EP0866191B1 - Elément de coffrage - Google Patents

Elément de coffrage Download PDF

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Publication number
EP0866191B1
EP0866191B1 EP98104415A EP98104415A EP0866191B1 EP 0866191 B1 EP0866191 B1 EP 0866191B1 EP 98104415 A EP98104415 A EP 98104415A EP 98104415 A EP98104415 A EP 98104415A EP 0866191 B1 EP0866191 B1 EP 0866191B1
Authority
EP
European Patent Office
Prior art keywords
formwork element
formwork
textile
element according
web
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
EP98104415A
Other languages
German (de)
English (en)
Other versions
EP0866191A2 (fr
EP0866191A3 (fr
Inventor
Wolfgang Prof. Dr.-Ing. Brameshuber
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.)
Brameshuber Wolfgang Prof Dr-Ing
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0866191A2 publication Critical patent/EP0866191A2/fr
Publication of EP0866191A3 publication Critical patent/EP0866191A3/fr
Application granted granted Critical
Publication of EP0866191B1 publication Critical patent/EP0866191B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
    • 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 formwork element with an angled profile, consisting from a hydraulically bound matrix in which textile fibers are embedded.
  • the known formwork element consists essentially of a hydraulic set matrix made of concrete, in which textile fibers are embedded.
  • the known formwork element is made by spraying a mixture from the Concrete and the fibers are formed on a molding surface.
  • the fibers are arbitrary oriented and not arranged as a whole as individual fibers.
  • the formwork element has on the side facing away from the mold surface after its manufacture, a rough surface from which individual fibers protrude.
  • the protruding fibers enable an easy and good connection with in-situ concrete, which is in contact with the formwork element for the manufacture of a building arrives. Due to the randomly oriented fibers, one is essentially in all Directions uniform pressure or tensile strength of the formwork element achieved.
  • a prefabricated component is known from EP-A-0 135 374, which essentially consists of a hydraulically bound matrix, in which textile fibers are embedded are.
  • the prefabricated component also has reinforcement that is at least one comprises in one direction coherent textile structure, which from the textile fibers is formed.
  • the known prefabricated building elements are plate-shaped trained, with individual plates joined together to form different objects can be. On the one hand, this can be done by means of a screw connection respectively.
  • fibers could protrude from a matrix be arranged overlapping and then, for example, using cement get connected.
  • the textile structure formed from the textile fibers however not coherent at the junction, only arranged overlapping.
  • the invention is based on the object, a formwork element in question to design and develop the standing type in such a way that it is lighter, thin-walled Design at least in one direction, namely the direction in which the component is exposed to increased pressure or tensile loads, higher pressure or Withstands tensile loads.
  • the formwork element according to the invention solves the above task by Features of claim 1. Thereafter, the formwork element mentioned designed so that the formwork element as a prefabricated element with a Reinforcement in the form of a textile that is connected in at least one direction Formed is formed, which is formed from the textile fibers, and that the textile structure at least over part of the angularly adjacent sections of the profile, so that the textile structure is a three-dimensional reinforcement forms.
  • a textile fabric i.e. an unordered but coherent aggregation of fibers, serve as reinforcement. It is particularly advantageous if the reinforcement is through a textile fabric, i.e. a structure of vertically crossing, properly intertwined threads is formed. Such a fabric is special particularly resilient in the direction of the warp and weft threads. Let also modern weaving machines are already used to weave very different fabrics, also realize three-dimensional structure. As textile reinforcement braids are also possible.
  • the textile structure of the formwork element according to the invention could, for example Glass fibers can be produced or comprise glass fibers.
  • the durability of such Reinforcement depends heavily on the chemical properties of the hydraulic set matrix of the formwork element. So the lifespan of Glass fibers in an alkaline environment only 50 to 100 years. In view of that cement or concrete is often used as the hydraulically set matrix hence the use of textile structures with carbon fibers and / or aramid fibers advantageous that are not attacked by the alkaline environment.
  • the matrix of the formwork element according to the invention is preferably a cement-bound matrix is used, since these have very high stability requirements equivalent. However, it is also possible to implement the invention Formwork elements with another mineral-bound matrix.
  • inventive has proven to be particularly advantageous Formwork elements in the context of integrated formwork systems during manufacture of concrete structures.
  • each individual formwork element With the individual formwork elements, a mold is practically created for the one to be created Concrete body made by the outer shape of the concrete body to be created is reproduced. To do this, each individual formwork element must be in its Position removed or supported, so that the formwork next to its own weight also the weight of the wet concrete together with any reinforcement of the concrete body and other loads that occur during the construction phase wearing. The formwork also needs the concrete during the hardening phase protect against drying out.
  • formwork systems Since the assembly and dismantling of reusable formwork systems is very time-consuming and is associated with a high level of labor, is used in practice frequently integrated formwork systems, i.e. formwork systems that are in or on the created concrete structure remain. Such formwork systems must also be optical Requirements are sufficient, for example, in the visual appearance of the Insert concrete structure.
  • the reinforcement is due to the textile high resilience and load-bearing capacity of the formwork elements according to the invention pointed out at the same time relatively light and thin-walled construction.
  • the Formwork elements can not only be self-supporting, but also so that they can withstand higher loads and next to their own weight also at least a large part of the weight of the building to be built can wear.
  • the reinforcement elements can be embedded in the hydraulically bound matrix, but nevertheless arranged as far as possible on the outside of the formwork element his. As a result, the reinforcement can cause tensile stresses in particular absorb effectively.
  • good post-treatment of the concrete can be guaranteed.
  • the durability of the concrete structure can also be reduced improve.
  • the formwork elements in the statics of built structure to be included.
  • profile parts have a higher surface load capacity than simple panels on.
  • prefabricated parts can easily be made from profile parts Assemble larger surface elements with which even larger spans can be bridged.
  • a formwork element with a angled profile in the context of an integrated formwork affects the angled Profile positive for the creation of a shear connection between the formwork element and the concrete body to be created.
  • Another advantageous possibility is a textile structure with a fleece in the form of protruding individual fibers as reinforcement use. After creating the concrete structure, the fleece is then one-sided in the hydraulically bound matrix of the formwork element and on the other Side embedded in the concrete body of the building.
  • the formwork elements 1 shown in FIGS. 1 to 3 are exemplary embodiments, which consist of a hydraulically bound matrix 2, in which textile fibers are embedded.
  • the textile fibers form a reinforcement 3 in the form of at least one textile structure connected in one direction.
  • the reinforcement is involved 3 each around a textile fabric.
  • the formwork elements 1 shown can be but just as well with reinforcement in the form of a textile scrim or braid realize.
  • the reinforcement 3 can consist of glass fibers, carbon fibers, aramid fibers or a mixture of these fibers.
  • the hydraulically set matrix 2 of the formwork elements 1 is usually be cement bound.
  • the formwork elements 1 of the illustrated exemplary embodiments differ in the shape of their angled profile.
  • Fig. 1 is a substantially U-shaped Formwork element shown that also for bridging larger areas other uniform formwork elements can be clamped together.
  • FIG. 3 shows a series of two uniform formwork elements, which also have a substantially U-shaped profile. However, here is one the leg 4 longer than the other and has one at its free end Right angle arranged extension 5, which is when stringing together extends several uniform profiles over the leg 6 of the adjacent profile.
  • a relative dense formwork can be assembled.
  • Fig. 2 is a formwork element 1 in the form of a large panel element with integrated Web 7 shown that practically already from a string of U-shaped Sections exists.
  • the length of the webs 7 of this profile corresponds to the Wall thickness of the concrete structure to be created. Accordingly, this is shown Formwork element 1 has been filled with in-situ concrete 8.
  • the textile reinforcement extends in all three illustrated exemplary embodiments 3, ie the fabric, over all wall sections of the angled profile of the Formwork elements 1.
  • a flat textile structure can be used, the corresponding placed at an angle and integrated into the matrix 2 of the formwork element 1, or it can also be a textile manufactured in the form of the formwork element 1 Formations, for example an appropriately woven fabric, can be used.
  • the textile structure then represents a three-dimensional reinforcement 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Woven Fabrics (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Surgical Instruments (AREA)
  • Semiconductor Memories (AREA)

Claims (12)

  1. Elément de coffrage avec un profil coudé, constitué d'une matrice (2) prise hydrauliquement dans laquelle sont enrobées des fibres textiles,
    caractérisé en ce que l'élément de coffrage est réalisé en tant qu'élément de construction fini avec armature (3) sous forme d'un produit textile, continu au moins dans une direction, qui est formé par les fibres textiles et que le produit textile s'étend sur au moins une partie des sections du profil adjacentes à angles les unes aux autres de telle manière que le produit textile forme une armature (3) tridimensionnelle.
  2. Elément de coffrage selon la revendication 1,
    caractérisé en ce que le produite est un conglomérat non ordonné.
  3. Elément de coffrage selon la revendication 1,
    caractérisé en ce que le produit est un tissu.
  4. Elément de coffrage selon la revendication 1,
    caractérisé en ce que le produit est un treillis.
  5. Elément de coffrage selon l'une des revendications 1 à 4,
    caractérisé en ce que le produit comprend des fibres de verre.
  6. Elément de coffrage selon l'une des revendications 1 à 5,
    caractérisé en ce que le produit comprend des fibres de carbone.
  7. Elément de coffrage selon l'une des revendications 1 à 6,
    caractérisé en ce que le produit comprend des fibres aramide.
  8. Elément de coffrage selon l'une des revendications 1 à 7,
    caractérisé en ce que la matrice (2) est liée minéralement et de préférence par un ciment.
  9. Elément de coffrage selon l'une des revendications 1 à 8,
    caractérisé en ce que le profil comprend une ou plusieurs sections en forme de U.
  10. Elément de coffrage selon l'une des revendications 1 à 9,
    caractérisé en ce que le produit textile présente des prolongements qui ne sont pas enrobés dans la matrice prise hydrauliquement.
  11. Elément de coffrage selon la revendication 10,
    caractérisé en ce que le produit textile présente des prolongements en forme de treillis de fibres dressés.
  12. Elément de coffrage selon la revendication 10,
    caractérisé en ce que le produit textile présente des prolongements en forme de fibres individuelles dressées.
EP98104415A 1997-03-18 1998-03-12 Elément de coffrage Expired - Lifetime EP0866191B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19711211A DE19711211C2 (de) 1997-03-18 1997-03-18 Schalungselement
DE19711211 1997-03-18

Publications (3)

Publication Number Publication Date
EP0866191A2 EP0866191A2 (fr) 1998-09-23
EP0866191A3 EP0866191A3 (fr) 1999-11-03
EP0866191B1 true EP0866191B1 (fr) 2003-11-12

Family

ID=7823751

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98104415A Expired - Lifetime EP0866191B1 (fr) 1997-03-18 1998-03-12 Elément de coffrage

Country Status (3)

Country Link
EP (1) EP0866191B1 (fr)
AT (1) ATE254223T1 (fr)
DE (2) DE19711211C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101307650B (zh) * 2004-06-09 2010-09-01 邱则有 一种砼填充用开口模壳构件
CN1629433B (zh) * 2003-12-15 2011-04-27 湖南邱则有专利战略策划有限公司 一种模壳构件
CN1978816B (zh) * 2005-12-08 2011-04-27 湖南邱则有专利战略策划有限公司 一种现浇砼空心板

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CN100439619C (zh) * 2002-04-30 2008-12-03 邱则有 一种钢筋砼立体承力结构楼盖
CN100365224C (zh) * 2002-04-30 2008-01-30 邱则有 一种钢筋砼用立体承力模壳
CN100439618C (zh) * 2002-04-30 2008-12-03 邱则有 一种钢筋砼立体承力结构楼盖
CN100365223C (zh) * 2002-04-30 2008-01-30 邱则有 一种钢筋砼用立体承力模壳
CN100386491C (zh) * 2002-04-30 2008-05-07 邱则有 一种钢筋砼立体承力结构楼盖
CN100393954C (zh) * 2003-03-04 2008-06-11 邱则有 一种现浇钢筋砼空心楼盖
CN100516420C (zh) * 2003-03-04 2009-07-22 邱则有 一种空间结构楼盖用预制空腔构件
CN100408784C (zh) * 2003-03-04 2008-08-06 邱则有 一种现浇砼空心模壳构件
CN100439625C (zh) * 2003-10-01 2008-12-03 邱则有 一种模壳构件的现浇砼空心楼盖
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CN101319566B (zh) * 2004-06-09 2012-05-23 湖南邱则有专利战略策划有限公司 一种砼填充用开口模壳构件
CN101319567B (zh) * 2004-06-09 2011-06-08 湖南邱则有专利战略策划有限公司 一种砼填充用开口模壳构件
CN101603368B (zh) * 2004-06-09 2012-09-12 湖南邱则有专利战略策划有限公司 一种砼填充用开口模壳构件
DE102022116063A1 (de) 2022-06-28 2023-12-28 Rheinisch-Westfälische Technische Hochschule Aachen, abgekürzt RWTH Aachen, Körperschaft des öffentlichen Rechts Mehrschichtiges Bauelement für eine Decke, Verfahren zur Herstellung eines mehrschichtigen Bauelements und Verwendung von Textilbetonstreifen

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Publication number Priority date Publication date Assignee Title
CN1629433B (zh) * 2003-12-15 2011-04-27 湖南邱则有专利战略策划有限公司 一种模壳构件
CN101307650B (zh) * 2004-06-09 2010-09-01 邱则有 一种砼填充用开口模壳构件
CN1978816B (zh) * 2005-12-08 2011-04-27 湖南邱则有专利战略策划有限公司 一种现浇砼空心板

Also Published As

Publication number Publication date
EP0866191A2 (fr) 1998-09-23
DE59810119D1 (de) 2003-12-18
DE19711211C2 (de) 2001-05-10
ATE254223T1 (de) 2003-11-15
EP0866191A3 (fr) 1999-11-03
DE19711211A1 (de) 1998-10-01

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