EP1101883A1 - Dispositif pour la réalisation d'un raccordement d'armatures entre un élément de construction en béton et un élément de construction connecté - Google Patents

Dispositif pour la réalisation d'un raccordement d'armatures entre un élément de construction en béton et un élément de construction connecté Download PDF

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Publication number
EP1101883A1
EP1101883A1 EP00125112A EP00125112A EP1101883A1 EP 1101883 A1 EP1101883 A1 EP 1101883A1 EP 00125112 A EP00125112 A EP 00125112A EP 00125112 A EP00125112 A EP 00125112A EP 1101883 A1 EP1101883 A1 EP 1101883A1
Authority
EP
European Patent Office
Prior art keywords
hollow body
connection
concrete
concrete component
component
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.)
Granted
Application number
EP00125112A
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German (de)
English (en)
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EP1101883B1 (fr
Inventor
Gerhard Horstmann
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.)
H Bau Technik GmbH
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CONSTRUMAT AG
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Filing date
Publication date
Application filed by CONSTRUMAT AG filed Critical CONSTRUMAT AG
Publication of EP1101883A1 publication Critical patent/EP1101883A1/fr
Application granted granted Critical
Publication of EP1101883B1 publication Critical patent/EP1101883B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • 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
    • 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

Definitions

  • the present invention relates to the field of concrete construction. It affects one Device for establishing a reinforcement connection between a reinforced one Concrete component and a connecting component according to the preamble of the claim 1.
  • Reinforcement connections of this type are provided and designed for this purpose, tensile forces to be transferred between the concrete component and the connecting component if possible to the extent that these components themselves take tensile forces can.
  • this is essential Anchor body in particular on its so-called anchoring length in both Components.
  • connection component e.g. a concrete wall and a concrete ceiling or one Various techniques are known.
  • a slightly different technique uses a foam body instead of a hollow box to accommodate the bent free ends (DE-C3-25 03 742). After removal of the formwork, the foam body is scraped out of the concrete component and the free end areas of the reinforcing bars can be in the vertical bent back and used as a connection anchor.
  • a reinforcement connection element is therefore proposed in DE-A1-37 37 645 which works without bending the reinforcing bars.
  • this known reinforcement connector are with a storage box Screw sockets connected in such a way that first reinforcing bars from one side protruding vertically, which can be screwed into the concrete of the concrete component be embedded, and that after demoulding the concrete component from the other side second reinforcement bars can be screwed in as Serve reinforcement.
  • this reinforcement element bending processes are eliminated, use and fastening of the screw sockets and that Screwing in the reinforcing bars is complex and time-consuming. Both Screw sockets are also expensive parts.
  • Devices for forming connections are also known, in which however, it is at least primarily about the control of thrust forces, i.e. around Forces that are parallel and not perpendicular to the concrete component or are directed transversely to the connecting component.
  • thrust forces i.e. around Forces that are parallel and not perpendicular to the concrete component or are directed transversely to the connecting component.
  • An example of this is the storage of a False ceiling or the intermediate platform of a staircase in a larger one Raised concrete wall.
  • the known devices in the Concrete wall made as recesses usable in which the subsequently the concrete slab or the pedestal is supported. It is essential in this case on a support surface that is as wide and as flat as possible Load direction. The depth of the bearing surface is less critical, if one certain minimum dimensions of usually only a few centimeters is undercut.
  • the object is achieved by the entirety of the features of claim 1.
  • the essence of the invention is by means of one on the inside of the connection side Formwork attached displacement body when pouring the concrete component to create a cavity in which, after removing the formwork one end of an anchor body housed as a rebar connector and later is concreted. This allows for complex pre-assembly of the anchor body and an associated back and forth bending can be dispensed with. A sufficiently deep anchoring of the anchor body in the concrete component is thereby achieved that the displacement body is dimensioned so that it undisturbed between the reinforcement of the concrete component can intervene.
  • the displacement body is as Hollow body is formed, the hollow body as remaining in the concrete component Body is formed. So that the rebar anchored in the hollow body
  • the hollow body can be conical in tension in the direction of the connecting component be tapered towards the formwork.
  • the hollow body essentially is can-shaped, preferably cylindrical, when the hollow body a thin-walled metal sheet, and if the hollow body means, preferably in the form of circumferential grooves or beads, to produce a Form fit between the hollow body and the concrete surrounding it Has concrete component.
  • the rebar can be designed as a head anchor. However, it is preferred bent in the area of the cavity formed by the displacement body, in particular bent approximately in a U-shape. It can be provided that both or just one of the two U-legs in the area of the connection component project or project. This training results, especially if that bent reinforcing bars pushed all the way back into the cavity is sufficient even with only a small depth of the cavity Anchorage length and a particularly good and highly resilient embedding in the concrete component, the rebar itself being relatively slim in Diameter can be selected.
  • the connecting part can in principle be arbitrarily designed, for. B. in the form of a rod, one perforated plate or the like. It could also be used as a flat box, preferably be made of a metal sheet, in which one of the number of by Connection part held together displacement body or hollow body corresponding number of reinforcing bars can be removed in a storage position are stored.
  • the connection device comprises a plurality of displacement bodies 15 in the form of can-shaped hollow bodies.
  • the displacement body 15 are open on one side and have on the open side a flange, by means of which it is on the inside of the connection side Formwork 12 attached, e.g. nailed up, are.
  • the displacers 15 are attached open to the formwork 12, as for the top three bodies are shown in FIG. 1. But it is also conceivable to use the body a removable cover, as is the case with the lower displacement body 15 is indicated in Fig. 1. Such a cover offers additional protection against inadvertent penetration of concrete during the manufacture of the concrete component 10th
  • the lateral extent of the displacement body 15 (a in FIG. 3) is according to the invention chosen so that the body between the reinforcement bars 14 have good space.
  • the height of the displacement body 15 (h in Fig. 3) is preferred chosen such that they are sufficiently far into the concrete 13 for good anchoring (and the reinforcement 14) protrude, but not on the opposite formwork Toast 11.
  • a height h des has proven to be particularly suitable in practice Displacement body 15 between 60 mm and 150 mm, in particular between 100 and 120 mm and a lateral dimension a (one with a round cross section Diameter) of between 50 mm and 150 mm, in particular between 75 mm and 100 mm, proven.
  • the can-like displacement bodies 15 of the exemplary embodiment from FIGS. 1 to 3 are preferably made of a metal sheet. You stay with the manufacture of the concrete component 10 in the concrete 13 and ensure that cavities 16 remain free, into which the rebar (17 in Fig. 2, 3) is then inserted and then cast can be. So that over the cast-in displacement body 15 sufficient introduction of tensile forces acting on the reinforcing bars 17 in the concrete component 10 is guaranteed, the displacement body or hollow body 15 equipped with means 28 (Fig. 3) to achieve a positive fit, the for example in the form of circumferential grooves or beads. But it is the same well, the displacement body 15 is also conceivable for this purpose to be designed differently than cylindrical, for example conical towards the formwork 12 rejuvenating.
  • connection component 18 After the formwork 11, 12 is removed from the concrete component 10, according to FIG. 2 and 3 reinforcing bars 17, which are preferably bent in a U-shape, with one End inserted into the resulting cavities 16 such that they with the protrude the other end from the cavities 16 sufficiently far for anchoring to be included in the connection component 18 or 19.
  • connection component also made of concrete (18 in Fig. 2) from the cavities 16th protruding ends cast into the component.
  • the connection component is on Masonry (19 in Fig. 2), the ends of the reinforcing bars 17 conveniently protrude into the joints of the masonry. In the latter case, the reinforcing bars must be 17 separately concreted in the cavities 16 before masonry become.
  • the can-like displacement bodies 15 of the exemplary embodiment from FIGS. 1 to 3 could also be made of a plastic material instead of sheet metal. In this case, they will usually be removed before the connection component is created remove the concrete component. To make removal easier, you can use Aids for this purpose, such as with suitable breaking lines or the like.
  • FIGS. 1 to 3 can be used as a displacement body of course also full body, e.g. from a rigid foam or the like., Are used. These full bodies must be removed from the formwork However, concrete component 10 removed, e.g. are scraped out to the required To create cavity for the insertion of the rebar 17.
  • FIGS. 1 to 3 individual displacement bodies 15 become independent attached to each other on the formwork 12. On the one hand, this creates one high flexibility in use. On the other hand, the individual attachment requires the body however, an increased workload. It can therefore be advantageous, according to FIG. 4 and 5 a plurality of displacement bodies 15 by a connecting part from one another spaced to connect firmly. By fastening the connecting part on the formwork 12 can thus several displacement body 15 in a single Operation to be attached.
  • the connecting part can advantageously be in the form of a box 22 are formed, the box 22 as a storage container for the pre-assembled (U-shaped bent) rebar 17 is used and a removable cover 25 serving as the end of the box 22.
  • connection device 27 with a plurality of displacement bodies 15 and one completed box containing the required rebar 17 22 can be delivered as a complete unit to the construction site and there practically without additional Effort.
  • the complete connection device 27 will first with the help of fastening holes 26 on the inside of the formwork 12 nailed. After removing the formwork from the concrete component 10, the cover 25 is removed and the reinforcing bars 17 are removed and placed in the cavities 16 placed. To hold or guide the reinforcing bars 17 can be in the hollow bodies Holding means such as the holding elements 20 and or shown in Fig. 4 Holding elements 21 may be provided. If the reinforcing bars 17 are placed, this can be done Connection component including the free ends of the reinforcing bars 17 be carried out. For holding the reinforcing bars 17 in the cavities 16 the rebar 17 could also be bent so that the one Prestressed leg of the rebar against the wall of the Hollow body can be pressed, as shown in the lower part of Fig. 2.
  • the box 22 expediently also from sheet metal.
  • the connection device 27 can in the box 22 to form a Flange 24 the necessary through openings 23 are expressed, whereby by means of the flanged edge 24, the displacement body 15 at the same time on the box 22 is attached.
  • FIG. 6 shows another device 30 with several, through a connecting part 31 interconnected can-shaped hollow bodies 32.
  • the can-shaped hollow body 32 consist advantageously again from a thin metal sheet of e.g. only 0.3 mm thick and are again with circumferential grooves or beads 33 on its cylindrical Provide outer surface. Furthermore, they have a narrow outside slightly protruding edge 34.
  • the connecting part 31 comprises a first one Plate 35, which is provided with holes 36 at regular intervals. The Holes 36 correspond in diameter to the outside diameter of the can-shaped hollow body 32.
  • the can-shaped hollow body 32 In the holes 36 are the can-shaped hollow body 32 each with its base 37 pushed in so far until it faces outwards protruding edge 34 strikes the edge of the hole. In this position they are without further measures are kept stable in the plate 35, especially if they are in the Holes 36 are inserted with some tension.
  • a second, continuous one Plate 38 which is mounted flat on the first plate 35, are can-shaped Hollow body 32 additionally secured in the first plate 35 against falling out.
  • the openings of the can-shaped hollow body 32 through the second Plate 38 covers, which also functions as a common Closure element for all hollow bodies 32 against the ingress of concrete or Concrete milk takes over when concreting the concrete component.
  • the two plates 35 and 38 can be circumferential for this purpose e.g. with a sealant or an adhesive tape 39 are additionally sealed against each other.
  • material for the two plates 35 and 38 are particularly suitable for wood or plastic However, the advantage of so-called hardboard.
  • the device 30 can be manufactured in the simplest way, being for the can-shaped ones Hollow body cheap, commercially available food cans can be used. In the the plate 35 necessary holes can be easily punched out. The Assembling the parts requires only the simplest of operations or operations assembly direction and can be automated if required. The attachment The device on the construction site is just as rational and can be done simply Nailing done. Appropriate mounting holes can if necessary in the Plates 34 and 38 are provided, but are not even necessary if for these hardboard are used.
  • the to remove second plate 35 can in the described embodiment of Device 30 also advantageously removes the first plate 35 by using this simply over the slightly protruding outer edges 34 of the can-shaped hollow body 32 is pulled. Except for the can-shaped hollow bodies In this case 32 no part of the device 30 from FIG. 6 remains in the concrete component back and the concrete or mortar of the connecting component can thereby better to the Connect the concrete component.
  • the removal of one or both plates 35, 38 has the further advantage that in the concrete component as in the device of FIG. 4 and 5, an additional recess in the plate corresponding to the size of the plates Concrete component is created after the connection component has been created can absorb transverse thrust forces.
  • the deepening can therefore also be called Designate the drawer.
  • the depth of this drawer can be easily determined by the thickness the plates 35 and / or 38 are determined.
  • Connection or cover element is sufficient if the two plates only are a few millimeters thick, especially since they are attached to each other stabilize each other. Run thin, they also interfere with the reinforcement of the Concrete component not and still guarantee a good even in the connection area Concrete cover of this reinforcement.
  • connection-side reinforcement 40 of the concrete component with dashed lines indicated.
  • an effective thrust anchorage should not be dispensed with, without further ado
  • other displacement bodies are provided, which then, however, unlike the can-shaped Hollow body, of lesser height and not between the reinforcement of the Concrete component should be designed to intervene. Also more suitable for this a rectangular as a round cross-sectional shape.
  • the arrangement of the can-shaped hollow body of the device 30 relative to the connection-side reinforcement of the concrete component is also sketched in Fig. 7, the one Cut through the plane of this reinforcement in the form of a lattice-shaped Reinforcement mat 40 shows.
  • the mesh size of this mat could e.g. the usual dimension of 150 mm and the individual reinforcing bars one Have a diameter of 6 mm.
  • For the can-shaped hollow body 32 here is one Assumed diameter of 80 mm.
  • the can-shaped Hollow body against each other and with respect to the reinforcement 40 a sufficient Distance so that they are well embedded in the concrete of the concrete component and also the reinforcement 40 is still a good concrete cover of more than usual required 20 - 25 mm.
  • the diameter of the Hollow body with the assumed mesh size of the reinforcement grid of 150 mm can even be increased to 100 mm.
  • connection component is designed also as a concrete part with the cavities created in the first created concrete component the concrete of the connecting component is also full and as complete as possible can be filled out to one section of the used Embed reinforcement bars as optimally as possible.
  • the height of the Hollow body 32 may be the height of the Hollow body 32 but not too low. What the required Anchoring length can be used advantageously within the scope of the invention but the fact that the reinforcing bars are not exploited must be bent at least twice, which affects their strength and by a not inconsiderably longer anchorage length and / or by a larger cross section must be taken into account.
  • the height of the can-shaped Hollow body 32 can therefore be selected to be smaller than that in the prior art anchorage length required in most cases. Strength tests at the Even have use of simple, thin-walled canning jars Surprisingly, the anchoring length is below that of the current standard required length could be reduced.
  • rebars can be used as in 8a) - 8d) each inserted into a can-shaped hollow body according to FIG. 6 are shown (the beads or grooves 28 are in this figure for simplification not shown, likewise they are omitted in FIGS. 9a) and 9c)).
  • 8a) shows a relatively thick rebar with an upset Anchor head. Due to the anchor head, an anchoring length in the specified height range for the used according to the invention Displacement body.
  • Anchor bodies according to Fig. 8a) - 8c) are particularly suitable for use in Connection area of thicker concrete walls, as shown in Fig. 9 a), because the free ends only a certain distance d from the two reinforcement layers 51 and 52 of the Connection concrete component may have to ensure sufficient load transfer ensure these reinforcement layers.
  • the reinforcing bars of Fig. 8 b) or 8c) are also particularly suitable if the connecting component is designed as masonry, because then by a inserting the reinforcing bars diagonally into the hollow body the height (above the Bottom) of their free end vary to a certain extent and thereby to the height the masonry joints can be adjusted, as shown schematically in Fig. 9b) is.
  • the hollow body itself can, on the other hand, with a certain tolerance be placed relative to the masonry joints in the concrete component, which in practice is which is inevitable anyway.
  • Fig. 9c shows the connection case of a thinner concrete wall.
  • d the maximum distance d of the free ends of the reinforcing bars in Connection component are also maintained by the two free equally long Reinforced iron bars bent symmetrically in a U-shape. Possibly. can do it here be necessary with the diameter of the hollow body used to the upper Limit to go.
  • Fig. 8 d is a U-shaped as a further embodiment for an anchor body bent rebar shown, which is more acute in the bending area is executed. This can ensure that the rebar is also completely embedded in the concrete of the connecting component if the Hollow body does not completely fill with concrete for some reason, as shown in Fig. 8d) also shows.
  • the invention results in a device for a reinforcement connection, which is simple to manufacture and easy and with advantages on the Construction site.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP00125112A 1999-11-17 2000-11-17 Procédé pour la réalisation d'un raccordement d'armatures entre un élément de construction en béton et un élément de construction connecté Expired - Lifetime EP1101883B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH209499 1999-11-17
CH209499 1999-11-17

Publications (2)

Publication Number Publication Date
EP1101883A1 true EP1101883A1 (fr) 2001-05-23
EP1101883B1 EP1101883B1 (fr) 2006-04-05

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EP00125112A Expired - Lifetime EP1101883B1 (fr) 1999-11-17 2000-11-17 Procédé pour la réalisation d'un raccordement d'armatures entre un élément de construction en béton et un élément de construction connecté

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EP (1) EP1101883B1 (fr)
AT (1) ATE322594T1 (fr)
DE (1) DE50012517D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011003212A1 (fr) * 2009-07-10 2011-01-13 Stahlton Bauteile Ag Elément de paroi multifonction permettant à des murs de résister aux tremblements de terre
DE102010027661A1 (de) * 2010-07-19 2012-01-19 Schöck Bauteile GmbH Schalungsvorrichtung und Verfahren zum Schaffen einer Aussparung beim Gießen eines Bauteils
EP2481867A1 (fr) * 2011-01-28 2012-08-01 SCHÖCK BAUTEILE GmbH Elément de montage dans des joints de séparation de bâtiments
CN103556819A (zh) * 2013-11-23 2014-02-05 中建四局第六建筑工程有限公司 一种在梁板上预留构造柱孔洞的施工方法
CN104040087A (zh) * 2011-08-12 2014-09-10 Vsl国际股份公司 张力构件进给设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1363439A (fr) * 1963-05-06 1964-06-12 Ingenjors N Orrje & Co Ab Fa élément de construction
DE29614733U1 (de) * 1996-08-24 1997-12-18 Dyckerhoff & Widmann AG, 81902 München Vorrichtung zur Verankerung von Bewehrungsstäben
DE19758269A1 (de) * 1997-12-31 1999-07-01 Schoeck Bauteile Gmbh Vorrichtung zur Bildung von Decken- und/oder Wandanschlüssen
EP0943746A2 (fr) * 1998-03-20 1999-09-22 Erico International Corporation Boulon d'ancrage et méthode d'armature de structure en béton

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1363439A (fr) * 1963-05-06 1964-06-12 Ingenjors N Orrje & Co Ab Fa élément de construction
DE29614733U1 (de) * 1996-08-24 1997-12-18 Dyckerhoff & Widmann AG, 81902 München Vorrichtung zur Verankerung von Bewehrungsstäben
DE19758269A1 (de) * 1997-12-31 1999-07-01 Schoeck Bauteile Gmbh Vorrichtung zur Bildung von Decken- und/oder Wandanschlüssen
EP0943746A2 (fr) * 1998-03-20 1999-09-22 Erico International Corporation Boulon d'ancrage et méthode d'armature de structure en béton

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011003212A1 (fr) * 2009-07-10 2011-01-13 Stahlton Bauteile Ag Elément de paroi multifonction permettant à des murs de résister aux tremblements de terre
DE102010027661A1 (de) * 2010-07-19 2012-01-19 Schöck Bauteile GmbH Schalungsvorrichtung und Verfahren zum Schaffen einer Aussparung beim Gießen eines Bauteils
DE102010027661B4 (de) * 2010-07-19 2012-08-02 Schöck Bauteile GmbH Schalungsvorrichtung und Verfahren zum Schaffen einer Aussparung beim Gießen eines Gebäudebauteils
RU2496956C2 (ru) * 2010-07-19 2013-10-27 Шок Баутайле Гмбх Опалубочное устройство и способ образования углубления при отливке конструктивного элемента
EP2410096A3 (fr) * 2010-07-19 2014-03-19 SCHÖCK BAUTEILE GmbH Dispositif de coffrage et procédé de formation d'un évidement pendant le coulage d'un composant
US8875458B2 (en) 2010-07-19 2014-11-04 Schock Bauteile Gmbh Molding arrangement and method for creating a recess when casting a part
EP2481867A1 (fr) * 2011-01-28 2012-08-01 SCHÖCK BAUTEILE GmbH Elément de montage dans des joints de séparation de bâtiments
CN104040087A (zh) * 2011-08-12 2014-09-10 Vsl国际股份公司 张力构件进给设备
CN104040087B (zh) * 2011-08-12 2016-05-18 Vsl国际股份公司 张力构件进给设备
CN103556819A (zh) * 2013-11-23 2014-02-05 中建四局第六建筑工程有限公司 一种在梁板上预留构造柱孔洞的施工方法
CN103556819B (zh) * 2013-11-23 2015-12-09 中建四局第六建筑工程有限公司 一种在梁板上预留构造柱孔洞的施工方法

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Publication number Publication date
EP1101883B1 (fr) 2006-04-05
ATE322594T1 (de) 2006-04-15
DE50012517D1 (de) 2006-05-18

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