EP1650376A2 - Poutre d'échafaudage en aluminium - Google Patents

Poutre d'échafaudage en aluminium Download PDF

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Publication number
EP1650376A2
EP1650376A2 EP05019614A EP05019614A EP1650376A2 EP 1650376 A2 EP1650376 A2 EP 1650376A2 EP 05019614 A EP05019614 A EP 05019614A EP 05019614 A EP05019614 A EP 05019614A EP 1650376 A2 EP1650376 A2 EP 1650376A2
Authority
EP
European Patent Office
Prior art keywords
web
undercut
support according
scaffold
scaffold support
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Withdrawn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
EP05019614A
Other languages
German (de)
English (en)
Other versions
EP1650376A3 (fr
Inventor
Wolfgang Breuss
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.)
Bgb Breuss Geruestbau Gesmbh
Original Assignee
Bgb Breuss Geruestbau Gesmbh
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 Bgb Breuss Geruestbau Gesmbh filed Critical Bgb Breuss Geruestbau Gesmbh
Publication of EP1650376A2 publication Critical patent/EP1650376A2/fr
Publication of EP1650376A3 publication Critical patent/EP1650376A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
    • E04B7/022—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of a plurality of parallel similar trusses or portal frames
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts
    • E04C3/32—Columns; Pillars; Struts of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/02—Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension [1D] only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means
    • E04G1/12—Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension [1D] only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means comprising members of special, e.g. composite, cross-section or with lugs or the like or lateral apertures for supporting or attaching other members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • E04G7/28—Clips or connections for securing boards
    • 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
    • E04C2003/0421—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 comprising one single unitary part
    • 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
    • E04C2003/0439—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 cross-section comprising open parts and hollow 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
    • E04C2003/0443—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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • E04G7/28—Clips or connections for securing boards
    • E04G2007/285—Clips or connections for securing boards specially adapted for toe boards

Definitions

  • the invention relates to a scaffold support made of aluminum for scaffolding, which is designed as a solid wall support having a tubular upper flange and a tubular lower flange, which are connected to one another via a web.
  • a conventional scaffold of aluminum for scaffolding which has interconnected tubular sections, is known in the form of a lattice girder.
  • This includes two parallel longitudinal aluminum tubes, which are connected via truss-like extending between them and welded to them cross struts.
  • Such lattice girders are used in different types of scaffolding, for example as a carrier for walk-in surface scaffolds, bridge bridge scaffolds suspended from bridges for bridge reconstruction and for facade scaffolding, for example for bridging driveways, underpasses, etc.
  • connection pieces for such lattice girders which serve to hold tarpaulins, so that the lattice girders can also be used as emergency roof girders in connection with the connecting pieces attached to them.
  • the disadvantage here is the additional assembly costs for the attachment of the fittings.
  • the outer dimension (relative to the height) of such conventional lattice girders which is required for static reasons, with 500mm relatively large.
  • Full-wall girders are known in I-shaped design with one or more webs which connect the straps, and in this case form formwork girders or building girders, for example for bridges.
  • Such solid wall supports have neither tubular upper and lower chords nor undercut grooves in the webs connecting the straps.
  • a scaffolding is known from US Pat. No. 5,263,296 A, which comprises, among other things, struts, of which different design variants are shown.
  • the strut has two tubular sections and a web extending therebetween.
  • this strut can thus also be regarded as a kind of "solid wall support", the tubular upper and lower chords, which are interconnected by a web. Due to the structure and geometry of this strut is only suitable for receiving relatively small forces, especially if they act parallel to the plane of the web. The applications as a carrier are thereby severely limited, and essentially to an application as a stiffening strut for an arrangement between stanchions.
  • the object of the invention is to provide an improved scaffold support of the type mentioned, which can be used in a simple manner for different applications and has a high static load capacity compared to conventional lattice girders reduced height. According to the invention, this is achieved by a scaffold support with the features of patent claim 1.
  • a very compact frame support can be provided, which nevertheless has a better static load capacity than the conventional lattice girder and due to the at least one, preferably a plurality of longitudinally extending undercut grooves in the web is easy and advantageous for different applications, as in the figure description will be explained in more detail.
  • An inventive scaffold support is in this case preferably designed as a one-piece extruded aluminum profile, wherein a simple and accurate training is achieved.
  • the web could also be designed as a separate extruded profile and welded to the straps forming tubes.
  • the figures show an advantageous embodiment of a scaffold support made of aluminum according to the invention.
  • the scaffold support is designed in the form of a solid wall support and has a tubular upper flange 1, a tubular lower flange 2 and a wall-like web 3 connecting the upper and lower flange.
  • the upper flange 1 and the lower flange 2 have continuous cylindrical cavities 4, 5 over the length of the scaffold support
  • the web 3 is also in the form of a hollow profile and, in the exemplary embodiment shown, has two longitudinal cavities 6, 7 which are separated from one another by a separating web 8.
  • the divider 8 is normal to the main plane 9 of the web 3, extends in the longitudinal direction of the scaffold carrier and is located in the region of the middle of the height h of the web. 3
  • the longitudinal center axes 10, 11 of the upper belt 1 and the lower belt 2 lie in a common plane with the web 3, namely in the main plane 9 of the web third
  • At least one undercut groove 12, 13 running in the longitudinal direction of the web 3 or scaffold support is arranged, which extends over at least the major part of the length of the web 3 or scaffold support, preferably over the entire length of the web 3 or scaffold support runs.
  • two longitudinally extending undercut grooves 12 are arranged on each side of the web 3, which have seen in cross-section circularly limited undercut area.
  • Such undercut grooves are also referred to as "Kedernuten”.
  • These undercut grooves 12 extend in each case at the two edge sides of the web 3 adjacent to the straps 1, 2.
  • two longitudinally extending undercut grooves 13 are arranged, each having an undercut region of limited rectangular cross-section. The narrower side of the rectangle extends in the direction normal to the main plane 9 of the web 3.
  • These undercut grooves 13 are closer to the center of the web 3 relative to the height h than the undercut grooves 12.
  • the opening width W of the undercut grooves 13 having a rectangularly-limited undercut area is larger than the opening width w of the undercut grooves 12 having a circularly-limited undercut area, preferably more than twice as large.
  • the cavities 6, 7 extend in the direction of the straps 1, 2 respectively into the area lying between the undercut grooves 13.
  • the height h of the scaffold carrier is more than 150 and less than 350mm.
  • a value in the range between 200 and 300mm is particularly preferred.
  • the scaffold carriers can be suspended from a support member, for example, of a bridge body to form a working platform for the bridge rehabilitation.
  • a coupling unit is mounted on the opposite side of the scaffold carrier, which is formed in an analogous manner as the coupling unit 15, but no pipe coupling clamps 22 are present and instead of the plate 16 a slightly larger trained mounting plate 26 to the is mounted in the cavities 4, 5 inserted pin.
  • the mounting plate 26 is provided with holes 27 for fastening by means of screws.
  • edge beads plates can be used in the undercut grooves 12, for example, to form a wall element in the case of a standing arrangement of the scaffold carrier.
  • the sliding blocks 33 could be inserted into the undercut grooves 13 from the front sides of the framework carrier.
  • the undercut grooves 13 are widened in places in their opening cross-section B (so that they no longer have any undercut at these locations).
  • the sliding blocks 33 can be inserted into the grooves 13 and be moved in the sequence in the longitudinal direction of the grooves 13 to the desired locations.
  • Fig. 6 shows a longitudinal connection of two scaffold beams according to the invention by means of a coupling unit 36.
  • This is constructed in an analogous manner as the coupling unit 15, except that from the plate 16 on both sides pins 17, 18 protrude into the cavities 4, 5 in the belts. 1 , 2 of the two framework beams are inserted and screwed into these by means of transverse bores 19, 20 passing through screws 21 and nuts, not shown.
  • Fig. 7 shows an application example of a scaffold support according to the invention a part of a walk-in surface scaffolding.
  • the covering plates 38 have welded claw fittings 39, by means of which the covering plates 38 are hooked into the upper chords 1 of the framework beams 50.
  • FIGS. 8 to 9 show the construction of the roof construction for an emergency roof of a scaffolding.
  • the coupling units 40 are connected to the upper ends of the vertically arranged framework beams 50 in an analogous manner as the coupling units 15 (by means of pins 4, 5 inserted and screwed into the cavities 4, 5).
  • tabs 41 are screwed, which are screwed by means of holes in the tabs 41 and transverse holes in the straps 1, 2 passing through screws 42 to the roof slopes forming scaffold beams 50.
  • FIG. 10 an inventive scaffold support is shown, in which a connecting plate 45 is inserted into the central longitudinal groove 14 of the web 3 and is welded.
  • This connecting plate 45 has holes 46 for attachment of diagonal and horizontal struts in a conventional manner (with wedge closures), which can be used to form cross-struts between scaffold girders 50 according to the invention to form more complex structures.
  • Such cross braces could also be fastened to the scaffold supports 50 via the undercut grooves 13 by means of couplings (for example, analogously to the embodiment shown in FIG. 5).
  • a scaffold support according to the invention can form a podium support for a walkable surface scaffold or a podium or work platform, a bridging support, superstructure support, emergency roof support for receiving tarpaulins or scaffold supports of a bridge suspension scaffolding for bridge restorations.
  • a longitudinally undercut groove 12 with a circular cross-sectionally limited undercut area and / or only a longitudinal undercut groove 13 may be provided with a rectangular cross-sectionally limited undercut area on each side of the web 3.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Bridges Or Land Bridges (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP05019614A 2004-10-25 2005-09-09 Poutre d'échafaudage en aluminium Withdrawn EP1650376A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0179204A AT500952B8 (de) 2004-10-25 2004-10-25 Gerüstträger aus aluminium

Publications (2)

Publication Number Publication Date
EP1650376A2 true EP1650376A2 (fr) 2006-04-26
EP1650376A3 EP1650376A3 (fr) 2008-05-07

Family

ID=35709156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05019614A Withdrawn EP1650376A3 (fr) 2004-10-25 2005-09-09 Poutre d'échafaudage en aluminium

Country Status (2)

Country Link
EP (1) EP1650376A3 (fr)
AT (1) AT500952B8 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1947262A1 (fr) * 2007-01-18 2008-07-23 Conrad Kern AG Elément de rallonge et tête de fixation variable en longueur pour supports dans la construction de coffrage et d'armature
WO2019109134A1 (fr) * 2017-12-05 2019-06-13 Exhibition & Theatre Projects Pty Ltd Latte de ferme
EP3591140A1 (fr) * 2018-07-04 2020-01-08 Tobler AG Longeron lourd, échafaudage, procédé de fabrication d'un longeron lourd, procédé de fabrication d'un échafaudage
WO2021010838A1 (fr) * 2019-07-12 2021-01-21 Frico As Traverse très résistante pour systèmes de support structural
EP4102006A1 (fr) * 2021-06-11 2022-12-14 Mon.zon Development AB Poutre pour système d'échafaudage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017101718A1 (de) 2017-01-30 2018-08-02 hoac Schweißtechnik GmbH Konstruktionsprofil und Rahmenkonstruktion zur Bildung eines Podests, einer Bühne und/oder einer Tribüne
DE102017101715A1 (de) 2017-01-30 2018-08-02 hoac Schweißtechnik GmbH Konstruktionsprofil und Rahmenkonstruktion zur Bildung eines Podests, einer Bühne und/oder einer Tribüne mit einer Decklage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5263296A (en) 1991-07-17 1993-11-23 Speral Aluminium Inc. Modular scaffolding assembly

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1242591A (fr) * 1984-12-27 1988-10-04 Ronald J. Johnston Ferme de toit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5263296A (en) 1991-07-17 1993-11-23 Speral Aluminium Inc. Modular scaffolding assembly

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1947262A1 (fr) * 2007-01-18 2008-07-23 Conrad Kern AG Elément de rallonge et tête de fixation variable en longueur pour supports dans la construction de coffrage et d'armature
WO2019109134A1 (fr) * 2017-12-05 2019-06-13 Exhibition & Theatre Projects Pty Ltd Latte de ferme
EP3591140A1 (fr) * 2018-07-04 2020-01-08 Tobler AG Longeron lourd, échafaudage, procédé de fabrication d'un longeron lourd, procédé de fabrication d'un échafaudage
WO2021010838A1 (fr) * 2019-07-12 2021-01-21 Frico As Traverse très résistante pour systèmes de support structural
US20220268037A1 (en) * 2019-07-12 2022-08-25 Frico As Heavy Duty Transom for Structural Support Systems
US12209421B2 (en) * 2019-07-12 2025-01-28 Frico As Heavy duty transom for structural support systems
AU2020314308B2 (en) * 2019-07-12 2026-04-09 Frico As Heavy duty transom for structural support systems
EP4102006A1 (fr) * 2021-06-11 2022-12-14 Mon.zon Development AB Poutre pour système d'échafaudage
WO2022258764A1 (fr) * 2021-06-11 2022-12-15 Mon.Zon Development Ab Poutre pour un système d'échafaudage

Also Published As

Publication number Publication date
AT500952A4 (de) 2006-05-15
AT500952B8 (de) 2007-02-15
AT500952B1 (de) 2006-05-15
EP1650376A3 (fr) 2008-05-07

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