EP3225759B1 - Élément de raccordement d'isolation thermique d'éléments de bâtiments verticaux reliés - Google Patents

Élément de raccordement d'isolation thermique d'éléments de bâtiments verticaux reliés Download PDF

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Publication number
EP3225759B1
EP3225759B1 EP17160994.4A EP17160994A EP3225759B1 EP 3225759 B1 EP3225759 B1 EP 3225759B1 EP 17160994 A EP17160994 A EP 17160994A EP 3225759 B1 EP3225759 B1 EP 3225759B1
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Prior art keywords
connection component
compression element
outer casing
connection
pressure
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EP17160994.4A
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German (de)
English (en)
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EP3225759A1 (fr
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Schoeck Bauteile GmbH
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Schoeck Bauteile GmbH
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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
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/003—Balconies; Decks
    • E04B1/0038—Anchoring devices specially adapted therefor with means for preventing cold bridging
    • 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 connection component for the load-bearing, vertical connection of building parts, which has a heat-insulating base body with two opposing contact surfaces for connection to the building parts and at least one pressure element inserted into the heat-insulating base body and penetrating from one contact surface to the other.
  • load-bearing components are often made from reinforced concrete structures.
  • such parts of the building can be provided with external thermal insulation.
  • the ceiling between the basement, such as the basement or underground car park, and the ground floor is often equipped on the basement side with thermal insulation attached to the ceiling.
  • This is usually achieved in that the floor slab is monolithically connected to the load-bearing columns and outer walls with continuous reinforcement.
  • this creates thermal bridges that are difficult to remove by adding thermal insulation from the outside.
  • the upper section of the load-bearing concrete columns facing the floor slab is also often sheathed with thermal insulation. This is not only complex and visually less appealing, but also leads to unsatisfactory building physics results and also reduces the parking space available in the underground car park.
  • the wall element has a pressure-resistant support structure with insulating elements arranged in the spaces.
  • the supporting structure can for example consist of a lightweight concrete.
  • Such a wall element is used for the thermal insulation of brick exterior walls, for example by using it like a conventional brick as the first stone layer of the load-bearing exterior wall above the basement ceiling.
  • An insulating stone is also from the DE 297 14 081 U1 known. There is an insulating body between two plates. Pressure elements made of fiber-reinforced concrete keep the panels at a distance. The insulating stone is intended for masonry walls that are to be thermally insulated against a ceiling or floor slab.
  • a pressure force-transmitting and insulating connection element which is used for the vertical, load-bearing connection of building parts to be made from concrete. It consists of an insulating body with one or more pressure elements embedded in it. Shear force reinforcement elements run through the pressure elements and extend essentially vertically over the top and bottom of the insulation body for connection to the building parts to be constructed from concrete.
  • the insulation body can be made, for example, from foam glass or expanded polystyrene rigid foam and the pressure elements from concrete, fiber-reinforced concrete or fiber-reinforced plastic.
  • One object of the present invention is to provide a heat-insulating connection component with an internal pressure element in which, on the one hand, the load-bearing capacity and reliability are improved, and which, on the other hand, is simple and inexpensive to manufacture.
  • the invention provides that the pressure element is at least partially made of a pourable, hardening material, in particular concrete, and at least partially has an outer casing made of a sleeve made of steel or a fiber-reinforced composite material, the outer casing of the Pressure element is recessed in the area of opposite end surfaces of the pressure element serving for pressure introduction. This improves the connection of the pressure element to the parts of the building to be constructed from concrete above and below and the introduction of the load-bearing forces into the pressure element via its end faces.
  • the outer casing made of a tensile strength material increases the load-bearing capacity of such pressure elements considerably, since it prevents deformation due to the lateral expansion of the pressure-stable core under compression, which can ultimately lead to the pressure element bursting.
  • any deterioration in the physical properties of the building in terms of increased thermal conductivity of the outer casing is overcompensated for by increasing the load-bearing capacity of such a pressure element.
  • the outer casing as permanent formwork in the production of the pressure element, in that it is filled with the material of the pressure element, for example high-strength concrete. This also creates an intimate connection between the concrete core and the cladding.
  • a reinforcement part in particular a reinforcement bar, extending beyond the pressure element in the longitudinal direction of the pressure element on both sides can be attached to the outer casing.
  • a reinforcing bar which protrudes beyond the contact surfaces of the connecting component, is connected or connected to the reinforcement of the building parts to be constructed from concrete above and below during the installation of the connecting component and thus enables it a continuous reinforcement situation between a vertical part of the building, such as a column, and a horizontal part of the building carried by this, such as a floor.
  • reinforcing bars run through the pressure element or elements. Since the cross-section of the pressure elements should be kept as small as possible for reasons of building physics, the external fastening of the reinforcing rods according to the invention to the outer casing of the pressure elements proves to be advantageous. By sheathing the pressure elements with a tensile strength material, their load-bearing capacity is increased, so that on the other hand the cross-section of the pressure elements can be reduced with the same load-bearing capacity.
  • the reinforcing bars designed for tensile and / or transverse forces were to be laid through the pressure-resistant material of the pressure elements, there would be potential weak points in the structure of the pressure elements and their load-bearing capacity would be reduced.
  • the external attachment of reinforcing bars to the pressure elements enables separate optimization on the one hand of the static properties of the pressure elements and, on the other hand, of the design of the reinforcement bars.
  • the external fastening of the reinforcing bars to the outer casing of the pressure elements considerably simplifies their manufacture.
  • the pressure elements can initially be produced without reinforcing bars by pouring an outer casing serving as a lost formwork, and then the reinforcing bars can be attached to this, for example by a welded connection in the case of stainless steel.
  • High-strength concrete of a strength class corresponding to C55 / 67 or LC55 / 60 or higher is particularly suitable as a printable material for the production of the pressure elements.
  • High-strength concrete is inexpensive to manufacture, reliable and has a high load-bearing capacity.
  • the reinforcing bars are also preferably made of stainless steel, at least in the area of the pressure elements. At a certain distance above and below the pressure elements, which corresponds to at least a concrete cover required for corrosion protection reasons, the reinforcing bars can consist of conventional structural steel, which can be welded to the middle section made of stainless steel.
  • the sheathing can also be made from a fiber composite material such as GRP. In this case, it is also possible in particular to laminate a reinforcement element, which can also be made of GRP or alternatively of stainless steel, into the sheathing when it is manufactured.
  • the pressure element for a connection component according to the invention can preferably be designed in the shape of a cylinder, prism, truncated cone or truncated pyramid.
  • a heat-insulating connection component which are primarily used for the vertical, load-bearing connection of supports in the basement area to the building parts above, such as a floor ceiling.
  • a column is understood to be a vertical part of a building that receives and transfers loads mainly in the direction of its longitudinal axis.
  • the DIN standard 1041/1 defines a column as a rod-shaped compression member, the larger cross-sectional dimension of which, in contrast to a wall, does not exceed four times the smaller dimension.
  • the connection components described can also be used to connect a supporting wall to the building structure above, in particular a floor ceiling above.
  • Figure 1 shows a cuboid base body 1 made of heat-insulating material.
  • a mineral insulation material, a wood wool multi-layer insulation material, an expanded polystyrene hard foam (EPS, XPS) or foam glass can be considered as the heat insulating material.
  • the base body 1 thus consists of non-load-bearing material and is used for heat decoupling between the building parts to be constructed below and above.
  • the upper side 1a of the base body 1 serves as a contact surface for a floor slab to be created above it.
  • the bottom 1b serves as a contact surface and termination for a load-bearing part of the building underneath, such as a column.
  • a total of eight individual pressure elements 2 are used in the heat-insulating base body 1, each of which essentially extends from the upper to the lower contact surface and serves to absorb the load-bearing forces of a floor slab above and divert the load-bearing forces into the support below.
  • the individual printing elements 2 are cylindrical.
  • the base body 1 and the pressure elements 2 inserted therein are shown separately in the manner of an exploded drawing.
  • the pressure elements 2 each consist of high-performance concrete with a compressive strength> 50 N / mm 2 , preferably ultra-high-strength concrete (UHPC) with a compressive strength of> 150 N / mm 2 .
  • the individual pressure elements 2 are also each provided with an outer casing 3 in the form of a sleeve made of stainless steel.
  • the stainless steel sleeves 3 serve on the one hand during production as permanent formwork by pouring them with the high-performance concrete, on the other hand they increase the load-bearing capacity and compressive strength of the individual pressure elements 2 by causing deformation of the concrete core when the pressure element is compressed, for example by sideways "evasion" of the material impede.
  • the individual pressure elements 2 are therefore able to absorb the load-bearing forces on the connection component and to pass them on to the support below.
  • the cross-sectional area of the individual pressure elements 2 which is considerably reduced compared to the base area of the entire connection component including the heat-insulating base body 1 or compared to the corresponding base area of the support located underneath, leads to a considerable reduction in the thermal conductivity of the connection component as a whole.
  • the insulating base body 1 with its heat-insulating properties ensures heat decoupling between the building parts.
  • FIG 3 a single pressure element 2 with its outer stainless steel sleeve 3 and the pressure-resistant filling made of high-performance concrete 4 is shown separately.
  • any other geometric shapes such as prism, truncated cone or truncated pyramid shape can also be selected.
  • a barrel-like shape or a shape that tapers towards the center can also be considered.
  • FIG Figure 4 A variant of a cylindrical individual pressure element 2 'is shown in FIG Figure 4 shown.
  • a pressure-resistant base body 4 made of high-performance concrete with an outer casing 3 'made of a tensile material such as stainless steel is provided.
  • the casing 3 ' is cut out in the end regions 5, ie at the upper and lower ends of the pressure-resistant concrete core 4. This ensures a better connection with the fresh concrete of the parts of the building to be constructed or constructed above and below the connection component.
  • the end regions 5 in the second exemplary embodiment can extend, for example, over the upper and lower 5 mm of the individual printing element.
  • the typical height of an individual pressure element 2 or 2 ' corresponds to the thickness of a provided insulation layer between 8 and 20 cm, preferably between 10 and 15 cm.
  • the individual printing elements 2, 2 ' can also protrude slightly above the heat-insulating base body 1, i.e. the height of the individual printing elements 2, 2' can be slightly greater than the thickness of the base body 1 or a damping layer to be attached below a floor. This overhang can be advantageous when connecting the individual printing elements to the parts of the building to be created above or below.
  • this protrusion primarily relates to the end regions 5 of the individual printing elements 2 '.
  • the upper and lower end surfaces can also be arched, for example concave or convex. This also makes it possible, on the one hand, to improve the connection to the building parts to be constructed above or below it, and on the other hand, a certain flexibility at the connection points can be achieved through a corresponding curvature of the connection surfaces of the individual pressure elements 2, 2 ' which ensure a better introduction of the load-bearing forces and, in particular, compensation for a bearing rotation on an overlying floor due to deformation or settlement in the building.
  • FIG Figure 5 Another embodiment of a single printing element 2 is shown in FIG Figure 5 shown.
  • This has a pressure-stable, cast core 4 made of high-performance concrete and a sleeve-shaped outer casing 3 made of stainless steel.
  • Two reinforcing bars 6 are welded to the sides of the stainless steel jacket 3.
  • only one reinforcement bar per pressure element can be provided, or more than two reinforcement bars can be attached to a pressure element, depending on its size.
  • only a part of the pressure elements can be equipped with reinforcing bars.
  • the reinforcing bars 6 extend beyond the upper and lower contact surfaces and serve to connect to the reinforcement of the building parts to be created above and below.
  • the connection component is built into a formwork for a part of the building to be created, such as a support, and the reinforcing bars 6 are connected to the reinforcement of the part of the building, for example by means of tie wire.
  • the formwork is then filled with fresh concrete and this compacted. After the concrete of the support has set, the construction of a floor above the connecting component can be continued in a manner known per se.
  • connection component achieves thermal decoupling of the building parts located above and below
  • reinforcement can be guided from a support below to the floor above and thus the support and floor slab can be monolithically connected to one another.
  • connection component can be designed in different dimensions such as 25 x 25 cm or 30 x 30 cm. As already described, the height of the connection component typically corresponds to the thickness of the insulation material layer provided and can, if necessary, protrude a few millimeters, for example 5 mm, beyond the insulating base body 1.
  • a connection component can either have a single pressure element or, as shown in the exemplary embodiments, several individual pressure elements. Such a connection component can be used individually for a support. In the case of higher loads, several connection components can also be combined for a larger column.
  • one or more connection components according to the invention can be used as the upper termination of a load-bearing wall below a floor.

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

Claims (6)

  1. Pièce structurelle de rattachement, conçue pour relier verticalement des parties de bâtiments avec effet de dissipation de charges, comprenant un corps de base (1) thermiquement isolant, muni de deux surfaces de contact (1a, 1b) opposées l'une à l'autre et dédiées au rattachement auxdites parties de bâtiments, et au moins un élément de pression (2) intégré dans ledit corps de base (1) thermiquement isolant et traversant intégralement ce dernier, pour l'essentiel de l'une à l'autre desdites surfaces de contact, sachant que
    ledit élément de pression (2) est fabriqué, au moins en partie, en un matériau durcissant (4) apte au coulage, du béton en particulier, et est pourvu, au moins par zones, d'un enveloppement extérieur (3) constitué d'un manchon en acier ou d'un matériau composite renforcé par des fibres, caractérisée par le fait que l'enveloppement extérieur (3) est évidé dans la région (5) de surfaces extrêmes opposées de l'élément de pression (2), qui servent à l'introduction de pression.
  2. Pièce structurelle de rattachement selon la revendication 1, dans laquelle l'enveloppement extérieur (3) sert de coffrage perdu au stade de la fabrication de l'élément de pression (2).
  3. Pièce structurelle de rattachement selon la revendication 1 ou 2, dans laquelle une pièce d'armature (6), en particulier une tige d'armature s'étendant dans la direction longitudinale de l'élément de pression (2), au-delà de ce dernier de part et d'autre, est fixée à l'enveloppement extérieur (3).
  4. Pièce structurelle de rattachement selon l'une des revendications précédentes, dans laquelle du béton hautement résistant, d'une classe de résistance correspondant respectivement à C55/67 ou à LC55/60, voire supérieure, est mis en œuvre en tant que matériau dévolu à l'élément de pression.
  5. Pièce structurelle de rattachement selon l'une des revendications précédentes, dans laquelle l'enveloppement extérieur (3) revêtant la forme d'un manchon en acier, de préférence en acier inoxydable, est empli de béton déversé (4) hautement résistant.
  6. Pièce structurelle de rattachement selon l'une des revendications précédentes, dans laquelle l'élément de pression (2) est réalisé en forme de cylindre, de prisme, de tronc de cône ou de pyramide tronquée.
EP17160994.4A 2016-04-01 2017-03-15 Élément de raccordement d'isolation thermique d'éléments de bâtiments verticaux reliés Active EP3225759B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016106032.1A DE102016106032A1 (de) 2016-04-01 2016-04-01 Anschlussbauteil zur Wärmeentkopplung von vertikal verbundenen Gebäudeteilen

Publications (2)

Publication Number Publication Date
EP3225759A1 EP3225759A1 (fr) 2017-10-04
EP3225759B1 true EP3225759B1 (fr) 2021-12-01

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EP17160994.4A Active EP3225759B1 (fr) 2016-04-01 2017-03-15 Élément de raccordement d'isolation thermique d'éléments de bâtiments verticaux reliés

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EP (1) EP3225759B1 (fr)
DE (1) DE102016106032A1 (fr)
HU (1) HUE056934T2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020107016U1 (de) * 2020-12-04 2021-01-07 Halfen Gmbh Bauwerk mit thermisch isolierendem Bauelement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29714081U1 (de) * 1997-06-24 1997-09-25 Max Frank Gmbh & Co Kg, 94339 Leiblfing Isolierstein
DE10102931A1 (de) * 2001-01-23 2002-07-25 Schoeck Entwicklungsgmbh Bauelement zur Wärmedämmung
DE10106222A1 (de) 2001-02-10 2002-08-14 Schoeck Entwicklungsgmbh Mauersteinförmiges Wärmedämmelement
PL1892344T3 (pl) * 2006-08-22 2009-04-30 Halfen Gmbh Termoizolacyjny element konstrukcyjny
DE102007014923A1 (de) * 2007-03-22 2008-09-25 Bert Kolpatzik Druckelement eines Bauelementes zur Wärmedämmung
PL2354343T3 (pl) * 2010-02-10 2014-12-31 Ruwa Drahtschweisswerk Ag Element łączący płyty wspornikowej / elementy ściskane
EP2405065B1 (fr) 2010-11-19 2014-04-23 Georg Koch Elément isolant de connexion pour supporter des charges de compression

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
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Publication number Publication date
HUE056934T2 (hu) 2022-03-28
DE102016106032A1 (de) 2017-10-05
EP3225759A1 (fr) 2017-10-04

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