EP3830356B1 - Poutre porteuse pour systèmes de plafond, système de plafond et procédé de fabrication de ceux-ci - Google Patents

Poutre porteuse pour systèmes de plafond, système de plafond et procédé de fabrication de ceux-ci Download PDF

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Publication number
EP3830356B1
EP3830356B1 EP19748807.5A EP19748807A EP3830356B1 EP 3830356 B1 EP3830356 B1 EP 3830356B1 EP 19748807 A EP19748807 A EP 19748807A EP 3830356 B1 EP3830356 B1 EP 3830356B1
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EP
European Patent Office
Prior art keywords
supporting beam
parts
base plate
longitudinal direction
steel girder
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.)
Active
Application number
EP19748807.5A
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German (de)
English (en)
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EP3830356C0 (fr
EP3830356A1 (fr
Inventor
Krzysztof JANCZURA
Jerzy DERYSZ
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.)
Pfeifer Holding GmbH and Co KG
Original Assignee
Pfeifer Holding GmbH and Co KG
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Publication of EP3830356A1 publication Critical patent/EP3830356A1/fr
Application granted granted Critical
Publication of EP3830356C0 publication Critical patent/EP3830356C0/fr
Publication of EP3830356B1 publication Critical patent/EP3830356B1/fr
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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
    • E04C3/294—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 of concrete combined with a girder-like structure extending laterally outside the element
    • 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
    • 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
    • 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
    • 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
    • E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • E04C5/0618—Closed cages with spiral- or coil-shaped stirrup rod
    • 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
    • E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • E04C5/0622—Open cages, e.g. connecting stirrup baskets

Definitions

  • the invention relates to a support beam for ceiling systems according to the preamble of claim 1.
  • Such support beams are often used in construction, in particular as support beams for ceilings and secondary beams in reinforced concrete construction or composite construction, also with other materials, in particular when creating ceiling systems or floor slabs.
  • the supporting beam can consist of portions of steel cross-sections mostly filled with concrete, the concrete often being reinforced by reinforcement in the form of a stirrup cage.
  • the WO 2017/037106 A1 a support beam in composite construction for ceiling systems in composite construction, which consist at least in sections of concrete, with a carrier, in particular steel carrier, which has a base plate and at least one, preferably two, web or webs arranged at an angle, preferably perpendicularly, characterized, that a space delimited by the web or webs and the base plate is at least partially filled with concrete, which is preferably not in-situ concrete.
  • This object is solved by the support beam according to claim 1.
  • This support beam is intended for ceiling systems, wherein the support beam is preferably built in composite construction and/or the ceiling system can be built in composite construction.
  • the support beam can be understood as a prefabricated composite beam, which is load-bearing as such and has, for example, steel and (reinforced) concrete.
  • Such a support beam can also form a (further) composite with ceiling elements or a ceiling and thus achieve a homogeneous ceiling structure in the composite.
  • the support beam extends longitudinally and includes a longitudinal beam which is preferably a steel beam.
  • the invention is characterized in that the base plate parts are arranged at a distance from one another in the transverse direction.
  • the present invention is based on the inventive idea that the carrier is divided, in particular divided into two or multiple parts.
  • the fact that the carrier is divided can preferably be seen in a cross section viewed perpendicularly to the longitudinal direction. Preferably there is a gap between individual beam parts along the transverse direction of the beam.
  • the division refers in particular to the fact that the carrier is divided or divided in a cross section over the length or in a cross section perpendicular to the longitudinal direction. is multi-piece.
  • the pitch may refer to a pitch based on the extension in the transverse direction, ie perpendicular to the longitudinal direction.
  • the transverse direction includes a lateral or horizontal direction (referred to herein as X-direction, left-right) and a vertical direction (referred to herein as Y-direction, top-bottom) perpendicular to the longitudinal direction.
  • a divided or multi-part carrier is to be understood in particular as a carrier that is made up of several parts.
  • the carrier parts do not form a one-piece, continuous carrier part.
  • the carrier is not continuous.
  • the carrier parts in the supporting beam can therefore be surrounded by concrete or the like, which connects the individual carrier parts to form the supporting beam, whereby the carrier is still to be regarded as multi-part.
  • a flush insertion of the carrier parts can thus be achieved.
  • a support plate and a bottom plate on the same level in the vertical direction can be used to achieve a secure closure and visual uniformity.
  • beam parts are held together by an element which is also made of steel and could be regarded as a further beam part.
  • Such an element or several such elements lead to a sectional connection of carrier parts, in particular in the longitudinal direction. In this case, too, the carrier continues to be formed in several pieces.
  • the two-part or multi-part nature of the carrier thus refers to the fact that the carrier is made of at least two or more parts/pieces.
  • the girder can also be referred to as the steel cross-section of the girder.
  • an embodiment of the invention can be described as follows:
  • the cross section acting at the end is composed of more than one partial cross section or the support beam is composed of more than one part to form the final cross section. These parts can be manufactured separately and later assembled into a unit and then act in a cross-section of the support beam.
  • the elements belonging to the carrier are preferably made of steel.
  • the beam is therefore a steel beam.
  • the carrier described here is in particular a component, mostly made of sheet steel or rolled steel, which usually contributes at least partially as a formwork for the concrete of the supporting beam when the supporting beam is poured with concrete.
  • the sheet steel can be smooth, folded and/or welded.
  • the carrier has at least two carrier parts, each running in the longitudinal direction.
  • the support parts can be arranged substantially parallel to each other and arranged at the same position in the longitudinal direction.
  • the carrier parts can essentially run side by side.
  • the multiple parts of the carrier preferably run side by side and not one behind the other in the longitudinal direction. Due to the fact that the two carrier parts run next to each other, the multi-part design is shown in particular in a cross-sectional view, which takes place along the transverse direction perpendicular to the longitudinal direction. Therefore, the multiple pieces of the carrier can be represented in particular in a cross-sectional view perpendicular to the longitudinal direction.
  • the carrier parts run parallel to each other in the longitudinal direction, so that the carrier parts are not lined up exclusively in the longitudinal direction.
  • the base plate if the multiple parts of the carrier (possibly among other things) is implemented as a multiple part of the base plate, or other parts of the carrier.
  • the base plate be designed in several pieces and spaced apart along the transverse direction, but a gap can also be formed between the base plate (consisting of several base plate parts) and other carrier parts along the X-direction.
  • the at least two carrier parts are preferably arranged at a distance from one another in a transverse direction running perpendicular to the longitudinal direction. In other words, there can be a distance running in the transverse direction between the carrier parts.
  • a stirrup cage (reinforcement cage) consisting of stirrups and longitudinal reinforcement is often used inside the concrete portion of the supporting beam for reinforcement - as is usual in construction.
  • the carrier described here is not to be understood as such a bracket cage, reinforcing steel or the like.
  • Network means are also not to be regarded as carriers.
  • the “bar cage” or the “reinforcement cage” is generally understood to mean a reinforcement for concrete components, which allows an increase in load-bearing capacity and improved absorption of forces that occur.
  • the stirrup cage has, for example, several reinforcing bars arranged next to one another in the transverse direction of the supporting beam, which in turn extend along the longitudinal direction of the supporting beam and, for example, in two rows are arranged one above the other in the vertical direction.
  • This arrangement of the reinforcing bars is surrounded by the stirrups or the stirrups surround this longitudinal reinforcement.
  • the stirrups provide the transverse reinforcement and are essentially bars bent so that each is essentially self-contained.
  • a plurality of stirrups each enclose the reinforcing bars at regular intervals along the longitudinal direction of the supporting beam. In other words, a bracket is arranged at repetitive intervals in the longitudinal direction.
  • a cage is formed by the stirrups and longitudinal bars, which allows for appropriate longitudinal and transverse reinforcement.
  • Such a stirrup or reinforcement cage can be used as a slack or loose element between the supporting parts of the supporting beam and can be cast with concrete in order to strengthen the supporting beam.
  • An advantage of the invention is that the support parts can be used for different support beams, in particular for support beams of different widths or heights, since a distance in the transverse direction between the support parts can be set individually depending on the desired width or height of the support beam.
  • the same support parts can be used for a relatively narrow support beam and also for a relatively wide support beam, so that the narrow and the wide support beam differ essentially only in the distance between the support parts.
  • With a narrow girder there could be a relatively small spacing of the girder parts in the transverse direction. It is thus possible to universally use prefabricated, in particular similar, carrier parts to form different carrier beams.
  • Another advantage is that carrier material can be saved if there is no continuous carrier spaced support parts are present. This also leads to more cost-effective production.
  • the carrier has a base plate.
  • the base plate is designed in at least two pieces or in several pieces and then has at least two base plate parts, each of which extends in the longitudinal direction.
  • the division of the base plate is one way of implementing a division of the carrier. This configuration is efficient and easy to implement.
  • a base plate or a base plate part is preferably understood to be a support part that does not project and/or delimit an area of the support beam that is filled with concrete.
  • the use of elements is conceivable which connect the base plate parts in sections in the longitudinal direction.
  • These elements can, for example, be transverse webs/plates that connect base plate parts in individual sections (sections in the longitudinal direction) perpendicular to the longitudinal direction, ie in the transverse direction.
  • the support beam can have a carrier which has at least one, preferably two, web or webs arranged at an angle thereto, preferably perpendicularly.
  • a carrier which has at least one, preferably two, web or webs arranged at an angle thereto, preferably perpendicularly.
  • the multiple parts of the carrier can be formed, for example, by multiple parts of the base plate (i.e. a distance between base plate parts) and/or by distances between a web and/or webs relative to one another and/or in relation to the base plate, in particular in the transverse direction.
  • the support beam is preferably a composite beam and has at least sections of concrete, the concrete has hardened ready for use, especially during assembly on the construction site, and/or is not (subsequently added) in-situ concrete.
  • the concrete may be present in the girder as such before the girder is installed in the structure. This enables a high load-bearing capacity of the beam and efficient assembly.
  • the left and right half of the base plate can be made from one continuous profile.
  • One embodiment of the multiple pieces is the spacing of base plate parts from one another in the transverse direction.
  • the base plate parts may be spaced from each other in vertical or horizontal directions, particularly when viewed in a cross-sectional view.
  • the base plate parts can be connected in sections (particularly for easier production). For example, individual sections in the longitudinal direction can produce a connection of the base plate parts in the transverse direction.
  • the support parts are symmetrical to each other in relation to the longitudinal axis of the support beam.
  • the two carrier parts can be produced from a continuous profile, which is inexpensive.
  • the continuous profile can be cut longitudinally and then placed side by side, thereby providing the supporting parts of the girder.
  • the carrier parts are arranged at the edge regions viewed in a transverse direction running perpendicular to the longitudinal direction and/or the carrier parts are in Center area spaced from each other viewed in a transverse direction perpendicular to the longitudinal direction.
  • the supporting beam can be produced with reduced effort.
  • the stability of the support beam can also be maintained in the edge areas, with a compromise in the load-bearing capacity in the central area of the support beam being acceptable.
  • the support beam can have a shackle cage, which is preferably made of reinforcing steel.
  • the hanger cage can have at least one longitudinal bar and/or at least one hanger.
  • the concrete can surround the reinforcing steel of the stirrup cage at least in sections, preferably completely, with the concrete already hardening during assembly. As a result, the stability and load-bearing capacity of the supporting beam can be increased.
  • bonding means attached to the carrier extend transversely through gaps in the hanger cage.
  • Such fasteners can contribute to a frictional connection between the beam and the concrete, which increases the load-bearing capacity.
  • the base plate and optionally a web or several webs have one or more cantilevered elements or projections running perpendicularly to the longitudinal direction, which are used to support further components.
  • cantilevered elements protrude from the girder and can carry components, for example finished or semi-finished parts, thereon.
  • the cantilevered element can also be referred to as a projection or ceiling mount/bearing, which protrudes from the rest of the supporting beam, in particular in a transverse direction, further in particular in the X-direction.
  • the base plate in particular on the underside facing away from the support beam, and / or a projection on a shield against heat and / or flames serves.
  • This shielding can preferably be in the form of a layer-forming coating. This can prevent the carrier from losing strength when heat builds up, in particular from fire, and thus instability of the support beam is generated.
  • the invention is further embodied in a method of manufacturing a longitudinally extending support beam.
  • the girder is manufactured with a desired extension in a transverse direction perpendicular to the longitudinal direction, whereby preferably the girder according to the invention is used for composite floor systems.
  • the steps include providing at least two girder parts, in particular steel girder parts, determining the position of the girder parts relative to one another in relation to the transverse direction according to the desired extent of the supporting beam in the transverse direction, and arranging the girder parts according to the determined position and such that the girder parts run in the longitudinal direction.
  • the multi-part, preferably two-part, design of the carrier is advantageous.
  • a distance between the carrier parts in the transverse direction is determined.
  • a hanger cage is provided and the carrier parts are arranged around the hanger cage when arranging according to the determined position, during which the hanger cage is preferably in its final configuration.
  • This way of arranging and producing a support beam with a stirrup cage can greatly simplify and save time.
  • a particular advantage is shown when using a bracket basket at the same time, since then the parts of the carrier with the protruding connecting means such as bolts, projections or lugs attached to the side facing the concrete can be arranged around the stirrup cage, in particular laterally into which the stirrup cage can be threaded. This makes it possible for the stirrup cage to be used in its finished state during assembly and for the support parts to be assembled around the stirrup cage as formwork for the support beam.
  • the provision of at least two carrier parts includes that a continuous carrier profile is divided into at least two parts in the longitudinal direction.
  • the beam running in the longitudinal direction in particular a steel beam, is preferably formed with a stub, which can also be understood as an elevation.
  • the at least one web or webs can have a stitch.
  • a “stitch” is to be understood here as an arcuate, curved configuration of the carrier or part thereof running in the longitudinal direction, the “arc” extending counter to the (future) direction of loading along the longitudinal direction of the carrier.
  • a "banana-shaped" extension of the beam along the longitudinal direction is generated, which counteracts the load from the concrete and, for example, the ceiling weight in the vertical direction of the support beam or can compensate for this.
  • Such a sting has an "arrow height” or “sting height” and describes a measurement denoting the distance between the fighter line and the apex of the arc of such curvature.
  • the carrier parts or at least one carrier part, preferably at least the webs
  • the beam is manufactured with a curvature that counteracts potential deflection in the loaded condition and thus compensates for future deflection.
  • the "camber” (snag) corresponds to later deflection of the girder.
  • the use of the support beam according to the invention is provided in a ceiling system in composite construction, the support beam being used to support at least one semi-finished or finished part or in-situ concrete part or a component made of other materials.
  • a ceiling system of composite construction wherein the ceiling system has at least one beam according to the invention, at least one component, semi-finished part or finished part, which is supported on the at least one supporting beam, and an in-situ concrete layer, which is at least in the connection area between the at least one supporting beam and the Component, semi-finished part and / or finished part is provided.
  • a method for producing a ceiling system in composite construction is also provided with the following steps: supporting a support beam according to the invention on supports, supporting at least one component, semi-finished part or finished part on the at least one support beam, and providing connecting means in the connection area between the at least one support beam and the component, semi-finished part or finished part.
  • the method includes the step of providing an in-situ concrete layer at least in the connection area between the include at least one supporting beam and the component, semi-finished part and/or finished part.
  • the gaps between the parts can be cast or filled with grouting mortar/concrete.
  • the figure 1 shows a support beam 1 according to the invention in a cross-sectional view perpendicular to the longitudinal direction L of the support beam.
  • the support beam 1 is built in composite construction, namely a composite of a carrier 2 and concrete 6.
  • This support beam 1 is provided for a ceiling system (not shown), which can be configured in composite construction.
  • the supporting beam 1 extends in the longitudinal direction L perpendicularly into the plane of the drawing.
  • the beam 2, which is preferably a steel beam, is designed in two pieces, with the two pieces, i.e. the two beam parts, each in Extend longitudinally L and are substantially parallel to each other.
  • the figure 1 shows a base plate 3, which is formed in two pieces and has two base plate parts 3a and 3b. These run side by side and each extend in the longitudinal direction L.
  • the carrier 2 has two webs 4, 5, which run side by side and, in this embodiment, parallel to one another in the longitudinal direction L.
  • the two webs 4 , 5 are arranged perpendicularly to the base plate 3 . More specifically, the ridge 4 is perpendicular to the base portion 3a, and the ridge 5 is perpendicular to the base portion 3b.
  • the support beam 1 has concrete 6, which is not in-situ concrete, but has already hardened to be load-bearing prior to assembly.
  • the concrete 6 is absent only in the area into which reinforcing steel can be inserted laterally and which is referred to as the penetration tube 13 .
  • the penetration tube 13 In a sectional view as in figure 1 shows the tube 13 through the concrete 6.
  • the embodiment shown are the base plate part 3a and the web 4 on the one hand, and the base plate part 3b and the web 5 on the other hand.
  • the distance in the transverse direction Q is a distance in the X direction.
  • the base plate parts 3a and 3b are thus arranged spaced apart from one another in the X direction.
  • the two carrier parts or the two base plate parts 3a and 3b as well as the webs 4, 5 are formed symmetrically to one another in relation to the longitudinal direction L, in particular the longitudinal axis L of the supporting beam 1.
  • one half of the girder 1 viewed in the transverse direction Q by a reflection of the other half of the girder 1 on a plane which extends through the longitudinal axis of the supporting beam and in the Y-direction.
  • the two carrier parts 3a, 4 on the one hand and 3b, 5 on the other hand are arranged in the edge regions R viewed in the transverse direction.
  • the distance A between the two carrier parts is in figure 1 shown embodiment in the central area M of the supporting beam 1.
  • the support beam 1 has a bracket cage 7, which in turn preferably has longitudinal rods 7a and brackets 7b made of reinforcing steel.
  • the concrete 6 completely encloses the stirrup cage 7 made of the reinforcing steel, i.e. the longitudinal reinforcement 7a and the stirrups 7b.
  • the girder 1 can have connecting means 8 which increase the connection between the girder 2 and the concrete 6 .
  • the connecting means 8 are attached to the carrier 2 and extend through gaps in the hanger basket 7 in the transverse direction. In this way, a good load-bearing capacity can be achieved.
  • Cantilevered elements or projections 9 extend from the base plate 3 or the base plate parts 3a, 3b in the figure 1 embodiment shown.
  • the projecting elements 9 are arranged on a base plate part 3a, 3b and run in the X-direction.
  • the base plate 3 can be provided in one piece with the cantilevered elements 9 .
  • a base plate part 3a integral with a projecting element 9 is a base plate part 3a integral with a projecting element 9, and another base plate part 3b integral with a projecting element 9 is formed.
  • the figure 2 shows a perspective view of the support beam 1 according to the invention, viewed together with a further component 10.
  • the support beam 1 extends in the longitudinal direction L and has a bracket basket 7.
  • FIG. in the in figure 2 (And the other figures), the carrier or the webs 4, 5 have no stitch.
  • the carrier 2 is formed in two pieces, in such a way that two base plate parts 3a and 3b are formed.
  • the base plate part 3a is connected to the cantilevered element 9 in one piece.
  • the component 10 that forms the ceiling system comes to rest on the cantilevered element 9 .
  • An intermediate space is formed between the component 10 and the supporting beam 2, which is cast or filled with in-situ concrete 11 or casting/filling concrete.
  • a ceiling system according to the invention is thus shown in composite construction, which has a component, semi-finished part or finished part 10 in addition to the supporting beam 1, with an in-situ concrete layer 11 being filled in between.
  • the support beam 1 is used in a composite ceiling system construction, the support beam 1 supporting the semi-finished part, finished part 10 or an in-situ concrete part 11 .
  • FIG. 1 shows various embodiments of the girder of the present invention in cross-section, mostly essentially showing the girder 2 as such. Only the Figures 3(d) and 3(f) show a support beam 1 with carrier 2, stirrup cage 7 and concrete 6.
  • FIG. 3(a) an embodiment is shown which has a one-piece base plate 3 .
  • This base plate 3 is formed in one piece with the web 5 .
  • the web 4 opposite the web 5 is spaced apart from the base plate 3 in the Y direction.
  • the carrier 2 of the embodiment of FIG Figure 3(a) formed in two pieces to the effect that the carrier 2 has a first carrier part 4 (the web 4) and a second carrier part, which is formed by the base plate 3 and the web 5 is formed.
  • the distance between the base plate and the web 4 leads to the multi-piece design of the carrier 2.
  • Other configurations of the web 4 relative to the base plate 3/the web 5 in the transverse direction (X-direction) can be used to form supporting beams of different widths.
  • the base plate is divided into two base plate parts 3a and 3b.
  • a base plate part is connected to a web 4, 5 in one piece.
  • the carrier 2 of the embodiment of FIG Figure 3(b) designed in two pieces to the effect that the base plate is designed in several pieces.
  • the elements 8 on the webs 4 and 5 represent composite means, for example metal sheets in the shape of a moon with holes.
  • the base plate 3 is in one piece, whereas the webs 4 , 5 are each arranged at a distance from the base plate 3 .
  • the embodiment of Figure 3(c) be regarded as a multi-part, more precisely three-part, design of the carrier, the carrier having a first part consisting of the web 5 , a second part consisting of the web 4 , and a third part consisting of the base plate 3 .
  • Connecting means 8 are provided on the webs 4, 5 and the base plate 3, respectively.
  • Figure 3(d) shows an embodiment with a two-piece base plate, which has the base plate parts 3a and 3b.
  • a shield 12 is provided on the underside of the base plate 3a, 3b and the projecting elements 9, which is resistant to heat and/or fire.
  • Connecting means 8 are also shown in this embodiment.
  • An ironing basket 7 is also provided. This figure also shows the concrete 6, i.e. the complete supporting beam 1, and not just essentially the beam 2.
  • the base plate is formed in two parts by the base plate parts 3a and 3b.
  • the webs 4, 5 are each arranged at a distance from the base plate parts.
  • the embodiment of Figure 3(e) can thus be regarded as a four-piece carrier 2.
  • Various connecting means 8 are arranged in the interior of the supporting beam 2 . Different arrangements of the webs 4 and 5 in the X-direction or transverse direction Q relative to the base plate parts 3a and 3b result in supporting beams of different widths.
  • Figure 3(f) shows a support beam 1 with stirrup cage 7, concrete 6 and a three-piece support 2, which consists of a first support part consisting of the cantilevered element 9, the base plate part 3c and the web 4, a second support part consisting of the base plate part 3a and a third support part from the web 5, the base plate part 3b and the cantilevered element 9 has.
  • Special features of this embodiment are the third base plate part 3c, which is arranged higher in order to accommodate a ceiling component (not shown) with a smaller thickness (extension in the Y direction) on the projection 9.
  • two cantilevered elements 9 for accommodating ceiling panels which project to opposite sides of the supporting beam 1 can be arranged at different heights, ie at different positions in the Y-direction.
  • cantilevered elements 9 are arranged at the same Y height.
  • a carrier 2 consisting of two carrier parts is shown, one carrier part consisting of a projecting element 9 and the web 4 and the other carrier part consisting of a projecting element 9 and the web 5 .
  • the base plate 3 is provided without extending inward to the concrete.
  • the projection 9 forms the lower end of the carrier 2 as a base plate 3.
  • a distance between a base plate 3 and the webs 4, 5 is provided. Particularly good fire protection is achieved in the event of flames from below via the distance between the base plate 3 and the projections 9 .
  • This embodiment can be regarded as a three-piece embodiment, since the carrier consists of three pieces, namely the web 4, the web 5 and the base plate 3. Connecting means 8 are provided on the webs as well as on the base plate 3.
  • a three-piece design of the support is shown: one part is the web 4 together with the cantilevered element 9, another support part is the base plate 3, a third support part is the web 5. Adjustments to the width of the support beam 1 are possible by arranging the Webs 4 and 5 possible.
  • the carrier parts each have connecting means 8 .
  • the shield 12 is provided on the underside of the base plate 3 and the underside of the cantilevered element 9 .
  • the projection 9 is arranged in a raised manner, that is to say offset in the Y-direction relative to the base plate 3 .
  • a four-piece beam is shown, the beam having a first part consisting of the base plate 3a and the web 4, a second part consisting of the cantilever element 9 on the left side, a third carrier part consisting of the base plate part 3b and the web 5, and a fourth support part consisting of the cantilever element 9 on the right side.
  • the projecting elements 9 can be connected to the respective web 4, 5 by means of connecting elements 14 such as pull tabs, sheet metal triangles, pull rods.
  • connecting elements 14 such as pull tabs, sheet metal triangles, pull rods.
  • the support beam 1 according to the invention can be manufactured as follows: During the production of the support beam 1 extending in the longitudinal direction L, the following steps are carried out to achieve a desired extension in the X or Y direction, i.e. in a transverse direction that runs perpendicular to the longitudinal direction, undertaken, preferably wherein the support beam 1 is made according to the invention. First, two or more carrier parts, for example a first part consisting of the projecting element 9, the base plate part 3a and the web 4, as in figure 1 shown, and a second carrier part consisting of the projecting element 9, the base plate part 3b and the web 5 is provided.
  • the position of the two beam parts relative to one another in relation to the transverse direction Q, in this case the X-direction, is determined by the fact that a desired extension in the X-direction of the supporting beam 1 is to be obtained.
  • the first and second girder parts 1 will be placed at a large distance A from each other if the girder 1 is to have a large extension in the X-direction.
  • the distance A will be smaller if the support beam 1 is to have a smaller extent in the X-direction.
  • the carrier parts are then arranged according to the specified or determined position and the corresponding spacing so that the carrier parts run in the longitudinal direction L. As in figure 1 shown, the carrier parts then run parallel to one another and side by side in the longitudinal direction L.
  • the stirrup cage 7 is made in a preliminary operation from longitudinal rods 7a and stirrups 7b made of reinforcing steel.
  • the carrier parts are arranged around the hanger cage 7 according to the defined position.
  • the connecting means 8 attached to the carrier parts can be threaded into the hanger cage 7 when the carrier parts are arranged according to the defined position.
  • the Carrier parts are pushed laterally, ie in the X-direction, onto the frame 7 and the connecting means 8 protrude into the frame grain 7 .
  • the hanger cage 7 can already be in its final configuration. It is therefore not necessary to laboriously insert the bracket cage 7 into the already assembled carrier 2 in individual parts, but rather the carrier 2 is integrated into the supporting beam 2 by arranging the individual carrier parts in and around the bracket cage 7 .
  • the two symmetrical support parts in the embodiment of figure 1 can be obtained by dividing a continuous beam part profile into two parts in the longitudinal direction. The two parts are placed side by side in the transverse direction Q according to the specified position.
  • the support beam 1 consisting of carrier 2, ironing cage 7 and concrete 6
  • the support beam 1 can be transported to the site and used there for the production of a ceiling system.
  • the support beam 1 is supported on supports (not shown) and a component, semi-finished or finished part 10 is then supported on the girder 1.
  • Connecting means are provided in the connection area between the supporting beam 1 and the finished part/component 10 .
  • an in-situ concrete layer 11 can be provided at least in the connection area between the supporting beam 1 and the component 10 .

Claims (15)

  1. Poutre (1), en particulier de structure composite, destinée à des systèmes de sols et plafonds, en particulier de structure composite, dans laquelle la poutre s'étend dans la direction longitudinale (L) et présente :
    une poutrelle en acier s'étendant dans la direction longitudinale (L) et constituée d'acier
    dans laquelle la poutrelle en acier (2) est réalisée en au moins deux pièces et présente au moins deux parties de poutrelle en acier s'étendant respectivement dans la direction longitudinale (L),
    dans laquelle la poutrelle en acier (2) présente une plaque de base (3) réalisée en deux pièces et présentant au moins deux parties de plaque de base (3a, 3b) s'étendant respectivement dans la direction longitudinale (L),
    la poutrelle en acier (2) présente au moins une, de manière préférée deux, âme(s) (4, 5) agencée(s) en biais, de manière préférée perpendiculairement, par rapport à ladite poutre et de manière préférée agencée(s) à distance de la plaque de base, et
    la poutrelle en acier présente au niveau de la plaque de base (3) une ou plusieurs saillie(s) (9) dépassant du reste de la poutre dans la direction transversale perpendiculaire à la direction longitudinale et permettant de supporter un ou plusieurs composant(s), dans laquelle la direction transversale s'étend horizontalement lorsque le ou les composant(s) est/sont supporté(s),
    caractérisée en ce que les parties de plaque de base (3a, 3b) sont agencées à distance l'une de l'autre dans la direction transversale.
  2. Poutre selon la revendication 1, présentant au moins par sections du béton (6) qui est durci de manière préférée sur le chantier lors de la mise en place afin de résister à la charge et/ou qui n'est de manière préférée pas du béton coulé sur place (11).
  3. Poutre selon l'une quelconque des revendications précédentes, dans laquelle les parties de poutrelle en acier (2) sont agencées à distance les unes des autres dans une direction transversale (Q) perpendiculaire à la direction longitudinale.
  4. Poutre selon l'une quelconque des revendications précédentes, dans laquelle les parties de poutrelle en acier sont symétriques les unes aux autres par rapport à l'axe longitudinal (L) de la poutre.
  5. Poutre selon l'une quelconque des revendications précédentes, dans laquelle les parties de poutrelle en acier sont agencées au niveau des régions de bord (R) de la poutre lorsqu'on les considère dans une direction transversale perpendiculaire à la direction longitudinale, et/ou se trouvent à distance les unes des autres dans la région centrale (M) de la poutre lorsqu'on les considère dans une direction transversale (Q) perpendiculaire à la direction longitudinale.
  6. Poutre selon l'une quelconque des revendications précédentes, dans laquelle la poutre présente une cage à étriers (7) constituée de manière préférée d'acier de ferraillage et/ou présentant des barres longitudinales (7a) et des étriers (7b), dans laquelle de manière plus préférée du béton (6) entoure au moins par sections, de manière préférée complètement, la cage à étriers (7).
  7. Poutre selon l'une quelconque des revendications précédentes, dans laquelle des moyens de liaison (8) installés au niveau de la poutrelle en acier s'étendent à travers des espaces libres de la cage à étriers (7) dans une direction transversale (Q) perpendiculaire à la direction longitudinale.
  8. Poutre selon l'une quelconque des revendications précédentes, présentant de manière préférée un blindage (12), de manière préférée sous la forme d'un revêtement formant une couche, contre la chaleur et/ou les flammes au niveau de la face inférieure de la plaque de base (3) ou de la ou des saillie(s).
  9. Procédé de fabrication d'une poutre (1) s'étendant dans la direction longitudinale (L) selon l'une quelconque des revendications précédentes, avec une extension souhaitée dans une direction transversale perpendiculaire à la direction longitudinale, destinée à des systèmes de sols et plafonds de structure composite, comprenant les étapes ci-dessous consistant à :
    fournir au moins deux parties de poutrelle en acier,
    déterminer la position des parties de poutrelle en acier les unes par rapport aux autres par rapport à la direction transversale en fonction de l'extension souhaitée de la poutre (2) dans la direction transversale,
    agencer les parties de poutrelle en acier en fonction de la position déterminée et de telle manière que les parties de poutrelle en acier s'étendent dans la direction longitudinale, dans lequel une distance (A) entre les parties de poutrelle en acier dans la direction transversale est éventuellement déterminée lors de la détermination de la position des parties de poutrelle en acier.
  10. Procédé selon la revendication 9, comprenant en outre la fourniture d'une cage de suspension (7) et l'agencement des pièces de support selon l'emplacement prédéterminé autour de la cage de suspension (7), pendant lequel la cage de suspension est de préférence dans sa configuration finale.
  11. Procédé selon l'une quelconque des revendications précédentes 9 à 10, dans lequel la fourniture d'au moins deux parties de poutrelle en acier implique qu'un profil continu de partie de poutrelle est divisé en au moins deux parties dans la direction longitudinale (L).
  12. Utilisation de la poutre (1) selon l'une quelconque des revendications précédentes 1 à 8 dans un système de sols et plafonds de structure composite, dans laquelle
    la poutre (1) est utilisée pour supporter au moins un composant, une pièce semi-finie, une pièce finie (10) ou une pièce en béton coulé sur place (11) ou un composant constitué d'autres matériaux.
  13. Système de sols et plafonds de structure composite, comprenant :
    au moins une poutre (1) selon l'une quelconque des revendications précédentes 1 à 8,
    au moins un composant (10), une pièce semi-finie ou une pièce finie, prenant appui sur la au moins une poutre (1), et
    une couche de béton coulé sur place (11) fournie au moins dans la région de liaison entre la au moins une poutre (1) et le composant (10), la pièce semi-finie et/ou la pièce finie.
  14. Procédé de fabrication d'un système de sols et plafonds (100) de structure composite, comprenant les étapes consistant à :
    mettre au moins une poutre (1) selon l'une quelconque des revendications 1 à 8 en appui sur des supports,
    mettre au moins un composant, une pièce semi-finie ou une pièce finie (10) en appui sur la au moins une poutre (1),
    fournir des moyens de liaison dans la région de liaison entre la au moins une poutre (1) et le composant, la pièce semi-finie ou la pièce finie (10).
  15. Procédé de fabrication d'un système de sols et plafonds (100) selon la revendication 14, comprenant l'étape consistant à :
    fournir une couche de béton coulé sur place (11) au moins dans la région de liaison entre la au moins une poutre (1) et le composant, la pièce semi-finie ou la pièce finie.
EP19748807.5A 2018-07-31 2019-07-31 Poutre porteuse pour systèmes de plafond, système de plafond et procédé de fabrication de ceux-ci Active EP3830356B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018212750.6A DE102018212750A1 (de) 2018-07-31 2018-07-31 Tragbalken für Deckensysteme, Deckensystem und Verfahren zu deren Herstellung
PCT/EP2019/070609 WO2020025664A1 (fr) 2018-07-31 2019-07-31 Poutre porteuse pour systèmes de plafond, système de plafond et procédé de fabrication de ceux-ci

Publications (3)

Publication Number Publication Date
EP3830356A1 EP3830356A1 (fr) 2021-06-09
EP3830356C0 EP3830356C0 (fr) 2023-06-07
EP3830356B1 true EP3830356B1 (fr) 2023-06-07

Family

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Application Number Title Priority Date Filing Date
EP19748807.5A Active EP3830356B1 (fr) 2018-07-31 2019-07-31 Poutre porteuse pour systèmes de plafond, système de plafond et procédé de fabrication de ceux-ci

Country Status (11)

Country Link
US (1) US11959278B2 (fr)
EP (1) EP3830356B1 (fr)
CN (1) CN112513387B (fr)
CA (1) CA3107390A1 (fr)
DE (1) DE102018212750A1 (fr)
ES (1) ES2950413T3 (fr)
HU (1) HUE062310T2 (fr)
PH (1) PH12021550198A1 (fr)
PL (1) PL3830356T3 (fr)
SG (1) SG11202100366RA (fr)
WO (1) WO2020025664A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1263406A (en) * 1970-02-13 1972-02-09 Vg Pi Teploelektroproekt Linear reinforced concrete element
SE457364B (sv) * 1987-05-11 1988-12-19 Joergen Thor Brandmotstaandskraftig bjaelklagsbalk av staal i samverkan med betong
AU754130B1 (en) * 2001-06-05 2002-11-07 Bonacci Beam Pty Ltd Building structural element
JP4265119B2 (ja) 2001-07-17 2009-05-20 横河電機株式会社 デジタルフィルタ
FI118817B (fi) 2002-05-29 2008-03-31 Teraespeikko Oy Teräspalkki
DE10232277A1 (de) * 2002-07-16 2004-02-19 Grepa Bausysteme Gmbh Verbunddeckensystem und Verfahren zum Herstellen eines Verbunddeckensystems
KR100747661B1 (ko) * 2005-12-07 2007-08-08 (주)엠씨에스공법 거푸집-콘크리트 복합보 및 이를 이용한 건축물 시공 방법
ATE526465T1 (de) 2008-01-07 2011-10-15 Soc Civ D Brevets Matiere Vorgefertigtes element zur herstellung einer stahlbetonplatte und so hergestellte platte
CN203403602U (zh) 2013-07-18 2014-01-22 杭州博数土木工程技术有限公司 钢模钢砼一体式组合梁结构
DE202015104628U1 (de) * 2015-09-01 2016-12-05 Pfeifer Holding Gmbh & Co. Kg Tragbalken für Deckensysteme und Deckensystem

Also Published As

Publication number Publication date
HUE062310T2 (hu) 2023-10-28
PH12021550198A1 (en) 2021-10-18
CN112513387A (zh) 2021-03-16
EP3830356C0 (fr) 2023-06-07
PL3830356T3 (pl) 2023-08-28
CA3107390A1 (fr) 2020-02-06
WO2020025664A1 (fr) 2020-02-06
EP3830356A1 (fr) 2021-06-09
US20210293022A1 (en) 2021-09-23
DE102018212750A1 (de) 2020-02-06
SG11202100366RA (en) 2021-02-25
US11959278B2 (en) 2024-04-16
CN112513387B (zh) 2023-05-23
ES2950413T3 (es) 2023-10-09

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