EP2226449A2 - Dispositif de coffrage et procédé de formation d'un évidement lors du coulage d'un composant - Google Patents

Dispositif de coffrage et procédé de formation d'un évidement lors du coulage d'un composant Download PDF

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Publication number
EP2226449A2
EP2226449A2 EP10001245A EP10001245A EP2226449A2 EP 2226449 A2 EP2226449 A2 EP 2226449A2 EP 10001245 A EP10001245 A EP 10001245A EP 10001245 A EP10001245 A EP 10001245A EP 2226449 A2 EP2226449 A2 EP 2226449A2
Authority
EP
European Patent Office
Prior art keywords
component
box
shuttering device
formwork
recess
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.)
Withdrawn
Application number
EP10001245A
Other languages
German (de)
English (en)
Other versions
EP2226449A3 (fr
Inventor
Nikolaus Wild
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schoeck Bauteile GmbH
Original Assignee
Schoeck Bauteile GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schoeck Bauteile GmbH filed Critical Schoeck Bauteile GmbH
Publication of EP2226449A2 publication Critical patent/EP2226449A2/fr
Publication of EP2226449A3 publication Critical patent/EP2226449A3/fr
Withdrawn legal-status Critical Current

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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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/125—Reinforcement continuity box
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/003—Balconies; Decks
    • E04B1/0038—Anchoring devices specially adapted therefor with means for preventing cold bridging
    • 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
    • E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
    • E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
    • E04G15/061—Non-reusable forms

Definitions

  • the present invention relates to a formwork device according to the preamble of patent claim 1 for creating a recess during casting of a component, in particular of in-situ concrete.
  • the present invention relates to a method according to the preamble of claim 14 for creating a recess during the casting of a component, in particular of in-situ concrete.
  • Another approach provides to properly position the tensile forces receiving element prior to casting of the component and then at least partially encapsulate in the manufacture of the component. This approach allows the absorption of higher tensile forces, but it comes - if the elements are to be provided for example on a building outside - regularly to a projection of at least parts of the element in question, which in particular makes it difficult to make a scaffolding or even impossible.
  • the invention has for its object to further develop a formwork device of the type mentioned above or a method of the type mentioned in that the subsequent setting of a tensile forces receiving element is made possible on a cast component without the introduction of holes and without respect to the component protruding elements ,
  • a shuttering device for creating a recess during the casting of a component, in particular cast-in-situ concrete, characterized by means which allow subsequent determination of a tensile element receiving element in the region of the recess by filling a hardening and / or settable filler, in particular concrete.
  • a method according to the invention for creating a recess during the casting of a component, in particular of cast-in-situ concrete is characterized by the following method steps: delimiting a region corresponding to the recess by means of a formwork, in particular using a shuttering device according to the invention; Arranging means, in particular at least one reinforcing element, which allow subsequent determination of a tensile elements receiving element in the region of the recess by filling a hardenable and / or settable filler, in particular concrete, wherein the means in particular through the formwork on the one hand within the demarcated area and on the other hand outside the delimited area extending in the direction of the component; and casting the component outside the formwork.
  • the tensile forces receiving element is in particular an element of the Isokorb® type from the applicant's own house.
  • the shuttering device according to the invention is used to provide during casting of the component a recess in which the tensile forces receiving element is subsequently fixed by at least partially in the recess is used and then by the recess is filled with a hardening and / or settable filler.
  • the formwork device in a novel way comprises special means which make it possible for the element to be fixed or finally to actually absorb tensile forces.
  • the formwork apparatus is substantially in the form of a box and that the means comprise at least one breakthrough or at least one set breakthrough in at least one wall of the box through which breakthrough at least one Reinforcement element of the component in the free space within the box is insertable.
  • reinforcement elements in particular of metal (steel), in the form of reinforcing bars or the like, are regularly provided within the component in the production of components made of in-situ concrete. If now the shuttering device has at least one (nominal) breakthrough, such a reinforcing element can be inserted into the free space inside the same during the positioning of the shuttering device, whereby subsequently a filling loadable connection can be formed during the filling of the hardening filler material in the region of the recess.
  • the shuttering device may have a plurality of such (predetermined) openings in order to introduce a corresponding number of reinforcing elements in the space within the box can.
  • the mentioned reinforcement elements may be transverse and / or longitudinal reinforcement elements of the component. These can be straight and / or angled.
  • the (nominal) breakthroughs of the formwork device are then designed or arranged accordingly.
  • Another development of the shuttering device according to the invention provides that a number of (nominal) openings of the shuttering device are arranged in at least two mutually opposite walls of the shuttering device designed as a box. If the openings mentioned are arranged symmetrically aligned in a common plane, they are particularly suitable for performing straight reinforcing elements of the component by the formwork device.
  • the aforementioned straight reinforcing elements may in particular be transverse reinforcing elements of the component.
  • the formwork apparatus provides that the (predetermined) apertures are arranged in at least two adjacent box walls, for example a side wall and the bottom of the box. It can further be provided that the said openings are arranged symmetrically to each other, the term "symmetry" in this context, the number and the relative positioning of the (desired) breakthroughs describes each other. In this way, the formwork device is particularly suitable for performing angled reinforcing elements of the component through the box.
  • yet another embodiment of the formwork device according to the invention provides that the box is composed of at least two box parts, which in particular hinged together could be.
  • the dividing line between the box parts preferably extends in the plane in which arranged the (nominal) openings are as described above.
  • a fundamentally different aspect of the formwork device is characterized in that the means are not in the form of (predetermined) openings, but themselves comprise at least one projecting structure, which on the one hand in the free space within the Protruding box and on the other hand protrudes from the outer surface of the box to the outside in the direction of the component.
  • the shuttering device itself has at least one corresponding reinforcement element which extends both inwardly into the shuttering device as well as projecting outward in the direction of the component and is cast accordingly in the casting of the component in this area.
  • said projecting structure has a smaller dimension than a corresponding dimension of the free space within the box and, in particular, does not extend out of the free space within the box, which could otherwise lead to the supernatant problem described above.
  • a preferred embodiment of the formwork device according to the invention provides that it is formed in cardboard or the like.
  • the cardboard material of the formwork device is at least partially impregnated or coated moisture-repellent.
  • the formwork device can also be formed in a plastic, preferably polystyrene.
  • formwork device is formed in a metallic material and in this Connection in particular takes the form of a sheet metal grid or expanded metal.
  • FIG. 1 is a cast component, for example a concrete ceiling, which is specially produced from cast-in-situ concrete or is to be produced.
  • reference numeral 1 may also indicate only that area of space, in which the component concerned is to be produced by casting, in particular cast-in-situ concrete.
  • a tensile forces receiving element 3 can be fixed by the tensile forces receiving element 3 at least partially inserted into the recess and this is then filled with a hardening and / or settable filler, in particular concrete.
  • the tensile forces receiving element 3 is in the case of the embodiment according to FIG. 1 to several individual elements of the type Isokorb® from the house of the applicant, of which in the illustration according to FIG. 1 each a number of reinforcing elements 3a and the component 1 facing the insulating element 3b can be seen.
  • the formwork device 4 is according to FIG. 1 formed from a plurality of box or cuboidal elements 4.1, 4.2, 4.3, wherein the box 4.2 corresponding further element (4.4) below the box 4.3 for illustrative reasons is not recognizable.
  • the larger box elements 4.1, 4.3 are identical and arranged side by side so that their two short end faces (4.1a, 4.3a) are aligned with the front edge 1a of the component 1.
  • the further box elements 4.2 have, at least in one spatial direction, a smaller dimension than the box elements 4.1, 4.3.
  • the former are arranged side by side and below the box elements 4.1, 4.3 such that they are aligned with one of their sides 4.2a over the entire common end face 4.1a, 4.3a of the box elements 4.1, 4.3 with the front edge 1a of the component 1, so that overall an L-shaped cross-sectional profile of the shuttering device 4 results, without the invention being limited to such a type of arrangement of box elements or such a form of shuttering device.
  • the box elements 4.1, 4.3 are each composed of an upper box part 4.1b, 4.3b and a lower box part 4.1c, 4.3c, wherein the upper and lower box parts are joined together along a parting line 5.
  • reinforcing elements 6, 7 extend into the recess area defined by the shuttering device 4, which will be described later on the basis of FIG FIGS. 2 to 4 will be discussed in more detail.
  • the reinforcing elements 6 are so-called transverse reinforcements, while the reinforcing elements 7 are so-called longitudinal reinforcements.
  • FIG. 3 At the front edge 1a of the component 1, an additional (building) insulation 8 can be seen laterally of the insulating elements 3b, which, however, plays no role in the context of the present invention.
  • FIG. 3 at 9 a masonry building exterior wall is shown, on which the formed as a concrete ceiling component 1 rests.
  • FIG. 2 shows a section approximately along the line II-II in FIG. 1 , However, in the illustration according to FIG. 2 only one upper box element 4.1, 4.3 and only one lower box element 4.2, 4.4 are shown. Well recognizable in FIG. 2 a transverse reinforcement element 6 and a number of longitudinal reinforcement elements 7, which are angled downwards at their rear end 7a and extend into the region of the lower box element 4.2, 4.3. In the case of reference symbol 3a, reinforcing elements of the tensile-force-absorbing element 3 are again shown (cf. FIG. 1 ).
  • FIG. 3 shows a sectional view approximately along the line III-III in FIG. 1 ,
  • the course of the transverse reinforcement elements 7 and the course of the reinforcing elements 3a of the tensile forces receiving element 3 in the region of the recess is particularly well visible.
  • the reinforcing elements 6, 7 extend according to FIG. 2 and FIG. 3 from the region of the component 1 into the region of the recess defined by the shuttering device 4 or, in the case of the transverse reinforcement elements 6, even completely through the region of the recess.
  • the reinforcing elements 3 a of the tensile forces receiving element 3 are also arranged in the region defined by the shuttering device 4 recess in the component 1, so that the element 3 after filling the recess with a hardening and / or settable filler, such as concrete, actually for receiving Tensile forces is suitable.
  • box elements 4.1 - 4.4 next to or above each other can be basically create recesses of any shape and / or size, so that virtually any and in particular any numbers of tensile forces receiving elements 3 are subsequently fixed to the component 1.
  • the present invention offers the significant advantage that due to the created recess the subsequent setting of the tensile forces receiving elements is made possible in the first place, so that initially in the production of the component 1 no elements protrude beyond the front edge 1a.
  • This is particularly important in the field of building construction of crucial importance, if it is the component 1, for example, a concrete ceiling, then in the area of the component leading edge 1a, for example, to position a scaffold, without causing obstruction by protruding reinforcing elements such the reinforcing elements 3a according to FIG. 1 , would come.
  • FIG. 4 As can be seen in particular in the box element 4.2, 4.4, the formwork device 4 has a number of openings 10, with which it is threaded onto the (angled) ends 7a of the longitudinal reinforcement elements 7, so that the said ends extend into the interior of the box member 4.2, 4.4. Also on the box element 4.1, 4.3 are provided around corresponding openings 10 for the insertion of the reinforcing elements 6, 7, of which in the present case for reasons of clarity, only a few examples are referred to. The openings 10 for the transverse reinforcement elements 6 are arranged in alignment with one another in opposite side walls of the box element 4.1, 4.3, as in FIG FIG. 4 shown.
  • the longitudinal reinforcement elements 7 are openings 10 in adjacent walls (here: side wall and bottom) of the box element 4.1, 4.3, so that the Longitudinal reinforcing elements 7 can be inserted laterally into the box 4.1, 4.3 and then then with their angled ends 7a at the bottom of the box 4.1, 4.3 in the area corresponding apertures 10 emerge again, then enter the box 4.2, 4.4, as already described.
  • the box elements 4.1, 4.3 correspondingly before production of the component 1 but after arrangement of the reinforcement 6, 7, it is a special relief if the box elements 4.1, 4.3 - as shown - separable at the parting line 5 are, so that first the lower box part 4.1 c, 4.3 c threaded from below onto the angled ends of the longitudinal reinforcement elements 7 and brought into abutment with the now approximately halved openings 10 of the reinforcement plane from below against the transverse reinforcement elements 6. Subsequently, the upper box part 4.1b, 4.3b is placed so as to form together with the lower box part 4.1 c, 4.3c the box element 4.1, 4.3, as in FIG. 4 shown. This is held by the reinforcing elements 6, 7 in position. Subsequently, the box element 4.2, 4.4 threaded in the manner shown on the angled ends 7a of the longitudinal reinforcement elements 7.
  • the openings 10 may already be formed in advance in the formwork device 4. Alternatively, it is possible to provide a number of desired openings in the side walls of the formwork device 4, which can then be opened depending on the position and / or geometry of the reinforcing elements 6, 7 to the openings 10.
  • the formwork device 4 is formed from a readily workable material, such as cardboard or plastic (polystyrene), even the provision of desired breakthroughs can be dispensed with, and the apertures 10 are made on site with the aid of a suitable tool (knife, screwdriver or The like) completely flexible depending on the request generated.
  • a suitable tool such as screwdriver or The like
  • the shuttering device 4 as described above with reference to FIGS. 1 to 4 described, was formed or arranged in the region of the component to be cast 1, the area 1 according to FIG. 1 poured out, in particular with in-situ concrete. In the edge region of the component 1 remains in this way a recess with the shape defined by the shuttering device 4, within which the reinforcing elements 6, 7 on the one hand at least partially exposed, while they are poured into the other part 1.
  • the formwork device 4 that is, the box elements 4.1-4.4 is not designed to be open to the outside in the area of the component front edge 1a, then the formwork material is removed at least in this area, and the tensile element receiving element 3 can with its reinforcing elements 3a be introduced into the area of the recess. This is then filled with a hardening and / or settable filler, in particular concrete, so that there is a load-bearing connection between the element 3 and the component 1 in the region of the (former) recess.
  • the reinforcing elements 6, 7 need not be reinforcing elements of the component 1, but the reinforcing elements 6, 7 may be part of the formwork device 4. They are then connected directly to the side walls of the box elements 4.1, 4.3 in the form and arrangement described above. In this way, eliminating the sometimes cumbersome threading through the reinforcing elements 6, 7 by the shuttering device 4th
  • the formwork device 4 need not consist of a plurality of box elements, but they may be formed in one piece and in virtually any geometry, as long as their use, the desired recess for setting a tensile forces receiving element is created.
  • reinforcing elements 6, 7 are not limited to the shape, arrangement and extension shown in the figures by way of example.
  • the formwork device 4 is designed to be open on its side arranged on the component front edge 1a, that is to say the box elements 4.1, 4.3 or 4.2, 4.4 have no side wall 4.1a, 4.3a, or 4.2a, 4.4a. In this way, it is no longer necessary, after the casting of the component 1 and before the introduction of the tensile forces receiving element 3 form a corresponding opening in the shuttering device 4, which can be particularly troublesome when the shuttering device 4 according to a particular embodiment of the present Invention in a metallic material, preferably in the manner of an expanded metal or sheet metal grid is formed.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Reinforcement Elements For Buildings (AREA)
EP10001245.9A 2009-03-04 2010-02-06 Dispositif de coffrage et procédé de formation d'un évidement lors du coulage d'un composant Withdrawn EP2226449A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009011616A DE102009011616A1 (de) 2009-03-04 2009-03-04 Schalungsvorrichtung und Verfahren zum Schaffen einer Aussparung beim Gießen eines Bauteils

Publications (2)

Publication Number Publication Date
EP2226449A2 true EP2226449A2 (fr) 2010-09-08
EP2226449A3 EP2226449A3 (fr) 2013-04-24

Family

ID=42263925

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10001245.9A Withdrawn EP2226449A3 (fr) 2009-03-04 2010-02-06 Dispositif de coffrage et procédé de formation d'un évidement lors du coulage d'un composant

Country Status (4)

Country Link
US (1) US20100225024A1 (fr)
EP (1) EP2226449A3 (fr)
CA (1) CA2695262A1 (fr)
DE (1) DE102009011616A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102828799A (zh) * 2012-09-18 2012-12-19 浙江吉利汽车研究院有限公司杭州分公司 一种油气过滤管及其成型模具

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EP0055321A1 (fr) * 1980-12-29 1982-07-07 Losinger AG Dispositif porteur d'armatures de liaison pour la réalisation d'un raccordement solide entre deux éléments de construction
GB2119826A (en) * 1982-04-26 1983-11-23 Square Grip Ltd Reinforcement for concrete joints
DE20319471U1 (de) * 2003-12-16 2005-01-20 Pfeifer Holding Gmbh & Co. Kg Verbindungsfuge für den Kraftschluß von Betonfertigteilen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102828799A (zh) * 2012-09-18 2012-12-19 浙江吉利汽车研究院有限公司杭州分公司 一种油气过滤管及其成型模具

Also Published As

Publication number Publication date
CA2695262A1 (fr) 2010-09-04
EP2226449A3 (fr) 2013-04-24
DE102009011616A1 (de) 2010-09-09
US20100225024A1 (en) 2010-09-09

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