EP0658660B1 - Elément de construction pour isolation thermique - Google Patents

Elément de construction pour isolation thermique Download PDF

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Publication number
EP0658660B1
EP0658660B1 EP94119465A EP94119465A EP0658660B1 EP 0658660 B1 EP0658660 B1 EP 0658660B1 EP 94119465 A EP94119465 A EP 94119465A EP 94119465 A EP94119465 A EP 94119465A EP 0658660 B1 EP0658660 B1 EP 0658660B1
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EP
European Patent Office
Prior art keywords
insulating body
structural member
member according
bars
shear force
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
EP94119465A
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German (de)
English (en)
Other versions
EP0658660A1 (fr
Inventor
Armin Schumacher
Gerhard Trunz
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Schoeck Bauteile GmbH
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Schoeck Bauteile GmbH
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Filing date
Publication date
Application filed by Schoeck Bauteile GmbH filed Critical Schoeck Bauteile GmbH
Publication of EP0658660A1 publication Critical patent/EP0658660A1/fr
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Publication of EP0658660B1 publication Critical patent/EP0658660B1/fr
Anticipated expiration legal-status Critical
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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

Definitions

  • the invention relates to a component for thermal insulation between two components to be concreted, in particular between a building and a cantilevered outer part, consisting of one to be installed in between Insulating body with integrated metallic pull, Compression and shear force bars that run across the insulating body extend through it and on both sides protrude into the components to be concreted, the Shear bars are bent so that they start from the building side diagonally from top to bottom through the Insulator run through and then in the area of Pressure zone in the direction of the cantilever to be concreted Project the outer part.
  • Such components allow cantilevered concrete parts especially balcony or loggia panels with the to connect the corresponding false ceiling of a building and the usual thermal bridges as far as possible to eliminate. They therefore sit down in practice through more and more and are now in numerous Embodiments known (DE-A-3 005 571, EP-A-0 121 685, EP-A-0 338 972 and DE-A-43 02 682).
  • each insulating body is made up of several equipped with horizontally continuous tension and compression rods, to absorb the bending moment at the clamping point serve while the shear bars from the Building side starting at an angle from top to bottom the insulator must pass through to the weight of the cantilevered outer part. They then run outside of the insulating body as well the tension and compression bars continue horizontally to provide adequate Covering with the connecting reinforcement of the to ensure concrete components bordering on both sides.
  • the present invention is based on the knowledge that that the thermal separation brought about by the standing components is achieved, even then it is desirable if the to be isolated from each other Components not from in-situ concrete but from factory prefabricated hollow body panels exist.
  • the invention is therefore the task at the beginning to improve the known components described, that they also connect to one or with two hollow body panels are suitable and safe in this condition can be transported.
  • the invention is based on the idea that the inventive Components not only on site, but already at the production site of the hollow body panels installed, i.e. with the two adjacent concrete components need to be connected.
  • the components are but then, especially during transport and storage exposed to the risk of stress for which they are not designed because, in contrast to the Pour with in-situ concrete where the components are in place and Remain in place, it can be transported with the invention Components assembled hollow body panels cause completely different burdens than with a resting balcony slab.
  • the invention those in the lower area of the insulator arranged push rods extended on both sides as this was previously only necessary for tension rods. It's playing therefore no longer matter whether in transport or in the Bearings transfer positive or negative bending moments Need to become.
  • Shear bars running in mirror image in the Insulating bodies are integrated, starting from the Building side not from above but from below into the Enter the insulating body and then diagonally upwards walking through it are also regarding Shear force absorption in both load directions equally covered.
  • a sufficient concrete covering of the shear bars ensure they are preferred in the Arranged in the middle of the and pressure rods, which may be in the same intermediate web run laterally opposite the central area are offset.
  • the hollow body plates can be integrated, they have recesses that line the cavities are assigned to the adjacent hollow body ceilings, if necessary immediately cursed with it. These recesses be after pulling out for the hollow body responsible displacement body closed, and expediently through molded parts, each pulled through the cavities of the plate or inserted into the joint from above. In the latter Case must be through appropriate formwork elements be ensured that when concreting the Joint area not full of concrete; therefore recommends it is necessary to provide recesses with a closed circumference, the approximately with the cavities in the hollow body plate align and with a simple cylindrical Molding can be closed.
  • This molding can consist of two parts with an inclined parting line, so that one along with relative displacement of both parts this parting line receives a change in cross-section, the jamming in the recess of the insulating body facilitated.
  • a particularly useful embodiment of the invention is characterized in that the insulating body drainage channels having. This makes it possible for water that is due to leaks in the balcony slab in the cavities of the projecting hollow body plate collects, discharges in a controlled manner so that it is not in penetrate the adjacent masonry or its plastering can. At the same time you can see that the seal, for example not in order within the balcony covering is.
  • the drainage channels are expedient the recesses and run to the bottom of the Insulator, where appropriate, if necessary, to a further Bus line can be connected.
  • the insulating body has a lower Height than the adjacent hollow body panels, i.e. the top of the insulator is opposite the top of the adjacent hollow body panels is a little bit down. This ensures that the horizontally back and forth planks to remove the soft tops of the slabs Can not damage the insulating body.
  • Another favorable design is the insulating body at least below, preferably also above, with fire protection panels to equip. To the different Taking into account thermal stress becomes the lower Fire protection plate thicker than the upper one, such that they are about 15 to 25 mm, the upper against is only about 5 to 10 mm thick.
  • Figure 1 shows two concrete slabs 1 and 2, at least of which the front, but usually also the rear is designed as a hollow body plate. You point a series of parallel, continuous cylindrical cavities 1a, the separated from each other by intermediate webs 1b are. Of course, the cavities can be la also closed at one end or at both ends be.
  • One of the two hollow body panels is to be erected in the Serve the building as a balcony or loggia plate and therefore opposite the one inside the building another plate to be insulated to prevent heat dissipation to prevent or reduce outdoors. This is in the joint between the two plates 1 and 2 the invention Component 3 installed. Its structure results itself from the following figures.
  • the component is made lighter Handling from two halves 3a and 3b, essentially are constructed the same way, namely from an elongated Insulator 4, the height of the wall thickness of the Hollow body panels is adapted and its thickness depending on the desired insulation is 6 cm to 12 cm. He is horizontal from numerous cylindrical openings 4a crosses with the openings la of the adjacent Align hollow body panels.
  • the tension and compression rods 5, 6 run horizontally through the insulating body 4 through it.
  • shear bars in the insulator 7 and 7 'integrated along a vertical plane run diagonally through the insulating body, outside of it, however, then horizontally are bent so that they are approximately at the level of the train and of the pressure rods in the adjacent hollow body plates run.
  • the pressure rods 6 are dimensioned and such an anchoring length in the adjacent Concrete components have that they can also be used as tension rods act and absorb about the same tensile stresses can like the tension rods 5.
  • the shear bars 7 itself with transverse bars arranged in mirror image 7 'alternate so that they shear in can accommodate both vertical directions.
  • each intermediate web 1b of the hollow body plate a tension rod 5, a compression rod 6, a transverse force rod 7 and a clip 8 assigned.
  • the reinforcement only in each provide second intermediate web 1b or the intermediate webs alternately only with tension and compression rods together with Plug-in brackets or only to be equipped with shear bars.
  • Figure 4a shows practically the same insulating body as Figure 4. It is only a little shorter and therefor with a fire protection plate 44 on the top and on the underside with a fire protection plate 45 equipped, for example, from a fiberglass-reinforced Lightweight board can exist.
  • the fire protection panel 44 extends on both sides across the width of the insulating body 4 in addition to any Gaps due to the tensile stress between the insulating body and shield the adjacent concrete components, what is arranged in the lower in the printing area Fire protection plate 45 is generally not necessary is. The latter is designed a little thicker.
  • Figure 5 shows that the insulating body 4 almost from two mirror-image sections 4 'and 4' 'assembled is.
  • the parting line between the two sections is placed so that all areas of the insulating body, where the reinforcing bars run, are touched. So are in the upper section 4 'recesses 40 for Tension rods and recesses 41 for the shear bars and in the lower section 4 '' recesses 42 for the shear bars and 43 for the pressure rods, each with corresponding counter surfaces of the other section correspond.
  • This allows all reinforcement bars can be easily positioned in the transverse direction therefore not pushed lengthways through the insulating body and after assembling the two sections 4 'and 4' 'they are due to each other corresponding counter surfaces reliably fixed.
  • Figure 6 shows a plug 10 in plan view and side view, to close the openings 4a of the insulating body is used. It is dimensioned that it holds by clamping in the openings.
  • Figure 7 shows another alternative to closing of the openings.
  • the openings 4a are initially open at the top and are then replaced by a suitable Insert 11 closed with an approximately U-shaped contour.
  • a suitable Insert 11 closed with an approximately U-shaped contour.
  • the area of the insulator that is later covered by the Inserts 11 should be closed by a corresponding Molding are occupied, that only the Leaves openings 4a free.
  • Figure 9 shows schematically the production of two an inventive component connected hollow body panels.
  • the all correspondingly from edge storage not shown the dimensions of the concrete slabs is initially surrounded lower reinforcement layers 60 for the concrete components 1 and 2 laid at the prescribed distance.
  • Component 3 according to the invention introduced in the joint area and its lower reinforcement bars with the reinforcement layers 60 of the two concrete components lashed (fig 9b).
  • Side displacement body 21 retracted, the Insulating body 4 is assigned to them so that this displacement body along the insulating body Cross openings 4a ( Figures 9c and 9d).
  • top reinforcement layer is put on 61, with the upper reinforcing bars of the insulator be connected ( Figure 9d), and the potting of the concrete can begin.
  • Figure 10 shows that the plug 10 in its lower area a recess 10d carries with the water drainage channel 12 of the insulating body corresponds and facilitates the drain. This is particularly important when in the cavities la the concrete slabs with concrete crumbs and the like can be expected, resulting in a small drainage cross-section could be clogged.
  • Figures 11 to 13 show another variant for closing the openings 4a in the insulating body.
  • a radially elastic ring 110 is used, part of its circumference inside is dented.
  • This dent 110a is replaced by a corresponding form 111 of that used for insertion Maintain stamp.
  • This dent can the ring 110 without chafing through the cavity la der Adjacent hollow body ceiling to be inserted, though he is in a relaxed state to a larger extent has than it corresponds to the cavity la.
  • the ring 110 is thus dented by the slide 111 pushed into the recess 4a and in there brought its relaxed, no longer dented shape. This can be done in that the lower part 111a the slide 11, which is responsible for the dent is withdrawn, whereby the ring 110 automatically relaxed to the outside and in the recess 4a of the insulating body is jammed.
  • the ring 110 can be cylindrical or also conical.
  • Essential is that the ring 110 in its lower area similar to the plug shown in Figure 10 has a recess 110b that is one-sided or is arranged on both sides and which the outflow of Water from the cavities 1a or 2a to the water drainage channel 12 of the insulating body allowed.
  • the slide is on has several protruding needles on its front, which carry the plug 112. This can do not twist the plug when inserting it, which is important if it is in the lower range Has drainage recesses.
  • This insertion process is from the plug and the slide generally carried as much concrete slurry with it, that the plug is not even conical Training sufficiently jammed in the insulating body and its position in the insulating body when the slide is removed maintains. So that the insertion movement of the slide is not too short or too long, it is recommended that it has a stop at its rear end.
  • a "top / bottom" marking can also be placed there when it comes down to it, the plug due to a drainage recess at an angle to use.
  • the invention is characterized by optimal suitability for hollow body panels.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Building Environments (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Glass Compositions (AREA)
  • Thermal Insulation (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Insulated Conductors (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Resistance Heating (AREA)

Claims (22)

  1. Elément de construction (3) servant à créer une isolation thermique entre deux parties d'ouvrage (1, 2) à bétonner, en particulier entre un bâtiment et une partie extérieure saillante, comprenant un corps isolant (4) à placer entre ces parties d'ouvrage et dans lequel sont intégrées des barres métalliques d'armature (5, 6, 7) formant des barres tendues, des barres comprimées et des barres soumises aux efforts de cisaillement, qui s'étendent transversalement par rapport au corps isolant (4) à travers celui-ci et dépassent des deux côtés de ce corps dans les parties d'ouvrage (1, 2) à bétonner, les barres de cisaillement (7) étant courbées, de manière qu'à partir du côté bâtiment, elles s'étendent obliquent de haut en bas à travers le corps isolant (4) et dépassent ensuite, dans la zone de compression, en direction de la partie extérieure saillante à bétonner,
    caractérisé en ce que l'élément de construction (3) est combiné avec une ou deux plaques ou dalles creuses (1, 2) préfabriquées et en elles-mêmes connues, qui présentent des cavités (1a) s'étendant perpendiculairement à l'élément de construction (3) et séparées par des parties intermédiaires pleines ou entretoises (1b), les barres comprimées (6), disposées dans la zone inférieure du corps isolant (4), étant prolongées, des deux côtés, de manière que, en raison de leur longueur d'ancrage, elles puissent également agir comme des barres tendues, et qu'à la place d'une partie des barres de cisaillement (7) mentionnées, des barres de cisaillement (7') de disposition symétrique sont intégrées dans le corps isolant (4), lesquelles s'étendent, à partir du côté bâtiment, obliquement de bas en haut à travers le corps isolant, la position des barres tendues, comprimées et de cisaillement (5, 6, 7) dans le corps isolant (4) étant accordée à l'espacement des entretoises (1b).
  2. Elément de construction selon la revendication 1, caractérisé en ce que des nombres à peu près égaux de barres de cisaillement normales (7) et de barres de cisaillement de disposition symétrique (7') sont placées dans le corps isolant (4).
  3. Elément de construction selon la revendication 1, caractérisé en ce que les barres de cisaillement normales (7) et les barres de cisaillement de disposition symétrique (7') sont placées au moins à peu près alternativement dans le corps isolant (4).
  4. Elément de construction selon la revendication 1, caractérisé en ce que les barres de cisaillement (7, 7') sont chacune coordonnées à peu près à la zone verticale médiane d'une entretoise (1b) de la dalle ou des dalles creuses adajacentes.
  5. Elément de construction selon la revendication 1, caractérisé en ce que les barres tendues (5) et les barres comprimées (6) sont décalées latéralement par rapport à la zone médiane des entretoises (1b).
  6. Elément de construction selon la revendication 1, caractérisé en ce que le corps isolant (4) présente des évidements (4a) coordonnés aux cavités (1a) de la dalle ou des dalles creuses adjacentes.
  7. Elément de construction selon la revendication 6, caractérisé en ce que les évidements (4a) peuvent être fermés par des pièces façonnées (10, 110, 112) pouvant être mises en place longitudinalement ou transversalement.
  8. Elément de construction selon la revendication 7, caractérisé en ce que les pièces façonnées (10, 110, 112) peuvent être coincées dans les évidements (4a).
  9. Elément de construction selon la revendication 7 ou 8, caractérisé en ce que les pièces façonnées (10) sont formées de deux parties (10b, 10c) déplaçables l'une par rapport à l'autre le long d'une face oblique (10a).
  10. Elément de construction selon la revendication 7, caractérisé en ce que les pièces façonnées sont formées d'un anneau d'étanchéité (110) radialement élastique, pouvant en particulier être enfoncé sur une partie de sa périphérie, ainsi que d'un bouchon (112) intraduisible dans cet anneau.
  11. Elément de construction selon la revendication 1, caractérisé en ce que le corps isolant (4) présente des canaux d'évacuation d'eau (12, 13, 14).
  12. Elément de construction selon la revendication 11, caractérisé en ce que les canaux d'évacuation d'eau (12, 13, 14) partent des évidement (4a) et mènent à l'extrémité inférieure du corps isolant (4).
  13. Elément de construction selon la revendication 11, caractérisé en ce que les canaux d'évacuation d'eau (12, 13, 14) présentent au moins un raccordement pour un conduit collecteur menant à un autre endroit.
  14. Elément de construction selon les revendication 7 et 11, caractérisé en ce que les pièces façonnées (10, 110, 112) présentent des évidements (10d, 110b) dans la zone des canaux d'évacuation d'eau (12, 13).
  15. Elément de construction selon la revendication 7, caractérisé en ce que les pièces façonnées (10) sont sous-dimensionnées par rapport aux évidements (4a) et leur coincement dans les évidements s'effectue localement par de la laitance de béton entraínée lors de la mise en place de la pièce façonnée (10).
  16. Elément de construction selon la revendication 1, caractérisé en ce que la dalle creuse saillante (1 ou 2) présente des orifices d'écoulement s'étendant vers le bas à partir de ses cavités (1a).
  17. Elément de construction selon la revendication 1, caractérisé en ce que le corps isolant (4) possède une plus faible hauteur que les dalles creuses (1, 2) adjacentes.
  18. Elément de construction selon la revendication 1, caractérisé en ce que le corps isolant (4) est garni au moins en bas et de préférence également en haut de plaques de protection contre le feu (44, 45).
  19. Elément de construction selon la revendication 18, caractérisé en ce que la plaque inférieure (45) de protection contre le feu est plus épaisse que la plaque supérieure (44), la plaque inférieure ayant en particulier une épaisseur d'environ 15 à 25 mm et la plaque supérieure ayant en particulier une épaisseur d'environ 5 à 10 mm.
  20. Elément de construction selon la revendication 18, caractérisé en ce que la plaque supérieure (44) de protection contre le feu est plus large que le corps isolant (4) et s'étend des deux côtés dans les dalles creuses adjacentes (1, 2).
  21. Elément de construction selon la revendication 18, caractérisé en ce que le corps isolant (4), y compris ses plaques (44, 45) de protection contre le feu, possède une plus faible hauteur, en particulier d'environ 3 à 6 mm, que les dalles creuses (1, 2) adjacentes.
  22. Elément de construction (3) servant à créer une isolation thermique entre deux parties d'ouvrage (1, 2) à bétonner, en particulier entre un bâtiment et une partie extérieure saillante, comprenant un corps isolant (4) à placer entre ces parties d'ouvrage et dans lequel sont intégrées des barres métalliques d'armature (5, 6, 7) formant des barres tendues, des barres comprimées et des barres soumises aux efforts de cisaillement, qui s'étendent transversalement par rapport au corps isolant (4) à travers celui-ci et dépassent des deux côtés de ce corps dans les parties d'ouvrage (1, 2) à bétonner, les barres de cisaillement (7) étant courbées, de manière qu'à partir du côté bâtiment, elles s'étendent obliquent de haut en bas à travers le corps isolant (4) et dépassent ensuite, dans la zone de compression, en direction de la partie extérieure saillante à bétonner, caractérisé en ce que l'élément de construction (3) peut être combiné avec une ou deux plaques ou dalles creuses (1, 2) préfabriquées et en elles-mêmes connues, qui présentent des cavités (1a) s'étendant perpendiculairement à l'élément de construction (3) et séparées par des parties intermédiaires pleines ou entretoises (1b), les barres comprimées (6), disposées dans la zone inférieure du corps isolant (4), étant prolongées, des deux côtés, de manière que, en raison de leur longueur d'ancrage, elles puissent également agir comme des barres tendues, et qu'à la place d'une partie des barres de cisaillement (7) mentionnées, des barres de cisaillement (7') de disposition symétrique sont intégrées dans le corps isolant (4), lesquelles s'étendent, à partir du côté bâtiment, obliquement de bas en haut à travers le corps isolant, la position des barres tendues, comprimées et de cisaillement (5, 6, 7) dans le corps isolant (4) étant accordée à l'espacement des entretoises (1b).
EP94119465A 1993-12-15 1994-12-09 Elément de construction pour isolation thermique Expired - Lifetime EP0658660B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4342673A DE4342673A1 (de) 1993-12-15 1993-12-15 Bauelement zur Wärmedämmung
DE4342673 1993-12-15

Publications (2)

Publication Number Publication Date
EP0658660A1 EP0658660A1 (fr) 1995-06-21
EP0658660B1 true EP0658660B1 (fr) 1999-03-24

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EP94119465A Expired - Lifetime EP0658660B1 (fr) 1993-12-15 1994-12-09 Elément de construction pour isolation thermique

Country Status (8)

Country Link
US (1) US5799457A (fr)
EP (1) EP0658660B1 (fr)
AT (1) ATE178110T1 (fr)
CZ (1) CZ283486B6 (fr)
DE (2) DE4342673A1 (fr)
DK (1) DK0658660T3 (fr)
HU (1) HU216426B (fr)
PL (1) PL306273A1 (fr)

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DE10019014A1 (de) 2000-04-17 2001-10-18 Mea Meisinger Stahl & Kunststo Wärmedämmendes, Brandgeschütztes Anschlussbauteil zum Anschluss eines Getragenen an ein Tragendes Bauteil und Verfahren zur Verbindung des Anschlussbauteils mit dem Getragenen oder Tragenden Bauteil
FR2887905B1 (fr) * 2005-06-30 2007-08-31 Lafarge Sa Rupteur thermique
DE102005039025A1 (de) * 2005-08-18 2007-02-22 Schöck Bauteile GmbH Bauelement zur Wärmedämmung
US20100223870A1 (en) * 2009-03-04 2010-09-09 Cincinnati Thermal Spray Inc. Structural Member and Method of Manufacturing Same
DE102009011616A1 (de) * 2009-03-04 2010-09-09 Schöck Bauteile GmbH Schalungsvorrichtung und Verfahren zum Schaffen einer Aussparung beim Gießen eines Bauteils
PL2233664T3 (pl) * 2009-03-12 2011-04-29 Gerhard Krummel Urządzenie do łączenia betonowych prefabrykatów
DE102010016096B3 (de) * 2010-03-23 2011-06-16 Max Frank Gmbh & Co. Kg Kragplattenanschlusselement
CA2776632C (fr) * 2011-05-11 2019-08-13 Composite Technologies Corporation Dispositif de transfert de charge
DK2653625T3 (en) * 2012-04-20 2019-03-11 Halfen Gmbh Thermally insulating structural element
US8973317B2 (en) 2013-05-13 2015-03-10 James Larkin Thermal break for concrete slab edges and balconies
BE1023959B1 (nl) * 2016-03-17 2017-09-22 Plakabeton Nv Brandwerend constructie-element voor het realiseren van een verbinding tussen thermisch geisoleerde delen van een gebouw
DE102016124736A1 (de) * 2016-12-19 2018-06-21 Schöck Bauteile GmbH Bauelement zur Wärmedämmung
WO2019140071A1 (fr) * 2018-01-10 2019-07-18 Jencol Innovations, Llc Barrière thermique pour dalles de béton
RO137111A2 (ro) 2021-05-31 2022-11-29 Zirabis Domum S.R.L. Structură de susţinere pentru anveloparea termică a imobilelor, mod de realizare şi mod de utilizare
CN115506538B (zh) * 2022-09-21 2024-06-21 黄均贤 一种由复合连接组件制成的混凝土骨架结构及搭建方法

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EP0338972A1 (fr) * 1988-04-22 1989-10-25 Bau-Box Ewiag Elément de raccordement pour panneau en porte-à-faux

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EP0658660A1 (fr) 1995-06-21
CZ313594A3 (en) 1995-07-12
HUT68432A (en) 1995-06-28
US5799457A (en) 1998-09-01
CZ283486B6 (cs) 1998-04-15
HU9403595D0 (en) 1995-02-28
DK0658660T3 (da) 1999-05-25
ATE178110T1 (de) 1999-04-15
DE59408001D1 (de) 1999-04-29
HU216426B (hu) 1999-06-28
DE4342673A1 (de) 1995-06-22
PL306273A1 (en) 1995-06-26

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