EP0832335B1 - Panneau de coffrage en beton - Google Patents

Panneau de coffrage en beton Download PDF

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Publication number
EP0832335B1
EP0832335B1 EP95922411A EP95922411A EP0832335B1 EP 0832335 B1 EP0832335 B1 EP 0832335B1 EP 95922411 A EP95922411 A EP 95922411A EP 95922411 A EP95922411 A EP 95922411A EP 0832335 B1 EP0832335 B1 EP 0832335B1
Authority
EP
European Patent Office
Prior art keywords
shuttering panel
concrete
reinforcement
shuttering
panel 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
EP95922411A
Other languages
German (de)
English (en)
Other versions
EP0832335A1 (fr
Inventor
Jochen Heilemann
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.)
Most Hans-Joachim
Original Assignee
Most Hans-Joachim
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 Most Hans-Joachim filed Critical Most Hans-Joachim
Publication of EP0832335A1 publication Critical patent/EP0832335A1/fr
Application granted granted Critical
Publication of EP0832335B1 publication Critical patent/EP0832335B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
    • E04B1/164—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with vertical and horizontal slabs, only the horizontal slabs being partially cast in situ
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8652—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties located in the joints of the forms
    • 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
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2002/749—Partitions with screw-type jacks

Definitions

  • the invention relates to a thin, manually transportable and Layable formwork panel made of concrete for a reinforced concrete component.
  • a lost formwork here is a formwork for one understood on site in cast concrete, the after setting the concrete is not removed, but with the Structure remains connected - be it that it lies in the ground and cannot be removed, be it as a load bearing or shaping part of the building is used.
  • a lost formwork panel is known (EP 0 110 874 B1), where a flat or spatial reinforcement steel mesh between two prefabricated, correspond to the reinforcing steel mesh grooved Panels embedded and this ensemble to concrete is cast in a monolithic supporting structure.
  • the procedure to produce this formwork panel is very complex and therefore the plate is expensive. Because reinforcement steel according to regulations the plate must be covered by at least 2 cm of concrete inevitably so thick that it changes the dimensions and closes is difficult than being handled by a single person, for example can be.
  • Another known lost formwork panel (DE 25 21 577 A1) has knobs on its surface facing the in-situ concrete which is supported by steel reinforcement and therefore in the Corrosion-preventing distance from that facing away from the in-situ concrete Surface of the formwork panel is held.
  • a formwork panel with such But pimples are more difficult to manufacture and also more difficult as a formwork panel consisting of a flat plate: the Nubs do not contribute to them only due to the panel thickness between the knobs have certain strength, but contribute to their weight.
  • the object of the invention was therefore to create a lost one Formwork panel to create the applicable building standards and rules the standard part taking into account the architecture in large quantities Manufactured cheaply, stocked and for all applications is equally applicable. It solves this task through Features of the main claim.
  • the formwork panel consists of a flat plate achieves the advantage that it is easy to manufacture and that their material volume and thus their weight is not greater than the panel thickness required for the strength of the formwork panel necessary is.
  • the reinforcement of the formwork panel according to the invention is not that the structure of the structure causing steel reinforcement, but one reinforcement that only brings about the strength of the formwork panel.
  • the Reinforcement of the formwork panel according to the invention is not that the structure of the structure causing steel reinforcement, but one the strength of the reinforcement only for the formwork panel.
  • the the structure's structural reinforcement is above and thus installed independently of the formwork panel according to the invention. With this, the formwork panel is reinforced by the structure independent and can be used universally in all structures become.
  • the formwork panel according to the invention is therefore made of concrete and has a type of reinforcement that is in connection with the concrete the required strength when the plate is thin gives.
  • the reinforcement in the lower, in the horizontal installation state the area subjected to tension has the necessary work processes connected traffic load plus the load of the applied in-situ concrete.
  • Another, in the one provided Installation condition under pressure, upper area of the Formwork panel inserted reinforcement serves the formwork panel to make it shatterproof when handling. This reinforcement can therefore be weaker than that in the area under tension.
  • intersecting shares serve as reinforcement parallel, one-dimensional body like (monofilament) wires or (multifile) threads made of corrosion-resistant material high Tensile strength and low elongation. Meet these conditions especially wires or threads made of inorganic substances such as Glass. With particularly high demands on strength and low Weight can be justified by the use of carbon fibers be.
  • the formwork panel is reinforced at least two, then preferably at an angle of Crossing 90 ° and parallel to the sides of the formwork panel trending sheets of thread. If formwork panels in other than mutually perpendicular directions are most heavily loaded or if the formwork panels are not rectangular (e.g. equilateral triangular in buildings with a floor plan in a 60 ° grid) the thread coulters can also be used in others Cross angles. However, the thread sheets preferably run in Direction of the heaviest strain on the train.
  • the individual threads of the thread sheets have a mutual one Distance that the passage of liquid concrete through by the crossing stitches formed stitches allowed. Each after the grain of the concrete used, this distance can be from a few mm up to about 15 mm.
  • the strength of the reinforcements can be selected according to the strength requirements by choosing both the thread thickness and the mutual spacing of the threads in the thread sheets. It has been shown that the required strength of the formwork panel according to the invention can be achieved with a reinforcement in the form of a textile fabric (fabric or cross-linked sheets) with a weight per unit area of about 100 g / m 2 . In some cases, for example with other plate dimensions or other load values, higher or lower m 2 weights can also be advantageous. Different or the same basis weights can be achieved with threads of different fineness and / or different spacing between the threads.
  • the upper reinforcement can be chosen weaker than the lower reinforcement, its basis weight, i.e. the concentration and / or the strength of their threads may be less than that in the thread sheets of the reinforcement in the lower area.
  • the crossing thread sheets can be independent of each other be. For the sake of easier, in particular joint handling however, they are connected or networked and form a two-dimensional, flat structure. There the tensile stress, however, only ever from the individual threads is included, the links of the reinforcement are one-dimensional to address.
  • the threads can be crosslinked by gluing, Welding or enveloping coating can be achieved.
  • the thread cords Preferably are the thread cords as a warp and a weft with each other interwoven, but for the purpose of the sliding resistance of the very light (with a large mutual distance between the threads) Fabric also a coating, welding or gluing is advantageous.
  • the Thickness of the formwork panel according to the invention kept so small be that the overall height of a ceiling despite installing a steel reinforcement is not raised above the formwork panel.
  • the lost formwork panel is just so thick that the prescribed one Concrete thickness below or above the steel reinforcement of 2 cm given is. This means that the steel reinforcement can be used directly without the otherwise required spacers, placed on the formwork panel become.
  • a steel reinforcement must be replaced by at least one 2 cm thick concrete layer must be covered. This is due to the minimum thickness the formwork panel ensures. So that condition is also met at the joints of the formwork panel provided the edges of the formwork panel on top of the in-situ concrete chamfer facing side. This ensures that the height the remaining butt joint between the formwork panel is reduced and that thin concrete glue seep into this butt joint can and it fills in and so the prescribed concrete thickness under or above the reinforcement.
  • the formwork panel and in-situ concrete are only on one level surface touch, it is provided, the formwork panel on the in-situ concrete facing side so that an intimate connection arises between the formwork panel and the in-situ concrete. This can be due to the rough surface design of the formwork panel can be achieved.
  • This surface of the formwork panel can also be used have undercut recesses in a known manner, in which the in-situ concrete enters and anchors. Grooves in the Surface of the formwork panel have proven to be a means of reaching Proven connection between formwork panel and in-situ concrete.
  • the dimensions of the formwork panel can be chosen arbitrarily become.
  • a standard size of 100 cm x 50 cm corresponds to the standard size usual formwork panels. In some cases, however dimensions deviating from this may be advantageous.
  • the intended thickness of the formwork panel of about 2 cm allows also easy cutting of the panels to partial dimensions stone-cutting release agents such as stone saws or cutting discs. It has been shown that a lower armouring is used for this purpose An incision is sufficient to make the formwork panel along the To be able to break incisions.
  • the formwork panel according to the invention is mainly for creating of cast, reinforced concrete ceilings. she can but also as lost formwork for walls, for beams, serve for recesses, for foundations etc.
  • the inventive Formwork panel 1 preferably made of a flat plate 2 made of concrete with a grain size not coarser than 8.
  • this plate contains one Reinforcement 4 in the form of an insert made of two intersecting Shares 5, 6, each with parallel threads.
  • these thread groups 5, 6 a fabric 8
  • the cords of thread lie one above the other.
  • To move the To prevent threads in the manufacture of plate 2 are the threads at least of the thread coulters lying on top of each other on theirs Crossing points are connected to each other so that they cannot slide.
  • the top 9 of the plate 2 has a profile that in the embodiment left of the break line 7 as in cross section dovetail-shaped, longitudinal or transverse grooves 10, in the embodiment to the right of the break line as longitudinal or transverse running or crossing grooves 11 is formed.
  • the plate 2 contains another Reinforcement 12 also in the form of an insert from intersecting Shares 5, 6 with threads parallel to each other, also be interwoven or can only lie on top of each other.
  • the edges 13 of the plate 2 are against the top 9 in Art a chamfer 14 reaching about half the thickness of the plate beveled.
  • the thickness of the plate 2 is preferably 2 cm.
  • a foundation strip 24 in the ground 4 lost formwork panel can be used with advantage. This can be done on the outside of the foundation strip 24 formwork panel 1, for example a nail 25 or other suitable sprouting in excavated foundation trench. Even the inside of the foundation strip 24 can be by means of a formwork strip 26 be limited if they are not from the embankment of the excavated foundation trench should be limited.
  • In-situ concrete 18 can then be poured into the space thus defined. After it has set, the bottom nail 25 can be pulled, making the foundation without the need to remove one Formwork is completed.
  • FIG. 5 shows, in reverse, the formwork of a beam according to FIG. 3 the formation of a recess 27 in a concrete cast 15 ceiling or wall.
  • the space of the provided recess 27 is on all sides with appropriately cut strips 21 of formwork panels dressed, which are held by support members 16.
  • the strips 21 of the formwork panels are chamfered 14 arranged so that by the inflow already described of in-situ concrete in the grooves formed by the chamfers or thin concrete glue in the remaining columns the concrete layer over a lying in the ceiling 15, not shown here Reinforcement is ensured.
  • FIG. 6 One created using the formwork panels according to the invention Wall 28 is shown in FIG. 6.
  • the formwork panels 1 are in Fix gutters 29 in the floor 31, for example by means of nails 30
  • Bottom rail 32 placed or in a corresponding cover rail 33 held.
  • the formwork panels 1 steel tie rods 34 are inserted, the as well as the bottom rail 32 and the top rail 33 the pressure of the filled, liquid in-situ concrete.
  • the wall 28 also has steel reinforcement 17.
  • a support structure for Holding the formwork until the in-situ concrete solidifies is here already removed.
  • a formwork panel provided with an insulation layer 35 is shown in Fig. 7 shown. It consists of the actual one Formwork panel 1 as shown and described in Fig. 1.
  • the insulation layer 35 can also be used to absorb influences such as sound and be trained.
  • the insulation layer 35 consists of material known to the person skilled in the art, that has the intended insulation effect, e.g. from hard foam such as Styrodur, made of fiber material such as felt or rock wool Multi-layer panels, the combinations of these materials with Flat structures such as cardboard, foils or sheet metal can contain or from other.
  • the insulation layer 35 is fixed to the actual one Formwork panel 1 connected, e.g. by means of (plastic) Nails 36 or by gluing.
  • the formwork panel 1 according to the invention can thereby be produced be that in a pan-like, flat shape first the lower reinforcement 4 is inserted. Then the shape with the the specified amount of concrete. Due to the large meshes in the Reinforcing mesh passes and envelops concrete through the mesh on the bottom. The upper reinforcement is placed on this concrete filling 12 placed and then closed the mold with a lid. In this cover is the chamfer 14 and the grooves 10 or Grooves 11 forming the shape incorporated - which the grooves 10 forming cores can be drawn in the longitudinal direction as rails be trained. The projections in the lid press the upper one Reinforcement 12 in the concrete. By applying heat to the mold the setting of the concrete can be accelerated. With a A variety of ladles can formwork panels in series getting produced.
  • a quasi-endless formwork panel belt can be used continuously manufactured and individual plates after Setting of the concrete.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Laminated Bodies (AREA)
  • Panels For Use In Building Construction (AREA)
  • Saccharide Compounds (AREA)
  • Holo Graphy (AREA)
  • Graft Or Block Polymers (AREA)

Claims (14)

  1. Panneau de coffrage mince en béton, pouvant être transporté et posé manuellement pour un composant en béton armé, qui est constitué par une plaque plane et par une armature (4) qui procure uniquement la solidité au panneau de coffrage (1), à l'état installé, et est constituée par au moins deux ensembles de fils (5, 6) qui se croisent et sont réalisés en un matériau résistant à la corrosion et sont noyés dans du béton au moins dans la partie du panneau de coffrage, qui est sollicitée en traction à l'état monté, les bords (13) du panneau de coffrage étant biseautés sur le côté (9) tourné vers le béton coulé sur place, sous l'effet d'un biseautage qui s'étend jusqu'à la face supérieure du panneau de coffrage de telle sorte que l'armature (17) devant être insérée dans la pièce en béton armé peut être appliquée directement sur le panneau de coffrage et par conséquent est également protégée vis-à-vis de la corrosion dans la zone de joint, et dans lequel la surface essentiellement plane du panneau de coffrage, qui est tournée vers le béton coulé sur place (18), est réalisée de telle sorte qu'à l'état l'installé, une liaison intime est garantie entre le panneau de coffrage et le béton coulé sur place.
  2. Panneau de coffrage selon la revendication 1, caractérisé en ce qu'une armature (12) formée d'ensembles de fils (5, 6) qui se croisent est noyée dans le béton également dans la zone du panneau de coffrage (1) qui est sollicitée en compression à l'état monté.
  3. Panneau de coffrage selon la revendication 1 ou 2, caractérisé en ce que les ensembles de fils (5, 6) sont parallèles aux côtés (13) du panneau de coffrage (1).
  4. Panneau de coffrage selon la revendication 1 ou 2, caractérisé en ce que les ensembles de fils (5, 6) sont reliés entre eux au niveau des points de croisement de leurs fils par collage, soudage ou recouvrement par un revêtement.
  5. Panneau de coffrage selon la revendication 1 ou 2, caractérisé en ce que les ensembles de fils (5, 6) sont entrelacés.
  6. Panneau de coffrage selon la revendication 1 ou 2, caractérisé en ce que les ensembles de fils (5, 6) sont formés de fibres de verre.
  7. Panneau de coffrage selon la revendication 1 ou 2, caractérisé en ce que le poids spécifique de l'armature est compris entre 50 g/m2 et 200 g/m2.
  8. Panneau de coffrage selon l'une des revendications précédentes, caractérisé en ce que le côté (9) du panneau de coffrage (1), qui est prévu pour le dépôt du béton coulé sur place (18), possède une configuration augmentant l'adhérence entre le panneau de coffrage et le béton coulé sur place.
  9. Panneau de coffrage selon la revendication 8, caractérisé en ce que le côté (9) du panneau de coffrage (1), qui est prévu pour le dépôt du béton coulé sur place (18), comporte des évidements en contre-dépouille (10).
  10. Panneau de coffrage selon l'une des revendications précédentes, caractérisé en ce que le panneau de coffrage (1) possède une épaisseur d'au moins 2 cm.
  11. Panneau de coffrage selon l'une quelconque des revendications précédentes, caractérisé en ce que le panneau de coffrage possède de préférence une longueur comprise entre environ 100 cm et une largeur d'environ 50 cm.
  12. Panneau de coffrage selon l'une des revendications précédentes, caractérisé en ce que les fils insérés dans le panneau de coffrage (1) sont constitués par des fibres de verre résistantes aux alcalis.
  13. Panneau de coffrage selon l'une des revendications précédentes, caractérisé en ce que le panneau de coffrage (1) comporte une couche isolante (35) sur le côté (3) tourné à l'opposé du béton coulé sur place.
  14. Panneau de coffrage selon la revendication 13, caractérisé en ce que la couche isolante (35) est fixée au panneau de coffrage (1) au moyen d'éléments d'ancrage (36).
EP95922411A 1994-06-22 1995-06-20 Panneau de coffrage en beton Expired - Lifetime EP0832335B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4421839A DE4421839C1 (de) 1994-06-22 1994-06-22 Schalungstafel aus Beton
DE4421839 1994-06-22
PCT/DE1995/000820 WO1995035422A1 (fr) 1994-06-22 1995-06-20 Panneau de coffrage en beton

Publications (2)

Publication Number Publication Date
EP0832335A1 EP0832335A1 (fr) 1998-04-01
EP0832335B1 true EP0832335B1 (fr) 1999-09-08

Family

ID=6521226

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95922411A Expired - Lifetime EP0832335B1 (fr) 1994-06-22 1995-06-20 Panneau de coffrage en beton

Country Status (6)

Country Link
EP (1) EP0832335B1 (fr)
JP (1) JPH10504359A (fr)
AT (1) ATE184351T1 (fr)
AU (1) AU2731795A (fr)
DE (2) DE4421839C1 (fr)
WO (1) WO1995035422A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29605663U1 (de) * 1996-03-27 1997-07-24 Döllen, Heinz von, 58239 Schwerte Aus rechteckigen Faserbetonplatten bestehende verlorene Schalung
AT408004B (de) * 1998-02-19 2001-08-27 Ritzinger Otto Betonfertigwandschalelementsystem
CN100381656C (zh) * 1999-11-29 2008-04-16 邱则有 一种钢筋砼填充用薄壁盒
DE10004917A1 (de) * 2000-02-04 2001-08-09 Dorn Joerg Schalbrett für eine verlorene Schalung und Verfahren zu dessen Herstellung
DE102010011430A1 (de) * 2010-03-15 2011-09-15 Kurt Koch Verfahren für den Bau des Nullenergiehauses in Schalenbauweise durch Ausschäumen aller Wände, Decken und Bedachung
US20140205800A1 (en) * 2013-01-23 2014-07-24 Milliken & Company Externally bonded fiber reinforced polymer strengthening system
DE102014000316B4 (de) * 2014-01-13 2016-04-07 Goldbeck Gmbh Verbundbauteil aus auf Stahlträgern aufgelagerten Deckenbetonfertigteilen
DE102017206318A1 (de) * 2017-04-12 2018-10-18 Mako Gmbh & Co. Kg Schalungstechnik Schalungselement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD41435A (fr) *
DE1705248U (de) * 1954-06-18 1955-08-18 Karl Knollema Als bauelement verwendbare betonverschalung.
DE6928558U (de) * 1969-07-18 1969-11-20 Georg Hubmann Vorgefertigte stahlbetonschale zur herstellung von mantelbeton an betonkoerpern
DE2521577A1 (de) * 1975-05-15 1976-11-18 Klaus Dieter Ing Grad Ronig Einschaltafel mit abstand - halter - noppen fuer stahlbeton - decken
DE7714361U1 (de) * 1977-05-06 1977-08-25 Babcock-Bsh Ag Vormals Buettner- Schilde-Haas Ag, 4150 Krefeld Platte, vorzugsweise aus gips, zur herstellung einer verlorenen schalung
IT1085186B (it) * 1977-09-13 1985-05-28 Ar Co Edil Di Maroni Francesco Casseratura prefabbricata a perdere termo e fono isolante
DE3273003D1 (en) * 1982-05-24 1986-10-09 Imre Szombathelyi Improved method for erecting reinforced concrete building structures
US4910076A (en) * 1986-03-11 1990-03-20 Mitsubishi Kasei Corporation Fiber reinforced cement mortar product

Also Published As

Publication number Publication date
EP0832335A1 (fr) 1998-04-01
JPH10504359A (ja) 1998-04-28
WO1995035422A1 (fr) 1995-12-28
AU2731795A (en) 1996-01-15
ATE184351T1 (de) 1999-09-15
DE59506813D1 (de) 1999-10-14
DE4421839C1 (de) 1996-01-18

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