EP0568813B1 - 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
EP0568813B1
EP0568813B1 EP93105227A EP93105227A EP0568813B1 EP 0568813 B1 EP0568813 B1 EP 0568813B1 EP 93105227 A EP93105227 A EP 93105227A EP 93105227 A EP93105227 A EP 93105227A EP 0568813 B1 EP0568813 B1 EP 0568813B1
Authority
EP
European Patent Office
Prior art keywords
tube
insulating body
constructional element
element according
helix
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
EP93105227A
Other languages
German (de)
English (en)
Other versions
EP0568813A1 (fr
Inventor
Harald Krüger
Gerhard Trunz
Rolf Hirn
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
Application filed by Schoeck Bauteile GmbH filed Critical Schoeck Bauteile GmbH
Publication of EP0568813A1 publication Critical patent/EP0568813A1/fr
Application granted granted Critical
Publication of EP0568813B1 publication Critical patent/EP0568813B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00—Other details of constructional parts for finishing work on buildings
    • 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 for thermal insulation between a building and a cantilevered outer part, consisting of an insulating body to be laid between them with metallic reinforcing bars, which extend transversely to the insulating body, protrude on both sides and are protected against corrosion at least within the insulating body and in the adjacent transition area are, the corrosion protection is formed at least in part of the reinforcing bars by a coating and also an abrasion protection is provided for this coating.
  • a component with the features described above is known from GM 90 14 573.
  • the reinforcement bars provided with a plastic coating in the insulating body and in the adjacent transition area and frame-shaped brackets are attached to the insulating body to protect it from abrasion. This ensures that local handling of the coating cannot occur when handling the construction site, especially when laying the connection reinforcement.
  • the present invention has for its object to develop a new solution for abrasion protection, which is characterized by easier assembly and lower manufacturing costs.
  • the new abrasion protection should also improve the corrosion resistance of the reinforcing bars in the endangered transition area.
  • the abrasion protection consists of a tube that surrounds the reinforcement bar at least in the transition area, that this tube is spaced by inwardly projecting projections and is arranged to form a ring-like gap on the reinforcement bar and that that over the insulating body projecting ends of the tube have a plurality of openings in the tube wall, which allow the entry of concrete or milk into the gap.
  • the tube according to the invention has the advantage that it is much easier and cheaper to manufacture and assemble than the previously known bracket.
  • the reinforcing bar through its openings and the spaced arrangement on the reinforcing bar, it ensures that the annular gap between the pipe and the reinforcing bar is filled with concrete or concrete milk, which results in the surface the reinforcement bar sets a basic environment that is particularly favorable for its corrosion protection.
  • the described filling of the annular gap is further facilitated by the fact that openings are also provided in the upper circumferential area of the pipe, from which the air displaced by the concrete can escape.
  • Insulating bodies with built-in tubes for protection against corrosion of the reinforcing bars are already known.
  • the reinforcement bars are not integrated in the insulating body, but are only pulled through the pipes at the construction site afterwards.
  • no openings are provided in the tube wall and the radial projections are missing, so that the inventive filling of the gap between the reinforcing element and the tube with concrete or concrete milk is not guaranteed.
  • the tube does not act as an abrasion protection for coated reinforcing bars and therefore only protrudes 2 cm on both sides of the insulating body.
  • the inwardly projecting projections of the tube are formed by longitudinal ribs.
  • the tube can be manufactured inexpensively in the extruder.
  • the height of the projections is expediently chosen to be greater than 1.5 mm, in particular from approximately 2 mm to approximately 10 mm. This ensures reliable filling of the pipe with concrete or concrete milk.
  • the positioning of the openings in the area of these longitudinal ribs also serves the same purpose, because the flow resistance in the annular gap is thereby reduced. At the same time, this increases the contact area between the reinforcement bar and concrete.
  • the size and number of openings are preferably chosen so that they take up a total of about 20% to about 50% of the tube wall area, in particular about 30% to 40%.
  • the tube also be provided on its outside with projections, expediently in the form of longitudinal ribs. This provides additional protection against abrasion and the tube can be made very thin-walled despite large openings.
  • the support between the reinforcing bar and tube can be done in such a way that the reinforcing bars are connected adjacent to the tube with transverse distributor bars which act as stops, or by the tube with its inwardly projecting projections clamping the reinforcing bar.
  • abrasion protection consists of a helix surrounding the reinforcing bar in the form of a helical thread, the pitch of which is dimensioned such that adjacent screw threads are axially spaced apart.
  • the helix itself expediently consists of a hard plastic, so that individual gears of the helix cannot be so easily pushed apart when a reinforcing bar rests.
  • FIGS. 1 and 2 a series of successive, rectangular insulating bodies 1 made of polystyrene is laid between the components to be insulated. These insulating bodies are traversed in the upper half by a plurality of tension rods 2, in the lower half by corresponding compression rods 3 and, if appropriate, by transverse force rods (not shown further). These reinforcing bars have, at least within the insulating body and in the adjoining transition area, a corrosion-protective coating which is to be protected against abrasion, for example by steel mats or the like that drag along.
  • FIGS. 3 and 4 For this purpose, they are not arranged directly in the insulating body 1, but surrounded by a plastic tube 4 or 5, which crosses the insulating body along a recess 7 and is shown in more detail in FIGS. 3 and 4.
  • This plastic tube sits coaxially over inner longitudinal ribs 4a or 5a, forming an annular gap 6 on its reinforcement element, in FIGS. 3 and 4 on the tension rod 2.
  • the tube wall is provided with numerous openings 4b and 5b, at least at the projecting ends, which are produced by drilling or milling and in particular are also arranged in the region of the longitudinal ribs 4a and 5a. This ensures reliable filling of the annular gap 6 when concreting the components adjacent on both sides of the insulating body 1.
  • longitudinal ribs 4c and 5c are also arranged on the outside of the tube. They primarily serve as additional abrasion protection. In addition, they can also support the fastening of the tube in the insulating body if, as shown in FIG. 3, they protrude a little into the insulating body. In this case, it is only necessary to provide a cylindrical through hole in the insulating body 1; when the tube is subsequently pushed in, the longitudinal ribs 4c then dig into the elastically and plastically yielding insulating material of the insulating body 1, as a result of which the tube 4 is retained by itself.
  • the tubes can also be glued to the insulating body or attached in some other way.
  • Figure 4 differs from Figure 3 essentially in that the recess 7 in the insulating body 1 is not circular cylindrical but has an upper bulge 7a. This bulge is connected to the annular gap 6 via bores 5b and facilitates the escape of air when the concrete milk penetrates into the annular gap.
  • Figure 5 shows a tube 4 ', in which the outer ribs 4'c have been partially omitted within the insulating body; they are shown in dashed lines and only begin outside the insulating body 1 up to the pipe end to run. As a result, the tube 4 ′ is held in the insulating body 1 in a form-fitting manner in the axial direction.
  • FIG. 6 shows an alternative in which, instead of the tubes 4 and 5, helices 14 and 15 are arranged above the reinforcing bars 2 and 3, respectively.
  • these coils allow the reinforcing bars to be reliably encased in concrete, similar to the pipes described above.
  • the position of the tension and compression bars 2 and 3 is secured here, as in the exemplary embodiments described above, by distributor bars 8, which are welded to the tension or compression bars on the one hand, and are fastened with solder wire on the other.
  • distributor bars 8 which are welded to the tension or compression bars on the one hand, and are fastened with solder wire on the other.
  • the different attachment stems from the fact that the reinforcement bars can only be welded to the distribution bars 8 on one side before coating, so that they can then be inserted with the free ends into the insulating body. If the distribution rods were also welded to the free end, the coating would be destroyed again, which is why another fastening is preferred here.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Building Environments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Fireproofing Substances (AREA)

Claims (14)

  1. Elément de construction pour l'isolation thermique entre un bâtiment et une partie extérieure en saillie, constitué d'un corps isolant (1) à poser intermédiairement et doté de barreaux métalliques d'armature (2, 3), qui s'étendent transversalement au corps isolant (1) à travers ce dernier, dépassent de part et d'autre et sont protégés contre la corrosion au moins à l'intérieur du corps isolant ainsi que dans la région de transition voisine, la protection contre la corrosion étant formée, au moins pour une partie des barreaux d'armature (2, 3), par une enduction, et une protection contre l'abrasion étant en outre prévue pour cette enduction,
    caractérisé en ce que la protection contre l'abrasion est constituée d'un tube (4, 5) qui entoure le barreau d'armature (2, 3) au moins dans la région de transition, en ce que ce tube (4, 5) entoure le barreau d'armature (2, 3) en étant mis à distance par des saillies (4a, 5a) dépassant vers l'intérieur et en formant ainsi une fente annulaire (6), et en ce que les extrémités du tube (4, 5) qui dépassent du corps isolant (1) présentent une pluralité d'ouvertures (4b, 5b) dans la paroi du tube, qui permettent la pénétration de béton ou de lait de béton dans la fente.
  2. Elément de construction selon la revendication 1, caractérisé en ce que les saillies (4a, 5a) sont formées par des nervures longitudinales.
  3. Elément de construction selon la revendication 1, caractérisé en ce que les saillies présentent une hauteur d'au moins 1,5 mm, avantageusement d'environ 2 mm à environ 10 mm.
  4. Elément de construction selon la revendication 1, caractérisé en ce que les ouvertures (4b, 5b) sont disposées dans la région des nervures longitudinales (4a, 5a).
  5. Elément de construction selon la revendication 1, caractérisé en ce que les ouvertures (4b, 5b) occupent plus de 20 % de la surface de la paroi du tube, avantageusement d'environ 30 % à environ 50 %.
  6. Elément de construction selon la revendication 1, caractérisé en ce que le tube (4, 5) est également pourvu sur son côté extérieur de saillies, avantageusement sous la forme de nervures longitudinales (4c, 5c).
  7. Elément de construction selon la revendication 1, caractérisé en ce que le tube (4, 5) dépasse de part et d'autre du corps isolant (1) d'une mesure qui correspond au moins à l'épaisseur du corps isolant, notamment d'au moins 6 cm.
  8. Elément de construction selon la revendication 1, caractérisé en ce que le tube (4, 5) est réalisé en matière plastique.
  9. Elément de construction selon la revendication 1, caractérisé en ce que le tube (4, 5) est assemblé par serrage ou par collage dans le corps isolant (1).
  10. Elément de construction selon la revendication 1, caractérisé en ce que le tube (4, 5) est maintenu par des butées, notamment sous la forme de barreaux de répartition (8), s'étendant transversalement, qui sont prévus sur les barreaux d'armature (2, 3).
  11. Elément de construction selon la revendication 1, caractérisé en ce que le tube (4, 5) est assemblé par serrage à son barreau d'armature (2, 3) au moyen de saillies (4a, 5a) dépassant vers l'intérieur.
  12. Elément de construction pour l'isolation thermique entre un bâtiment et une partie extérieure en saillie, constitué d'un corps isolant (1) à poser intermédiairement et doté de barreaux métalliques d'armature (2, 3), qui s'étendent transversalement au corps isolant (1) à travers ce dernier, dépassent de part et d'autre et sont protégés contre la corrosion au moins à l'intérieur du corps isolant ainsi que dans la région de transition voisine, la protection contre la corrosion étant formée, au moins pour une partie des barreaux d'armature (2, 3), par une enduction, et une protection contre l'abrasion étant en outre prévue pour cette enduction,
    caractérisé en ce que la protection contre l'abrasion est constituée d'une hélice (14, 15) qui entoure le barreau d'armature (2, 3) à la manière d'un filetage et dont le pas est choisi de telle sorte que les filets voisins de l'hélice sont axialement distants les uns des autres.
  13. Elément de construction selon la revendication 12, caractérisé en ce que le diamètre intérieur de l'hélice (14, 15) est supérieur de quelques millimètres au diamètre extérieur du barreau d'armature (2 ou 3) qui s'étend dans cette hélice.
  14. Elément de construction selon la revendication 12, caractérisé en ce que l'hélice (14, 15) est réalisée en matière plastique.
EP93105227A 1992-05-02 1993-03-30 Elément de construction pour l'isolation thermique de bâtiments Expired - Lifetime EP0568813B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4214704A DE4214704A1 (de) 1992-05-02 1992-05-02 Bauelement zur waermedaemmung bei gebaeuden
DE4214704 1992-05-02

Publications (2)

Publication Number Publication Date
EP0568813A1 EP0568813A1 (fr) 1993-11-10
EP0568813B1 true EP0568813B1 (fr) 1996-10-23

Family

ID=6458128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93105227A Expired - Lifetime EP0568813B1 (fr) 1992-05-02 1993-03-30 Elément de construction pour l'isolation thermique de bâtiments

Country Status (3)

Country Link
EP (1) EP0568813B1 (fr)
AT (1) ATE144574T1 (fr)
DE (2) DE4214704A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423413A1 (de) * 1994-07-05 1996-01-11 Schoeck Bauteile Gmbh Bauelement zur Wärmedämmung bei Gebäuden
DE19519613C2 (de) * 1995-05-29 2000-04-13 Sfs Handels Holding Ag Heerbru Kragplatten- und/oder Fugenelement für bewehrte Baukonstruktionen
DE19638538A1 (de) * 1996-09-20 1998-03-26 Schoeck Bauteile Gmbh Bauelement zur Wärmedämmung
DE19823100C1 (de) * 1998-05-22 2000-01-13 Sfs Handels Holding Ag Heerbru Kragplatten- und/oder Fugenelement für bewehrte Baukonstruktionen
EP3730708A1 (fr) * 2019-04-23 2020-10-28 HALFEN GmbH Élément de raccordement thermo-isolant et composant thermo-isolant

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3134253A1 (de) * 1981-08-29 1983-03-10 Reent 4970 Bad Oeynhausen Obernolte "vorrichtung zum verwahren von bewehrungsstaehlen"
DE3422905A1 (de) * 1984-06-20 1986-01-02 Hansjörg Dipl.-Ing. 7542 Schömberg Braun Vorrichtung zum verbinden einer balkonplatte und einer geschossdecke
DE3446006A1 (de) * 1984-12-17 1986-07-03 Wayss & Freytag Ag, 6000 Frankfurt Korrosionsgeschuetzter bewehrungsstab zur ueberbrueckung planmaessiger bauwerksfugen
DE3739967A1 (de) * 1987-11-25 1989-06-08 Meisinger Kg M Stahltraeger fuer eine beton-kragplatte
CH676615A5 (fr) * 1988-04-22 1991-02-15 Bau Box Ewiag
CH678076A5 (en) * 1988-10-27 1991-07-31 Erico Products S A Insulating collar for reinforced concrete joints - has steel sleeves welded to one side with plastic collars on the other
DE4020582A1 (de) * 1989-07-20 1991-01-24 Schoeck Bauteile Gmbh Bauelement zur waermedaemmung bei gebaeuden
DE9014573U1 (de) * 1990-10-20 1991-02-21 Schöck Bauteile GmbH, 7570 Baden-Baden Bauelement zur Wärmedämmung bei Gebäuden

Also Published As

Publication number Publication date
DE4214704A1 (de) 1993-11-04
DE59304242D1 (de) 1996-11-28
ATE144574T1 (de) 1996-11-15
EP0568813A1 (fr) 1993-11-10

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