EP0123642B1 - Poutre composite - Google Patents

Poutre composite Download PDF

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Publication number
EP0123642B1
EP0123642B1 EP84630066A EP84630066A EP0123642B1 EP 0123642 B1 EP0123642 B1 EP 0123642B1 EP 84630066 A EP84630066 A EP 84630066A EP 84630066 A EP84630066 A EP 84630066A EP 0123642 B1 EP0123642 B1 EP 0123642B1
Authority
EP
European Patent Office
Prior art keywords
concrete
profiles
web
support according
composite
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
EP84630066A
Other languages
German (de)
English (en)
Other versions
EP0123642A2 (fr
EP0123642A3 (en
Inventor
Jean-Baptiste Schleich
Erwin Lahoda
Jean-Paul Lickes
Emile Reuter
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 AT84630066T priority Critical patent/ATE39723T1/de
Publication of EP0123642A2 publication Critical patent/EP0123642A2/fr
Publication of EP0123642A3 publication Critical patent/EP0123642A3/de
Application granted granted Critical
Publication of EP0123642B1 publication Critical patent/EP0123642B1/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
    • E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete

Definitions

  • the invention relates to composite beams, according to the preamble of claim 1, in particular for supports formed from concrete and at least one profile beam, the open cross-sectional spaces being largely filled with concrete and the outer surfaces of the flanges being exposed. H. are not provided with a layer of concrete. Such supports are used in the construction of houses, halls, warehouses, etc.
  • DE-OS-2 829 864 describes a composite carrier that is on the flange outer sides, i. H. has no concrete outside the profile outline.
  • This profile beam has the peculiarity that the composite means attached to the web are connected to the concrete that only fills the open cross-sectional spaces, and that the concrete is provided with longitudinal reinforcement bars that are held by the composite means.
  • the chamber concrete is non-positively connected to the steel profile cross section by means of welded-on compound on the inside of the 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.
  • 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.
  • Another disadvantage of this construction is that the reinforcement in the concrete is not optimally arranged with regard to the temperature distribution that arises in the beam in the event of a fire.
  • the stiffness of the support around the weak axis is reduced as a result of the flanges' softening.
  • a composite girder which is formed from unreinforced concrete, which is fire-resistant and has good adhesion to steel, and several profiles, the flanges of some profiles having no concrete cover; the latter are only connected to one another by means of screws.
  • the concrete is put under tension during the manufacture of the beams using the screws.
  • the invention has for its object to provide a composite beam of the type mentioned, which avoids the disadvantages mentioned above and is characterized by an increased ability to absorb pressure, bending strength and fire resistance with approximately the same cross section.
  • the composite beams according to the invention which are made up of common hot-rolled beams, but can also consist of welded profiles, have large masses of steel in the fire-protected area.
  • the thermal transition from the outer flanges exposed to fire to the beams embedded in the concrete is poor.
  • the bond between the main profile and the reinforced concrete is guaranteed by welding in a roll carrier cut.
  • These roll carriers or cuts are made in thermally protected zones, which provides a high load-bearing capacity under fire.
  • the manufacturing process of the beam combination by welding is cheap.
  • the carrier according to the invention exhibits excellent behavior in earthquakes. It consists of so much steel - great plastic deformability - as well as a lot of concrete - high internal friction d. H. strong damping. Added to this are the fundamentally different vibration constants of steel and concrete, so that resonance of the beam is effectively prevented in the event of successive earthquake shocks.
  • FIG. 1 shows a quarter of the cross section of a composite beam according to DE-OS-2 829 864 described above.
  • a flange half 11 and part of the web 12 can be seen.
  • the figure shows the course of the isotherms (in degrees Celsius) in such a wide-flange composite carrier after exposure to fire for 60 minutes. It can be seen that the design of this composite beam does not allow large amounts of steel to be built into the cold zones of the concrete.
  • a maximum of three percent reinforcement of the steel-concrete cross-section can be invoiced in construction.
  • T-profiles 24 and 25 are attached to both sides of the web 22 by means of welding.
  • the use of wide T-profiles may make it difficult to create the welding points 28 and is of little interest with regard to the temperature profile under the action of fire.
  • the flanges of the T-profiles are advantageously surrounded by angled reinforcing steel mats 26 and 27 of reinforcing steel. These effectively prevent the concrete from flaking off due to heat.
  • the connections of cross members are simple, z. B. by means of sheet metal welded onto the flanges of the 7 profiles. The distance to be bridged by the sheet metal in the concrete is small and the force introduced through the sheet metal is distributed into the composite beam via the T-profile.
  • the composite girder is ideal for factory production, so that only ready-to-assemble components have to be used on the construction site.
  • the concrete reinforcement (preferably structural steel mat) is placed on the (upper) T-profile using spacers and the concrete is poured into the open profile chamber, whereby running out at both open ends is prevented by means of formwork.
  • the concrete is advantageously vibrated. After the concrete has solidified, the composite girder is turned over and the same process steps are carried out again.
  • the composite girder shown in FIG. 3 has two H-profiles 34 and 35 instead of the T-profiles. Compared to FIG. 2, this primarily entails an increase in the rigidity of the beam around the weak axis. Corresponding elements are identified in FIGS. 2 and 3 with identical reference symbols. It should be noted that here the connection of the H profiles 34 and 35 to the web 22 can also be achieved by means of screwing.
  • FIG. 4 shows two I-profiles, the flanges 44 and 45 of which are exposed and delimit the outer cross section of the composite beam.
  • the two I-profiles are connected to one another via their webs 41 and 42 by means of an H-profile 46.
  • the free space between the different profiles is filled with concrete 43.
  • the concrete reinforcement baskets 47 which can also be used in this embodiment, are welded to the profiles.
  • the connection between profile and reinforced concrete can also be made using dowels.
  • colloidal concrete or fiber-reinforced concrete instead of normal concrete.
  • the metal lying on the edge of the composite beam comes from H or 1 profiles.
  • these parts come from T-profiles.
  • the structure shown in FIG. 2 can be constructed by means of a centrally arranged H-profile, on the web of which two T-profiles are welded, the flanges of which in this case are on the outside.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Building Environments (AREA)
  • Glass Compositions (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Claims (11)

1. Poutre composite, notamment pour colonnes, formée par au moins une poutre profilée en acier (21,44,45) et par du béton, l'intérieur du contour défini par les poutres profilées étant rempli par du béton armé (23, 43) et les surfaces extérieures des ailes n'étant pas revêtues de béton, caractérisée en ce qu'au moins une autre poutre profilée, logée dans le béton, est directement fixée à (aux) âme(s) de la (des) poutre(s) profilée(s) dont les surfaces extérieures des ailes ne sont pas revêtues de béton.
2. Poutre composite selon la revendication 1, caractérisée en ce qu'elle comporte une poutre profilée en H (21), dont les surfaces extérieures des ailes ne sont pas revêtues de béton.
3. Poutre composite selon la revendication 1, caractérisée en ce qu'elle comporte deux poutres profilées en 1 (44,45) dont les surfaces extérieures des ailes ne sont pas revêtues de béton.
4. Poutre composite selon l'une des revendications 1 à 3, caractérisée en ce que les poutres profilées noyées dans le béton sont des profilés en I.
5. Poutre composite selon l'une des revendications 1 à 3, caractérisée en ce que les poutres profilées noyées dans le béton sont des profilés en H (34, 35, 46).
6. Poutre composite selon l'une des revendications 1 à 3, caractérisée et ce que les poutres profilées noyées dans le béton sont des profilés en T (24, 25).
7. Poutre composite selon l'une des revendications 1 à 6, caractérisée en ce que le béton est armé par des treillis (26, 27, 47).
8. Poutre composite selon l'une des revendications 1 à 6, caractérisée en ce que le béton est armé par l'incorporation de fibres, notamment de fibres d'acier.
9. Poutre composite selon la revendication 1, caractérisée en ce que les poutres profilées sont réalisées par soudage.
10. Poutre composite selon l'une des revendications 1 à 6, caractérisée en ce que les différentes poutres profilées sont reliées entre elles au moins en partie par des points de soudure (28).
11. Poutre composite selon l'une des revendications 1 à 6, caractérisée en ce que les différentes poutres profilées sont reliées entre elles au moins en parties par des boulons.
EP84630066A 1983-04-25 1984-04-20 Poutre composite Expired EP0123642B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84630066T ATE39723T1 (de) 1983-04-25 1984-04-20 Verbundtraeger.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU84772A LU84772A1 (de) 1983-04-25 1983-04-25 Verbundtraeger
LU84772 1983-04-25

Publications (3)

Publication Number Publication Date
EP0123642A2 EP0123642A2 (fr) 1984-10-31
EP0123642A3 EP0123642A3 (en) 1985-09-25
EP0123642B1 true EP0123642B1 (fr) 1989-01-04

Family

ID=19730084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84630066A Expired EP0123642B1 (fr) 1983-04-25 1984-04-20 Poutre composite

Country Status (6)

Country Link
US (1) US4571913A (fr)
EP (1) EP0123642B1 (fr)
AT (1) ATE39723T1 (fr)
CA (1) CA1222642A (fr)
DE (1) DE3475929D1 (fr)
LU (1) LU84772A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103498530B (zh) * 2013-10-22 2015-09-30 湖北弘毅建设有限公司 一种预应力齿孔形腹板t型钢混凝土组合梁
DE102018131771B4 (de) 2018-12-11 2022-11-03 Depenbrock Ingenieurwasserbau GmbH & Co. KG Stützvorrichtung zum Abstützen eines Bauwerks und Verfahren zum Sanieren eines Pfahls

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AT386237B (de) * 1984-07-19 1988-07-25 Feichtmayr Josef Langgestrecktes traegerelement fuer tragkonstruktionen und mit solchen traegerelementenhergestellte decke
LU85753A1 (de) * 1985-02-01 1986-09-02 Arbed Riegel-stuetzenanschluss
LU86063A1 (fr) * 1985-08-30 1987-03-06 Arbed Poutrelle composite
DE3837774C1 (fr) * 1988-11-08 1990-05-31 Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen, De
US5152112A (en) * 1990-07-26 1992-10-06 Iota Construction Ltd. Composite girder construction and method of making same
WO1994023147A2 (fr) * 1993-04-01 1994-10-13 Dae Nung Industrial Co., Ltd. Procede de construction d'une structure de poutre en beton precontraint, et poutre continue comportant la poutre en beton precontraint
CA2206830A1 (fr) * 1997-05-15 1998-11-15 Le Groupe Canam Manac Inc. Colonne en acier pour immeuble eleve
KR100312194B1 (ko) * 1999-03-11 2001-11-03 남상국 합성보 및 이를 이용한 구조물 축조 방법
US6561736B1 (en) * 2000-11-17 2003-05-13 Doleshal Donald L Frictional coupler and stiffener for strengthening a section of piling
GB2369833A (en) * 2000-11-23 2002-06-12 Keystone Lintels Ltd Reinforced lintel
CN1302188C (zh) * 2001-02-15 2007-02-28 李戴俊 管状构造物及其模块式建筑组合体
KR100427405B1 (ko) * 2001-03-07 2004-04-17 박재만 피에스에스씨 합성거더
US20040040245A1 (en) * 2002-04-11 2004-03-04 Sinclair Robert F. Building block and system for manufacture
US7174680B2 (en) * 2002-05-29 2007-02-13 Sme Steel Contractors, Inc. Bearing brace apparatus
US7305799B2 (en) * 2002-05-29 2007-12-11 Sme Steel Contractors, Inc. Bearing brace apparatus
US7721496B2 (en) * 2004-08-02 2010-05-25 Tac Technologies, Llc Composite decking material and methods associated with the same
EP1778929A4 (fr) * 2004-08-02 2008-12-31 Tac Technologies Llc Organes structurels manufactures et leurs procedes de construction
US7930866B2 (en) * 2004-08-02 2011-04-26 Tac Technologies, Llc Engineered structural members and methods for constructing same
US8266856B2 (en) 2004-08-02 2012-09-18 Tac Technologies, Llc Reinforced structural member and frame structures
US8065848B2 (en) 2007-09-18 2011-11-29 Tac Technologies, Llc Structural member
JP4616837B2 (ja) * 2004-08-17 2011-01-19 日立機材株式会社 鉄骨梁補強金具
KR100777565B1 (ko) * 2007-01-05 2007-11-16 이창남 콘크리트를 부분 타설한 tsc 보의 강선보강공법(이하 부분타설 tsc 보)
KR100797194B1 (ko) * 2007-04-26 2008-01-29 (주)엠씨에스공법 콘크리트 복합 기둥 및 이를 이용한 건축물 시공방법
FI125954B (fi) * 2008-01-21 2016-04-29 Peikko Finland Oy Betonilaataston liikuntasaumajärjestelmä
US20110030307A1 (en) * 2009-08-10 2011-02-10 Caterpillar Inc. Concrete bar slag container
KR101233931B1 (ko) * 2010-09-30 2013-02-15 김충기 조립식 지지빔구조체 및 조립식 지지빔구조체의 설치방법
WO2012126065A1 (fr) * 2011-03-23 2012-09-27 Entek Pty Ltd Poutre et procédé permettant de renforcer des dalles en béton
US8484915B1 (en) 2012-07-11 2013-07-16 King Saud University System for improving fire endurance of concrete-filled steel tubular columns
CN103437498B (zh) * 2013-09-12 2016-04-20 南京工业大学 用连续吊筋补强腹板开洞压型钢板组合梁及制备安装方法
CN103498532B (zh) * 2013-10-22 2015-09-30 湖北弘毅建设有限公司 一种预应力型钢座式t型钢混凝土组合梁
CN103741877B (zh) * 2013-12-30 2016-07-06 北京工业大学 梯格抗剪装置-钢-压型钢板-再生混凝土组合梁及作法
US9255408B2 (en) 2014-03-17 2016-02-09 Hitachi Metals Techno, Ltd. Column structure and base member
JPWO2015140890A1 (ja) * 2014-03-17 2017-04-06 日立機材株式会社 柱構造及びベース部材
US9422717B2 (en) 2014-03-17 2016-08-23 Senqcia Corporation Column structure and base member
US9464437B1 (en) 2015-12-09 2016-10-11 Naji Mohammed Al-Failkawi Precast I-beam concrete panels
CN107060207A (zh) * 2017-03-22 2017-08-18 赵东昕 一种多腔钢管柱
DE102019000116A1 (de) * 2019-01-11 2020-07-16 HIB Huber Integral Bau GmbH Konstruktive Stahlbauteile
RU190909U1 (ru) * 2019-04-26 2019-07-16 Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский государственный архитектурно-строительный университет" (КазГАСУ) Сталебетонная балка

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103498530B (zh) * 2013-10-22 2015-09-30 湖北弘毅建设有限公司 一种预应力齿孔形腹板t型钢混凝土组合梁
DE102018131771B4 (de) 2018-12-11 2022-11-03 Depenbrock Ingenieurwasserbau GmbH & Co. KG Stützvorrichtung zum Abstützen eines Bauwerks und Verfahren zum Sanieren eines Pfahls

Also Published As

Publication number Publication date
DE3475929D1 (en) 1989-02-09
EP0123642A2 (fr) 1984-10-31
LU84772A1 (de) 1984-11-28
ATE39723T1 (de) 1989-01-15
EP0123642A3 (en) 1985-09-25
US4571913A (en) 1986-02-25
CA1222642A (fr) 1987-06-09

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