EP3055466B1 - Reinforcing steel bar mat, method for producing same and method for laying same - Google Patents

Reinforcing steel bar mat, method for producing same and method for laying same Download PDF

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Publication number
EP3055466B1
EP3055466B1 EP14777024.2A EP14777024A EP3055466B1 EP 3055466 B1 EP3055466 B1 EP 3055466B1 EP 14777024 A EP14777024 A EP 14777024A EP 3055466 B1 EP3055466 B1 EP 3055466B1
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EP
European Patent Office
Prior art keywords
reinforcing steel
steel bar
handling unit
mat
mats
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German (de)
French (fr)
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EP3055466A1 (en
Inventor
Franz HÄUSSLER
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Haussler Innovation GmbH
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Haussler Innovation GmbH
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E04C5/04—Mats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F27/00—Making wire network, i.e. wire nets
    • B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
    • B21F27/20—Making special types or portions of network by methods or means specially adapted therefor of plaster-carrying network

Definitions

  • the present invention relates to a uniaxial reinforcing mat and a method for its production.
  • Reinforcements in reinforced concrete construction are often designed as reinforcing mats, which have reinforcing steel bars.
  • Such reinforcing mats are either one or two axes, so with static effect in one or two spatial directions.
  • Single-axis reinforcing mats consist of reinforcing steel bars, welded onto non-structural supporting tapes, they are rolled up in their manufacture and therefore also referred to as rolling mat.
  • rolling mat For each reinforcement layer, two uniaxial reinforcing steel bar mat layers are rolled out directly onto each other, the second orthogonal to the first one. The rolling mats are loaded as a roll and transported to the construction site.
  • Each concrete slab of the resulting structure has two spaced-apart reinforcement layers, wherein a reinforcement layer consists of the described uniaxial reinforcing steel bar mats, depending on the local conditions of the building to be constructed of several rolled-out part mats. These must be after one before The layout plan created in the correct sequence can be spent in the resulting structure and rolled out in the right direction. It is not uncommon to roll out 15, 20 or more sub-mats per rebar layer. A lot of crane time is required to load a truck, unload it, and enter the building. At the same time a correspondingly large storage space is needed on the construction site. A disadvantage of this prior art is the required large logistical effort.
  • the document EP 0 416 964 A2 discloses a handling unit according to the preamble of claim 1. The invention therefore has the object to provide a logistically easier to handle rollable uniaxial reinforcing steel bar mat.
  • the invention proposes to combine a plurality of reinforcing steel bar mats together to form a transportable unit, but in this case to comply with the laying order of the individual mats. Accordingly, the first to be rolled rebar steel mat in the manufacturing process is the last to be produced reinforcing steel bar mat, so it is on the rolled handling unit outside. This is followed by the second reinforcing mat to be rolled out, then the third and so on.
  • the connection of the individual reinforcing steel bar mats with each other advantageously takes place via the respective carrier tapes, so that each of the carrier tapes passes through the entire handling unit.
  • the interconnected reinforcing steel bar mats are connected to each other in descending mat width. Accordingly, the widest mat to be rolled out on the outside of the handling unit, rolled up inside the handling unit are the narrower reinforcing steel bar mats, which follow the first in Ausroll #2ngol. This results in a particularly favorable center of gravity of the handling unit.
  • the interconnected reinforcing steel bar mats of a handling unit are arranged symmetrically about the longitudinal axis of the handling unit. This also leads to a particularly favorable center of gravity.
  • One Crane operator is not surprised by off-center priorities that he can not look at a rolled handling unit from the outside.
  • an optical indicator of the mat end is provided between the individual reinforcing steel rod mats of a handling unit, in particular in the form of a reinforcing steel rod spacing of 30 cm or more.
  • an optical indicator is provided according to the invention. This can for example consist of a color marking on the straps or on a tape.
  • a reinforcing steel bar spacing of 30 cm or more is preferred. Since such a large rebar spacing according to the relevant DIN regulations is not permitted, it is immediately noticeable to a user at the construction site. This recognizes from the excessively large reinforcing steel bar spacing that one reinforcing steel bar mat ends and the next begins. He can therefore easily cut with a simple snips the thin straps and then either roll directly the next following reinforcing steel bar mat or, as will be described below, spend the remaining handling unit to another location of the resulting reinforcement layer.
  • first reinforcing steel bars of a first reinforcing steel bar mat seen in the unwinding direction and / or the last reinforcing steel bars of a last reinforcing steel bar mat also seen in the unwinding direction of the handling unit have shorter reinforcing steel bars, in particular arranged out of center, supports can advantageously be located at the beginning and at the end of the unrolling process. Jumps or the like can be bypassed without problems.
  • a plurality of handling units are connected to one another in the laying order to form an overall handling unit.
  • This development of the inventive idea of pooling individual reinforcing steel rod mats has the advantage of making the handling units even larger, if this is desirable for reasons of transport. This is especially the case when many smaller reinforcing steel bar mats belong to a reinforcement layer.
  • the invention also includes a method for producing a handling unit according to what has been described above, in which a mat former continuously produces at least one further reinforcing steel bar mat after a first manufactured reinforcing steel bar mat, an area without reinforcing steel bars being produced between both reinforcing steel bar mats.
  • the mat former continuously produces reinforcing steel bar mats that are not separated from each other. The usual cutting the straps in the custom-made mats deleted.
  • the invention also includes a laying method of a handling unit, as described above.
  • a handling unit is spent in a building to be created, the first reinforcing steel bar mat unrolled and cut the connection to the subsequent reinforcing steel bar mat on reaching the mat end, the next reinforcing steel bar mat is rolled out and disconnected on reaching the mat end the connection to the now following reinforcing steel bar mat, the aforementioned Steps are repeated until the handling unit is unrolled and thus dissolved.
  • the remaining after unwinding of one or more reinforcing steel bar mats remaining handling unit is moved by means of a crane to a second installation location within the building to be created.
  • a handling unit can also contain a plurality of reinforcing steel bar mats which are not to be laid directly next to one another spatially. Only the time sequence of the rolling out is to be observed, not necessarily the local.
  • FIG. 1 shows as part of the picture the simplest form of a rolled handling unit 1 with the first three of a plurality of reinforcing steel bar mats 2. Good to see the straps 3 and the individual reinforcing steel bars 4. Also clearly visible is the optical indicator 5, here is an approximately 30 cm large area Without reinforcing steel bars 2. According to the invention, larger distances than 30 cm would be to mark the mat end safely. Also too recognize the separated by areas 5 individual mats 2.
  • the in Fig. 1 handling unit 1 shown has in reinforcing steel bar length and mat length uniform reinforcing steel bar mats 2.
  • the unwinding 8 is indicated by an arrow, the remaining, still rolled up part of the handling unit 1 is not shown, it joins below the indicated fourth mat 2 at.
  • the length of the reinforcement steel bars 2 defines here the total width of the handling unit 1.
  • the bars 2 could also be made of a different material than reinforcing steel, for example steel bars with a smooth surface. They could also vary in diameter from mat to mat or within a mat, as well as their bar length and their edge orientation. The latter means that not all bars have to start flush on one side.
  • the invention is applicable to all roll-up mats. With the illustrated invention, for example, 4 to 6 sub-mats of a reinforcement layer can be summarized and thus transported in a simplified manner. According to the invention, it would also be necessary to provide no continuous straps during the manufacturing process, but to fasten them detachably, for example, with a coupling piece.
  • FIG. 2 shows a unrolled handling unit, in which successively reinforcing steel bar mats 2 decreasing ready are summarized, the decrease does not have to be strict. At the same time are at In this embodiment, all mats 2 are arranged symmetrically about the longitudinal axis 6.
  • FIG. 3 shows a handling unit 1, in which two smaller mats 2, which have to be rolled out side by side, since they are to receive a concrete pillar between them, are arranged side by side. It is also shown that the first two reinforcing steel bars 4 of a first, to be rolled rebar steel bar mat 2 shorter than the subsequent bars of the same mat fail.
  • FIG. 4 Finally, shows an overall handling unit 7 of two handling units 1, wherein the inner, to be laid as the second handling unit 1 is shown in dashed lines and wherein for reasons of clarity, only the uppermost layer of the rolled reinforcing steel bar mats 2 a handling unit are shown.
  • the maximum weight of the handling unit is to be adhered to, which is less limited by the loading capacity of a truck or the carrying capacity of a crane than by the carrying capacity of the spacers for the specific reinforcement layer.
  • spacers can not withstand higher loads than 100kg / m. The entire handling unit must therefore not exceed this amount when rolled up, unless the construction site has correspondingly larger spacers.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Description

Die vorliegende Erfindung betrifft eine einachsige Bewehrungsmatte und ein Verfahren zu ihrer Herstellung.The present invention relates to a uniaxial reinforcing mat and a method for its production.

Bewehrungen im Stahlbetonbau sind oftmals als Bewehrungsmatten ausgeführt, die Bewehrungsstahlstäbe aufweisen. Derartige Bewehrungsmatten sind entweder ein- oder zweiachsig, also mit statischer Wirkung in einer oder in zwei Raumrichtungen. Einachsige Bewehrungsmatten bestehen aus Bewehrungsstahlstäben, aufgeschweisst auf statisch nicht-tragende Tragbänder, sie werden bei ihrer Herstellung aufgerollt und daher auch als Rollmatte bezeichnet. Pro Bewehrungslage werden zwei einachsige Bewehrungsstahlstabmattenlagen unmittelbar aufeinander ausgerollt, die zweite orthogonal zur ersten. Die Rollmatten werden als Rolle verladen und zur Baustelle transportiert. Dort werden sie unter Kranhilfe vom Lkw entladen, an geeigneter Stelle gelagert und zum geeigneten Zeitpunkt vom Kran auf den entstehenden Rohbau gehoben, wo sie von zwei oder mehr Arbeitern ausgerollt werden. Maschinen zur Herstellung derartiger aufgerollter einachsiger Bewehrungsstahlstabmatten, auch mit individuell unterschiedlich langen oder starken Bewehrungsstahlstäben innerhalb einer Matte, sind in den Europäischen Patentanmeldungen EP 0 667 343 A1 , EP 0 862 958 A1 , EP 0 919 309 A1 und EP 2 315 637 A1 der Anmelderin beschrieben.Reinforcements in reinforced concrete construction are often designed as reinforcing mats, which have reinforcing steel bars. Such reinforcing mats are either one or two axes, so with static effect in one or two spatial directions. Single-axis reinforcing mats consist of reinforcing steel bars, welded onto non-structural supporting tapes, they are rolled up in their manufacture and therefore also referred to as rolling mat. For each reinforcement layer, two uniaxial reinforcing steel bar mat layers are rolled out directly onto each other, the second orthogonal to the first one. The rolling mats are loaded as a roll and transported to the construction site. There, they are unloaded from the lorry under Crane Aid, stored at a suitable location and, at the appropriate time, lifted by the crane to the resulting shell, where they are rolled out by two or more workers. Machines for producing such rolled uniaxial reinforcing steel bar mats, also with individually different length or strong reinforcing steel bars within a mat, are described in the European patent applications EP 0 667 343 A1 . EP 0 862 958 A1 . EP 0 919 309 A1 and EP 2 315 637 A1 the applicant described.

Jede Betonplatte des entstehenden Bauwerks weist zwei voneinander beabstandete Bewehrungslagen auf, wobei eine Bewehrungslage aus den beschriebenen einachsigen Bewehrungsstahlstabmatten je nach den örtlichen Gegebenheiten des zu errichtenden Bauwerks aus mehreren ausgerollten Teilmatten besteht. Diese müssen nach einem vorher erstellten Auslegeplan in der richtigen Reihenfolge in das entstehende Bauwerk verbracht und in der richtigen Richtung ausgerollt werden. Es ist nicht ungewöhnlich, pro Bewehrungslage 15, 20 oder mehr Teilmatten auszurollen. Für die Verladung auf einen Lkw, die Abladung und die Vebringung in das entstehende Gebäude ist viel Kranzeit erforderlich. Gleichzeitig wird ein entsprechend großer Lagerplatz auf der Baustelle benötigt. Nachteilig an diesem Stand der Technik ist der erforderliche große logistische Aufwand. Das Dokument EP 0 416 964 A2 offenbart eine Handlingeinheit gemäß dem Oberbegriff des Anspruchs 1. Die Erfindung stellt sich daher die Aufgabe, eine logistisch leichter zu handhabende rollbare einachsige Bewehrungsstahlstabmatte anzugeben.Each concrete slab of the resulting structure has two spaced-apart reinforcement layers, wherein a reinforcement layer consists of the described uniaxial reinforcing steel bar mats, depending on the local conditions of the building to be constructed of several rolled-out part mats. These must be after one before The layout plan created in the correct sequence can be spent in the resulting structure and rolled out in the right direction. It is not uncommon to roll out 15, 20 or more sub-mats per rebar layer. A lot of crane time is required to load a truck, unload it, and enter the building. At the same time a correspondingly large storage space is needed on the construction site. A disadvantage of this prior art is the required large logistical effort. The document EP 0 416 964 A2 discloses a handling unit according to the preamble of claim 1. The invention therefore has the object to provide a logistically easier to handle rollable uniaxial reinforcing steel bar mat.

Diese Aufgabe wird durch eine Handllingeinheit gemäß Anspruch 1 gelöst. Mit großem Vorteil schlägt die Erfindung vor, mehrere Bewehrungsstahlstabmatten miteinander zu einer transportablen Einheit zu verbinden, hierbei jedoch die Verlegereihenfolge der einzelnen Matten einzuhalten. Demnach ist die erste abzurollende Bewehrungsstahlstabmatte im Herstellungsprozess die letzte zu fertigende Bewehrungsstahlstabmatte, sie liegt somit auf der aufgerollten Handlingeinheit außen. Danach folgt nach innen die zweite auszurollende Bewehrungsmatte, danach die dritte und so weiter. Die Verbindung der einzelnen Bewehrungsstahlstabmatten miteinander erfolgt vorteilhafterweise über die jeweiligen Tragbänder, so dass jedes der Tragbänder die gesamte Handlingeinheit durchläuft. Auf den durchgehenden Tragbändern sind dann die Bewehrungsstahlstäbe der einzelnen Bewehrungsstahlstabmatten angeschweißt. Mit sehr großem Vorteil wird so das Handling der einzelnen Bewehrungsstahlstabmatten vereinfacht: nunmehr ist nur noch ein Bündel von miteinander verbundenen Bewehrungsstahlstabmatten zu bewegen, also aufzuladen, abzuladen, auf der Baustelle zu lagern und in das entstehende Bauwerk zu verbringen. Dies reduziert die benötigte Lagerfläche um bis zu 50%, die Be- und Entladezeit um bis zu 50% und die benötigte Kranzeit um mindestens 25%. Der Kran muß nur noch die Handlingeinheit in den entstehenden Bau heben und dort von einem Verlegort zum nächsten transportieren, lange Schwenkwege entfallen. Dabei kann mit Vorteil der ursprüngliche Ausrollplan beibehalten werden. Mehrere leichte Bewehrungsstahlstabmatten können mit Vorteil zu einer einzigen, schwereren zusammengefasst werden, was die Ladekapazität eines Lkw besonders gut ausnutzt. Da die Verlegereihenfolge beim Zusammenfassen ("poolen") der Bewehrungsstahlstabmatten zu einer einzigen Handlingeinheit nicht geändert wird, ergibt sich für den Verarbeiter auf der Baustelle keine Schwierigkeit. Er kann dem gewohnten vorgegebenen Abrollschema folgen.This object is achieved by a Handllingeinheit according to claim 1. With great advantage, the invention proposes to combine a plurality of reinforcing steel bar mats together to form a transportable unit, but in this case to comply with the laying order of the individual mats. Accordingly, the first to be rolled rebar steel mat in the manufacturing process is the last to be produced reinforcing steel bar mat, so it is on the rolled handling unit outside. This is followed by the second reinforcing mat to be rolled out, then the third and so on. The connection of the individual reinforcing steel bar mats with each other advantageously takes place via the respective carrier tapes, so that each of the carrier tapes passes through the entire handling unit. On the continuous straps then the reinforcing steel bars of the individual reinforcing steel bar mats are welded. The handling of the individual reinforcing steel bar mats becomes a great advantage simplified: now is only a bunch of interconnected reinforcing steel bars to move, so to load, unload, store on the site and spend in the resulting structure. This reduces the required storage space by up to 50%, the loading and unloading time by up to 50% and the required crane time by at least 25%. The crane only has to lift the handling unit into the building that is being built and transport it from one location to the next, eliminating long pivoting distances. It can be maintained with advantage of the original rolling plan. Several lightweight reinforcing steel bar mats can be advantageously combined into a single, heavier one, which makes particularly good use of the load capacity of a truck. Since the laying order is not changed when pooling the reinforcing steel bar mats into a single handling unit, there is no difficulty for the processor at the construction site. He can follow the usual predetermined Abrollschema.

In Ausgestaltung der Erfindung ist vorgesehen, dass die miteinander verbundenen Bewehrungsstahlstabmatten in absteigender Mattenbreite miteinander verbunden sind. Demnach befindet sich die breiteste auszurollende Matte auf der Außenseite der Handlingeinheit, aufgerollt im Inneren der Handlingeinheit befinden sich die schmaleren Bewehrungsstahlstabmatten, die in Ausrollreihenfolge nach der ersten folgen. Hierdurch ergibt sich eine besonders günstige Schwerpunktlage der Handlingeinheit.In an embodiment of the invention, it is provided that the interconnected reinforcing steel bar mats are connected to each other in descending mat width. Accordingly, the widest mat to be rolled out on the outside of the handling unit, rolled up inside the handling unit are the narrower reinforcing steel bar mats, which follow the first in Ausrollreihenfolge. This results in a particularly favorable center of gravity of the handling unit.

In Ausgestaltung der Erfindung ist vorgesehen, dass die miteinander verbundenen Bewehrungsstahlstabmatten einer Handlingseinheit symmetrisch um die Längsachse der Handlingeinheit angeordnet sind. Auch dies führt zu einer besonders günstigen Schwerpunktlage. Ein Kranführer wird nicht durch außermittige Schwerpunkte überrascht, die er einer aufgerollten Handlingeinheit von außen nicht ansehen kann.In an embodiment of the invention, it is provided that the interconnected reinforcing steel bar mats of a handling unit are arranged symmetrically about the longitudinal axis of the handling unit. This also leads to a particularly favorable center of gravity. One Crane operator is not surprised by off-center priorities that he can not look at a rolled handling unit from the outside.

Erfindungsgemäß ist weiter vorgesehen, dass zwischen den einzelnen Bewehrungsstahlstabmatten einer Handlingeinheit ein optischer Indikator des Mattenendes vorgesehen ist, insbesondere in Form eines Bewehrungsstahlstababstandes von 30 cm oder mehr. Um das jeweilige Ende und den jeweiligen Anfang der miteinander verbundenen Bewehrungsstahlstabmatten zu kennzeichnen, ist erfindungsgemäß ein optischer Indikator vorgesehen. Dieser kann beispielsweise aus einer Farbmarkierung an den Tragbändern oder an einem Tragband bestehenden. Bevorzugt ist jedoch ein Bewehrungsstahlstababstand von 30 cm oder mehr. Da ein solch großer Bewehrungsstahlstababstand gemäß der einschlägigen DIN-Vorschriften nicht zulässig ist, fällt er einem Anwender auf der Baustelle sofort auf. Dieser erkennt anhand des übergroßen Bewehrungsstahlstababstandes, dass eine Bewehrungsstahlstabmatte endet und die nächste beginnt. Er kann daher ohne weiteres mit einer einfachen Blechschere die dünnen Tragbänder durchtrennen und dann entweder unmittelbar die nächstfolgende Bewehrungsstahlstabmatte abrollen oder, wie weiter unten noch beschrieben werden wird, die restliche Handlingeinheit zu einem anderen Ort der entstehenden Bewehrungslage verbringen.According to the invention, it is further provided that an optical indicator of the mat end is provided between the individual reinforcing steel rod mats of a handling unit, in particular in the form of a reinforcing steel rod spacing of 30 cm or more. In order to identify the respective end and the respective beginning of the interconnected reinforcing steel bar mats, an optical indicator is provided according to the invention. This can for example consist of a color marking on the straps or on a tape. However, a reinforcing steel bar spacing of 30 cm or more is preferred. Since such a large rebar spacing according to the relevant DIN regulations is not permitted, it is immediately noticeable to a user at the construction site. This recognizes from the excessively large reinforcing steel bar spacing that one reinforcing steel bar mat ends and the next begins. He can therefore easily cut with a simple snips the thin straps and then either roll directly the next following reinforcing steel bar mat or, as will be described below, spend the remaining handling unit to another location of the resulting reinforcement layer.

Dadurch, dass die ersten Bewehrungsstahlstäbe einer in Abrollrichtung gesehen ersten Bewehrungsstahlstabmatte und/oder die letzten Bewehrungsstahlstäbe einer ebenfalls in Abrollrichtung der Handlingeinheit gesehenen letzten Bewehrungsstahlstabmatte kürzere, insbesondere außer mittig angeordnete, Bewehrungsstahlstäbe aufweisen, können mit Vorteil zu Beginn und am Ende des Ausrollvorgangs befindliche Stützen, Einsprünge oder dergleichen ohne Probleme umgangen werden.Due to the fact that the first reinforcing steel bars of a first reinforcing steel bar mat seen in the unwinding direction and / or the last reinforcing steel bars of a last reinforcing steel bar mat also seen in the unwinding direction of the handling unit have shorter reinforcing steel bars, in particular arranged out of center, supports can advantageously be located at the beginning and at the end of the unrolling process. Jumps or the like can be bypassed without problems.

In Ausgestaltung der Erfindung ist vorgesehen, dass mehrere Handlingeinheiten miteinander in Verlegereihenfolge zu einer Gesamthandlingeinheit verbunden sind. Diese Weiterbildung des erfinderischen Gedankens eines Poolens von einzelnen Bewehrungsstahlstabmatten hat den Vorteil, die Handlingeinheiten noch größer zu machen, falls dies aus Transportgründen wünschenswert ist. Dies ist besonders der Fall, wenn viele kleinere Bewehrungsstahlstabmatten zu einer Bewehrungslage gehören.In an embodiment of the invention, it is provided that a plurality of handling units are connected to one another in the laying order to form an overall handling unit. This development of the inventive idea of pooling individual reinforcing steel rod mats has the advantage of making the handling units even larger, if this is desirable for reasons of transport. This is especially the case when many smaller reinforcing steel bar mats belong to a reinforcement layer.

Zur Erfindung gehört auch ein Verfahren zur Herstellung einer Handlingeinheit gemäß dem zuvor beschriebenen, bei dem ein Mattenbildner nach einer ersten gefertigten Bewehrungsstahlstabmatte kontinuierlich mindestens eine weitere Bewehrungsstahlstabmatte fertigt, wobei zwischen beiden Bewehrungsstahlstabmatten ein Bereich ohne Bewehrungsstahlstäbe erzeugt wird. Mit anderen Worten fertigt der Mattenbildner kontinuierlich Bewehrungsstahlstabmatten, die nicht voneinander getrennt sind. Das übliche Durchtrennen der Tragbänder bei der Einzelfertigung der Matten entfällt.The invention also includes a method for producing a handling unit according to what has been described above, in which a mat former continuously produces at least one further reinforcing steel bar mat after a first manufactured reinforcing steel bar mat, an area without reinforcing steel bars being produced between both reinforcing steel bar mats. In other words, the mat former continuously produces reinforcing steel bar mats that are not separated from each other. The usual cutting the straps in the custom-made mats deleted.

Schließlich gehört zur Erfindung auch ein Verlegeverfahren einer Handlingeinheit, wie sie zuvor beschrieben wurde. Bei diesem Verlegeverfahren wird eine Handlingeinheit in ein zu erstellendes Bauwerk verbracht, deren erste Bewehrungsstahlstabmatte abgerollt und beim Erreichen des Mattenendes die Verbindung zur nachfolgenden Bewehrungsstahlstabmatte durchtrennt, die nächstfolgende Bewehrungsstahlstabmatte wird ausgerollt und beim Erreichen des Mattenendes die Verbindung zur nunmehr nachfolgenden Bewehrungsstahlstabmatte getrennt, die zuvor genannten Schritte werden so lange wiederholt, bis die Handlingeinheit ausgerollt und damit aufgelöst ist.Finally, the invention also includes a laying method of a handling unit, as described above. In this laying method, a handling unit is spent in a building to be created, the first reinforcing steel bar mat unrolled and cut the connection to the subsequent reinforcing steel bar mat on reaching the mat end, the next reinforcing steel bar mat is rolled out and disconnected on reaching the mat end the connection to the now following reinforcing steel bar mat, the aforementioned Steps are repeated until the handling unit is unrolled and thus dissolved.

In Ausgestaltung dieses Verfahrens ist vorgesehen, dass die nach Abrollen einer oder mehrerer Bewehrungsstahlstabmatten verbleibende Resthandlingeinheit mittels eines Kranes an einen zweiten Verlegeort innerhalb des zu erstellenden Bauwerks verbracht wird. Dies bedeutet, dass eine Handlingeinheit auch mehrere, nicht unmittelbar räumlich aufeinanderfolgend zu verlegende Bewehrungsstahlstabmatten enthalten kann. Lediglich die zeitliche Reihenfolge des Ausrollens ist einzuhalten, nicht unbedingt die örtliche.In an embodiment of this method it is provided that the remaining after unwinding of one or more reinforcing steel bar mats remaining handling unit is moved by means of a crane to a second installation location within the building to be created. This means that a handling unit can also contain a plurality of reinforcing steel bar mats which are not to be laid directly next to one another spatially. Only the time sequence of the rolling out is to be observed, not necessarily the local.

Die Erfindung wird in einer bevorzugten Ausführungsform unter Bezugnahme auf eine Zeichnung beispielhaft beschrieben, wobei weitere vorteilhafte Einzelheiten den Figuren zu entnehmen sind. Funktionsmäßig gleiche Teile sind dabei mit denselben Bezugszeichen versehen.The invention will be described by way of example in a preferred embodiment with reference to a drawing, wherein further advantageous details are shown in the figures. Functionally identical parts are provided with the same reference numerals.

Die Figuren der Zeichnung zeigen jeweils abgerollte Teilansichten von Ausführungsformen einer Handlingeinheit:

  • Fig. 1: eine erste Ausführungsform,
  • Fig. 2: eine zweite Ausführungsform,
  • Fig. 3: eine dritte Ausführungsform und
  • Fig. 4: eine vierte Ausführungsform.
The figures of the drawing show respectively unrolled partial views of embodiments of a handling unit:
  • Fig. 1 a first embodiment,
  • Fig. 2 a second embodiment,
  • Fig. 3 a third embodiment and
  • Fig. 4 a fourth embodiment.

Figur 1 zeigt als Teilbild die einfachste Form einer abgerollten Handlingeinheit 1 mit den ersten drei einer Mehrzahl von Bewehrungstahlstabmatten 2. Gut zu erkennen sind die Tragbänder 3 und die einzelnen Bewehrungsstahlstäbe 4. Ebenfalls gut zu erkennen ist der optische Indikator 5, hier ein etwa 30 cm großer Bereich ohne Bewehrungsstahlstäbe 2. Erfindungsgemäß wären auch größere Abstände als 30 cm, um das Mattenende sicher zu kennzeichnen. Ebenfalls zu erkennen sind die durch Bereiche 5 getrennten einzelnen Matten 2. Die in Fig. 1 dargestellte Handlingeinheit 1 weist in Bewehrungsstahlstablänge und Mattenlänge gleichförmige Bewehrungsstahlstabmatten 2 auf. Die Abrollrichtung 8 ist mit einem Pfeil angegeben, der restliche, noch aufgerollte Teil der Handlingeinheit 1 ist nicht dargestellt, er schließt sich unterhalb der angedeuteten vierten Matte 2 an. Die Länge der Bewehrungstahlstäbe 2 definiert hier die Gesamtbreite der Handlingeinheit 1. Erfindungsgemäß könnten die Stäbe 2 auch aus anderem Material als Bewehrungsstahl bestehen, beispielsweise Stahlstäbe mit glatter Oberfläche sein. Sie könnten in ihrem Durchmesser auch von Matte zu Matte oder innerhalb einer Matte variieren, genauso in ihrer Stablänge und in ihrer Randorientierung. Letzteres bedeutet, daß nicht alle Stäbe bündig auf einer Seite beginnen müssen. Die Erfindung ist für alle aufrollbaren Matten anwendbar. Mit der dargestellten Erfindung lassen sich beispielsweise 4 - 6 Teilmatten einer Bewehrungslage zusammenfassen und damit vereinfacht transportieren. Erfindungsgemäß wäre auch, schon beim Herstellungsprozess keine durchgehenden Tragbänder vorzusehen, sondern diese beispielsweise mit einem Kupplungsstück aneinander lösbar zu befestigen. Nach dem Abrollen der entsprechenden Matte würde dann das Kupplungsstück gelöst, so daß die zweite Matte freigegeben wird. Schließlich wäre auch denkbar, die einzelnen Matten lose zu einer Handlingeinheit aufzurollen, also mit getrennten Tragbändern, und eine andere Art der Transportsicherung vorzusehen, wobei davon auszugehen ist, dass die inneren Lagen der Handlingeinheit zumindest während des Transports durch den Druck der äußeren Lagen gehaltert sind. Dies ergäbe eine besonders einfache Handlingeinheit. FIG. 1 shows as part of the picture the simplest form of a rolled handling unit 1 with the first three of a plurality of reinforcing steel bar mats 2. Good to see the straps 3 and the individual reinforcing steel bars 4. Also clearly visible is the optical indicator 5, here is an approximately 30 cm large area Without reinforcing steel bars 2. According to the invention, larger distances than 30 cm would be to mark the mat end safely. Also too recognize the separated by areas 5 individual mats 2. The in Fig. 1 handling unit 1 shown has in reinforcing steel bar length and mat length uniform reinforcing steel bar mats 2. The unwinding 8 is indicated by an arrow, the remaining, still rolled up part of the handling unit 1 is not shown, it joins below the indicated fourth mat 2 at. The length of the reinforcement steel bars 2 defines here the total width of the handling unit 1. According to the invention, the bars 2 could also be made of a different material than reinforcing steel, for example steel bars with a smooth surface. They could also vary in diameter from mat to mat or within a mat, as well as their bar length and their edge orientation. The latter means that not all bars have to start flush on one side. The invention is applicable to all roll-up mats. With the illustrated invention, for example, 4 to 6 sub-mats of a reinforcement layer can be summarized and thus transported in a simplified manner. According to the invention, it would also be necessary to provide no continuous straps during the manufacturing process, but to fasten them detachably, for example, with a coupling piece. After unrolling the corresponding mat, the coupling piece would then be released, so that the second mat is released. Finally, it would also be conceivable to roll up the individual mats loosely to form a handling unit, that is to say with separate carrying straps, and to provide another type of transport securing, wherein it can be assumed that the inner layers of the handling unit are held at least during transport by the pressure of the outer layers , This would result in a particularly simple handling unit.

Figur 2 zeigt eine abgerollte Handlingeinheit, bei der aufeinanderfolgend Bewehrungsstahlstabmatten 2 abnehmender Bereite zusammengefasst sind, wobei die Abnahme nicht streng sein muß. Gleichzeitig sind bei dieser Ausführungsform alle Matten 2 symmetrisch um die Längsachse 6 angeordnet. FIG. 2 shows a unrolled handling unit, in which successively reinforcing steel bar mats 2 decreasing ready are summarized, the decrease does not have to be strict. At the same time are at In this embodiment, all mats 2 are arranged symmetrically about the longitudinal axis 6.

Figur 3 zeigt eine Handlingeinheit 1, bei der zwei kleinere Matten 2, die nebeneinander ausgerollt werden müssen, da sie zwischen sich einen Betonpfeiler aufnehmen sollen, nebeneinander angeordnet sind. Ebenfalls dargestellt ist, dass die ersten beiden Bewehrungsstahlstäbe 4 einer ersten, abzurollenden Bewehrungsstahlstabmatte 2 kürzer als die nachfolgenden Stäbe derselben Matte ausfallen. Dies erlaubt mit Vorteil das anfängliche Umgehen eines Pfeilers oder dergleichen, indem die noch aufgerollte Handlingeinheit 1 etwas beanstandet zu dem Rand der Beweherungslage vom Kran abgelegt, geöffnet und die obersten Zentimeter der Matte in Richtung des Randes ausgerollt werden, wie in Fig. 3 seitlich skizziert. Die restliche Matte wird dann in die entgegengesetzte Richtung ausgerollt. FIG. 3 shows a handling unit 1, in which two smaller mats 2, which have to be rolled out side by side, since they are to receive a concrete pillar between them, are arranged side by side. It is also shown that the first two reinforcing steel bars 4 of a first, to be rolled rebar steel bar mat 2 shorter than the subsequent bars of the same mat fail. This advantageously allows the initial bypassing of a pier or the like by the still rolled up handling unit 1 being slightly jammed to the edge of the path of the crane, opened and the topmost centimeters of the mat being rolled out in the direction of the edge, as in FIG Fig. 3 sketched laterally. The remaining mat is then rolled out in the opposite direction.

Figur 4 zeigt schließlich eine Gesamthandlingeinheit 7 aus zwei Handlingeinheiten 1, wobei die innere, als zweite zu verlegende Handlingeinheit 1 gestrichelt dargestellt ist und wobei aus Deutlichkeitsgründen jeweils nur die oberste Lage der aufgerollten Bewehrungsstahlstabmatten 2 einer Handlingeinheit dargestellt sind. FIG. 4 Finally, shows an overall handling unit 7 of two handling units 1, wherein the inner, to be laid as the second handling unit 1 is shown in dashed lines and wherein for reasons of clarity, only the uppermost layer of the rolled reinforcing steel bar mats 2 a handling unit are shown.

Bei der Zusammenstellung der einzelnen Matten 2 einer Handlingeinheit 1 ist das maximale Gewicht der Handlingeinheit einzuhalten, das weniger durch die Ladekapazität eines Lastkraftwagen oder der Tragkraft eines Kranes begrenzt wird als durch die Tragkraft der Abstandshalter für die spezifische Bewehrungslage. Üblicherweise können derartige Abstandshalter keine höheren Tragkräfte als 100kg/m aushalten. Die gesamteHandlingseinheit darf daher im aufgerollten Zustand diesen Betrag nicht überschreiten, es sei denn, auf der Baustelle sind entsprechend stärker dimensionierte Abstandshalter vorgesehen.When assembling the individual mats 2 of a handling unit 1, the maximum weight of the handling unit is to be adhered to, which is less limited by the loading capacity of a truck or the carrying capacity of a crane than by the carrying capacity of the spacers for the specific reinforcement layer. Typically, such spacers can not withstand higher loads than 100kg / m. The entire handling unit must therefore not exceed this amount when rolled up, unless the construction site has correspondingly larger spacers.

Mit dem erfindungsgemäßen Zusammenfassen einzelner Bewehrungsstahlstabmatten zu einer gemeinsamen Handlingseinheit werden mit großem Vorteil die Produktion vereinfacht, die benötigte Lagerfläche deutlich reduziert, die Aufladezeit/Abladezeit stark verkürzt und die benötigte Kranzeit deutlich verringert. Diese Erfindung ergänzt daher mit großem Vorteil die sehr schnelle Ausbringung von Rollmatten zu einem wirtschaftlich gesehen sehr kostengünstigen Gesamtsystem im Hinblick auf Verlegezeiten und Personalkosten.With the summarization of individual reinforcing steel bar mats according to the invention to form a common handling unit, production is simplified with great advantage, the required storage area is significantly reduced, the loading time / unloading time is greatly shortened and the required crane time is significantly reduced. This invention therefore very advantageously complements the very rapid application of rolling mats to an economically very cost-effective overall system with regard to laying times and personnel costs.

BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS

11
Handlingeinheithandling unit
22
BewehrungstahlstabmatteReinforcing steel bar mat
33
Tragbandsupporting belt
44
BewehrungsstahlstabReinforcing steel bar
55
MattenbreiteMatt width
66
Längsachselongitudinal axis
77
GesamthandlingeinheitTotal handling unit
88th
Abrollrichtungunrolling

Claims (8)

  1. A handling unit (1) formed of a plurality of rollable uniaxial reinforcing steel bar mats (2) connected to one another in a laying order, wherein each reinforcing steel bar mat (2) has reinforcing steel bars (4) secured to supporting straps (3), characterised in that an optical indicator of the mat end is provided between the individual reinforcing steel bar mats (2) of a handling unit (1), said optical indicator being selected from the group formed by a reinforcing steel bar spacing of 30 cm or more, a colour marking on the supporting straps, a colour marking on one supporting strap, and a coupling piece between the supporting straps.
  2. The handling unit (1) according to claim 1, characterised in that the interconnected reinforcing steel bar mats (2) are connected to one another in decreasing mat width (5).
  3. The handling unit (1) according to claim 1 or 2, characterised in that the interconnected reinforcing steel bar mats (2) of a handling unit (1) are arranged symmetrically about the longitudinal axis (6) of the handling unit (1).
  4. The handling unit (1) according to any one of the preceding claims, characterised in that the first reinforcing steel bars (4) of a reinforcing steel bar mat (2) considered to be first in the unrolling direction and/or the last reinforcing steel bars (2) of a reinforcing steel bar mat (2) also considered to be last in the unrolling direction of a handling unit (1) have shorter, in particular eccentrically arranged reinforcing steel bars (4).
  5. The handling unit (1) according to any one of the preceding claims, characterised in that a plurality of handling units (1) are connected to one another in a laying order to form an overall handling unit (7).
  6. A method for producing a handling unit according to any one or more of claims 1 to 5, in which a mat former, after a first manufactured reinforcing steel bar mat (2), continuously manufactures at least one further reinforcing steel bar mat (2), wherein a region without reinforcing steel bars (4) is produced between both reinforcing steel bar mats.
  7. A laying method for a handling unit (1) according to any one of claims 1 to 5, in which
    a) a handling unit (1) is brought into a building to be erected,
    b) the first reinforcing steel bar mat (2) of the handling unit is unrolled and, when the mat end is reached, this being visible on account of the indicator of the mat end, the connection to the subsequent reinforcing steel bar mat is separated,
    c) the next reinforcing steel bar mat (2) is unrolled and, when the mat end is reached, this being visible on the basis of the indicator of the mat end, the connection to the subsequent reinforcing steel bar mat is separated,
    d) step c) is repeated until the handling unit (1) has been completely unrolled.
  8. The laying method according to claim 8, wherein after step b) and/or step c) the remaining handling unit (1) is brought to a second laying location within the building to be erected.
EP14777024.2A 2013-10-07 2014-09-22 Reinforcing steel bar mat, method for producing same and method for laying same Active EP3055466B1 (en)

Priority Applications (1)

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PL14777024T PL3055466T3 (en) 2013-10-07 2014-09-22 Reinforcing steel bar mat, method for producing same and method for laying same

Applications Claiming Priority (2)

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DE102013111064.9A DE102013111064A1 (en) 2013-10-07 2013-10-07 Reinforcing steel bar mat, method for its production and method for its laying
PCT/EP2014/070095 WO2015051987A1 (en) 2013-10-07 2014-09-22 Reinforcing steel bar mat, method for producing same and method for laying same

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AU (1) AU2014334048B2 (en)
CA (1) CA2926697C (en)
DE (1) DE102013111064A1 (en)
DK (1) DK3055466T3 (en)
ES (1) ES2643370T3 (en)
HU (1) HUE037078T2 (en)
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DE102019125300A1 (en) * 2019-09-19 2021-03-25 Häussler Innovation GmbH Method for the reinforcement of a reinforced concrete component
DE102021117313B4 (en) 2021-07-05 2024-07-18 Bam Ag Transport and rolling aid for single-axis reinforcing steel mesh

Citations (1)

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Publication number Priority date Publication date Assignee Title
CA766870A (en) * 1967-09-12 Barron Maurice Welded fabric for reinforced concrete and method of making reinforced concrete

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Publication number Priority date Publication date Assignee Title
US1709441A (en) * 1923-07-18 1929-04-16 Rogow Sydney Concrete bar
DE2606349A1 (en) * 1976-02-18 1977-08-25 Hans Keller Unrollable steel mesh for solid reinforced concrete slab - with bars in elastically flexible troughs in steel or plastic strips
FR2650614B1 (en) * 1989-08-01 1991-10-25 Rech Etudes Tech REINFORCEMENT ASSEMBLY FOR REINFORCED CONCRETE PRODUCTS, METHOD AND INSTALLATION FOR THE PRODUCTION THEREOF
GB9400889D0 (en) 1994-01-18 1994-03-16 Sandoz Ltd Novel compounds
DE9421500U1 (en) * 1994-04-13 1996-01-04 Häussler, Wilhelm, Dipl.-Ing. Dipl.-Kaufm., 87629 Füssen Machine system for the production of reinforcement meshes for reinforced concrete surface structures and these reinforcement meshes themselves
DE9412405U1 (en) * 1994-04-13 1995-08-10 Häussler, Wilhelm, Dipl.-Ing. Dipl.-Kaufm., 87629 Füssen Reinforcement mat for reinforced concrete surface structures and machine for their production
DE29704134U1 (en) 1997-03-07 1998-08-27 Hundegger, Hans, 87749 Hawangen Machine for the production of reinforcing steel mesh
DE19752515A1 (en) 1997-11-27 1999-06-02 Haeussler Planung Gmbh Method and machine for the production of rolled-up reinforcing bar mats
ES2799304T3 (en) * 2005-02-17 2020-12-16 Pedax Gmbh Method and apparatus for fabricating a reinforcing mesh for concrete
DE102008017750A1 (en) 2008-04-07 2009-10-08 Bam Ag Machine for producing uniaxial reinforcement steel mats

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Publication number Priority date Publication date Assignee Title
CA766870A (en) * 1967-09-12 Barron Maurice Welded fabric for reinforced concrete and method of making reinforced concrete

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AU2014334048A1 (en) 2016-04-14
PL3055466T3 (en) 2018-02-28
DE102013111064A1 (en) 2015-04-09
CA2926697A1 (en) 2015-04-16
ES2643370T3 (en) 2017-11-22
HUE037078T2 (en) 2018-08-28
AU2014334048B2 (en) 2018-02-15
WO2015051987A1 (en) 2015-04-16
DK3055466T3 (en) 2017-11-13
CA2926697C (en) 2019-08-27
EP3055466A1 (en) 2016-08-17

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