EP0987377A2 - Expendable form for floors - Google Patents
Expendable form for floors Download PDFInfo
- Publication number
- EP0987377A2 EP0987377A2 EP99118277A EP99118277A EP0987377A2 EP 0987377 A2 EP0987377 A2 EP 0987377A2 EP 99118277 A EP99118277 A EP 99118277A EP 99118277 A EP99118277 A EP 99118277A EP 0987377 A2 EP0987377 A2 EP 0987377A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- expendable
- foamed material
- new
- forms
- falsework
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/026—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of plastic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
- E04B5/043—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement having elongated hollow cores
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
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)
- Moulds, Cores, Or Mandrels (AREA)
- Surgical Instruments (AREA)
- Polyesters Or Polycarbonates (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
Description
- This patent relates to the field of building components and particularly concerns a new prefabricated panel to obtain floors and roofs in general.
- Known are expendable forms for floors. They consist of boards or prefabricated wooden elements which are being removed when the concrete is strengthened.
- Known are also expendable panels or forms consisting of foamed plastic material, usually polystyrene, having a rectangular parallelepiped shape.
- Said expendable forms are being laid on a temporary support frame for casting the floors.
- The concrete lays on said expendable forms and on the falsework of the beams forming, in this way, ribbed-concrete floors.
- The expendable forms are very useful since they replace the classical hollow floor bricks but, on the other hand, it is necessary to fit out a complex temporary support frame for the falsework of the beams and for the expendable forms.
- The subject matter of the present invention is a new panel or an expendable form with shapings.
- The new expendable form is preferably made of foamed material both for economic reasons and ease of realization and for the great lightness of the material, moreover it is provided with a conglomerated metallic falsework in order to be self supporting during the transport and the casting phase.
- The expendable form has a rectangular plan with modular width (for example 60 cm.), or a different plan corresponding to the distance between the centres of the main falsework of the floor, said plan is three-five metres long in connection to the clear span.
- The vertical section of the expendable form is particularly conformed, that is, generically rectangular and with a central V-shaped seat which is in upper position. The width and the depth of said seat are as to house the falsework of the main beams of the floor for carrying out concrete ribbed floors.
- The two sides of the section of the new expendable form have some parts with projection or flute shapes, in this way it is possible to position the expendable forms side by side inserting the projection of an expendable form to the flute of the adjacent one.
- A falsework is conglomerated in the expendable form and in line with its length, said falsework supports the expendable form and the additional weight of the casting concrete of the slab and of the beams. Said conglomerated falsework of the expendable form consists of one or more rods arranged in a triangle with the top vertex (or the bottom one) joined by means of rods with a smaller diameter.
- Said falsework of the expendable form is completely buried in the plastic material of the form; a lower section bar or channel can be arranged and buried in the plastic material as well. In this second chance the application of a false ceiling, as a plasterboard, to the form is made easier.
- As a matter of fact, said section bar constitutes a solid seat for fastening the assembly screws of the panels of the false ceiling.
- The expendable form can be provided with lightening holes lined up with the largest dimension of said form. Said holes reduce the weight of the form as well as the quantity of plastic material used for carrying out a form.
- The new expendable forms carried out in this way show many advantages, first of all when they are being laid directly on the lateral abutments of the floor they instantly make up the ribs on which the falsework of the beams is inserted.
- A further advantage is that said form is self-supporting. In case of great distance between the points of support a temporary support (intermediate support) can be inserted.
- Another important advantage is the insulating capacity of the form, both from a thermic point of view and a from an acoustic one, without the presence of thermic conductions.
- The new form can be realized with a different shape, as an option to the central seat V-shaped in which the main falsework of the floor is housed, it is possible to have two half seats or ribs so that the two forms positioned side by side can generate a seat or a whole rib between them. In this case, the section of the new form has an isosceles trapezoid shape with lateral ribs on the edges of the main base so as to space properly the two adjacent forms.
- The accompanying illustration shows by way of example, but not limitative, an embodiment of the invention.
- Figure 1 partially shows an axonometric view of the new form.
- The shape of the part made of plastic material (1) is clearly shown with a generically rectangular section and a central upper section V-shaped (1.1), a projection (1.2) on one side and a flute (1.3) on the other side.
- In the part made of foamed material (1) there are some lightening holes (1.4) whereas two falseworks (2) consisting of metallic rods cross the length of said part made of plastic material.
- Figures 2 and 3 show two further forms of making the part made of plastic (1) in which in place of the central V-shaped seat there are two half-seats (1.5) so that two expendable forms positioned side by side can generate a whole seat between them. In these cases the section of the part made of plastic material is isosceles trapezoid shaped with lateral rib (1.6) on the edges of the main base so as to space properly the two adjacent forms.
- Particularly figure 3 shows a version of the new form in which there is a section bar (3) supporting the false ceiling.
- The above are the basic outlines of the invention, on the basis of which the technician will be able to provide for implementation; therefore, any change which may be necessary upon implementation is to be regarded as completely protected by the present invention.
- With reference to the above description and the attached drawing, the following claims are put forth.
Claims (4)
- Expendable form made of foamed material for concrete floors characterized in that it conglomerates one or more reticulated triangular rods iron in the plastic material and wherein the generically rectangular section is provided in the upper part with a V-shaped seat and on the two sides is provided with complementary projections and flutes.
- Expendable form made of foamed material for concrete floors characterized in that it conglometates one or more reticulated triangular rods in the plastic material and wherein the generically rectangular section is laterally provided with chamfers so that it is possible to obtain a V-shaped notch between two expendable forms positioned side by side.
- Expendable form according to claims 1 or 2, characterized in that it is provided with lightening holes in the part made of foamed material.
- Expendable form according to claims 1 or 2, 3, characterized in that it is provided with one or more section bars completely buried for fastening the false ceiling, in addition to the inner self-supporting falsework.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1998PD000220A IT1302499B1 (en) | 1998-09-18 | 1998-09-18 | DISPOSABLE FORMWORK FOR FLOORS |
ITPD980220 | 1998-09-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0987377A2 true EP0987377A2 (en) | 2000-03-22 |
EP0987377A3 EP0987377A3 (en) | 2001-02-07 |
EP0987377B1 EP0987377B1 (en) | 2005-08-03 |
Family
ID=11392322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99118277A Expired - Lifetime EP0987377B1 (en) | 1998-09-18 | 1999-09-15 | Expendable form for floors |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0987377B1 (en) |
AT (1) | ATE301218T1 (en) |
DE (1) | DE69926454T2 (en) |
ES (1) | ES2247752T3 (en) |
IT (1) | IT1302499B1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006079355A1 (en) * | 2005-01-28 | 2006-08-03 | Domopan, S.P.A. | Panel made from expanded plastic meterial for building slab construction, slab and construction method comprising such a panel |
WO2007059538A2 (en) * | 2005-11-15 | 2007-05-24 | Milan Kekanovic | The possibility of special lightening, insulating and reinforcing intermediate floor constructions |
CN100350113C (en) * | 2003-10-21 | 2007-11-21 | 邱则有 | Hollow form structural parts |
WO2013019134A1 (en) | 2011-08-03 | 2013-02-07 | Milan Kekanovic | Building structure of pre-cast monolithic walls and interfloor slabs |
EP2657421A1 (en) * | 2004-11-29 | 2013-10-30 | Victor Amend | Reinforced insulated forms for constructing concrete walls and floors |
DE102016006779A1 (en) * | 2016-06-01 | 2017-12-07 | Nikolaus Kirsch | Reinforced foam boards (styrofoam) as slab formwork on the construction |
IT201600099438A1 (en) * | 2016-10-04 | 2018-04-04 | Tekno Fabbrica S R L | PANEL MADE FROM EXPANDED PLASTIC METERIAL FOR BUILDING SLAB CONSTRUCTION, SLAB AND CONSTRUCTION METHOD COMPRISING SUCH A PANEL |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4157640A (en) * | 1976-08-12 | 1979-06-12 | Joannes Andre A | Prefabricated building panel |
US4272230A (en) * | 1975-09-05 | 1981-06-09 | Solai Vignola Di Faviani Orlando Ec Societa | Slip form for building components |
GB2180861A (en) * | 1985-05-17 | 1987-04-08 | Luther Issac Dickens | Insulating building panel for column and beam structures |
EP0459924A1 (en) * | 1990-05-29 | 1991-12-04 | Eurostyrene, S.A.R.L. | Fabrication method for isolating and shuttering hourdisstones, device for the execution of this method and hourdisstones obtained thereby |
WO1995009953A1 (en) * | 1993-10-05 | 1995-04-13 | N.T.C. S.R.L. | A prefabricated element for floor construction |
WO1998016703A2 (en) * | 1996-10-15 | 1998-04-23 | Plastedil S.A. | Self-supporting construction element of expanded plastics, in particular for manufacturing floor elements and walls of buildings in general |
-
1998
- 1998-09-18 IT IT1998PD000220A patent/IT1302499B1/en active IP Right Grant
-
1999
- 1999-09-15 AT AT99118277T patent/ATE301218T1/en not_active IP Right Cessation
- 1999-09-15 DE DE69926454T patent/DE69926454T2/en not_active Expired - Lifetime
- 1999-09-15 ES ES99118277T patent/ES2247752T3/en not_active Expired - Lifetime
- 1999-09-15 EP EP99118277A patent/EP0987377B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4272230A (en) * | 1975-09-05 | 1981-06-09 | Solai Vignola Di Faviani Orlando Ec Societa | Slip form for building components |
US4157640A (en) * | 1976-08-12 | 1979-06-12 | Joannes Andre A | Prefabricated building panel |
GB2180861A (en) * | 1985-05-17 | 1987-04-08 | Luther Issac Dickens | Insulating building panel for column and beam structures |
EP0459924A1 (en) * | 1990-05-29 | 1991-12-04 | Eurostyrene, S.A.R.L. | Fabrication method for isolating and shuttering hourdisstones, device for the execution of this method and hourdisstones obtained thereby |
WO1995009953A1 (en) * | 1993-10-05 | 1995-04-13 | N.T.C. S.R.L. | A prefabricated element for floor construction |
WO1998016703A2 (en) * | 1996-10-15 | 1998-04-23 | Plastedil S.A. | Self-supporting construction element of expanded plastics, in particular for manufacturing floor elements and walls of buildings in general |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100350113C (en) * | 2003-10-21 | 2007-11-21 | 邱则有 | Hollow form structural parts |
EP2657421A1 (en) * | 2004-11-29 | 2013-10-30 | Victor Amend | Reinforced insulated forms for constructing concrete walls and floors |
WO2006079355A1 (en) * | 2005-01-28 | 2006-08-03 | Domopan, S.P.A. | Panel made from expanded plastic meterial for building slab construction, slab and construction method comprising such a panel |
WO2007059538A2 (en) * | 2005-11-15 | 2007-05-24 | Milan Kekanovic | The possibility of special lightening, insulating and reinforcing intermediate floor constructions |
WO2007059538A3 (en) * | 2005-11-15 | 2007-07-12 | Milan Kekanovic | The possibility of special lightening, insulating and reinforcing intermediate floor constructions |
EA015878B1 (en) * | 2005-11-15 | 2011-12-30 | Милан Кеканович | Floor element for mounting intermediate floor construction and method therefor |
US8122660B2 (en) * | 2005-11-15 | 2012-02-28 | Milan Kekanovic | Possibility of special lightening, insulating and reinforcing intermediate floor constructions |
WO2013019134A1 (en) | 2011-08-03 | 2013-02-07 | Milan Kekanovic | Building structure of pre-cast monolithic walls and interfloor slabs |
DE102016006779A1 (en) * | 2016-06-01 | 2017-12-07 | Nikolaus Kirsch | Reinforced foam boards (styrofoam) as slab formwork on the construction |
IT201600099438A1 (en) * | 2016-10-04 | 2018-04-04 | Tekno Fabbrica S R L | PANEL MADE FROM EXPANDED PLASTIC METERIAL FOR BUILDING SLAB CONSTRUCTION, SLAB AND CONSTRUCTION METHOD COMPRISING SUCH A PANEL |
Also Published As
Publication number | Publication date |
---|---|
DE69926454D1 (en) | 2005-09-08 |
IT1302499B1 (en) | 2000-09-05 |
ES2247752T3 (en) | 2006-03-01 |
EP0987377B1 (en) | 2005-08-03 |
DE69926454T2 (en) | 2006-06-08 |
ATE301218T1 (en) | 2005-08-15 |
EP0987377A3 (en) | 2001-02-07 |
ITPD980220A1 (en) | 2000-03-18 |
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