EP1010828B1 - Verfahren zur Herstellung eines Wandfertigteils für die Erstellung von Gebäudewänden - Google Patents
Verfahren zur Herstellung eines Wandfertigteils für die Erstellung von Gebäudewänden Download PDFInfo
- Publication number
- EP1010828B1 EP1010828B1 EP99122190A EP99122190A EP1010828B1 EP 1010828 B1 EP1010828 B1 EP 1010828B1 EP 99122190 A EP99122190 A EP 99122190A EP 99122190 A EP99122190 A EP 99122190A EP 1010828 B1 EP1010828 B1 EP 1010828B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- polyurethane foam
- concrete
- poured
- strip
- concrete surface
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/028—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members for double - wall articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
- B28B11/042—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers with insulating material
Definitions
- the present invention relates to a process for producing a Wall prefabricated part for the construction of building walls, with an inner shell and an outer shell, which are interconnected by means of carriers, and one Cavity between the two shells for subsequent pouring with Concrete or the like
- From DE-OS 21 14 827 is a method for producing a finished component known that provided the production of insulation boards shell-like, hollow prefabricated components of any shape without Removing inner formwork and without turning process in just one operation allows.
- the there suggested Method has significant advantages over the so-called turning method, in which for producing a prefabricated component with two at a distance opposite wall shell parts of the first wall shell part a flat, table-like surface with upwards from the concrete layer Concrete connecting and connecting iron concreted and after the Curing is lifted off its base.
- the lifted one Wall shell part is then turned by 180 ° and with its now with the Reinforcement for the second wall cup part provided connection and Connection iron ends in such a way on a flat surface applied concrete layer sunk that at the connection or Embedding iron ends arranged reinforcement embedded in this concrete layer is.
- the Prefabricated component finished and can then be installed at the construction site its final location be filled with in-situ concrete or lightweight concrete.
- the invention is therefore based on the object to propose a method that is the production of an already provided with an insulation wall panel of the type described above by means of an alternative turning method.
- the not yet reacting and still liquid Polyurethane foam distributed by means of a stream of air. This causes in particular if, according to a further preferred embodiment of the Polyurethane foam stripes at a constant speed on the Concrete surface is poured, a flow of material into each other Strip so that a uniform distribution on the surface is achieved.
- the method becomes simultaneously with the casting of the next strip on the previous one, before blown cast strip.
- This allows a rational operation by means of a correspondingly constructed machine, wherein according to an advantageous Embodiment circular over the two previously poured strips of air is blown. Due to the simultaneous forward movement along the The result of this is a vortex-shaped strip, extending in the longitudinal direction of the strips Moving air movement leading to the desired distribution of the Polyurethane foam on the concrete surface leads.
- the amount of air is 1 to 2 m 3 / min and the pressure 1.5 to 2 bar.
- the concrete surface can also be vibrated by means of a frequency of 5 to 7 Hz and a swing stroke of 1.5 to 3.5 mm.
- the height of the cured foam results from the original Order of the uncured polyurethane foam, the height of which again by the speed of the job for a given reaction time is determined.
- a foaming in the 40 times the height of the on the concrete slab poured liquid uncured Polyurethane foam yield.
- the polyurethane foam strips in one Distance of 15 to 20 cm applied.
- a Shuttering applied from an insulating material which is a drain of the liquid Polyurethane foam prevents from the concrete slab and preferably one Has height, the later hardened polyurethane foam layer equivalent.
- the adhesion of the polyurethane foam on the Concrete surface has proved to be the concrete surface before application of the polyurethane foam.
- the temperature range has changed a range of from 150 ° C to 50 ° C, preferably from 30 ° C to 35 ° C.
- a further advantageous embodiment of the method is for To achieve a good adhesion and a corresponding foaming of the Polyurethane foam on the concrete surface with a viscosity of 500 to 1500 mPas poured.
- the required insulation values can be achieved easily.
- the cavity is poured out in a known manner, so that a high stability results from seamless casting.
- the smooth Outer shell can be applied directly to the base coat and the fine plaster, thus the construction time is shortened and the accumulating activities after the Erecting the walls reduced.
- FIG. 1 shows a side sectional view through an invention trained wall panel with the outer shell 1 and the distance to the Outer shell 1 arranged inner shell 3.
- the outer shell 1 and the Inner shell 3 are connected via known KTW carrier, each consisting of a Upper chord 5 and two lower chords 4 and diagonal connections 6 exist.
- the peculiarity of this KTW carrier used in the embodiment is that they are made of a non-rusting material, such as V2A, V4A or hot dip galvanized steel.
- a porous insulating layer 2 of polyurethane foam in several layers applied to the desired thickness.
- the Insulating layer 2 is a resin foam system from LACKFA Isolierstoff GmbH + Co in 25462 Rellingen, which is marketed under the brand name LAMOLTAN.
- LAMOLTAN a resin foam system from LACKFA Isolierstoff GmbH + Co in 25462 Rellingen, which is marketed under the brand name LAMOLTAN.
- the Insulating layer is depending on the desired insulation 2 to 15 cm and the Cavity 7 at least 8 cm, to ensure adequate mechanical stability guarantee.
- the individual KTW carriers are usually in one Distance of 50 cm over the length of the finished wall panel arranged.
- the Insulating layer 2 consists of several layers which successively on the inside. 8 the outer shell 1 are applied. In the figure are symbolically two layers shown.
- the polyurethane foam By using the polyurethane foam is a good Adhesion of the foam on the one hand on the inside 8 and the individual layers guaranteed among each other.
- the application of the individual layers of Insulating layer 2 is required because the material is applied liquid and therefore only tolerates the order of a certain amount as long as it is not foamed, d. H. has hardened.
- the polyurethane foam prior to the rotation of the outer shell 1 on the concrete surface of the inside of the outer shell is to achieve a full-surface adhesion between the concrete and the polyurethane foam this to a dry, dust-free and a preferred temperature of 30 ° C to 35 ° C having concrete surface poured.
- the pouring takes place strip-shaped at intervals of 15 to 20 cm, at the same time with a frequency of 5 to 7 Hz and a stroke of 1.5 to 3.5 mm, the concrete surface can be shaken.
- the polyurethane foam material can be blown by means of adjustable in a range of 30 to 80 Pa (3-7 bar) adjustable air nozzles with a pressure of 70 Pa (7 bar), so that the Ausgußmaterial sprays apart.
- adjustable in a range of 30 to 80 Pa (3-7 bar) adjustable air nozzles with a pressure of 70 Pa (7 bar) so that the Ausgußmaterial sprays apart.
- the air vortex causes these two strips to be blown together seamlessly.
- the movement of the air gyroscope in the longitudinal direction of the strips takes place at the same speed as the discharge of the polyurethane foam, so that in an automatic method, only a speed feed is required.
- a vortex-shaped air movement is generated on the already cast strip 10, 11.
- the amount of air is in one embodiment, 1.5 m 3 / min, being blown with a pressure of 1.5 to 2 bar.
- an optimal adhesion of the polyurethane foam can be achieved on the concrete surface, for example, the uncured liquid polyurethane foam is poured in a thickness of 2 mm and then after curing has a thickness of 40 cm.
- a prefabricated wall with an insulation can thus cost-effective and fast getting produced.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Building Environments (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Laminated Bodies (AREA)
- Load-Bearing And Curtain Walls (AREA)
- Panels For Use In Building Construction (AREA)
Description
- Figur 1
- einen Schnitt durch eine Fertigteilwand und
- Figur 2
- eine Draufsicht auf frei aufgebrachte Polyurethan-Schaum-Streifen.
Claims (12)
- Verfahren zur Herstellung eines Wandfertigteils für die Erstellung von Gebäudewänden mit einer Innenschale (3) und einer Außenschale (1) aus Beton, die über Träger (4-6) miteinander verbunden sind, und einem Hohlraum (7) zwischen den beiden Schalen zum nachträglichen Ausgießen mit Beton, dadurch gekennzeichnet, dass nach dem Betonieren der Außenschale (1) auf einer Metallplatte bei gleichzeitigem Einbetonieren von Stahlträgem (4-6) in einer oder mehreren Lagen ein Polyurethan-Schaum (2) auf die Innenseite der Außenschale (1) aufgebracht wird, und nach dem Aushärten das bis dahin fertiggestellte Teil gedreht und zur Herstellung der Innenschale (3) mit den aus dem Polyurethan-Schaum (2) herausragenden freien Enden der Stahlträger (4-6) in ein auf einer Metallplatte befindliches Betonbett eingetaucht und anschließend ausgehärtet wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der noch nicht reagierende und noch flüssige Polyurethan-Schaum mittels eines Luftstroms verteilt wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Polyurethan-Schaum mit einer konstanten Geschwindigkeit streifenförmig auf die Betonfläche aufgegossen wird.
- Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß gleichzeitig mit dem Gießen des nächsten Streifens auf den vorangegangenen Streifen geblasen wird.
- Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß gleichzeitig mit dem Gießen eines Streifens wirbelförmig Luft über die beiden zuvor aufgegossenen Streifen geblasen wird.
- Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß die Luftmenge 1 bis 2 m3/min und der Druck 1,5 bis 2 bar beträgt.
- Verfahren nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, daß zur gleichmäßigen Verteilung die Bodenfläche mittels eines Schwingverdichters mit einer Frequenz von 5 bis 7 Hz und einem Hub von 1,5 bis 3,5 mm gerüttelt wird.
- Verfahren nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, daß die Höhe des Polyurethan-Schaumes durch die Geschwindigkeit des Auftragens gesteuert wird.
- Verfahren nach einem der vorangegangenen Ansprüche 2 bis 7, dadurch gekennzeichnet, daß die unausgehärteten Polyurethan-Schaumstreifen in einem Abstand von 15 bis 20 cm aufgebracht werden.
- Verfahren nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, daß vor dem Aufbringen des unausgehärteten flüssigen Polyurethan-Schaumes am Umfang der Betonfläche eine Abschalung aus einem Isolierstoff aufgebracht wird.
- Verfahren nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, daß die Betonfläche vor dem Aufbringen des Polyurethan-Schaumes auf eine Temperatur von 15°C bis 50°C, vorzugsweise 30°C bis 35°C , temperiert wird.
- Verfahren nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, daß der Polyurethan-Schaum auf die Betonfläche mit einer Viskosität von 500 bis 1500 mPas gegossen wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19858438 | 1998-12-17 | ||
DE1998158438 DE19858438C1 (de) | 1998-05-26 | 1998-12-17 | Verfahren und Herstellung eines Wandfertigteils für die Erstellung von Gebäudewänden |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1010828A2 EP1010828A2 (de) | 2000-06-21 |
EP1010828A3 EP1010828A3 (de) | 2001-08-29 |
EP1010828B1 true EP1010828B1 (de) | 2004-06-09 |
Family
ID=7891536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99122190A Expired - Lifetime EP1010828B1 (de) | 1998-12-17 | 1999-11-06 | Verfahren zur Herstellung eines Wandfertigteils für die Erstellung von Gebäudewänden |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1010828B1 (de) |
AT (1) | ATE268846T1 (de) |
DE (1) | DE59909684D1 (de) |
PL (1) | PL190500B1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2767373A1 (de) | 2013-02-15 | 2014-08-20 | Bayer MaterialScience AG | Verfahren zur Herstellung eines mehrschichtigen, bewehrten Betonelements |
WO2015101549A1 (en) | 2013-12-31 | 2015-07-09 | Bayer Materialscience Ag | Process for preparing a precast polyurethane-based concrete insulation element and element obtained by such process |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2430910B (en) * | 2005-10-05 | 2011-01-05 | John Keegan | Construction of a concrete panel |
ES2310138B1 (es) * | 2007-06-08 | 2009-09-22 | Navarra Intelligent Concrete System, S.L. | Metodo de fabricacion de paneles de doble pared de hormigon. |
FR2986810B1 (fr) * | 2012-02-09 | 2014-12-19 | Faceinvent S A | Procede de fabrication d'une structure pour la construction de batiment |
CN109723162A (zh) * | 2018-12-05 | 2019-05-07 | 莱芜职业技术学院 | 一种建筑物复合墙体的施工方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2114827A1 (de) | 1971-03-26 | 1972-10-12 | Hubmann, Georg, 8000 München | Verfahren zum Betonieren schalen artiger hohler Fertigteilbauelemente |
FI69178C (fi) * | 1980-03-28 | 1985-12-10 | Heikki Saetilae | Byggnadssystem baserat pao tunna betongplattor och kassettelement foer genomfoerande av detsamma |
DE19642780A1 (de) * | 1996-10-17 | 1998-04-23 | Loesch Gmbh Betonwerke | Wandbauelement |
-
1999
- 1999-11-06 DE DE59909684T patent/DE59909684D1/de not_active Expired - Lifetime
- 1999-11-06 AT AT99122190T patent/ATE268846T1/de active
- 1999-11-06 EP EP99122190A patent/EP1010828B1/de not_active Expired - Lifetime
- 1999-11-17 PL PL99336606A patent/PL190500B1/pl unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2767373A1 (de) | 2013-02-15 | 2014-08-20 | Bayer MaterialScience AG | Verfahren zur Herstellung eines mehrschichtigen, bewehrten Betonelements |
WO2014124886A1 (de) * | 2013-02-15 | 2014-08-21 | Bayer Materialscience Ag | Verfahren zur herstellung eines mehrschichtigen, bewehrten betonelements |
WO2015101549A1 (en) | 2013-12-31 | 2015-07-09 | Bayer Materialscience Ag | Process for preparing a precast polyurethane-based concrete insulation element and element obtained by such process |
Also Published As
Publication number | Publication date |
---|---|
DE59909684D1 (de) | 2004-07-15 |
EP1010828A3 (de) | 2001-08-29 |
PL336606A1 (en) | 2000-06-19 |
PL190500B1 (pl) | 2005-12-30 |
ATE268846T1 (de) | 2004-06-15 |
EP1010828A2 (de) | 2000-06-21 |
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