EP2149653A2 - Wall edge stop end for a concrete floor plate for single-face boarding and method of setting up the boarding - Google Patents

Wall edge stop end for a concrete floor plate for single-face boarding and method of setting up the boarding Download PDF

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Publication number
EP2149653A2
EP2149653A2 EP09008236A EP09008236A EP2149653A2 EP 2149653 A2 EP2149653 A2 EP 2149653A2 EP 09008236 A EP09008236 A EP 09008236A EP 09008236 A EP09008236 A EP 09008236A EP 2149653 A2 EP2149653 A2 EP 2149653A2
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EP
European Patent Office
Prior art keywords
formwork
holder
bottom plate
reinforcement
wandrandabschalung
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Granted
Application number
EP09008236A
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German (de)
French (fr)
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EP2149653A3 (en
EP2149653B1 (en
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Dingler Gerhard
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Dingler Gerhard
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Publication of EP2149653A3 publication Critical patent/EP2149653A3/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E04G17/064—Spacers placed on the bottom of the mould

Definitions

  • the invention relates to a Wandrandabschalung for casting a concrete floor slab for erecting a one-sided formwork.
  • the invention also relates to a method for erecting a one-sided wall formwork with formwork panels and support blocks on a concrete floor slab.
  • One-sided formwork is used in the manufacture of reinforced concrete components that are accessible only from one side.
  • a two-sided formwork whose formwork panels are arranged only on one side of the wall to be concreted.
  • Such a formwork is used, for example, when concreting a wall against a rock wall.
  • the cliff wall opposite the formwork panels forms the second formwork surface for the concrete wall to be created, so that it is not possible to derive the fresh concrete pressure, as in the case of the two-sided formwork, by means of tension anchors against the second formwork surface.
  • the load transfer must take place by means of support brackets via oblique anchors into a previously concreted base plate.
  • the anchor is usually attached prior to casting the concrete slab with a holder to a reinforcement of the bottom plate, which holds the anchor for the setting in a predetermined position and inclination.
  • the formwork panels When erecting the one-sided formwork, the formwork panels must be placed in a predetermined position and aligned with each other.
  • the Aligning the formwork panels is particularly difficult if the formwork panels are formed over a large area and thus are so heavy that they can be placed only with a crane or the like.
  • the invention is therefore based on the object to propose a way that simplifies the alignment of formwork panels of a one-sided formwork.
  • the core of the invention is the idea of already producing a step as a lower wall beginning for the one-sided concrete wall when concreting the floor slab.
  • the formwork panels can be created with a bottom edge when setting up, which greatly simplifies alignment in a line.
  • a low Wandrandabschalung necessary for the preparation of the stage, which is attachable to the reinforcement of the bottom plate and which is located at the point at which the wall is to be concreted later.
  • the Wandrandabschalung invention for casting a concrete floor slab has a horrnschalelement and at least one holder for the Actuallynschalelement which is fastened to a reinforcement of the bottom plate and holds the Actuallynschalelement for concreting the step with a vertical distance above the reinforcement.
  • the step is concreted simultaneously with the bottom plate, the step formwork element, such as a squared timber or L-profile made of wood or metal, is fixed before pouring the concrete slab along a desired wall edge (throat) on the reinforcement of the concrete slab and anchors for Supporting blocks of one-sided formwork are positioned at a constant distance from the stepped formwork element.
  • the step scarf elements are released from the supports and above a top of the bottom slab protruding portions of the brackets are removed from the floor slab.
  • the Kunststoffnschalelement the Wandrandabschalung on a vertical Jardinnschalabintroductory for concreting the step and a horizontal subjectschalabsacrificing for concreting a footprint for the one-sided wall formwork determines the vertical Jardinnschalabsacrificing the height of the step and the horizontal stepped scarf section, the depth of the footprint in front of the step of the bottom plate.
  • the vertical stepped scarf section is sufficient for concreting the step.
  • the step formwork element To set a direction of the future wall edge, the step formwork element must be fastened to the reinforcement with at least two holders, wherein the holders can, for example, be bristled in a known manner by means of a wire on the reinforcement.
  • the holders can, for example, be bristled in a known manner by means of a wire on the reinforcement.
  • an adjusting device for the stepped scarf element attached thereto is provided on the holders. With the adjustment of the stepped scarf element is horizontally and vertically adjustable, i. parallel and perpendicular to the step to be concreted. In addition, so that the distance of a bottom or the lower edge of the stepped shell element relative to the reinforcement can be changed.
  • the adjusting device can be combined with a fastening device for the stepped sound element on the holder.
  • a screw can be provided, which extends through at least one slot in the stepped shell element and / or the holder.
  • the position of the stepped shell element relative to the holder in the extension direction of the elongated hole is changeable and changeable by insertion, removal or variation of a spacer between the stepped shell element and the holder in the direction of extension of the screw.
  • the slot allows a horizontal and the spacers vertical adjustment of the stepped scarf element opposite the holder, or vice versa.
  • both the height and the depth of the stage to be concreted can be changed with the adjusting device.
  • the holder has a lower holder part to be embedded in the base plate and an upper holder part which is not to be embedded in the base plate and which is preferably detachable from the lower holder part.
  • the Standnschalelement is attached at the upper holder part.
  • the holder has a holding device for the anchor to be embedded in the base plate.
  • the holding device is preferably arranged on the lower holder part of the holder, which is fastened to the reinforcement of the concrete slab.
  • the holding means holds the armature in a predetermined position and a predetermined inclination with respect to the step formwork element and the reinforcement of the bottom plate.
  • the anchor is attached only to the lower holder part, an additional direct connection to the reinforcement is not required. The orientation of the anchors in a line is thus independent with the alignment of the holder of Wandrandabschalung on the reinforcement.
  • the upper holder part is preferably connected via the armature to the lower holder part, wherein the upper holder part is fastened to the armature at different distances from the lower holder part.
  • the distance between the attached to the upper part of the holder stage shell element relative to the reinforcement can be set arbitrarily.
  • a floor slab is first concreted with molded concrete step, wherein the bottom plate before the step has a flat footprint for the formwork panels and in front of the footprint in the concrete slab anchored anchor for the trestles are arranged in a row.
  • the step is at the point where a wall on the floor slab is to be concreted.
  • the single-sided wall formwork is erected and the formworks aligned in line with the floor slab footprint, with a lower edge of the formwork slats being aligned vertically Step section of the stage is brought into abutment.
  • the trestles to which the formwork panels are attached are anchored to the floor slab by clamping with the anchored anchors.
  • the formwork panels can be set up quickly and easily in exact position on the footprint in front of the step and fixed with the support brackets on the bottom plate.
  • the above-described wall slab according to the present invention which is as follows. First, a face mold for the floor slab is placed on a floor. Subsequently, a reinforcement is introduced into the shuttering space bounded by the end formwork. Then the Wandrandabschalung is fastened with their holders to the reinforcement of the bottom plate that Jardinnschaletti the Wandrandabschalung are arranged vertically spaced above the reinforcement.
  • the leveling elements are aligned in the vertical and / or horizontal direction by means of an adjusting device provided on the holder.
  • the anchor to be embedded is attached to an anchor holder formed on the holder which holds the anchor in a predetermined position and at a predetermined inclination.
  • the wall edge shuttering 3 has a stepped shutter element 4, which is fastened by means of a holder 5 to a reinforcement 6 of the base plate 1.
  • the holder 5 holds the stepped scarf element 4, when the bottom plate 1 is not cast, with a vertical distance above the reinforcement 6.
  • the stepped scarf element 4 is designed for example as an L-profile made of wood or metal and arranged on the holder 5, that a leg a vertical stepped scarf portion 7 and the other leg forms a horizontal disorderschalablik 8.
  • the vertical stepped scarf section 7 determines the height of the step 2 and the horizontal foot scarf section 8, the depth of a footprint 9 in front of the level 2 of the bottom plate 1.
  • the footprint 9 is provided for setting up not shown in the drawing formwork panels a one-sided wall formwork and the stage 2 for Aligning the formwork panels to an aligned row.
  • the holder 5 has a lower holder part 10 which is fixed to the reinforcement 6, and an upper holder part 11, on which the devisnschalelement 4 is mounted.
  • the two holder parts 10, 11 are detachably connected to each other.
  • the upper holder part 11 has a central portion 12 which extends horizontally at the holder 5 attached to the reinforcement 6.
  • To the central portion 12 include the stepped shell element 4 associated end portion 13 and the lower holder member 10 associated end portion 14, wherein the end portion 13 is angled 90 ° upwards and the end portion 14 at 45 ° downwards relative to the central portion 12.
  • the stepped scarf element 4 is screwed with its horizontal stepped scarf section 8 with the horizontal middle section 12 of the upper holder part 11, the foot scarf section 8 having a round hole 15 and the middle section 12 having a slot 16 through which a screw connection 17 extends.
  • the screw 17 allows a change in the distance of the horizontal stepped scarf section 8 to the horizontal middle section 12 and the vertical stepped scarf section 7 to the vertical end portion 13 of the holder 5 by means of spacers 18, 18 'arranged therebetween.
  • the screw 17 and the slot 16 together with the spacers 18, 18 'an adjusting device 19 of the holder 5 for the stepped shutter element. 4
  • the upper holder part 11 is connected to the lower holder part 10 via an anchor 20 to be embedded in the base plate 1.
  • the second end portion 14 of the upper holder part 11 has a receiving bore 21 for the armature 20 and the lower holder part 10, a holding device 22 for the armature 20, which holds the armature 20 inclined by 45 ° with respect to a top 23 of the bottom plate 1.
  • a fastening portion 24 extends for attaching the lower holder part 10 to the reinforcement 6, wherein the holding device 22 is U-shaped and provided with opposite openings 25, 25 'for receiving the armature 20.
  • the holding device 22 of the lower holder part 10 and the associated end portion 14 of the upper holder part 11 are spaced apart from each other and extend parallel to each other. They are arranged offset to one another in the longitudinal direction of the holder 5, wherein the receiving bore 21 of the upper holder 11 and the apertures 25, 25 'of the lower holder 10 are arranged on an imaginary line.
  • the armature 20 is formed in three pieces. It has a lower anchor portion 26 which is concreted in the bottom plate 1 and an upper anchor portion 27 which projects beyond the top 23 of the concrete messenger plate 1 and is detachably connected to the lower anchor portion 26.
  • the lower anchor part 26 is held by the holding device 22 of the lower holder part 10 and the upper anchor part 27 is screwed via a conical threaded bushing 28 with the lower anchor member 26.
  • the upper holder part 11 is connected with its end portion 14 via the receiving bore 21 with the upper anchor member 27 and is pressed with a clamping nut 29 from above against the threaded bushing 28.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The wall edge formwork (3) has a step formwork unit (4) and a holder (5) for the step formwork unit, which is fastened to reinforcement (6) of the base plate (1). The holder holds the step formwork unit for concreting the step (2) with vertical distance over the reinforcement. The step formwork unit has a vertical step formwork section (7) for concreting the step and a horizontal base formwork section for concreting a storage space (9) for a single-face wall formwork. An independent claim is included for a method for positioning a single-face wall formwork with form work panels and brace frames on a base plate made of concrete.

Description

Die Erfindung betrifft eine Wandrandabschalung zum Gießen einer Bodenplatte aus Beton zum Aufstellen einer einhäuptigen Schalung. Die Erfindung betrifft außerdem ein Verfahren zum Aufstellen einer einhäuptigen Wandschalung mit Schaltafeln und Stützböcken auf einer Bodenplatte aus Beton.The invention relates to a Wandrandabschalung for casting a concrete floor slab for erecting a one-sided formwork. The invention also relates to a method for erecting a one-sided wall formwork with formwork panels and support blocks on a concrete floor slab.

Eine einhäuptige Schalung wird bei der Herstellung von Stahlbetonbauteilen verwendet, die nur von einer Seite her zugänglich sind. Im Gegensatz zu einer zweihäuptigen Schalung sind deren Schaltafeln nur auf einer Seite der zu betonierenden Wand angeordnet. Eine solche Schalung wird beispielsweise beim Betonieren einer Wand gegen eine Felswand eingesetzt. Hierbei bildet die den Schaltafeln gegenüberliegende Felswand die zweite Schalfläche für die zu erstellende Betonwand, so dass es nicht möglich ist, den Frischbetondruck, wie bei der zweihäuptigen Schalung, durch Spannanker gegen die zweite Schalfläche abzuleiten. Anstelle dessen muss beim einhäuptigen Schalen der Lastabtrag mittels Stützböcken über Schräganker in eine zuvor betonierte Bodenplatte erfolgen. Zu diesem Zweck ist es bekannt, stabförmige Anker in einer Reihe mit einer bestimmten Neigung in die Bodenplatte einzubetonieren. Dazu wird der Anker vor dem Gießen der Betonplatte üblicherweise mit einem Halter an einer Bewehrung der Bodenplatte befestigt, die den Anker für das Einbetonieren in einer vorbestimmten Position und Neigung hält.One-sided formwork is used in the manufacture of reinforced concrete components that are accessible only from one side. In contrast to a two-sided formwork whose formwork panels are arranged only on one side of the wall to be concreted. Such a formwork is used, for example, when concreting a wall against a rock wall. In this case, the cliff wall opposite the formwork panels forms the second formwork surface for the concrete wall to be created, so that it is not possible to derive the fresh concrete pressure, as in the case of the two-sided formwork, by means of tension anchors against the second formwork surface. Instead, in the case of single-sided shells, the load transfer must take place by means of support brackets via oblique anchors into a previously concreted base plate. For this purpose it is known to embed rod-shaped anchors in a row with a certain inclination in the bottom plate. For this purpose, the anchor is usually attached prior to casting the concrete slab with a holder to a reinforcement of the bottom plate, which holds the anchor for the setting in a predetermined position and inclination.

Beim Errichten der einhäuptigen Schalung müssen die Schaltafeln an einer vorgegebenen Stelle und miteinander fluchtend aufgestellt werden. Das Ausrichten der Schaltafeln ist insbesondere dann schwierig, wenn die Schaltafeln großflächig ausgebildet und damit so schwer sind, dass sie nur mit einem Kran oder dergleichen aufgestellt werden können.When erecting the one-sided formwork, the formwork panels must be placed in a predetermined position and aligned with each other. The Aligning the formwork panels is particularly difficult if the formwork panels are formed over a large area and thus are so heavy that they can be placed only with a crane or the like.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Möglichkeit vorzuschlagen, die das Ausrichten von Schaltafeln einer einhäuptigen Schalung vereinfacht.The invention is therefore based on the object to propose a way that simplifies the alignment of formwork panels of a one-sided formwork.

Diese Aufgabe wird erfindungsgemäß durch eine Wandrandabschalung mit den Merkmalen des Anspruchs 1 sowie durch ein Verfahren mit den Merkmalen des Anspruchs 6 gelöst. Weitere vorteilhafte Ausgestaltungen sind den jeweils rückbezogenen Unteransprüchen zu entnehmen.This object is achieved by a Wandrandabschalung with the features of claim 1 and by a method having the features of claim 6. Further advantageous embodiments are shown in the respective dependent subclaims.

Kern der Erfindung ist die Idee, beim Betonieren der Bodenplatte bereits eine Stufe als niedriger Wandanfang für die einhäuptig herzustellende Betonwand herzustellen. An die Stufe können die Schaltafeln mit einem unteren Rand beim Aufstellen angelegt werden, was das Ausrichten in einer Linie enorm vereinfacht. Hierzu ist für die Herstellung der Stufe eine niedrige Wandrandabschalung notwendig, die an der Bewehrung der Bodenplatte befestigbar ist und die sich an der Stelle befindet, an der später die Wand betoniert werden soll.The core of the invention is the idea of already producing a step as a lower wall beginning for the one-sided concrete wall when concreting the floor slab. At the step, the formwork panels can be created with a bottom edge when setting up, which greatly simplifies alignment in a line. For this purpose, a low Wandrandabschalung necessary for the preparation of the stage, which is attachable to the reinforcement of the bottom plate and which is located at the point at which the wall is to be concreted later.

Die erfindungsgemäße Wandrandabschalung zum Gießen einer Bodenplatte mit Stufe aus Beton weist eine Stufenschalelement und mindestens einen Halter für das Stufenschalelement auf, der an einer Bewehrung der Bodenplatte befestigbar ist und der das Stufenschalelement zum Betonieren der Stufe mit vertikalem Abstand über der Bewehrung hält. Die Stufe wird gleichzeitig mit der Bodenplatte betoniert, wobei das Stufenschalelement, beispielsweise ein Kantholz oder ein L-Profil aus Holz oder Metall, vor dem Gießen der Betonplatte entlang einer gewünschten Wandkante (Kehle) an der Bewehrung der Betonplatte fixiert wird und die Anker für die Stützböcke der einhäuptigen Schalung mit gleichbleibendem Abstand zu dem Stufenschalelement positioniert werden. Nach dem Betonieren und Aushärten des Betons der Betonplatte mit Stufe werden die Stufenschalelemente von den Haltern gelöst und über eine Oberseite der Bodenplatte vorstehende Abschnitte der Halter von der Bodenplatte entfernt.The Wandrandabschalung invention for casting a concrete floor slab according to the invention has a Stufenschalelement and at least one holder for the Stufenschalelement which is fastened to a reinforcement of the bottom plate and holds the Stufenschalelement for concreting the step with a vertical distance above the reinforcement. The step is concreted simultaneously with the bottom plate, the step formwork element, such as a squared timber or L-profile made of wood or metal, is fixed before pouring the concrete slab along a desired wall edge (throat) on the reinforcement of the concrete slab and anchors for Supporting blocks of one-sided formwork are positioned at a constant distance from the stepped formwork element. After concreting and hardening the concrete of the concrete slab with step, the step scarf elements are released from the supports and above a top of the bottom slab protruding portions of the brackets are removed from the floor slab.

Vorteilhafterweise weist das Stufenschalelement der Wandrandabschalung einen vertikalen Stufenschalabschnitt zum Betonieren der Stufe und einen horizontalen Fußschalabschnitt zum Betonieren einer Stellfläche für die einhäuptige Wandschalung auf. Dabei bestimmt der vertikale Stufenschalabschnitt die Höhe der Stufe und der horizontale Stufenschalabschnitt die Tiefe der Stellfläche vor der Stufe der Bodenplatte. Grundsätzlich genügt der vertikale Stufenschalabschnitt zum Betonieren der Stufe.Advantageously, the Stufenschalelement the Wandrandabschalung on a vertical Stufenschalabschnitt for concreting the step and a horizontal Fußschalabschnitt for concreting a footprint for the one-sided wall formwork. In this case, determines the vertical Stufenschalabschnitt the height of the step and the horizontal stepped scarf section, the depth of the footprint in front of the step of the bottom plate. Basically, the vertical stepped scarf section is sufficient for concreting the step.

Zum Festlegen einer Richtung der zukünftigen Wandkante muss das Stufenschalelement mit mindestens zwei Haltern an der Bewehrung befestigt werden, wobei die Halter beispielsweise in bekannter Weise mittels einem Draht an der Bewehrung angerödelt werden können. Dabei besteht jedoch das Problem, dass die Lage der Halter oft nicht die gewünschte Genauigkeit besitzt. Um eine ungenaue Position der Halter ausgleichen zu können, ist bei einer bevorzugten Ausführungsform der Erfindung an den Haltern eine Verstelleinrichtung für das daran befestigte Stufenschalelement vorgesehen. Mit der Verstelleinrichtung ist das Stufenschalelement horizontal und vertikal verstellbar, d.h. parallel und senkrecht zu der zu betonierenden Stufe. Außerdem kann damit der Abstand einer Unterseite oder des unteren Randes des Stufenschalelementes gegenüber der Bewehrung verändert werden.To set a direction of the future wall edge, the step formwork element must be fastened to the reinforcement with at least two holders, wherein the holders can, for example, be bristled in a known manner by means of a wire on the reinforcement. However, there is the problem that the position of the holder often does not have the desired accuracy. In order to be able to compensate for an inaccurate position of the holder, in a preferred embodiment of the invention, an adjusting device for the stepped scarf element attached thereto is provided on the holders. With the adjustment of the stepped scarf element is horizontally and vertically adjustable, i. parallel and perpendicular to the step to be concreted. In addition, so that the distance of a bottom or the lower edge of the stepped shell element relative to the reinforcement can be changed.

Die Verstelleinrichtung kann mit einer Befestigungseinrichtung für das Stufenschalelement an dem Halter kombiniert sein. Dazu kann beispielsweise eine Schraubverbindung vorgesehen sein, die sich durch mindestens ein Langloch in dem Stufenschalelement und/oder dem Halter erstreckt. Durch Verschieben der Schraubverbindung in dem Langloch ist die Lage des Stufenschalelements gegenüber dem Halter in Erstreckungsrichtung des Langloches veränderbar und durch Einfügen, Entfernen oder Variation eines Distanzstückes zwischen dem Stufenschalelement und dem Halter in Erstreckungsrichtung der Schraubverbindung veränderbar. Abhängig davon, ob die Schraubverbindung horizontal oder vertikal angeordnet ist, ermöglicht das Langloch eine horizontale und die Distanzstücke eine vertikale Verstellung des Stufenschalelementes gegenüber dem Halter, oder umgekehrt. Mit der Verstelleinrichtung kann somit sowohl die Höhe wie auch die Tiefe der zu betonierenden Stufe verändert werden.The adjusting device can be combined with a fastening device for the stepped sound element on the holder. For this purpose, for example, a screw can be provided, which extends through at least one slot in the stepped shell element and / or the holder. By moving the screw in the slot, the position of the stepped shell element relative to the holder in the extension direction of the elongated hole is changeable and changeable by insertion, removal or variation of a spacer between the stepped shell element and the holder in the direction of extension of the screw. Depending on whether the screw is arranged horizontally or vertically, the slot allows a horizontal and the spacers vertical adjustment of the stepped scarf element opposite the holder, or vice versa. Thus, both the height and the depth of the stage to be concreted can be changed with the adjusting device.

Bei einer Ausführungsform der erfindungsgemäßen Wandrandabschalung weist der Halter ein in die Bodenplatte einzubetonierendes unteres Halterteil und ein nicht in die Bodenplatte einzubetonierendes oberes Halterteil auf, das vorzugsweise von dem unterem Halterteil lösbar ist. An dem oberen Halterteil ist das Stufenschalelement befestigt. Damit kann nach dem Betonieren der Bodenplatte mit Stufe das obere Halterteil mit dem daran befestigten Stufenschalelement auf einfache Weise von der Oberseite der Bodenplatte entfernt werden. Das wiedergewonnen obere Halterteil kann zusammen mit dem Stufenschalelement weiter verwendet werden.In one embodiment of the wall edge formwork according to the invention, the holder has a lower holder part to be embedded in the base plate and an upper holder part which is not to be embedded in the base plate and which is preferably detachable from the lower holder part. At the upper holder part the Stufenschalelement is attached. Thus, after concreting the floor slab with step, the upper holder part with the step scarf element attached thereto can be easily removed from the top of the floor slab. The recovered upper holder part can be further used together with the stage scarf element.

Bei einer Variante der Erfindung weist der Halter eine Halteeinrichtung für den in die Bodenplatte einzubetonierenden Anker auf. Der Halteeinrichtung ist vorzugsweise an dem unteren Halterteil des Halters angeordnet, das an der Bewehrung der Betonplatte befestigt wird. Die Haltereinrichtung hält den Anker in einer vorbestimmten Position und einer vorbestimmten Neigung gegenüber dem Stufenschalelement und der Bewehrung der Bodenplatte. Dabei wird der Anker nur an dem unteren Halterteil befestigt, ein zusätzliches direktes Verbinden mit der Bewehrung ist nicht erforderlich. Die Ausrichtung der Anker in einer Linie erfolgt damit selbständig mit dem Ausrichten der Halter der Wandrandabschalung an der Bewehrung. Das obere Halterteil ist dabei vorzugsweise über den Anker mit dem unteren Halterteil verbunden, wobei das obere Halterteil mit unterschiedlichem Abstand zu dem unteren Halterteil an dem Anker befestigbar ist. Damit kann der Abstand des am oberen Halterteil befestigten Stufenschalelementes gegenüber der Bewehrung beliebig eingestellt werden.In a variant of the invention, the holder has a holding device for the anchor to be embedded in the base plate. The holding device is preferably arranged on the lower holder part of the holder, which is fastened to the reinforcement of the concrete slab. The holding means holds the armature in a predetermined position and a predetermined inclination with respect to the step formwork element and the reinforcement of the bottom plate. In this case, the anchor is attached only to the lower holder part, an additional direct connection to the reinforcement is not required. The orientation of the anchors in a line is thus independent with the alignment of the holder of Wandrandabschalung on the reinforcement. The upper holder part is preferably connected via the armature to the lower holder part, wherein the upper holder part is fastened to the armature at different distances from the lower holder part. Thus, the distance between the attached to the upper part of the holder stage shell element relative to the reinforcement can be set arbitrarily.

Bei dem erfindungsgemäßen Verfahren zum Aufstellen einer einhäuptigen Wandschalung mit Schaltafeln und Stützböcken auf einer Bodenplatte aus Beton wird zuerst eine Bodenplatte mit angeformter Stufe aus Beton betoniert, wobei die Bodenplatte vor der Stufe eine ebene Stellfläche für die Schaltafeln aufweist und vor der Stellfläche in die Betonplatte einbetonierte Anker für die Stützböcke in einer Reihe angeordnet sind. Die Stufe befindet sich an der Stelle, an der eine Wand auf der Bodenplatte betoniert werden soll Anschließend erfolgt das Errichten der einhäuptigen Wandschalung und das Ausrichten der Schaltafeln in einer Linie auf der Stellfläche der Bodenplatte, wobei zum Ausrichten ein unterer Rand der Schaltafeln an einem vertikalen Stufenabschnitt der Stufe in Anlage gebracht wird. Zuletzt werden die Stützböcke, an denen die Schaltafeln befestigt sind, an der Bodenplatte durch Spannen mit den einbetonierten Ankern verankert.In the method according to the invention for erecting a one-sided wall formwork with formwork panels and support blocks on a concrete floor slab, a floor slab is first concreted with molded concrete step, wherein the bottom plate before the step has a flat footprint for the formwork panels and in front of the footprint in the concrete slab anchored anchor for the trestles are arranged in a row. The step is at the point where a wall on the floor slab is to be concreted. Then, the single-sided wall formwork is erected and the formworks aligned in line with the floor slab footprint, with a lower edge of the formwork slats being aligned vertically Step section of the stage is brought into abutment. Lastly, the trestles to which the formwork panels are attached are anchored to the floor slab by clamping with the anchored anchors.

Mit Hilfe der Stufe können die Schaltafeln schnell und einfach positionsgenau auf der Stellfläche vor der Stufe aufgestellt und mit den Stützböcken an der Bodenplatte fixiert werden. Zu der Herstellung der Bodenplatte mit Stufe aus Beton wird vorzugsweise die vorstehend beschriebene erfindungsgemäße Wandrandabschalung verwendet, wobei die Herstellung wie folgt abläuft. Zuerst wird eine Stirnflächenschalung für die Bodenplatte auf einem Boden angeordnet. Anschließend wird eine Bewehrung in den von der Stirnflächenschalung begrenzten Schalungsinnenraum eingebracht. Dann wird die Wandrandabschalung mit ihren Haltern derart an der Bewehrung der Bodenplatte befestigt, dass Stufenschalelemente der Wandrandabschalung mit vertikalem Abstand über der Bewehrung angeordnet sind. Dann erfolgt das Ausrichten der Stufenschalelemente in vertikaler und/oder horizontaler Richtung mittels einer an dem Halter vorgesehenen Verstelleinrichtung. Als nächstes wird der einzubetonierende Anker an einer an dem Halter ausgebildeten Halteeinrichtung für den Anker angebracht, die den Anker in einer vorbestimmten Position und in einer vorbestimmten Neigung hält. Schließlich erfolgt das Gießen der Bodenplatte und der Stufe aus Beton, wobei ein vertikaler Stufenschalabschnitt der Stufenschalelemente eine Stufenhöhe der Stufe und ein horizontaler Stufenabschnitt der Stufenschalelemente die Stellfläche vor der Stufe bestimmt. Nach dem Aushärten des Betons werden die Stufenschalelemente und über eine Oberseite der Bodenplatte vorstehende Abschnitte des Halters der Wandrandabschalung von der Bodenplatte entfernt.With the aid of the step, the formwork panels can be set up quickly and easily in exact position on the footprint in front of the step and fixed with the support brackets on the bottom plate. To produce the concrete floor slab, it is preferable to use the above-described wall slab according to the present invention, which is as follows. First, a face mold for the floor slab is placed on a floor. Subsequently, a reinforcement is introduced into the shuttering space bounded by the end formwork. Then the Wandrandabschalung is fastened with their holders to the reinforcement of the bottom plate that Stufenschalelemente the Wandrandabschalung are arranged vertically spaced above the reinforcement. Then, the leveling elements are aligned in the vertical and / or horizontal direction by means of an adjusting device provided on the holder. Next, the anchor to be embedded is attached to an anchor holder formed on the holder which holds the anchor in a predetermined position and at a predetermined inclination. Finally, the casting of the bottom plate and the step of concrete, wherein a vertical stepped scarf portion of the Stufenschalelemente a step height of the step and a horizontal step portion of the Stufenschalelemente determines the footprint in front of the stage. After the concrete has hardened, the step-scarf elements and sections of the holder of the wall-edge formwork projecting beyond a top side of the bottom plate are removed from the bottom plate.

Nachfolgend wir die Erfindung anhand eines in der beigefügten Zeichnung dargestellten Ausführungsbeispiels veranschaulicht. Weitere Merkmale der Erfindung ergeben sich aus der Erläuterung des Ausführungsbeispiels in Verbindung mit den Ansprüchen. Die einzige Figur der Zeichnung zeigt eine gegossene Bodenplatte 1 aus Beton mit einer angegossenen Stufe 2 in einer schematischen Schnittdarstellung, wobei die Stufe 2 mittels einer erfindungsgemäßen Wandrandabschalung 3 hergestellt ist.In the following we will illustrate the invention with reference to an embodiment shown in the attached drawing. Further features of the invention will become apparent from the explanation of the embodiment in conjunction with the claims. The sole figure of the drawing shows a cast base plate 1 made of concrete with a cast-on stage 2 in a schematic sectional view, wherein the stage 2 is produced by means of a Wandrandabschalung 3 according to the invention.

Die erfindungsgemäße Wandrandabschalung 3 weist ein Stufenschalelement 4 auf, das mittels einem Halter 5 an einer Bewehrung 6 der Bodenplatte 1 befestigt ist. Der Halter 5 hält das Stufenschalelement 4, wenn die Bodenplatte 1 noch nicht gegossen ist, mit vertikalem Abstand über der Bewehrung 6. Das Stufenschalelement 4 ist beispielsweise als L-Profil aus Holz oder Metall ausgeführt und so an dem Halter 5 angeordnet, dass ein Schenkel einen vertikalen Stufenschalabschnitt 7 und der andere Schenkel einen horizontalen Fußschalabschnitt 8 bildet. Der vertikale Stufenschalabschnitt 7 bestimmt die Höhe der Stufe 2 und der horizontale Fußschalabschnitt 8 die Tiefe einer Stellfläche 9 vor der Stufe 2 der Bodenplatte 1. Die Stellfläche 9 ist zum Aufstellen von in der Zeichnung nicht dargestellten Schaltafeln einer einhäuptigen Wandschalung vorgesehen und die Stufe 2 zum Ausrichten der Schaltafeln zu einer fluchtenden Reihe.The wall edge shuttering 3 according to the invention has a stepped shutter element 4, which is fastened by means of a holder 5 to a reinforcement 6 of the base plate 1. The holder 5 holds the stepped scarf element 4, when the bottom plate 1 is not cast, with a vertical distance above the reinforcement 6. The stepped scarf element 4 is designed for example as an L-profile made of wood or metal and arranged on the holder 5, that a leg a vertical stepped scarf portion 7 and the other leg forms a horizontal Fußschalabschnitt 8. The vertical stepped scarf section 7 determines the height of the step 2 and the horizontal foot scarf section 8, the depth of a footprint 9 in front of the level 2 of the bottom plate 1. The footprint 9 is provided for setting up not shown in the drawing formwork panels a one-sided wall formwork and the stage 2 for Aligning the formwork panels to an aligned row.

Der Halter 5 weist ein unteres Halterteil 10 auf, das an der Bewehrung 6 befestigt ist, und ein oberes Halterteil 11, an dem das Stufenschalelement 4 angebracht ist. Die beiden Halterteile 10, 11 sind lösbar miteinander verbunden. Das obere Halterteil 11 weist einen Mittelabschnitt 12 auf, der bei dem an der Bewehrung 6 befestigten Halter 5 horizontal verläuft. An den Mittelabschnitt 12 schließen ein dem Stufenschalelement 4 zugeordneter Endabschnitt 13 sowie ein dem unteren Halterteil 10 zugeordnete Endabschnitt 14 an, wobei der Endabschnitt 13 um 90° nach oben und der Endabschnitt 14 um 45° nach unten gegenüber dem Mittelabschnitt 12 abgewinkelt ist.The holder 5 has a lower holder part 10 which is fixed to the reinforcement 6, and an upper holder part 11, on which the Stufenschalelement 4 is mounted. The two holder parts 10, 11 are detachably connected to each other. The upper holder part 11 has a central portion 12 which extends horizontally at the holder 5 attached to the reinforcement 6. To the central portion 12 include the stepped shell element 4 associated end portion 13 and the lower holder member 10 associated end portion 14, wherein the end portion 13 is angled 90 ° upwards and the end portion 14 at 45 ° downwards relative to the central portion 12.

Das Stufenschalelement 4 ist mit seinem horizontalen Stufenschalabschnitt 8 mit dem horizontalen Mittelabschnitt 12 des oberen Halterteils 11 verschraubt, wobei der Fußschalabschnitt 8 ein Rundloch 15 und der Mittelabschnitt 12 ein Langloch 16 aufweisen, durch die sich eine Schraubverbindung 17 erstreckt. Die Schraubverbindung 17 ermöglicht eine Veränderung des Abstandes des horizontalen Stufenschalabschnitt 8 zu dem horizontalen Mittelabschnitt 12 und des vertikalen Stufenschalabschnitt 7 zu dem vertikalen Endabschnitt 13 des Halters 5 durch dazwischen anordenbare Distanzstücke 18, 18'. Die Schraubverbindung 17 und das Langloch 16 bilden zusammen mit den Distanzstücken 18, 18' eine Verstelleinrichtung 19 des Halters 5 für das Stufenschalelement 4.The stepped scarf element 4 is screwed with its horizontal stepped scarf section 8 with the horizontal middle section 12 of the upper holder part 11, the foot scarf section 8 having a round hole 15 and the middle section 12 having a slot 16 through which a screw connection 17 extends. The screw 17 allows a change in the distance of the horizontal stepped scarf section 8 to the horizontal middle section 12 and the vertical stepped scarf section 7 to the vertical end portion 13 of the holder 5 by means of spacers 18, 18 'arranged therebetween. The screw 17 and the slot 16 together with the spacers 18, 18 'an adjusting device 19 of the holder 5 for the stepped shutter element. 4

Das obere Halterteil 11 ist mit dem unteren Halterteil 10 über einen in die Bodenplatte 1 einzubetonierenden Anker 20 verbunden. Dazu weist der zweite Endabschnitt 14 des oberen Halterteils 11 eine Aufnahmebohrung 21 für den Anker 20 auf und das untere Halterteil 10 eine Halteeinrichtung 22 für den Anker 20, die den Anker 20 um 45° gegenüber einer Oberseite 23 der Bodenplatte 1 geneigt hält. Von der Halteeinrichtung 22 weg erstreckt sich ein Befestigungsabschnitt 24 zum Befestigen des unteren Halterteils 10 an der Bewehrung 6, wobei die Haltevorrichtung 22 U-förmig ausgebildet und mit einander gegenüberliegenden Durchbrüchen 25, 25' zur Aufnahme des Ankers 20 versehen ist. Die Haltevorrichtung 22 des unteren Halterteils 10 und der zugeordnete Endabschnitt 14 des oberen Halterteils 11 sind voneinander beabstandet und erstrecken sich parallel zueinander. Sie sind in Längsrichtung des Halters 5 zueinander versetzt angeordnet, wobei die Aufnahmebohrung 21 des oberen Halters 11 und die Durchbrüche 25, 25' des unteren Halters 10 auf einer gedachten Linie angeordnet sind.The upper holder part 11 is connected to the lower holder part 10 via an anchor 20 to be embedded in the base plate 1. For this purpose, the second end portion 14 of the upper holder part 11 has a receiving bore 21 for the armature 20 and the lower holder part 10, a holding device 22 for the armature 20, which holds the armature 20 inclined by 45 ° with respect to a top 23 of the bottom plate 1. From the holding device 22 away, a fastening portion 24 extends for attaching the lower holder part 10 to the reinforcement 6, wherein the holding device 22 is U-shaped and provided with opposite openings 25, 25 'for receiving the armature 20. The holding device 22 of the lower holder part 10 and the associated end portion 14 of the upper holder part 11 are spaced apart from each other and extend parallel to each other. They are arranged offset to one another in the longitudinal direction of the holder 5, wherein the receiving bore 21 of the upper holder 11 and the apertures 25, 25 'of the lower holder 10 are arranged on an imaginary line.

Der Anker 20 ist dreistückig ausgebildet. Er weist ein unteres Ankerteil 26 auf, das in die Bodenplatte 1 einbetoniert wird und ein oberes Ankerteil 27, das über die Oberseite 23 der betonierten Botenplatte 1 vorsteht und lösbar mit dem unteren Ankerteil 26 verbunden ist. Das untere Ankerteil 26 wird von der Haltevorrichtung 22 des unteren Halterteils 10 gehalten und das obere Ankerteil 27 ist über eine konische Gewindebuchse 28 mit dem unteren Ankerteil 26 verschraubt. Das obere Halterteil 11 ist mit seinem Endabschnitt 14 über die Aufnahmebohrung 21 mit oberen Ankerteil 27 verbunden und wird mit einer Spannmutter 29 von oben gegen die Gewindebuchse 28 gepresst.The armature 20 is formed in three pieces. It has a lower anchor portion 26 which is concreted in the bottom plate 1 and an upper anchor portion 27 which projects beyond the top 23 of the concrete messenger plate 1 and is detachably connected to the lower anchor portion 26. The lower anchor part 26 is held by the holding device 22 of the lower holder part 10 and the upper anchor part 27 is screwed via a conical threaded bushing 28 with the lower anchor member 26. The upper holder part 11 is connected with its end portion 14 via the receiving bore 21 with the upper anchor member 27 and is pressed with a clamping nut 29 from above against the threaded bushing 28.

Claims (8)

Wandrandabschalung (3) zum Gießen einer Bodenplatte (1) mit Stufe (2) aus Beton, mit einem Stufenschalelement (4) und mit mindestens einem Halter (5) für das Stufenschalelement (4), der an einer Bewehrung (6) der Bodenplatte (1) befestigbar ist und der das Stufenschalelement (4) zum Betonieren der Stufe (2) mit vertikalem Abstand über der Bewehrung (6) hält.A wall edge formwork (3) for casting a floor slab (1) with a step (2) made of concrete, with a step formwork element (4) and with at least one holder (5) for the step formwork element (4) attached to a reinforcement (6) of the floor slab (4). 1) can be fastened and holds the stepped scarf element (4) for concreting the step (2) at a vertical distance above the reinforcement (6). Wandrandabschalung nach Anspruch 1, dadurch gekennzeichnet, dass das Stufenschalelement (4) einen vertikalen Stufenschalabschnitt (7) zum Betonieren der Stufe (3) und einen horizontalen Fußschalabschnitt (8) zum Betonieren einer Stellfläche (9) für eine einhäuptige Wandschalung aufweist.Wandrandabschalung according to claim 1, characterized in that the Stufenschalelement (4) has a vertical Stufenschalabschnitt (7) for concreting the step (3) and a horizontal Fußschalabschnitt (8) for concreting a footprint (9) for a one-sided wall formwork. Wandrandabschalung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Halter (5) eine Verstelleinrichtung (19) für das Stufenschalelement (4) aufweist, mit der das Stufenschalelement (4) horizontal und/oder vertikal verstellbar ist.Wandrandabschalung according to claim 1 or 2, characterized in that the holder (5) has an adjusting device (19) for the Stufenschalelement (4), with which the Stufenschalelement (4) is horizontally and / or vertically adjustable. Wandrandabschalung nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass der Halter (5) ein in die Bodenplatte (1) einzubetonierendes unteres Halterteil (10) und ein nicht in die Bodenplatte (1) einzubetonierendes oberes Halterteil (11) aufweist, das vorzugsweise von dem unteren Halterteil (10) lösbar ist und an dem das Stufenschalelement (4) befestigt ist.Wandrandabschalung according to any one of the preceding claims, characterized in that the holder (5) in the bottom plate (1) einzubetonierendes lower holder part (10) and not in the bottom plate (1) einzubetonierendes upper holder part (11), preferably from the lower holder part (10) is releasable and on which the Stufenschalelement (4) is attached. Wandrandabschalung nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass der Halter (5) eine Halteeinrichtung (22) für einen in die Bodenplatte (1) einzubetonierenden Anker (20) aufweist.Wandrandabschalung according to any one of the preceding claims, characterized in that the holder (5) has a holding device (22) for a in the bottom plate (1) einzubetonierenden anchor (20). Verfahren zum Aufstellen einer einhäuptigen Wandschalung mit Schaltafeln und Stützböcken auf einer Bodenplatte aus Beton, gekennzeichnet durch die folgenden Schritte: • Betonieren einer Bodenplatte (1) mit Stufe (2) aus Beton, wobei die Bodenplatte (1) vor der Stufe (2) eine ebene Stellfläche (9) für die Schaltafeln aufweist und vor der Stellfläche (9) in die Bodenplatte (1) einbetonierte Anker (5) für die Stützböcke in einer Reihe angeordnet sind; • Errichten der Wandschalung und Ausrichten der Schaltafeln in einer Linie auf der Stellfläche (9) der Bodenplatte (1), wobei zum Ausrichten ein unterer Rand der Schaltafeln an einem vertikalen Stufenabschnitt der Stufe (2) in Anlage gebracht wird; und • Verankern der Stützböcke der Wandschalung an der Bodenplatte (1) an den einbetonierten Ankern (5). Method for erecting a one-sided wall formwork with formwork panels and support frames on a concrete floor slab, characterized by the following steps: Concreting a floor slab (1) with a step (2) made of concrete, wherein the floor slab (1) in front of the step (2) has a flat footprint (9) for the shuttering panels and in front of the footprint (9) into the floor slab (1) cast-in anchors (5) for the trestles are arranged in a row; • erecting the wall formwork and aligning the formwork panels in a line on the footprint (9) of the floor panel (1), wherein a lower edge of the formwork panels is brought into abutment with a vertical step portion of the step (2) for alignment; and • Anchoring the support frames of the wall formwork to the base plate (1) on the anchors (5). Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass zur Herstellung der Bodenplatte (1) mit Stufe (2) aus Beton eine Wandrandabschalung (3) mit den Merkmalen gemäß einem der Ansprüche 1 bis 5 verwendet wird.A method according to claim 6, characterized in that for the production of the bottom plate (1) with step (2) made of concrete a Wandrandabschalung (3) having the features according to one of claims 1 to 5 is used. Verfahren nach Anspruch 7 gekennzeichnet durch die folgenden Schritte: • Anordnung einer Stirnflächenschalung für die Bodenplatte (1) auf einem Boden; • Einbringen einer Bewehrung (6) in den von der Stirnflächenschalung begrenzten Schalungsinnenraum; • Befestigen der Wandrandabschalung (3) mit ihren Haltern (5) an der Bewehrung (6) der Bodenplatte (1), wobei Stufenschalelemente (4) der Wandrandabschalung (3) mit vertikalem Abstand über der Bewehrung (6) angeordnet sind; • Ausrichten der Stufenschalelemente (4) der Wandrandabschalung (3) in vertikaler und/oder horizontaler Richtung mittels einer an dem Halter (5) vorgesehenen Verstelleinrichtung (19); • Anbringen des einzubetonierenden Ankers (20) an einer an dem Halter (5) ausgebildeten Halteeinrichtung (22) für den Anker (5), die den Anker (20) in einer vorbestimmten Position und in einer vorbestimmten Neigung hält; • Gießen der Bodenplatte (1) und der Stufe (2) mittels Beton, wobei ein vertikaler Stufenschalabschnitt (7) der Stufenschalelemente (4) eine Stufenhöhe der Stufe (2) und ein horizontaler Stufenschalabschnitt (8) der Stufenschalelemente (4) die Stellfläche (9) vor der Stufe (2) bestimmt; und • Entfernen der Stufenschalelemente (4) und von über eine Oberseite (23) der Bodenplatte (1) vorstehenden Abschnitten des Halters (5) der Wandrandabschalung (3). Method according to claim 7, characterized by the following steps: Arrangement of an end-face formwork for the floor slab (1) on a floor; • introducing a reinforcement (6) in the shuttering space bounded by the end formwork; • fastening the wall edge formwork (3) with its holders (5) on the reinforcement (6) of the bottom plate (1), wherein Stufenschalelemente (4) of Wandrandabschalung (3) are arranged at a vertical distance above the reinforcement (6); Aligning the stepped shutter elements (4) of the wall edge shuttering (3) in the vertical and / or horizontal direction by means of an adjusting device (19) provided on the holder (5); Attaching the anchor (20) to be embedded to a holder (22) for the armature (5) formed on the holder (5) and holding the armature (20) in a predetermined position and at a predetermined inclination; Casting the bottom plate (1) and the step (2) by means of concrete, wherein a vertical stepped scarf portion (7) of the Stufenschalelemente (4) has a step height of the step (2) and a horizontal Stufenschalabschnitt (8) of the Stufenschalelemente (4) the footprint ( 9) before stage (2); and • Removing the Stufenschalelemente (4) and of a top (23) of the bottom plate (1) projecting portions of the holder (5) of Wandrandabschalung (3).
EP09008236.3A 2008-08-02 2009-06-24 Wall edge stop end for pouring a concrete floor plate with a step and a method for forming a step for pouring a concrete floor plate with the step Not-in-force EP2149653B1 (en)

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DE1253441B (en) * 1959-07-31 1967-11-02 Karl Voss Angled formwork rail for concreting stairs
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Publication number Priority date Publication date Assignee Title
CN106013158A (en) * 2016-06-07 2016-10-12 中国十七冶集团有限公司 Aluminum alloy formwork one-edge formwork-supporting device

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