EP0633367B1 - Shuttering with forming boards and connecting means - Google Patents

Shuttering with forming boards and connecting means Download PDF

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Publication number
EP0633367B1
EP0633367B1 EP94110062A EP94110062A EP0633367B1 EP 0633367 B1 EP0633367 B1 EP 0633367B1 EP 94110062 A EP94110062 A EP 94110062A EP 94110062 A EP94110062 A EP 94110062A EP 0633367 B1 EP0633367 B1 EP 0633367B1
Authority
EP
European Patent Office
Prior art keywords
web
shuttering
section
edge
hollow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94110062A
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German (de)
French (fr)
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EP0633367A1 (en
Inventor
Kurt Jaruzel
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PASCHAL-WERK G MAIER GmbH
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PASCHAL-WERK G MAIER GmbH
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Publication of EP0633367A1 publication Critical patent/EP0633367A1/en
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Publication of EP0633367B1 publication Critical patent/EP0633367B1/en
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Classifications

    • 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • 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
    • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
    • 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/04—Forming boards or similar elements the form surface being of wood
    • 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G2009/023—Forming boards or similar elements with edge protection
    • E04G2009/025—Forming boards or similar elements with edge protection by a flange of the board's frame

Definitions

  • the invention relates to a formwork with formwork panels and connecting means for this, wherein on parallel edges of formwork panels have a closed hollow cross-section edge profiles are provided, each of which has a stop web running at right angles to the formwork skin at the outermost edge of the formwork panel for tight contact with a corresponding stop web of an adjacent one Formwork board as well as at an approximately parallel holding bridge attack points for the edge profiles of adjacent formwork panels have connecting clamps, wherein in the stop webs of the hollow edge profiles in the longitudinal direction of their extension there are holes next to one another for the insertion of connecting bolts, which have at least one end at their end in cross-section in the connecting position have radially protruding projection which can be inserted through the perforation with the connecting bolt.
  • Such formwork is known from DE 38 38 488 C2 or DE-38 38 509 C1.
  • the edge profiles provided with a closed, approximately rectangular hollow cross-section have one on the retaining web trough-shaped indentation for attacking a clip, as is known for example from DE GM 88 14 208.
  • Such a clamp is aimed at double the dimension of a hollow edge profile and can only bring about a frictional connection.
  • formwork panels not only have edge profiles with a hollow cross-section, but also edge webs made of flat material, which is particularly advantageous if, for example, the formwork of panels that can be changed is to be combined with flat formwork panels.
  • the clamps which permit a certain closing movement are not suitable for such combinations of a hollow edge profile with an edge web consisting of flat material.
  • the invention has for its object to provide a formwork of the type mentioned, with which panels with hollow edge profiles can be connected to each other or with panels whose edge webs are made of flat material, so have no hollow cross-section and no multiple folds, but which are practically only in the edge plane at right angles to the formlining and whose free edge also ends in this plane.
  • the perforations in the stop bars are designed as keyhole-like or elongated holes for the connecting bolts, that the connecting bolts engage behind the edge of the perforations in the locked position or rotated position, that the distance and the size of the holes on the stop web correspond to the corresponding Dimensions of such perforations on flat edge webs formed from flat material correspond to further formwork panels and that the clear distance between the radially projecting projection and an axially spaced counter stop of the connecting bolt corresponds to the total thickness of the edge web formed from flat material and the thickness of the stop web of the hollow profile.
  • the holding web of the hollow edge profile opposite the stop web and also running approximately at right angles to the formlining can be unperforated.
  • the connecting bolt is required if a flat edge web is to be attached to an edge profile with a hollow cross-section, from which the connecting bolt with its projection can be inserted into the interior of the hollow cross-section of the edge profile and can then be fixed by twisting, so that the one or more protruding laterally Projections of this connecting bolt overlap the inside of the edges of the perforation of the edge profile.
  • the connecting bolt is correspondingly short and practically fits such a connecting bolt, as has previously been provided for connecting two formwork panels only with flat edge webs, the projection provided on the connecting bolt advantageously being radially opposite on both sides protrudes this bolt and its end and can for example be formed by a cross pin or can also be in one piece.
  • the hollow cross-section of the edge profile can be approximately rectangular or square and at least one bead, groove, groove or indentation for attacking corresponding projections of a fastening clip can be formed on the retaining web facing away from the stop bar.
  • the edge profile thus has a shape that allows a clip to be engaged, but also offers the possibility of attaching a connecting bolt if a formwork panel with a different design of the peripheral edge, namely only a flat edge web, is to be attached to it.
  • the hollow profile can be closed off at the back of the formlining with a fastening web that lies against this formwork skin and runs approximately at right angles to the stop web, and the formwork skin, which is made in particular of wood, can rest against this fastening web.
  • the formlining can thus extend almost to the outermost edge of the formwork panel and in any case further than is specified by the retaining web of the edge profile.
  • stop web provided with perforations is thicker than the other webs of the hollow edge profile and if the other webs of the edge profile by approximately U-shaped profile are formed, which rests with its edges on the stop profile and is welded to it at least one edge.
  • you can use connecting bolts transmitted forces can be introduced without the risk of deformation, while at the same time the remaining part of the hollow edge profile can have a thinner wall cross-section in a manner favorable for the total weight of the formwork panel, but due to the hollow cross-section it is nevertheless sufficient to be able to absorb the forces transmitted with a bracket .
  • the hollow edge profile with different edge thicknesses is adapted to the respective connecting means and the forces transmitted by them so that each of the connecting means to be used, be it a clamp or a connecting bolt, can transmit the corresponding forces without the risk of undesired deformation .
  • Embodiments of the hollow edge profile and the arrangement of the perforations and the fastening of the formwork skin are the subject of claims 6 to 10.
  • the U-leg can be moved as a fastening web relative to the stop web, which is advantageous in the type of fastening of the formlining specified in claims 7 to 9, because a screw connection is carried out with this fastening web and its welding to the stop web possibly would lead to unwanted deformations or faults and would not allow adaptation to the course of the formlining.
  • the formwork skin can be edged with its edge practically within a groove, that is, have a good fastening, which by the according to claim 8 penetrating screws is still improved. It can be clamped in with the aid of these screws, because the fastening web can be pulled and pressed against the formlining by tightening the screws without being hindered by fastening or welding to the stop web.
  • the holes for inserting connecting bolts can be accommodated as close as possible to the formlining without the projections of such connecting bolts projecting in the radial direction being obstructed by the fastening web.
  • Claim 11 finally specifies an arrangement which relates to the formwork panels, which can be adjusted in terms of their curvature by means of tensioning screws or turnbuckles which act on stiffening girders and edge profiles connected to the formlining.
  • connecting bolts can be used, which not only allows non-positive, but also positive locking of the same height, firm and absolutely secure connection of two formwork panels by means of the bolts themselves or the formwork panels can also be produced by such connecting bolts by the shear forces that can be absorbed by the bolts and not only be connected by frictional forces.
  • connecting brackets can also be used This is used, which is particularly advantageous when there are differences in height between adjacent segments or formwork panels and which is expedient when two formwork panels or segments with a hollow cross-section have edge profiles.
  • a formwork shown partially in top view in FIG. 1 has formwork panels 1, which in this exemplary embodiment have trapezoidal stiffening girders 3 between their edge profiles 2, which are provided at the edges and have a closed hollow cross section, and are suitable for formworking curved surfaces, possibly even in their curvature to be changed.
  • edge profile 2 each has a stop bar 5 running at the outermost edge of the formwork panel 1 and at right angles to the formwork skin 4 for tight contact with a corresponding stop web 5 of a neighboring control panel (FIGS. 1 and 2 ) and on an approximately parallel holding web 6 attack points for the edge profiles 2 of adjacent formwork panels 1 encompassing connecting clips 7.
  • the hollow cross-section of the edge profile 2 is approximately rectangular or square and on the holding web 6 facing away from the stop web 5, an indentation 8 for the engagement of corresponding projections 9 of the respective fastening clip 7 is formed or molded on.
  • perforations 10, according to FIG. 4 keyhole-like perforations 10, according to FIG. 5 possibly also oblong perforations, are provided in the stop webs 5 of the hollow edge profiles 2 in their longitudinal direction with a possibly changing spacing, for insertion of a connecting bolt 11, which 3 has at the end on both sides of its cross-section protruding projections 12 of the same length.
  • the bolt 11 can be inserted with these projections 12 through the respective perforation 10 and then fixed by twisting.
  • the projections 12 engage behind the edges of the perforation 10 after the connecting bolt 11 has been rotated accordingly. To loosen it, it can in turn be rotated back by approximately 90 °, so that the projections 12 can then be pulled out due to the longer extension of the perforation 10.
  • the distance and the size of the perforations 10 on the stop web 5 corresponds to the dimensions of such perforations 10 on flat edge webs 13 formed from flat material of further formwork panels 1, so that formwork panels with different edges according to FIG. 3 can be fastened to one another with the aid of such a connecting bolt and afterwards their formlining 4 is aligned in the desired manner on the side facing the concrete.
  • Formwork panels 1 with different edge profiles 2 or edge webs 13 can thus be combined.
  • the counter-stop 14 is formed in this case by a plate spring, which in turn rests on a head 15 of the connecting bolt 11, which can also carry a handle 16 for rotating this connecting bolt 11.
  • the hollow edge profile 2 is closed off on the rear side of the formwork skin 4 facing away from the concrete with a fastening web 17 which bears against this formwork skin 4 and runs approximately at right angles to the stop web 5.
  • the formwork skin 4 in particular made of wood, can rest against this fastening web 17 and can even be anchored in an advantageous manner according to the following description.
  • the stop bar 5 provided with perforations 10 is thicker in all exemplary embodiments than the remaining bars of the hollow edge profile 2, that is to say the hollow edge profile 2 in the area of the stop bar 5 has a greater wall thickness than in its remaining cross-sectional profile. This makes sense because in the area of the stop bar 5 When using a connecting bolt 11 according to FIG. 3, the resulting forces are to be absorbed, while when using a connecting clip 7 the closed hollow cross section is designed to be sufficiently rigid even with thinner wall thickness in order to transmit the forces then occurring.
  • the stop profile 5 could thus be a conventional rolled profile in a simple manner, for example an angle profile, to which a further U-shaped profile 18 is connected in the manner described, so that despite the use of different wall thicknesses, the total outlay for producing this edge profile 2 , which should have 5 perforations 10 on the stop bar, is relatively small, because the perforations 10 can be conveniently attached before connection to the U-profile 18.
  • the U-profile 18 forming or closing the hollow cross-section of the edge profile 2 is welded to the edge of the stop web 5 which is furthest away from the formlining 4.
  • the bead-like indentation 8 for the fastening clip 7 is provided in the exemplary embodiment at the transition from the holding web 6 standing at right angles to the formlining to the fastening web 17 of the edge profile 2 resting on the formlining 4, as can be clearly seen in FIGS. 1 to 3 and 6.
  • the forces of the connecting bracket 7 can thus be transmitted as close as possible to the formlining 4 on the edge profiles 2, so that this results in the lowest possible bending loads on these edge profiles 2 and, above all, the stop bars 5.
  • the perforations 10 in the stop web 5 are also arranged as close as possible to the formwork skin 4 within the edge profile 2 in order to bring about the best possible power transmission. It can be seen from FIG. 3 that the perforations 10 are arranged so close to the formwork skin 4 that the projection 12, which points in the direction of the formwork skin 4 and protrudes radially on the connecting bolt 11, in the anchoring position on the inside up to the fastening web 17 resting on the formwork skin 4 or, according to FIG. 3, even engages in a recess 21 provided in the area of the perforations 10 of the stop web 5 in the fastening web 17.
  • the stop bar 5 has, on its edge facing away from the hollow profile and facing the concrete, a flange 22 engaging behind the formwork skin 4 on the concrete side and countersunk into the formwork skin 4, which together with the fastening web 17 forms a groove 23 encompassing the edge of the formwork skin 4, which one well recognized in Figure 6.
  • the formlining 4 is framed like a frame at its outermost edge, so that a very good and firm connection can be made with the hollow edge profile 2.
  • the flange 22 can thereby be a leg of an angular profile forming the stop bar 5.
  • the fastening web 17 of the hollow edge profile 2 which is in contact with the formlining 4 on its side facing away from the concrete, with screw or threaded holes 24 arranged at a distance from one another, and the fastening flange 22 which overlaps the formwork skin 4 on the concrete side at a corresponding height for the formlining 4 in this edge area penetrating fastening screws 26.
  • the heads 27 of the fastening screws 26 are countersunk in the respective flange 22 and, when the screws 26 are tightened, that is to say the fastening web 17 is pulled from the other side against the formlining 4, so that the latter can be firmly clamped in the groove 23 .
  • fastening web 17 having the threaded holes 24 of the edge profile 2 and expediently also the formlining 4 extend to the outside of the stop web 5 and that the fastening web 17 can be moved relative to the stop web 5 due to elastic bending. At this point it becomes clear why it is favorable to leave the edge 20 of the U-profile 18 unattached in relation to the stop bar 5. As a result of the elastic movability of the fastening web 17, the fastening web 17 can perform the clamping movement required when tightening the screws 26 relative to the formlining 4, especially since the flange 22 is thicker than the fastening web 17.
  • the threaded holes 24 are offset in the longitudinal direction of the edge profile 2 relative to recesses 21 for retaining projections 12 of fastening bolts 11. This prevents the fastening screws 26 and connecting bolts 11 from colliding with one another.
  • the threaded holes 24 of the recesses 21 can be arranged unaffected at the most favorable location of the fastening web 17.
  • the formwork allows the connection of formwork panels 1 with differently shaped edges, with different connecting means then also being able to be used.
  • the formwork panels 1 with hollow edge profiles 2 are fully compatible with formwork panels 1 which have flat edge webs 13. If formwork panels 1 are connected to one another with hollow edge webs 2, the known connecting clip 7 can be used, while due to the perforations 10 in the stop webs 5 of the hollow edge profiles 2, formwork panels 1 which only have flat edge webs 13 can also be connected with the aid of the connecting bolts 11.
  • the entire formwork is thus much better adaptable to different formwork problems, may also allow narrower curvatures in certain areas and enables an owner of formwork panels with flat edge webs 13 to combine them with those with hollow edge webs 2. He can use the connecting bolts that are already available, because the thickness of the stop webs 5 is expediently equal to the thickness of the flat edge webs 13 of these formwork panels.
  • the formwork with formwork panels 1 and connecting means for these, namely connecting brackets 7 and connecting bolts 11, has formwork panels 1 with a closed hollow cross-section having edge profiles 2, each of which has a stop 5 for tight fitting which extends at the outermost edge of the formwork panel 1 and extends at right angles to the formlining 4 have a corresponding stop 5 of a neighboring control panel and on an approximately parallel holding web 6 attack points in the form of indentations 8 for the edge profiles 2 of adjacent control panels 1 encompassing connecting clip 7.
  • holes 10 for the insertion of connecting bolts 11 are provided in the stop webs 5 of the hollow edge profile 2 in their longitudinal extension direction at a distance from one another, which connecting bolts have radially protruding projections 12 in one end region, which engages behind the edges of the perforations in the anchoring or locking position are, while in the rotated position the insertion and removal of the bolt 11 with its projections 12 is possible, since the perforations 10 are elongated holes or keyhole-like perforations.
  • the distance and the size of the perforations 10 corresponds to the analog dimensions of such perforations 10 on edge webs 13 formed from flat material of further formwork panels 1 and the clear distance between the projections 12 and a counter stop 14 axially spaced therefrom of the connecting bolt 11 is approximately equal to the total thickness of the flat edge webs 13 or a flat edge web 13 and a stop web 5 of the edge profile 2, so that formwork panels with flat edge webs 13 can be connected to formwork panels with hollow edge profiles 2 with the aid of such connecting bolts 11.
  • Formwork panels with flat edge webs 13 can also be connected to one another with the aid of the connecting bolts 11, and formwork panels with hollow edge profiles 2 can also be connected to one another by means of connecting clamps 7.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
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Abstract

A shuttering with shuttering boards (1) and connecting means for the same, namely connecting clamps (7) and connecting bolts (11) exhibits shuttering boards (1) with border profiles (2) which have a closed hollow cross-section and each has a stop (5), running on the outermost border of the shuttering board (1), projecting at right angles to the shuttering skin (4) and intended for sealed abutment against a corresponding stop (5) of a neighbouring shuttering board, as well as, on a retaining web (6) which is approximately parallel to said stop (5), engagements locations in the form of shaped recesses (8) for connecting clamps (7) which engage around the border profiles (2) of neighbouring shuttering boards (1). Furthermore, holes (10) for the introduction of connecting bolts (11) are provided at mutual spacings in the stop webs (5) of the hollow border profile (2), in the direction of the longitudinal extent thereof, which connection bolts have, in an end region, protrusions (12) which project radially with respect to the cross-section of the bolts and which engage behind the borders of the holes in the anchoring or locking position, while, in a position rotated with respect to this, it is possible to introduce and draw out the bolt (11) with its protrusions (12) since the holes (10) are slots or keyhole-like holes. The spacing and the size of the holes (10) corresponds to the analogous dimensions of such holes (10) on border webs (13), formed from flat material, of further shuttering boards (1), and the clear spacing between the protrusions (12) and a counter-stop (14), which is spaced apart axially therefrom and belongs to the connecting bolt (11), is approximately equal to the overall thickness of the flat border webs (13) or of one flat border web (13) and a stop web (5) of the border profile (2), with the result that shuttering boards with flat border webs (13) can be connected to shuttering boards with hollow border profiles (2) with the aid of such connecting bolts (11). Furthermore, shuttering boards with flat border webs (13) can be connected to one another with the aid of the connecting bolts (11) and, likewise, shuttering boards with hollow border profiles (2) can be connected to one another by means of connecting clamps (7). <IMAGE>

Description

Die Erfindung betrifft eine Schalung mit Schaltafeln und Verbindungsmitteln für diese, wobei an parallelen Rändern von Schaltafeln einen geschlossenen Hohlquerschnitt aufweisende Randprofile vorgesehen sind, die jeweils einen am äußersten Rand der Schaltafel verlaufenden, rechtwinklig zur Schalhaut stehenden Anschlagsteg zum dichten Anlegen an einem entsprechenden Anschlagsteg einer benachbarten Schaltafel sowie an einem dazu etwa parallelen Haltesteg Angriffsstellen für die Randprofile benachbarter Schaltafeln umgreifende Verbindungsklammern haben, wobei in den Anschlagstegen der hohlen Randprofile in deren Längserstreckungsrichtung mit Abstand nebeneinander Lochungen zum Einführen von Verbindungsbolzen vorgesehen sind, welche an ihrem Ende wenigstens einen gegenüber ihrem Querschnitt in Verbindungsposition radial vorstehenden Vorsprung haben, der mit dem Verbindungsbolzen durch die Lochung einführbar ist.The invention relates to a formwork with formwork panels and connecting means for this, wherein on parallel edges of formwork panels have a closed hollow cross-section edge profiles are provided, each of which has a stop web running at right angles to the formwork skin at the outermost edge of the formwork panel for tight contact with a corresponding stop web of an adjacent one Formwork board as well as at an approximately parallel holding bridge attack points for the edge profiles of adjacent formwork panels have connecting clamps, wherein in the stop webs of the hollow edge profiles in the longitudinal direction of their extension there are holes next to one another for the insertion of connecting bolts, which have at least one end at their end in cross-section in the connecting position have radially protruding projection which can be inserted through the perforation with the connecting bolt.

Eine derartige Schalung ist aus DE 38 38 488 C2 oder DE-38 38 509 C1 bekannt. Die mit einem geschlossenen, etwa rechteckigen Hohlquerschnitt versehenen Randprofile haben dabei an dem Haltesteg eine rinnenförmige Einformung für den Angriff einer Klammer, wie sie beispielsweise aus DE GM 88 14 208 bekannt ist.Such formwork is known from DE 38 38 488 C2 or DE-38 38 509 C1. The edge profiles provided with a closed, approximately rectangular hollow cross-section have one on the retaining web trough-shaped indentation for attacking a clip, as is known for example from DE GM 88 14 208.

Eine solche Klammer ist dabei auf die doppelte Abmessung eines hohlen Randprofiles ausgerichtet und kann nur eine reibschlüssige Verbindung bewirken.Such a clamp is aimed at double the dimension of a hollow edge profile and can only bring about a frictional connection.

In vielen Fällen kann es jedoch zweckmäßig sein, wenn Schaltafeln der Schalung nicht nur Randprofile mit Hohlquerschnitt, sondern auch aus Flachmaterial bestehende Randstege haben, was insbesondere dann günstig ist, wenn zum Beispiel in ihrer Krümmung veränderbare Schaltafeln mit ebenen Schaltafeln kombiniert werden sollen. Die eine gewisse Schließbewegung erlaubenden Klammern sind für solche Kombinationen eines hohlen Randprofiles mit einem aus Flachmaterial bestehenden Randsteg nicht geeignet.In many cases, however, it can be useful if formwork panels not only have edge profiles with a hollow cross-section, but also edge webs made of flat material, which is particularly advantageous if, for example, the formwork of panels that can be changed is to be combined with flat formwork panels. The clamps which permit a certain closing movement are not suitable for such combinations of a hollow edge profile with an edge web consisting of flat material.

Bisher werden auch solche Schaltafeln nur mit flachen Randstegen in aller Regel mit Hilfe von Verbindungsbolzen etwa gemäß DE-PS 21 37 505 verbunden. Diese Verbindungsbolzen haben jedoch zwischen rechtwinklig zur Bolzenoberfläche vorstehenden Vorsprüngen und Gegenanschlägen einen zu geringen Abstand, um Randprofile mit hohlem Querschnitt durchsetzen zu können.So far, such formwork panels have generally only been connected with flat edge webs with the aid of connecting bolts, for example according to DE-PS 21 37 505. However, these connecting bolts are too short a distance between projections and counter-stops projecting at right angles to the bolt surface in order to be able to push through edge profiles with a hollow cross-section.

Zwar ist aus DE 38 38 509 C1 schon ein Vorschlag bekannt geworden, mit einem relativ langen und aufwendigen Bolzen zwei einen hohlen Querschnitt aufweisende Randprofile in einer parallel zur Schalhaut liegenden Richtung zu durchsetzen und dadurch zu verbinden, jedoch erfordert dies in den Hohlprofilen durchgehende Löcher, die entweder die hohlen Randprofile schwächen oder aber im Inneren der Randprofile auch als Führung für den jeweiligen Bolzen mit Hülsen ausgestattet sein müssen, was den Herstellungsaufwand entsprechend vergrößert.DE 38 38 509 C1 has already made known a proposal to use a relatively long and complex bolt to penetrate and thereby connect two edge profiles with a hollow cross section in a direction parallel to the formlining, but this requires through holes in the hollow profiles, which either weaken the hollow edge profiles or must also be equipped with sleeves inside the edge profiles as a guide for the respective bolt, which increases the manufacturing effort accordingly.

Der Erfindung liegt die Aufgabe zugrunde, eine Schalung der eingangs erwähnten Art zu schaffen, mit der in beliebiger Weise Schaltafeln mit hohlen Randprofilen untereinander oder aber auch mit Schaltafeln verbunden werden können, deren Randstege aus Flachmaterial bestehen, also keinen Hohlquerschnitt und keine mehrfachen Abkantungen aufweisen, sondern die praktisch nur in der rechtwinklig zur Schalhaut stehenden Randebene liegen und deren Freirand auch in dieser Ebene endet.The invention has for its object to provide a formwork of the type mentioned, with which panels with hollow edge profiles can be connected to each other or with panels whose edge webs are made of flat material, so have no hollow cross-section and no multiple folds, but which are practically only in the edge plane at right angles to the formlining and whose free edge also ends in this plane.

Die Lösung dieser Aufgabe besteht darin, daß die Lochungen in den Anschlagstegen als schlüssellochartige oder Langlochungen für die Verbindungsbolzen ausgebildet sind, daß die Verbindungsbolzen den Rand der Lochung in Verriegelungsstellung oder verdrehter Position hintergreifen, daß der Abstand und die Größe der Lochungen an dem Anschlagsteg den entsprechenden Abmessungen solcher Lochungen an aus Flachmaterial gebildeten flachen Randstegen von weiteren Schaltafeln entspricht und daß der lichte Abstand zwischen dem radial vorstehenden Vorsprung und einem davon axial beabstandeten Gegenanschlag des Verbindungsbolzens der Gesamtdicke des aus Flachmaterial gebildeten Randsteges und der Dicke des Anschlagsteges des Hohlprofiles entspricht.The solution to this problem is that the perforations in the stop bars are designed as keyhole-like or elongated holes for the connecting bolts, that the connecting bolts engage behind the edge of the perforations in the locked position or rotated position, that the distance and the size of the holes on the stop web correspond to the corresponding Dimensions of such perforations on flat edge webs formed from flat material correspond to further formwork panels and that the clear distance between the radially projecting projection and an axially spaced counter stop of the connecting bolt corresponds to the total thickness of the edge web formed from flat material and the thickness of the stop web of the hollow profile.

Durch diese Anordnung und Lösung ist es in überraschender Weise möglich, an einem hohlen Randprofil einen flachen Randsteg einer nur mit solchen Stegen ausgestalteten Schaltafeln mit Hilfe eines Verbindungsbolzens zu befestigen, der in die übereinstimmenden Lochungen eingesteckt und durch Verdrehen oder in sonstiger Weise gesichert wird. Eine durch das Hohlprofil durchgehende Lochung wird ebenso vermieden wie eine Spezialklammer, die gewissermaßen auf die halbe Abmessung ihrer üblichen Klemmweite reduziert müßte. Dennoch können selbstverständlich innerhalb der Schalung auch Schaltafeln aneinander befestigt werden, die jeweils einen Hohlquerschnitt aufweisende Randprofile haben, indem sie mit einer Klammer verbunden werden. Ferner können untereinander Schaltafeln nur mit flachen Randstegen ebenfalls mit Hilfe der geschilderten Verbindungsbolzen etwa gemäß DE-PS 21 37 505 verbunden werden. Es ergibt sich also eine vielfältige Kombinationsmöglichkeit innerhalb der gesamten Schalung, so daß ein Benutzer derartige unterschiedliche Schaltafeln kombinieren kann, je nachdem, welche Belastungsfälle auftreten.With this arrangement and solution, it is surprisingly possible to fasten a flat edge web of a formwork panel designed only with such webs to a hollow edge profile with the aid of a connecting bolt which is inserted into the corresponding perforations and secured by twisting or in some other way. A perforation through the hollow profile is avoided as well a special clamp that would have to be reduced to half the size of its usual clamping width. Nevertheless, formwork panels can be attached to each other within the formwork, each of which has a hollow profile with edge profiles by connecting them with a clamp. Furthermore, formwork panels can also be connected to one another only with flat edge webs with the aid of the connecting bolts described, for example according to DE-PS 21 37 505. There is thus a wide range of possible combinations within the entire formwork, so that a user can combine such different formwork panels, depending on which load cases occur.

In vorteilhafter Weise kann dabei der dem Anschlagssteg gegenüberliegende, ebenfalls etwa rechtwinklig zur Schalhaut verlaufende Haltesteg des hohlen Randprofiles ungelocht sein. Der Verbindungsbolzen wird benötigt, wenn an einem Randprofil mit Hohlquerschnitt ein flacher Randsteg befestigt werden soll, von welchem aus der Verbindungsbolzen mit seinem Vorsprung in das Innere des Hohlquerschnittes des Randprofiles durchgesteckt und dann durch Verdrehen festgelegt werden kann, so daß dadurch der oder die seitlich abstehenden Vorsprünge dieses Verbindungsbolzens die Ränder der Lochung des Randprofiles innenseitig übergreifen. Ein Durchstecken durch das Gesamte Randprofil wird vermieden, so daß der Verbindungsbolzen entsprechend kurz sein und praktisch ein solcher Verbindungsbolzen paßt, wie er bisher schon für das Verbinden zweier Schaltafeln nur mit flachen Randstegen vorgesehen ist, wobei der an dem Verbindungsbolzen vorgesehene Vorsprung zweckmäßigerweise beidseits radial gegenüber diesem Bolzen und seinem Ende vorsteht und zum Beispiel von einem Querstift gebildet oder auch einstückig sein kann.Advantageously, the holding web of the hollow edge profile opposite the stop web and also running approximately at right angles to the formlining can be unperforated. The connecting bolt is required if a flat edge web is to be attached to an edge profile with a hollow cross-section, from which the connecting bolt with its projection can be inserted into the interior of the hollow cross-section of the edge profile and can then be fixed by twisting, so that the one or more protruding laterally Projections of this connecting bolt overlap the inside of the edges of the perforation of the edge profile. Pushing through the entire edge profile is avoided, so that the connecting bolt is correspondingly short and practically fits such a connecting bolt, as has previously been provided for connecting two formwork panels only with flat edge webs, the projection provided on the connecting bolt advantageously being radially opposite on both sides protrudes this bolt and its end and can for example be formed by a cross pin or can also be in one piece.

Damit auch eine Klammer an dem hohlen Randprofil gut angreifen kann, kann der Hohlquerschnitt des Randprofiles etwa rechteckig oder quadratisch sein und an dem den Anschlagsteg abgewandten Haltesteg kann wenigstens eine Sicke, Rinne, Nut oder Einformung für den Angriff entsprechender Vorsprünge einer Befestigungsklammer angeformt sein. Das Randprofil hat somit eine Formgebung, die den Angriff einer Klammer erlaubt, aber auch die Möglichkeit zum Ansetzen eines Verbindungsbolzens bietet, wenn eine Schaltafel mit anderer Ausbildung des umlaufenden Randes, nämlich nur einem flachen Randsteg, daran befestigt werden soll.So that a clip can also attack the hollow edge profile, the hollow cross-section of the edge profile can be approximately rectangular or square and at least one bead, groove, groove or indentation for attacking corresponding projections of a fastening clip can be formed on the retaining web facing away from the stop bar. The edge profile thus has a shape that allows a clip to be engaged, but also offers the possibility of attaching a connecting bolt if a formwork panel with a different design of the peripheral edge, namely only a flat edge web, is to be attached to it.

Das Hohlprofil kann an der Rückseite der Schalhaut mit einem an dieser Schalhaut anliegendem, etwa rechtwinklig zu dem Anschlagsteg verlaufenden Befestigungssteg abgeschlossen sein und die insbesondere aus Holz bestehende Schalhaut kann an diesem Befestigungssteg anliegen. Die Schalhaut kann also nahezu bis an den äußersten Rand der Schaltafel und jedenfalls weiter reichen, als es durch den Haltesteg des Randprofiles vorgegeben ist.The hollow profile can be closed off at the back of the formlining with a fastening web that lies against this formwork skin and runs approximately at right angles to the stop web, and the formwork skin, which is made in particular of wood, can rest against this fastening web. The formlining can thus extend almost to the outermost edge of the formwork panel and in any case further than is specified by the retaining web of the edge profile.

Eine zweckmäßige Ausgestaltung der Erfindung für eine bestmögliche Übertragung der durch die Verbindung mit einer Nachbarschaltafel mit flachen Randstegen auftretenden Kräfte ist es zweckmäßig, wenn der durch Lochungen versehene Anschlagsteg dicker als die übrigen Stege des hohlen Randprofiles ist und wenn die übrigen Stege des Randprofiles durch ein etwa U-förmiges Profil gebildet sind, welches mit seinen Rändern an dem Anschlagprofil anliegt und an wenigstens einem Rand damit verschweißt ist. Durch einen dickeren Anschlagsteg können also die durch Verbindungsbolzen übertragenen Kräfte ohne die Gefahr einer Verformung eingeleitet werden, während gleichzeitig der restliche Teil des hohlen Randprofiles in für das Gesamtgewicht der Schaltafel günstiger Weise einen dünneren Wandquerschnitt haben kann, der aber aufgrund des Hohlquerschnittes dennoch ausreicht, um die mit einer Klammer übertragenen Kräfte aufnehmen zu können. In überraschender Weise wird also das hohle Randprofil mit unterschiedlichen Randstärken an die jeweiligen Verbindungsmittel und die von diesen übertragenen Kräfte so angepaßt, daß jedes der einzusetzenden Verbindungsmittel, sei es eine Klammer, sei es ein Verbindungsbolzen, die entsprechenden Kräfte ohne Gefahr von ungewollten Verformungen übertragen kann.An expedient embodiment of the invention for the best possible transmission of the forces arising from the connection to a neighboring control panel with flat edge webs, it is expedient if the stop web provided with perforations is thicker than the other webs of the hollow edge profile and if the other webs of the edge profile by approximately U-shaped profile are formed, which rests with its edges on the stop profile and is welded to it at least one edge. With a thicker stop bar, you can use connecting bolts transmitted forces can be introduced without the risk of deformation, while at the same time the remaining part of the hollow edge profile can have a thinner wall cross-section in a manner favorable for the total weight of the formwork panel, but due to the hollow cross-section it is nevertheless sufficient to be able to absorb the forces transmitted with a bracket . Surprisingly, the hollow edge profile with different edge thicknesses is adapted to the respective connecting means and the forces transmitted by them so that each of the connecting means to be used, be it a clamp or a connecting bolt, can transmit the corresponding forces without the risk of undesired deformation .

Ausgestaltungen des hohlen Randprofiles und der Anordnung der Lochungen sowie der Befestigung der Schalhaut sind Gegenstand der Ansprüche 6 bis 10.Embodiments of the hollow edge profile and the arrangement of the perforations and the fastening of the formwork skin are the subject of claims 6 to 10.

Gemäß Anspruch 9 kann der U-Schenkel als Befestigungssteg gegenüber dem Anschlagsteg bewegbar sein, was bei der in den Ansprüchen 7 bis 9 angegebenen Art der Befestigung der Schalhaut vorteilhaft ist, weil eine Verschraubung mit diesem Befestigungssteg durchgeführt wird und seine Verschweißung mit dem Anschlagsteg eventuell zu ungewollten Verformungen oder Verwerfungen führen würde und keine Anpassung an den Verlauf der Schalhaut erlauben würde.According to claim 9, the U-leg can be moved as a fastening web relative to the stop web, which is advantageous in the type of fastening of the formlining specified in claims 7 to 9, because a screw connection is carried out with this fastening web and its welding to the stop web possibly would lead to unwanted deformations or faults and would not allow adaptation to the course of the formlining.

Gemäß Anspruch 7 kann dabei die Schalhaut mit ihrem Rand praktisch innerhalb einer Nut eingefaßt werden, also eine gute Befestigung haben, was durch die gemäß Anspruch 8 durchsetzende Schrauben noch verbessert wird. Sie kann mit Hilfe dieser Schrauben eingeklemmt werden, weil der Befestigungssteg durch das Anziehen der Schrauben gegen die Schalhaut gezogen und gepreßt werden kann, ohne durch eine Befestigung oder Verschweißung mit dem Anschlagsteg daran gehindert zu sein.According to claim 7, the formwork skin can be edged with its edge practically within a groove, that is, have a good fastening, which by the according to claim 8 penetrating screws is still improved. It can be clamped in with the aid of these screws, because the fastening web can be pulled and pressed against the formlining by tightening the screws without being hindered by fastening or welding to the stop web.

Gemäß Anspruch 6 können die Lochungen zum Einfügen von Verbindungsbolzen möglichst nah an der Schalhaut untergebracht werden, ohne daß die in radialer Richtung vorstehenden Vorsprünge solcher Verbindungsbolzen durch den Befestigungssteg behindert werden.According to claim 6, the holes for inserting connecting bolts can be accommodated as close as possible to the formlining without the projections of such connecting bolts projecting in the radial direction being obstructed by the fastening web.

Anspruch 11 gibt schließlich noch eine Anordnung an, die die Schaltafeln der Schalung betrifft, welche durch Spannschrauben oder Spannschlösser, die an mit der Schalhaut verbundenen Aussteifungsträgern und Randprofilen angreifen, bezüglich ihrer Krümmung verstellbar sind.Claim 11 finally specifies an arrangement which relates to the formwork panels, which can be adjusted in terms of their curvature by means of tensioning screws or turnbuckles which act on stiffening girders and edge profiles connected to the formlining.

Vor allem bei Kombination einzelner oder mehrerer der vorbeschriebenen Merkmale und Maßnahmen können völlig verschiedenartige Verbindungsmittel zum Zusammenfügen von Schaltafeln verwendet und miteinander kombiniert werden. Zum einen können die bekannten Verbindungsbolzen eingesetzt werden, was eine höhengleiche, feste und absolut sichere Verbindung zweier Schaltafeln nicht nur kraftschlüssig, sondern auch formschlüssig durch die Bolzen selbst ermöglicht beziehungsweise können durch solche Verbindungsbolzen die Schaltafeln auch durch die von den Bolzen aufnehmbaren Scherkräfte und nicht nur durch Reibkräfte verbunden werden. Andererseits können jedoch auch Verbindungsklammern zum Einsatz kommen, was vor allem bei Höhenunterschieden benachbarter Segmente oder Schaltafeln vorteilhaft ist und was dann zweckmäßig ist, wenn zwei Schaltafeln oder Segmente mit einem Hohlquerschnitt aufweisenden Randprofilen aneinander stoßen. Auf jeden Fall ergibt sich eine volle Kompatibilität zwischen Schaltafeln mit einem geschlossenen Hohlquerschnitt aufweisenden Randprofilen einerseits mit solchen Schaltafeln, die lediglich flache Randstege haben. Insgesamt kann dadurch auch eine schnellere Montagezeit erreicht werden. Schließlich erlaubt die Kombination von Schaltafeln mit Randprofilen einerseits und Randstegen andererseits eine flexiblere Anpassung an unterschiedliche Krümmungen, vor allem wenn der Krümmungsradius klein ist.Especially when combining one or more of the features and measures described above, completely different types of connecting means can be used to join together control panels and combined with one another. On the one hand, the known connecting bolts can be used, which not only allows non-positive, but also positive locking of the same height, firm and absolutely secure connection of two formwork panels by means of the bolts themselves or the formwork panels can also be produced by such connecting bolts by the shear forces that can be absorbed by the bolts and not only be connected by frictional forces. On the other hand, connecting brackets can also be used This is used, which is particularly advantageous when there are differences in height between adjacent segments or formwork panels and which is expedient when two formwork panels or segments with a hollow cross-section have edge profiles. In any case, there is full compatibility between formwork panels with a closed hollow section having edge profiles, on the one hand, with formwork panels that only have flat edge webs. Overall, a faster assembly time can also be achieved. Finally, the combination of formwork panels with edge profiles on the one hand and edge webs on the other allows more flexible adaptation to different curvatures, especially if the radius of curvature is small.

Nachstehend ist ein Ausführungsbeispiel der Erfindung anhand der Zeichnung näher beschrieben. Es zeigt in zum Teil schematisierter Darstellung:

Fig.1
die Draufsicht einer Schalung, bei welcher sich gegenüberstehende Schaltafeln in gleicher Richtung gekrümmt sind und an ihren aneinanderliegenden Rändern einen geschlossenen Hohlquerschnitt aufweisende Randprofile haben, die zum Verbinden jeweils von Verbindungsklammern umgriffen sind,
Fig.2
in vergrößertem Maßstab die Verbindung zweier Schaltafeln, die an ihren Rändern Randprofile mit einem geschlossenen Hohlquerschnitt haben, wobei zur Verbindung eine beide Randprofile umgreifende Klammer dient,
Fig.3
die Verbindung einer Schaltafel, an deren Rand ein Hohlprofil angeordnet ist, mit einer Schaltafel, die an ihrem Rand lediglich einen flachen Aussteifungssteg hat, wobei zur Verbindung ein Verbindungsbolzen dient, der in einem Endbereich zwei radial vorstehende Vorsprünge und in dem anderen Endbereich einen Gegenanschlag hat,
Fig.4
eine Ansicht auf einen Anschlagsteg eines Randprofiles mit hohlem Querschnitt oder auf einen flachen Aussteifungssteg, wobei mit Abstand zueinander etwa schlüssellochartige Lochungen für Verbindungsbolzen vorgesehen sind,
Fig.5
eine Seitenansicht eines Randprofiles von der dem Anschlagsteg abgewandten Seite her sowie
Fig.6
einen Querschnitt des mit einem Hohlquerschnitt versehenen Randprofiles im Bereich einer Lochung für einen Verbindungsbolzen.
An embodiment of the invention is described below with reference to the drawing. It shows in a partially schematic representation:
Fig. 1
the top view of a formwork, in which opposing formwork panels are curved in the same direction and have on their adjacent edges a closed hollow cross-section having edge profiles which are encompassed by connecting clamps for connecting,
Fig. 2
on an enlarged scale, the connection of two formwork panels which have edge profiles with a closed hollow cross-section at their edges, a clamp surrounding both edge profiles being used for the connection,
Fig. 3
the connection of a formwork panel, on the edge of which a hollow profile is arranged, with a formwork panel, which has only a flat stiffening web at its edge, with a connection Connection bolt is used, which has two radially projecting projections in one end region and a counter stop in the other end region,
Fig. 4
1 shows a view of a stop bar of an edge profile with a hollow cross section or of a flat stiffening bar, with keyhole-type perforations for connecting bolts being provided at a distance from one another,
Fig. 5
a side view of an edge profile from the side facing away from the stop web and
Fig. 6
a cross section of the edge profile provided with a hollow cross section in the region of a perforation for a connecting bolt.

Eine in Figur 1 teilweise in Draufsicht dargestellte Schalung weist Schaltafeln 1 auf, die in diesem Ausführungsbeispiel zwischen ihren an den Rändern vorgesehenen, einen geschlossenen Hohlquerschnitt aufweisenden Randprofilen 2 trapezförmige Aussteifungsträger 3 haben und dazu geeignet sind, gekrümmte Flächen zu schalen, eventuell sogar in ihrer Krümmung verändert zu werden.A formwork shown partially in top view in FIG. 1 has formwork panels 1, which in this exemplary embodiment have trapezoidal stiffening girders 3 between their edge profiles 2, which are provided at the edges and have a closed hollow cross section, and are suitable for formworking curved surfaces, possibly even in their curvature to be changed.

Vor allem in den Figuren 2, 3 und 6 erkennt man, daß ein derartiges Randprofil 2 jeweils einen am äußersten Rand der Schaltafel 1 verlaufenden, rechtwinklig zur Schalhaut 4 stehenden Anschlagsteg 5 zum dichten Anlegen an einen entsprechenden Anschlagsteg 5 einer Nachbarschaltafel (Figur 1 und 2) sowie an einem dazu etwa parallelen Haltesteg 6 Angriffsstellen für die Randprofile 2 benachbarter Schaltafeln 1 umgreifende Verbindungsklammern 7 haben.Above all in FIGS. 2, 3 and 6 it can be seen that such an edge profile 2 each has a stop bar 5 running at the outermost edge of the formwork panel 1 and at right angles to the formwork skin 4 for tight contact with a corresponding stop web 5 of a neighboring control panel (FIGS. 1 and 2 ) and on an approximately parallel holding web 6 attack points for the edge profiles 2 of adjacent formwork panels 1 encompassing connecting clips 7.

Der Hohlquerschnitt des Randprofiles 2 ist dabei etwa rechteckig oder quadratisch und an dem dem Anschlagsteg 5 abgewandten Haltesteg 6 ist eine Einformung 8 für den Angriff entsprechender Vorsprünge 9 der jeweiligen Befestigungsklammer 7 an- bzw. eingeformt.The hollow cross-section of the edge profile 2 is approximately rectangular or square and on the holding web 6 facing away from the stop web 5, an indentation 8 for the engagement of corresponding projections 9 of the respective fastening clip 7 is formed or molded on.

Gemäß Figur 3 bis 6 sind in den Anschlagstegen 5 der hohlen Randprofile 2 in deren Längserstreckungsrichtung mit - gegebenenfalls wechselndem - Abstand nebeneinander Lochungen 10, gemäß Figur 4 schlüssellochartige Lochungen 10, gemäß Figur 5 eventuell auch Langlochungen, zum Einführen jeweils eines Verbindungsbolzen 11 vorgesehen, welcher Verbindungsbolzen 11 gemäß Figur 3 am Ende beidseits gegenüber seinem Querschnitt radial vorstehende Vorsprünge 12 gleicher Länge hat. Der Bolzen 11 ist mit diesen Vorsprüngen 12 durch die jeweilige Lochung 10 einführbar und dann durch Verdrehen festlegbar. In der in Figur 3 dargestellten Verriegelungsstellung hintergreifen die Vorsprünge 12 die Ränder der Lochung 10, nachdem der Verbindungsbolzen 11 entsprechend verdreht ist. Zum Lösen kann er wiederum - um etwa 90° - zurückverdreht werden, so daß dann die Vorsprünge 12 durch die längere Ausdehnung der Lochung 10 herausgezogen werden können.According to FIGS. 3 to 6, perforations 10, according to FIG. 4, keyhole-like perforations 10, according to FIG. 5 possibly also oblong perforations, are provided in the stop webs 5 of the hollow edge profiles 2 in their longitudinal direction with a possibly changing spacing, for insertion of a connecting bolt 11, which 3 has at the end on both sides of its cross-section protruding projections 12 of the same length. The bolt 11 can be inserted with these projections 12 through the respective perforation 10 and then fixed by twisting. In the locking position shown in Figure 3, the projections 12 engage behind the edges of the perforation 10 after the connecting bolt 11 has been rotated accordingly. To loosen it, it can in turn be rotated back by approximately 90 °, so that the projections 12 can then be pulled out due to the longer extension of the perforation 10.

Der Abstand und die Größe der Lochungen 10 an dem Anschlagsteg 5 entspricht den Abmessungen solcher Lochungen 10 an aus Flachmaterial gebildeten flachen Randstegen 13 von weiteren Schaltafeln 1, so daß Schaltafeln mit unterschiedlichen Rändern gemäß Figur 3 mit Hilfe eines solchen Verbindungsbolzens aneinander befestigt werden können und danach ihre Schalhaut 4 jeweils auf der dem Beton zugewandten Seite in gewünschter Weise fluchtet. Es können also Schaltafeln 1 mit unterschiedlichen Randprofilen 2 beziehungsweise Randstegen 13 kombiniert werden.The distance and the size of the perforations 10 on the stop web 5 corresponds to the dimensions of such perforations 10 on flat edge webs 13 formed from flat material of further formwork panels 1, so that formwork panels with different edges according to FIG. 3 can be fastened to one another with the aid of such a connecting bolt and afterwards their formlining 4 is aligned in the desired manner on the side facing the concrete. Formwork panels 1 with different edge profiles 2 or edge webs 13 can thus be combined.

Wichtig ist dabei noch, daß der lichte Abstand zwischen den radial vorstehenden Vorsprüngen 12 und einem davon beabstandeten Gegenanschlag 14 des Verbindungsbolzens 11 der Gesamtdicke eines aus einem Flachmaterial gebildeten flachen Randsteges 13 und der Dicke des Anschlagsteges 5 des Hohlprofiles 2 entspricht, wie es anhand der Figur 3 ganz deutlich erkennbar ist. Der Gegenanschlag 14 ist in diesem Falle von einer Tellerfeder gebildet, die ihrerseits an einem Kopf 15 des Verbindungsbolzen 11 anliegt, der noch einen Handgriff 16 zum Verdrehen dieses Verbindungsbolzens 11 tragen kann.It is also important that the clear distance between the radially protruding projections 12 and a spaced counter abutment 14 of the connecting bolt 11 corresponds to the total thickness of a flat edge web 13 formed from a flat material and the thickness of the abutment web 5 of the hollow profile 2, as is shown in the figure 3 is clearly recognizable. The counter-stop 14 is formed in this case by a plate spring, which in turn rests on a head 15 of the connecting bolt 11, which can also carry a handle 16 for rotating this connecting bolt 11.

Ganz deutlich wird anhand der Figur 3 und auch der übrigen Figuren, daß der dem Anschlagsteg 5 gegenüberliegende, ebenfalls rechtwinklig zur Schalhaut 4 verlaufende Haltesteg 6 des hohlen Randprofiles 2 ungelocht, also ungeschwächt ist. Tatsächlich befindet sich etwa in Verlängerung der Lochung 10 die Einformung 8, so daß an dieser Stelle eine Lochung für einen durch die gesamte Dicke des Hohlprofiles 2 reichenden Verbindungsbolzen 11 sehr ungünstig wäre.It becomes very clear from FIG. 3 and also from the other figures that the holding web 6 of the hollow edge profile 2 opposite the stop web 5 and also running at right angles to the formlining 4 is not perforated, that is to say it is not weakened. In fact, the indentation 8 is located approximately in the extension of the perforation 10, so that a perforation for a connecting bolt 11 extending through the entire thickness of the hollow profile 2 would be very unfavorable at this point.

Gemäß den Figuren 1 bis 3 ist das hohle Randprofil 2 an der dem Beton abgewandten Rückseite der Schalhaut 4 mit einem an dieser Schalhaut 4 anliegenden, etwa rechtwinklig zu dem Anschlagsteg 5 verlaufenden Befestigungssteg 17 abgeschlossen. Die insbesondere aus Holz bestehende Schalhaut 4 kann an diesem Befestigungssteg 17 anliegen und gemäß der folgenden Beschreibung sogar in vorteilhafter Weise verankert sein.According to FIGS. 1 to 3, the hollow edge profile 2 is closed off on the rear side of the formwork skin 4 facing away from the concrete with a fastening web 17 which bears against this formwork skin 4 and runs approximately at right angles to the stop web 5. The formwork skin 4, in particular made of wood, can rest against this fastening web 17 and can even be anchored in an advantageous manner according to the following description.

Zunächst sei darauf hingewiesen, daß der mit Lochungen 10 versehene Anschlagsteg 5 in allen Ausführungsbeispielen dicker als die übrigen Stege des hohlen Randprofiles 2 ist, also das hohle Randprofil 2 im Bereich des Anschlagsteges 5 eine größere Wandstärke als in seinem übrigen Querschnittsverlauf hat. Dies ist sinnvoll, weil im Bereich des Anschlagsteges 5 bei Verwendung eines Verbindungsbolzens 11 gemäß Figur 3 die daraus resultierenden Kräfte aufgenommen werden sollen, während bei Verwendung einer Verbindungsklammer 7 der geschlossene Hohlquerschnitt in sich auch bei dünnerer Wandstärke genügend steif gestaltet ist, um die dann auftretenden Kräfte zu übertragen.First of all, it should be pointed out that the stop bar 5 provided with perforations 10 is thicker in all exemplary embodiments than the remaining bars of the hollow edge profile 2, that is to say the hollow edge profile 2 in the area of the stop bar 5 has a greater wall thickness than in its remaining cross-sectional profile. This makes sense because in the area of the stop bar 5 When using a connecting bolt 11 according to FIG. 3, the resulting forces are to be absorbed, while when using a connecting clip 7 the closed hollow cross section is designed to be sufficiently rigid even with thinner wall thickness in order to transmit the forces then occurring.

Diese unterschiedlichen Wandstärken des Querschnittes des Randprofiles 2 werden dadurch erreicht, daß die übrigen Stege des Randprofiles 2 durch ein etwa u-förmiges Profil 18 (vergleiche Figur 6) gebildet sind, welches mit seine U-Schenkeln und deren Rändern 19 und 20 an dem Anschlagprofil 5 - auf dessen der Anschlagseite abgewandter Rückseite - anliegt und an wenigstens einem Rand, im Ausführungsbeispiel dem Rand 19, damit verschweißt ist. Das Anschlagprofil 5 könnte somit auf einfache Weise ein übliches Walzprofil, zum Beispiel ein Winkelprofil sein, an welches ein u-förmig geformtes weiteres Profil 18 in der geschilderten Weise angeschlossen wird, so daß trotz der Verwendung unterschiedlicher Wandstärken der gesamte Aufwand zur Fertigung dieses Randprofiles 2, welches an dem Anschlagsteg 5 Lochungen 10 haben soll, relativ gering ist, denn die Lochungen 10 können vor der Verbindung mit dem U-Profil 18 bequem angebracht werden. In weiter unten noch zu beschreibender Weise ist es dabei günstig, daß an dem von der Schalhaut 4 am weitesten abliegenden Rand des Anschlagsteges 5 das den Hohlquerschnitt des Randprofiles 2 bildende oder schließende U-Profil 18 angeschweißt ist.These different wall thicknesses of the cross section of the edge profile 2 are achieved in that the remaining webs of the edge profile 2 are formed by an approximately U-shaped profile 18 (see FIG. 6), which with its U-legs and their edges 19 and 20 on the stop profile 5 - on the back of which faces away from the stop side - rests and is welded to at least one edge, in the exemplary embodiment the edge 19. The stop profile 5 could thus be a conventional rolled profile in a simple manner, for example an angle profile, to which a further U-shaped profile 18 is connected in the manner described, so that despite the use of different wall thicknesses, the total outlay for producing this edge profile 2 , which should have 5 perforations 10 on the stop bar, is relatively small, because the perforations 10 can be conveniently attached before connection to the U-profile 18. In a manner to be described further below, it is advantageous that the U-profile 18 forming or closing the hollow cross-section of the edge profile 2 is welded to the edge of the stop web 5 which is furthest away from the formlining 4.

Die sickenartige Einformung 8 für die Befestigungsklammer 7 ist im Ausführungsbeispiel am Übergang von dem rechtwinklig zur Schalhaut stehenden Haltesteg 6 zu dem an der Schalhaut 4 anliegenden Befestigungssteg 17 des Randprofiles 2 vorgesehen, wie man es in den Figuren 1 bis 3 und 6 deutlich erkennt. Die Kräfte der Verbindungsklammer 7 können somit möglichst nah an der Schalhaut 4 auf die Randprofile 2 übertragen werden, so daß daraus möglichst geringe Biegebelastungen an diesen Randprofilen 2 und vor allem den Anschlagstegen 5 resultieren.The bead-like indentation 8 for the fastening clip 7 is provided in the exemplary embodiment at the transition from the holding web 6 standing at right angles to the formlining to the fastening web 17 of the edge profile 2 resting on the formlining 4, as can be clearly seen in FIGS. 1 to 3 and 6. The forces of the connecting bracket 7 can thus be transmitted as close as possible to the formlining 4 on the edge profiles 2, so that this results in the lowest possible bending loads on these edge profiles 2 and, above all, the stop bars 5.

Auch die Lochungen 10 in dem Anschlagsteg 5 sind innerhalb des Randprofiles 2 so nah wie möglich an der Schalhaut 4 angeordnet, um eine bestmögliche Kraftübertragung zu bewirken. Aus Figur 3 ergibt sich, daß die Lochungen 10 so nah an der Schalhaut 4 angeordnet sind, daß der jeweils in Richtung der Schalhaut 4 weisende, an dem Verbindungsbolzen 11 radial vorstehende Vorsprung 12 in Verankerungsposition innenseitig bis zu dem an der Schalhaut 4 anliegenden Befestigungssteg 17 beziehungsweise gemäß Figur 3 sogar in eine im Bereich der Lochungen 10 des Anschlagsteges 5 in dem Befestigungssteg 17 vorgesehene Aussparung 21 eingreift. Dies erlaubt nicht nur eine Anordnung des Verbindungsbolzen 11 möglichst nahe an der Schalhaut 4, sondern auch eine Kombination einer Schaltafel 1 mit flachem Randsteg 13, die eventuell eine dünnere Schalhaut 4 als die andere Schaltafel 1 mit hohlem Randprofil 2 hat, wie sich aus Figur 3 ergibt. Trotz der dickeren Schalhaut 4 im Bereich des hohlen Randprofiles 2 können die Lochungen 10 in übereinstimmendem Abstand von dem betonseitigen Rand beziehungsweise der betonseitigen Ebene der Schalhaut 4 angeordnet werden, so daß die beiden Schaltafeln in der in Figur 3 dargestellten Weise auf ihrer dem Beton zugewandten Seite miteinander fluchten.The perforations 10 in the stop web 5 are also arranged as close as possible to the formwork skin 4 within the edge profile 2 in order to bring about the best possible power transmission. It can be seen from FIG. 3 that the perforations 10 are arranged so close to the formwork skin 4 that the projection 12, which points in the direction of the formwork skin 4 and protrudes radially on the connecting bolt 11, in the anchoring position on the inside up to the fastening web 17 resting on the formwork skin 4 or, according to FIG. 3, even engages in a recess 21 provided in the area of the perforations 10 of the stop web 5 in the fastening web 17. This not only allows the connecting bolt 11 to be arranged as close as possible to the formwork skin 4, but also a combination of a formwork panel 1 with a flat edge web 13, which may have a thinner formwork skin 4 than the other formwork panel 1 with a hollow edge profile 2, as can be seen in FIG. 3 results. Despite the thicker formlining 4 in the area of the hollow edge profile 2, the perforations 10 can be arranged at a corresponding distance from the concrete-side edge or the concrete-side plane of the formwork skin 4, so that the two formwork panels in the manner shown in Figure 3 on their side facing the concrete cursed with each other.

Der Anschlagsteg 5 hat im Ausführungsbeispiel an seinem dem Hohlprofil abgewandten, dem Beton zugewandten Rand einen die Schalhaut 4 betonseitig hintergreifenden, in die Schalhaut 4 eingesenkten Flansch 22, der mit dem Befestigungssteg 17 zusammen eine den Rand der Schalhaut 4 umgreifende Nut 23 bildet, die man gut in Figur 6 erkennt. Die Schalhaut 4 wird in diesem Falle also an ihrem äußersten Rand rahmenartig eingefaßt, so daß sich eine sehr gute und feste Verbindung mit dem hohlen Randprofil 2 herstellen läßt. Der Flansch 22 kann dabei ein Schenkel eines den Anschlagsteg 5 bildenden Winkelprofiles sein.In the exemplary embodiment, the stop bar 5 has, on its edge facing away from the hollow profile and facing the concrete, a flange 22 engaging behind the formwork skin 4 on the concrete side and countersunk into the formwork skin 4, which together with the fastening web 17 forms a groove 23 encompassing the edge of the formwork skin 4, which one well recognized in Figure 6. In this case, the formlining 4 is framed like a frame at its outermost edge, so that a very good and firm connection can be made with the hollow edge profile 2. The flange 22 can thereby be a leg of an angular profile forming the stop bar 5.

Vor allem aus Figur 2 ergibt sich, daß der an der Schalhaut 4 auf deren dem Beton abgewandter Seite anliegende Befestigungssteg 17 des hohlen Randprofiles 2 mit Abstand zueinander angeordnete Schraub- oder Gewindelöcher 24 und der die Schalhaut 4 betonseitig übergreifende Befestigungsflansch 22 auf übereinstimmender Höhe Stecklöcher 25 für die Schalhaut 4 in diesem Randbereich durchsetzende Befestigungsschrauben 26 hat. Man erkennt, daß die Köpfe 27 der Befestigungsschrauben 26 in den jeweiligen Flansch 22 eingesenkt sind und beim Anziehen der Schrauben 26 also der Befestigungssteg 17 von der anderen Seite her gegen die Schalhaut 4 gezogen wird, so daß diese in der Nut 23 fest eingeklemmt werden kann. Wichtig ist dabei, daß der die Gewindelöcher 24 aufweisende Befestigungssteg 17 des Randprofiles 2 und zweckmäßigerweise auch die Schalhaut 4 bis zur Außenseite des Anschlagsteges 5 verlaufen und daß der Befestigungssteg 17 gegenüber dem Anschlagsteg 5 aufgrund elastischer Verbiegung bewegbar ist. An dieser Stelle wird deutliche, warum es günstig ist, den Rand 20 des U-Profiles 18 gegenüber dem Anschlagsteg 5 unbefestigt zu lassen. Durch die dadurch gegebene elastische Bewegbarkeit des Befestigungssteges 17 kann dieser die beim Anziehen der Schrauben 26 erforderliche Klemmbewegung gegenüber der Schalhaut 4 durchführen, zumal der Flansch 22 dicker als der Befestigungssteg 17 ist.It can be seen above all from FIG. 2 that the fastening web 17 of the hollow edge profile 2, which is in contact with the formlining 4 on its side facing away from the concrete, with screw or threaded holes 24 arranged at a distance from one another, and the fastening flange 22 which overlaps the formwork skin 4 on the concrete side at a corresponding height for the formlining 4 in this edge area penetrating fastening screws 26. It can be seen that the heads 27 of the fastening screws 26 are countersunk in the respective flange 22 and, when the screws 26 are tightened, that is to say the fastening web 17 is pulled from the other side against the formlining 4, so that the latter can be firmly clamped in the groove 23 . It is important that the fastening web 17 having the threaded holes 24 of the edge profile 2 and expediently also the formlining 4 extend to the outside of the stop web 5 and that the fastening web 17 can be moved relative to the stop web 5 due to elastic bending. At this point it becomes clear why it is favorable to leave the edge 20 of the U-profile 18 unattached in relation to the stop bar 5. As a result of the elastic movability of the fastening web 17, the fastening web 17 can perform the clamping movement required when tightening the screws 26 relative to the formlining 4, especially since the flange 22 is thicker than the fastening web 17.

Beim Vergleich der Figuren 2 und 6 erkennt man, daß die Gewindelöcher 24 gegenüber Aussparungen 21 für Haltevorsprünge 12 von Befestigungsbolzen 11 in Längsrichtung des Randprofiles 2 versetzt angeordnet sind. Somit wird vermieden, daß die Befestigungsschrauben 26 und Verbindungsbolzen 11 miteinander kollidieren könnten. Außerdem können die Gewindelöcher 24 von den Aussparungen 21 unbeeinflußt an einer möglichst günstigen Stelle des Befestigungssteges 17 angeordnet werden.When comparing FIGS. 2 and 6, it can be seen that the threaded holes 24 are offset in the longitudinal direction of the edge profile 2 relative to recesses 21 for retaining projections 12 of fastening bolts 11. This prevents the fastening screws 26 and connecting bolts 11 from colliding with one another. In addition, the threaded holes 24 of the recesses 21 can be arranged unaffected at the most favorable location of the fastening web 17.

In Figur 5 ist noch angedeutet, daß an dem u-förmigen Querschnittsteil 18 des Randprofiles 2 Unterbrechungen 28 und Verankerungsstellen 29 in Form von Hülsen und Flanschen von Spannschrauben oder Spannschlösser vorgesehen sind, mit denen die Schaltafeln 1 gemäß Figur 1 in ihrer Krümmung verstellbar sind. Die Lochungen 10, in diesem Falle Langlochungen, in den Anschlagstegen 5 sind dabei gegenüber diesen Verankerungsstellen 29 in Längsrichtung des Randprofiles 2 versetzt.In Figure 5 it is also indicated that 2 interruptions 28 and anchoring points 29 are provided in the form of sleeves and flanges of turnbuckles or turnbuckles on the U-shaped cross-sectional part 18 of the edge profile, with which the formwork panels 1 according to Figure 1 are adjustable in their curvature. The perforations 10, in this case elongated perforations, in the stop webs 5 are offset in relation to these anchoring points 29 in the longitudinal direction of the edge profile 2.

Vor allem beim Vergleich der Figuren 2 und 3 erkennt man, daß die Schalung die Verbindung von Schaltafeln 1 miteinander erlaubt, die unterschiedlich gestaltete Ränder haben, wobei dann auch entsprechend unterschiedliche Verbindungsmittel zum Einsatz kommen können. Die Schaltafeln 1 mit hohlen Randprofilen 2 sind dabei voll kompatibel mit Schaltafeln 1, die flache Randstege 13 haben. Werden Schaltafeln 1 mit hohlen Randstegen 2 untereinander verbunden, kann die bekannte Verbindungsklammer 7 eingesetzt werden, während aufgrund der Lochungen 10 in den Anschlagstegen 5 der hohlen Randprofile 2 mit Hilfe der Verbindungsbolzen 11 auch Schaltafeln 1 angeschlossen werden können, die lediglich flache Randstege 13 haben. Die gesamte Schalung wird dadurch wesentlich besser an unterschiedliche Schalungsprobleme anpaßbar, erlaubt unter Umständen auch bereichsweise engere Krümmungen und ermöglicht einem Besitzer von Schaltafeln mit flachen Randstegen 13 deren Kombination mit solchen mit hohlen Randstegen 2. Dabei kann er die bei ihm schon vorhandenen Verbindungsbolzen verwenden, denn die Dicke der Anschlagstege 5 ist zweckmäßigerweise gleich der Dicke der flachen Randstege 13 dieser Schaltafeln.Especially when comparing FIGS. 2 and 3, it can be seen that the formwork allows the connection of formwork panels 1 with differently shaped edges, with different connecting means then also being able to be used. The formwork panels 1 with hollow edge profiles 2 are fully compatible with formwork panels 1 which have flat edge webs 13. If formwork panels 1 are connected to one another with hollow edge webs 2, the known connecting clip 7 can be used, while due to the perforations 10 in the stop webs 5 of the hollow edge profiles 2, formwork panels 1 which only have flat edge webs 13 can also be connected with the aid of the connecting bolts 11. The entire formwork is thus much better adaptable to different formwork problems, may also allow narrower curvatures in certain areas and enables an owner of formwork panels with flat edge webs 13 to combine them with those with hollow edge webs 2. He can use the connecting bolts that are already available, because the thickness of the stop webs 5 is expediently equal to the thickness of the flat edge webs 13 of these formwork panels.

Die Schalung mit Schaltafeln 1 und Verbindungsmitteln für diese, nämlich Verbindungsklammern 7 und Verbindungsbolzen 11 weist Schaltafeln 1 mit einem geschlossenen Hohlquerschnitt habenden Randprofilen 2 auf, die jeweils einen am äußersten Rand der Schaltafel 1 verlaufenden, rechtwinklig zur Schalhaut 4 abstehenden Anschlag 5 zum dichten Anlegen an einen entsprechenden Anschlag 5 einer Nachbarschaltafel sowie an einem dazu etwa parallelen Haltesteg 6 Angriffsstellen in Form von Einformungen 8 für die Randprofile 2 benachbarter Schaltafeln 1 umgreifende Verbindungsklammer 7 haben. Ferner sind in den Anschlagstegen 5 des hohlen Randprofiles 2 in deren Längserstreckungsrichtung mit Abstand nebeneinander Lochungen 10 zum Einführen von Verbindungsbolzen 11 vorgesehen, welche Verbindungsbolzen in einem Endbereich gegenüber ihrem Querschnitt radial vorstehender Vorspünge 12 haben, womit die Ränder der Lochungen in Verankerungs- oder Verriegelungsstellung hintergriffen werden, während in demgegenüber verdrehter Position das Einführen und Herausziehen des Bolzens 11 mit seinen Vorsprüngen 12 möglich ist, da die Lochungen 10 Langlochungen oder schlüssellochartige Lochungen sind. Der Abstand und die Größe der Lochungen 10 entspricht den analogen Abmessungen solcher Lochungen 10 an aus Flachmaterial gebildeten Randstegen 13 weiterer Schaltafeln 1 und der lichte Abstand zwischen den Vorsprüngen 12 und einem davon axial beabstandeten Gegenanschlag 14 des Verbindungsbolzen 11 ist etwa gleich der Gesamtdicke der flachen Randstege 13 beziehungsweise eines flachen Randsteges 13 und eines Anschlagsteges 5 des Randprofiles 2, so daß Schaltafeln mit flachen Randstegen 13 mit Hilfe solcher Verbindungsbolzen 11 an Schaltafeln mit hohlen Randprofilen 2 angeschlossen werden können. Ferner können Schaltafeln mit flachen Randstegen 13 mit Hilfe der Verbindungsbolzen 11 untereinander und ebenso Schaltafeln mit hohlen Randprofilen 2 mittels Verbindungsklammern 7 untereinander verbunden werden.The formwork with formwork panels 1 and connecting means for these, namely connecting brackets 7 and connecting bolts 11, has formwork panels 1 with a closed hollow cross-section having edge profiles 2, each of which has a stop 5 for tight fitting which extends at the outermost edge of the formwork panel 1 and extends at right angles to the formlining 4 have a corresponding stop 5 of a neighboring control panel and on an approximately parallel holding web 6 attack points in the form of indentations 8 for the edge profiles 2 of adjacent control panels 1 encompassing connecting clip 7. Furthermore, holes 10 for the insertion of connecting bolts 11 are provided in the stop webs 5 of the hollow edge profile 2 in their longitudinal extension direction at a distance from one another, which connecting bolts have radially protruding projections 12 in one end region, which engages behind the edges of the perforations in the anchoring or locking position are, while in the rotated position the insertion and removal of the bolt 11 with its projections 12 is possible, since the perforations 10 are elongated holes or keyhole-like perforations. The distance and the size of the perforations 10 corresponds to the analog dimensions of such perforations 10 on edge webs 13 formed from flat material of further formwork panels 1 and the clear distance between the projections 12 and a counter stop 14 axially spaced therefrom of the connecting bolt 11 is approximately equal to the total thickness of the flat edge webs 13 or a flat edge web 13 and a stop web 5 of the edge profile 2, so that formwork panels with flat edge webs 13 can be connected to formwork panels with hollow edge profiles 2 with the aid of such connecting bolts 11. Formwork panels with flat edge webs 13 can also be connected to one another with the aid of the connecting bolts 11, and formwork panels with hollow edge profiles 2 can also be connected to one another by means of connecting clamps 7.

Claims (11)

  1. Shuttering with forming boards (1) and means of connecting the same, wherein marginal sections (2) presenting a closed, hollow cross section are provided at in particular parallel edges of forming boards (1) and in each case have located at right angles to the lining skin (4) an abutment web (5) that extends at the outermost edge of the forming board (1) and serves to be laid tightly against a corresponding abutment web (5) of a neighbouring forming board, said marginal sections further having on a holding web (6) approximately parallel thereto points of application for connecting clamps (7) embracing the marginal sections (2) of adjacent forming boards (1), wherein perforations (10) for inserting connecting bolts (11) are provided side by side, in spaced relationship, in - and in the longitudinal direction of - the abutment webs (5) of the hollow marginal sections (2), said connecting bolts having at the end thereof at least one projection (12) jutting out radially from the cross section of the bolt in the connected position, the projection being insertable with the connecting bolt (11) through the perforation (10), characterized in that the perforations (10) in the abutment webs (5) take the form of keyhole-like or oblong performations (10), that the connecting bolts (11) engage behind the edge of the perforation (10) in the locking position or twisted position, that the spacing and size of the perforations (10) in the abutment web (5) accords with the corresponding dimensions of such perforations (10) in flat marginal strips (13) which are composed of flat material and form part of further forming boards (1), and that the clearance between the projection (12) jutting out radially and an axially spaced counter-stop (14) of the connecting bolt (11) corresponds to the overall thickness of the marginal web (13) composed of flat material and the thickness of the abutment web (5) of the marginal section (2).
  2. Shuttering as claimed in claim 1, characterized in that the holding web (6) that belongs to the hollow marginal section (2), is situated opposite the abutment web (5) and likewise runs approximately at right angles to the lining skin (4) is unperforated.
  3. Shuttering as claimed in claim 1 or claim 2, characterized in that the hollow cross section of the marginal section (2) is approximately rectangular or square and that the holding web (6) averted from the abutment web (5) is formed with at least one corrugation, channel, groove or depression (8) for the application of corresponding projections (9) of a fastening clamp (7).
  4. Shuttering as claimed in any one of claims 1 to 3, characterized in that the hollow marginal section (2) is closed at the back of the lining skin (4) by a fastening web (17) that bears against said lining skin (4) and runs at approximately right angles to the abutment web (5), and that the lining skin (4), particularly one of wood, bears against said fastening web (17).
  5. Shuttering as claimed in any one of claims 1 to 4, characterized in that the abutment web (5) provided with perforations (10) is thicker than the other webs of the hollow marginal section (2) and that the other webs of the marginal section (2) are composed by an approximately U-shaped section (18) having its edges (19, 20) bearing against the abutment section (5) and being welded to the latter at at least one edge (19).
  6. Shuttering as claimed in claim 4 and any one of claims 1 to 3 or 5, characterized in that the perforations (10) in the abutment web (5) are arranged within the marginal section (2) so close to the lining skin (4) that in the anchoring position the projection(s) (12) jutting out radially from the connecting bolt (11) extend interiorly up to the fastening web (17) bearing against the lining skin (4) or engage with a recess (21) provided in the fastening web (17) near the performations (10) in the abutment web (5).
  7. Shuttering as claimed in any one of claims 1 to 6, characterized in that the abutment web (5) has, at the edge thereof averted from the hollow section and facing the concrete, a flange (22) that engages behind the side of the lining skin (4) facing the concrete and is sunk into the lining skin (4), said flange together with the fastening web (17) forming a groove (23) embracing the edge of the lining skin (4).
  8. Shuttering as claimed in any one of claims 1 to 7, characterized in that the fastening web (17) that forms part of the marginal section (2) and bears against the side of the lining skin (4) averted from the concrete has threaded or tapped holes (24) arranged in spaced relationship to one another and the fastening flange (22) lapping over the side of the lining skin (4) facing the concrete has at registering height holes (25) for inserting fastening screws/bolts (26) traversing the lining skin (4).
  9. Shuttering as claimed in claim 8, characterized in that the fastening web (17) that forms part of the marginal section (2) and presents the tapped holes (24), and/or the lining skin (4), extends to the outside of the abutment web (5) and is movable relative to said abutment web (5) on account of elastic bending.
  10. Shuttering as claimed in any one of claims 8 or 9, characterized in that the tapped holes (24) are staggered in the longitudinal direction of the marginal section (2) relative to recesses (21) for retaining projections (12) of fastening bolts (11).
  11. Shuttering as claimed in any one of claims 1 to 10, characterized in that the U-shaped part (18) of the marginal section (2) is provided with breaks (28) and anchoring points (29) for draw spindles or the like for rendering the forming board (1) adjustable in its curvature and that the perforations (10) in the abutment webs (5) are staggered in the longitudinal direction of the marginal section (2) relative to said anchoring points (29).
EP94110062A 1993-07-05 1994-06-29 Shuttering with forming boards and connecting means Expired - Lifetime EP0633367B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4322253 1993-07-05
DE4322253A DE4322253A1 (en) 1993-07-05 1993-07-05 Formwork with formwork panels and fasteners

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EP0633367A1 EP0633367A1 (en) 1995-01-11
EP0633367B1 true EP0633367B1 (en) 1996-09-04

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EP (1) EP0633367B1 (en)
CN (1) CN1051352C (en)
AT (1) ATE142302T1 (en)
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CA (1) CA2127319A1 (en)
CZ (1) CZ286171B6 (en)
DE (2) DE4322253A1 (en)
DK (1) DK0633367T3 (en)
ES (1) ES2094013T3 (en)
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DE1534952A1 (en) * 1962-06-15 1969-08-28 Karl Heilwagen Formwork panel for walls and pillars
US3246871A (en) * 1964-04-06 1966-04-19 Symons Mfg Co Rivetless concrete wall form panel with plywood facing and metal studding
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DE2851549C2 (en) * 1978-11-29 1981-02-26 Josef 7611 Steinach Maier Device for connecting formwork panels, in particular in the area of gradations in a building
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CA1283557C (en) * 1986-01-31 1991-04-30 Leonid Slonimsky Panel for concrete formwork and panel connector
DE8622359U1 (en) * 1986-08-21 1987-12-23 Emil Steidle Gmbh & Co, 7480 Sigmaringen Frame profile for frame formwork
DE3838509C1 (en) * 1988-11-12 1989-12-07 Maier, Josef, 7619 Steinach, De Connecting bolt for shuttering panels
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DE3838488A1 (en) * 1988-11-12 1990-05-17 Maier Josef CONTROL PANEL

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CN1051352C (en) 2000-04-12
HK217096A (en) 1996-12-27
DE59400578D1 (en) 1996-10-10
LV11356A (en) 1996-06-20
ES2094013T3 (en) 1997-01-01
CZ151094A3 (en) 1995-01-18
DE4322253A1 (en) 1995-01-19
TR28006A (en) 1995-11-16
LT3413B (en) 1995-09-25
CA2127319A1 (en) 1995-01-06
BR9402625A (en) 1995-04-04
CZ286171B6 (en) 2000-02-16
CN1105089A (en) 1995-07-12
SK77694A3 (en) 1995-02-08
EP0633367A1 (en) 1995-01-11
US5509635A (en) 1996-04-23
RU94023247A (en) 1996-05-20
GEP19991713B (en) 1999-08-05
RU2122087C1 (en) 1998-11-20
LTIP1985A (en) 1995-01-31
LV11356B (en) 1996-10-20
ATE142302T1 (en) 1996-09-15
DK0633367T3 (en) 1996-12-09

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