EP1371794A1 - Poutre en treillis autoportante pour la réalisation de poutres composites en acier-béton - Google Patents

Poutre en treillis autoportante pour la réalisation de poutres composites en acier-béton Download PDF

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Publication number
EP1371794A1
EP1371794A1 EP03425377A EP03425377A EP1371794A1 EP 1371794 A1 EP1371794 A1 EP 1371794A1 EP 03425377 A EP03425377 A EP 03425377A EP 03425377 A EP03425377 A EP 03425377A EP 1371794 A1 EP1371794 A1 EP 1371794A1
Authority
EP
European Patent Office
Prior art keywords
lattice
stringers
concrete
lattice according
posts
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.)
Granted
Application number
EP03425377A
Other languages
German (de)
English (en)
Other versions
EP1371794B1 (fr
Inventor
Franco Mangione
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.)
TECHNOSTUDI SRL
Original Assignee
Tecnostudi Srl
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Filing date
Publication date
Application filed by Tecnostudi Srl filed Critical Tecnostudi Srl
Publication of EP1371794A1 publication Critical patent/EP1371794A1/fr
Application granted granted Critical
Publication of EP1371794B1 publication Critical patent/EP1371794B1/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
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/065—Light-weight girders, e.g. with precast parts
    • E04C5/0653—Light-weight girders, e.g. with precast parts with precast parts
    • 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
    • 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
    • E04C3/26—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 prestressed
    • 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 present invention relates to the field of prefabricated construction elements generally for building and more particularly an improved self-supporting lattice to provide steel-concrete composite beams for housing and industrial building.
  • Beams for building with a composite steel-concrete construction have typically the shape of a reversed T and consist of a large lower plate or sole, several posts perpendicular thereto, and one or more stringers along the top of such posts. Such constructions are embodied upon installation into the concrete casting except for the intrados of the base plate which is subjected to weather and fire.
  • the main object of the invention is to provide a composite beam of the type mentioned above with a lattice fully embodied in the concrete casting and characterized by a base of concrete reinforced with plastic and/or steel fibres able to avoid the need for provisional moulds during the installation.
  • the upper girder of the lattice consists of three or more stringers 1 with a circular or square cross section laying on a plane parallel to the horizontal plane of the base. Such stringers are assembled in pairs each of them engages the upper end of a post 3. Spacers 2 are interposed between each pair of stringers at such upper end of the posts and have the same shape and size as the connected stringers.
  • the lower girder consists of four or more stringers 4 with a circular or square cross section laying on the horizontal plane of the base. They are made integral with posts 3 too in the same way as in the upper girder. The stringers 4 of the lower girder are also assembled in pairs each of them engages the lower end of the posts 3.
  • the reinforcing fibres mixed to the concrete of the bottom give the latter an even limited tensile strength in order to prevent damages or cracks in the bottom which would cause problems in the mechanical strength and/or fire resistance.
  • the bottom is provided with a little upper mould consisting of side holding walls C to which longitudinal L-shaped section bars 8 supported by cross bars 7 connected to posts 3 are secured.
  • the invention provides several cross irons 5 welded to the lower stringers 4.
  • posts 3 have their lower ends together with the lower stringers 4 embodied in the bottom or base F of concrete reinforced with plastic fibres. It should be appreciated that the particular shape of the mould according to the present invention makes the use of any through bolt which would impair the fire resistance unnecessary.
  • Figure 2 shows a simplified embodiment of the invention in which the lattice is not embodied in the bottom of concrete reinforced with fibres but it is applied directly to the bottom in factory.
  • bottom F is provided with longitudinal supporting bars 6 which are integral with the above-mentioned cross irons 5 welded to the lower stringers 4 and are able to make bottom F integral with the lattice.
  • U-shaped cross brackets 9 are also provided which help to make the bottom integral with the casting of the beam and the relative floor.
  • bottom F in order to allow bottom F to be secured to the lattice of the beam, the upper side of bottom F is provided with a plurality of nuts D "embodied" in the bottom in suitable positions and engaging corresponding bolts B which tighten cross irons 5, thus connecting the bottom to the lower stringers of the lattice.
  • such bolts are not through bolts but are embodied in the bottom so that the fire protection is ensured.
  • Still a further advantage of the present invention consists in that the use of a base reinforced with plastic fibres allows a provisional mould of the lower portion of the beam to be avoided. Moreover, fire protection can be either applied in factory or during the installation.
  • the lattice is preferably provided with a rise in factory which is annulled during the installation under the action of the above-mentioned loads.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Building Environments (AREA)
  • Joining Of Building Structures In Genera (AREA)
EP03425377A 2002-06-14 2003-06-11 Poutre en treillis autoportante pour la réalisation de poutres composites en acier-béton Expired - Lifetime EP1371794B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRM20020336 2002-06-14
IT2002RM000336A ITRM20020336A1 (it) 2002-06-14 2002-06-14 Perfezionamenti ad un traliccio reticolare autoportante, per la realizzazione di travi miste acciaio-calcestruzzo per l'edilizia civile ed i

Publications (2)

Publication Number Publication Date
EP1371794A1 true EP1371794A1 (fr) 2003-12-17
EP1371794B1 EP1371794B1 (fr) 2006-09-13

Family

ID=11456368

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03425377A Expired - Lifetime EP1371794B1 (fr) 2002-06-14 2003-06-11 Poutre en treillis autoportante pour la réalisation de poutres composites en acier-béton

Country Status (5)

Country Link
EP (1) EP1371794B1 (fr)
AT (1) ATE339566T1 (fr)
DE (1) DE60308261T2 (fr)
ES (1) ES2269964T3 (fr)
IT (1) ITRM20020336A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003204314B1 (en) * 2003-05-25 2004-11-18 Bendtsen, Bo Mr Precast spanning floor system using steel fibre reinforced concrete
EP1669505A1 (fr) * 2004-12-02 2006-06-14 Velthorst Beheer B.V. Poutre composite en acier-béton avec support ignifuge pour éléments de plafond
EP1752596A2 (fr) * 2005-08-08 2007-02-14 Tecnostrutture SRL Poutrelle de support du type mixte et et méthode pour sa production
ITUD20080179A1 (it) * 2008-07-30 2010-01-31 Tecnostrutture S R L Trave portante a struttura mista
ITUD20090002A1 (it) * 2009-01-07 2010-07-08 Tecnostrutture S R L Trave portante a struttura mista
CN101899877A (zh) * 2009-05-19 2010-12-01 柳忠林 大跨度预应力混凝土梁板小拟框架结构
CN102061770A (zh) * 2010-03-03 2011-05-18 柳忠林 大跨度预应力混凝土梁板拟框架结构的施工方法
WO2016037864A1 (fr) * 2014-09-08 2016-03-17 Technische Universität Wien Double mur en béton armé à haute résistance ou à très haute résistance
CN106088480A (zh) * 2016-06-15 2016-11-09 杭州材智建筑科技有限公司 桁架梁、应用桁架梁的组合梁及应用桁架梁的复合楼盖
CN113882569A (zh) * 2021-10-09 2022-01-04 西南科技大学 一种装配式uhpc钢筋桁架叠合板及其制作方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL136703C (fr) * 1900-01-01
GB854575A (en) * 1958-01-15 1960-11-23 A V I Alpenlandische Veredelun Improvements relating to girders
AT360722B (de) * 1978-05-08 1981-01-26 Bucher Franz Bewehrungselement fuer einen auf biegung beanspruchten bauteil aus stahlbeton
GB2077792A (en) * 1980-03-22 1981-12-23 Tinsley Building Prod Ltd Casting reinforced concrete floors
FR2712326A1 (fr) * 1993-11-09 1995-05-19 Fimurex Elément de construction en béton armé, partiellement préfabriqué.
DE29906967U1 (de) * 1999-04-19 1999-08-12 Ritter, Karl Konrad, 57518 Betzdorf Schalung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL136703C (fr) * 1900-01-01
GB854575A (en) * 1958-01-15 1960-11-23 A V I Alpenlandische Veredelun Improvements relating to girders
AT360722B (de) * 1978-05-08 1981-01-26 Bucher Franz Bewehrungselement fuer einen auf biegung beanspruchten bauteil aus stahlbeton
GB2077792A (en) * 1980-03-22 1981-12-23 Tinsley Building Prod Ltd Casting reinforced concrete floors
FR2712326A1 (fr) * 1993-11-09 1995-05-19 Fimurex Elément de construction en béton armé, partiellement préfabriqué.
DE29906967U1 (de) * 1999-04-19 1999-08-12 Ritter, Karl Konrad, 57518 Betzdorf Schalung

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003204314B1 (en) * 2003-05-25 2004-11-18 Bendtsen, Bo Mr Precast spanning floor system using steel fibre reinforced concrete
EP1669505A1 (fr) * 2004-12-02 2006-06-14 Velthorst Beheer B.V. Poutre composite en acier-béton avec support ignifuge pour éléments de plafond
EP1752596A2 (fr) * 2005-08-08 2007-02-14 Tecnostrutture SRL Poutrelle de support du type mixte et et méthode pour sa production
EP1752596A3 (fr) * 2005-08-08 2007-12-05 Tecnostrutture SRL Poutrelle de support du type mixte et et méthode pour sa production
ITUD20080179A1 (it) * 2008-07-30 2010-01-31 Tecnostrutture S R L Trave portante a struttura mista
ITUD20090002A1 (it) * 2009-01-07 2010-07-08 Tecnostrutture S R L Trave portante a struttura mista
CN101899877A (zh) * 2009-05-19 2010-12-01 柳忠林 大跨度预应力混凝土梁板小拟框架结构
CN101899877B (zh) * 2009-05-19 2014-07-16 柳忠林 大跨度预应力混凝土梁板小拟框架结构
CN102061770A (zh) * 2010-03-03 2011-05-18 柳忠林 大跨度预应力混凝土梁板拟框架结构的施工方法
CN102094458A (zh) * 2010-03-03 2011-06-15 柳忠林 大跨度预应力混凝土梁板拟框架结构
WO2016037864A1 (fr) * 2014-09-08 2016-03-17 Technische Universität Wien Double mur en béton armé à haute résistance ou à très haute résistance
CN106088480A (zh) * 2016-06-15 2016-11-09 杭州材智建筑科技有限公司 桁架梁、应用桁架梁的组合梁及应用桁架梁的复合楼盖
CN106088480B (zh) * 2016-06-15 2018-08-24 杭州材智建筑科技有限公司 桁架梁、应用桁架梁的组合梁及应用桁架梁的复合楼盖
CN113882569A (zh) * 2021-10-09 2022-01-04 西南科技大学 一种装配式uhpc钢筋桁架叠合板及其制作方法

Also Published As

Publication number Publication date
ES2269964T3 (es) 2007-04-01
ATE339566T1 (de) 2006-10-15
ITRM20020336A0 (it) 2002-06-14
EP1371794B1 (fr) 2006-09-13
ITRM20020336A1 (it) 2003-12-15
DE60308261T2 (de) 2007-08-30
DE60308261D1 (de) 2006-10-26

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