EP2157258A2 - Plaque de matière active contenant du ciment agencée de manière mobile et son procédé de fabrication - Google Patents

Plaque de matière active contenant du ciment agencée de manière mobile et son procédé de fabrication Download PDF

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Publication number
EP2157258A2
EP2157258A2 EP09010263A EP09010263A EP2157258A2 EP 2157258 A2 EP2157258 A2 EP 2157258A2 EP 09010263 A EP09010263 A EP 09010263A EP 09010263 A EP09010263 A EP 09010263A EP 2157258 A2 EP2157258 A2 EP 2157258A2
Authority
EP
European Patent Office
Prior art keywords
layer
film
cement
film layer
applying
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Withdrawn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
EP09010263A
Other languages
German (de)
English (en)
Other versions
EP2157258A3 (fr
Inventor
Michael Andreas Müller
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.)
Wewaton GmbH
Original Assignee
PERMATON waterproof constructing Bamberg GmbH
HeidelbergCement AG
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 PERMATON waterproof constructing Bamberg GmbH, HeidelbergCement AG filed Critical PERMATON waterproof constructing Bamberg GmbH
Publication of EP2157258A2 publication Critical patent/EP2157258A2/fr
Publication of EP2157258A3 publication Critical patent/EP2157258A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/182—Underlayers coated with adhesive or mortar to receive the flooring

Definitions

  • the invention relates to a movably mounted cementitious material plate and a method for producing the same.
  • cementitious material panels A variety of uses for cementitious material panels is known because cementitious material can be supplied to a variety of uses, depending on its exact composition.
  • Cement can be applied in so-called cement screed according to DIN EN 13813 as applied to a solid surface, intermediate release or insulating layer, which can either be used directly or provided with further covering or used for further construction, are used, or it can be used as a binder be used in concrete to help other aggregate such as sand, gravel or grit in conjunction with mixing water to cohesion.
  • Concrete additives or additives are known.
  • the use of a cementitious material as concrete floor slab is used for example in the DE 195 34 634 A1 discloses a load-bearing, dense concrete floor slab in which steel wire fibers are embedded.
  • the stability, usability and stability of the base plate serving steel wire fiber elements are introduced into the bottom plate so that it has a density range that allows only openings in this area lying cracks with a maximum width of 0.2 mm.
  • This is a less expensive to produce and cheaper floor plate can be provided, as this is known from the prior art.
  • the base plate disclosed there is based on the finding that a load-bearing, compact concrete floor slab only a narrow area of the concrete has the sealing properties must have, the sealing properties of the remaining area of the plate are of minor importance for the tightness of the bottom plate. Therefore, the reinforcement of the concrete is reduced accordingly.
  • Concrete floor slabs are often, as well as in the DE 41 36 484 C2 described, used to create a concrete tub.
  • side panels as sidewalls which have spaces that are watertight Concrete can be filled. These are placed in such a way embedded in the bottom plate waterstops, that a complete seal at the transitions of the side walls should be ensured to the bottom plate.
  • the freshly applied concrete is subject to processes such as shrinkage, shortening of the concrete as a result of its solidification and evaporation of water, associated with volume reduction in the concrete, and also hydration processes involving heat evolution due to leakage of hydration energy.
  • the residual stress due to the dissipation of the heat of hydration in the young concrete varies from the beginning of the development of the heat of hydration to a temperature maximum, the cooling phase has residual stress with a changed sign. Differences in temperature and humidity between the core and shell of the concrete part lead to inner compulsion. If the inner constraint is superimposed by external constraint from deformation disability, if the young concrete is stored on the ground in such a way that it can not move and react to shrinkage, then there is a considerable potential for cracking due to tensile stresses or collapse.
  • the present invention has for its object to provide an improved movably mounted cementitious material plate and a method for producing the same. This object is achieved by the cementitious material plate having the features of claim 1 and by a method having the features of claim 10.
  • a further object is to provide an improved method for producing cementitious movably mounted material plates. This object is achieved by a method having the features of claim 10. Corresponding subclaims are directed to developments of the movably mounted cementitious material plate and the method used for their preparation.
  • a first embodiment of the invention relates to a movable mounted cementitious material plate whose structure comprises a planum, an insulating layer and at least one cementitious material layer.
  • a film layer is placed between the planum and the insulating layer to which the cementitious material is applied, applied over the floating storage of the overlying structure of insulating layer and cementitious material layer, a medium for providing a storage of the cementitious material on the middle insulation layer is that the cementitious material is movable and thus stored zwangstapsarm and shortening may result in Schwindungs revitalizen and effluent hydration would yield.
  • An embodiment of the cementitious material board according to the invention comprises as a medium for movable and thus advantageously low-tension bearing the cementitious material layer and thus also the insulating layer, which carries the cementitious material as a mediator, on the planum arranged above the film layer a moisture layer over which a lubricant is evenly applied ,
  • Another embodiment relates to the fact that the medium Instead of a moisture and a sliding layer can also consist of two superimposed films with low coefficients of friction, advantageously two polytetrafluoroethylene can be used.
  • the cementitious material may be made of concrete, for example, to create a white tub, or a cement screed, as it is used to produce a footfall or insulating layer on a solid surface.
  • the screed can be arranged above load-bearing floors or on a concrete floor slab.
  • FIG. 1a and 1b exemplifies the construction of a floor panel for use in a white tub.
  • the invention relates to a movable and in the horizontal direction "sliding" and thus zwangslossear stored cementitious material plate, wherein the cementitious material may be a cement screed for producing a screed plate, or a concrete, such as a waterproof concrete, with steel fibers or Plastic fibers, steel mats or plastic mats may be reinforced, other combinations are known in the art.
  • the cementitious material may be a cement screed for producing a screed plate, or a concrete, such as a waterproof concrete, with steel fibers or Plastic fibers, steel mats or plastic mats may be reinforced, other combinations are known in the art.
  • the structure of the cementitious material plate basically includes, as in Fig. 1a shown, a subgrade 3, an insulating layer 6 and at least one cementitious material layer. 7
  • Fig. 1b shows the structure of the cementitious material plate as in Fig. 1a is shown on a soil body 1, which is covered by a film 2, for example a polyethylene film.
  • the sheet 3 may be a clean sheet of low strength unreinforced concrete or another suitable cleanliness layer applied directly to the soil 1 or applied to the sheet the soil is laid out as in Fig. 1b shown.
  • the surface 3 may consist of an underlying floor slab or of a concrete floor slab.
  • a first film layer 4 is now arranged between the subgrade 3 and the insulating layer 6, via which a medium is provided which serves for the insulating layer 6 located above and the cementitious material layer 7 lying above the insulating layer 6, which may be concrete or screed , torsionally sliding, so horizontally sliding, to store on the first film layer 4.
  • WU-concrete or screed layer may consist of a moisture layer, which is uniformly applied to the first film layer 4 and forms a moisture film.
  • the second component of the medium is a lubricating medium or a "lubrication", which is a soft soap, a lubricating soap Substance, polytetrafluoroethylene, a gel containing soap or soft soap, a silicone-based substance, a silicone-based gel or other lubricating medium that behaves chemically inert to the films and insulation materials of the invention can be.
  • the lubricating medium can either be applied directly, for example by spraying, to the moisture layer, or it can be applied to the underside of the insulating layer 6, which is applied to the first film layer 4.
  • the first layer of film 4 is such that the underlying planum is fully occupied.
  • Over the film layer 4, which consist of polyethylene or of polytetrafluoroethylene or which may comprise this, but may also be made of another suitable polymer, can be arranged as a medium for low-tension arrangement of the insulating layer and the cementitious material layer and a second film layer, the consists of polyethylene film or polytetrafluoroethylene film. If two PE films are superimposed, a soil stabilizer is interposed to achieve a lower friction.
  • Suitable film thicknesses are in the range of 100 to 900 micrometers, preferably 200 to 400 micrometers.
  • the preparation of the floating cement-containing invention Material plate first requires the creation of a subgrade, so a correspondingly flat surface on which the other structure can be built.
  • the subgrade may consist of soil, but it may also consist of a suitably suitable low strength class concrete such as C8 / 10. Even a floor slab can represent a planum. Particularly suitable is a very flat planum, which can also be produced with a self-leveling material.
  • a first film layer is applied over the plane, wherein the film layer consists of advantageously overlapping film webs.
  • the next step involves adhering the film webs together so that there is a one-piece layer on the underlying sheet.
  • the medium is applied to this film layer for low-tension storage of the insulating layer or the cementitious material layer carried by it and lying above it.
  • a moisture film in combination with a sliding medium is selected as the medium for floating storage, a moisture film is first produced, which can be provided for example by the spraying of water. Subsequently, the sliding medium is applied, which can be done in the case of pourable lubricating media, such as soft soap or silicone-based gel, by spraying on the moisture layer.
  • the application of water and lubricant can be done in sections and taking into account occupational safety aspects.
  • the insulating material layer may be multi-layered and thus comprise several layers of insulating panels for the corresponding thermal and impact sound insulation, which together form the insulating layer.
  • the sliding medium is applied accordingly on the lowest side of the insulating layer.
  • the application of the sliding medium can be carried out by a spray process, alternatively, the lubricant can be carried out by means of spatula, sword or squeegee.
  • a sliding medium is that the contact between the same and the cementitious material by the intermediate insulating layer, which thus performs a protective function, is avoided.
  • this second film layer can take place by simply rolling out the film webs, preferably overlapping, the film webs being such be bonded or glued together that a closed layer with a low coefficient of friction arises. It should be noted that between two layers of polyethylene a Erdbauflies should always be laid.
  • the medium for low-tension storage of the insulating layer and lying on the insulating layer cementitious material layer provides an improved construction of a screed or concrete slab structure, which allows the solidification of the concrete or cement screed under horizontally movable storage of the plate takes place, so that the Plate is mounted with little restraint and can give rise to occurring stresses. It may be sufficient insofar as a lubricant is only ready for the period of time until the material has reached a temperature compensation to the environment, the shrinkage has largely subsided and no heat of hydration must be dissipated.
  • the inventive storage of the bottom plate therefore allows that the emergence of forced voltage is avoided or substantially reduced. Any successful degradation of lubricant is not disadvantageous insofar as the lubricity, as in the case of the lubricant according to the invention, over a period of at least three to six months is guaranteed.
  • a position securing of the structure can be done by ground anchors. Further measures for securing the position known to the person skilled in the art are known to the person skilled in the art.
  • Example 1 Concrete "Poriment” Flatness: Max. 2 mm to 500 mm in length Description of the surface: open and covered with cement skin air pores on the surface
  • Example 2 Concrete "EasyCrete” Flatness: Max. 1 mm to 200 mm in length Description of the surface: largely smooth, without pores, grooved surface by peeling off with the screed
  • the order of the soft soap was determined by weighing the applied amount: The order amount was about 335 g / m 2 .
  • the cleanliness layer was made using two different concretes, "Poriment” and "EasyCrete". The surfaces of the clean layer were made as described above. On the cleanliness layer, a PE film with a thickness of 0.4 mm was applied in one layer. Then the polystyrene foam boards were laid, the underside of which was previously prepared with a layer of soft soap by application by toothed spatula. On this structure, the actual bottom plate was concreted in a thickness of about 150 mm using a concrete C 30/37. The size of the two plates was about 1000 mm x 1000 mm.
  • a threaded rod with a diameter of 16 mm was glued in each case on the side surfaces of the plates.
  • the pulling force was applied by means of a pulling device of the type "HERION 9 kN or 20 kN" (hydraulic pulling device).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
EP09010263A 2008-08-13 2009-08-08 Plaque de matière active contenant du ciment agencée de manière mobile et son procédé de fabrication Withdrawn EP2157258A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008038919.6A DE102008038919B4 (de) 2008-08-13 2008-08-13 Beweglich gelagerte zementhaltige Werkstoffplatte

Publications (2)

Publication Number Publication Date
EP2157258A2 true EP2157258A2 (fr) 2010-02-24
EP2157258A3 EP2157258A3 (fr) 2011-07-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09010263A Withdrawn EP2157258A3 (fr) 2008-08-13 2009-08-08 Plaque de matière active contenant du ciment agencée de manière mobile et son procédé de fabrication

Country Status (2)

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EP (1) EP2157258A3 (fr)
DE (1) DE102008038919B4 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19534634A1 (de) 1995-09-19 1997-07-03 Silidur Industrieboeden Gmbh Tragende, dichte Bodenplatte aus Beton, insbesondere Stahldrahtfaserbeton und Verfahren zum Herstellen einer derartigen Betonplatte
DE4136484C2 (de) 1991-11-06 1998-04-30 Helmut Hemmerlein Gmbh & Co Ba Betonwanne, sowie Verfahren zur Herstellung dieser Betonwanne

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2546753A1 (de) * 1975-10-18 1977-04-28 Isogleitchemie Handels Gmbh Gleitfolie
DE8702942U1 (de) * 1987-02-26 1987-04-09 GABA-Chemie-Baustoff GmbH, 4630 Bochum Plattenförmige Auflage zur Abdichtung von Terrassen, Balkonen und dgl.
DE4000560C2 (de) * 1990-01-10 1996-08-22 Unger Teppichhaus Gros Und Ein Abdeckfolie zur Verwendung bei der Herstellung von Estrichen und estrichartigen Bodenbelägen
AT5983U1 (de) * 2002-03-14 2003-02-25 Hermann Walter Dipl Ing Mehrlagige gleiteinrichtung für bauwerke
DE202004006629U1 (de) * 2004-04-26 2004-08-19 Hammerer, Ferdinand Bodenplatte mit Kellerwand
DE102006026325A1 (de) * 2006-06-02 2007-12-06 Otto Rogall Estrich mit verklebtem folienartigen Gebilde

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4136484C2 (de) 1991-11-06 1998-04-30 Helmut Hemmerlein Gmbh & Co Ba Betonwanne, sowie Verfahren zur Herstellung dieser Betonwanne
DE19534634A1 (de) 1995-09-19 1997-07-03 Silidur Industrieboeden Gmbh Tragende, dichte Bodenplatte aus Beton, insbesondere Stahldrahtfaserbeton und Verfahren zum Herstellen einer derartigen Betonplatte

Also Published As

Publication number Publication date
DE102008038919A1 (de) 2010-02-25
EP2157258A3 (fr) 2011-07-27
DE102008038919B4 (de) 2016-03-31

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