
Priority to AT86114165T priority Critical patent/ATE63591T1/de
Publication of EP0219792A2 publication Critical patent/EP0219792A2/fr
Publication of EP0219792A3 publication Critical patent/EP0219792A3/de
Publication of EP0219792B1 publication Critical patent/EP0219792B1/fr
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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
    • 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
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • 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
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B2001/7679—Means preventing cold bridging at the junction of an exterior wall with an interior wall or a floor

Definitions

  • the present invention relates to a heat-insulating, load-bearing component with an elongated expansion and with an essentially rectangular cross-section, each having a load-bearing base and top surface and two side surfaces and intended for installation in walls to reduce the heat flow, the component comprising a core Thermal insulation and supporting elements penetrating this core.
  • a thermal bridge is a local area through which increased heat can flow away within a structure that is well insulated per se.
  • Such weak points have to be avoided by constructive measures.
  • existing standards e.g. Recommendation SIA 180/1, it is accordingly required that thermal bridges be avoided or that these may have to be compensated for by special measures, such as increased thermal insulation and careful connection details (see Art. 4.5 of recommendation SIA 180/1).
  • the mean vertical stresses acting in the base of the wall can be up to 1.2 N / mm 2 from the weight of the possibly multi-storey structure. It must also be ensured that horizontally acting forces, for example due to ground vibrations, wind, etc., can be reliably transmitted.
  • DE-A-30 35 931 discloses a non-load-bearing, thermally insulated component that can be installed as a wall element. However, this could only be loaded centrically and is therefore not suitable for absorbing the wall forces that occur in load-bearing masonry.
  • the purpose of the present invention is now to provide a component for preventing thermal bridges which can be used without having to accept the constructional and financial disadvantages described above.
  • the component is characterized in that the support members have webs between the base and top surfaces which are continuous over the entire length or are arranged with interruptions, the webs Have areas which are arranged on both sides close to the side surfaces, and areas which run transversely to the longitudinal direction of the element, the webs being part of a skeleton which partially covers the core and which is provided for transmitting wall forces between the deck and the base area.
  • the support members are designed in such a way that only a minimal amount of heat, which is no longer significant in relation to the volume of the component, can flow away through their mechanically highly stressable but poorly heat-insulating material.
  • the thermal insulation material which is protected from stress by the skeleton, can thus form an effective barrier to the heat flow.
  • the preferred exemplary embodiment has a band-shaped web that runs back and forth through the core in a zigzag fashion between opposite longitudinal sides of the element.
  • an upper and a lower flange are also provided, which run perpendicular to the web and together with the latter in cross-section the profile of a double-T beam exhibit.
  • Upper and lower chords cover the core surfaces in some areas. This means that it is largely protected against mechanical damage during storage and transport.
  • the skeleton can also have several ribbon-shaped, e.g. have webs which are interlaced or formed only in sections and pass through the core. In this case, at least one or webs and / or web sections is then provided with an upper and / or a lower flange, the upper and lower flange covering regions of mutually opposite surfaces of the core.
  • the skeleton is made of a non-brittle mineral-based material.
  • a mineral fiber composite material is preferably used.
  • such a skeleton has a comparatively large heat transfer rate, the improved load-bearing behavior will be decisive in the case of highly stressed components such as supports or balcony connections.
  • the component according to the invention enables a flawless technical solution with simple means and low costs. It can be used as a load-bearing and heat-insulating component e.g. be bricked up on the basement ceiling as the first layer of the rising masonry. As a result, it lies within the structural strength of the underlay, so that there is no change of material when the interior walls are plastered.
  • the use of the component is by no means limited to the base of the wall, although its advantages are particularly effective there. It can be used wherever excessive heat flow should not only be prevented across the wall, but mainly in the plane of the wall or the component itself.
  • the elements can be bricked in lengths that correspond to the multiple of the brick format as the first layer.
  • recesses are arranged in the cover layers, into which the masonry mortar can penetrate, so that a full contact is guaranteed over the entire length of the element.
  • the same recesses also form an interlocking with the ceiling and masonry.
  • the cross-section and length of the element are matched to the usual brick formats. This enables economical production as standard elements. Furthermore, the elements can easily be cut to the desired length on site. When using a closed-cell thermal insulation material, the absorption of moisture is prevented.
  • Figure 1 shows a cross section through part of a building, 1 the component according to the invention, 2 a basement ceiling, 3 a basement wall, 4 the surrounding soil, 5 the thermal insulation layer on the ceiling, 6 the bottom shell, 7 the outer shell and 8 the inscribed inner shell of the rising masonry.
  • a heat insulation layer 9 is located between the outer and inner shells 7, 8.
  • the component according to the invention is used to interrupt the otherwise existing thermal bridge.
  • the dashed section of the arrows makes it clear at which point the heat flow from the room 10 would be significantly increased without the use of the component 1.
  • FIGS. 2 and 3 show a view of the component 1 according to the invention (FIG. 2) or a view of the same component in which the core 11 has been removed from preferably closed-cell thermal insulation material (FIG. 3).
  • Upper and lower chords 16, 17 serve to ensure that no excessive pressures occur on the connecting surfaces of the masonry that are adjacent to the component.
  • the web is of course designed according to the masonry loads to be removed, but as narrow as possible so that the amount of heat flowing through it can be kept to a minimum.
  • the strips are located on the surfaces of the core covered by the upper and lower chord and are formed in one piece with the upper and lower chord. This creates areas on all sides of the skeleton (apart from the ends of the component) in which the surfaces of the core are not covered. These areas should not be unnecessarily reduced by over-wide top and bottom belts.
  • the web 13 running back and forth between the longitudinal sides of the component has sections 18 which run parallel to the latter in the region near these longitudinal sides. This makes it possible that the upper and lower chord can always protrude from both sides of the web and thus the connection between the upper and lower chord is essentially only under pressure and thus no impermissible bending moments are generated in the web itself. Since the resultant of the wall load often runs eccentrically in the wall, the zigzag-shaped web ensures that the wall load is properly absorbed.
  • Figures 2 and 3 has only one web, it is easily conceivable that for special applications several webs, e.g. are intertwined in a regular sequence. It is also possible to provide webs formed only in sections. It may make sense not to provide all the webs or sections with an upper and / or lower flange, since the same conditions do not exist in the various connecting surfaces or the free areas should not become too small for the interlocking with the masonry.
  • the core of thermal insulation material is kept uncovered by the skeleton over the entire area of a long side of the element.
  • This can also be achieved retrospectively in the case of an existing component in that the longitudinal side mentioned is covered with a strip of thermal insulation material, the corresponding strips 17 (FIG. 2) then also having to be covered by the upper and lower chord.
  • the thickness of the strip is preferably 1 cm.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Thermal Insulation (AREA)
  • Insulated Conductors (AREA)

Claims (11)

1. Elément de construction porteur, thermiquement isolant, allongé et de section essentiellement rectangulaire, qui comporte une surface inférieure et une surface supérieure supportant chacune la charge ainsi que deux surfaces latérales et est destiné à être monté dans une structure de mur pour réduire les transferts thermiques, l'élément de construction comportant un noyau en matériau calorifuge et des organes porteurs traversant ce noyau, qui comprennent des âmes (13) s'étendant essentiellement sur l'ensemble de la longueur ou avec des interruptions entre la surface inférieure et la surface supérieure, caractérisé en ce que les âmes comportent des tronçons (18), qui sont disposés de chaque côté à proximité des faces latérales, ainsi que des tronçons disposés transversalement par rapport à la direction longitudinale de l'élément, les âmes (13) faisant partie d'une structure recouvrant partiellement le noyau (11), et qui est prévue pour transmettre les forces du mur entre la surface supérieure et la surface inférieure.
2. Elément de construction selon la revendication 1, caractérisé en ce qu'il est prévu une âme (13) en forme de bande, s'étendant en zigzag sur toute la longueur entre les faces latérales opposées.
3. Elément de construction selon la revendication 2, caractérisé en ce que l'âme (13) en zigzag est parallèle aux faces latérales, dans les zones (18), dans les zones se rapprochant de celles-ci.
4. Elément de construction selon l'une des revendications précédentes, caractérisé en ce que la structure comporte une ceinture supérieure et une ceinture inférieure (16, 17), qui s'étendent sur la face supérieure et la face inférieure de l'élément.
5. Elément de construction selon la revendication 1, caractérisé en ce que la structure comporte chaque fois deux bords latéraux (19) qui s'étendent de part et d'autre de la surface supérieure et de la surface inférieure et qui couvrent celle-ci.
6. Elément de construction selon les revendications 4 et 5, caractérisé en ce que la ceinture supérieure et la ceinture inférieure (16, 17) sont réalisées d'une pièce avec les bords latéraux (19).
7. Elément de construction selon l'une des revendications précédentes, caractérisé en ce que des cavités (20) sont prévues sur la face inférieure et sur la face supérieure pour le montage en adent de l'élément avec les couches de mortier appliquées sur la surface supérieure et la surface inférieure.
8. Elément de construction selon la revendication 7, caractérisé en ce que les cavités (20) sont formées par des évidements entre les ceintures et les bords (16, 17,19) des organes porteurs des surfaces supérieure et inférieure.
9. Elément de construction selon l'une des revendications précédentes, caractérisé en ce que les âmes (13) sont recouvertes de matériau calorifuge sur les faces latérales de l'élément.
10. Elément de construction selon la revendication 9, caractérisé en ce que toutes les parties (13, 16, 17, 19) des organes porteurs sont recouvertes de matériau calorifuge sur l'une des faces latérales de l'élément.
11. Elément de construction selon l'une des revendications précédentes, caractérisé en ce que les âmes (13) ont une section, qui est étranglée de telle manière que l'épaisseur minimale de l'âme soit située environ à mihauteur de l'âme et augmente en direction de la surface inférieure et de la surface supérieure.
EP86114165A 1985-10-17 1986-10-11 Elément porteur et isolant thermique Expired - Lifetime EP0219792B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86114165T ATE63591T1 (de) 1985-10-17 1986-10-11 Waermedaemmendes, tragendes bauelement.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4509/85 1985-10-17
CH4509/85A CH670853A5 (fr) 1985-10-17 1985-10-17

Publications (4)

Publication Number Publication Date
EP0219792A2 EP0219792A2 (fr) 1987-04-29
EP0219792A3 EP0219792A3 (en) 1987-08-26
EP0219792B1 true EP0219792B1 (fr) 1991-05-15
EP0219792B2 EP0219792B2 (fr) 1995-12-27

Family

ID=4277423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86114165A Expired - Lifetime EP0219792B2 (fr) 1985-10-17 1986-10-11 Elément porteur et isolant thermique

Country Status (4)

Country Link
EP (1) EP0219792B2 (fr)
AT (1) ATE63591T1 (fr)
CH (1) CH670853A5 (fr)
DE (1) DE3679275D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29509131U1 (de) * 1995-02-18 1995-09-21 Max Frank Gmbh & Co Kg, 94339 Leiblfing Isolierstein sowie unter Verwendung solcher Steine hergestellte Mauer

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008010803U1 (de) 2008-08-05 2008-10-09 Mostafa, Kamal, Dr. Wärmedämmender Mauerstein
FR2949129B1 (fr) * 2009-08-14 2014-05-09 Gerard Sekrane Element prefabrique pour la construction de batiments, permettant la suppression des ponts thermiques
SI2405065T1 (sl) * 2010-11-19 2014-08-29 Georg Koch Tlaäśno obremenjen in izoliren vezni element

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH435183A (de) 1963-06-05 1967-05-15 Wuppermann Gmbh Theodor Verfahren und Vorrichtung zur Herstellung profilierter, geschweisster Längsträger, sowie nach dem Verfahren hergestellter Stahlleichtträger
FR2108984A1 (fr) 1970-10-27 1972-05-26 Boutard Claude
DE2432010B2 (de) 1973-07-04 1977-11-03 Kitson's Byalex Ltd., Barking, Essex (Grossbritannien) Waermeisolierter balkenartiger traeger
DE3005571B1 (de) 1980-02-14 1981-06-04 Eberhard 7570 Baden-Baden Schöck Bauelement zur Waermedaemmung bei Gebaeuden
DE3035931A1 (de) 1980-09-24 1982-04-08 Karl Heinz Vahlbrauk Wandelement fuer gebaeude
DE3247039A1 (de) 1982-12-18 1984-06-20 Günther Dipl.-Ing. 6901 Wiesenbach Koch Verbundsystem zur bildung von bauelementen
EP0133875A1 (fr) 1983-08-03 1985-03-13 Eberhard Schöck Elément de construction isolant thermique pour bâtiments

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2501723A1 (de) * 1975-01-17 1976-07-22 Georg Haubner Isolierstofformsteine fuer betondeckenauflage

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH435183A (de) 1963-06-05 1967-05-15 Wuppermann Gmbh Theodor Verfahren und Vorrichtung zur Herstellung profilierter, geschweisster Längsträger, sowie nach dem Verfahren hergestellter Stahlleichtträger
FR2108984A1 (fr) 1970-10-27 1972-05-26 Boutard Claude
DE2432010B2 (de) 1973-07-04 1977-11-03 Kitson's Byalex Ltd., Barking, Essex (Grossbritannien) Waermeisolierter balkenartiger traeger
DE3005571B1 (de) 1980-02-14 1981-06-04 Eberhard 7570 Baden-Baden Schöck Bauelement zur Waermedaemmung bei Gebaeuden
DE3035931A1 (de) 1980-09-24 1982-04-08 Karl Heinz Vahlbrauk Wandelement fuer gebaeude
DE3247039A1 (de) 1982-12-18 1984-06-20 Günther Dipl.-Ing. 6901 Wiesenbach Koch Verbundsystem zur bildung von bauelementen
EP0133875A1 (fr) 1983-08-03 1985-03-13 Eberhard Schöck Elément de construction isolant thermique pour bâtiments

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
F. HOHWILLER: "Wärmedämmung von Aussenwänden, Steinsysteme mit integrierter Dämmschicht", BETONWERK + FERTIGTEIL- TECHNIK, January 1980 (1980-01-01), pages 43ff, XP055287564

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29509131U1 (de) * 1995-02-18 1995-09-21 Max Frank Gmbh & Co Kg, 94339 Leiblfing Isolierstein sowie unter Verwendung solcher Steine hergestellte Mauer

Also Published As

Publication number Publication date
DE3679275D1 (de) 1991-06-20
ATE63591T1 (de) 1991-06-15
EP0219792A2 (fr) 1987-04-29
EP0219792B2 (fr) 1995-12-27
CH670853A5 (fr) 1989-07-14
EP0219792A3 (en) 1987-08-26

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