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WO2001096671A1 - Element de coffrage et dalle de plancher d'un batiment conçue a l'aide dudit element - Google Patents

Element de coffrage et dalle de plancher d'un batiment conçue a l'aide dudit element Download PDF

Info

Publication number
WO2001096671A1
WO2001096671A1 PCT/EP2001/006727 EP0106727W WO0196671A1 WO 2001096671 A1 WO2001096671 A1 WO 2001096671A1 EP 0106727 W EP0106727 W EP 0106727W WO 0196671 A1 WO0196671 A1 WO 0196671A1
Authority
WO
WIPO (PCT)
Prior art keywords
formwork
insulation layer
horizontal
elements
formwork element
Prior art date
Application number
PCT/EP2001/006727
Other languages
German (de)
English (en)
Inventor
Hubert Pfahl
Original Assignee
Hubert Pfahl
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
Priority claimed from DE10103470A external-priority patent/DE10103470A1/de
Application filed by Hubert Pfahl filed Critical Hubert Pfahl
Priority to AU2001267536A priority Critical patent/AU2001267536A1/en
Publication of WO2001096671A1 publication Critical patent/WO2001096671A1/fr

Links

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
    • E02D27/02—Flat foundations without substantial excavation

Definitions

  • the formwork for forming a floor slab of a building is made by wooden panels. These wooden panels are usually delivered in standard dimensions and their length and width must be adapted to the relevant conditions. Construction and fitting of the usual wooden formwork involves a lot of work. Furthermore, thermal insulation by the wooden panels is naturally not possible. Finally, there is a workload for removing the wooden paneeie, since this is not designed as lost formwork.
  • the object of the invention is that the formwork is simplified to form a base plate and is also designed to be heat-insulating.
  • an insulating body which is essentially L-shaped in cross section and has a plug connection at its longitudinal ends for the lining up of such formwork elements.
  • the L-shaped design of the insulating body has the effect that a concrete slab body cast into the formwork formed by the insulating elements is laterally enclosed by the vertical L-legs of the formwork element.
  • the horizontal L-leg of the formwork element is located below the concrete floor slab on a ballast bed or on an insulation layer, which means an unwanted lowering or lifting of the formwork element when pouring the concrete can be excluded.
  • the plug-in connection attached to the longitudinal ends enables these formwork elements to be strung together quickly and easily.
  • Another aspect of the present invention relates to a thermally insulated floor slab, as is to be used in particular for a low-energy or passive house.
  • This base plate has a circumferential, lost formwork, which is composed of the formwork elements according to the invention.
  • the space between the horizontal L-legs of these formwork elements is occupied by an insulation layer.
  • a concrete slab body is poured into the formwork.
  • the bottom plate is thermally insulated on all sides downwards and outwards through the use of the formwork elements and the insulation layer.
  • the formwork elements also take on the actual formwork, which means that they perform a typical double function. Since the formwork elements implement lost formwork, there is no labor involved in removing the formwork.
  • FIG. 1 is a perspective view of a formwork element
  • FIG. 2 is a perspective view of a corner formwork element
  • 3 shows a section through a floor slab of a building, the left half representing a building without a basement and the right half representing a building with a basement.
  • a formwork element 1 is shown in Fig. 1. It consists of pressure-resistant, DIBT-approved polystyrene extruder foam and is therefore heat-insulating.
  • the formwork element 1 comprises a rectangular plate part 3 forming a horizontal L-leg 2; wherein on an edge region of the plate part 3 there are two horizontally oriented plate parts 4 and 5 lying one above the other.
  • the plate part 4 and the plate part 5 together form the vertical L-leg 6 of the formwork element 1.
  • the length L of the horizontal L-leg 2 corresponds approximately to twice the width B of the vertical L-leg 6, both the plate part 4 and the plate part 5 have this width B.
  • the plate part 3 and the plate parts 4 and 5 have an identical plate thickness S and a uniform length L. They are connected to each other using a suitable adhesive.
  • a plug-and-socket connection 10 designed as a tongue and groove connection 9 is provided, which is offset by an offset E of the central plate part. 4 arises in the direction of the arrow opposite the upper plate part 5.
  • the end face 11 of the lower plate part 3 lies in one plane with the end face 12 of the upper plate part 5.
  • the formwork corner element 1 'shown in FIG. 2 is essentially identical in construction to the formwork element 1.
  • the reference symbols already introduced are therefore adopted in the description of FIG. 2.
  • the formwork element V also has one in an edge region vertical L-leg 6, comprising two horizontally extending plate parts 4, 5 and a plate part 3 forming a horizontal L-leg 2.
  • the middle plate part 4 is also displaced in the direction of the arrow.
  • the middle plate part 4 does not protrude at the longitudinal end 7 beyond the dimensions of the plate part 3.
  • the plate parts 3, 4 and 5 are thus flush at the longitudinal end 7 of the formwork element 1 '.
  • the formwork element V comprises two further horizontal plate parts 4 'and 5' on the plate part 3.
  • the side surfaces 13, 14 of the plate parts 4 ', 5' lie in one plane with the end face 15 of the formwork corner element 1 '.
  • the plate parts 4 'and 5' abut one side of the plate parts 4 and 5 and thereby form a right angle.
  • the width B 'and the thickness S' of the plate parts 4 'and 5' correspond to the thickness S and the width B of the plate parts 4 and 5.
  • the middle plate part 4 is shortened by the offset E and thus again forms the groove of the tongue and groove connection 9.
  • the middle plate part 4 ' also projects laterally beyond the horizontal L-leg 2 with an offset E. This in turn creates a tongue and groove connection 9 '.
  • the plate parts 4 ', 5' also result in a vertical L-leg 6 '. Together with the plate part 3, the plate parts 4 ', 5' form an L-shaped arrangement.
  • the formwork element V is used as a formwork corner element.
  • the process for forming a floor slab 23 of a building will now be described below.
  • the base plate 23 is shown in FIG. 3.
  • a ballast bed 17 is created in a more or less deep construction pit 16. Inside the ballast bed 17 there is a peripheral drainage 18 at the bottom at the edge. Directly on the ballast bed 17 is an insulation layer 19 which is formed from plates made of pressure-resistant polystyrene extruder foam. The base area of the insulation layer 19 depends on the base area of a building 20 including its external insulation 21. Next, the formwork elements 1 and V already described are arranged on the insulation layer 19 to form a lost formwork 22 for a base plate 23 and connected to one another by means of the tongue and groove connection 9. The tongue and groove connection 9 can additionally be fixed by adhesive. The vertical L-leg 6, 6 'of the formwork element 1, V- runs flush with the outside 24 of the insulation layer 19.
  • an insulation layer 25 is fitted into the space between the horizontal L-legs 2 of the formwork elements 1.
  • the insulation layers 19 and 25 likewise consist of polystyrene extrusion foam panels 26, the polystyrene extrusion foam panels 26 forming the insulation layer 25 also being the same horizontal L-legs 2 of the formwork element 1, 1 ', have a thickness S.
  • a film 27 is placed on the polystyrene extruder foam sheets 26 and the horizontal L-legs 2 so that no cement milk runs into the joints of the insulation layer 25.
  • the building pit 16 is provided on the outside around the formwork elements 1, V with a ballast filling 28 for fixing the formwork 22.
  • the ballast fill 28 is approximately flush with the top 34 of the vertical L-leg 6, 6 '.
  • a ventilation pipe 30 is laid above the film 27.
  • tubes 31 are provided above the film 27 for underfloor heating.
  • concrete is poured into the formwork 22.
  • the concrete slab body 29 thus encloses both the ventilation pipe 30 and the pipes 31 for the underfloor heating.
  • the base plate 23 comprises the insulation layer 19, the insulation layer 25, the formwork elements 1, 1 ', the film 27 and the concrete slab body 29. At the edge of the concrete slab body 29 there is an outer wall 32 on the passive house without a basement shown on the left. An insulating layer 21 is attached to the outside of the outer wall 32.
  • the insulation layer 21, like the vertical L-leg 6, 6 ', has a width B and is directly adjacent to the upper side 34 of the vertical L-leg 6, 6'.
  • a reinforced concrete wall 35 is provided instead of the outer wall 32.
  • the insulation layer 21 is placed in this version, as in the passive house, without a basement.
  • a liquid screed 37 can be applied to the floor concrete slab body 29.
  • the heat transfer from the building 20 into the ground is low.
  • the lateral thermal insulation of the base plate 23 is carried out by the vertical L-legs 6, 6 ', while a downward heat emission is restricted by the heat-insulating horizontal L-legs 2, the insulation layer 25 and the insulation layer 19.
  • the base plate 23 is therefore surrounded both vertically and horizontally below with insulation elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

L'invention concerne un élément de coffrage isolant (1, 1') permettant de réaliser une dalle de plancher (23) d'un bâtiment (20). Cet élément comprend un élément isolant en L en vue transversale (38), qui présente sur ses extrémités longitudinales (7, 8) un raccord (10) permettant de placer bout-à-bout les éléments de coffrage (1, 1').
PCT/EP2001/006727 2000-06-15 2001-06-15 Element de coffrage et dalle de plancher d'un batiment conçue a l'aide dudit element WO2001096671A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001267536A AU2001267536A1 (en) 2000-06-15 2001-06-15 Boarding element and flooring of a building produced therewith

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10029364.6 2000-06-15
DE10029364 2000-06-15
DE10103470.9 2001-01-26
DE10103470A DE10103470A1 (de) 2000-06-15 2001-01-26 Schalungselement und damit hergestellte Bodenplatte eines Gebäudes

Publications (1)

Publication Number Publication Date
WO2001096671A1 true WO2001096671A1 (fr) 2001-12-20

Family

ID=26006082

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/006727 WO2001096671A1 (fr) 2000-06-15 2001-06-15 Element de coffrage et dalle de plancher d'un batiment conçue a l'aide dudit element

Country Status (2)

Country Link
AU (1) AU2001267536A1 (fr)
WO (1) WO2001096671A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004106641A1 (fr) * 2003-05-30 2004-12-09 Schroeder Peter Element de coffrage isolant notamment destine a la fabrication du coffrage d'une dalle de plancher d'un immeuble et procede de fabrication d'un tel coffrage
EP2093332A1 (fr) * 2008-02-19 2009-08-26 Dura Vermeer Business Development B.V. Méthode de construction d'une fondation
WO2011095359A3 (fr) * 2010-02-08 2012-02-09 Roland Wolf Gmbh Ouvrage de maçonnerie
EP2439350A1 (fr) * 2010-10-08 2012-04-11 Holzmann GmbH & Co. KG Elément de coffrage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29910010U1 (de) * 1999-06-10 1999-09-23 Kraack, Anton, 24887 Silberstedt Gründungsbodenelement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29910010U1 (de) * 1999-06-10 1999-09-23 Kraack, Anton, 24887 Silberstedt Gründungsbodenelement

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004106641A1 (fr) * 2003-05-30 2004-12-09 Schroeder Peter Element de coffrage isolant notamment destine a la fabrication du coffrage d'une dalle de plancher d'un immeuble et procede de fabrication d'un tel coffrage
EP2093332A1 (fr) * 2008-02-19 2009-08-26 Dura Vermeer Business Development B.V. Méthode de construction d'une fondation
WO2011095359A3 (fr) * 2010-02-08 2012-02-09 Roland Wolf Gmbh Ouvrage de maçonnerie
EP2439350A1 (fr) * 2010-10-08 2012-04-11 Holzmann GmbH & Co. KG Elément de coffrage

Also Published As

Publication number Publication date
AU2001267536A1 (en) 2001-12-24

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