EP3023555A1 - Dispositif de connexion de force transversale et son utilisation - Google Patents

Dispositif de connexion de force transversale et son utilisation Download PDF

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Publication number
EP3023555A1
EP3023555A1 EP15192911.4A EP15192911A EP3023555A1 EP 3023555 A1 EP3023555 A1 EP 3023555A1 EP 15192911 A EP15192911 A EP 15192911A EP 3023555 A1 EP3023555 A1 EP 3023555A1
Authority
EP
European Patent Office
Prior art keywords
element sleeve
section
transverse force
cross
inner cross
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
EP15192911.4A
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German (de)
English (en)
Other versions
EP3023555B1 (fr
Inventor
Harald Krüger
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.)
Pakon AG
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Pakon AG
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Publication date
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Publication of EP3023555A1 publication Critical patent/EP3023555A1/fr
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Publication of EP3023555B1 publication Critical patent/EP3023555B1/fr
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    • 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
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B2001/8254—Soundproof supporting of building elements, e.g. stairs, floor slabs or beams, on a structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
    • E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
    • E04F2011/021—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass
    • E04F2011/0212—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass mainly of concrete

Definitions

  • the invention relates to a device for transverse force connection of a plate-shaped component made of reinforced concrete with a second component, comprising an element sleeve and a transverse force mandrel, wherein the element sleeve is formed for flush mounting in the concrete of the plate-shaped member and consists of a pressure-resistant material, and wherein the transverse force mandrel from the outside into the element sleeve is inserted.
  • the plate-shaped component made of reinforced concrete may in particular be a pedestal or a flight of stairs and the second component may be a supporting component such as a staircase wall.
  • the inventive device are also used on exterior building walls for arcades and balconies as a loggia. It could with the inventive device, two plate-shaped components made of reinforced concrete as two ceilings are connected to each other, for example, as an expansion joint connection.
  • the invention also relates to uses of such a device.
  • Devices for transverse force connection of this type are known and are used in particular for supporting plate-shaped components such as pedestals or staircases in supporting components such as a staircase wall.
  • the transverse force caused by the weight of the plate-shaped component is thereby transferred into the supporting component by the transverse force mandrel inserted into the element sleeve with one end.
  • On the side of the supporting component is often a box made of a resilient material in which the shear force mandrel is superimposed, whereby a footfall sound decoupling of the plate-shaped member is achieved with respect to the supporting member.
  • the transverse force mandrel is, for example, a square tube made of stainless steel.
  • the transverse force mandrel comprises a plurality of tubular partial transverse force mandrels which can be inserted next to one another into the element sleeve.
  • the lateral force mandrel in side correct installation of the element sleeve under the action of the transverse force in the region of the outer portion of the sleeve element and thus slightly deflect in the region near the edge of the plate-shaped component, without this causing the mentioned tensile stresses.
  • At least the tensile stresses can be reduced by the measure according to the invention to such an extent that the formation of cracks remains within the range accepted for serviceability.
  • the bending of the shear force mandrel is firstly lower and second less critical, because there more "material” counteracts the tensile forces that occur.
  • the inner cross section of the element sleeve could be extended along its outer portion instead of only one side, even after several, in particular opposite or in all directions towards its inner cross section along its inner portion.
  • the advantages associated with the invention can also be used in plate-shaped components that are subject to load direction changes.
  • installation errors can thereby be reduced or even avoided by installation which is oriented incorrectly with respect to the direction of the expected transverse force.
  • the transverse force mandrel can be solid or tubular and, in cross section, in particular rectangular / square or oval / round.
  • a cross-sectionally oval or round element sleeve can be widened in its outer portion, for example, funnel-shaped in all directions.
  • the shear force mandrel comprises a plurality of tubular partial transverse force mandrels which can be inserted side by side into the element sleeve, a more favorable load distribution results in the plate-shaped component and thus a higher serviceability, even if the partial transverse force mandrels each have a smaller wall thickness than with a single transverse mandrel same outer contour is in use.
  • the inner cross section of the element sleeve along its outer portion relative to the inner cross section along its inner portion can be extended with the same outer cross section by reducing a wall thickness.
  • the inner cross section of the element sleeve can be reduced along its inner portion relative to the inner cross section along its outer portion on the other hand, or additionally by at least one insert of pressure-resistant material.
  • Another possibility of expanding the inner cross section of the element sleeve along its outer portion relative to the inner cross section along its inner portion can be achieved with the same wall thickness by a deflection and / or by a displacement of a sleeve wall.
  • the inner cross-section of the element sleeve should be at the end of its outer portion after the mentioned side by 1 - 3 mm, preferably by about 2 mm, further dimensioned as the inner cross section along its inner portion.
  • the element sleeve can be provided with mounting surfaces for attachment to a formwork. This can be done by sliding a cuff provided with such mounting surfaces or by attaching angles.
  • the element sleeve and the partial transverse force mandrels each have a rectangular cross section.
  • the element sleeve could also have an oval cross-section.
  • two of the partial shear force dowels should have a D-shaped cross section.
  • a single transverse force mandrel of rectangular cross-section with external dimensions of 60 mm x 60 mm or 40 mm x 60 mm typically has a wall thickness of at least 4 mm, it is sufficient for the partial transverse force mandrels of rectangular cross section with external dimensions of 60 mm x 30 mm or of 20 mm x 30 mm a wall thickness of 2.5 - 3.5 mm, in particular of about 3 mm.
  • the inventive device can be provided to reinforce it in a contact-fit with the element sleeve on said side to which its inner cross-section along the outer portion is extended, nor a Traverse a back-up reinforcement in the form of a load portal.
  • this reduces the deflection of the one or more transverse mandrels, forces can still be introduced into the concrete of the plate-shaped component in its upper area near the edge via the crossbar.
  • it is within the scope of the invention further provided to provide the traverse on its side remote from the element sleeve side with a padding.
  • Another object of the invention is to provide uses of the device according to the invention.
  • an inventive element sleeve is installed with its side facing the male transverse force facing into the plate-shaped component.
  • the length of its outer portion is measured according to the thickness of the edge concrete cover of the reinforcement of the component.
  • Fig. 1 shows a transverse force connection between a plate-shaped member 10 and a supporting member 20 using an element sleeve 30 with Reckeckigem cross-section according to the prior art, a transverse force mandrel 40 in the form of a fitting into the element sleeve 30 with an end portion engaging square tube.
  • the component 10 could be a staircase or a reinforced concrete platform.
  • a bow-shaped reinforcing bar of the reinforcement is denoted by 11.
  • the component 20 could be a masonry or also concreted stairwell wall.
  • the element sleeve 30 is made of a pressure-resistant plastic material and is embedded in the concrete of the component 10 flush with the component 20 opposite. A pushed onto the element sleeve 30 cuff 31 with a frontally encircling mounting surface 32 was used in the manufacture of the component 10 for their attachment to the formwork.
  • the lateral force connection according to Fig. 1 is designed for impact sound decoupling of the two components 10 and 20.
  • a so-called impact sound box 50 made of a soft-elastic, sound-absorbing material is embedded, in which the transverse force mandrel 40 engages with its other end portion.
  • the component 10 could be connected in the same way at other locations with correspondingly formed transverse force connections to the component 20 or other supporting components such as other adjacent stairwell walls.
  • an insulating material (not shown) may be present.
  • the impact sound box 50 also has heat-insulating properties, which is advantageous when the component 10 is a cold exterior component and the component 20 is a warm interior component. If no footfall sound insulation is required, an element sleeve as in component 10 could likewise be used in component 20.
  • the component 10 With its weight, the component 10 causes a transverse force Q, which is transmitted to the component 20 via the transverse force mandrels 40. Under the effect of the transverse force Q, cracking in the concrete can occur in the component 10, in particular above the element sleeve 30, as a result of a deflection of the transverse force mandrel 40, as shown in FIG Fig. 2 is indicated.
  • One of the cracks is in Fig. 1 and Fig. 2 each indicated at 12.
  • Moisture could enter the component 10 and cause corrosion of the reinforcement 11 due to the cracks. Nevertheless, such cracks are tolerated if their width does not exceed a certain amount.
  • the limits for the serviceability of the concrete component 10 are 0.3 mm in the outside area and 0.4 mm in the inside area.
  • the tendency for cracking depends, among other things, on the weight of the component 10 and the strength of the reinforcement 11. Increasing the reinforcement, the weight increases, so that may not be gained much. A reinforcement of the reinforcement is also associated with more costs. On the other hand, the weight could be achieved by reducing the component thickness d1, but this is at the expense of the serviceability of the component 10 and, moreover, favors the formation of cracks.
  • the invention counteracts the formation of cracks by dimensioning the inner cross section of the element sleeve 30 along an outer portion a to one side further than the inner cross section along its complementary inner portion b. When installed, this extension is towards side, from which the lateral force Q acts, mostly and in Fig. 3 with it upwards.
  • Fig. 3 the cross-sectional widening in section a is achieved by a reduction of the wall thickness of the upper wall of the element sleeve in the form of a chamfer 33.
  • this is in Fig. 4 clearly visible. Due to the cross-sectional widening, the transverse force mandrel 40 in the element sleeve 30 can bend somewhat upward, as indicated by dashed lines, without exerting pressure on the concrete material lying in the section a. The tendency for cracking in this area is thereby at least significantly reduced.
  • the length of the outer portion a is dimensioned approximately corresponding to the thickness d4 of the front concrete cover of the reinforcement 11 of the component 10, which generally corresponds to the preferred design of this length.
  • the cross-sectional widening need not be increasingly formed from the inside to the outside.
  • a tiered extension would also be possible.
  • a stepped expansion results, for example, by an insert 34 made of pressure-resistant material such as this Fig. 5 shows.
  • the insert 34 is designed in the form of a concentric to the element sleeve 30 and the transverse mandrel 40 concentric square tube, which in the element sleeve 30, apart from the longitudinal direction perhaps apart, does not need to be extra attached.
  • the cross-sectional constriction which is thus not only caused above but on all sides in the inner section, has the advantage that the element sleeve 30 can not be installed in the wrong direction by mistake. In the embodiment of Fig. 3 this could also be ensured by all-round chamfers, or at least on opposite sides.
  • the element sleeves 30 described so far, including the possibly existing collar 31 may consist of a pressure-resistant plastic material.
  • its width is about 60 mm
  • its height is about 40 mm
  • its length is about 200 mm.
  • a use lying on edge would also be possible.
  • Along its inner portion b is their wall thickness d2 on all sides, for example, about 4 mm.
  • this wall thickness is reduced at least on one side by 1 to 3 mm, preferably by approximately 2 mm. Accordingly, the remaining wall thickness d2 'at a bevel on the end face of the element sleeve 30 would be only 1 - 3 mm.
  • the 6 and 7 show an embodiment in which the element sleeve 30 has a square cross-section of, for example, 60 mm x 60 mm. Their length is eg 250 mm. They are made of a stainless steel sheet with a wall thickness d2 of only about 2 mm. Since a reduction of this small wall thickness is not well possible, at least one wall in the outer portion a at the same wall thickness as in the inner portion is extended by a deflection 35. At the back is the element sleeve of Fig. 6 closed with a plastic cap 36. Like this Fig. 7 shows, laterally on the element sleeve 30 mounting surfaces in the form of welding technology adhered angles 37 for attachment to a formwork available.
  • FIGS. 8 and 9 show device according to the invention with an element sleeve 30 according to Fig. 3 and a transverse force mandrel 40 installed in a plate-shaped component 10, wherein the reinforcement of the component 10 has a contact with the element sleeve 30 on its upper wall cross-member 13 a back-up reinforcement.
  • the traverse 13 is a solid square piece of metal, which is welded at its ends with upwardly bent end portions of reinforcing bars 14, which extend, moreover, in the lower region of the plate-shaped member 10 parallel to the underside thereof.
  • the traverse 13 which is anchored downwards in this way and acts as a load portal, helps to limit the deflection of the transverse force mandrel 40 absolutely and essentially to the area of the concrete cover or the outer section a of the element sleeve 30 under the effect of the transverse force Q. As far as it comes to deformations and the introduction of stresses in the concrete on the cross member 13 in the upper region of the plate-shaped member 10, these can be reduced by attaching a padding 15 on the cross member 13. The padding 15 absorbs the deformations, so that no pressure can build on the overlying concrete material.
  • load portals as shown with a Trage Padded Traverse 13 can be provided on both sides above and below the element sleeve 30.
  • an extension of the element sleeve 30 should also be present along its outer portion a, both above and below.
  • Fig. 10 shows a variant of the invention, in which instead of only one transverse force mandrel 40, as at least in the Figures 2 . 7 and 9 the case is, two tubular partial transverse force mandrels 41 and 42 are inserted side by side in an element sleeve 30.
  • Both the element sleeve 30 and the two partial transverse force mandrels 41 and 42 have a rectangular shape and are adapted to each other so that the partial transverse force mandrels 41 and 42 are in planar contact with each other and with the inner wall of the element sleeve 30.
  • the latter applies at least to the inner portion of the element sleeve 30, since it is again provided here in its outer portion with a certain cross-sectional widening by a chamfer 33. In the context of the present variant, however, a cross-sectional expansion could also be dispensed with.
  • the partial transverse force mandrels 41, 42 need not be connected to each other.
  • Fig. 11 shows as a further possibility an oval element sleeve 30 with two D-shaped partial transverse force mandrels 41 and 42 inserted therein. Between these, at least one further, approximately rectangular partial transverse force mandrel could be inserted.
  • the oval shape encloses the circular shape as a special case.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP15192911.4A 2014-11-21 2015-11-04 Dispositif de connexion de force transversale et son utilisation Active EP3023555B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01796/14A CH710401A2 (de) 2014-11-21 2014-11-21 Vorrichtung zur Querkraftverbindung und Verwendungen davon.

Publications (2)

Publication Number Publication Date
EP3023555A1 true EP3023555A1 (fr) 2016-05-25
EP3023555B1 EP3023555B1 (fr) 2019-09-04

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EP15192911.4A Active EP3023555B1 (fr) 2014-11-21 2015-11-04 Dispositif de connexion de force transversale et son utilisation

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CH (1) CH710401A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT519876B1 (de) * 2017-09-20 2018-11-15 Alfred Redlberger Vorrichtung zum kraftübertragenden Verbinden zweier Bauteile
WO2021156226A1 (fr) * 2020-02-03 2021-08-12 Svein Berg Holding As Raccord de construction comprenant un premier élément de construction et un second élément de construction

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020005274A1 (de) 2020-08-28 2022-03-03 H-Bau Technik Gmbh Vorrichtung zur Querkraftverbindung eines ersten Bauteils aus Beton mit einem zweiten Bauteil

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5216862A (en) * 1988-10-27 1993-06-08 Shaw Ronald D Concrete dowel placement sleeves
DE19602306A1 (de) * 1996-01-23 1997-07-24 Mea Meisinger Stahl & Kunststo Tragvorrichtung
EP1477620A1 (fr) * 2003-05-12 2004-11-17 Ankaba Ankertechnik und Bauhandel AG Dispositif d'ancrage pour éléments de construction en béton et son utilisation
WO2013040640A1 (fr) * 2011-09-21 2013-03-28 Ezi Bolt Systems Pty Ltd Ensemble ancre
US20130115000A1 (en) * 2011-11-08 2013-05-09 The Fort Miller Co., Inc. Removable dowel connector and system and method of installing and removing the same
EP2754766A1 (fr) * 2013-01-14 2014-07-16 SCHÖCK BAUTEILE GmbH Dispositif permettant de relier, avec transmission de forces, une première partie porteuse d'un bâtiment à une seconde partie portée du bâtiment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19806164A1 (de) * 1998-02-14 1999-08-19 Schoeck Bauteile Gmbh Trittschalldämmendes Auflagerelement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5216862A (en) * 1988-10-27 1993-06-08 Shaw Ronald D Concrete dowel placement sleeves
DE19602306A1 (de) * 1996-01-23 1997-07-24 Mea Meisinger Stahl & Kunststo Tragvorrichtung
EP1477620A1 (fr) * 2003-05-12 2004-11-17 Ankaba Ankertechnik und Bauhandel AG Dispositif d'ancrage pour éléments de construction en béton et son utilisation
WO2013040640A1 (fr) * 2011-09-21 2013-03-28 Ezi Bolt Systems Pty Ltd Ensemble ancre
US20130115000A1 (en) * 2011-11-08 2013-05-09 The Fort Miller Co., Inc. Removable dowel connector and system and method of installing and removing the same
EP2754766A1 (fr) * 2013-01-14 2014-07-16 SCHÖCK BAUTEILE GmbH Dispositif permettant de relier, avec transmission de forces, une première partie porteuse d'un bâtiment à une seconde partie portée du bâtiment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT519876B1 (de) * 2017-09-20 2018-11-15 Alfred Redlberger Vorrichtung zum kraftübertragenden Verbinden zweier Bauteile
WO2021156226A1 (fr) * 2020-02-03 2021-08-12 Svein Berg Holding As Raccord de construction comprenant un premier élément de construction et un second élément de construction
CN115003892A (zh) * 2020-02-03 2022-09-02 斯文伯格控股公司 包括第一建筑元件和第二建筑元件的建筑连接件
US12037784B2 (en) 2020-02-03 2024-07-16 Svein Berg Holding As Building connection comprising a first building element and a second building element

Also Published As

Publication number Publication date
EP3023555B1 (fr) 2019-09-04
CH710401A2 (de) 2016-05-31

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