EP0062096B1 - Poutre en béton - Google Patents

Poutre en béton Download PDF

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Publication number
EP0062096B1
EP0062096B1 EP81108538A EP81108538A EP0062096B1 EP 0062096 B1 EP0062096 B1 EP 0062096B1 EP 81108538 A EP81108538 A EP 81108538A EP 81108538 A EP81108538 A EP 81108538A EP 0062096 B1 EP0062096 B1 EP 0062096B1
Authority
EP
European Patent Office
Prior art keywords
profile
concrete
girder
shaped
box
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
Application number
EP81108538A
Other languages
German (de)
English (en)
Other versions
EP0062096A3 (en
EP0062096A2 (fr
Inventor
Heinrich Dr.-Ing. Bechert
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.)
Individual
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
Priority to AT81108538T priority Critical patent/ATE15395T1/de
Publication of EP0062096A2 publication Critical patent/EP0062096A2/fr
Publication of EP0062096A3 publication Critical patent/EP0062096A3/de
Application granted granted Critical
Publication of EP0062096B1 publication Critical patent/EP0062096B1/fr
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members

Definitions

  • the invention relates to a concrete beam which has a T-profile at least on the upper part.
  • Such beams are manufactured in standard sizes, with a reusable formwork being provided for each size.
  • a larger span or a span between the standard sizes is required. Since the formwork for girders is relatively complicated, it is very expensive to produce special formwork for such intermediate or oversized sizes, which can then only be used in the rarest of cases.
  • GB-PS 560 243 shows a concrete beam in which the top chord is designed as a solid box. Although the form of the box reinforces the girder, it is also necessary to use special formwork for the production. In addition, the carrier is very heavy, requires a high amount of material and also has a large tipping load, so that the tipping stiffness is increased rather than reduced compared to normal carriers.
  • the carrier according to US Pat. No. 1,990,156 is a normal carrier which supports a blanket, the blanket serving as reinforcement and at the same time increasing the tilting rigidity. However, such a beam is neither suitable for free bracing nor to support openwork, non-load-bearing ceiling parts.
  • the object of the present invention is to provide a relatively light girder with a high load-bearing capacity and great tilting rigidity, for which standardized concrete girders are used, which can be enlarged in their span by a relatively simple additional formwork.
  • This is achieved by molding a hollow box-shaped concrete profile that is open at the bottom onto the top flange of the T-profile.
  • you can pre-concrete a standardized concrete beam and then concrete the box-shaped profile using a simple side panel on the top chord.
  • the tipping stability is increased.
  • Another advantage is the fact that the web height remains relatively small, so that the web thickness does not have to be increased unnecessarily. Furthermore, compacting with the vibrating bottle is achieved very cheaply.
  • the box girder is provided with a lost formwork, in particular filled with rigid foam.
  • a lost formwork in particular filled with rigid foam.
  • another formwork for example made of sheet metal, can also be used.
  • the process for producing the concrete girder according to the invention is carried out in several sections, with the girder being pre-concreted without a box profile, then formwork surfaces are attached to both sides of the top cover and a lost formwork between them, and then the hollow box-shaped concrete profile, which is open at the bottom, is concreted.
  • the drawing shows an embodiment of the invention, namely the cross section through a double-T-shaped concrete beam.
  • the beam 1 is a standard beam with the web 2, the beam 3 and the top 4.
  • a box-shaped hollow profile 5 is concreted, the inner cavity of which is filled with hard foam 6.
  • the standard support 1 is first pre-concreted, whereupon the rigid foam 6 is then placed on the top cover 4 and, as shown in dashed lines, 4 simple formwork boards 7 are arranged on the side of the top cover. Subsequently, the hollow box-shaped concrete profile 5, which is open at the bottom, is concreted onto the upper block 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Claims (3)

1. Poutrelle en béton comportant au moins à la partie supérieure un profilé en T, caractérisée en ce qu'un profilé en béton (5) en forme de caisson creux ouvert vers le bas, est formé sur la semelle supérieure (4) du profilé en T.
2. Poutrelle selon la revendication 1, caractérisée en ce que le caisson creux (5) est pourvu d'un coffrage perdu et rempli notamment avec de la mousse dure (6).
3. Procédé pour la fabrication d'une poutrelle en béton, conforme à l'une des revendications 1 et 2, la poutrelle (1) étant préalablement bétonnée sans profilé en forme de caisson (5), puis des planches de coffrage (7) étant placées des deux côtés de la partie supérieure (4), caractérisé en ce qu'un coffrage perdu, notamment en mousse dure (6), est placé entre les planches de coffrage (7), et ensuite le profilé en béton (5) en forme de caisson creux ouvert vers le bas est bétonné.
EP81108538A 1981-03-31 1981-10-20 Poutre en béton Expired EP0062096B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81108538T ATE15395T1 (de) 1981-03-31 1981-10-20 Betontraeger.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3112763A DE3112763A1 (de) 1981-03-31 1981-03-31 "betontraeger"
DE3112763 1981-03-31

Publications (3)

Publication Number Publication Date
EP0062096A2 EP0062096A2 (fr) 1982-10-13
EP0062096A3 EP0062096A3 (en) 1983-05-18
EP0062096B1 true EP0062096B1 (fr) 1985-09-04

Family

ID=6128846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81108538A Expired EP0062096B1 (fr) 1981-03-31 1981-10-20 Poutre en béton

Country Status (3)

Country Link
EP (1) EP0062096B1 (fr)
AT (1) ATE15395T1 (fr)
DE (1) DE3112763A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022174926A1 (fr) * 2021-02-22 2022-08-25 Ipr - Intelligente Peripherien Für Roboter Gmbh Rail de roulement pour un robot, système de robot comprenant un tel rail de roulement, et procédé de production d'un tel rail de roulement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2292278B1 (es) * 2004-10-01 2009-03-01 Structural Research, S.L. Procedimiento para la fabricacion de un elemento estructural para viaductos, puentes o similares y elemento estructural resultante.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1990156A (en) * 1932-12-15 1935-02-05 Leonie S Young Reenforced concrete joist
GB560243A (en) * 1942-10-09 1944-03-27 William George Shipwright Improvements in framed concrete building construction
GB856677A (en) * 1958-08-22 1960-12-21 Monsanto Chemicals Improvements relating to concrete structures
US3336708A (en) * 1964-11-16 1967-08-22 Robert D Rambelle Shoring member for use as temporary support of concrete slabs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022174926A1 (fr) * 2021-02-22 2022-08-25 Ipr - Intelligente Peripherien Für Roboter Gmbh Rail de roulement pour un robot, système de robot comprenant un tel rail de roulement, et procédé de production d'un tel rail de roulement
US12397413B2 (en) 2021-02-22 2025-08-26 Ipr—Intelligente Peripherien Für Roboter Gmbh Running rail for a robot, robot system having a running rail of this type, and method for producing a running rail of this type

Also Published As

Publication number Publication date
EP0062096A3 (en) 1983-05-18
DE3112763A1 (de) 1982-10-07
ATE15395T1 (de) 1985-09-15
EP0062096A2 (fr) 1982-10-13

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