EP0219792B2 - Elément porteur et isolant thermique - Google Patents

Elément porteur et isolant thermique Download PDF

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Publication number
EP0219792B2
EP0219792B2 EP86114165A EP86114165A EP0219792B2 EP 0219792 B2 EP0219792 B2 EP 0219792B2 EP 86114165 A EP86114165 A EP 86114165A EP 86114165 A EP86114165 A EP 86114165A EP 0219792 B2 EP0219792 B2 EP 0219792B2
Authority
EP
European Patent Office
Prior art keywords
construction element
cover
element according
skeleton
webs
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
Other languages
German (de)
English (en)
Other versions
EP0219792A2 (fr
EP0219792B1 (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
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
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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
Application granted granted Critical
Publication of EP0219792B2 publication Critical patent/EP0219792B2/fr
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
    • 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
  • 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 must be avoided through 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 also be reliably transmitted.
  • DE-A-30 35 931 discloses a heat-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 device for preventing thermal bridges which can be used without having to accept the constructional and financial disadvantages described above.
  • the component has the features of claim 1.
  • 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 also protected against mechanical damage during storage and transport largely protected.
  • the skeleton can also have several band-shaped, in regular order e.g. have webs which are interleaved or formed only in sections and pass through the core.
  • 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.
  • the component according to the invention enables a perfect 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 sub-floor, 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 floor shell, 7 the outer shell and 8 the 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 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).
  • the upper and lower chords 16, 17 serve to ensure that no excessive pressures occur on the connecting surfaces of the masonry that are in contact with 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 required width of the upper or lower flange is generally approximately 50% of the height of the associated web; however, it must also be adapted to the mechanical properties of the adjoining element.
  • 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.
  • 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 be too small for forming the interlocking with the masonry.
  • the core of thermal insulation material is kept uncovered by the skeleton over the entire surface 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 flange.
  • 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 (10)

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 un squelette traversant ce noyau, le squelette comprenant des traverses (13) s'étendant essentiellement sur l'ensemble de la longueur, de manière continue ou avec des interruptions, entre la surface inférieure et la surface supérieure, ces traverses comportant des tronçons (18) disposés de chaque côté à proximité des faces latérales, ainsi que des tronçons disposés en biais par rapport à la direction longitudinale de l'élément, de façon à ce que les traverses forment une bande s'étendant en zigzag entre des surfaces latérales opposées, ces traverses (13) faisant partie d'un squelette recouvrant partiellement le noyau (11), et servant à transmettre les forces exercées par un mur entre la surface supérieure et la surface inférieure.
2. Elément de construction selon la revendication 1, caractérisé en ce que la traverse en zigzag (13) est parallèle aux faces latérales dans les zones (18) où elle est proche de celles-ci.
3. 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 à la face supérieure et à la face inférieure de l'élément.
4. Elément de construction selon la revendication 1, caractérisé en ce que la structure comporte deux paires de bords latéraux (19) s'étendant de part et d'autre de la surface supérieure et de la surface inférieure et formant des bandes (19) couvrant les côtés de celles-ci.
5. Elément de construction selon les revendications 3 et 4, caractérisé en ce que la ceinture supérieure et la ceinture inférieure (16, 17) sont réalisées d'une pièce avec les bords latéraux (19).
6. 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 avoisinant la surface supérieure et la surface inférieure.
7. Elément de construction selon la revendication 6, 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 supérieures et inférieures.
8. Elément de construction selon l'une des revendications précédentes, caractérisé en ce que les traverses (13) sont recouvertes de matériau calorifuge sur les faces latérales de l'élément.
9. Elément de construction selon la revendication 8, caractérisé en ce que toutes les parties (13, 16, 17, 19) du squelette sont recouvertes de matériau calorifuge sur l'une des faces latérales de l'élément.
10. Elément de construction selon l'une des revendications précédentes, caractérisé en ce que les traverses (13) ont une section étranglée de manière à ce que l'épaisseur minimale d'une traverse soit située environ à mi-hauteur 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
CH4509/85A CH670853A5 (fr) 1985-10-17 1985-10-17
CH4509/85 1985-10-17

Publications (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29502704U1 (de) * 1995-02-18 1995-06-14 Max Frank Gmbh & Co Kg, 94339 Leiblfing Isolierstein sowie unter Verwendung solcher Steine hergestellte Mauer
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
ES2478045T3 (es) 2010-11-19 2014-07-18 Georg Koch Elemento de conexión que transmite una fuerza de compresión y aislante

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6405964A (fr) 1963-06-05 1964-12-07
FR2108984B1 (fr) 1970-10-27 1974-08-23 Boutard Claude
GB1423416A (en) 1973-07-04 1976-02-04 Kitsons Byalex Ltd Heat insulating structures
DE2501723A1 (de) * 1975-01-17 1976-07-22 Georg Haubner Isolierstofformsteine fuer betondeckenauflage
DE3005571C2 (de) 1980-02-14 1982-02-18 Schöck, Eberhard, 7570 Baden-Baden Bauelement zur Wärmedämmung bei Gebäuden
DE3035931C2 (de) 1980-09-24 1983-12-01 Karl Heinz 3353 Bad Gandersheim Vahlbrauk Wandelement für Gebäude
DE3247039A1 (de) 1982-12-18 1984-06-20 Günther Dipl.-Ing. 6901 Wiesenbach Koch Verbundsystem zur bildung von bauelementen
DE3328070A1 (de) 1983-08-03 1985-02-14 Eberhard Ing.(grad.) 7570 Baden-Baden Schöck Bauelement zur waermedaemmung bei gebaeuden

Also Published As

Publication number Publication date
EP0219792A2 (fr) 1987-04-29
DE3679275D1 (de) 1991-06-20
CH670853A5 (fr) 1989-07-14
EP0219792B1 (fr) 1991-05-15
ATE63591T1 (de) 1991-06-15
EP0219792A3 (en) 1987-08-26

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