EP2009183B1 - Elément de coffrage - Google Patents

Elément de coffrage Download PDF

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Publication number
EP2009183B1
EP2009183B1 EP08010205A EP08010205A EP2009183B1 EP 2009183 B1 EP2009183 B1 EP 2009183B1 EP 08010205 A EP08010205 A EP 08010205A EP 08010205 A EP08010205 A EP 08010205A EP 2009183 B1 EP2009183 B1 EP 2009183B1
Authority
EP
European Patent Office
Prior art keywords
bars
cross
shuttering element
formwork
longitudinal
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.)
Revoked
Application number
EP08010205A
Other languages
German (de)
English (en)
Other versions
EP2009183A1 (fr
Inventor
Sven Obernolte
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39619410&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2009183(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP2009183A1 publication Critical patent/EP2009183A1/fr
Application granted granted Critical
Publication of EP2009183B1 publication Critical patent/EP2009183B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/01—Flat foundations
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/05—Forming boards or similar elements the form surface being of plastics
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/06—Forming boards or similar elements the form surface being of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/06—Forming boards or similar elements the form surface being of metal
    • E04G9/065—Forming boards or similar elements the form surface being of metal the form surface being of wire mesh

Definitions

  • Shuttering elements of this type are made of DE 38 15 870 C1 known and are used for example for foundation formwork.
  • the lattice mat is a structural steel mat formed from crossed round bars, which is bent or folded either flat or to a suitable formwork profile. This structural steel mat gives the formwork element the necessary mechanical strength.
  • the film is a stable shrink film, for example made of polyethylene, with which the lattice is shrunk, so that the grid openings are each closed by two layers of film and thus one obtains a flat, impermeable concrete for the formwork element.
  • the object of the invention is to provide a cost-effective formwork element with improved stability.
  • cross bars have a flattened cross-section whose longer axis is oriented at right angles to the longitudinal bars.
  • the stiffer cross bars may optionally be arranged on the side facing away from the formwork cavity outside or the formwork cavity facing inside of the formwork element. If the wider cross bars are arranged on the outside, they may also differ in their width, for example, such that the width of the horizontally extending transverse bars gradually increases from top to bottom. The bending stiffness the grid mat then increases in proportion to the increasing from top to bottom static pressure of the filled liquid concrete.
  • the wider cross bars are arranged on the inside of the formwork element, they can also serve as spacers for a reinforcement to be mounted in the formwork cavity.
  • Fig. 1 is a cross section of a foundation formwork shown, which is formed by two parallel spaced-apart formwork elements 10.
  • the core of each formwork element is a grid mat 12 made of structural steel, which is formed by vertical longitudinal bars 14 and horizontal transverse bars 16, 16a.
  • These longitudinal and transverse rods are welded together in the usual way at the crossing points.
  • the peculiarity here is that some of the transverse rods, namely the cross bars 16a-e are not round rods, but instead have an elongated, approximately rectangular profile, wherein the larger axis of the profile is oriented at right angles to the longitudinal bars 14.
  • the cross-section of these cross bars may also be T- or L-shaped or the like, as exemplified for the transverse bar 16c.
  • Each of the two grid mats 12 is hollowed in a closed shrink film 18.
  • bracket 20 The upper and lower edges of the two formwork elements 10 are held together in a known manner by bracket 20.
  • the transverse bars 16a-d are each arranged on the outer side of the relevant formwork element, and their width - in the direction perpendicular to the longitudinal bars 14 - increases from top to bottom, ie from the transverse bar 16a to the transverse bar 16d. Due to the cross-sectional shape of the transverse rods 16a-e stiffening of the grid mat and thus the shuttering element is achieved, and is achieved by the different cross-sectional shapes, the flexural rigidity increases from top to bottom, and thus approximately follows the course of the static pressure inside the shuttering cavity, if this is filled with liquid concrete.
  • transverse rods 16e are arranged on the inside of the respective formwork element and thus project into the formwork cavity. This makes it possible to use these cross bars 16e as a spacer for a reinforcement cage 22 or other steel reinforcement, which is to be arranged at a distance from the formwork walls in the formwork cavity.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Surgical Instruments (AREA)
  • Semiconductor Memories (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Saccharide Compounds (AREA)
  • Bipolar Transistors (AREA)

Claims (6)

  1. Elément de coffrage avec un treillis enveloppé d'un film (18), constitué de barres longitudinales et transversales (14, 16, 16a à 16e) se croisant les unes avec les autres, caractérisé en ce qu'au moins certaines des barres transversales (16a à 16e) ont une section transversale aplatie dont l'axe le plus long est orienté à angle droit par rapport aux barres longitudinales (14).
  2. Elément de coffrage selon la revendication 1, caractérisé en ce que le film (18) est un film rétractable.
  3. Elément de coffrage selon l'une des revendications précédentes, caractérisé en ce que les barres transversales (16a à 16e) agencées sur un côté des barres longitudinales (14) se différencient par leur largeur.
  4. Elément de coffrage selon la revendication 3, caractérisé en ce que les barres longitudinales (14) s'étendent verticalement et la largeur des barres transversales (16a à 16e) augmente de haut en bas.
  5. Elément de coffrage selon l'une des revendications précédentes, caractérisé en ce qu'au moins une des barres transversales (16e) ayant une section transversale aplatie est agencée sur le côté intérieur dirigé vers l'espace vide de coffrage de l'élément de coffrage et forme une entretoise d'écartement pour une armature (22).
  6. Elément de coffrage selon l'une des revendications précédentes, caractérisé en ce qu'au moins certaines des barres transversales (16c) ont une section transversale aplatie en forme de T ou de L.
EP08010205A 2007-06-27 2008-06-04 Elément de coffrage Revoked EP2009183B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202007008976U DE202007008976U1 (de) 2007-06-27 2007-06-27 Schalungselement

Publications (2)

Publication Number Publication Date
EP2009183A1 EP2009183A1 (fr) 2008-12-31
EP2009183B1 true EP2009183B1 (fr) 2010-01-13

Family

ID=39619410

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08010205A Revoked EP2009183B1 (fr) 2007-06-27 2008-06-04 Elément de coffrage

Country Status (4)

Country Link
EP (1) EP2009183B1 (fr)
AT (1) ATE455211T1 (fr)
DE (2) DE202007008976U1 (fr)
DK (1) DK2009183T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015223112A1 (de) * 2015-11-23 2017-05-24 Mako Gmbh & Co. Kg Schalungstechnik Schalungselement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59122628A (ja) * 1982-12-27 1984-07-16 Toshiba Corp 地下式建屋の外壁構築用型枠
NL8303866A (nl) * 1983-11-10 1985-06-03 Grad Heinz Carl Ing Verloren bekisting.
DE3815870C1 (fr) 1988-05-09 1989-08-03 Peca-Verbundtechnik Gmbh, 8312 Dingolfing, De
DE9206140U1 (de) * 1992-05-07 1993-09-09 Peca-Verbundtechnik Gmbh, 84130 Dingolfing Schalung

Also Published As

Publication number Publication date
DE202007008976U1 (de) 2008-10-30
ATE455211T1 (de) 2010-01-15
EP2009183A1 (fr) 2008-12-31
DE502008000314D1 (de) 2010-03-04
DK2009183T3 (da) 2010-04-26

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