EP1693526B1 - Fussbodenkonstruktion und Verfahren zu seiner Herstellung - Google Patents

Fussbodenkonstruktion und Verfahren zu seiner Herstellung Download PDF

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Publication number
EP1693526B1
EP1693526B1 EP05016359A EP05016359A EP1693526B1 EP 1693526 B1 EP1693526 B1 EP 1693526B1 EP 05016359 A EP05016359 A EP 05016359A EP 05016359 A EP05016359 A EP 05016359A EP 1693526 B1 EP1693526 B1 EP 1693526B1
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EP
European Patent Office
Prior art keywords
mesh
expanding
floor construction
diaphragm
expanding bodies
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.)
Not-in-force
Application number
EP05016359A
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English (en)
French (fr)
Other versions
EP1693526A3 (de
EP1693526A2 (de
Inventor
Petr Jasan
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Individual
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Individual
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Publication date
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Publication of EP1693526A2 publication Critical patent/EP1693526A2/de
Publication of EP1693526A3 publication Critical patent/EP1693526A3/de
Application granted granted Critical
Publication of EP1693526B1 publication Critical patent/EP1693526B1/de
Not-in-force legal-status Critical Current
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    • 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

Definitions

  • the invention relates to a floor construction of monolithic reinforced concrete, the arrangement of the principal load-bearing elements and the method of its production.
  • the floor construction is made using monolithic technology on formwork and consists of reinforcement, concrete mass and additional expanding material.
  • the first two methods described above form a floor construction with an uneven bottom surface.
  • An even bottom surface is created in the next phase if commanded by the nature of the spanned over room.
  • the third method results in an even bottom surface of the roof construction, however with less weight reduction.
  • Patent document AT 398 218 describes a floor structure with a reduced weight whereby expanded elements, made for example of styrol, are arranged between the floor ribs. Nevertheless, the expanded elements are pierced crosswise by multiple wires in order to firmly fix the expanded elements to the top and bottom horizontal wire plane. This is to prevent them from getting beyond control and flowing away during the casting of concrete.
  • the preparation of the roof construction as well as the preparation of the expanded elements before assembly is therefore extremely work-intensive.
  • Moulded formwork plates are used to allow part of the concrete to flow under the expanded element, thus fixing it from the bottom, which on the other hand makes the floor uneven at the bottom as a lug forms at the position where the plate was placed.
  • DE 22 35924 A1 shows a floor construction according to the preamble of claim 1.
  • the aim of the invention is to present a floor construction which features a reduced weight yet is sufficiently stiff and strong and has a smooth bottom surface - all of those qualities created at the same time.
  • a floor construction according to the invention the subject matter of which is that it consist of a layer of adhesive, through which expanding bodies are laid, around the expanding bodies the reinforcement is arranged so that it forms ribs for the reinforcement in one or multiple ways at different angles while the reinforcement elements run only throughout part of the whole thickness of the floor construction, and while the space between and above the expanding bodies is filled by concrete mass there is a mesh or other mesh-like diaphragm on the bottom layer of the floor construction and the concrete mass is also passing through the mesh in uncovered areas.
  • the expanding bodies are made of a material of lower bulk density than that of the concrete mass or they are hollow elements.
  • the expanding bodies are made of expanded polystyrene and are designed as parallelepipeds both with sharp or otherwise modified edges and with flat or otherwise shaped walls.
  • the mesh placed at the bottom surface of the construction is made of glass fibres or plastic fibres and can be easily penetrated and washed by an adhesive to fix the expanding bodies.
  • the mesh-like diaphragm placed at the bottom surface of the construction is only designed as a supporting layer to fix the position of the expanding bodies.
  • the membrane does not fulfil a load-carrying function to create a suspended ceiling and serves only to stabilise the expanding bodies in the required positions, while it may perform other functions as well.
  • the method of the production of the floor construction consists in applying a separator on the floor formwork, after which a mesh or other mesh-like diaphragm is spread on the formwork, the bottom surfaces of the expanding bodies that are in contact with the mesh or other mesh-like diaphragm are joined to the mesh by penetrating an adhesive through the mesh or by being simply glued onto the other mesh-like diaphragm and the reinforcing elements are placed between the expanding bodies, after which, when the expanding bodies are firmly fixed to the mesh or other mesh-like diaphragm, the concrete mass is cast around the expanding bodies and above them.
  • Fig.1 shows the schematic front view cross-section of the finished floor construction
  • Fig.2 presents the schematic side view cross-section of the floor construction
  • Fig.3 shows the top perspective view of the floor construction in accordance with the invention while being finished.
  • the floor construction in accordance with the invention consists of load-bearing mesh 2, spread on formwork 1, as well as of polystyrene expanding bodies 3, various types of reinforcement and concrete mass 14.
  • the bottom reinforcement is secured in place by retaining elements 5. This is overlain by main bottom longitudinal load-bearing reinforcement 6.
  • spatial reinforcement 7 is laid.
  • the two bottom rods of spatial reinforcement 7 reinforce and complement main longitudinal load-bearing reinforcement 6.
  • Both reinforcements 6 and 7 are situated in concrete ribs.
  • This is followed by cross-wise load-bearing reinforcement 9, top retaining elements 8 of top load-bearing mesh 10, additional top reinforcement 12.
  • extra construction reinforcement 13 is added between spatial reinforcement 7.
  • the top bar of spatial reinforcement 7 and top mesh 10 must be joined, e.g. by lashes 11.
  • a thin layer of adhesive 4 is employed between the bottom load-bearing mesh 2 (ceiling side) and polystyrene expanding bodies 3.
  • the finished floor construction is sufficiently strong, yet features a suitably reduced weight and includes a ceiling surface as well. This is made up of mesh 2, which is even and ready for an application of the final layer, i.e. the finish, such as plaster.
  • mesh-like diaphragm can be used, e.g. a suitable compact cloth which need not be a mesh. This will not fulfil a load-bearing function for building a suspended ceiling, instead it will serve to stabilize expanding bodies 3 in the fixed positions and can perform additional functions, such as fire protection.
  • Fig.3 shows the shapes of polystyrene expanding bodies 3, specifically parallelepiped forms, and their arrangement on formwork 1 or mesh 2.
  • Polystyrene expanding bodies 3 can take on any shape, however, the parallelepiped seems to be the optimum solution. It is essential that the surface by which polystyrene expanding bodies 3 are laid on mesh 2, is flat so that they are not undercast by too much concrete.
  • a flat surface delineated by formwork (the future bottom surface of the floor construction) is treated with a separator on which mesh 2 is spread fixed to which, using a suitable adhesive 4 1 are expanding elements 3 of parallelepiped form.
  • the parallelepipeds can take on different shapes, however, sufficient space must remain between them to place the load-bearing reinforcement which is necessary to provide the total load-bearing capacity and strength of the floor construction.
  • the arrangement of the expanding parallelepipeds may be different, although it is beneficial if the arrangement forms a network of perpendicular load-bearing ribs.
  • This arrangement is most advantageous for the structural analysis calculations, production, transport and storing of the expanding parallelepipeds, for the laying of load bearing and other reinforcement required for the proper and reliable performance of the finished floor construction.
  • reinforcement is placed between the parallelepipeds fixed as described above and finally the whole construction is concreted whereby the space between expanding bodies 3 and a thin, approx. 8cm thick, layer above the top surface of the parallelepipeds is filled by a concrete mix of suitable consistency.
  • a floor construction is formed with an even bottom surface ready for an application of thin layers of plaster, which is sufficiently rigid and has a sufficient load-bearing capacity even for long spans between load-bearing horizontal supports.
  • the expanding parallelepipeds are made as sections of an annulus.
  • reinforcement is combined from industrially produced spatial reinforcement, straight bars, and steel mesh fabric.
  • the bottom mesh used is the type of mesh commonly applied when building thermal barriers on facades and the fixing of expanding parallelepipeds is accomplished using construction adhesives designed specifically for gluing the mesh to polystyrene.
  • the invention includes the method of production suitable for mass application the essence of which consists in applying, on the floor formwork, any separator used for separating concrete from formwork, the formwork treated as described above is then spread with commonly used reinforcement façade mesh.
  • An appropriate façade adhesive is employed to fix the expanding parallelepipeds arranged in accordance with the structural analysis project to the surface obtained as explained above.
  • fixing the expanding parallelepipeds care needs to be taken to ensure that the adhesive penetrates the spread reinforcement mesh as far as the formwork. Neglecting this may in extreme cases lead to the floating of the expanding parallelepipeds during concreting!
  • the main load-bearing reinforcement related to the bottom face of the floor construction, is then placed into the formed ribs in one way as well as the shear reinforcement of the reinforced ribs.
  • the work is substantially simplified by using spatial reinforcement.
  • the placed reinforcement is supported by retaining elements in accordance with the applicable standards. Only bottom bar reinforcement is placed into the ribs in the other (perpendicular) direction unless the structural engineer prescribes the placing of shear reinforcement as well.
  • the spatial reinforcement, and the shear reinforcement if used, must have, after placement into the ribs between the expanding parallelepipeds, its top horizontal edge above the top surface of the expanding parallelepipeds by approx. 25-30 mm.
  • appropriate retaining elements are placed on the top surface of each expanding parallelepiped delimiting a distance of 35mm and a reinforcement mesh 5 to 6 mm in diameter with a 100/100 mm or 150/150 mm mesh size is spread on the elements and fixed to the spatial reinforcement.
  • reinforcement related to the top face of the floor construction is laid on the mesh.
  • the concreting of the prepared floor construction is made using a high quality concrete mix (B30 concrete and above), with a pumpable consistence in a single process step. It is advantageous to start in advance by filling the concrete mix into the ribs up to about 2/3 of their height while simultaneously compacting it with a vibration needle and then top up the concrete mix to the required thickness above the top surface of the expanding parallelepipeds, compact it with a vibration needle or bar and finally level up the top surface.
  • a vibration needle or bar When treating the setting concrete mix the physical-mechanical, and when necessary chemical, specifications of the material of which the expanding parallelepipeds are made should be taken into consideration.

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  • 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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Floor Finish (AREA)

Claims (7)

  1. Deckenkonstruktion, die mit einem monolithischen Verfahren hergestellt und auf Schalung ausgeführt wird, aus Armierungen, Betonmasse und Entlastungskörpern besteht und weiter eine Schicht von Klebstoff enthält, auf der die Entlastungskörper angeordnet sind, wobei um die Entlastungskörper herum die Armierungen so angebracht sind, dass sie die sich in einer Richtung oder mehreren sich schneidenden Richtungen erstreckenden Armierungsrippen bilden und die Entlastungskörper dabei nur mit einem Teil ihrer Dicke in die Deckenkonstruktion eingreifen, wobei der Raum innerhalb und oberhalb der Entlastungskörper mit der Betonmasse ausgefüllt ist, dadurch gekennzeichnet, dass auf der unteren Oberfläche der Deckenkonstruktion das Netzgewebe (2) oder eine andere netzartige Membrane angebracht ist und die Betonmasse (14) das Netzgewebe (2) in dessen freien Abschnitten durchdringt.
  2. Deckenkonstruktion nach dem Anspruch 1, dadurch gekennzeichnet, dass die Entlastungskörper (3) aus einem Material mit niedrigerem Volumengewicht im Vergleich zu der Betonmasse ausgeführt oder als hohle Einzelteile gestaltet sind.
  3. Deckenkonstruktion nach dem Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Entlastungskörper (3) aus Styropor oder Schaumglas ausgeführt sind.
  4. Deckenkonstruktion nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Entlastungskörper (3) als Prismen ausgeführt sind, und zwar mit scharfen oder anders gestalteten Kanten und mit flachen oder anders ausgeformten Wänden.
  5. Deckenkonstruktion nach dem Anspruch 1, dadurch gekennzeichnet, dass das auf der unteren Oberfläche der Konstruktion angebrachte Netzgewebe (2) aus Glas- oder Kunststofffasern ausgeführt ist, wobei es durch den zum Ankleben der Entlastungskörper zu verwendenden Klebstoff (4) gut durchpressbar ist.
  6. Deckenkonstruktion nach dem Anspruch 1, dadurch gekennzeichnet, dass die auf der unteren Oberfläche der Konstruktion angebrachte netzartige Membrane bloß als eine Zuhaltschicht für die Fixierung der Entlastungskörper (3) und gegebenenfalls als eine Brandschutzschicht ausgeführt ist.
  7. Verfahren zur Herstellung der Deckenkonstruktion nach den Ansprüchen 1 bis 6, das den Zusammenbau einer Deckenschalung umfasst, dadurch gekennzeichnet, dass auf die Deckenschalung ein Trennmittel aufgetragen wird, anschließend auf die Schalung das Netzgewebe oder eine andere netzartige Membrane verteilt wird, im Anschluss daran die unteren Oberflächen der Entlastungskörper, die im Kontakt mit dem Netzgewebe oder mit der anderen netzartigen Membrane im Kontakt stehen, mit dem Netzgewebe verbunden werden, indem der Klebstoff durch das Netzgewebe durchgepresst wird, oder mit der anderen netzartigen Membrane einfach verklebt werden und unter die Entlastungskörper die Armierungselemente verlegt werden, wonach die Entstehung der festen Verbindung der Entlastungskörper und des Netzgewebes bzw. der anderen netzartigen Membrane abgewartet wird und um die Entlastungskörper herum sowie auf dieselben die Betonmasse aufgetragen wird.
EP05016359A 2005-02-22 2005-07-28 Fussbodenkonstruktion und Verfahren zu seiner Herstellung Not-in-force EP1693526B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CZ20050111A CZ297936B6 (cs) 2005-02-22 2005-02-22 Stropní konstrukce a zpusob její výroby

Publications (3)

Publication Number Publication Date
EP1693526A2 EP1693526A2 (de) 2006-08-23
EP1693526A3 EP1693526A3 (de) 2008-11-26
EP1693526B1 true EP1693526B1 (de) 2009-11-25

Family

ID=34706122

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05016359A Not-in-force EP1693526B1 (de) 2005-02-22 2005-07-28 Fussbodenkonstruktion und Verfahren zu seiner Herstellung

Country Status (6)

Country Link
EP (1) EP1693526B1 (de)
AT (1) ATE449889T1 (de)
CZ (1) CZ297936B6 (de)
DE (1) DE602005017870D1 (de)
ES (1) ES2338433T3 (de)
PT (1) PT1693526E (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2652402C1 (ru) * 2017-05-18 2018-04-26 Сергей Михайлович Анпилов Способ возведения облегчённых перекрытий многоэтажных зданий

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009001754U1 (de) 2009-02-12 2010-07-15 Hoppe, Christian Abstandshalter und Betondecke mit Abstandshalter
IT1396914B1 (it) * 2009-10-02 2012-12-20 Caboni Pannello nervato prefabbricabile a posa orizzontale, verticale o inclinata.
CN105952047A (zh) * 2016-06-01 2016-09-21 丁艳涛 一种拼装式钢网箱填充体
JP2021070995A (ja) * 2019-10-31 2021-05-06 首都高速道路株式会社 せん断補強材を埋設した膨張材併用軽量コンクリート製床版
JP2021070996A (ja) * 2019-10-31 2021-05-06 首都高速道路株式会社 膨張材併用軽量コンクリート製床版、コンクリート打設方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE786543A (fr) * 1971-07-22 1973-01-22 Williams Geoffrey M J C O Scot Procede perfectionne pour la fabrication de structures en beton
DE2633526A1 (de) * 1976-07-26 1978-02-02 Keller Kg Filigranbau Trogfoermiger schalungskoerper bzw. schalungselement aus glasfaserbewehrtem beton zum herstellen von stahlbeton-rippen- oder -kassettendecken
EP0065089B1 (de) * 1981-05-18 1984-12-05 Carl, Heinz, Ing.grad. Verdrängungskörper
CN1312878A (zh) * 1998-08-20 2001-09-12 哈姆·本杰明·斯泰恩 空心模壳及空心模壳盖
SM200000032A (it) * 2000-10-18 2002-04-21 Din Maurizio Attilio Marino Del Pannello modulare per la realizzazione di edifici in genere, con caratteristiche di isolamento termico ed acustico

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2652402C1 (ru) * 2017-05-18 2018-04-26 Сергей Михайлович Анпилов Способ возведения облегчённых перекрытий многоэтажных зданий

Also Published As

Publication number Publication date
DE602005017870D1 (de) 2010-01-07
ES2338433T3 (es) 2010-05-07
EP1693526A3 (de) 2008-11-26
EP1693526A2 (de) 2006-08-23
ATE449889T1 (de) 2009-12-15
CZ297936B6 (cs) 2007-05-02
CZ2005111A3 (cs) 2005-07-13
PT1693526E (pt) 2010-03-01

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