EP3225759A1 - 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
EP3225759A1
EP3225759A1 EP17160994.4A EP17160994A EP3225759A1 EP 3225759 A1 EP3225759 A1 EP 3225759A1 EP 17160994 A EP17160994 A EP 17160994A EP 3225759 A1 EP3225759 A1 EP 3225759A1
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EP
European Patent Office
Prior art keywords
pressure element
connection component
connection
pressure
component according
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Granted
Application number
EP17160994.4A
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German (de)
English (en)
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EP3225759B1 (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 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 inserted into the heat-insulating body and this penetrating from one to the other contact surface pressure element.
  • load-bearing components are often created from reinforced concrete structures.
  • such building parts can be provided with an externally mounted thermal insulation.
  • the floor slab between basement, such as basement or underground car park, and ground floor is often equipped on the basement side with a heat insulation applied to the ceiling.
  • This results in the difficulty that the load-bearing parts of the building, on which the building rests, such as columns and outer walls, in load-bearing manner with the overlying building parts, in particular the floor ceiling must be connected.
  • This is usually achieved by connecting the floor slab monolithically to the supporting pillars and outer walls with continuous reinforcement.
  • thermal bridges which can be eliminated only by a subsequently attached from the outside thermal insulation.
  • the wall element has a pressure-resistant support structure with arranged in the interstices insulating elements.
  • the support structure may for example consist of a lightweight concrete.
  • Such a wall element is used for thermal insulation masonry exterior walls, for example, by being used as a conventional brick as the first stone layer of the supporting outer wall above the basement ceiling.
  • EP 2 405 065 A1 is a pressure force transmitting and insulating connection element known, which is used for the vertical, load-bearing connection of building sections to be created from concrete. It consists of an insulating body with one or more printing elements embedded therein. By the pressure elements transverse shear reinforcement elements extending for connection to the building concrete parts to be created extend substantially vertically beyond the top and bottom of the insulating body.
  • the insulating body can be made of foam glass or expanded polystyrene rigid foam and the pressure elements made of concrete, fiber concrete or fiber plastic, for example.
  • An object of the present invention is to provide a heat-insulating connection component with internal pressure element, in which on the one hand the carrying capacity and reliability is improved, which on the other hand is simple and inexpensive to manufacture.
  • the pressure element is at least partially made of a castable, hardening material, in particular concrete, and at least partially an outer sheath of a tensile material, in particular steel or a fiber-reinforced composite material.
  • the outer sheath of a tensile material increases the carrying capacity of such pressure elements considerably, since it prevents deformation by lateral expansion of the pressure-stable core under compression, which can eventually lead to the rupture of the pressure element.
  • a possible deterioration of the physical properties in terms of increased thermal conductivity of the outer jacket is overcompensated by increasing the carrying capacity of such a pressure element.
  • a reinforcing bar may be on the outer casing in the longitudinal direction of the pressure element on both sides beyond this extending reinforcement part, in particular a reinforcing bar, are attached.
  • a reinforcing bar which is beyond the contact surfaces of the connection component, is connected to the reinforcement of the above and below concrete to be created building parts or connected to this during installation of the connection component and thus allows a continuous reinforcement situation between a vertical part of the building, such as a pillar, and a horizontal part of the building carried by it, such as a floor slab.
  • reinforcing rods run through the one or more pressure elements. Since, for structural-physical reasons, the cross-section of the pressure elements should be kept as small as possible, the inventive external attachment of the reinforcing bars to the outer casing of the pressure elements proves to be advantageous. By the sheathing of the printing elements with a tensile material whose carrying capacity is increased, so that on the other side with the same load capacity, the cross section of the printing elements can be reduced. If, in this case, the reinforcing bars designed for tensile and / or transverse forces were laid through the pressure-resistant material of the pressure elements, potential weak points in the microstructure of the pressure elements and their load capacity would be reduced.
  • the external attachment of reinforcing bars to the printing elements allows a separate optimization on the one hand, the static properties of the printing elements, on the other hand, the interpretation of probation rods.
  • the external attachment of the reinforcing bars to the outer shell of the printing elements simplifies their manufacture considerably.
  • the pressure elements can first be prepared without reinforcing bars by pouring a serving as a lost formwork outer sheath, and then the reinforcing bars are attached to this, for example by a welded joint in the case of stainless steel.
  • High-strength concrete of a strength class corresponding to C55 / 67 or LC55 / 60 or higher is suitable as a printable material for producing the printing elements.
  • High-strength concrete is cost-effective to manufacture, reliable and offers a high load capacity.
  • a sheath for the pressure element can in particular a sleeve made of steel, preferably stainless steel serve, which is poured with high-strength concrete. To these can subsequently in the above-described Way probationary rods are welded.
  • the reinforcing rods are preferably made of stainless steel, at least in the area of the pressure elements.
  • the reinforcing rods may consist of conventional structural steel which may be welded to the middle section of stainless steel.
  • the sheath may also be made of a fiber composite such as GRP. In this case, it is also possible, in particular, to laminate a reinforcement element, which may likewise be based on fiberglass, alternatively of stainless steel, into the shell during production.
  • a further improvement results when the outer sheath of the pressure element is recessed in the region of opposite end surfaces of the pressure element serving for pressure introduction, ie the sheath does not extend over the full length of the pressure element, but only surrounds its middle section.
  • 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 used primarily for the vertical load-bearing connection of supports in the basement area to the overlying building parts, such as a floor slab.
  • a support is understood to mean a vertical part of a building which absorbs and transmits loads mainly in the direction of its longitudinal axis.
  • the DIN standard 1041/1 defines a support as a rod-shaped pressure member whose larger cross-sectional dimension, in contrast to a wall does not exceed four times the smaller dimension.
  • the connection components described can also be used for connecting a retaining wall to the overlying building construction, in particular an overlying floor slab.
  • FIG. 1 shows a cuboid base body 1 of heat-insulating material.
  • thermal insulating material is for example a mineral insulation, a wood wool multi-layer insulation, an expanded polystyrene foam (EPS, XPS) or foam glass into consideration.
  • the base body 1 thus consists of non-load-bearing material and serves for heat decoupling between the building parts to be created below and above it.
  • the upper side 1a of the main body 1 serves as a contact surface for a floor to be created thereon.
  • the bottom 1 b serves as a contact surface and conclusion for a underneath supporting building part such as a support.
  • a total of eight individual pressure elements 2 are used, each extending substantially from the upper to the lower contact surface and serve to accommodate the carrying capacity of a load-bearing floor ceiling and dissipation of the bearing forces in the underlying support.
  • 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 view.
  • 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 sheath 3 in the form of a sleeve of stainless steel.
  • the stainless steel sleeves 3 are used on the one hand in the production as permanent formwork by being poured with the high performance concrete, on the other hand, they increase the carrying capacity and compressive strength of the individual pressure elements 2, by a deformation of the concrete core in compression of the pressure element as by a lateral "dodging" of the material prevent.
  • the individual pressure elements 2 are thus able to absorb the load on the connection component bearing forces and forward it to the underlying support.
  • the insulating base body 1 ensures with its heat-insulating properties for a heat decoupling between the building parts.
  • FIG. 3 is a single pressure element 2 with its outer stainless steel sleeve 3 and the pressure-resistant filling made of high-performance concrete 4 shown separately.
  • any other geometric shapes such as prism, truncated cone or truncated pyramid can be selected.
  • a barrel-shaped or tapering towards the middle shape into consideration.
  • FIG. 4 A variant of a cylindrical individual pressure element 2 'is in FIG. 4 shown.
  • a pressure-resistant base body 4 is made of high-performance concrete with an outer sheath 3 'made of a tensile material such as stainless steel. It is essential, however, that in the end regions 5, ie at the upper and at the lower end of the pressure-resistant concrete core 4, the casing 3 'is recessed. This ensures a better connection with the fresh concrete of the above and below the connection component to be created or created building parts.
  • the end regions 5 in the second exemplary embodiment can extend over the upper and lower 5 mm of the individual pressure element, for example.
  • the typical height of a single pressure element 2 or 2 ' corresponds to the thickness of a proposed insulation layer between 8 and 20 cm, preferably between 10 and 15 cm.
  • the individual pressure elements 2, 2 ' can each also protrude slightly above the heat-insulating base body 1, that is to say the height of the individual pressure elements 2, 2' can be slightly greater than the thickness of the base body 1 or a layer of damping material to be applied below a floor slab. This supernatant may be advantageous in the connection of the individual printing elements to the above or below to be created building parts. In the second embodiment, this supernatant mainly affects the end portions 5 of the individual pressure elements 2 '.
  • the upper and lower end surface may also be curved, for example concave or convex. This also makes it possible, on the one hand, to improve the connection to the parts of the building to be constructed above or below, and on the other hand, by means of a corresponding curvature of the connection surfaces of the individual pressure elements 2, 2 ', a certain articulation at the connection points can be achieved which provide better load bearing introduction and, in particular, compensation for bearing rotation on an overlying floor slab due to deformation or settlement in the building.
  • FIG. 5 Another embodiment of a single-pressure element 2 is shown in FIG. 5 shown.
  • This again has a pressure-stable, cast core 4 made of high-performance concrete and a sleeve-shaped outer casing 3 made of stainless steel.
  • a sleeve-shaped outer casing 3 made of stainless steel.
  • two reinforcing bars 6 are welded laterally.
  • only one rebar per pressure element may be provided, or it may be attached to a pressure element, depending on its size, more than two reinforcing rods.
  • only a part of the printing elements can be equipped with reinforcing bars.
  • the reinforcing bars 6 are in the assembled state of the connection component on the upper and lower contact surface and serve to connect to the reinforcement of the above and below to be created building parts.
  • the connection component is this purpose in a formwork for a building part to be created, such as a support, with installed and the reinforcing bars 6 are connected, for example by means of metal wire with the reinforcement of the building part. Subsequently, the formwork is filled with fresh concrete and this compacted. After setting of the concrete of the support can be continued in a conventional manner with the creation of a floor slab above the connection component.
  • connection component on the one hand, on the other hand, the reinforcement can be passed from an underlying support to the floor above it and thus support and floor slab monolithically connected to each other.
  • connection component can be made 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 intended insulating material layer and may possibly 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, a plurality of individual pressure elements. Such a connection component can be used individually for a support. For higher loads, several connection components for a larger support can be combined. Accordingly, one or more connection components according to the invention can be used as the upper termination of a load-bearing wall below a floor slab.

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

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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4328395A3 (fr) * 2020-12-04 2024-05-22 Leviat GmbH Construction avec élément de construction thermiquement isolant

Citations (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
EP1225282A2 (fr) * 2001-01-23 2002-07-24 Schöck Entwicklungsgesellschaft mbH Elément isolant thérmique pour la construction
DE10106222A1 (de) 2001-02-10 2002-08-14 Schoeck Entwicklungsgmbh Mauersteinförmiges Wärmedämmelement
EP1892344A1 (fr) * 2006-08-22 2008-02-27 HALFEN GmbH Elément de construction thermo-isolant
WO2008113347A2 (fr) * 2007-03-22 2008-09-25 Bert Kolpatzik Élément d'isolation thermique
EP2354343A1 (fr) * 2010-02-10 2011-08-10 Bossard + Staerkle AG Elément de raccordement de dalles en console / éléments de pression
EP2405065A1 (fr) 2010-11-19 2012-01-11 Georg Koch Elément isolant de connexion pour supporter des charges de compression

Patent Citations (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
EP1225282A2 (fr) * 2001-01-23 2002-07-24 Schöck Entwicklungsgesellschaft mbH Elément isolant thérmique pour la construction
DE10106222A1 (de) 2001-02-10 2002-08-14 Schoeck Entwicklungsgmbh Mauersteinförmiges Wärmedämmelement
EP1892344A1 (fr) * 2006-08-22 2008-02-27 HALFEN GmbH Elément de construction thermo-isolant
WO2008113347A2 (fr) * 2007-03-22 2008-09-25 Bert Kolpatzik Élément d'isolation thermique
EP2354343A1 (fr) * 2010-02-10 2011-08-10 Bossard + Staerkle AG Elément de raccordement de dalles en console / éléments de pression
EP2405065A1 (fr) 2010-11-19 2012-01-11 Georg Koch Elément isolant de connexion pour supporter des charges de compression

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4328395A3 (fr) * 2020-12-04 2024-05-22 Leviat GmbH Construction avec élément de construction thermiquement isolant

Also Published As

Publication number Publication date
HUE056934T2 (hu) 2022-03-28
DE102016106032A1 (de) 2017-10-05
EP3225759B1 (fr) 2021-12-01

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