EP0290884B1 - Liaison poutre-poteau résistante au feu pour la construction en béton-armé - Google Patents

Liaison poutre-poteau résistante au feu pour la construction en béton-armé Download PDF

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Publication number
EP0290884B1
EP0290884B1 EP88106889A EP88106889A EP0290884B1 EP 0290884 B1 EP0290884 B1 EP 0290884B1 EP 88106889 A EP88106889 A EP 88106889A EP 88106889 A EP88106889 A EP 88106889A EP 0290884 B1 EP0290884 B1 EP 0290884B1
Authority
EP
European Patent Office
Prior art keywords
steel
concrete
flange
column
columns
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
EP88106889A
Other languages
German (de)
English (en)
Other versions
EP0290884A3 (en
EP0290884A2 (fr
Inventor
Jean-Baptiste Schleich
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.)
Arcelor Luxembourg SA
Original Assignee
Arbed SA
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 Arbed SA filed Critical Arbed SA
Priority to AT88106889T priority Critical patent/ATE80191T1/de
Publication of EP0290884A2 publication Critical patent/EP0290884A2/fr
Publication of EP0290884A3 publication Critical patent/EP0290884A3/de
Application granted granted Critical
Publication of EP0290884B1 publication Critical patent/EP0290884B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04B5/17—Floor structures partly formed in situ
    • E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • E04B5/29—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated the prefabricated parts of the beams consisting wholly of metal

Definitions

  • the invention relates to a fire-resistant bandage support for reinforced concrete construction, in which the open chambers of the steel profile are largely filled with concrete and the outer surfaces of the flanges are exposed, i.e. are not covered with concrete.
  • Supports which are on the flange outer sides, i.e. have no concrete outside the profile contours are described, for example, in DE-PS 28 29 864.
  • the chamber concrete is non-positively connected to the inner web sides of the steel profile in order to avoid detachment of the chamber concrete both at room temperature and at fire temperature.
  • Steel profile cross-section, concrete cross-section and reinforcement steel cross-section contribute proportionately according to their surface area and their temperature-dependent strength. In the event of a fire, the temperature rises and the load is continuously shifted from the steel section to the reinforced concrete section, primarily due to the softening of the flanges, which make up the majority of the steel section.
  • the applicant in LU 84 772 has proposed to arrange at least one additional profile in the concrete that is connected to the web of the main profile, the outside of the flanges have no concrete cover. Since some of the profiles that make up this composite profile are installed in thermally protected zones, there is a high load-bearing capacity under fire guaranteed.
  • the patent LU 85.753 proposed a girder-support connection according to the preamble of claim 1, in which a pull tab is arranged on the upper flange of the support and is connected to the support and the girder in such a way that the pull tab, girder and support Web are essentially in the same plane and that a support plate is welded to the support flange, which has a width which corresponds approximately to the width of the support flange on which it is welded.
  • the course of the moment in the beam is favorable and is partially reduced and transferred to the support.
  • the achieved frame effect allows lateral (horizontal) forces to be absorbed and there is the option of dispensing with other stabilizing elements such as truss or reinforced concrete core.
  • the invention has for its object to provide a refractory bandage support, which is inexpensive.
  • the advantages of the invention are that time-consuming work, such as dowelling and concreting the support web, is eliminated.
  • the exposed support is of aesthetic value and offers numerous attachment options.
  • FIG. 1 shows a support 1 which a bending beam 2 is connected.
  • the support was produced in accordance with the measures described in DE-PS 28 29 864 and essentially consists of a steel profile, chamber concrete and reinforcing bars, which are fastened to the web 6 of the steel profile.
  • dowels 7 were additionally welded onto the beam 6
  • the adhesion of the ceiling concrete 8 is ensured by dowels 9 arranged on the upper flange of the bending beam 2.
  • FIG. 1 shows a pull tab 10, which brings about the bending beam support connection and is embedded in the ceiling concrete, and a support plate 11.
  • the pull tab 10 is advantageously welded to the bending beam flange in the factory and connected to the support via a K-weld seam during assembly.
  • Such a rigid connection has been described in the above-mentioned LU 85 753.
  • FIG. 1 A perspective view of a reinforced concrete construction according to the invention can be seen in FIG.
  • the support 20 was manufactured in accordance with the measures described in LU 86 063 and consists of a profile with a high web, to which a profile with a low web is welded on both sides.
  • the welded dowels 9 projecting into the concrete ceiling 8 can be seen on the exposed upper flange of the beam 2.
  • a head plate 12 can be seen in FIG. 3 between the bending beam 2 and the support. This is connected to the carrier end flanges and web and the pull tab 10 via a weld seam. The presence of a pull tab is not necessary in this embodiment, but allows the choice of a thinner sheet for the head plate 12.
  • the connection of this head plate 12 to the support flange is advantageously established by means of two screws 13 arranged on both sides of the pull tab.
  • the screwed head plate 12 snaps onto a support plate 14 attached to the support in such a way that the tensile forces which occur temporarily during the heating process on the lower flange of the carrier (i.e. the positive bending moments) are introduced into the support.
  • the support plate 12 has a width which corresponds approximately to the width of the support flange to which it is welded.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)

Claims (5)

  1. Construction mixte béton acier qui possède une résistance minimale au feu de la classe ISO 90 et qui se compose de colonnes en profilés d'acier (1, 20), dont les chambres ouvertes (6) sont pour la plus grande partie remplies avec du béton étroitement solidaire desdites colonnes et dont les faces externes des ailes sont nues, ainsi que de poutres en profilés d'acier (2), qui, par l'intermédiaire d'éléments d'ancrage en acier (9) prévus sur les faces supérieures des poutres (2), sont en liaison étroite avec une dalle (8) en béton armée d'acier, lesdites poutres en profilés d'acier (2) étant fixées solidement des deux côtés par l'intermédiaire d'un assemblage rigide et inflexible résistant à la traction et à la pression (10, 12) aux colonnes d'acier (1, 20) revêtues de béton, afin de transmettre en cas d'incendie les moments de flexion depuis les poutres (2) vers les colonnes (1, 20), caractérisée en ce que les poutres en profilés d'acier (2) sont dépourvues d'armature en béton et sont exemptes de protection au feu supplémentaire.
  2. Construction mixte béton acier suivant la revendication 1, caractérisée en ce que la liaison résistant à la traction et à la pression (10, 12) entre les poutres (2) et les colonnes (1, 20) est constituée par une éclisse (10) noyée dans la dalle de béton (8) et soudée à l'aile de la poutre et de la colonne respectivement, ainsi que par une plaque d'appui (11) soudée à l'aile de la colonne sur laquelle repose la poutre (2).
  3. Construction mixte béton acier suivant la revendication 2, caractérisée en ce que l'éclisse (10) est fixée au moyen d'une semelle de recouvrement (12) par l'intermédiaire d'une liaison par vis (13) à l'aile de la colonne.
  4. Construction mixte béton acier suivant une des revendications 2 ou 3, caractérisée en ce que l'éclisse (10) est située à peu près dans le plan des âmes de la poutre et des colonnes.
  5. Construction mixte béton acier suivant une des revendications 1 à 4, caractérisée en ce que les éléments d'ancrage en acier sont constitués de goujons (9) soudés à l'aile supérieure de la poutre formée par un profilé d'acier (2).
EP88106889A 1987-05-14 1988-04-29 Liaison poutre-poteau résistante au feu pour la construction en béton-armé Expired - Lifetime EP0290884B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88106889T ATE80191T1 (de) 1987-05-14 1988-04-29 Feuerfester verband biegetraeger-stuetze fuer den stahlbetonbau.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU86878 1987-05-14
LU86878A LU86878A1 (de) 1987-05-14 1987-05-14 Feuerfester verband biegetraeger-stuetze fuer den stahlbetonbau

Publications (3)

Publication Number Publication Date
EP0290884A2 EP0290884A2 (fr) 1988-11-17
EP0290884A3 EP0290884A3 (en) 1989-03-15
EP0290884B1 true EP0290884B1 (fr) 1992-09-02

Family

ID=19730923

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88106889A Expired - Lifetime EP0290884B1 (fr) 1987-05-14 1988-04-29 Liaison poutre-poteau résistante au feu pour la construction en béton-armé

Country Status (7)

Country Link
EP (1) EP0290884B1 (fr)
JP (1) JPS63308131A (fr)
AT (1) ATE80191T1 (fr)
AU (1) AU603668B2 (fr)
CA (1) CA1302723C (fr)
DE (1) DE3874201D1 (fr)
LU (1) LU86878A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB784383A (en) * 1955-03-01 1957-10-09 Crompton Parkinson Ltd Improvements relating to composite structural members
CA886291A (en) * 1969-01-08 1971-11-23 Dominion Bridge Company Limited Concrete column with connections for steel beams
US4107893A (en) * 1972-05-13 1978-08-22 Rensch Eberhard Prefabricated building structure
IT987789B (it) * 1972-05-26 1975-03-20 Salzgitter Peine Stahlwerke Elemento da costruzione edile specie colonna per costruzio ne edile
DE2658020C3 (de) * 1976-12-22 1979-05-31 Georg Dipl.-Ing. 3320 Salzgitter Droege Auf Stützen aufgelagerte Stahlbetondecke
US4454695A (en) * 1982-01-25 1984-06-19 Person Joel I Composite floor system
US4527372A (en) * 1983-04-26 1985-07-09 Cyclops Corporation High performance composite floor structure
LU85753A1 (de) * 1985-02-01 1986-09-02 Arbed Riegel-stuetzenanschluss
US4783940A (en) * 1985-12-28 1988-11-15 Shimizu Construction Co., Ltd. Concrete filled steel tube column and method of constructing same

Also Published As

Publication number Publication date
EP0290884A3 (en) 1989-03-15
ATE80191T1 (de) 1992-09-15
DE3874201D1 (de) 1992-10-08
AU603668B2 (en) 1990-11-22
CA1302723C (fr) 1992-06-09
JPS63308131A (ja) 1988-12-15
LU86878A1 (de) 1989-01-19
AU1615688A (en) 1988-11-17
EP0290884A2 (fr) 1988-11-17

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