EP1197616A1 - Coffrage perdu pour un linteau - Google Patents

Coffrage perdu pour un linteau Download PDF

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Publication number
EP1197616A1
EP1197616A1 EP01124074A EP01124074A EP1197616A1 EP 1197616 A1 EP1197616 A1 EP 1197616A1 EP 01124074 A EP01124074 A EP 01124074A EP 01124074 A EP01124074 A EP 01124074A EP 1197616 A1 EP1197616 A1 EP 1197616A1
Authority
EP
European Patent Office
Prior art keywords
formwork element
lost formwork
element according
insulating material
plaster base
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
EP01124074A
Other languages
German (de)
English (en)
Other versions
EP1197616B1 (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.)
Berreth Rainer Dipl Ing F H
Original Assignee
Berreth Rainer Dipl Ing F H
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 Berreth Rainer Dipl Ing F H filed Critical Berreth Rainer Dipl Ing F H
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, especially for a door or window opening, with a U-shaped cross section and each a U-shaped inside and outside.
  • Formwork elements for falls are generally known.
  • formwork elements which after curing of the fall can be removed again, falls also by means of lost ones, i.e. those remaining in the building Formwork elements are manufactured.
  • Formwork elements constructed in this way have the serious disadvantage that it is not a complete Ensure the fall insulation, at least the base plate according to the above-mentioned patent from a cement-bonded chipboard or wood wool board is trained. Even with further insulation, for example by gluing in an insulation material on the area of the bottom, would through the direct connection of the layers of the formwork walls create a cold bridge with the base plate, which meet the modern requirements for insulation of buildings stands in the way.
  • the lost formwork element has at least two layers Construction from an insulating material and at least a plaster base, a lamination or the like has, being between the inside and the Continuous outside of the U-shaped formwork element in each case at least one layer of the insulating material is arranged.
  • a cross-section is created U-shaped lost formwork for the lintel, which on the one hand has a plaster base, on the other hand continuously at least one layer of the insulating material Has. This ensures that the complete Fall has thermal bridge-free insulation and good connectivity on the one hand due to the plaster base with the subsequent plaster base and / or the later the concrete forming the fall is guaranteed.
  • the lost formwork element from at least three U-shaped arranged to each other Plates, each of which has at least one two-layer Structure from the insulation material and at least one Have layer of plaster base.
  • the manufacture of the invention lost formwork element very easy and advantageously inexpensive as it is made from cut the corresponding plates very easily and manufactured, e.g. can be glued. That so Formwork element consisting of the at least three panels can be used as a finished part, whereby a standardization with the corresponding advantages related to cost reduction and simplification is.
  • Another advantage of the formwork element according to the invention lies in its very light weight in comparison to the conventional elements, on the one hand facilitates the transport to the construction site and on the other hand during transport on the construction site, Saves cranes or the like.
  • the Formwork element is the outside of the U-shaped Formwork element consistently formed from plaster base. On the one hand, this ensures that one is on the fall plaster or the like to be applied later very well is liable, 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 has no planking, support or the like is needed while in the Formwork element cures filled concrete.
  • the inside is also continuous formed from this plaster base.
  • all panels have one three-layer structure consisting of two layers of plaster base and an intermediate layer the insulation material. This structure allows a very easy production of the lost formwork element with the corresponding advantages in terms of costs and in connection with a high mechanical stability.
  • the plates are in the area of their connection with the adjacent plate is designed in steps, the neighboring plates in the area of their step-like formations at least approximately form-fitting mesh.
  • Formwork element can be the insulating material be made of rock wool while in an advantageous development of the invention the plaster base around cement-bound wood wool, for example acts in the form of a plate.
  • This structure provides very high mechanical stability due to the plaster base plates made of cement-bound Wood wool safe, so that the comparatively unstable Stone wool insulation material without loss mechanical strength can be used.
  • the alternative glass wool, Mineral granules or the like conceivable, which is held between the plaster base.
  • Such a structure has in particular with respect to Fire protection has great advantages because it is insulation material made of rock wool, glass wool or mineral granulate, is a non-combustible insulation, which for example in the area of public buildings is prescribed, but with previous methods not to be used to isolate falls could.
  • Fig. 1 shows an opening 1, here a window opening 1, in a masonry 2 with a known Fall 3.
  • Each of these plates 7a, 7b, 7c has a three-layer Building on.
  • the three-layer structure exists each from two layers of a plaster base 8, here thin panels of cement-bound wood wool, as well an intermediate insulation material 9.
  • this insulation material 9 made of a foamable plastic, such as from the under the brand name Styrofoam distributed material, or from rock wool, glass wool or the like.
  • the construction from the comparatively soft insulation materials 9, such as Glass wool or rock wool is no problem possible because the plaster base 8 is sufficient Has strength to the lost formwork element 6 even with a correspondingly long length, for example 3 m, mechanically so firm that it as self-supporting formwork element 6 can be used can.
  • this allows direct Plastering the lintel 3 without further shaping work.
  • this enables that the reinforcements 5 indicated here in principle sufficient sheathing through the concrete material 4 in a relatively far outside and below area can be arranged, which is the stability of the fall 3 promotes, and what with rounded edges in the area the inside 11 would not be possible.
  • connection of the individual plates 7a, 7c and 7b, 7c with each other is done here by gluing at least almost form-fitting, step-like training 12 in each of the adjacent plate 7a, 7b, 7c facing areas.
  • the step-like formations 12 are thereby forming, for example milling off the plate material, executed in such a way that at least almost form-fitting, step-like connections arise, which due to their training also at comparatively large manufacturing tolerances a high Fitting accuracy and high strength after gluing of the individual plates 7a, 7b, 7c with each other to ensure.
  • step-like training 12 the plaster base 8 in the area of the connections of the individual plates 7a, 7b, 7c with each other Insulating material 9 removed that it becomes a continuous Layer of plaster base 8 in the area of the inside 11 and comes in the area of the outside 10, but in Area of step-like training 12 to one large part of the insulating material 9 of a plate 7c directly with the insulating material 9 of the other panels 7a, 7b comes into contact, so that no cold bridges here arise.
  • the plaster base 8 is sufficiently high mechanical strength for the self-supporting lost Formwork 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)
  • Moulds, Cores, Or Mandrels (AREA)
  • Adornments (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Prostheses (AREA)
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 DE20017542U1 (de) 2000-10-13 2000-10-13 Verlorenes Schalungselement für einen Sturz
DE20017542U 2000-10-13

Publications (2)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10303579A1 (de) * 2003-01-30 2004-08-26 Manfred Bruer Schalungselement für Sturz
WO2008144642A1 (fr) * 2007-05-17 2008-11-27 Ricky Buckholt Boutisse isolante structurelle
CN105525750A (zh) * 2015-03-16 2016-04-27 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

Citations (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
DE2658620A1 (de) * 1976-12-23 1978-06-29 Heinz Carl Schalungselement mit einer isolierschicht
DE3430564A1 (de) * 1984-08-20 1986-03-06 Rainer Dipl.-Ing.(FH) 7090 Ellwangen Berreth Schalungswinkel fuer decken

Patent Citations (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
DE2658620A1 (de) * 1976-12-23 1978-06-29 Heinz Carl Schalungselement mit einer isolierschicht
DE3430564A1 (de) * 1984-08-20 1986-03-06 Rainer Dipl.-Ing.(FH) 7090 Ellwangen Berreth Schalungswinkel fuer decken

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10303579A1 (de) * 2003-01-30 2004-08-26 Manfred Bruer Schalungselement für Sturz
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
CN105525750A (zh) * 2015-03-16 2016-04-27 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
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

Also Published As

Publication number Publication date
ATE298829T1 (de) 2005-07-15
DE50106615D1 (de) 2005-08-04
DE20017542U1 (de) 2000-12-07
EP1197616B1 (fr) 2005-06-29

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