EP1445389A2 - Facade element and method for producing the same - Google Patents

Facade element and method for producing the same Download PDF

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Publication number
EP1445389A2
EP1445389A2 EP04000576A EP04000576A EP1445389A2 EP 1445389 A2 EP1445389 A2 EP 1445389A2 EP 04000576 A EP04000576 A EP 04000576A EP 04000576 A EP04000576 A EP 04000576A EP 1445389 A2 EP1445389 A2 EP 1445389A2
Authority
EP
European Patent Office
Prior art keywords
facade
plate
concrete
plates
groove
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.)
Withdrawn
Application number
EP04000576A
Other languages
German (de)
French (fr)
Other versions
EP1445389A3 (en
Inventor
Dieter BRINKKÖTTER
Holger Dipl.-Ing. Sasse
Original Assignee
Brinkkötter, Dieter
Holger Dipl.-Ing. Sasse
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
Priority to DE2003105273 priority Critical patent/DE10305273A1/en
Priority to DE10305273 priority
Application filed by Brinkkötter, Dieter, Holger Dipl.-Ing. Sasse filed Critical Brinkkötter, Dieter
Publication of EP1445389A2 publication Critical patent/EP1445389A2/en
Publication of EP1445389A3 publication Critical patent/EP1445389A3/en
Withdrawn legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, 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
    • E04B1/762Exterior insulation of exterior walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/64Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/288Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material

Abstract

The facade element (1) for an exterior wall facade has panels (3) of heat insulating material fastened to the concrete wall element (2). The panels on the side facing the wall element have at least one housing (5) in which engages an integrally constructed section (4) of the wall element for the fixing of the panel on the wall element. The housing is constructed as a slot which in the base region has a larger cross sectional width than in the transition region between the panel and the wall element, whereby the walls of the slot converge towards the wall element in wedge form. An independent claim is included for a procedure for the manufacture of a facade element in which concrete is cast into slots formed in extruded panels of heat insulating material for the fixing of the panel on a simultaneously constructed concrete wall element.

Description

The present invention relates to a facade element for an outer wall facade, especially for commercial construction, with a wall element made of concrete, on which Sheets are made of a heat insulating material, and a process for the production of a facade element.

There are masonry and plaster facades that are manually or industrially prefabricated Way with small prefabricated parts. Thermal insulation takes place by retrofitting external wall cladding. The production of such Facades and the assembly of the fasteners is relatively complex and expensive.

So-called reinforced concrete sandwich elements are also known, in which the outer shell consists of reinforced concrete. This bowl can be covered with different materials, such as clinker or washed concrete, or it can be colored. Thermal insulation is arranged between a front and rear shell, the connection being made in each case via stainless steel composite anchors. The three-shell structure leads to a high weight, usually over 5 kN / m 2 , which makes transportation and assembly difficult with large-format elements.

In addition, there are mainly in industrial and commercial construction through foam or Mineral wool panels insulated sheet steel facades, which themselves are not load-bearing Have properties, but only attached to a supporting structure become. They are easily deformable, in particular an impact can Cause considerable damage to the vehicle. The plate sections are not corrosion-resistant and there are sealing problems at the base transitions the eaves areas, window and gate openings as well as in corner areas on.

Furthermore, there is the problem with the known facade elements that there are none there is a reasonable possibility of recycling. The use of different materials leads to the fact that when the facade elements are torn down, they are disposed of as hazardous waste Need to become.

It is therefore an object of the present invention a facade element for a Exterior wall facade and a method for producing a facade element to create that is available ready for installation with a two-shell structure and inexpensive can be produced.

This object is achieved with a facade element with the features of the claim 1 and solved with a method with the features of claim 10.

According to the invention, the facade element is constructed with two shells and comprises one Wall element made of concrete, on which plates made of a heat-insulating material are fixed, with the plates on the side facing the wall element at least have a receptacle in which to fix the plates to the wall element an integrally formed section of the wall element engages from concrete. As a result, no additional fasteners need to be provided, to mount the panels on the concrete wall element. Rather you can the plates are fixed at the same time during the manufacture of the wall element, so that the unit of wall element and heat-insulating plate as a facade element can be delivered ready for assembly to the construction site.

According to a preferred embodiment of the invention, the at least one Recording formed as a groove, which has a larger cross-sectional width in the bottom area possesses as in the transition area between plate and wall element. Through the Forming such a tapered neck section is the plate after pouring of the concrete in the receptacle held securely on the wall element, since the thickened head portion in the groove is not simply pulled through the neck portion can be. The walls of the groove can be wedge-shaped to the wall element converge, preferably at an angle between 10 ° and 40 °, especially 20 ° and 30 °. The geometry of the groove can be dimensioned that the holding forces for the panel elements specified in accordance with the DIN standard be respected. After that, even with a certain suction force on the plate a secure connection between plate and wall element can be guaranteed. The Angle can be set so that the forces occurring in nature are safe can be included, but for a disassembly of the facade element increased forces can be applied to create a separation between To reach wall element for later recycling.

The plate is preferably made of an extruded mixture of plastic and Made of natural fibers. Wood materials, for example, can be used as natural fibers from sawdust or other lignocellulosic fibers that are used can be mixed with an extrudable plastic such as polypropylene. The amount of fibers is over 50%, preferably between 70 and 85%, so that this extrudable mixture is inexpensive to produce. Furthermore, the plate can Recycle well as the extruded material warms up even after a long time and can be deformed.

For good thermal insulation, the plate is designed as a hollow profile and into the Hollow chambers filled with a foamed plastic. The foamed material preferably consists Plastic made of the same material that is used when mixing plastic and natural fibers is used. A thermoplastic is preferably used, like polypropylene, which is used on the one hand with the natural fibers for the extruded material is miscible, but also foamed for filling the hollow chambers can be. Such a plate can then be used again heat and process and does not have to be disposed of as special waste.

This means that there are only a few different raw materials for recycling in place to facilitate reuse.

For the production of the facade element, it is advantageous if several panels are fixed to a wall element made of concrete. The plates can go through Extrude can be made in great length and then in the desired length separated and placed side by side. A too large size can be difficult to manufacture, while it is advantageous for the facade element itself, to be delivered in one piece ready for assembly over a large area, because then the assembly effort is reduced. This can be achieved if on a wall element several sheets of heat-insulating material can be defined.

A moisture diffusion from the inside out, i.e. from the wall element To allow the plate to the environment, the plate can be made from a slightly foamed Made of material or have a microperforation. Such Perforation is only optional if the diffusion resistance of the Material is too large.

Two adjacent panels are preferably connected to one another via a firedamp joint connected so that the moisture does not reach when precipitation occurs can penetrate to the wall element, but intercepted in the firedamp joint becomes. The plates are also moisture-proof against precipitation Face ends closed.

According to the inventive method for producing a facade element First, the extruded sheets are made of a heat-insulating material made with recordings arranged on one side. Then one or several plates arranged on a device for pouring concrete and Concrete in the receptacles for fixing the plate and for simultaneous production of the wall elements cast in concrete. This allows you to do it in one operation Make the wall element out of concrete and the heat-insulating ones Fix the panels to the wall element. The facade elements produced in this way are ready for installation and can be provided and assembled in large sizes.

The invention is explained in more detail below using several exemplary embodiments with reference to the accompanying drawings. Show it:

Fig. 1
a sectional view through an inventive facade element;
Fig. 2
a sectional side view of a plate of a facade element of Fig. 1;
3A, 3B, 3C
Views of several facade elements according to Figure 1 in the assembled state.
4A, 4B, 4C
several views of further facade elements according to the invention in the assembled state, and
5A, 5B, 5C
several views of a further embodiment of facade elements according to the invention in the assembled state.

A facade element 1 comprises a wall element 2 made of concrete, for example Reinforced concrete, aerated concrete or another pourable concrete material on which a heat insulating plate 3 is set. The plate 3 faces the wall element 2 facing side several strip-shaped grooves 5, which as recordings serve for protruding sections 4 of the wall element 2. The grooves 5 are in the Cross-section formed undercut and point from a bottom 19 with enlarged Wide sloping inward lateral groove walls 18. Thereby is in the area of a transition between plate 3 and wall element 2 in the area an tapered neck portion is formed on an inner wall 6 of the plate 3. The side Groove walls 18 run at an angle α to one another, which is in one area is between 10 ° and 40 °, preferably between 20 ° and 30 ° and specifies the force, that must be used to pull the plate 3 from the wall element 2.

The plate 3 is designed as a hollow profile and has between the inner wall 6 and the outer wall 7 a plurality of hollow chambers separated from one another by webs 11 on, which are filled with a foamed plastic material 12.

The plate 3 is designed so that no moisture can penetrate from the outside to the inside can, but water vapor diffusion from the inside out is possible, as required by relevant DIN standards. Such water vapor diffusion can be promoted if the extruded material is slightly foamed or is provided with a microperforation.

Between neighboring plates 3 there are horizontal weather joints 8 provided so that no moisture from the outside to the wall element 2 can penetrate. A sealing tape 9 is provided behind firedamp joint 8, which is arranged around a unit made of several facade elements 1.

The wall element 2 can be designed to be load-bearing, with adjacent ones Wall elements 2 a joint is filled with mortar 10, so that the wall elements 2 are supported directly on each other.

As can be seen in Fig. 2, the plate 3 instructs to form the firing joint 8 the underside of a downwardly open groove 13 which to the outside through a Projection 14 is covered. On the opposite top of plate 3 on the other hand, a vertically protruding bar 15 is provided which fits into the groove 13 an adjacent plate 3 can be inserted. The strip 15 is from the outside 7 the plate 3 arranged set back, from the outside 7 on the front side a run-up slope 17 is formed towards the bar 15. At the ramp 17 there is a correspondingly inclined end face of the projection 14 form-fitting. There is also an outwardly protruding hook on the bar 15 16 formed so that even if moisture between the projection 14th and the run-in slope 17 penetrates, the bar 15 with the hook 16 causes the moisture cannot reach the wall element 2. Rather, through the slope 17 removes the moisture back to the outside.

For further security, the sealing tape 9 is provided behind the impact weather joint 8, which is also arranged laterally on the plates 3 to prevent penetration of Avoid liquid safely in this area too.

The plate 3 is made of an extruded material made of a mixture from fibers, for example wood fibers and a thermoplastic, how polypropylene is made. The mass of fibers is over 50%, preferably between 70 and 85%. Due to the extrusion, the plates 3 become large Length produced and then cut to the required length. At the same time with the extrusion or subsequently the foamed filling material into the hollow chambers filled in, using the same plastic as possible for the extrusion compound is used so that future recycling can be carried out better. The plate 3 thus produced can also be burned later in an environmentally friendly manner, wherein then the thermal energy can still be used.

To produce a facade element according to the invention, one or several plates 3 produced placed side by side on a table and by Formwork elements surround. Then concrete is placed on the one or more Plates 3 poured, the concrete flows into the grooves 5 and integral with the Wall element 2 sections 4 are formed, which are held in the grooves 5. After the concrete has hardened, the facade element 1 thus produced can be used immediately to be assembled on site.

As shown in FIGS. 3A, 3B and 3C, the facade elements 1 become one Building wall assembled, preferably for industrial and commercial buildings. The stacked wall elements 2 are mortared and can thus also be designed to be load-bearing. The facade elements 1 are on posts 20 screwed, which are provided on the building like a scaffold. To seal the Facade elements 1 is the sealing tape 9 between the posts 20 and the panels 3 held clamped.

As shown in FIGS. 4A, 4B and 4C, facade elements 1 'can also be used in others Size will be provided. A facade element 1 'comprises a wall element 2 made of concrete, on which several plates 3 'are arranged adjacent to one another.

The facade elements 1 'are as in the previous embodiment fixed to posts 20 which are supported on feet 21.

In the exemplary embodiment shown in FIGS. 5A, 5B and 5C, the facade elements have 1 'Cutouts for window 22. The cutouts for the windows 22 can be produced, for example, by pouring concrete Corresponding formwork components arranged to produce the recess and the shortened panels 3 are mounted between these formwork components become. Then the windows 22 or doors can be installed in the cutouts.

The invention is not restricted to the exemplary embodiments shown. For example the shape of the grooves 5 can be varied, depending on the size of the Plates 3 are and what holding forces must be kept.

Furthermore, instead of the described mixed material made of fibers and plastic also a pure plastic material or other heat-insulating materials are used weather-resistant and no excessive wear subject to thermal stress.

Claims (10)

  1. Facade element (1) for an outer wall facade, in particular for commercial construction, with a wall element (2) made of concrete, on which plates (3) made of a heat-insulating material are fixed, characterized in that the plates (3) on the wall element (2 ) facing side have at least one receptacle (5) into which an integrally formed section (4) of the wall element (2) engages to fix the plate (3) to the wall element (2).
  2. Facade element according to claim 1, characterized in that the receptacle (5) is designed as a groove which has a larger cross-sectional width in the bottom area than in the transition area between the plate (3) and the wall element (2).
  3. Facade element according to claim 2, characterized in that the walls (18) of the groove (5) converge in a wedge shape to form the wall element.
  4. Facade element according to claim 3, characterized in that the angle (α) of the walls (18) of the groove (5) is in a range between 10 ° and 40 °, preferably between 20 ° and 30 °.
  5. Facade element according to one of claims 1 to 4, characterized in that the plate (3) is made of an extruded mixture of plastic and natural fibers.
  6. Facade element according to one of claims 1 to 5, characterized in that the plate (3) is designed as a hollow profile and the hollow chambers are filled with a foamed plastic (12).
  7. Facade element according to one of claims 1 to 6, characterized in that several plates (3) are fixed to a wall element (2) made of concrete.
  8. Facade element according to one of claims 1 to 7, characterized in that the plates (3) have a perforation on the side facing the wall element (2).
  9. Facade element according to one of claims 1 to 8, characterized in that two adjacent panels (3) are connected to one another via a firedamp joint (8).
  10. Method for producing a facade element (1) according to one of the preceding claims, comprising the following steps:
    Manufacture of an extruded plate (3) from heat-insulating material with receptacles (5) arranged on one side;
    Arranging one or more plates (3) on a device for pouring concrete, and
    Pouring concrete into the receptacles (5) to fix the plate (3) to a simultaneously made wall element (3) made of concrete.
EP04000576A 2003-02-07 2004-01-14 Facade element and method for producing the same Withdrawn EP1445389A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE2003105273 DE10305273A1 (en) 2003-02-07 2003-02-07 Facade element and method for producing a facade element
DE10305273 2003-02-07

Publications (2)

Publication Number Publication Date
EP1445389A2 true EP1445389A2 (en) 2004-08-11
EP1445389A3 EP1445389A3 (en) 2006-03-29

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EP04000576A Withdrawn EP1445389A3 (en) 2003-02-07 2004-01-14 Facade element and method for producing the same

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101892714A (en) * 2010-07-27 2010-11-24 胡永忠 Prefabricated cold and heat bridge thermal insulation board
CN102425250A (en) * 2011-09-02 2012-04-25 张吉华 Assembling-type building prefabricated reinforced concrete inner heat preservation wall body and inner-outer wallboard connecting reinforced steel bar
CN101603335B (en) * 2008-06-12 2012-05-23 黑龙江宇辉新型建筑材料有限公司 Once formed precast concrete shear wall with heat preserving veneer and production method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101255716B (en) * 2008-02-28 2010-06-02 朴孝善 Inside and outside wall with styrofoam structural frame
DE202018105997U1 (en) * 2018-10-19 2020-01-21 Rehau Ag + Co Lightweight wall module

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3445187A1 (en) * 1983-12-16 1985-06-27 Josef Wallinger Construction board
US4856248A (en) * 1985-07-19 1989-08-15 Larson Nils F Structural building element
DE8916179U1 (en) * 1989-05-06 1994-08-25 Rapp Albert Bruno Building element for buildings
WO1994023143A1 (en) * 1991-10-18 1994-10-13 Ab Dala Cementvarufabrik Method for manufacturing concrete elements and a concrete element manufactured according to the method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD72887A (en) *
DE2139464A1 (en) * 1971-08-06 1973-02-22 Ockhardt Juno Cladding plates for building - of synthetic foam

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3445187A1 (en) * 1983-12-16 1985-06-27 Josef Wallinger Construction board
US4856248A (en) * 1985-07-19 1989-08-15 Larson Nils F Structural building element
DE8916179U1 (en) * 1989-05-06 1994-08-25 Rapp Albert Bruno Building element for buildings
WO1994023143A1 (en) * 1991-10-18 1994-10-13 Ab Dala Cementvarufabrik Method for manufacturing concrete elements and a concrete element manufactured according to the method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101603335B (en) * 2008-06-12 2012-05-23 黑龙江宇辉新型建筑材料有限公司 Once formed precast concrete shear wall with heat preserving veneer and production method thereof
CN101892714A (en) * 2010-07-27 2010-11-24 胡永忠 Prefabricated cold and heat bridge thermal insulation board
CN102425250A (en) * 2011-09-02 2012-04-25 张吉华 Assembling-type building prefabricated reinforced concrete inner heat preservation wall body and inner-outer wallboard connecting reinforced steel bar
CN102425250B (en) * 2011-09-02 2013-07-24 张吉华 Assembling-type building prefabricated reinforced concrete inner heat preservation wall body and inner-outer wallboard connecting reinforced steel bar

Also Published As

Publication number Publication date
EP1445389A3 (en) 2006-03-29
DE10305273A1 (en) 2004-08-19

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RIC1 Classification (correction)

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