EP1647651A2 - Panneau de coffrage revêtu - Google Patents

Panneau de coffrage revêtu Download PDF

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Publication number
EP1647651A2
EP1647651A2 EP05109652A EP05109652A EP1647651A2 EP 1647651 A2 EP1647651 A2 EP 1647651A2 EP 05109652 A EP05109652 A EP 05109652A EP 05109652 A EP05109652 A EP 05109652A EP 1647651 A2 EP1647651 A2 EP 1647651A2
Authority
EP
European Patent Office
Prior art keywords
coating
formwork
weight
panel
frame
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.)
Withdrawn
Application number
EP05109652A
Other languages
German (de)
English (en)
Other versions
EP1647651A3 (fr
Inventor
Dr. Jürgen Schlenker
Klaus Hagemes
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.)
Harsco Infrastructure Services GmbH
Original Assignee
Huennebeck GmbH
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 Huennebeck GmbH filed Critical Huennebeck GmbH
Publication of EP1647651A2 publication Critical patent/EP1647651A2/fr
Publication of EP1647651A3 publication Critical patent/EP1647651A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/05—Forming boards or similar elements the form surface being of plastics
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G2009/023—Forming boards or similar elements with edge protection
    • E04G2009/025—Forming boards or similar elements with edge protection by a flange of the board's frame

Definitions

  • the invention relates to a formwork panel, in particular for the construction of concrete structures.
  • the invention relates to a plate-shaped formwork panel, which is arranged on or in a frame and thus forms a formwork element.
  • the invention relates to a method for producing and, in particular, for renewing or repairing such formwork elements or panels.
  • formwork elements or formwork panels made of wood, such as plywood, produce have the disadvantage that they swell by penetrating moisture, under heavy use, the protective impregnating layer is destroyed, and the surface furs on. Therefore, it offers an additional point of attack for penetrating water. Also lead nail holes that are hammered into the formwork element during use, damage to the veneer layer or the protective impregnating layer, so that there is also water can penetrate. Finally, transport and handling of the known formwork elements in rough construction site operation lead to damage to be created with the concrete surfaces in the field of view of the formwork. The life of such plywood existing formwork elements is thus limited,
  • formwork elements such as formwork panels can be repaired, for example, by filling small damage or even Implementleren of repair tiles for large-scale damage.
  • the plywood board is thereby structured in its surface, which is undesirable in the construction or production of concrete surfaces.
  • a method for producing a formwork panel for concrete formwork is already known, to increase the service life of the formwork panels are made of a wood material formwork panels, preferably a special for the construction industry locked plate or a pressboard, at least at their provided with a coating on opposite sides.
  • the coating consists of a fiberglass mat impregnated with a thermosetting resin, which is cut to the surface of the board to be coated and has a thickness of about 2 mm.
  • a sandwiched bottom glass fiber mat, the wood board and a upper impregnated glass fiber mat inserted in a lower tool of a press.
  • the pressing tool and the impregnated glass fiber mats are cured under pressure and a temperature of about 140 ° C.
  • the resin and the glass fiber mat flows around the edges of the formwork panel so that a closed coating is formed.
  • the glass fiber mat is tailored specifically with a small undersize with respect to the surface of the formwork panel.
  • a resin impregnated and softened by prolonged storage glass fiber mat is used for this process.
  • the glass fiber mat is in this case an adhesive connection with the surface and the edges of the wood material, the resulting coating should be highly smooth.
  • European Patent Application EP 0 401 551 A1 describes a method for coating a plywood panel.
  • the green sheet or board that has already been removed from the coating is coated on its upper side with a first base layer of a solvent-containing liquid synthetic resin mixture via a slot die. which then cures.
  • the bottom of the formwork panel is coated in the same manner as the top.
  • the gap between the metal frame and the cut edges of the formwork panel is closed with a self-hardening filler.
  • a two-ply cover layer of a liquid synthetic resin mixture is applied to the top layer provided with the base layer, which later comes into contact with the concrete.
  • a lower cover layer is sprayed onto the still liquid cover layer, a fine-grained hard granules is inflated and immediately followed by an upper cover layer of the same coating material as the lower cover layer sprayed. Thereafter, the intermeshing partial layers harden with the granulate inclusions to form a cover layer.
  • the coating process is very complicated due to the large number of layers to be applied and the additional time required to cure the base layer.
  • the cut edges are to be individually coated in a further working step.
  • the plate In order to accelerate the hardening of the base layer, in an additional work step, the plate can be placed in a climatic cabinet with a high humidity,
  • the patent application DE 1 02 06 859 Al discloses a coated with a thermoset plastic wood panel. Again, there is a risk of swelling in the presence of moisture for the carrier made of wood.
  • the published patent application EP 1 273 738 A2 discloses a plastic plate-shaped carrier which, at least on one side, has one, the scarf surface forming film is covered, which is interchangeably fixed by means of heat-deactivatable adhesive on the carrier.
  • the adhesive In extreme environmental conditions, especially high temperature, warm climate, strong sunlight, etc, there is a risk that the adhesive is deactivated and the film dissolves prematurely.
  • Known formwork elements usually consist of a peripheral frame in which the formwork panels are inserted.
  • a part of the frame revolves around all the side edges of the formwork panel.
  • This part of the frame projects beyond the surface of the formwork panel by 1 to 2 mm, so that the formwork panels usually made of wood materials do not overflow in the swollen state protrude the frame.
  • the finished formwork panel is inserted into the frame after coating with a surface forming the formwork skin and locked by fastening means, such as rivets and the like.
  • the head of the fastener projects beyond the surface and is therefore disadvantageously on the concrete surface.
  • multi-layer sandwich panels made of polypropylene foam or polypropylene honeycomb core with cover-sided aluminum reinforcement are known.
  • the connection with the aluminum reinforcement takes place under high pressure and temperature.
  • the aluminum surface is not a useful formwork, as it promotes concrete adhesion and is very expensive to repair.
  • Such sandwich panels are also known with a thermoplastic coating, but in the long term due to wear and scratching and especially after complex repair has only an insufficient surface quality.
  • the known from the prior art plate-shaped carrier which is covered with a metal layer and reinforced, receives a formwork coating of a thermoset or resin and thus forms a formwork panel, this coating deforms or does not dissolve at high temperatures, a Mending damaged areas is easily possible because similar or similar fillers or topcoats easily connect to the ground.
  • the use of a coated with a metal sheet plastic carrier also has the advantage that it has a better strength at low density and on the carrier Substrate is created, which easily connects with most materials, as opposed to polypropylene, for example.
  • the connection between plastic, for example polypropylene and metal, for example aluminum can be industrial, ie with high pressure and high heat.
  • the Warbe Anlagenung or coating for repair purposes of the provided with metal support can be done without much equipment, ie, for example, by brushing, brushing, doctoring, rolling or spraying the landlord of the formwork elements or even on the site.
  • the plate can not swell. Therefore, it is possible to permanently embed the plates so accurately in the frame that either the uncoated plate or the applied shell coating defined to, in particular horizontally and optionally also vertically flush, terminates with the frame.
  • the fasteners that usually break through the formwork coating must not be solved. This advantageously allows a complete concealment of the fasteners in that attachment of the plate with flat or countersunk heads takes place before coating. The heads of the fasteners are therefore hidden invisibly under the subsequently applied shell coating. Also because of the longer life of the plastic panels compared to plywood products, a more expensive formwork change is less often necessary.
  • the fasteners may of course be hidden in another way, eg. B. by back screwing or gluing the plate. If the frame top and beams form a plane, a continuous coated surface can be made. In contrast, when the carrier is lowered against the frame top, the delicate carrier is better protected against damage during transport and construction. In the molded concrete surface results in a more uniform compared to the prior art surface structure, since the individual Druckafein do not swell to different degrees, so are uniform.
  • the liquid resin is in particular a solvent-free and thus particularly environmentally friendly epoxy liquid resin or PUR product, modified in terms of flexibility, chemical resistance and mold release.
  • PUR product modified in terms of flexibility, chemical resistance and mold release.
  • the proposed hardener results in a duromer with the desired properties for formwork panels.
  • Placed on the proposed support plate results in a sandwich construction with increased wear and bending strength. This also applies mutatis mutandis to the PUR product described below.
  • the mentioned hardener results in cold deformation material and surface properties, which corresponds to the application in the highest degree.
  • the two-component plastic can be added to the surface of the carrier before the application of a flow additive, which favors a self-leveling of the flowable plastic on the surface and thus compensates for the application of the coating, this to a uniform coating with a flat surface.
  • the PUR product has the same advantages as the invention described above, such as the epoxy product. In addition, it has the advantage that it is less brittle at low temperatures, ie is at risk of breakage and break-off than the epoxy product. Adjacent formwork panels are often provided for visual reasons along the common butt joint with profiles that are nailed. At low temperatures, the epoxy coating can therefore flake off over a large area. Tests have shown that this is avoided with the PUR product at temperatures down to minus 15 ° C. At colder temperatures, construction site operation is anyway unthinkable. According to the invention, a fabric inserted into the coating is also provided, which absorbs the tensile stresses and absorbs the forces, eg. B. when hammering nails, absorbs more uniform.
  • a 200-300 ⁇ m thick coating can be sprayed / applied onto the horizontal substrate (eg adhesion promoter). Then the fabric is placed, which sucks in the still flowable coating and therefore is firmly connected to the substrate. This is followed by spraying / application of a final coating of about 500-600 ⁇ m, which runs independently and thus forms a smooth surface.
  • the horizontal substrate eg adhesion promoter
  • the fabric is woven from polypropylene (PP) threads, which are sufficiently flexible even at low temperatures and thus prevent the above-described chipping of the coating with.
  • PP polypropylene
  • the Threads or the fabric sucks quickly full without the threads or fibers, as in the glass fiber fabric, erect, which makes a costly smoothing of the coating surface unnecessary. The processing is thus easier.
  • the fabric is stressed regardless of the composition of the adhesive, but the low temperature suitability is greatest in conjunction with the PUR coating.
  • holes that can not be filled are sawed out, cut out or drilled out, and a stopper is obtained, which is then optionally primed. Subsequently, the entire carrier is extensively coated so that the patched areas are not visible, for example by hand spatula or brush, after curing, z. B. by evaporation of the solvent, a particularly smooth surface forms, which forms the formwork, the carrier must not be taken if necessary out of the frame.
  • the inventively proposed composition of the scarf coating has the advantage that a smooth, but side mat surface is formed.
  • the concrete surface cast in this way has a more valuable appearance and irregularities are less noticeable than with mirror-smooth surfaces.
  • the formwork panel is mounted in a frame.
  • the frame gives additional stability regardless of the mechanical properties of the plate-shaped carrier.
  • the frame encloses and holds the edge of the carrier, of course also additional stiffeners can be provided longitudinally or transversely of the carrier.
  • the top of the frame is flush with the metallic surface of the plate-shaped carrier. This facilitates the coating, since the adjacent edge of the frame, which adjoins the plate-shaped support can be easily coated.
  • the usual removal of the carrier for coating is eliminated, also no loosening and tightening of the attachment points through the surface of the support is necessary, concrete walls that are cast with such a shell element, have fewer transitions, since the transition between frame and plate-shaped support invisible or almost invisible. In practice, fine cracks may appear in the coating at the transition, but they leave less conspicuous traces of the concrete surface compared to the prior art.
  • Such an accurate transition between support and frame is not possible with conventional wood-containing formwork elements, since the supports can swell and are less dimensionally stable.
  • an epoxy stoker with a thickness of 5-10 ⁇ m on the surface of the upper metal layer offers the advantage that this mediator can be applied even in industrial production of the carrier. This is important because oxides have formed during the pressing of the carrier plate with the metal plate, which impair a later connection with the coating.
  • the primer thus allows a coating by simple means (brush, etc.) at the landlord or even on the site,
  • the dimensions given for the thicknesses and dimensions of the metal layer, of the adhesion promoter, of the core and of the coating provide for good handleability (transport, processing, Repair) of the plate, its low weight in relation to rigidity and efficient erection on the job site.
  • the switchboard 3 is inserted and fixed, The insertion is made against a horizontal and vertical stop surface 1 1, 12, wherein the vertical Stop surface 11 is usually not directly in contact with the wood support plate 9, the resulting gap allows space on the one hand for moisture swelling support plate 9 and on the other hand, a strainer, which also facilitates the lateral penetration of moisture into the plate disadvantageously ,
  • a fastening means such as a rivet or screw 2 which is anchored in the horizontal stop surface 1 2 of the frame 1
  • the panel 3 is pressed into the frame, this presses the screw head 21 against the top 91 of the panel 3.
  • the screw head 21 projects beyond while the applied on the wooden support plate 9 thermoset plastic coating 91 whose surface determines the appearance of the concrete parts to be formed, Therefore, the screw head 21 is also formed in the concrete surface.
  • the frame top 13 dominates the thermoset plastic coating 91 of the support plate 9, This prevents that when swelling the wood support plate 9, the frame top 13 is surmounted by the thickened by the swelling plate 3,
  • FIG. 2 shows an exemplary embodiment of a formwork panel according to the invention, in which frame 1 and formwork panel 3 bear a common coating 34.
  • the frame 1 with horizontal and vertical abutment surface 11,12 and frame top 13 corresponds in function and designation explained in Fig. 1 elements,
  • the plate-shaped form panel 3 is constructed differently, the PP support plate 30 is coated on both sides with an aluminum sheet 31 which gives the composite plate additional stability.
  • a fastener is a countersunk or countersunk rivet 2 with a correspondingly shaped countersunk head 21, This allows the head 21 does not or only slightly surmounted the provided with the aluminum sheet 31 support plate.
  • Insignificant in the sense of the invention means that the countersunk head 21 has no influence on the surface of the subsequently applied coating 32, which completely covers the upper aluminum sheet 31 and the countersunk head 21 and therefore can no longer be seen on the cast-off concrete component,
  • the coating 32 extends over the butt joint between the vertical abutment surface 11 and the side edge of the shuttering panel in such a way that the frame top 13 and the shuttering panel 35 are uniformly coated. This is made possible in that the surface of the upper aluminum sheet 31 is flush with the frame top side 13. Small differences in height are insignificant according to the invention as long as a uniform surface is formed after application of the coating 32.
  • FIG. 3 shows an alternative embodiment of the formwork panel according to the invention, in which the formwork panel 3 is lowered in the frame 1 and only the formwork panel 3 carries a coating 34.
  • the frame 1 and the panel 3 essentially correspond to the elements explained under FIG.
  • the plate-shaped form panel 3 is lowered relative to the upper side 13 of the frame. In this case, only a coating of the panel 3 is desired and the unintentional coating of the frame top 13 difficult. The latter can cause the frame to get thicker and thicker.
  • shuttering panels in the aforementioned sense are also to be understood as panel formwork systems, formwork skins, construction shells and coverings for scaffolding systems and similar purposes.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Laminated Bodies (AREA)
EP05109652A 2004-10-15 2005-10-17 Panneau de coffrage revêtu Withdrawn EP1647651A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004050564A DE102004050564A1 (de) 2004-10-15 2004-10-15 Beschichtete Schaltafel

Publications (2)

Publication Number Publication Date
EP1647651A2 true EP1647651A2 (fr) 2006-04-19
EP1647651A3 EP1647651A3 (fr) 2008-05-07

Family

ID=35709066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05109652A Withdrawn EP1647651A3 (fr) 2004-10-15 2005-10-17 Panneau de coffrage revêtu

Country Status (2)

Country Link
EP (1) EP1647651A3 (fr)
DE (1) DE102004050564A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007128256A1 (fr) * 2006-05-06 2007-11-15 Peri Gmbh Tête de rivet ou de vis pour coffrage à béton
EP1857611A2 (fr) 2006-05-16 2007-11-21 Hühnebeck Group Gmbh Procédé de réparation de la surface d'un support en forme de plaque
CN104878919A (zh) * 2015-06-09 2015-09-02 林锋 加强型铝塑复合结构多层中空建筑模板
CN107905521A (zh) * 2017-10-27 2018-04-13 深圳市东深工程有限公司 一种应用于楼房施工的铝木混合模板
WO2018158432A1 (fr) * 2017-03-02 2018-09-07 pro-coaching e.U. Élément de coffrage
CN108952142A (zh) * 2018-07-26 2018-12-07 荆门它山之石电子科技有限公司 一种复合建筑用模板

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007000721A1 (de) 2007-09-11 2009-03-12 Hünnebeck Group GmbH Schalungselemente für Decken nebst Verfahren
DE102008009382A1 (de) * 2008-02-14 2009-08-20 Lothar Bitschnau Schaltafel
DE202009008771U1 (de) 2009-06-25 2009-09-03 Doka Industrie Gmbh Schalungsbauteil
DE102012220751A1 (de) 2012-11-14 2014-05-15 Harsco Infrastructure Services Gmbh Verfahren für die Herstellung von Hochhausdecken nebst Schaltafel
DE102018206238A1 (de) 2018-04-24 2019-10-24 Hünnebeck GmbH Verbindungselement für Schalungen
CN113027116A (zh) * 2021-03-30 2021-06-25 中交第二航务工程局有限公司 便于组合的铝合金模板

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2357516A1 (de) 1973-11-17 1975-05-28 Roland Hauser Schalplatte und verfahren zur herstellung einer schalplatte fuer betonschalung
DE2848154C2 (de) 1978-11-07 1986-04-24 Gerhard 7274 Haiterbach Dingler Schaltafel mit einem Stahlprofilrahmen
EP0401551A1 (fr) 1989-06-08 1990-12-12 hewa bauschalungs gmbh Procédé et produit de revêtement de panneaux de coffrage
DE20012166U1 (de) * 2000-07-13 2000-10-12 Fanelsa Kurt Schaltafel mit Rahmen
DE10206859A1 (de) 2001-02-19 2002-09-19 Dirk Hoffmann Verfahren zum Vergüten durch Beschichten der Oberflächen von Holztafeln, insbesondere von Schaltafeln, und eine beschichtete Holztafel, insbesondere Schaltafel
EP1273738A2 (fr) 2001-03-22 2003-01-08 Thyssen Hünnebeck GmbH Elément de coffrage et procédé pour le fabriquer et le réparer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0748926A (ja) * 1993-08-05 1995-02-21 Otsuka Kogyo:Kk 型 枠
DE4405012C1 (de) * 1994-02-17 1995-10-05 Stera Gmbh Schalplatte
JPH08312132A (ja) * 1995-05-22 1996-11-26 Hayashimoto Kensetsu:Kk 堰 板
DE20017263U1 (de) * 2000-07-13 2001-01-04 Fanelsa Kurt Schaltafel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2357516A1 (de) 1973-11-17 1975-05-28 Roland Hauser Schalplatte und verfahren zur herstellung einer schalplatte fuer betonschalung
DE2848154C2 (de) 1978-11-07 1986-04-24 Gerhard 7274 Haiterbach Dingler Schaltafel mit einem Stahlprofilrahmen
EP0401551A1 (fr) 1989-06-08 1990-12-12 hewa bauschalungs gmbh Procédé et produit de revêtement de panneaux de coffrage
DE20012166U1 (de) * 2000-07-13 2000-10-12 Fanelsa Kurt Schaltafel mit Rahmen
DE10206859A1 (de) 2001-02-19 2002-09-19 Dirk Hoffmann Verfahren zum Vergüten durch Beschichten der Oberflächen von Holztafeln, insbesondere von Schaltafeln, und eine beschichtete Holztafel, insbesondere Schaltafel
EP1273738A2 (fr) 2001-03-22 2003-01-08 Thyssen Hünnebeck GmbH Elément de coffrage et procédé pour le fabriquer et le réparer

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007128256A1 (fr) * 2006-05-06 2007-11-15 Peri Gmbh Tête de rivet ou de vis pour coffrage à béton
EP1857611A2 (fr) 2006-05-16 2007-11-21 Hühnebeck Group Gmbh Procédé de réparation de la surface d'un support en forme de plaque
EP1857611A3 (fr) * 2006-05-16 2008-06-04 Hühnebeck Group Gmbh Procédé de réparation de la surface d'un support en forme de plaque
CN104878919A (zh) * 2015-06-09 2015-09-02 林锋 加强型铝塑复合结构多层中空建筑模板
WO2018158432A1 (fr) * 2017-03-02 2018-09-07 pro-coaching e.U. Élément de coffrage
US11053698B2 (en) 2017-03-02 2021-07-06 Smartering Gmbh Formwork element with signal module for transmitting separating agent content of a separating agent reservoir layer
RU2752859C2 (ru) * 2017-03-02 2021-08-11 Смартеринг Гмбх Опалубочный элемент
CN107905521A (zh) * 2017-10-27 2018-04-13 深圳市东深工程有限公司 一种应用于楼房施工的铝木混合模板
CN107905521B (zh) * 2017-10-27 2020-05-08 深圳市东深工程有限公司 一种应用于楼房施工的铝木混合模板
CN108952142A (zh) * 2018-07-26 2018-12-07 荆门它山之石电子科技有限公司 一种复合建筑用模板

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Publication number Publication date
EP1647651A3 (fr) 2008-05-07
DE102004050564A1 (de) 2006-04-27

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