EP1022389A2 - Shuttering for industrial floors - Google Patents

Shuttering for industrial floors Download PDF

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Publication number
EP1022389A2
EP1022389A2 EP00101333A EP00101333A EP1022389A2 EP 1022389 A2 EP1022389 A2 EP 1022389A2 EP 00101333 A EP00101333 A EP 00101333A EP 00101333 A EP00101333 A EP 00101333A EP 1022389 A2 EP1022389 A2 EP 1022389A2
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EP
European Patent Office
Prior art keywords
profile
formwork
formwork element
profiles
concrete
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EP00101333A
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German (de)
French (fr)
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EP1022389B1 (en
EP1022389A3 (en
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Christoph Kämmerling
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
    • E01C11/08—Packing of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17—Floor structures partly formed in situ
    • E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
    • E04F15/14—Construction of joints, e.g. dividing strips

Definitions

  • the invention relates to a formwork element Formwork element as part of a lost Formwork for industrial floors made of concrete, the Formwork essentially from the edges of a Concrete field protective formwork element as well if necessary a shim, spacers, Sliding plates and sliding dowels exist, which Formwork element made of two folded profiles There is metal sheet, which is installed vertically directed legs almost without gap to each other are arranged and their horizontal legs are directed away from each other and the Form a footprint on the ground.
  • Such industrial floors are used, for example, in Driving range of forklift vehicles, others Vehicles, especially in the area of shelf and High-bay systems or in cold stores and freezers used. It is essential that the individual Approximately concrete fields of the industrial floor be connected to each other without gaps, whereby the formwork elements protect the edges the concrete fields should be reached.
  • Industrial flooring in such a way that on one A film is applied to the surface then formwork elements are applied.
  • To the Formwork elements are arranged with sliding dowels the vertical legs of the formwork elements enforce sleeve-like formations.
  • the Legs of each edged profile are through in Stiffeners spaced apart.
  • Cross to Laying direction of the formwork elements Sliding plates placed on the spacers in Form of riders to be put on.
  • each an L-shaped profile of the Formwork element the edge of the concrete field forms.
  • a concrete is preferred Low-shrinkage, high-strength special concrete used.
  • the surface of the Concrete field with a monolithic Hard material coating can be provided resistant to rolling, grinding or striking stresses.
  • This training will largely Edge protection of the edges of the concrete field formed so that damage to the edge of the Concretes occur only to a small extent.
  • the Formwork elements with the corresponding Concrete material of the concrete field are connected, can cause shrinking movements of the Concrete field follow without demolition between the concrete and the corresponding L-shaped Profile is coming.
  • the invention proposes to achieve this object before that the free ends of the vertically directed Thighs directed away from each other at right angles are folded, so that each profile section approximately Is U-shaped, and that on the Outside of the profile ends thus formed in essential flat joint cover profile is fixed.
  • the corresponding U-shaped profiles can be made from suitable metal sheet can be folded, being as Starting material with sheet steel, for example Corrosion protection or stainless steel is used can come.
  • the formation of profiles in the form of folded metal sheets is essential for that Training of the formwork element, as it is theoretically possible is rolled profiles use, but they are too heavy to manual laying of the formwork elements enable. It would also be the case with rolled profiles required, depending on the web height of the profile to hold different rolling tools.
  • the profiles from folded sheet metal can be made relatively lightweight are so that the individual profile sections of one or two people are easy to handle, with a change in height of the web height same material cutting is possible. Here only the leg length changes while the bridge height is then variable. So it's one inexpensive manufacturing and a assembly-friendly handling possible.
  • the joint cover profile (consists of two flat irons, one on the Profile end of the first profile is fixed and over the gap between parts of the profile of the second profile and their other the end of the profile of the second profile is fixed, with both flat bars in the nominal position a narrow one Include gap between their butt edges.
  • the edge of the joint cover profile can be in the finished concrete field either be embedded flush in the concrete mass, or, what is preferred, this Joint cover profiles are available with their sheet thickness over the surface of the concrete field, whereby then through the monolithic hard material coating the top of the concrete field flush connection to the joint cover profiles is achieved.
  • the wall thickness some of the profiles and / or joint cover profiles Is millimeters, preferably about 2 mm to 6 mm, especially about 4 mm.
  • the wall thickness of the profiles should be such that that the profiles are sufficiently resilient is guaranteed, but also on the other hand it is ensured that the profiles with controllable forces can be folded. This has a profile thickness of approx. 4 mm emphasized particularly suitable.
  • the connecting means can, for example Be plastic fasteners for proper connection of the profiles and are determined, but after concreting the Formwork elements the shrinkage-related Do not hinder relative movement, but at Such forces break or crack.
  • the formwork element 1 is part of a lost formwork for industrial floors Concrete.
  • the formwork consists essentially of the the edges of the respective concrete field protective formwork element 1 as well as in the Drawing not shown further elements, namely a washer, spacers, Sliding sheets, sliding dowels and reinforcing steel mats.
  • the formwork element 1 consists of two edged Profiles made of sheet steel, in the installed position vertically directed legs 2 approximately to each other are arranged without gaps and their lower horizontal legs 3 directed away from each other and the footprint on the ground form. For this purpose, these legs 3 are relatively long trained to keep the Formwork element 1 on the ground guarantee.
  • the free ends 4 of the vertically directed Leg 2 at the upper end of the formwork element are directed away from each other at right angles folded so that they are parallel to the legs 3 run.
  • Each section of the formwork element 1 is thus approximately U-shaped, the Length of the legs 3, 4 is not the same, but is different.
  • the joint cover profile consists of two flat bars 5, 6, one (5) of which on the profile end 4 of the first profile is fixed and over the joint gap 7 to over part of the profile end 4 of the second Profiles engages while their other (6) on the Profile end 4 of the second profile is fixed. Both Flat bars 5, 6 close in the target position narrow joint gap 8 between their abutting edges on.
  • the components of the joint cover profile 5, 6 are in the support area on the respective Profile end 4 with holes 9 and in Punching area by punching welding firmly connected to the profile end 4, the Then the weld is smoothly flexed or is smoothed so that a flat Visible surface is formed. Furthermore, the Components 5, 6 of the joint cover profile on the respective profile ends 4 by means of welding spots to be pinned to a pre-fixation before ensure final fixation.
  • the wall thickness of the profiles (2, 3, 4) and the Joint cover profiles 5, 6 is preferably about 4 mm.
  • the vertical legs 2 of the profiles are connected to one another by connecting means 10, the after casting the lost formwork with Concrete material with shrinkage Relative movement of the concrete formwork elements 1 break or tear so that the hold of the Formwork elements on the corresponding concrete mass is ensured and only the joint 7 between the profiles of the formwork element 1 itself slightly enlarged. This also increases the joint 8, the gap between the one End 4 of a profile of the formwork element 1 lies.
  • the training according to the invention enables excellent protection of the edges of the respective concreting fields, the parting line 8 is relatively narrow, so that when No running over with vehicles or the like Chatter marks or the like are formed.
  • the invention is not based on the embodiment limited, but within the scope of the revelation often variable.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

Free ends (4) of vertical sides (2) of the sections are bent at right angles away from one another, so that each section is U-shaped. A flat joint covering section (5,6) is fixed on the outside of these ends. Preferably the joint covering section is formed by two flat bars with a narrow gap (8) between them.

Description

Die Erfindung betrifft ein Schalungselement Schalungselement als Bestandteil einer verlorenen Schalung für Industriefußböden aus Beton, wobei die Schalung im wesentlichen aus dem die Ränder eines Betonierfeldes schützenden Schalungselement sowie gegebenenfalls einer Unterlegfolie, Abstandhaltern, Gleitblechen und Gleitdübeln besteht, wobei das Schalungselement aus zwei gekanteten Profilen aus Metallblech besteht, deren in Einbaulage vertikal gerichtete Schenkel zueinander annähernd spaltlos angeordnet sind und deren horizontale Schenkel voneinander weg gerichtet sind und die Aufstandsfläche auf dem Untergrund bilden.The invention relates to a formwork element Formwork element as part of a lost Formwork for industrial floors made of concrete, the Formwork essentially from the edges of a Concrete field protective formwork element as well if necessary a shim, spacers, Sliding plates and sliding dowels exist, which Formwork element made of two folded profiles There is metal sheet, which is installed vertically directed legs almost without gap to each other are arranged and their horizontal legs are directed away from each other and the Form a footprint on the ground.

Derartige Schalungselemente sind im Stand der Technik bekannt. Such formwork elements are in the prior art Technology known.

Solche Industriefußböden werden beispielsweise im Fahrbereich von Staplerfahrzeugen, anderen Fahrzeugen, insbesondere im Bereich in Regal- und Hochregalsystemen oder in Kühl- und Tiefkühlhallen eingesetzt. Wesentlich ist dabei, daß die einzelnen Betonfelder des Industriefußbodens annähernd spaltfrei aneinander angeschlossen werden, wobei durch die Schalungselemente ein Schutz der Ränder der Betonierfelder erreicht werden soll. Üblicherweise erfolgt der Aufbau eines solchen Industriefußbodens in der Weise, daß auf einen Untergrund eine Folie aufgebracht wird, auf die dann Schalungselemente aufgebracht werden. An den Schalungselementen sind Gleitdübel angeordnet, die die vertikalen Schenkel der Schalungselemente an hülsenartigen Ausbildungen durchsetzen. Die Schenkel jedes gekanteten Profils sind durch in Abstand angeordnete Steifen versteift. Quer zur Verlegerichtung der Schalungselemente werden Gleitbleche aufgelegt, auf die Abstandhalter in Form von Reitern aufgesetzt werden. Auf diese werden Betonstahlmatten aufgelegt. Anschließend wird das entsprechende Feld ausbetoniert, wobei jeweils ein L-förmiges Profil des Schalungselementes die Randkante des Betonierfeldes bildet. Als Beton wird vorzugsweise schwindungsarmer, hochfester Spezialbeton verwendet. Anschließend kann die Oberfläche des Betonierfeldes mit einer monolithischen Hartstoffbeschichtung versehen werden, die widerstandsfähig gegen rollende, schleifende oder schlagende Beanspruchungen ist. Such industrial floors are used, for example, in Driving range of forklift vehicles, others Vehicles, especially in the area of shelf and High-bay systems or in cold stores and freezers used. It is essential that the individual Approximately concrete fields of the industrial floor be connected to each other without gaps, whereby the formwork elements protect the edges the concrete fields should be reached. Usually such a structure is built Industrial flooring in such a way that on one A film is applied to the surface then formwork elements are applied. To the Formwork elements are arranged with sliding dowels the vertical legs of the formwork elements enforce sleeve-like formations. The Legs of each edged profile are through in Stiffeners spaced apart. Cross to Laying direction of the formwork elements Sliding plates placed on the spacers in Form of riders to be put on. To this reinforcing steel mats are placed. Subsequently the corresponding field is concreted, whereby each an L-shaped profile of the Formwork element the edge of the concrete field forms. As a concrete is preferred Low-shrinkage, high-strength special concrete used. Then the surface of the Concrete field with a monolithic Hard material coating can be provided resistant to rolling, grinding or striking stresses.

Durch diese Ausbildung wird schon weitestgehend ein Kantenschutz der Ränder des Betonierfeldes gebildet, so daß Beschädigungen der Randkanten des Betons nur in geringem Maße auftreten. Die Schalungselemente, die mit dem entsprechenden Betonmaterial des Betonierfeldes verbunden sind, können schwindungsbedingten Bewegungen des Betonierfeldes folgen, ohne daß es zu einem Abriß zwischen dem Beton und dem entsprechenden L-förmigen Profil kommt.This training will largely Edge protection of the edges of the concrete field formed so that damage to the edge of the Concretes occur only to a small extent. The Formwork elements with the corresponding Concrete material of the concrete field are connected, can cause shrinking movements of the Concrete field follow without demolition between the concrete and the corresponding L-shaped Profile is coming.

Obwohl sich derartige Ausbildungen im Stand der Technik bewährt haben, besteht ein Bedarf dahingehend, noch einen verbesserten Kantenschutz für die Ränder des Betonierfeldes zu schaffen, wobei ein Ausbrechen des Betons im Anschluß an das Schalungselement unterbunden sein soll. Dabei soll die zwischen den benachbarten Schalungselementen gebildete Fuge zur Vermeidung von Rattermarken oder dergleichen beim Überfahren der Fugen relativ schmal ausgebildet sein. Im Prinzip soll eine nahezu fugenlose Ausbildung gewährleistet sein.Although such training in the state of the Have proven technology, there is a need in that, even an improved edge protection to create for the edges of the concrete field a breaking out of the concrete following the Formwork element should be prevented. In doing so between the neighboring formwork elements formed joint to avoid chatter marks or the like when driving over the joints relatively be narrow. In principle, one should almost seamless training can be guaranteed.

Zur Lösung dieser Aufgabe schlägt die Erfindung vor, daß die freien Enden der vertikal gerichteten Schenkel rechtwinklig voneinander weg gerichtet abgekantet sind, so daß jedes Profil-Teilstück etwa U-förmig ausgebildet ist, und daß auf der Außenseite der so gebildeten Profilenden ein im wesentlichen ebenflächiges Fugenabdeckprofil fixiert ist. The invention proposes to achieve this object before that the free ends of the vertically directed Thighs directed away from each other at right angles are folded, so that each profile section approximately Is U-shaped, and that on the Outside of the profile ends thus formed in essential flat joint cover profile is fixed.

Die entsprechenden U-förmigen Profile können aus geeignetem Metallblech gekantet werden, wobei als Ausgangsmaterial beispielsweise Stahlblech mit Korrosionsschutz oder auch Edelstahl zum Einsatz kommen kann. Die Ausbildung der Profile in Form von gekanteten Metallblechen ist wesentlich für die Ausbildung des Schalungselementes, da es zwar theoretisch möglich ist, gewalzte Profile einzusetzen, diese aber zu schwergewichtig sind, um eine manuelle Verlegung der Schalungselemente zu ermöglichen. Zudem wäre es bei gewalzten Profilen erforderlich, je nach Steghöhe des Profiles unterschiedliche Walzwerkzeuge vorzuhalten. Bei der Ausbildung der Profile aus gekantetem Metallblech können diese relativ leichtgewichtig ausgebildet werden, so daß die einzelnen Profilabschnitte von einer oder zwei Personen leicht handhabbar sind, wobei zudem eine Höhenänderung der Steghöhe bei gleichem Materialzuschnitt möglich ist. Dabei ändert sich lediglich die Schenkellänge, während die Steghöhe dann variabel ist. Es ist somit eine kostengünstige Fertigung und eine montagefreundliche Handhabung möglich.The corresponding U-shaped profiles can be made from suitable metal sheet can be folded, being as Starting material with sheet steel, for example Corrosion protection or stainless steel is used can come. The formation of profiles in the form of folded metal sheets is essential for that Training of the formwork element, as it is theoretically possible is rolled profiles use, but they are too heavy to manual laying of the formwork elements enable. It would also be the case with rolled profiles required, depending on the web height of the profile to hold different rolling tools. In the Forming the profiles from folded sheet metal can be made relatively lightweight are so that the individual profile sections of one or two people are easy to handle, with a change in height of the web height same material cutting is possible. Here only the leg length changes while the bridge height is then variable. So it's one inexpensive manufacturing and a assembly-friendly handling possible.

Dadurch, daß die einzelnen Teilstücke des Profiles U-förmig ausgebildet sind, wird erreicht, daß die Randkante jedes Betonierfeldes dauerhaft gegen Beschädigungen geschützt ist. Da es bei abgekanteten Profilen aus Metallblech nicht möglich ist, scharfe Kantungen am Übergang des Steges zu den Abwinklungen herzustellen, ist die Anordnung eines Fugenabdeckprofiles erforderlich. Durch dieses Fugenabdeckprofil kann die relativ breite Fuge zwischen den abgewinkelten Profilenden überdeckt werden, so daß nur eine äußerst schmale Fuge zwischen den einzelnen Betonierfeldern eingestellt wird.Because the individual sections of the profile Are U-shaped, it is achieved that the Edge of each concrete field permanently against Damage is protected. Since it is at folded profiles made of sheet metal are not possible is sharp bends at the junction of the web Making the bends is the order a joint cover profile is required. By this joint cover profile can be relatively wide Joint between the angled profile ends be covered so that only an extremely narrow Joint between the individual concrete fields is set.

Bevorzugt ist vorgesehen, daß das Fugenabdeckprofil (aus zwei Flacheisen besteht, deren eines auf dem Profilende des ersten Profils fixiert ist und über den Fugenspalt bis über einen Teil des Profilendes des zweiten Profils greift und deren anderes auf dem Profilende des zweiten Profils fixiert ist, wobei beide Flacheisen in Sollage einen schmalen Fugenspalt zwischen ihren Stoßkanten einschließen.It is preferably provided that the joint cover profile (consists of two flat irons, one on the Profile end of the first profile is fixed and over the gap between parts of the profile of the second profile and their other the end of the profile of the second profile is fixed, with both flat bars in the nominal position a narrow one Include gap between their butt edges.

Gemäß dieser Ausbildung werden auf den abgekanteten Enden der Profilschenkel, die quasi in der Oberseite des Betonierfeldes liegen, Fugenabdeckprofile aus Flacheisen fixiert, wobei eines der beiden Flacheisen über den zwischen den benachbarten Profilen gebildeten Fugenspalt greift und das andere Flacheisen an dem anderen Profilendbereich parallel und flächenbündig zu dem ersten Flacheisen fixiert ist, so daß zwischen beiden Flacheisen eine schmale Fuge gebildet ist. Es wird hierdurch trotz der Ausbildung der Schalungselemente aus gekanteten Profilen aus Metallblech eine exakte und enge Fugenausbildung gewährleistet. According to this training, beveled on the Ends of the profile legs, which are almost in the The top of the concrete field, Joint cover profiles made of flat iron fixed, whereby one of the two flat irons over the between the joint gap formed adjacent profiles engages and the other flat iron at the other profile end area parallel and flush to the first Flat iron is fixed, so that between the two Flat iron a narrow joint is formed. It will this despite the training of Formwork elements made of folded profiles Metal sheet an exact and tight joint formation guaranteed.

Die Randkanten des Fugenabdeckprofiles können in dem fertig betonierten Betonfeld entweder flächenbündig in die Betonmasse eingebettet werden, oder aber, was bevorzugt ist, diese Fugenabdeckprofile stehen mit ihrer Blechstärke über die Oberfläche des Betonfeldes vor, wobei anschließend durch die monolithische Hartstoffbeschichtung der Oberseite des Betonierfeldes ein flächenbündiger Anschluß an die Fugenabdeckprofile erreicht wird.The edge of the joint cover profile can be in the finished concrete field either be embedded flush in the concrete mass, or, what is preferred, this Joint cover profiles are available with their sheet thickness over the surface of the concrete field, whereby then through the monolithic hard material coating the top of the concrete field flush connection to the joint cover profiles is achieved.

Um eine exakte und dauerhafte Anordnung der Fugenabdeckprofile an den jeweiligen Profilenden zu gewährleisten und einen Verzug der Profilenden zu vermeiden, an denen die Fugenabdeckprofile befestigt sind, ist vorgesehen, daß die Bestandteile des Fugenabdeckprofils im Auflagebereich auf dem jeweiligen Profilende Lochungen aufweisen und im Bereich der Lochungen mittels Durchstanzschweißen mit dem Profilende fest verbunden sind.To ensure an exact and permanent arrangement of the Joint cover profiles at the respective profile ends guarantee and a distortion of the profile ends avoid where the joint cover profiles are attached, it is provided that the Components of the joint cover profile in the Support area on the respective profile end Have perforations and in the area of the perforations using punch-through welding with the end of the profile are connected.

Gemäß dieser Ausbildung wird ein Verzug vermieden und es wird dennoch eine sichere und dauerhafte Halterung der Teile aneinander erreicht. Der jeweilige Schweißbereich kann anschließend glatt geflext oder glatt geschliffen werden, so daß störende Sichtbereiche oder dergleichen im Bereich der Schweißstellen vermieden sind.According to this training, a delay is avoided and it will still be a safe and lasting one Hold the parts together. The respective welding area can then be smooth be flexed or smoothed so that distracting viewing areas or the like in the area the welds are avoided.

Um insbesondere eine Vorfixierung der Fugenabdeckprofile an den jeweiligen Profilenden sicherzustellen, ist vorgesehen, daß die Bestandteile des Fugenabdeckprofils an den jeweiligen Profilenden angeheftet sind.In particular, a pre-fixation of the Joint cover profiles at the respective profile ends It is intended to ensure that the Components of the joint cover profile on the respective profile ends are pinned.

Auch beim Heften, beispielsweise mittels einer Schweißverbindung wird kein Verzug der Bestandteile des Profils oder dergleichen auftreten.Also when stapling, for example using a The welded joint does not warp the components of the profile or the like occur.

Bevorzugt ist zudem vorgesehen, daß die Wandstärke der Profile und/oder der Fugenabdeckprofile einige Millimeter beträgt, vorzugsweise etwa 2 mm bis 6 mm, insbesondere etwa 4 mm.It is also preferably provided that the wall thickness some of the profiles and / or joint cover profiles Is millimeters, preferably about 2 mm to 6 mm, especially about 4 mm.

Die Wandstärke der Profile soll so bemessen sein, daß eine ausreichende Belastbarkeit der Profile gewährleistet ist, andererseits aber auch sichergestellt ist, daß die Profile mit beherrschbaren Kräften abgekantet werden können. Dabei hat sich eine Profilstärke von ca. 4 mm als besonders geeignet herausgestellt.The wall thickness of the profiles should be such that that the profiles are sufficiently resilient is guaranteed, but also on the other hand it is ensured that the profiles with controllable forces can be folded. This has a profile thickness of approx. 4 mm emphasized particularly suitable.

Um bei der Verlegung der Schalungselemente eine ordnungsgemäße Ausrichtung der Schalungselemente zueinander zu gewährleisten und dennoch die schwindungsbedingte Bewegung der Schalungselemente im mit Beton vergossenen Zustand zu gewährleisten, ist vorgesehen, daß die vertikalen Schenkel der Profile miteinander durch Verbindungsmittel, insbesondere Schraubbolzen mit Mutter, verbunden sind, die bei schwindungsbedingter Relativbewegung der betonierten Schalungselemente brechen oder reißen.In order to lay a proper alignment of the formwork elements to ensure each other and still the shrinkage-related movement of the formwork elements to ensure when poured with concrete, it is intended that the vertical legs of the Profiles with each other by connecting means, especially bolts with nut connected are those with relative movement due to shrinkage of the concrete formwork elements break or tear.

Die Verbindungsmittel können beispielsweise Kunststoffverbindungsmittel sein, die zur ordnungsgemäßen Verbindung der Profile geeignet und bestimmt sind, die aber nach dem Betonieren der Schalungselemente die schwindungsbedingte Relativbewegung nicht behindern, sondern bei Auftreten solcher Kräfte brechen oder reißen.The connecting means can, for example Be plastic fasteners for proper connection of the profiles and are determined, but after concreting the Formwork elements the shrinkage-related Do not hinder relative movement, but at Such forces break or crack.

Ein schematisiertes Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und im folgenden näher beschrieben.A schematic embodiment of the Invention is shown in the drawing and in following described in more detail.

Es zeigt:

  • Figur 1 ein Schalungselement in isometrischer Darstellung.
    • It shows:
  • Figure 1 is a formwork element in an isometric view.

    • Das Schalungselement 1 ist Bestandteil einer verlorenen Schalung für Industriefußböden aus Beton. Die Schalung besteht im wesentlichen aus dem die Ränder des jeweiligen Betonierfeldes schützenden Schalungselement 1 sowie in der Zeichnung nicht dargestellten weiteren Elementen, nämlich einer Unterlegfolie, Abstandhaltern, Gleitblechen, Gleitdübeln sowie Betonstahlmatten.The formwork element 1 is part of a lost formwork for industrial floors Concrete. The formwork consists essentially of the the edges of the respective concrete field protective formwork element 1 as well as in the Drawing not shown further elements, namely a washer, spacers, Sliding sheets, sliding dowels and reinforcing steel mats.

    Das Schalungselement 1 besteht aus zwei gekanteten Profilen aus Stahlblech, deren in Einbaulage vertikal gerichtete Schenkel 2 zueinander annähernd spaltlos angeordnet sind und deren untere horizontale Schenkel 3 voneinander weg gerichtet sind und die Aufstandsfläche auf dem Untergrund bilden. Dazu sind diese Schenkel 3 relativ lang ausgebildet um einen sicheren Stand des Schalungselementes 1 auf dem Untergrund zu gewährleisten.The formwork element 1 consists of two edged Profiles made of sheet steel, in the installed position vertically directed legs 2 approximately to each other are arranged without gaps and their lower horizontal legs 3 directed away from each other and the footprint on the ground form. For this purpose, these legs 3 are relatively long trained to keep the Formwork element 1 on the ground guarantee.

    Die freien Enden 4 der vertikal gerichteten Schenkel 2 am oberen Ende des Schalungselementes sind rechtwinklig voneinander weg gerichtet abgekantet, so daß sie parallel zu den Schenkeln 3 verlaufen. Jedes Teilstück des Schalungselementes 1 ist damit etwa U-förmig ausgebildet, wobei die Länge der Schenkel 3, 4 nicht gleich, sondern unterschiedlich ist.The free ends 4 of the vertically directed Leg 2 at the upper end of the formwork element are directed away from each other at right angles folded so that they are parallel to the legs 3 run. Each section of the formwork element 1 is thus approximately U-shaped, the Length of the legs 3, 4 is not the same, but is different.

    Auf der Außenseite der so gebildeten Profilenden 4 ist ein allgemein mit 5, 6 bezeichnetes zweiteiliges Fugenabdeckprofil befestigt.On the outside of the profile ends 4 thus formed is a generally designated 5, 6 two-part joint cover profile attached.

    Das Fugenabdeckprofil besteht aus zwei Flacheisen 5, 6, deren eines (5) auf dem Profilende 4 des ersten Profils fixiert ist und über den Fugenspalt 7 bis über einen Teil des Profilendes 4 des zweiten Profils greift, während deren anderes (6) auf dem Profilende 4 des zweiten Profils fixiert ist. Beide Flacheisen 5, 6 schließen in der Sollage einen schmalen Fugenspalt 8 zwischen ihren Stoßkanten ein. Die Bestandteile des Fugenabdeckprofiles 5, 6 sind im Auflagebereich auf dem jeweiligen Profilende 4 mit Lochungen 9 versehen und im Bereich der Lochungen mittels Durchstanzschweißens mit dem Profilende 4 fest verbunden, wobei die Schweißstelle anschließend glattgeflext oder glattgeschliffen ist, so daß eine ebenflächige Sichtfläche ausgebildet ist. Ferner können die Bestandteile 5, 6 des Fugenabdeckprofils an den jeweiligen Profilenden 4 mittels Schweißpunkten angeheftet sein, um eine Vorfixierung vor der endgültigen Fixierung sicherzustellen.The joint cover profile consists of two flat bars 5, 6, one (5) of which on the profile end 4 of the first profile is fixed and over the joint gap 7 to over part of the profile end 4 of the second Profiles engages while their other (6) on the Profile end 4 of the second profile is fixed. Both Flat bars 5, 6 close in the target position narrow joint gap 8 between their abutting edges on. The components of the joint cover profile 5, 6 are in the support area on the respective Profile end 4 with holes 9 and in Punching area by punching welding firmly connected to the profile end 4, the Then the weld is smoothly flexed or is smoothed so that a flat Visible surface is formed. Furthermore, the Components 5, 6 of the joint cover profile on the respective profile ends 4 by means of welding spots to be pinned to a pre-fixation before ensure final fixation.

    Die Wandstärke der Profile (2, 3, 4) und der Fugenabdeckprofile 5, 6 beträgt vorzugsweise etwa 4 mm. Die vertikalen Schenkel 2 der Profile sind miteinander durch Verbindungsmittel 10 verbunden, die nach dem Verguß der verlorenen Schalung mit Betonmaterial bei schwindungsbedinger Relativbewegung der betonierten Schalungselemente 1 brechen oder reißen, so daß der Halt der Schalungselemente an der entsprechenden Betonmasse sichergestellt ist und lediglich die Fuge 7 zwischen den Profilen des Schalungselementes 1 sich geringfügig vergrößert. Dabei vergrößert sich auch die Fuge 8, wobei der Fugenspalt oberhalb des einen Endes 4 des einen Profils des Schalungselementes 1 liegt. Die erfindungsgemäße Ausbildung ermöglicht einen ausgezeichneten Schutz der Ränder der jeweiligen Betonierfelder, wobei die Trennfuge 8 relativ schmal ausgebildet ist, so daß beim Überfahren mit Fahrzeugen oder dergleichen keine Rattermarken oder dergleichen gebildet sind.The wall thickness of the profiles (2, 3, 4) and the Joint cover profiles 5, 6 is preferably about 4 mm. The vertical legs 2 of the profiles are connected to one another by connecting means 10, the after casting the lost formwork with Concrete material with shrinkage Relative movement of the concrete formwork elements 1 break or tear so that the hold of the Formwork elements on the corresponding concrete mass is ensured and only the joint 7 between the profiles of the formwork element 1 itself slightly enlarged. This also increases the joint 8, the gap between the one End 4 of a profile of the formwork element 1 lies. The training according to the invention enables excellent protection of the edges of the respective concreting fields, the parting line 8 is relatively narrow, so that when No running over with vehicles or the like Chatter marks or the like are formed.

    Die Erfindung ist nicht auf das Ausführungsbeispiel beschränkt, sondern im Rahmen der Offenbarung vielfach variabel.The invention is not based on the embodiment limited, but within the scope of the revelation often variable.

    Alle neuen, in der Beschreibung und/oder Zeichnung offenbarten Einzel- und Kombinationsmerkmale werden als erfindungswesentlich angesehen.All new, in the description and / or drawing disclosed individual and combination features regarded as essential to the invention.

    Claims (6)

    Schalungselement (1) als Bestandteil einer verlorenen Schalung für Industriefußböden aus Beton, wobei die Schalung im wesentlichen aus dem die Ränder eines Betonierfeldes schützenden Schalungselement (1) sowie gegebenenfalls einer Unterlegfolie, Abstandhaltern, Gleitblechen und Gleitdübeln besteht, wobei das Schalungselement (1) aus zwei gekanteten Profilen aus Metallblech besteht, deren in Einbaulage vertikal gerichtete Schenkel (2) zueinander annähernd spaltlos angeordnet sind und deren horizontale Schenkel (3) voneinander weg gerichtet sind und die Aufstandsfläche auf dem Untergrund bilden, dadurch gekennzeichnet, daß die freien Enden (4) der vertikal gerichteten Schenkel (2) rechtwinklig voneinander weg gerichtet abgekantet sind, so daß jedes Profil-Teilstück etwa U-förmig ausgebildet ist, und daß auf der Außenseite der so gebildeten Profilenden (4) ein im wesentlichen ebenflächiges Fugenabdeckprofil (5, 6) fixiert ist.Formwork element (1) as part of a lost formwork for industrial floors made of concrete, the formwork essentially consisting of the formwork element (1) protecting the edges of a concrete field as well as optionally a shim, spacers, sliding plates and sliding dowels, the formwork element (1) consisting of two edged profiles made of sheet metal, the legs (2) of which are vertically oriented in the installed position are arranged almost without a gap to one another and the horizontal legs (3) of which are directed away from one another and form the contact surface on the ground, characterized in that the free ends (4) of the vertically directed legs (2) are bent perpendicularly away from each other, so that each section of the profile is approximately U-shaped, and that an essentially flat joint cover profile (5, 6) is fixed on the outside of the profile ends (4) thus formed . Schalungselement nach Anspruch 1, dadurch gekennzeichnet, daß das Fugenabdeckprofil (5,6) aus zwei Flacheisen besteht, deren eines auf dem Profilende (4) des ersten Profils fixiert ist und über den Fugenspalt (7) bis über einen Teil des Profilendes (4) des zweiten Profils greift und deren anderes auf dem Profilende (4) des zweiten Profils fixiert ist, wobei beide Flacheisen in Sollage einen schmalen Fugenspalt (8) zwischen ihren Stoßkanten einschließen.Formwork element according to claim 1, characterized in that the joint cover profile (5, 6) consists of two flat bars, one of which is fixed on the profile end (4) of the first profile and over the joint gap (7) to over part of the profile end (4) of the second profile engages and the other of which is fixed on the profile end (4) of the second profile, both flat bars including a narrow joint gap (8) between their abutting edges in the desired position. Schalungselement nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Bestandteile des Fugenabdeckprofils (5,6) im Auflagebereich auf dem jeweiligen Profilende (4) Lochungen (9) aufweisen und im Bereich der Lochungen (9) mittels Durchstanzschweißen mit dem Profilende (4) fest verbunden sind.Formwork element according to claim 1 or 2, characterized in that the components of the joint cover profile (5, 6) have perforations (9) in the support area on the respective profile end (4) and in the area of the perforations (9) by means of punch-through welding with the profile end (4) are firmly connected. Schalungselement nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Bestandteile des Fugenabdeckprofils (5,6) an den jeweiligen Profilenden (4) angeheftet sind.Formwork element according to one of claims 1 to 3, characterized in that the components of the joint cover profile (5, 6) are attached to the respective profile ends (4). Schalungselement nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Wandstärke der Profile (1) und/oder der Fugenabdeckprofile (5,6) einige Millimeter beträgt, vorzugsweise etwa 2 mm bis 6 mm, insbesondere etwa 4 mm.Formwork element according to one of claims 1 to 4, characterized in that the wall thickness of the profiles (1) and / or the joint covering profiles (5, 6) is a few millimeters, preferably about 2 mm to 6 mm, in particular about 4 mm. Schalungselement nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die vertikalen Schenkel (2) der Profile miteinander durch Verbindungsmittel (10), insbesondere Schraubbolzen mit Mutter, verbunden sind, die bei schwindungsbedingter Relativbewegung der betonierten Schalungselemente (1) brechen oder reißen.Formwork element according to one of Claims 1 to 5, characterized in that the vertical legs (2) of the profiles are connected to one another by connecting means (10), in particular screw bolts with nuts, which break or tear when the concrete formwork elements (1) move relative to the shrinkage.
    EP00101333A 1999-01-23 2000-01-24 Shuttering for industrial floors Revoked EP1022389B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE29901141U DE29901141U1 (en) 1999-01-23 1999-01-23 Formwork element for industrial floors
    DE29901141U 1999-01-23

    Publications (3)

    Publication Number Publication Date
    EP1022389A2 true EP1022389A2 (en) 2000-07-26
    EP1022389A3 EP1022389A3 (en) 2002-01-09
    EP1022389B1 EP1022389B1 (en) 2004-08-25

    Family

    ID=8068385

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP00101333A Revoked EP1022389B1 (en) 1999-01-23 2000-01-24 Shuttering for industrial floors

    Country Status (3)

    Country Link
    EP (1) EP1022389B1 (en)
    AT (1) ATE274618T1 (en)
    DE (2) DE29901141U1 (en)

    Cited By (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP0168683A2 (en) * 1984-07-16 1986-01-22 F. Hoffmann-La Roche Ag Liquid crystals with alkenyl or alkenyloxy groups
    EP1293606A1 (en) * 2001-09-13 2003-03-19 Herbert Hammes Daywork shuttering device
    KR100847725B1 (en) 2008-04-02 2008-07-23 (주)삼우아이엠씨 Joint structure of road and its construction method

    Families Citing this family (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    AT410332B (en) * 1999-11-08 2003-03-25 Tci Produktions Und Vertriebs JOINT RAIL
    DE20215814U1 (en) 2002-08-07 2003-04-10 Mittempergher, Renzo, 93176 Beratzhausen Edge protection for use in connecting seam between abutting sections particularly of concrete industry floors involves two profile rails made of loadable material with at least two surfaces forming the edges
    GB0817445D0 (en) * 2008-09-23 2008-10-29 Permaban Ltd Alpha slide joint
    FR3049970B1 (en) * 2016-04-07 2020-12-04 Sifloor EASY RENOVATION EXPANSION JOINT FOR CONCRETE SLAB FORMWORK SYSTEMS
    BR112019024429B1 (en) 2017-05-23 2023-02-07 Lynks EXPANSION JOINT CONFIGURED TO BE PLACED BETWEEN THE FIRST AND SECOND CONCRETE SLABS

    Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US2194383A (en) * 1939-05-11 1940-03-19 Elmer S Clark Highway joint
    US2976782A (en) * 1957-07-26 1961-03-28 Jones Cecil D Floor expansion joint
    US4516876A (en) * 1983-01-10 1985-05-14 Wicks Harry O Precast concrete expansion joint for roads and the like
    EP0410079A1 (en) * 1989-07-27 1991-01-30 Claude Meyers Connecting casing for linked concrete slabs
    FR2785632A1 (en) * 1998-11-10 2000-05-12 Ppc Sa Concrete floor slab expansion joint has two sub-assemblies supported by lower plate and fitted with two upper plates with meshing toothed edges

    Patent Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US2194383A (en) * 1939-05-11 1940-03-19 Elmer S Clark Highway joint
    US2976782A (en) * 1957-07-26 1961-03-28 Jones Cecil D Floor expansion joint
    US4516876A (en) * 1983-01-10 1985-05-14 Wicks Harry O Precast concrete expansion joint for roads and the like
    EP0410079A1 (en) * 1989-07-27 1991-01-30 Claude Meyers Connecting casing for linked concrete slabs
    FR2785632A1 (en) * 1998-11-10 2000-05-12 Ppc Sa Concrete floor slab expansion joint has two sub-assemblies supported by lower plate and fitted with two upper plates with meshing toothed edges

    Cited By (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP0168683A2 (en) * 1984-07-16 1986-01-22 F. Hoffmann-La Roche Ag Liquid crystals with alkenyl or alkenyloxy groups
    EP0168683B1 (en) * 1984-07-16 1990-11-28 F. Hoffmann-La Roche Ag Liquid crystals with alkenyl or alkenyloxy groups
    EP1293606A1 (en) * 2001-09-13 2003-03-19 Herbert Hammes Daywork shuttering device
    KR100847725B1 (en) 2008-04-02 2008-07-23 (주)삼우아이엠씨 Joint structure of road and its construction method

    Also Published As

    Publication number Publication date
    DE50007527D1 (en) 2004-09-30
    EP1022389B1 (en) 2004-08-25
    DE29901141U1 (en) 1999-05-06
    EP1022389A3 (en) 2002-01-09
    ATE274618T1 (en) 2004-09-15

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    Free format text: ORIGINAL CODE: 0009299OPPO