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WO2010075855A1 - Système de goujon pour construction en béton - Google Patents

Système de goujon pour construction en béton Download PDF

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Publication number
WO2010075855A1
WO2010075855A1 PCT/DE2009/075071 DE2009075071W WO2010075855A1 WO 2010075855 A1 WO2010075855 A1 WO 2010075855A1 DE 2009075071 W DE2009075071 W DE 2009075071W WO 2010075855 A1 WO2010075855 A1 WO 2010075855A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
mandrel
dome
foot
cover
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.)
Ceased
Application number
PCT/DE2009/075071
Other languages
German (de)
English (en)
Other versions
WO2010075855A4 (fr
Inventor
Simon Kropmeier
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.)
Individual
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
Publication of WO2010075855A1 publication Critical patent/WO2010075855A1/fr
Publication of WO2010075855A4 publication Critical patent/WO2010075855A4/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21—Connections specially adapted therefor
    • E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
    • 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
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
    • E04B1/043—Connections specially adapted therefor
    • 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 relates to a mandrel system for concrete construction.
  • Expansion joints in a concrete part are deliberately made joints that serve to break larger concrete surfaces to reduce the risk of cracking
  • Querkraftdorne prevent on the one hand a drop in a concrete part relative to the adjacent concrete part and take on the other by their movable mandrels on length expansions of the concrete parts.
  • Querkraftdorne are known from the prior art, which allow relative movements of building parts in only one direction, but also mandrels, which allow a relative movement in two directions.
  • the lateral force mandrels 1 which are anchored in a first part of the building and are generally cylindrical, are received by a concentric cylindrical sleeve 2 anchored in the second part of the building.
  • the reference numeral 4 holes are designated, which serve to attach the sleeve to the formwork by nails or screws.
  • the mandrel 1 can only move along the longitudinal axis of the cylindrical sleeve 2, whereby movements in only one direction (a-direction) are possible.
  • the cylindrical mandrel 1 is formed, for example, by a rectangular sleeve 3 taken, wherein the extension of the sleeve 3 in the c-direction substantially corresponds to the diameter of the dome 1.
  • the mandrel 1 can penetrate into the sleeve in the direction of its longitudinal axis (a-direction), but horizontal movements of the mandrel perpendicular to its longitudinal axis (b-direction) are also possible.
  • the mobility in the b direction is thus limited by the width of the sleeve cavity. It is known from the prior art as a condition for the width of the sleeve cavity that this should correspond to the mandrel diameter plus about 4 centimeters.
  • the mandrel In the c-direction, the mandrel does not move. In this direction, the mandrel transmits the transverse forces from one component to the other component in the final state. Dorn systems available on the market can not cover all areas. Therefore, other technical solutions are used.
  • Figure 3 shows a vertical section through a built in prefabricated building part
  • Figure 4 shows the same building part in a horizontal section.
  • cladding tubes 12 and in the finished part of the support bracket 13 mandrels 14 are installed in the factory.
  • a fork 15 is integrally formed on the Fertigteilabfang# 13.
  • the joist 11 After assembly of the beam 1 1, the cavity between mandrel 14 and cladding tube 12 with Grout 16 filled.
  • the joist 11 After hardening of the grouting mortar 16, the joist 11 is non-positively connected to the support bracket 13 through the mandrels 14.
  • a second precast unit 17 is placed on the support bracket 13 between the fork 15 and tilt bearing 18 between fork 15 and 17 strapped.
  • the precast unit 11 and the precast unit 17 trained as a trapezoidal sheet 10 ceiling is arranged. In the final state, the beam 17 may indeed move in the X direction, but not in the Y direction.
  • Fig. 5 which shows a ceiling plan view, the mandrel installation is shown. To see are the joint 5 and a series of cylindrical mandrels 1, cylindrical sleeves 2 and rectangular sleeves. 3
  • the mandrel axis and the sleeve axis must be aligned during installation of the dome in the construction state in an axis aligned. This can be achieved either by special aids or by a device for the Dornlagefix réelle in the construction state.
  • the use of tools for Dornlagefix réelle in the construction state is generally possible with short sleeves, but only in a very complicated way and with a high expenditure of time. For long sleeves, the Dornlagefix réelle with tools is not possible because the mandrel rotates during the concreting process and moves. An inaccurate position of the dome in the construction state leads to internal stresses and cracks in the connection components. - A -
  • An alternative to the tools to accurately fix the mandrel in the construction state represents a device for mandrel position fixation in the construction state.
  • Such a device saves time during mandrel installation and excludes unwanted internal stresses in the connection components.
  • a sliding sleeve for receiving a transverse force mandrel is known, which has a rectangular cross-section.
  • On the side walls of the sliding sleeve inwardly offset double walls are provided, wherein the cavities formed between the additional walls and the side walls of the sliding sleeve serve as deformable crumple zones.
  • These types of connections with shear force mandrels are commercially available only in standard lengths of about 16 cm to 20 cm sleeve length.
  • the present invention provides a mandrel system for forming a frictional connection in the expansion joint area between a first concrete component and a second concrete component.
  • the second concrete component is provided with a mandrel and a sleeve mounted substantially concentrically on the mandrel.
  • the first concrete component has a cladding tube for receiving sleeve and mandrel.
  • the sleeve has a sleeve cover and a sleeve foot, wherein sleeve cover and / or sleeve foot comprise a device for fixing the position of the dome.
  • the sleeve is a standard sleeve, which is cut to size at the construction site.
  • a device for fixing the position of the dome during construction is provided in the sleeve base and / or in the sleeve cover. It can have either sleeve foot and sleeve cover at the same time or only the sleeve foot or only the sleeve cover a device for the Dornlagefix ist in the construction state.
  • a mandrel system consisting of cladding tube, sleeve and mandrel.
  • the mandrel system establishes a connection between a first component and a further component, it being possible for an expansion joint to be arranged between the two components.
  • Both components may be prefabricated reinforced concrete components or concrete components manufactured from in situ concrete.
  • the first component as a prefabricated reinforced concrete component or in-situ concrete method provided for receiving sleeve and mandrel cladding is accurately embedded in concrete.
  • the mandrel is accurately embedded in concrete.
  • the sleeve foot, the sleeve and the sleeve cover are then raised essentially concentrically onto the mandrel.
  • Sleeve foot and sleeve cover have the necessary openings.
  • the mandrel system according to the invention is simple and inexpensive to assemble and universally applicable.
  • the cladding tube and the sleeve are produced cost-saving in running meters and tailored to the required construction height on site.
  • the sleeve foot and / or sleeve cover have a device for fixing the position of the dome.
  • a device for fixing the position of the dome brings a fixation of the position of the dome during the concreting process or during the assembly of the components with it, whereby an exact concentric alignment of sleeve and mandrel in the construction state is made possible.
  • the concentric alignment of sleeve and mandrel in the construction state closes internal stresses and cracks in the finished concrete components out.
  • the fixation of the dome in the construction state is therefore not as known from the prior art by nailing or screwing the sleeve to the formwork, by any other aids or equipped with a device for fixing the position of the dome sleeve, but by a in the sleeve foot and / or provided in the sleeve cover device for fixing the position of the cathedral.
  • the sleeve itself is a standard sleeve without a device for fixing the position of the dome and is cut to the required length on site.
  • the mandrel system according to the invention is a universally usable mandrel system that can be used in all construction areas and for all load levels at which the mandrel can move in the expansion joint area in two directions.
  • the sleeve foot or the sleeve cover has a device for fixing the position of the dome.
  • a standard component can be used either as a sleeve base or as a sleeve cover, with which a cost saving is associated.
  • the first and / or second component is reinforced concrete prefabricated components.
  • the mandrel system according to the invention can be used with any type of combination of prefabricated reinforced concrete components and concrete components manufactured from in-situ concrete, the insert is preferably used to connect two reinforced concrete prefabricated components. Likewise, however, the use is also possible, for example, when placing a prefabricated wall on a foundation. After the concreting process or after the assembly of the two concrete components are sleeve and mandrel inside the cladding tube. The resulting cavity between cladding tube and sleeve is preferably filled with grout. By filling with grout, the sleeve is fixed within the cladding tube.
  • the sleeve in addition to the device provided in the sleeve foot and / or sleeve cover for fixing the position of the dome, also has a device for fixing the position of the dome.
  • a device for fixing the position of the dome Particularly preferably, elevations such as knobs or grooves are provided for fixing the position of the dome on the inner surface of the sleeve. The mandrel is held in the clamping seat by the elevations exactly in its predetermined position.
  • the sleeve is an elongated cuboidal sleeve having substantially parallel to each other front and rear walls and substantially parallel to each other extending side walls, wherein the side walls have a smaller area than the front and rear walls.
  • the sleeve In a section perpendicular to its longitudinal axis, the sleeve has a rectangular shape.
  • the rectangular cross-section of the sleeve advantageously allows movement of the mandrel in a direction perpendicular to the longitudinal axis of the sleeve.
  • the sleeve for fixing the position of the dome is divided into three, extending substantially in the direction of the longitudinal axis of the sleeve extending chambers, wherein the central chamber is provided for receiving the dome.
  • the subdivision of the sleeve in essentially mutually parallel chambers provides an additional means for an exact fixation of the dome relative to the sleeve during assembly or concreting of the components.
  • the sleeve comprises a sleeve cover and a sleeve foot.
  • Sleeve cover and / or sleeve foot can either be molded onto the sleeve or sleeve cover and / or sleeve foot and sleeve are formed as separate parts.
  • elevations such as knobs or grooves are preferred intended.
  • the mandrel is held in the clamping seat by the elevations exactly in its predetermined position.
  • the sleeve cover for fixing the position of the dome in three is divided substantially in the direction of the longitudinal axis of the sleeve extending chambers, wherein the central chamber is provided for receiving the dome.
  • Sleeve can be used, which need not have any special devices or chambers for fixing the position of the dome.
  • the sleeve foot for fixing the position of the dome is divided into three, extending substantially in the direction of the longitudinal axis of the sleeve extending chambers, wherein the central chamber is provided for receiving the dome.
  • the device for fixing the position of the dome is designed so that it is destroyed by occurring after assembly or after the concreting relative movements between the first concrete component and the second concrete component.
  • the two concrete components can then move freely in two directions.
  • the destruction of the device for fixing the position of the dome in particular the mandrel and therefore also the first concrete component can move substantially unhindered in the horizontal direction over a length corresponding to the inner width of the sleeve.
  • sleeve cover, sleeve foot and / or sleeve are made of metal, plastic or metal and plastic. In any combination so sleeve cover, sleeve foot and sleeve can be made of metal or plastic.
  • the sleeve may be made of metal, the sleeve cover partly made of metal and partly of plastic and the sleeve foot made of plastic. But it can also be made of metal all parts and only provided in the sleeve cover and / or sleeve foot device for fixing the position of the dome may be made of plastic.
  • Figure 1 shows a cylindrical mandrel with a cylindrical sleeve (prior art).
  • Fig. 2 is a cylindrical mandrel with a rectangular sleeve (prior art);
  • FIG 3 shows a vertical section through a built-in prefabricated building part (prior art).
  • Fig. 4 shows the building part according to Figure 3 in a horizontal section (prior art); 5 is a plan view of a ceiling in the expansion joint area with mandrel systems according to Figure 1 and Figure 2 (prior art).
  • FIG. 6 shows a vertical section through a prefabricated building part with a mandrel system according to the present invention.
  • FIG. 7 shows the building part according to FIG. 6 in a horizontal section
  • FIG. 8A shows a horizontal section through a sleeve foot or a sleeve cover with three chambers
  • FIG. 9A shows a vertical section through a sleeve, through the sleeve cover of the sleeve and through the sleeve foot of the sleeve;
  • FIG. 9B shows the sleeve cover of the sleeve or the sleeve foot of the sleeve according to FIG. 9A in a section perpendicular to the sectional plane of FIG. 9A.
  • FIG. 6 shows a vertical section through a prefabricated building part of a building.
  • FIG. 7 shows the same building part in a horizontal section.
  • cladding tubes 12 are incorporated in the precast reinforced concrete substructure 11 during manufacture and mandrels 14 in the precast reinforced concrete subcarrier carrier 13.
  • the cavity between mandrel 14 and sheath 12 is filled with grout 16.
  • the joist 11 is non-positively connected to the support bracket 13 through the mandrels 14.
  • sheaths 22 are accurately concreted in the production factory.
  • non-corrosive mandrels 24 are accurately concreted in the production.
  • the sleeves 43 which are equipped with feet and covers, are mounted on the mandrels 24.
  • the mandrel is immovably adjusted in the sleeve.
  • the cavity between the cladding tubes 22 and the sleeves 43 is filled with grout 26. After hardening of the grouting mortar 26, the joist 17 is connected to the support bracket 13 through the mandrels 24.
  • the beam 17 can now move in the X direction over a length corresponding to the inner width of the sleeve 43. A movement in the Y direction is excluded.
  • the sleeve cover 41 or the sleeve foot 42 is divided into three chambers extending essentially in the direction of the longitudinal axis of the sleeve.
  • the chamber 40 is provided for receiving the mandrel 24. Through the chamber 40, a securing position of the dome 24 during assembly of the reinforced concrete prefabricated components or during the concreting process is achieved. This is necessary because the position of the mandrel 24 must not change in the X or Y direction during the construction process.
  • Figure 8B shows an enlarged view of an embodiment of the sleeve foot or the identically designed sleeve cover.
  • the elevations 44 are provided here for securing the position of the mandrel 24 on the inner surface of the sleeve cover 41 or of the sleeve foot 42, by means of which the mandrel 24 is held in a press fit.
  • strong forces occur, which destroy the partitions which form the chamber 40 and the elevations 44.
  • the beam 17 can then move in the X direction over a length corresponding to the inner width of the sleeve 43.
  • Figure 9A shows an elongated cuboid sleeve 43 with parallel front and rear walls and mutually parallel side surfaces, wherein the side surfaces have a smaller extent than the front and rear walls. Shown is a section containing the longitudinal axis of the sleeve, wherein the cutting plane is parallel to the front and rear walls. In the same section, the sleeve cover 41 and the sleeve foot 42 are also shown.
  • FIG. 9B shows the sleeve cover 41 of the sleeve 43 or the identically formed sleeve foot 42 of the sleeve 43 in a section perpendicular to the sectional plane of FIG. 9A.
  • the sleeve 43 has no chambers or other devices for fixing the position of the dome 24 during assembly.
  • the position fixing is taken over by the sleeve cover 41 of the sleeve 43 and by the sleeve foot 42 of the sleeve 43.
  • the sleeve cover 41 and the sleeve foot 42 are each subdivided into three chambers extending substantially in the direction of the longitudinal axis of the sleeve.
  • the chamber 40 is provided for receiving the mandrel 24.
  • the sleeve foot 42 is raised onto the mandrel 24.
  • an opening is provided in the sleeve foot 42, the extent of which corresponds to the embodiment of the chamber 40 shown in FIG. 9A.
  • the sleeve 43 is mounted on the sleeve foot 42.
  • the sleeve cover 41 is inserted into the sleeve 43.
  • an opening is provided in the sleeve cover 41, the extent of which corresponds to the embodiment of the chamber 40 shown in FIG. 9A.
  • a securing of the dome 24 during assembly of the reinforced concrete prefabricated components is achieved by the chambers 40. This is necessary because the position of the mandrel 24 must not change in the X or Y direction during the construction process. In relative movements of the building parts strong forces occur, which destroy the partitions which form the chamber 40. The beam 17 can then move in the X direction over a length corresponding to the inner width of the sleeve 43.

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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)

Abstract

L'invention concerne un système de goujon pour former un raccord à force dans la zone de joint de dilatation entre un premier élément de construction en béton (17) et un deuxième élément de construction en béton (13). Le deuxième élément de construction en béton (13) est équipé d'un goujon (24) et d'une douille (43) appliquée de manière essentiellement concentrique sur le goujon (24). Le premier élément de construction (17) comporte un tube de gainage (22) pour recevoir la douille (43) et le goujon (24). La douille (43) comporte un couvercle de douille (41) et un pied de douille (42), le couvercle de douille (41) et/ou le pied de douille (42) comprenant un dispositif pour la fixation en position du goujon (24).
PCT/DE2009/075071 2008-12-15 2009-11-25 Système de goujon pour construction en béton Ceased WO2010075855A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008055523A DE102008055523B3 (de) 2008-12-15 2008-12-15 Dornsystem für den Stahlbetonfertigteilbau
DE102008055523.1 2008-12-15

Publications (2)

Publication Number Publication Date
WO2010075855A1 true WO2010075855A1 (fr) 2010-07-08
WO2010075855A4 WO2010075855A4 (fr) 2010-09-16

Family

ID=41720100

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2009/075071 Ceased WO2010075855A1 (fr) 2008-12-15 2009-11-25 Système de goujon pour construction en béton

Country Status (2)

Country Link
DE (1) DE102008055523B3 (fr)
WO (1) WO2010075855A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH713190A2 (de) * 2016-12-01 2018-06-15 Ikona Ag Vorrichtung und Verfahren zur Verbindung von zwei Bauteilen in einer bestimmten relativen Ausrichtung sowie damit erstelltes Betonbauwerk.
CN109281398A (zh) * 2017-07-19 2019-01-29 沈阳建筑大学 集束半灌浆约束浆锚连接方法
DE102018125785A1 (de) 2018-10-17 2020-04-23 Schöck Bauteile GmbH Lagervorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585771A (en) * 1969-05-19 1971-06-22 Stewart George Pinniger Connecting precast concrete structural members
DE8901117U1 (de) 1988-02-11 1989-03-23 EGCO AG, Weite Gleithülse zur Aufnahme eines Querkraftdornes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2616284A (en) * 1949-04-26 1952-11-04 Leontovich Valerian Precast concrete block joint
CH596397A5 (en) * 1976-09-24 1978-03-15 Traugott Schoop Car park building slabs shearing force absorption
CH679166A5 (fr) * 1989-06-26 1991-12-31 Ancotech Ag
GB2285641A (en) * 1994-01-14 1995-07-19 Permaban Projects Limited Dowel bar sleeve
DE10249742A1 (de) * 2002-10-25 2004-05-19 Maack, Peter, Dr.-Ing. Verfahren und Vorrichtung zur maßgenauen Errichtung eines Gebäudes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585771A (en) * 1969-05-19 1971-06-22 Stewart George Pinniger Connecting precast concrete structural members
DE8901117U1 (de) 1988-02-11 1989-03-23 EGCO AG, Weite Gleithülse zur Aufnahme eines Querkraftdornes

Also Published As

Publication number Publication date
WO2010075855A4 (fr) 2010-09-16
DE102008055523B3 (de) 2010-04-01

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