EP0408989A2 - Elément de construction pour l'isolation thermique de bâtiments - Google Patents

Elément de construction pour l'isolation thermique de bâtiments Download PDF

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Publication number
EP0408989A2
EP0408989A2 EP90112774A EP90112774A EP0408989A2 EP 0408989 A2 EP0408989 A2 EP 0408989A2 EP 90112774 A EP90112774 A EP 90112774A EP 90112774 A EP90112774 A EP 90112774A EP 0408989 A2 EP0408989 A2 EP 0408989A2
Authority
EP
European Patent Office
Prior art keywords
protective layer
insulating body
component according
reinforcement elements
elastic protective
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.)
Granted
Application number
EP90112774A
Other languages
German (de)
English (en)
Other versions
EP0408989B1 (fr
EP0408989A3 (en
Inventor
Peter Prof. Schiessl
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.)
Schoeck Bauteile GmbH
Original Assignee
Schoeck Bauteile GmbH
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 Schoeck Bauteile GmbH filed Critical Schoeck Bauteile GmbH
Publication of EP0408989A2 publication Critical patent/EP0408989A2/fr
Publication of EP0408989A3 publication Critical patent/EP0408989A3/de
Application granted granted Critical
Publication of EP0408989B1 publication Critical patent/EP0408989B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • E04B1/003—Balconies; Decks
    • E04B1/0038—Anchoring devices specially adapted therefor with means for preventing cold bridging

Definitions

  • the invention relates to a component of the type specified in the preamble of claim 1.
  • projecting wall parts such as balconies
  • a corresponding false ceiling of a building largely excluding cold bridges.
  • a component of the type mentioned is known for example from DE 30 05 571 C2.
  • This component which is designed as a prefabricated component, additionally comprises a pressure element within the insulating body, which serves as a connecting core element and has dimensions corresponding to the cross section of the insulating body. It is thereby achieved that, in addition to good thermal insulation, satisfactory load transfer is also ensured, so that the projecting wall part is held properly.
  • This well-known component is used in large numbers in a wide variety of buildings and has proven itself with regard to thermal insulation and load transfer. Long-term observations have shown, however, that this known component should be improved with regard to its corrosion resistance, which is affected by the enormous temperature differences between the interior of the building and the projecting wall part as well as by the changing day and night temperatures and the seasonal temperature change. While a heated building usually has a temperature of around 20 ° C, the projecting wall section is exposed to a temperature between 55 and around -15 ° C in Central European conditions.
  • the invention is therefore based on the object of improving the corrosion resistance of a component of the type mentioned at the outset.
  • This additionally provided elastic protective layer does not therefore represent the corrosion protection layer, but rather protects the underlying corrosion protection layer from damage, embrittlement or penetration of moisture.
  • the constantly changing edge pressure exerted by the (concrete) material of the building or the projecting wall part on the reinforcement elements is absorbed by the elastic protective layer provided according to the invention, at least in the transition area of the insulating body to these components, and at least reduced to such an extent that damage to the corrosion coating thereof Elements or the surface of the corrosion-resistant reinforcement elements is excluded.
  • the component according to the invention is thereby distinguished by a significantly improved corrosion resistance compared to the prior art.
  • An advantage of the invention is the mechanical protection of the reinforcement elements due to their elastic coating during transport and the installation of the component according to the invention.
  • the elastic protective layer is the extension of the bending length of the reinforcement elements. This is achieved in that the insertion area of the reinforcement elements into the (concrete) material of the components, which is provided with the elastic protective layer, also takes part in the bending process, so that the bending is distributed over a longer area of the reinforcement elements and is therefore less drastic or with less deflection in particular in the insertion area, which means that this area of the (concrete) material of the components is less heavily loaded or the reinforcement elements are less stressed by the components.
  • the elastic protective layer increases the free movable length of the reinforcement elements with a sufficient layer thickness. This also applies to reinforcement elements made of corrosion-resistant materials.
  • an axial extension of the elastic protective layer according to the invention of about 15 to 30 mm into the (concrete) material is sufficient to ensure the improved corrosion resistance in the critical transition area from the insulating body to the adjacent components.
  • ribbed reinforcement elements for example ribbed reinforcing steel, it is advantageous to extend the extension of the elastic protective layer into the (concrete) material of the components.
  • the elastic protective layer is additionally formed in the entire area of the insulating body on the reinforcement elements, so that the entire area of the reinforcement elements subject to a bend in the working components is protected by this protective layer.
  • its thickness is advantageously a few hundred micrometers, in particular at least 300 ⁇ m.
  • Elastomers and / or thermoplastics, especially foamed thermoplastics, are particularly suitable as the material for the elastic protective layer.
  • thermosets are particularly suitable as the outer layer, while foam plastics are best suited as the intermediate layers.
  • a lacquer resin, in particular polypropylene, can be used as the innermost layer.
  • the outermost layer of the composite protective layer or the surface of the single-layer elastic protective layer is colored in a conspicuous manner and possibly marked by rings, in order to ensure correct setting of the reinforcement elements with respect to the insulating body during the manufacture of the component.
  • FIG. 1 and 2 each show only a section of a component for the heat-insulating connection of a projecting wall part 11, such as a balcony to a building facade 10, in a schematic longitudinal sectional view.
  • This component usually consists of a plurality of differently shaped reinforcement elements, which are inserted into an insulating body 12 so as to protrude, and with their protruding end sections are each concreted into the projecting wall part 11 and the building facade 10.
  • a single metallic reinforcing bar 14 is shown in the present case, which is coated against corrosion or consists of stainless steel.
  • Fig.1 is in the concrete material of the building facade 10 and the in the interposition of the insulating body 12 of thickness X connected to this facade projecting wall portion 11 used reinforcing bar 14 in the region of the insulating end faces 18, 18 'and in the area of the end faces of the Concrete parts 10 and 11, that is to say in the transition area of the insulating body to the concrete parts 10, 11, are provided with an elastic protective layer 16.
  • This protective layer consists of one or more layers of elastic material.
  • the reinforcement bar 14 Due to temperature-induced movements of the projecting wall part 11 relative to the building facade 10, the reinforcement bar 14 is subjected to constantly changing bending stresses, the elastic protective layer 16 compressing the bar 14 from the edges A, B, C, and D of the components 10 and 11 at the insertion points of the bar 14 catches in these parts due to their elasticity and their dimensioning and mitigates so far that it is prevented that embrittlement or cracking of the corrosion coating on the rod 14 occurs, which would otherwise lead to corrosion of the rod 14.
  • the coating 16 extends in the exemplary embodiment according to FIG. 1 over the entire area of the insulating body 12 and a few centimeters into the concrete material of the building facade 10 and the projecting wall part 11, so that the free movable length of the reinforcing bar 14 due to the elastic protective layer 16 in comparison to a protective layer-free reinforcement bar, which is embedded directly in the concrete of the components 10, 11.
  • the elastic protective layer 16 or 17 is formed exclusively in the transition area of the insulating body 12 to the two adjoining components 10 and 11, the ends 15 of the protective layer protruding into the components 10 and 11, which lie outside the critical edge loading area, are made thinner than the protective layer located in the transition area.
  • 1 and 2 are purely schematic representations in which the relationships of the individual parts and elements to one another do not correspond to reality.
  • the thickness of the protective layer which is typically a few hundred micrometers, especially ⁇ 300 ⁇ m, is exaggerated.
  • thermoplastics are particularly suitable as materials for the elastic protective layer.
  • An example of an elastomer is ethylene-propylene tar rubber with a density of approx. 0.9 to 1.3 g / cm3, an elongation of more than 100%, a Shore A hardness of less than 90 and an ozone resistance according to DIN 53509.
  • Another example is styrene-butadiene rubber, which has the advantage of very good wear properties.
  • polyurethane elastomers and thermoplastic elastomers which have good properties such as high strength, high flexibility and elasticity. Good wear protection and good ozone resistance are also provided.
  • thermoplastics e.g. Polypropylene, polyethylene. These materials can be applied using manufacturing processes such as spraying, injection molding, pressing, shrinking or by joining plastic injection or extrusion profiles over the corrosion-protected reinforcing steel. But there is also the other possibility to press injection molded plastic parts, which are shaped as half-shells, onto the reinforcing steel. In the same way as with the elastomers, sufficient resistance to aging, ozone and temperature must also be guaranteed with the thermoplastics.
  • thermoplastics foamed by means of blowing agents have the advantage that the elasticity and the abrasion properties of the protective layer improve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Polyurethanes Or Polyureas (AREA)
EP90112774A 1989-07-20 1990-07-04 Elément de construction pour l'isolation thermique de bâtiments Revoked EP0408989B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3924027 1989-07-20
DE3924027 1989-07-20
DE4020582A DE4020582A1 (de) 1989-07-20 1990-06-28 Bauelement zur waermedaemmung bei gebaeuden
DE4020582 1990-06-28

Publications (3)

Publication Number Publication Date
EP0408989A2 true EP0408989A2 (fr) 1991-01-23
EP0408989A3 EP0408989A3 (en) 1993-08-18
EP0408989B1 EP0408989B1 (fr) 1995-11-02

Family

ID=25883224

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90112774A Revoked EP0408989B1 (fr) 1989-07-20 1990-07-04 Elément de construction pour l'isolation thermique de bâtiments

Country Status (4)

Country Link
EP (1) EP0408989B1 (fr)
AT (1) ATE129768T1 (fr)
CA (1) CA2021075A1 (fr)
DE (2) DE4020582A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0568813A1 (fr) * 1992-05-02 1993-11-10 SCHÖCK BAUTEILE GmbH Elément de construction pour l'isolation thermique de bâtiments
EP0685613A1 (fr) * 1994-06-03 1995-12-06 F.J. Aschwanden AG Dispositif de reprise et de transfert d'efforts tranchants entre deux éléments de construction
NL1031846C2 (nl) * 2006-05-19 2007-11-20 H J J Evers Beheer B V Balkonplaat alsmede gebouw voorzien van een balkonplaat.
EP2246492A3 (fr) * 2009-04-24 2013-05-15 fischerwerke GmbH & Co. KG Revêtement d'éléments de fixation
CZ305718B6 (cs) * 2014-08-15 2016-02-17 Vysoké učení technické v Brně, Fakulta stavební Sestava prvků pro kotvení

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4102332C2 (de) * 1991-01-26 1998-07-02 Frank Gmbh & Co Kg Max Balkonanschluß
DE4103278A1 (de) * 1991-02-04 1992-08-13 Schoeck Bauteile Gmbh Bauelement zur waermedaemmung bei gebaeuden

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944878A1 (de) * 1979-11-07 1981-05-21 Dyckerhoff & Widmann AG, 8000 München Korrosionsgeschuetztes bewehrungselement fuer beton
DE3005571C2 (de) * 1980-02-14 1982-02-18 Schöck, Eberhard, 7570 Baden-Baden Bauelement zur Wärmedämmung bei Gebäuden
DE3408556A1 (de) * 1984-03-08 1985-09-12 Eberhard Ing.(grad.) 7570 Baden-Baden Schöck Trennelement fuer betonplatten
DE3446006A1 (de) * 1984-12-17 1986-07-03 Wayss & Freytag Ag, 6000 Frankfurt Korrosionsgeschuetzter bewehrungsstab zur ueberbrueckung planmaessiger bauwerksfugen
DE3509890C2 (de) * 1985-03-19 1995-05-24 Schoeck Eberhard Bauelement zur Körperschalldämmung
JPS624887A (ja) * 1985-06-28 1987-01-10 Sumitomo Metal Mining Co Ltd 水蒸気養生軽量気泡コンクリ−ト補強筋用防錆剤
DE3702677A1 (de) * 1986-02-07 1987-08-13 Riss Ag Armierungseisen und verfahren zu dessen herstellung
CH674752A5 (fr) * 1988-03-18 1990-07-13 Proceq Sa

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0568813A1 (fr) * 1992-05-02 1993-11-10 SCHÖCK BAUTEILE GmbH Elément de construction pour l'isolation thermique de bâtiments
EP0685613A1 (fr) * 1994-06-03 1995-12-06 F.J. Aschwanden AG Dispositif de reprise et de transfert d'efforts tranchants entre deux éléments de construction
NL1031846C2 (nl) * 2006-05-19 2007-11-20 H J J Evers Beheer B V Balkonplaat alsmede gebouw voorzien van een balkonplaat.
EP2246492A3 (fr) * 2009-04-24 2013-05-15 fischerwerke GmbH & Co. KG Revêtement d'éléments de fixation
CZ305718B6 (cs) * 2014-08-15 2016-02-17 Vysoké učení technické v Brně, Fakulta stavební Sestava prvků pro kotvení

Also Published As

Publication number Publication date
DE59009831D1 (de) 1995-12-07
DE4020582A1 (de) 1991-01-24
EP0408989B1 (fr) 1995-11-02
CA2021075A1 (fr) 1991-01-21
EP0408989A3 (en) 1993-08-18
ATE129768T1 (de) 1995-11-15

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