EP0119652B1 - Elément de liaison et de répartition de pression pour éléments en béton - Google Patents

Elément de liaison et de répartition de pression pour éléments en béton Download PDF

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Publication number
EP0119652B1
EP0119652B1 EP84200350A EP84200350A EP0119652B1 EP 0119652 B1 EP0119652 B1 EP 0119652B1 EP 84200350 A EP84200350 A EP 84200350A EP 84200350 A EP84200350 A EP 84200350A EP 0119652 B1 EP0119652 B1 EP 0119652B1
Authority
EP
European Patent Office
Prior art keywords
socket
gudgeon
sleeve
concreted
element according
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.)
Expired
Application number
EP84200350A
Other languages
German (de)
English (en)
Other versions
EP0119652A2 (fr
EP0119652A3 (en
Inventor
Heinz Witschi
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.)
EGCO AG
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT84200350T priority Critical patent/ATE20765T1/de
Publication of EP0119652A2 publication Critical patent/EP0119652A2/fr
Publication of EP0119652A3 publication Critical patent/EP0119652A3/de
Application granted granted Critical
Publication of EP0119652B1 publication Critical patent/EP0119652B1/fr
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/16—Arrangement or construction of joints in foundation structures
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
    • E01C11/14—Dowel assembly ; Design or construction of reinforcements in the area of joints
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/18—Bulkheads or similar walls made solely of concrete in situ
    • 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 invention is based on a connecting and pressure distribution element for two components to be concreted in succession in the same plane, which are to be separated from one another by a joint, with a sleeve and a mandrel that can be slid into the opening of the sleeve, the sleeve for fastening an end formwork and for insertion into the component to be concreted first and the mandrel inserted into the sleeve hole for insertion into the component to be concreted later.
  • connection and pressure distribution elements are used to connect building or civil engineering components, such as roof panels, floor panels, ceilings, walls, supports, retaining walls, highways, which components are to be fixed in exactly the same plane.
  • the components connected by such an element are exposed to the influence of different temperatures, so that they expand and contract in the direction of the joint.
  • the sleeve is provided with a reinforcement and a mounting plate.
  • the mandrel that fits into the sleeve is also reinforced.
  • the reinforcements which are frustoconical or cylindrical on the outside, consist of an epoxy resin.
  • the fastening plate has four holes through which the fastening plate is fastened during installation to an end formwork of the component to be concreted first.
  • the mandrel is slidably inserted in the opening of the sleeve. The center of gravity of the gravitational forces between the mandrel and the sleeve is precisely placed on the joint between the component to be concreted first and the component to be subsequently concreted.
  • the reinforcements achieve a larger surface area than that of the sections of the mandrel or sleeve covered by the reinforcements. Thanks to their larger surfaces, the reinforcements distribute the forces across a larger area in the concrete. However, the larger area created in this way is still unable to fully absorb the considerable gravitational forces, so that in particular the mandrels which transmit the forces have to be made of stainless steel. The number of elements cannot be reduced to a level that would be desirable for economic reasons.
  • connection and load transmission element for concrete sections of a web separated by a joint.
  • the connection and load transmission element consists of two DÜbeJ publishede, each of which is embedded in one of the construction side.
  • An axially extending rod is inserted into the two dowel pieces.
  • the rod can be integral with one of the dowel pieces.
  • the two dowel pieces are provided on the side facing the joint with an end flange and a support flange which is integral with it and runs at right angles to it.
  • connection and pressure distribution element which is equipped in such a way that it has a much larger surface area than the known elements.
  • the better distribution of the forces should also reduce the number of such elements compared to the prior art.
  • the production costs of such an element should also be significantly lower than those of the known elements.
  • connection and pressure distribution element according to the preamble of claim 1 by the features of the characterizing part of claim 1.
  • Each bracket is advantageously designed in a spiral shape, the outer end part of the spiral forming a rectangle and the inner end part of the spiral being welded onto the sleeve or the mandrel.
  • a further embodiment can consist in that each bracket in the form of a rectangle is inserted in the arms of an end-like holding device with a hub, which holding device is firmly pressed onto the sleeve or the mandrel.
  • the element shown in the figures serves to connect two components 10, 11 to be concreted one after the other in the same plane, which are to be separated from one another by a joint 19, as is the case in particular in the case of motorways or airfield railways.
  • the elements embedded in the components enable the components that are exposed to different temperatures to be expanded and contracted freely. Furthermore, the element serves to distribute the forces occurring over a larger area in the concrete.
  • the connecting and pressure distribution element consists of a sleeve 1 and a mandrel 2 which can be slid into the opening 9 of the sleeve 1.
  • the sleeve 1 is for fastening to an end formwork 18 for the component 10 to be concreted first and for admission into this component to be concreted first 10 determined.
  • the mandrel 2 inserted into the sleeve hole 9 is intended for insertion into the component 11 to be concreted later. Due to the unobstructed sliding movement of the mandrel 2 in the sleeve opening 9, the two concrete components 10, 11 can expand and contract easily after concreting.
  • each bracket 3 is spiral-shaped.
  • the outer end part 3b of the spiral forms a rectangle and the inner end part 3a of the spiral is welded onto the sleeve 1 or the mandrel 2.
  • the spiral bracket 3 is e.g. made of reinforcing steel with a diameter of 6 to 12 mm and can be quickly wound in an automatic machine in a spiral according to FIG. 1.
  • the outer end part 3b of the spiral is welded onto the overlapping middle part of the spiral.
  • bracket of a rectangular structure, which is arranged at a distance from the sleeve 1 or the mandrel 2 stationary.
  • the bracket can be quickly and precisely manufactured to the desired dimensions on the machine. About 500 pieces of such spiral stirrups can be produced per hour.
  • the rectangular shape of the bracket 3 is used so that the bracket 3 can be placed on the floor (e.g. lean concrete layer 20) on one of its long sides or on one of its shorter sides.
  • the distance between the sleeve 1 and the mandrel 2 from the ground is changed as desired.
  • at least two circular spacers 15 made of plastic are placed on the outer end part 3b of the spiral of the bracket 3 of the sleeve 1.
  • the spacers are available in different diameters on the market.
  • each bracket 3 ' which has the shape of a rectangle, is inserted into arms 4a of a star-like holding device 4 with a hub 4b made of plastic.
  • the reinforcement bracket 3 ' according to this embodiment differs from the reinforcement bracket 3 according to the embodiment according to FIGS. 1 to 3 in that it is not of a spiral configuration. It has the shape of a rectangle with its end parts partially overlapping. The end parts are welded to one another in this overlap region.
  • the arms 4a and the hub 4b of the holding device 4 are perforated in order to allow the penetration of the concrete mass through the holes 6 and thus to achieve a better adhesive connection.
  • the bracket 3 'in the form of a rectangle is inserted into recesses 14 in the arms 4a.
  • the holding device 4 is firmly placed on the sleeve 1 or the mandrel 2.
  • the arms 4a of the holding device 4 are each provided with a nail hole 8 in their end parts in order to enable the holding device 4 placed on the sleeve 1 to be nailed onto the front formwork 18. This embodiment is used for smaller dimensions of the element.
  • spacers 15 can be placed on the bracket 3 'of the sleeve 1 in order to be able to determine the height of the sleeve 1 from the floor or the formwork as desired.
  • the sleeve is slit on its end to be laid forehead formwork 18, whereby several tabs 5 are created.
  • the tabs 5 are provided with nail holes 8 in order to enable the tabs 5 to be nailed onto the end formwork 18 for the component 10 to be concreted first.
  • the mandrel 2 which is most heavily loaded by the forces occurring, is made of stainless steel in the known elements; This is also the reason to avoid corrosion. It is now proposed to produce the mandrel 2 from a core 12 made of structural steel, onto which a stainless steel jacket tube 13 is pressed. This measure results in considerable cost savings.
  • the diameter of the mandrel can vary from 16 to 40 mm.
  • the diameter of the mandrel 2 must correspond to the diameter of the opening 9 of the sleeve 1.
  • the sleeve is provided with a plastic cover 16 at the end adjacent the end formwork 18.
  • a plastic cap 17 is placed on the other end of the sleeve 1.
  • the end formwork is torn off and the plastic cover 16 is removed from the sleeve 1. Then the mandrel 2 is inserted into the opening 9 of the sleeve 1, the distance of the bracket 3, 3 'from the bracket of the sleeve 1 being at the desired distance and the joint 19 being filled with insulation material. After the second concrete component 11 has hardened, the connection is established.
  • connection and pressure distribution element described above is completely in one Factory made. At the construction site, it will only be adjusted in height and folded. The assembly is very simple. The brackets of the element lie like mandrels in their specified positions without any movement and the sleeve maintains its horizontal position at the desired height. The sleeve can no longer fall down during assembly of the heavy reinforcement. A better distribution of the pressure is achieved by the stirrup symmetrically arranged at a distance from the sleeve or the mandrel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Road Signs Or Road Markings (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Reinforcement Elements For Buildings (AREA)

Claims (6)

1. Elément de liaison et de distribution de pression, pour le bétonnage de deux pièces de construction (10, 11 ) situées dans le même plan, réalisées successivement et présentant entre elles un joint (19) de séparation, comprenant un manchon (1 ) et un mandrin (2) susceptible d'être engagé à coulissement dans l'âme (9) du manchon (1), et dont le manchon (1 ) est destiné à être fixé à une paroi de coffrage frontale (18) et noyé dans la pièce (10) dont le bétonnage se fait en premier lieu, le mandrin (2) étant engagé dans l'âme (9) du manchon (1) et destiné à être noyé dans la pièce (11) à bétonner ultérieurement,
caractérisé en ce qu'au moins deux étriers (3, 3') en fers d'armage fermés sur eux-mêmes sont disposés autour du manchon (1 ) de même qu'autour du mandrin (2), ces étriers s'étendant à distance du mandrin (2) ou du manchon (1 ) et étant reliés rigidement, directement ou indirectement avec la pièce qu'ils entourent.
2. Elément selon la revendication 1, caractérisé en ce que chaque étrier (3) a la forme d'unespirale, dont la spire extérieure (3b) est rectangulaire et la spire intérieure (3a) est soudée sur le manchon (1 ) ou sur le mandrin (2).
3. Elément selon la revendication 1, caractérisé en ce que chaque étrier (3') a la forme d'un rectangle et est engagé dans les bras (4a) d'un dispositif de retenue (4) en forme d'étoile ayant un moyeu (4b) chassé sur le manchon (1 ) ou sur le mandrin (2).
4. Elément selon la revendication 1, caractérisé en ce que des pattes de liaison (5) s'étendentà une extrémité du manchon (1 ), perpendiculairement à l'axe longitudinal (X) du manchon (1) et sont agencées de manière à pouvoir être clouées sur la paroi de coffrage frontale (18) de la pièce (10) à bétonner en premier lieu.
5. Elément selon la revendication 3, caractérisé en ce que les bras (4a) et le moyeu (4b) du dispositif de retenue (4) présentent des trous et en ce qu'un trou de clouage (8) est en outre prévu à l'extrémité de chacun des bras.
6. Elément selon la revendication 1, caractérisé en ce que le mandrin (2) se compose d'un noyau (12) en acier de construction et d'une enveloppe (13) en acier allié, l'enveloppe étant pressée rigidement sur le noyau.
EP84200350A 1983-03-16 1984-03-10 Elément de liaison et de répartition de pression pour éléments en béton Expired EP0119652B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84200350T ATE20765T1 (de) 1983-03-16 1984-03-10 Verbindungs- und druckverteilungselement fuer betonbauteile.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH145883 1983-03-16
CH1458/83 1983-03-16

Publications (3)

Publication Number Publication Date
EP0119652A2 EP0119652A2 (fr) 1984-09-26
EP0119652A3 EP0119652A3 (en) 1985-05-08
EP0119652B1 true EP0119652B1 (fr) 1986-07-16

Family

ID=4210936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84200350A Expired EP0119652B1 (fr) 1983-03-16 1984-03-10 Elément de liaison et de répartition de pression pour éléments en béton

Country Status (5)

Country Link
US (1) US4578916A (fr)
EP (1) EP0119652B1 (fr)
AT (1) ATE20765T1 (fr)
CA (1) CA1220046A (fr)
DE (1) DE3460289D1 (fr)

Families Citing this family (37)

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Publication number Priority date Publication date Assignee Title
CA1274703A (fr) * 1985-02-27 1990-10-02 Heinz Witschi Element de raccordement et de repartition des pressions pour armature de betonnage
ATE42593T1 (de) * 1985-03-12 1989-05-15 Egco Ag Element zur erstellung einer dehn- bzw. trennfuge in einer bodendeckenplatte.
US5005331A (en) * 1990-04-10 1991-04-09 Shaw Ronald D Concrete dowel placement sleeves
US5216862A (en) * 1988-10-27 1993-06-08 Shaw Ronald D Concrete dowel placement sleeves
US5134828A (en) * 1990-12-14 1992-08-04 High Industries, Inc. Connection for joining precast concrete panels
CH687262A5 (de) * 1993-10-14 1996-10-31 Anton H Erb In Beton eingiessbares Einzelteil einer Schubdornverbindungsanordnung.
US5487249A (en) * 1994-03-28 1996-01-30 Shaw; Ronald D. Dowel placement apparatus for monolithic concrete pour and method of use
AU729030B2 (en) * 1997-02-28 2001-01-25 Pecon Ag Method of producing a transverse force bolt and transverse force bolt produced by this method
DE59600321D1 (de) * 1995-09-29 1998-08-13 Pecon Ag Verfahren zur Herstellung eines Querkraftdornes und Querkraftdorn hergestellt nach diesem Verfahren
US5678952A (en) * 1995-11-16 1997-10-21 Shaw; Lee A. Concrete dowel placement apparatus
CH691066A5 (de) * 1996-06-19 2001-04-12 Pecon Ag Querkraftdornlagerung.
CH691269A5 (de) * 1996-07-08 2001-06-15 Pecon Ag Querkraftdorn.
CH692991A5 (de) * 1997-11-17 2003-01-15 Pecon Ag Querkraftdornlagerung.
US6171016B1 (en) * 1998-10-20 2001-01-09 Concrete Systems, Inc. Tubular reinforcing dowel system and method
FI110631B (fi) * 1998-10-20 2003-02-28 Teraespeikko Oy Menetelmä maanvaraisen betonilaattakentän valmistamiseksi ja maanvarainen betonilaattakenttä
USD419700S (en) * 1998-11-20 2000-01-25 Shaw Lee A Load transfer dowel holder
US6210070B1 (en) 1999-04-14 2001-04-03 Ron D. Shaw Concrete dowel slip tube with clip
US7441984B2 (en) * 2005-02-10 2008-10-28 Kramer Donald R Concrete slab dowel system and method for making and using same
US7201535B2 (en) 2005-02-10 2007-04-10 Kramer Donald R Concrete slab dowel system and method for making and using same
DE102005036881B4 (de) * 2005-08-02 2012-06-14 Peca Verbundtechnik Gmbh Vorrichtung zum Erstellen einer Dehnfuge
WO2007053907A1 (fr) * 2005-11-11 2007-05-18 Danley Construction Products Pty Ltd Ensemble joint
US20070134063A1 (en) * 2005-12-14 2007-06-14 Shaw And Sons, Inc. Dowel device with closed end speed cover
GB2450709A (en) * 2007-07-04 2009-01-07 Structural Systems Uk Ltd Fixing slabs with a dowel and sleeve arrangement
DE102009001749B4 (de) * 2009-03-23 2011-05-19 Hilti Aktiengesellschaft Anschlussvorrichtung und Verfahren zur Erstellung eines Anschlusses
US8291662B2 (en) 2010-01-06 2012-10-23 Tdj Masonry Inc. Continuous pour concrete slip dowel
IT1397529B1 (it) * 2010-01-20 2013-01-16 Lombarda Prefabbricati S P A Pannello prefabbricato a taglio termico, particolarmente per la realizzazione di facciate di costruzioni edili e simili.
DE102010017046A1 (de) 2010-05-21 2011-11-24 Max Frank Gmbh & Co Kg Vorrichtung zum Verbinden von zwei durch eine Fuge getrennte Bauteile und zur Aufnahme von zwischen den Bauteilen auftretenden Querkräften
US8496398B2 (en) * 2010-06-14 2013-07-30 Michael DiPietro Rebar sleeve unit
AR090164A1 (es) * 2012-02-27 2014-10-22 Hengelhoef Concrete Joints Mfg Nv Junta de expansion
US20150121797A1 (en) * 2013-11-06 2015-05-07 Chad Brown Concrete anchor
US20150197898A1 (en) 2014-01-15 2015-07-16 Shaw & Sons, Inc. Concrete dowel system
US9340969B1 (en) 2014-11-13 2016-05-17 Shaw & Sons, Inc. Crush zone dowel tube
US20190024367A1 (en) 2015-10-05 2019-01-24 Shaw & Sons, Inc. Concrete dowel placement system and method of making the same
US20170096810A1 (en) 2015-10-05 2017-04-06 Shaw & Sons, Inc. Concrete dowel placement system and method of making the same
US11220822B2 (en) 2016-07-15 2022-01-11 Conbar Systems Llc Reinforcing assemblies having downwardly-extending working members on structurally reinforcing bars for concrete slabs or other structures
US10119276B2 (en) 2016-07-15 2018-11-06 Richard P. Martter Reinforcing assemblies having downwardly-extending working members on structurally reinforcing bars for concrete slabs or other structures
US11578491B2 (en) 2020-02-07 2023-02-14 Shaw Craftsmen Concrete, Llc Topping slab installation methodology

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CH651090A5 (de) * 1980-01-04 1985-08-30 Ulisse Claudio Aschwanden Dorn und huelse zur verbindung von bauteilen des hoch- und tiefbaues.
DE3274271D1 (en) * 1981-02-23 1987-01-02 Ulisse C Aschwanden Dowel and sleeve for the absorption and transfer of a shearing force
US4522531A (en) * 1983-05-18 1985-06-11 Thomsen Bernard D Transverse joint cell for concrete structures

Also Published As

Publication number Publication date
DE3460289D1 (en) 1986-08-21
EP0119652A2 (fr) 1984-09-26
EP0119652A3 (en) 1985-05-08
US4578916A (en) 1986-04-01
CA1220046A (fr) 1987-04-07
ATE20765T1 (de) 1986-08-15

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