EP1197616B1 - Coffrage perdu pour un linteau - Google Patents

Coffrage perdu pour un linteau Download PDF

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Publication number
EP1197616B1
EP1197616B1 EP01124074A EP01124074A EP1197616B1 EP 1197616 B1 EP1197616 B1 EP 1197616B1 EP 01124074 A EP01124074 A EP 01124074A EP 01124074 A EP01124074 A EP 01124074A EP 1197616 B1 EP1197616 B1 EP 1197616B1
Authority
EP
European Patent Office
Prior art keywords
insulating material
plaster base
lost
lost shuttering
shuttering 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 - Lifetime
Application number
EP01124074A
Other languages
German (de)
English (en)
Other versions
EP1197616A1 (fr
Inventor
Rainer Dipl.-Ing. F-H. Berreth
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 EP1197616A1 publication Critical patent/EP1197616A1/fr
Application granted granted Critical
Publication of EP1197616B1 publication Critical patent/EP1197616B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C2003/023—Lintels

Definitions

  • the invention relates to a lost formwork element for a fall, in particular for a door or window opening, with a U-shaped cross section, respectively a U-shaped inside and outside, at least one two-layered construction of an insulating material and at least one plaster base, e.g. a lamination, being between the inside and the outside continuously at least one layer of the insulating material is arranged.
  • Shuttering elements for falls are basically known. In addition to a shuttering of the fall on site with Help of formwork elements, which after curing can be removed from the fall again, falls also by lost, so remaining in the building Shuttering elements are produced.
  • DE 26 58 620 describes a formwork element with an insulating layer comprising an outer layer of fiber concrete has, at the back of the insulating layer is pressed on, and being on the back the insulating layer has an inner layer of fiber concrete is sprayed so that out of her natural-gray exposed Surface fiber ends protruding freely.
  • the Fiber ends are encased in in-situ concrete.
  • the in-situ concrete flows into the bumps of the rough surface. This creates an intimate connection between the In-situ concrete and the fiber concrete of the inner layer of the formwork element created.
  • a formwork element can be a formwork with continuous produce insulating layer.
  • a major disadvantage of such a formwork element is the use of fiber concrete as a primer, which has a very high weight, itself badly editable and a lot of time for editing.
  • this object is achieved by at least three U-shaped plates, each one at least two-layered construction of the insulating material and at least one layer of the plaster base and which are in the area of their connection with the adjacent plate each have a step-like design have, wherein the plates in the range of step-like training are glued together solved.
  • Another advantage of the formwork element according to the invention is in a very low weight in comparison to the conventional elements, what on the one hand facilitates the transport to the site and on the other hand during transport at the construction site lifting gear, Saves cranes or the like.
  • the Shuttering element is the outside of the U-shaped Shuttering element formed continuously from plaster base. This on the one hand ensures that one on the fall applied plaster or the like later very well on the other hand, this is made possible by the mechanical stability of the plaster base that the formwork element designed as a self-supporting element can be, which no planking, support or the like required while in the Formwork element cements filled concrete.
  • all plates have a three-layered structure consisting of two layers of plaster base and an interposed layer the insulating material. This construction allows a lot simple production of the lost formwork element with the corresponding advantages in terms of costs and in conjunction with a high mechanical stability.
  • the insulating material be made of rock wool while it is in an advantageous embodiment of the invention the plaster base around cement-bound wood wool, for example in the form of a plate.
  • This structure provides a very high mechanical stability due to the plaster base plates made of cement-bound Wood wool sure, so that the comparatively unstable Rockwool insulation without loss of quality mechanical strength can be used.
  • the alternative glass wool, Mineral granules or the like conceivable, which is held between the plaster base.
  • Such a construction in particular with respect to Fire protection has great advantages, as it is insulating material made of rock wool, glass wool or mineral granules, is a non-combustible insulation, which for example in the area of public buildings is required, with previous methods, however not be used for the isolation of falls could.
  • Fig. 1 shows an opening 1, here a window opening 1, in a masonry 2 with a known Fall 3.
  • a fall 3 there is such a fall 3 to a large extent of a concrete material 4, which optionally also reinforcements 5 to increase may contain mechanical strength.
  • lost formwork element 6 is used, in which the Concrete material 4 of the fall 3 is poured.
  • the Shuttering element 6 consists in the embodiment shown here from three U-shaped composite panels 7a, 7b, 7c.
  • Each of these plates 7a, 7b, 7c has a three-layered Build up.
  • the three-layer structure exists each of two layers of a plaster base 8, here thin sheets of cement-bound wood wool, as well an interposed Dämmaterial 9.
  • this insulating material 9 of a foamable plastic such as from the under the brand name Styrofoam sold material, or rock wool, glass wool or the like.
  • the structure of the relatively soft insulating materials 9, e.g. Glass wool or rock wool, is easy possible because the plaster base 8 sufficient Has strength to the lost formwork element 6 even with a correspondingly long length, for example 3 m, mechanically strong so that it as self-supporting formwork element 6 are used can.
  • connection of the individual plates 7a, 7c or 7b, 7c with each other takes place here by gluing at least approximately form-fitting, step-like formations 12 in each of the adjacent plate 7a, 7b, 7c facing areas.
  • the step-like formations 12 are doing by a shaping, for example a milling of the plate material, executed in the way that at least approximately form-fitting, stepped connections arise, which due to their training also at comparatively large manufacturing tolerances a high Accuracy and after bonding a high strength the individual plates 7a, 7b, 7c with each other to ensure.
  • a shaping for example a milling of the plate material
  • the plaster base 8 is a sufficiently high mechanical strength for the self-supporting lost Shuttering 6 safe.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Adornments (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Prostheses (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Claims (10)

  1. Elément de coffrage perdu (6) pour un linteau (3), notamment pour une ouverture de porte ou de fenêtre, avec une section transversale en forme de U, une face intérieure (11) et une face extérieure (10) en forme de U, une structure au moins à double couche constituée d'un matériau isolant (9) et d'au moins un fond d'enduit (8), par exemple un contre-collage, au moins une couche du matériau isolant (9) étant disposée de manière continue entre la face intérieure (11) et la face extérieure (10),
    caractérisé par
    au moins trois plaques en forme de U (7a, 7b, 7c) qui comportent chacune une structure au moins en double couche constituée du matériau isolant (9) et d'au moins une couche de fond d'enduit (8) et qui comportent, au niveau de leur raccordement avec la plaque voisine (7a, 7b, 7c), un épaulement (12), les plaques (7a, 7b, 7c) étant collées entre elles au niveau de l'épaulement (12).
  2. Elément de coffrage perdu selon la revendication 1,
    caractérisé en ce que
    la face extérieure (10) est constituée entièrement d'un fond d'enduit (8).
  3. Elément de coffrage perdu selon la revendication 1 ou 2,
    caractérisé en ce que
    la face intérieure (11) est constituée entièrement d'un fond d'enduit (8).
  4. Elément de coffrage perdu selon l'une des revendications 1 à 3,
    caractérisé en ce que
    au moins une des plaques (7a, 7b, 7c) comporte une structure au moins à trois couches, au moins une des couches étant constituée du matériau isolant (9) et les deux couches externes des plaques (7a, 7b, 7c) étant constituées du fond d'enduit (8).
  5. Elément de coffrage perdu selon l'une des revendications 1 à 4,
    caractérisé en ce que
    toutes les plaques (7a, 7b, 7c) comportent une structure en trois couches constituée de deux couches de fond d'enduit (8) et d'une couche du matériau isolant (9) disposée entre les deux autres couches.
  6. Elément de coffrage perdu selon l'une des revendications 1 à 5,
    caractérisé en ce que
    des plaques voisines (7a, 7b, 7c) s'emboítent l'une dans l'autre avec une complémentarité de forme, au moins approximative, au niveau de leurs épaulements (12).
  7. Elément de coffrage perdu selon l'une des revendications 1 à 6,
    caractérisé en ce que
    le fond d'enduit (8) est constitué de fibres de bois liées avec du ciment.
  8. Elément de coffrage perdu selon l'une des revendications 1 à 7,
    caractérisé en ce que
    le matériau isolant (9) est constitué de laine de roche.
  9. Elément de coffrage perdu selon l'une des revendications 1 à 7,
    caractérisé en ce que
    le matériau isolant (9) est constitué de laine de verre.
  10. Elément de coffrage perdu selon l'une des revendications 1 à 7,
    caractérisé en ce que
    le matériau isolant (9) est constitué de matière plastique.
EP01124074A 2000-10-13 2001-10-10 Coffrage perdu pour un linteau Expired - Lifetime EP1197616B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20017542U 2000-10-13
DE20017542U DE20017542U1 (de) 2000-10-13 2000-10-13 Verlorenes Schalungselement für einen Sturz

Publications (2)

Publication Number Publication Date
EP1197616A1 EP1197616A1 (fr) 2002-04-17
EP1197616B1 true EP1197616B1 (fr) 2005-06-29

Family

ID=7947585

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01124074A Expired - Lifetime EP1197616B1 (fr) 2000-10-13 2001-10-10 Coffrage perdu pour un linteau

Country Status (3)

Country Link
EP (1) EP1197616B1 (fr)
AT (1) ATE298829T1 (fr)
DE (2) DE20017542U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10303579B4 (de) * 2003-01-30 2008-06-12 Manfred Bruer Schalungselement für Sturz
WO2008144642A1 (fr) * 2007-05-17 2008-11-27 Ricky Buckholt Boutisse isolante structurelle
CN105525750B (zh) * 2015-03-16 2018-02-06 中建四局第一建筑工程有限公司 一种门过梁的施工方法及铝合金门过梁模板

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683577A (en) * 1969-06-02 1972-08-15 Seaferro Inc Building construction systems
DE2658620C3 (de) * 1976-12-23 1979-05-31 Heinz 8644 Pressig-Welitsch Carl Bleibendes Schalungselement mit einer Isolierschicht
DE3430564C2 (de) * 1984-08-20 1996-09-05 Berreth Rainer Dipl Ing Fh Schalungswinkel für Decken

Also Published As

Publication number Publication date
ATE298829T1 (de) 2005-07-15
EP1197616A1 (fr) 2002-04-17
DE50106615D1 (de) 2005-08-04
DE20017542U1 (de) 2000-12-07

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