EP1978173A2 - Poutre préfabriquée en acier - Google Patents

Poutre préfabriquée en acier Download PDF

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Publication number
EP1978173A2
EP1978173A2 EP20080102448 EP08102448A EP1978173A2 EP 1978173 A2 EP1978173 A2 EP 1978173A2 EP 20080102448 EP20080102448 EP 20080102448 EP 08102448 A EP08102448 A EP 08102448A EP 1978173 A2 EP1978173 A2 EP 1978173A2
Authority
EP
European Patent Office
Prior art keywords
steel beam
profile
bottom plate
beam according
bottom part
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.)
Withdrawn
Application number
EP20080102448
Other languages
German (de)
English (en)
Inventor
Anne Pieter Van Driesum
Hendrik Eelco Diepeveen
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
Publication of EP1978173A2 publication Critical patent/EP1978173A2/fr
Withdrawn legal-status Critical Current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
    • E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
    • 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
    • E04C3/065—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web with special adaptations for the passage of cables or conduits through the web
    • 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
    • E04C2003/043—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 hollow cross-section comprising at least one enclosed cavity
    • 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
    • E04C2003/0465—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 square- or rectangular-shaped

Definitions

  • the invention relates to a steel beam, for supporting floor plates, consisting of a bottom plate and a beam part.
  • a beam of this type forms operationally part of a structural floor for which the bottom plate that supports the floor plates usually remains visible.
  • this bottom plate is often used as a mounting plane for objects that have to be mounted onto the underside of the structural floor, like for example light fittings, sprinkler systems, heat exchangers and for example security system components.
  • a disadvantage is that all these objects need to be connected, which means that a number of pipes and cables have to be mounted to the underside of the structural floor. In order to hide these pipes and cables, a false ceiling is often to be mounted, which may substantially reduce the useful volume of a building of which the structural floor forms part.
  • the prefabricated beam substantially obviates this disadvantage and is characterised in that in the steel beam at least one profile is mounted, extending in a longitudinal direction. For connecting for example a light fitting, it is sufficient then to drill a hole through the bottom plate, in such a way that this hole ends inside the profile. Wiring may be drawn towards the light fitting then via the profile.
  • a favourable embodiment of the steel beam is characterised in that the at least one profile extends over the entire length of the beam.
  • Mutual connections between the tubes may be realised then in a similar manner in the columns or walls or other structures which support the beams.
  • a further favourable embodiment is characterised in that the at least one profile is made of metal or plastic.
  • Profiles made of metal are especially suitable for transporting liquids and gasses, while for electrical connections plastic profiles may advantageously be used.
  • a further favourable embodiment is characterised in that the at least one profile is connected to the bottom plate, so that its location is precisely determined.
  • a further favourable embodiment is characterised in that the at least one profile is placed on a previously determined distance from the centre of the bottom plate. This makes it much more easy to strike the space enclosed by the profile. If more than one profile are enclosed by the beam, the profiles are preferably situated at previously determined distances from the centre of the bottom plate.
  • a further favourable embodiment is characterised in that the beam part is at least near the ends provided with body holes, via which profiles which are in line may be mutually coupled.
  • a further favourable embodiment is characterised in that at least one profile is a tubular profile.
  • a tubular profile may easily be coupled, for example with the aid of clamp couplings and a tubular profile may also easily be provided with thermal insulation, which means that it can be used for transporting for example hot water or a cooling liquid.
  • the ends of the at least one tubular profile are preferably provided with S-bends, in such a way that couplings may be installed without any problem.
  • Fig. 1 represents a steel beam 1 according to the state of the art in front view, which beam 1 forms part of a floor to be poured and onto which floor plates 2a,2b are placed, and concrete columns 3 onto which beam 1 rests.
  • beam 1 has an at least substantially trapezoidal cross section and it consists of a bottom part 4 and a beam part 5 which have been welded together.
  • Bottom part 4 is wider than beam part 5, which means that rims 6a,6b are available for supporting floor plates 2a,2b before and during pouring and during curing of the concrete.
  • bottom part 4 projects out of the ceiling, formed by the undersides of floor plates 2a,2b.
  • Bottom part 4 forms therewith an ideal mounting platform for articles to be suspended, like light fittings, sprinkler systems and air conditioning equipment.
  • steel beam 1 is provided with at least one profile 7 which extends in a longitudinal direction through steel beam 1 and via which electric wiring, water, cooling means and the like can be supplied to the articles suspended from bottom part 4.
  • Profile 7 is connected to bottom part 4, for example welded or glued, on a precisely determined position, so that a connection may easily be made by drilling a hole in profile 7 via bottom part 4.
  • Fig. 2 represents a steel beam 1 provided with a tube 7 in side view, where a light fitting 8 is connected to bottom part 4.
  • a hole 9 is drilled, via which wiring can be supplied to profile 7.
  • a duct 11 is accommodated, through which the wiring in profile 7 can be led further, via a hole 12 that has to be drilled at the location of duct 11. It is also possible of course to provide steel beam 1 on that location with a standard hole 12.
  • Fig. 3A represents more in detail a steel beam 1 provided with tubes 7a,7b, which may be struck via bottom part 4 by drilling.
  • the hole in bottom part 4 and in the tube thus obtained can subsequently be deburred and a screw thread may be tapped in it for example.
  • a standard nipple may be screwed for example, in which case standard sealing means may be used. This is important when a liquid or a gas is to be supplied or removed via the tube.
  • Tube 7b is given a rectangular cross section, which implies that a hole may be drilled requiring less precision.
  • Fig. 3B represents more in detail a steel beam 1 provided with profiles 7a,7b, which have been welded or glued to bottom part 4 and which may also be struck via bottom part 4 by drilling.
  • the hole in bottom part 4 thus obtained can subsequently be deburred and a screw thread may be tapped in it for example.
  • a standard nipple may be screwed for example, in which case standard sealing means may be used.
  • the wall thickness of the profile no longer plays a role as far as this sealing is concerned.
  • Fig. 3C represents a steel beam 1 provided with a profile 7a for connecting light fittings and two insulated tubes 7a,7b for the distribution of cooling means for an air conditioner.
  • Tubes 7b,7c are provided with insulating material 15b,15c, which is glued to bottom part 5 in order to prevent sidewards movements.
  • profile 7a and for tubes 7b and 7c applies that they may be struck by drilling at any place. Thereby a round, deburred hole in profile 7a will be sufficient for installing the wiring, while in the holes drilled in tubes 7b,7c screw thread may be tapped and connecting nipples may be fitted.
  • Fig. 4A represents a composite steel beam 1a, 1b,.. in top view, resting on columns 10a,10b, provided with three tubes 7a,7b,7c which are mutually coupled with the aid of couplings 13a,13b,13c, for example clamp couplings.
  • Fig. 4B represents these steel beam 1a, 1b,.. in side view, with body holes 14a,14b,.. being visible in beam part 5, via which couplings 13 can be fitted. It can also be seen that the ends of tubes 7 are provided with S-bends, in order to simplify the actual fitting of couplings 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)
EP20080102448 2007-03-26 2008-03-10 Poutre préfabriquée en acier Withdrawn EP1978173A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1033587A NL1033587C1 (nl) 2007-03-26 2007-03-26 Geprefabriceerde liggger.

Publications (1)

Publication Number Publication Date
EP1978173A2 true EP1978173A2 (fr) 2008-10-08

Family

ID=39577579

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080102448 Withdrawn EP1978173A2 (fr) 2007-03-26 2008-03-10 Poutre préfabriquée en acier

Country Status (2)

Country Link
EP (1) EP1978173A2 (fr)
NL (1) NL1033587C1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010025839A1 (de) * 2010-07-01 2012-01-05 Alexander Wien Hutprofilträger
US9945123B2 (en) 2016-09-16 2018-04-17 Peikko Group Oy Steel beam

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010025839A1 (de) * 2010-07-01 2012-01-05 Alexander Wien Hutprofilträger
DE102010025839B4 (de) * 2010-07-01 2012-10-04 Alexander Wien Lüftungsnetz mit einem Hutprofilträger und mindestens einem Deckenelement
EP2588675B1 (fr) * 2010-07-01 2014-12-03 Alexander Wien Système de conduit de ventilation avec support profilé chapeau
US9945123B2 (en) 2016-09-16 2018-04-17 Peikko Group Oy Steel beam

Also Published As

Publication number Publication date
NL1033587C1 (nl) 2008-09-29

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