EP1918468A2 - Elément de coffrage perdu pour couler des joints de dilatation - Google Patents

Elément de coffrage perdu pour couler des joints de dilatation Download PDF

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Publication number
EP1918468A2
EP1918468A2 EP07019087A EP07019087A EP1918468A2 EP 1918468 A2 EP1918468 A2 EP 1918468A2 EP 07019087 A EP07019087 A EP 07019087A EP 07019087 A EP07019087 A EP 07019087A EP 1918468 A2 EP1918468 A2 EP 1918468A2
Authority
EP
European Patent Office
Prior art keywords
joint
element according
shuttering element
formwork
stiffener
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
EP07019087A
Other languages
German (de)
English (en)
Other versions
EP1918468A3 (fr
EP1918468B1 (fr
Inventor
Willibald Fischer
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.)
FWR Solutions GmbH
Original Assignee
FWR Solutions GmbH
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 FWR Solutions GmbH filed Critical FWR Solutions GmbH
Publication of EP1918468A2 publication Critical patent/EP1918468A2/fr
Publication of EP1918468A3 publication Critical patent/EP1918468A3/fr
Application granted granted Critical
Publication of EP1918468B1 publication Critical patent/EP1918468B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6807—Expansion elements for parts cast 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/948—Fire-proof sealings or joints

Definitions

  • the invention relates to a Abschalelement for an expansion joint explained in the preamble of claim 1 Art.
  • Shuttering which are also suitable for expansion joints, for example, from DE 94 15 265 U , of the DE 201 18 098 U known.
  • the known formworks are designed as reusable formwork, wherein after the casting of the first concreting section, the formwork element is removed and an expansion joint filling in the form of a blocking mat is fastened to the thus exposed concrete surface. Subsequently, the second concreting section is manufactured.
  • Reusable Abschalemia are relatively laborious. The attempt to use lost Abschalemia also for Abschalen expansion joints failed because so far no satisfactory way was found to attach the barrier mat using a lost Abschalides in the joint.
  • the invention is therefore an object of the invention to provide a lost Abschalelement for stripping expansion joints.
  • the invention provides a Abschalelement is created, which can remain in the concrete and still offers all construction guidelines sufficient and easy to handle installation option for a barrier mat.
  • a preferred adhesive used to secure the barrier mat to the formwork panel is a cement-based adhesive that is suitable for both fire-resistant expansion joints and applications where fire protection is not essential.
  • the Abschalelement is preferably provided with a stiffener, which may contain a variety of Aussteifimplantation.
  • the joint tape holder can either be formed only by a gap between the formwork panels, but is preferably designed as a separate joint tape holder, which is connected in any way with the formwork panels.
  • a limited permeable material for the formwork panel has several advantages.
  • this material provides an optimal base for sticking the barrier mat.
  • adhesives that are applied in larger quantities as is the case with cement-based adhesives
  • the concrete-impermeable openings in the formwork panel provide sufficient space for the adhesive to flow around the formwork panel, thus permitting permanent attachment of the blocking mat.
  • the connection of the lost Abschalelements in concrete is significantly improved by the limited concrete permeable material.
  • the formwork element according to the invention is preferably also provided as a ready-to-install unit if a stiffener and a joint tape holder are provided, i. the shuttering element with the formwork panels, the stiffener, the joint tape holder and the blocking mat is delivered to the construction site as a ready-to-install unit.
  • connection of the formwork panel with the stiffener and the joint tape holder is preferably carried out by welding.
  • the formwork element contains a formwork material 2 in the form of two formwork panels 2a, 2b.
  • the formwork material is preferably permeable to concrete, which is most easily realized with the aid of an expanded metal sheet or a grid mat (indicated only in regions in FIG. 2 for reasons of clarity).
  • perforated sheets or other perforated materials can also be used.
  • shuttering material 2 any other material with protrusions or surface roughness, which provide an improved connection to the concrete and / or an adhesive to be described below.
  • the openings formed by a perforated formwork material may be larger than is the case with the usual lost formwork elements, since the formwork panels only need to accommodate the concreting pressure and form no connection surface to the other concreting section.
  • the formwork panels are aligned with one another in a plane and connected to one another via brackets 3 such that a gap 4 for receiving a joint seal, in particular a joint tape 5 (FIG. 3), remains between adjacent edges of the two formwork panels 2a, 2b.
  • the bracket 3 bulges over the gap 4 to provide sufficient clearance for the joint seal 5 and is secured with two straight legs 3a, 3b to the formwork panels 2a, 2b.
  • the sheet 3 and the legs 3a, 3b are preferably so stiff that they can act as a stiffener for the formwork panels 2a, 2b.
  • the bracket 3 and the two legs 3a, 3b consist of a single, correspondingly shaped reinforcing bar.
  • stiffener 6 In addition to the bracket 3 with its legs 3a, 3b, further stiffening elements are provided, which together form the stiffener 6 of the Abschaliatas 1.
  • the stiffener 6 may, for example, conventional lattice girders 7 and 8 have individual reinforcing bars.
  • each panel 2a, 2b each one Lattice girders 7a, 7b connected, which sits on the respective legs 3a, 3b and runs parallel to the gap 4.
  • any conventional lattice girder can be used; shown is a lattice girder with triangular cross-section, the corners are formed by bars and its two sides above the base in each case by a wavy curved reinforcing coil.
  • the reinforcing rods 8 extend transversely to the lattice girders 7 and substantially parallel to the legs 3a, 3b, but lie on the side facing away from the legs 3a, 3b on the lattice girders 7a, 7b, crossing them at right angles.
  • lattice girders similar to the lattice girders 7 or reinforcing mats or the like may be used. The number, type and arrangement of the stiffening depends on the forces to be absorbed during concreting and can be varied as needed.
  • a joint seal holder 9 is provided.
  • the joint seal 5 in particular the elastomeric joint tape shown in Fig. 3 directly in the gap 4 by the two edges of the formwork panels 2a, 2b, in particular expanded metal or a grid mat, is preferably a separate component in shape a joint sealant holder 10 is provided.
  • the 1 contains two molded parts 10a, 10b, which are adapted to an average thickening 5a, for example of an expansion body (middle tube) of a joint strip 5 so that they form a receiving cavity for this thickening, in which the thickening can be determined.
  • the mold parts 10a, 10b extend continuously over the entire length of the gap 4.
  • the mold parts 10a, 10b each have the same semicircular or partially circular curved shape, but may also be formed trapezoidal or rectangular.
  • the molded parts 10a, 10b are each preferably fixed via a web 11a, 11b to the respective associated formwork panel 2a, 2b or to parts of the stiffener 6, for example the legs 3a, 3b, preferably welded.
  • the formwork panels 2a, 2b, the stiffener 6 with the legs 3a, 3b, the lattice girders 7a, 7b and the reinforcing bars 8 and the webs 11a, 11b consist of a weldable Material, in particular an iron or steel material, and are welded together.
  • a respective blocking mat 12 is fixed, which consists of a first locking mat part 12a, which is connected to the first switching board 2a, and a second blocking mat part 12b, which is connected to the second switching board 2b .
  • the barrier mat for example, mineral or rock wool or other mineral insulation, extruded hard foam, bituminized softboard or other suitable materials.
  • the two barrier mat parts 12a, 12b are preferably as large as the associated formwork panels 2a, 2b, so that they cover them, in particular over the region provided with the openings, substantially over the entire area, but also leaving the gap 4 free.
  • the barrier mat parts 12a, 12b are glued to the formwork panels 12a, 12b, preferably directly when the formwork panels 2a, 2b form the surface facing the blocking panel 12a, 12b.
  • the adhesive 13 may be applied over the entire surface, but may also be applied in regions in the form of dots or lines.
  • a double-sided adhesive tape or any suitable adhesive may be used, but a cement-based adhesive is preferred.
  • a suitable adhesive is marketed under the brand name "RACOFIX". This adhesive can also be used when the expansion joint must be designed fire-proof.
  • the adhesive fulfills the building material class A1 according to DIN 4102 (non-combustible, without organic constituents) and is able to connect barrier mats made of materials that also meet this building material class A1 with metal.
  • the formwork element according to the invention is preferably designed as a ready-to-install unit, that is to say it contains, in addition to the formwork panels 2a, 2b connected to the bracket 3 and the blocking mats 12a, 12b adhered thereto, also the necessary stiffener 6 and the joint tape holder 10, so that the Abschalelement 1 can be installed in the delivery state.
  • the necessary stiffeners and / or a preferred joint strip holder only on the construction site with the Abschalelement.
  • the stiffener can not be arranged symmetrically on the formwork panels. It is also possible to use the Abschalelement materials that are not necessarily weldable. The attachment can be done in this case by dozing, screws or the like., As long as the barrier mat is not penetrated.

Landscapes

  • 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)
EP07019087A 2006-10-25 2007-09-27 Elément de coffrage perdu pour couler des joints de dilatation Active EP1918468B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202006016361U DE202006016361U1 (de) 2006-10-25 2006-10-25 Abschalelement

Publications (3)

Publication Number Publication Date
EP1918468A2 true EP1918468A2 (fr) 2008-05-07
EP1918468A3 EP1918468A3 (fr) 2010-09-15
EP1918468B1 EP1918468B1 (fr) 2011-09-14

Family

ID=37576298

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07019087A Active EP1918468B1 (fr) 2006-10-25 2007-09-27 Elément de coffrage perdu pour couler des joints de dilatation

Country Status (3)

Country Link
EP (1) EP1918468B1 (fr)
AT (1) ATE524620T1 (fr)
DE (1) DE202006016361U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2320001A3 (fr) * 2009-10-27 2013-12-11 Pino Albanese Dispositif d'établissement d'un coffrage partiel et/ou d'un coffrage à joint de dilatation sur une construction en béton

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007011557A1 (de) * 2007-02-27 2008-09-04 Jens Döring Vollgeschoßgebäude mit großen, flachen, freitragenden Gewölbe aus filigranen Stahlbetonfertigteilelementen, zu einem gesamt geschlossenen, homogenen und dichten Baukörper
DE202007005724U1 (de) 2007-04-20 2007-06-21 Fwr Solutions Gmbh Schalungselement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735779A1 (de) * 1987-10-22 1989-05-03 Irbit Research & Consulting Ag Dichtungselement
DE9311710U1 (de) * 1993-08-05 1994-12-01 Peca-Verbundtechnik Gmbh, 84130 Dingolfing Schalung zum Herstellen einer Betonplatte
DE19905691A1 (de) * 1999-02-11 2000-08-17 Dausend Hans Werner Halterung für ein Fugenband

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2320001A3 (fr) * 2009-10-27 2013-12-11 Pino Albanese Dispositif d'établissement d'un coffrage partiel et/ou d'un coffrage à joint de dilatation sur une construction en béton

Also Published As

Publication number Publication date
EP1918468A3 (fr) 2010-09-15
EP1918468B1 (fr) 2011-09-14
ATE524620T1 (de) 2011-09-15
DE202006016361U1 (de) 2006-12-21

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