EP1114226B1 - Modular h-beam - Google Patents

Modular h-beam Download PDF

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Publication number
EP1114226B1
EP1114226B1 EP99946427A EP99946427A EP1114226B1 EP 1114226 B1 EP1114226 B1 EP 1114226B1 EP 99946427 A EP99946427 A EP 99946427A EP 99946427 A EP99946427 A EP 99946427A EP 1114226 B1 EP1114226 B1 EP 1114226B1
Authority
EP
European Patent Office
Prior art keywords
flanges
structurals
beam according
plates
holes
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
EP99946427A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1114226A1 (en
Inventor
Nicola Palumbo
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.)
Ben Vautier SpA
Original Assignee
Ben Vautier SpA
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 Ben Vautier SpA filed Critical Ben Vautier SpA
Publication of EP1114226A1 publication Critical patent/EP1114226A1/en
Application granted granted Critical
Publication of EP1114226B1 publication Critical patent/EP1114226B1/en
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
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
    • 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
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • 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
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • 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
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0452—H- or I-shaped

Definitions

  • the present invention relates to an H-beam, that is, to a beam comprising a central part or core, and two side-flanges, and which can be used for constructions, or restorations of buildings, etc.
  • H-beams form solid, that is non-hollow monolithic elements, fabricated according to standardized sizes, and must be necessarily cut in certain cases, in order to adapt to the required span.
  • the beam also has a disadvantageous ratio weight/load bearing capacity. This is seen as a drawback by the consumer, and moreover it complicates transport.
  • the laying of the beam is particularly troublesome, because it is necessary to first introduce one end of the beam in a wall hole, and thereafter to move the whole beam body in the opposite direction, in order to introduce the other end of the beam inside the hole previously realized in the opposite wall.
  • the conventional beam is moreover very bulky in certain specific applications in which civil buildings are to be restored, and it would be advisable to have available a kind of modular beam, and even a lighter beam, that is a beam with an advantageous ratio of weight to load bearing capacity.
  • US 3,224,154 discloses a multi-piece readily assembled building beam, which has a generally rectangular cross-section with opposite side walls and a bottom and top wall.
  • US 3,328,931 discloses an improved beam comprising a pair of channels preferably made of sheet metal and bolted or welded together back to back in a relation in which the channels are slightly offset longitudinally for lapping connection with another beam. Even if the object is to make lighter and less expensive beams, which may be readily assembled, the channels do not have folded flanges as in the present application. Therefore, even if some of the objects are similar, the present application discloses a beam which structurally differs from the beam of US 3,328,931.
  • BE 374 538 discloses a beam comprising two identical U-shaped strips of sheet metal, connected in face contact by their backs, in order to form a core or web of double thickness and lateral fins, and comprising further U-shaped covering strips which enclose said fins and clamp the latter so as to cover them and maintain all components in an assembled state. This document does not disclose a way to connect the components in a staggered way.
  • An object of the present invention is to realize an H-beam of a modular (sectional) kind, so as to eliminate size drawbacks.
  • a further object is to optimize the ratio of weight to load bearing capacity.
  • a third object of the present invention is to include the possibility to adapt the beam features, in the regions (flanges) which are more subject to bending stress, to particular situations or applications, in other words to the load, so as to increase the versatility of the beam.
  • a fourth object of the present invention is to include the possibility of adapting the beam to a definite span, by assembling the same with the use of said modules.
  • the module 1 comprises two identical half-structurals, or half-parts of structural steel, denoted by 2a, 2b.
  • half-structurals 2a, 2b are formed e.g. by a thin-walled steel sheet of 2 mm of thickness.
  • Fig. 2 illustrates the configuration of the half-structural 2b.
  • the half-structurals 2a, 2b are preferably obtained by means of a forming machine, even if the use of a moulding process should not be excluded.
  • the forming machine performs the folding operations in order to obtain the half-flanges 4a, 4b - and 4c, 4d respectively -, of the half-structurals 2b and 2a. It can be noticed that the half-flanges 4a, 4b, 4c and 4d are actually "hollow", that is, they enclose a cavity 5 between two parts of the respective half-flange 4a, 4b, 4c and 4d, connected to each other by a bent portion 6.
  • plates 7, 7' are respectively inserted inside the cavities 5.
  • Plate 7 is introduced in the cavities 5 associated with the half-flanges 4a, 4c, whereas plate 7' is inserted inside the gaps 5 of the half-flanges 4b and 4d.
  • the "filling" plates 7, 7' of the half-flanges are provided with a plurality of holes 8, 8' respectively, and the same is true for both half-structurals, which have holes 9 on their central part (or core) 10, and holes 9'on the flanges, these holes being provided on both parts of each half-flange 4a-4d, in aligned relationship, and also aligned to the holes 8, 8' of the plates 7, 7' (after assembling, as shown in Fig. 1).
  • the holes are used for the connection of all components 2a, 2b, 7, 7', which is obtained by riveting, and in the central part, they serve - in conjunction with the beads 3,3'- in order to avoid instability effects, like an enlargement of the central part and the concomitant detachment of the two parts 10, 10 which form the central part (core) of the beam.
  • Rivets like those used in the aeronautical field are preferably introduced in the holes 8, 8', 9, 9', but the use of bolts or the like is obviously not excluded.
  • the particular construction process allows to distribute the material in a more rational way, thereby reducing the amount of material employed.
  • the lower flange formed by the half-flanges 4b,4d which corresponds to the region more subject to bending stresses, may be strengthened by inserting a plate 7' having an increased thickness and/or an increased width.
  • modules with "symmetric” or “asymmetric” structurals having flanges with different thicknesses and/or widths, to take into account - for the latter case - the greater bending stress of the lower flange 4b, 4d.
  • Holes may be provided between the beads 3, 3', 3", etc. realized on the cores 10 of the half-structurals, said holes being adequately reinforced at their edges and being used as lightening holes or for providing a passage for a system (e.g. lighting system, water supply, etc.).
  • a system e.g. lighting system, water supply, etc.
  • the H-beam according to the present invention may be realized by moulding its components.
  • a forming machine which, starting from a strip, is able to shape it (formation of the beads and the holes for the passage of the systems), and to cut it to the desired size.
  • the advantage with respect to a foundry process is due to the fact that it is not necessary to modify the whole production plant in order to vary - for instance - the thicknesses of the half-flanges 4b, 4d if it is desired to insert a plate 7' with a larger thickness.
  • the structure of the H-beam according to the invention is also advantageous because it allows a greater "flexibility" of the production process as compared to the conventional processes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Aerials With Secondary Devices (AREA)
EP99946427A 1998-09-17 1999-09-02 Modular h-beam Expired - Lifetime EP1114226B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT1998RM000598A IT1302333B1 (it) 1998-09-17 1998-09-17 Trave modulare componibile a doppia "t".
ITRM980598 1998-09-17
PCT/IT1999/000279 WO2000017463A1 (en) 1998-09-17 1999-09-02 Modular h-beam

Publications (2)

Publication Number Publication Date
EP1114226A1 EP1114226A1 (en) 2001-07-11
EP1114226B1 true EP1114226B1 (en) 2003-05-07

Family

ID=11406137

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99946427A Expired - Lifetime EP1114226B1 (en) 1998-09-17 1999-09-02 Modular h-beam

Country Status (7)

Country Link
EP (1) EP1114226B1 (it)
AT (1) ATE239838T1 (it)
AU (1) AU5883399A (it)
CA (1) CA2343792C (it)
DE (1) DE69907702T2 (it)
IT (1) IT1302333B1 (it)
WO (1) WO2000017463A1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20010988A (fi) * 2001-05-11 2002-11-12 Simo-Pekka Sainio Perävaunun runko
GB0123307D0 (en) * 2001-09-28 2001-11-21 Ancon Ccl Ltd Improvements in and relating to masonry panels
AU2008341017B2 (en) * 2007-12-20 2014-12-18 G Technologies Solutions Pty. Ltd. Multi-part beam

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE374538A (it) *
GB640341A (en) * 1946-12-05 1950-07-19 Ottakar Georg Ferdinand Paulss Improvements in structural elements of sheet metal
DE826968C (de) * 1950-06-01 1952-01-07 Metallbau Semler G M B H Walzprofil in I-Form, insbesondere fuer Blechtraeger
US3224154A (en) * 1959-12-28 1965-12-21 Andrew J Toti Structural assembly construction
US3328931A (en) * 1963-11-20 1967-07-04 Smith Charles Andrew Composite i-beam with splice at supports
DE2421918A1 (de) * 1974-05-07 1975-11-27 Arbed Kaltprofile fuer konstruktionszwecke
US4455806A (en) * 1978-06-12 1984-06-26 Rice Donald W Structural building member
GB8911167D0 (en) * 1989-05-16 1989-07-05 Hilltop Sections Limited Metal partition studding

Also Published As

Publication number Publication date
EP1114226A1 (en) 2001-07-11
CA2343792A1 (en) 2000-03-30
ITRM980598A1 (it) 2000-03-17
AU5883399A (en) 2000-04-10
CA2343792C (en) 2007-11-20
DE69907702T2 (de) 2004-01-29
DE69907702D1 (de) 2003-06-12
ATE239838T1 (de) 2003-05-15
IT1302333B1 (it) 2000-09-05
WO2000017463A1 (en) 2000-03-30

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