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EP2865821B1 - Procédé d'ancrage d'un élément de force transversale sur un élément de construction - Google Patents

Procédé d'ancrage d'un élément de force transversale sur un élément de construction Download PDF

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Publication number
EP2865821B1
EP2865821B1 EP14190142.1A EP14190142A EP2865821B1 EP 2865821 B1 EP2865821 B1 EP 2865821B1 EP 14190142 A EP14190142 A EP 14190142A EP 2865821 B1 EP2865821 B1 EP 2865821B1
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EP
European Patent Office
Prior art keywords
recess
transverse force
building part
force element
filling
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.)
Active
Application number
EP14190142.1A
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German (de)
English (en)
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EP2865821A1 (fr
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
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Schoeck Bauteile GmbH
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Publication date
Application filed by Schoeck Bauteile GmbH filed Critical Schoeck Bauteile GmbH
Publication of EP2865821A1 publication Critical patent/EP2865821A1/fr
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Classifications

    • 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
    • E04B1/38—Connections for building structures in general
    • E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
    • E04B1/483—Shear dowels to be embedded in concrete

Definitions

  • the present invention relates to a method for anchoring a transverse force element for connecting building parts to a building part to be made of concrete.
  • transverse force element In the field of building construction, parts of buildings must be statically connected to each other via an expansion or insulation joint.
  • rigid reinforcing elements are used, which are referred to below as the transverse force element.
  • transverse force element reinforcing elements are referred to in this context, which consist not only of a slender rod material, but of a relatively rigid sleeve or profile material, and thus are capable of despite horizontal extension direction over the joint between two parts of the building to be connected and the transverse to absorb and transmit this horizontal extension direction extending transverse forces.
  • Such a transverse force element in the form of a transverse force mandrel is for example in the EP 1 528 169 B1 described.
  • a method for the subsequent anchoring of tensile reinforcement elements is in the EP 2 410 096 A2 described.
  • building parts in particular floor slabs by means of corresponding recess body upwardly open, provided with undercut areas recesses, can be inserted into the later Switzerlandkraftbewehrungs institute and cast with concrete.
  • elongated elastic recess body are used with undercut areas whose diameter is reduced under train, so that the recess body when creating a building part embedded in the liquid concrete and can be easily removed again after the setting of the concrete.
  • a terminal filling opening can be provided by means of a hose, which serves for the injection of mortar. Reinforcing bars can be anchored in the recesses created in this way at a later time.
  • a method for anchoring a transverse force element according to the preamble of claim 1 shows the US 2010/0199589 ,
  • a recess body is embedded in a part of the building frontally, consisting of a guide tube and an end attachment chamber consists.
  • a transverse force element, which is fixed in a second part of the building, is inserted into the guide tube and has at its end a corrugated area, which can be fixed in the fixing chamber with a potting compound.
  • an inner hollow connecting element is shown, which can be cemented into a recess by mortar can be pressed into the interior of the connecting element by a lateral feed. This exits at the end sides and fills the gap between the connecting element and the recess.
  • the invention has for its object to provide a method for subsequent safe anchoring of a transverse force element to be created from a concrete building part.
  • a corresponding, preferably prefabricated building part is to be specified, which is prepared for anchoring a shear force element.
  • a transverse force element to be created from concrete building when creating the building a provided with undercut areas, provided substantially horizontal, perpendicular to their extension direction on all sides of the building part enclosed recess in the building part by a corresponding recess body in a formwork for the Building part is arranged.
  • the recess is also provided with at least two substantially vertical filling and vent openings. A first of the at least two vertical filling and venting openings is located in a terminal region of the recess and a second of the at least two vertical filling and venting openings is arranged in a front region of the recess.
  • the lateral force element is introduced along the direction of extension in the recess and the recess via at least one of the filling and venting openings with a filling compound, esp special grouting mortar or concrete, filled.
  • a filling compound esp special grouting mortar or concrete
  • a secure, positive anchoring of the transverse force element in a previously created part of the building is achieved by simple means that can absorb large lateral forces.
  • such an anchorage is suitable for subsequent attachment to a building, and to connect it statically, so as to raise and stabilize the balconies, which are supported by means of their own support structure relative to the ground.
  • a transverse force element can be anchored to the building as well as to a transverse force element connected to the building on a subsequently attached balcony slab according to the method according to the invention.
  • the at least two vertical filling and venting openings ensure that sufficient filling material is injected through the filling opening and that the cavity to be filled is simultaneously ventilated through the venting opening so that no cavities remain.
  • a first opening is arranged as a filling opening in a terminal region of the recess and a second opening as a vent opening in a front region of the recess, a complete filling of the cavity can be reliably monitored by injecting filling compound until it is again through the vent opening exit.
  • the filling and vent openings can already when creating the building part by attaching appropriate sleeves or tubes to the recess part be generated. Alternatively, it is also possible to introduce the filling and vents after creating the building part in the form of holes.
  • a hollow body in particular Hüllwellrohr be used, which can remain as a lost formwork in the building part.
  • a hollow profile with round or polygonal, over the length of the element not changing cross-section for example, an upright standing rectangular cross section
  • hollow profiles angled profile cross-sections such as double T-profiles or similar. to be used, which are constructed and arranged according to the main load directions.
  • the filling compound used for example grout or concrete, can flow into the hollow profile during filling of the cavity and thus give the transverse force element additional stability.
  • the transverse force element may also have a vertical contact plate, up to which it is inserted into the recess, so that the contact plate rests against the building part and the recess closes the front side. This makes it possible to dispense with a separate front closure when filling the recess and the contact plate allows additional support of the transverse force element to the relevant part of the building.
  • the transverse force element may have a rear anchoring element, preferably bow, whereby additional stability can also be achieved against tensile load.
  • a concrete building part according to the invention comprises an elongated recess extending from an end face substantially perpendicular to the latter into the building part, having undercut areas and having at least two spaced apart, substantially vertical to the recess and extending to an upper side the building part extending filling and vents is provided for injecting a potting compound.
  • Such a building part can be prefabricated in a factory and delivered as a finished part to a construction site to be statically connected there with other parts of the building by anchoring or shedding corresponding transverse force elements in the prefabricated recesses.
  • a statically anchored transverse force element a joint between two statically interconnected building parts, which may be filled with a commercially available insulation material for the purpose of thermal insulation of the building.
  • the transverse force element is made of a low thermal conductivity material, such as stainless steel, the creation of a cold bridge is effectively prevented by the thermal insulation of the building.
  • the building part 1 may in particular be a floor slab cast of in-situ concrete of a building.
  • the floor slab 1 At an outwardly facing end face 1 ', the floor slab 1 an elongated, perpendicular to the end face 1' in the floor slab 1 extending into recess 2.
  • the recess 2 is formed by serving as a recess body, closed end Hüllwellrohr 3, which was used in a formwork used for concreting and was completely embedded in the creation of the floor slab of liquid in-situ concrete in this.
  • the thus resulting recess 2 is enclosed on all sides by in-situ concrete perpendicular to its extension direction (ie in the radial direction).
  • the recess 2 has a terminal filling opening 4, which extends from the Hüllwellrohr 3 vertically up to the top of the floor slab 1.
  • Filling and venting openings 4, 5 are formed by corresponding sleeves, which were also set before concreting the floor slab 1 to the Hüllwellrohr 3 and connected to this.
  • the recess 2 Due to the corrugation of Hüllwellrohrs 3, the recess 2 on undercuts, which ensure an intimate positive connection of a later to be filled filler with the floor 1.
  • the Hüllwellrohr 3 serving as a recess body is arranged in direct contact with or between rows of such reinforcing bars 6, so that a good power dissipation of shear forces, which later on in the Recess 2 cast transverse force element act on the reinforcement of the building part 1 is achieved.
  • FIG. 2 is shown as a transverse force element 7, a so-called shear force mandrel inserted into the recess 2 and is anchored by means of a filling compound 8 positively in this.
  • the transverse force mandrel 7 is designed as a rigid hollow profile and closed at the end in the illustrated embodiment.
  • a filling compound 8 is injected via the filling opening 4.
  • the recess 2 is previously closed by a corresponding shuttering on the end face 1 'about the transverse force mandrel 7.
  • various hardening or settable fillers such as grout or concrete, in particular a grout with a grain size up to 1 mm are suitable.
  • various cement adhesives, multi-component injection mortars, curable synthetic resins or the like are suitable.
  • the filling compound 8 can also flow into the hollow profile of the transverse force mandrel 7 and thus give it additional stability.
  • the Hüllwellrohr 3 remains as a lost shell in the floor slab 1.
  • the Hüllwellrohr 3 is formed from a thin-walled aluminum material, this by destruction, so for example, crushing or crumpling, to solve the surrounding in-situ concrete and to remove.
  • FIGS. 3 and 4 a second embodiment of an anchoring according to the invention is shown.
  • the same and equivalent parts are designated by the same reference numerals.
  • a so-called formwork sock 3 ' is used here as a recess body.
  • This formwork sock 3 ' is made of an elastomer such as silicone rubber and therefore can be elastically deformed.
  • the formwork sock 3 ' is hollow inside, wherein in the cavity a Supporting body 3 "is inserted so that the formwork sock 3 'can not collapse On its outer side, the formwork sock 3' has a structuring which forms undercuts in the later recess 2.
  • the formwork sock 3 ' is used before creating the floor slab 1 between the reinforcing bars 6 in a corresponding formwork for the floor slab, which is then filled with in-situ concrete. After solidification of the concrete, the formwork sock 3 'can be removed. The formwork sock 3 'can then be easily removed because the elastic material elongates under tensile force and thereby experiences a reduction in cross section. 5 can be formed directly on the formwork sock 3 'After removal of the formwork sock 3', the recess 2 remains as a negative, in which as in FIG. 4 shown the shear force mandrel 7 can be anchored. For this purpose, as in the first exemplary embodiment, a filling compound 8 is again injected through the filling opening 4 until it exits again to the ventilation opening 5.
  • the supporting body 3 "acts as a displacement body, while the elastic formwork stocking 3 'creates undercut areas in the later recess 2.
  • the dimensioning of the recess 2 in the exemplary embodiments shown is selected so that around the lateral force element 7 circumferentially about 2 cm cavity for backfilling with the filling compound 8 remain.
  • the cross section of the recess body 3, 3 ' is not necessarily circular, but may depending on the design of the transverse force element 7 also have other cross-sectional contours such as a rectangular.
  • an anchoring element may additionally be provided, for example in the form of a stirrup, which is embedded in the filling compound 8 as a back anchoring.
  • the anchoring of the transverse force mandrel 7 takes place in a floor 1 of a building.
  • an anchoring in a subsequently attached building part for example, the bottom plate of a balcony done.
  • transverse force mandrels as in the aforementioned EP 1 528 169 B1 each with a top plate by means of appropriate fastening anchors, such as dowels / screw, are attached to an existing building.
  • transverse force spikes can now be a balcony slab for a raised Anbaubalkon be performed, the transverse force dowels engage in corresponding end recesses 2 of the balcony slab and the remaining cavity of the recesses 2 then respectively in the manner described above by injection of a filling compound on the vertical filling 4 is filled.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Claims (8)

  1. Procédé d'ancrage d'un élément (7) soumis à des forces transversales, conçu pour relier des parties de bâtiment à une partie de bâtiment (1) devant être érigée en béton, sachant
    qu'un évidement (2) pour l'essentiel horizontal, muni de zones en contre-dépouille et confiné de toutes parts perpendiculairement à la direction de son étendue, est prévu dans la partie de bâtiment (1), au stade de l'érection de ladite partie de bâtiment (1), du fait qu'un corps correspondant (3, 3') de création d'un vide est disposé dans un coffrage dédié à ladite partie de bâtiment (1),
    sachant que ledit évidement (2) est pourvu d'au moins deux orifices (4, 5) d'emplissage et de ventilation substantiellement verticaux, situés à distance l'un de l'autre,
    et sachant que ledit élément (7), soumis à des forces transversales, est inséré dans ledit évidement (2) à l'issue de l'érection de ladite partie de bâtiment (1), ledit évidement (2) étant comblé par une masse de scellement par l'intermédiaire d'au moins l'un desdits orifices (4, 5) d'emplissage et de ventilation,
    caractérisé par le fait que,
    parmi les orifices d'emplissage et de ventilation au nombre minimal de deux, un premier orifice (4) est pratiqué dans une région extrême de l'évidement (2) et, au sein desdits orifices d'emplissage et de ventilation au nombre minimal de deux, un second orifice (5) est ménagé dans une région antérieure dudit évidement (2) ;
    et que la cavité qui subsiste dans ledit évidement (2), autour dudit élément (7) soumis à des forces transversales, est intégralement comblée par la masse de scellement.
  2. Procédé selon la revendication 1, dans lequel, au stade de l'érection de la partie de bâtiment (1), les orifices (4, 5) d'emplissage et de ventilation, au nombre minimal de deux, sont façonnés par implantation, sur la pièce (3) de création d'un vide, de douilles ou de gaines souples substantiellement verticales.
  3. Procédé selon la revendication 1, dans lequel les orifices (4, 5) d'emplissage et de ventilation, au nombre minimal de deux, sont pratiqués sous la forme de perçages à l'issue de l'érection de la partie de bâtiment (1).
  4. Procédé selon l'une des revendications 1 à 3, dans lequel le corps (3) de création d'un vide est réalisé sous la forme d'un corps creux, en particulier d'un tube à enveloppe annelée demeurant dans la partie de bâtiment (1), en tant que coffrage perdu.
  5. Procédé selon l'une des revendications 1 à 3, dans lequel le corps (3, 3') de création d'un vide est enlevé à l'issue de l'érection de la partie de bâtiment (1), par destruction ou par déformation réversible.
  6. Procédé selon l'une des revendications 1 à 5, dans lequel l'élément (7), soumis à des forces transversales, est réalisé sous la forme d'un profilé creux préférentiellement ouvert aux extrémités.
  7. Procédé selon l'une des revendications 1 à 6, dans lequel l'élément (7), soumis à des forces transversales, est doté d'une platine d'appui jusqu'au niveau de laquelle il est emboîté dans l'évidement (2), de telle sorte que ladite platine d'appui soit en applique contre la partie de bâtiment (1), et obture frontalement ledit évidement (2).
  8. Procédé selon l'une des revendications 1 à 7, dans lequel l'élément (7), soumis à des forces transversales, présente un élément postérieur d'ancrage, de préférence un étrier.
EP14190142.1A 2013-10-25 2014-10-23 Procédé d'ancrage d'un élément de force transversale sur un élément de construction Active EP2865821B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310111779 DE102013111779A1 (de) 2013-10-25 2013-10-25 Verfahren zum Verankern eines Querkraftbewehrungselements an einem Gebäudeteil

Publications (2)

Publication Number Publication Date
EP2865821A1 EP2865821A1 (fr) 2015-04-29
EP2865821B1 true EP2865821B1 (fr) 2017-03-01

Family

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EP14190142.1A Active EP2865821B1 (fr) 2013-10-25 2014-10-23 Procédé d'ancrage d'un élément de force transversale sur un élément de construction

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EP (1) EP2865821B1 (fr)
DE (1) DE102013111779A1 (fr)
DK (1) DK2865821T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210025157A1 (en) * 2018-03-31 2021-01-28 Precast India Infrastructures Pvt. Ltd. Precast structural element and method for connecting the precast structural element to each other

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4017032A1 (de) * 1990-05-26 1991-11-28 Karl Eischeid Einrichtung zum befestigen einer ankerstange in einem bohrloch
US5366672A (en) * 1993-03-18 1994-11-22 Erico International Corporation Method of forming concrete structures with a grout splice sleeve which has a threaded connection to a reinforcing bar
CH685951A5 (fr) * 1993-03-24 1995-11-15 Ferwood S A Procede de fabrication d'une preparation de resine thermodurcissable destinee notamment a une application dans la realisation de constructions en bois.
JP3272840B2 (ja) * 1993-10-30 2002-04-08 株式会社豊夢 接合具、接合具ユニット及びそれを連結させた接合連結具
DE4409477A1 (de) * 1994-03-19 1995-09-21 Schoeck Bauteile Gmbh Trittschalldämmendes Auflagerelement
FR2768449A1 (fr) * 1997-09-15 1999-03-19 Paul Gauthier Poutre en bois a joint de transport
NL1020949C2 (nl) 2002-06-27 2004-01-16 Connector Vinkeveen B V Werkwijze voor het vervaardigen van een holte in een betonnen deel alsmede betonnen deel voorzien van een wapening.
DE20316774U1 (de) 2003-10-30 2004-02-12 Schöck Entwicklungsgesellschaft mbH Bauelement zur insbesondere nachträglichen beabstandeten Befestigung von Bauteilen an Gebäudeteilen
GB0717254D0 (en) * 2007-09-05 2007-10-17 Ancon Ltd Sheer connector
DE102008041928A1 (de) * 2008-09-09 2010-03-11 Martin Pschierer Anker zur Injektionsbefestigung
DE102010027661B4 (de) 2010-07-19 2012-08-02 Schöck Bauteile GmbH Schalungsvorrichtung und Verfahren zum Schaffen einer Aussparung beim Gießen eines Gebäudebauteils
DE102012103546A1 (de) * 2012-04-23 2013-10-24 Johann Moissl Anker für Wände, zum Befestigen von abragenden Bauwerken wie Markisen

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Publication number Publication date
EP2865821A1 (fr) 2015-04-29
DK2865821T3 (en) 2017-04-10
DE102013111779A1 (de) 2015-04-30

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