EP3591130B1 - Structure de plafond - Google Patents

Structure de plafond Download PDF

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Publication number
EP3591130B1
EP3591130B1 EP19175583.4A EP19175583A EP3591130B1 EP 3591130 B1 EP3591130 B1 EP 3591130B1 EP 19175583 A EP19175583 A EP 19175583A EP 3591130 B1 EP3591130 B1 EP 3591130B1
Authority
EP
European Patent Office
Prior art keywords
steel elements
steel
elements
beams
plate
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
EP19175583.4A
Other languages
German (de)
English (en)
Other versions
EP3591130A1 (fr
EP3591130C0 (fr
Inventor
Klaus Schiermair
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.)
Klasch Spezial Bauartikel GmbH
Original Assignee
Klasch Spezial Bauartikel GmbH
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Filing date
Publication date
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Publication of EP3591130A1 publication Critical patent/EP3591130A1/fr
Application granted granted Critical
Publication of EP3591130B1 publication Critical patent/EP3591130B1/fr
Publication of EP3591130C0 publication Critical patent/EP3591130C0/fr
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Anticipated expiration legal-status Critical

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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
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/12—Load-carrying floor structures formed substantially of prefabricated units with wooden beams
    • 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
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • 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
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • E04G23/0237—Increasing or restoring the load-bearing capacity of building construction elements of storey floors
    • 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
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0285—Repairing or restoring flooring
    • 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
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0288—Repairing or restoring floor slabs
    • 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
    • E04B2005/232—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with special provisions for connecting wooden stiffening ribs or other wooden beam-like formations to the concrete slab
    • 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
    • E04B2005/232—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with special provisions for connecting wooden stiffening ribs or other wooden beam-like formations to the concrete slab
    • E04B2005/235—Wooden stiffening ribs or other wooden beam-like formations having a special form
    • 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
    • E04B2005/232—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with special provisions for connecting wooden stiffening ribs or other wooden beam-like formations to the concrete slab
    • E04B2005/237—Separate connecting elements

Definitions

  • This invention relates to a ceiling construction according to the preamble of claim 1.
  • the invention also relates to a ceiling construction according to the preamble of claim 2.
  • AT398797B discloses the mechanical connection of reinforced heavy concrete by means of anchors to a wooden beam, the anchors being introduced into the wooden beam to form a mechanical bond. AT398797B does not disclose that the anchors form an alignment with their free end with a defined inclination.
  • EP0269497A1 discloses a method of reinforcing wood members. There is no reference in this document to aligning the reinforcement element with the wooden part.
  • GB2134956A discloses a method for upgrading the mechanical properties of a wooden beam, steel rods being introduced into a longitudinal slot machined in the wooden beam.
  • steel rods being introduced into a longitudinal slot machined in the wooden beam.
  • FR2728293 is limited purely to the reinforcement of a bent beam, where a reinforcement element with a T-shaped cross-section is inserted at different depths into the beam so that the flange of the T-shaped cross-section contacts an adjacent surface of the beam. It can be found in this document - in particular with reference to the figure 1 from FR2728293 - no indication of the orientation of the stiffening element such that a horizontal plane for a floor is created by the stiffening element.
  • FR2760478A1 also does not disclose the creation of a horizontal plane for a floor by introducing the stiffening elements.
  • Figure 14 of DE60310450T2 discloses wooden beams, in which wooden beams connecting elements 39 made of steel are introduced transversely to the longitudinal extent of the wooden beams.
  • the connecting elements have the task of counteracting gravitational forces.
  • the threaded rods 41 provided for absorbing tensile forces are not incorporated into the wooden beams.
  • the in Figure 24 of DE63145T2 The cross braces shown are also not suitable for absorbing the tensile forces of a beam.
  • DE202006015693 discloses the use of lattice girders to provide a shear-resistant connection between the members of the structure.
  • the document does not disclose that the level of the floor is defined by aligning the trusses; the latter takes place via the concrete layer.
  • EP0568441A1 , DE102017119096 , WO2004065713 do not disclose forming a horizontal geometric plane by inserting the steel elements into a slot in a beam.
  • the wooden beams of a ceiling structure undergo deflection over the period of use, which deflection is increasingly plastic depending on the duration of the deflection of the wooden beams.
  • the old, existing wooden ceiling structure is often provided with a layer of concrete in order to compensate for the deflection with the help of the concrete layer. A level and horizontal floor is restored over the applied concrete layer.
  • the object of the invention is therefore to offer a ceiling construction in which the original wooden tram ceiling or dippel tree ceiling, which has been severely plastically deformed over the course of time, is retained.
  • a wooden tram deck and a dippel tree deck comprise a number of wooden beams which are arranged at a distance from one another or lying next to one another.
  • the support mentioned can also be part of a brick suspended ceiling.
  • the object of the invention is to reinforce the carrier of the suspended tiled ceiling and thus to maintain the ceiling system formed by the suspended tiled ceiling.
  • this is further achieved in the case of a beam with a steel element applied to the upper side of the beam in that the steel elements comprise an adjusting element, the height of which can be adjusted, for forming a horizontal geometric plane that extends over a number of beams and above the beam, which geometric plane passes through the upper edges of the steel elements are defined in a punctiform and/or linear manner and is designed as a rigid floor construction articulated on the steel elements.
  • the ceiling construction according to the invention can be applied to ceiling constructions, which ceiling constructions comprise several beams extending over a ceiling panel.
  • the beams are to be understood as static elements, which static elements are essentially subjected to bending loads.
  • the carriers can also be designed as a single-span carrier or as a multi-span carrier.
  • the carriers can have any desired cross section.
  • the beams in a dip tree deck, the beams have a cross-sectional shape of a semicircle with the flat side down.
  • the beams In the case of a wooden tram ceiling, the beams have the shape of a rectangle.
  • the specialist chooses the form of connection of the steel element to the individual beam. Furthermore, the condition of the individual wearer must be taken into account, if necessary.
  • the disclosure of the invention also includes that the steel elements are connected to the beams by different connection techniques. In the following description, some possible embodiments for producing a connection between the steel element and the beam are described.
  • the steel element is preferably connected to the beam by a connecting means that transmits tensile forces, such as an adhesive.
  • a connecting means that transmits tensile forces, such as an adhesive.
  • the steel elements can also be glued onto the upper side of the beam facing the plane to be produced.
  • a beam will be provided with a slot at its top, into which slot the steel element is inserted.
  • the bond between the steel element and the beam or the plate can be achieved by clamping the steel element and thus by friction.
  • the steel element can be glued into the slot and/or the connection can be made using mechanical connecting means such as pins, screws and the like.
  • a bond between the beam or the plate and the steel element produced via the friction between the steel element and the girder or the plate - at least during the period of manufacture of the ceiling construction according to the invention - has the advantage that the steel element, by overcoming the friction (e.g. by knocking ) can be aligned very easily to the carrier or to the plate.
  • the steel element can be glued to a surface of the support facing the geometric plane to be produced or can be connected to this surface by means of mechanical connecting means.
  • the steel element can, for example, comprise a nail plate, with the nails being introduced into the carrier in order to produce a connection between the steel element and the carrier.
  • the floor construction is a self-supporting, rigid element.
  • the floor construction can be made of dovetail panels.
  • the dovetail plates are to be regarded as rigid elements.
  • the floor construction can include a screed or a concrete layer.
  • the specialist creates a suitable concrete structure for the production of the screed or the concrete layer.
  • Prefabricated concrete elements can also be used as a floor construction within the scope of the invention.
  • a composite beam By creating a bond between the floor construction and the existing beam or to the existing plate through the steel element, a composite beam is created which can be fully loaded immediately after its manufacture.
  • the load-bearing capacity of the composite beam comprising the existing beams and the steel elements is significantly higher than the load-bearing capacity of the original beam.
  • this is achieved in the case of a plate with a slot for introducing the steel element in that the steel elements in the pressure zone or in the tension zone of the plate are aligned to form a horizontal geometric plane extending across the plate, which geometric plane passes through the upper edges of the Steel elements is defined point-like and / or linear and is designed as a hinged to the steel elements, rigid floor construction.
  • the ceiling construction according to the invention is characterized in that the static height of the ceiling construction is greater than that of the existing carrier. It thus becomes the moment of inertia of the existing beam while creating a horizontal plane. This is the case in the application described above on an existing carrier as well as in the application described below on an existing plate.
  • this is achieved in the case of a plate having a steel element attached to the upper side of the plate in that the steel elements are aligned with an adjusting element whose height can be adjusted in order to form a horizontal geometric plane that extends over a number of supports and above the supports, which geometric plane passes through the upper edges of the steel elements are defined in a punctiform and/or linear manner and is designed as a rigid floor construction articulated on the steel elements.
  • the above floor construction embodiments are also applicable to existing slabs.
  • a composite panel is created.
  • the above-mentioned techniques for making a bond between the beam and the steel member can also be used for making a bond between the plate and the steel member.
  • the load-bearing capacity of the composite panel is significantly higher than the load-bearing capacity of the original panel.
  • the slab can be an existing concrete slab, for example, which concrete slab was produced with too low a load-bearing capacity.
  • the extent of increasing the load-bearing capacity of the existing beam or slab depends essentially on the dimensioning of the steel elements and the floor construction.
  • a person skilled in the art can form a steel element as a rod, which rod is introduced, for example, from above into the beam cross section or into the plate cross section.
  • a steel element designed as a bar has no appreciable influence on the load-bearing capacity of the composite body, since no appreciable force can be transmitted from the beams or the slab into the floor construction by means of bars. Bars can only transfer small shear forces in composite beams compared to the following embodiments.
  • the steel element may be formed as a plate-shaped element, which plate-shaped element is connected to the beam or the plate parallel to the longitudinal direction of the latter. It is conceivable that several plate-shaped elements with a defined plate length are arranged over the carrier length or plate length. Likewise, a steel element extending the length of the beam or a highly loaded partial length of the beam or plate can be arranged on the beam.
  • the beams or the plate and the floor construction are subjected to compression or tension and the steel elements to shearing stresses.
  • the ceiling construction according to the invention is characterized in that all elements are installed in the dry state.
  • the connected elements can therefore be loaded immediately after the respective composite has been produced.
  • pin longitudinal axis of the pin-shaped connecting elements When producing a connection between the beam or the plate and the steel element by means of screws and/or glued-in pins as pin-shaped connecting elements, it is advantageous for the pin longitudinal axis of the pin-shaped connecting elements to be oriented essentially parallel to a service cutting force.
  • a screw screwed into wood and a pin glued into wood can be loaded with a significantly lower force in the transverse direction than in the longitudinal direction.
  • the person skilled in the art is able to calculate or estimate the size and direction of the forces occurring during a service load in the connection between the beam or the plate and the steel element in the ceiling construction according to the invention using the usual teachings of statics.
  • the person skilled in the art arranges and aligns the pin-shaped connecting means according to this calculation or estimate.
  • the steel element surface of the steel elements may be formed as a rough surface.
  • the person skilled in the art selects the roughness of the steel element surface in such a way that the static friction between the steel element and the carrier reaches a maximum.
  • the steel element surface can be provided with a sand or other granular material, for example.
  • the steel element surface can, for example, be designed with protrusions in the form of spikes, which spikes are introduced into the carrier to produce a composite.
  • the prongs may also have a function of making the slit when making a slit in the carrier.
  • the steel elements can also have abutments on their steel element surface, which abutments are introduced into the carrier to produce a composite.
  • the steel elements can also have a wave-like shape.
  • the corrugation axis of the corrugation may be oriented perpendicularly to a shearing force acting in the contact area between the beam and the steel member.
  • the contact surface between the steel element and the carrier can be increased and/or a form fit between the carrier and the steel element can be produced via the corrugated shape.
  • the steel element can also have bores for producing a form-fitting connection between the carrier and the steel element.
  • the adhesive When making a bond between the steel element and the beam, the adhesive also enters the holes created by them cavities, so that the solidified adhesive forms a form-fitting bond with the steel element in addition to an adhesive bond.
  • the ceiling construction according to the invention can be characterized in that the steel elements include supports for receiving the floor construction.
  • Such supports facilitate assembly.
  • the supports advantageously include an impact sound insulation element. According to current teaching, the impact sound is transmitted to a lesser extent to the wooden beams underneath.
  • the inventive arrangement of the steel elements on the beam or the plate and the support of a rigid floor construction on the steel elements creates a new ceiling construction compared to the ceiling constructions according to the prior art, which is characterized by an increase in load-bearing capacity, low dead weight, high sound insulation, good Fire protection and a low installation height.
  • FIG 1 and Figure 2 illustrate the manufacture of an embodiment of the ceiling construction according to the invention.
  • figure 3 shows this embodiment of the ceiling construction according to the invention.
  • figure 4 illustrates the manufacture of a further embodiment of the ceiling construction according to the invention.
  • figure 1 shows a classic double tree cover comprising (from bottom to top) double trees 1, an original fill 2 and an original floor structure 3.
  • the original floor structure 3 consists of bricks 3, which are placed on the original fill 2.
  • the original floor structure 3 and the original fill are cleared away.
  • selected dipsticks of the exposed dipsticks 1 are slit and the slit made in the selected dipstick is filled with an adhesive.
  • a steel element is inserted as a new system carrier into the slot filled with adhesive.
  • figure 2 illustrates this manufacturing process using a dip tree ceiling, with a first selected dip tree 5 being slit on its upper side 8, with a second dip tree 6 the slot 9 produced being filled with an adhesive 10 and with a third dip tree 7 a steel element 11 as a new system carrier in the with Adhesive 10 filled slot 9 is introduced.
  • the specialist fills the slot 9 - as in figure 2 shown - only to a partial area, so that when the steel element 11 is introduced, an excess adhesive 10 is not driven out of the slot 9 .
  • the steel element 11 contacts the slot surface with partial steel element areas, so that there is static friction between the steel element 11 and the third dip beam 7 .
  • the height of the steel element 11 can be aligned with the third dimple tree 7 .
  • FIG 3 shows a manufactured embodiment of the ceiling construction according to the invention.
  • Selected duplex trees 5, 6, 7 are slit on their surfaces, with the slits 9 an adhesive 10 and a steel element 11 are introduced.
  • the steel elements 11 and the surfaces of the slots 9 are in frictional contact, so that the steel elements 11 can be aligned in their height relative to the respective dip trees 5, 6, 7 by overcoming the frictional forces between the steel element 11 and the selected dip tree 5, 6, 7, so that the upper edge 12 of the steel elements 11 form an altitude 13 .
  • a geometric plane 14 is formed by the upper edges 12 of the steel elements 11, which geometric plane 14 extends over a plurality of duplex trees 1 and above these duplex trees 1.
  • the geometric plane 14 runs congruently with the lower edge 16 of the floor construction 15.
  • the rigid floor construction 15 extends over the steel elements 11 that are spaced apart from one another.
  • the static elements of the ceiling structure namely the floor structure 15, the steel elements 11 and the wooden pillars 1 are structurally connected to one another, so that when the ceiling structure is stressed by bending, the wooden pillars 1 are subjected to tension and compression and the floor structure 15 to compression.
  • the steel elements 11 connecting the wooden pillars 1 and the floor construction 15 are loaded in shear.
  • the floor construction 15 is made of state-of-the-art aluminum elements.
  • the person skilled in the art recognizes that, among other things, due to the lack of fill 2, the ceiling construction according to the invention has a significantly lower weight than the original, in figure 1 ceiling construction shown.
  • figure 4 shows a further embodiment of the ceiling construction according to the invention, which is based on a wooden tram ceiling according to the prior art.
  • wooden tram ceiling all elements are removed except for the wooden beams 1 and a board layer 18 lying on the wooden beams 1 .
  • the board layer 18 can be retained in the ceiling construction according to the invention for primarily visual reasons, especially since the board layer 18 can have ornaments on its underside in existing ceilings.
  • the wooden beams 1 comprise a slot 9, which slot 9 is partly filled with an adhesive 10.
  • a steel element 11 is inserted into a slot 9 in the case of non-hardening or non-hardening adhesive 10 .
  • the steel elements 11 are aligned in their height 13 to the wooden beam 1 that the upper edges 12 of the steel elements 11 define a geometric plane 14 .
  • the geometric plane 14 extends over several wooden beams 1 and runs above the wooden beams 1.
  • figure 5 shows a longitudinal section of the in figure 4 wooden beam 1 shown in cross section.
  • Several steel elements 1 are distributed over the length of the wooden beam 1 .
  • the steel elements 11 at the ends 20 of the wooden girder 1 are shorter in length than the steel element 11 in the central area 19 of the wooden girder 1.
  • the central area 19 of the wooden girder 1 sags current teaching, the maximum of the bending load and the resulting maximum of the tensile and compressive forces (from the bending) and the maximum of the shearing forces.
  • the shear force that can be transmitted via the combination of steel element 11 and wooden beam 1 is essentially determined by the size of the contact surface of wooden beam 1 and steel element 11 .
  • the steel element 11 in the central area 19 has a greater length than the steel elements 11 at the ends 20 of the wooden beam 1.
  • slot 9 in which slot 9 the steel element 11 is inserted in a form-fitting manner, extends over the board layer 18 and the wooden support 1.
  • the slot 9 is made by sawing the board layer 18 and the wooden support, for example using a circular saw. If necessary, the board layer 18 is attached to the wooden support 1 beforehand.
  • figure 4 and figure 5 show that the space between the floor construction 15 and the board layer 18 is designed as an air space.
  • the expert can also arrange an insulating material in this space.
  • FIG 6 shows a further embodiment not according to the invention of the ceiling construction.
  • the ceiling construction comprises existing, plastically deformed girders 1, which girders 1 have a pressure zone and a tension zone under load.
  • At least one steel element 11 is connected mechanically and/or adhesively to the surface of a support, with the steel elements 11 comprising a height-adjustable actuating element for forming a horizontal geometric plane that extends over a plurality of supports and above the supports, which geometric plane 14 is defined in points and/or lines by the upper edges 12 of the steel elements 11 and is designed as a rigid floor construction articulated on the steel elements 11 .
  • figure 7 shows a view and a sectional image of an embodiment of a steel element 11 with a rough surface in some areas.
  • the steel element 11 has a jagged shape at its insertion edge 21 as a partial area of the surface of the steel element 11 .
  • the steel element 11 is formed by pressing the insertion surface 21 into an in figure 7 Not shown wooden tram 1 pressed.
  • the user can insert the steel element 11 a Provide a slot 9 in the wooden tram 1 or create the slot 9 in the wooden tram 1 by pressing in the steel element 11 .
  • the rough surface of the steel element which is used in the in figure 7 shown embodiment of the steel element 11 is designed in the form of spikes on the insertion edge 21, serves to increase the transmission of shear forces between the in figure 7 Wooden tram 1, not shown, and the steel element, since the spikes introduced into the wooden tram 1 act as an abutment.
  • the steel element 11 further includes bores 22 in the immediate vicinity of the introduction edge 21.
  • the person skilled in the art can provide a slot 9 in the wooden tram 1 as described above.
  • the specialist also fills the slot 9 with an adhesive and then brings the in figure 7 shown steel element 11 in the wooden tram 1.
  • the still liquid adhesive extends through the holes 22 and solidifies as a through the holes 22 extending body.
  • the resulting form fit further increases the maximum force to be transmitted between the steel element 11 and the wooden tram 1 . This force can be included in calculations as shear force.
  • the adhesive which has not yet solidified can extend further between the prongs on the insertion edge 21 and solidify as such a body. This also causes the maximum force that can be transmitted between the steel element 11 and the wooden tram 1, which force can be taken into account in calculations as a shearing force, to be increased by the form fit that occurs.
  • figure 8 partially shows a further embodiment of the ceiling construction not according to the invention.
  • the figure 8 shows two carriers 1, the upper edges of which have a different height level.
  • the different elevation levels are illustrated by the elevation marks.
  • the different height levels of the top edges can be caused, for example, by plastic deformation or by an inaccurate laying of the carrier 1 relative to one another.
  • Steel elements 11 are arranged on the upper edge of the girder 1, which upper edge represents a part of the surface of the girder 1, which steel elements 11 are connected to the girder 1 by screws 23.
  • the specialist can instead of in figure 8 entered screws 23 also provide other suitable connecting means for a mechanical and / or adhesive bond of a steel element 11 with a surface of a beam 1.
  • the steel element 11 can be adjusted in its height position relative to the carrier 1.
  • the person skilled in the art can thus form a geometric plane 14 that is defined by the upper edge of the steel elements 11 and extends over a plurality of supports 1 by adjusting the height of the steel elements 11 .
  • a person skilled in the art can introduce wedges into a cavity between a support 1 and a steel support 11 to adjust the height of the steel support 11 .
  • figure 9 shows a sectional view of a further embodiment of the ceiling construction according to the invention.
  • the ceiling construction according to the invention is based on existing, plastically deformed girders 1, with the upper edges of the girders 1 having different height levels, as is shown in figure 9 is illustrated by the elevation marks.
  • the carriers 1 each comprise a slit 9, which slit 9 is provided with an adhesive 1.
  • a steel element 11 is introduced into each slot 9, with a U-beam open at the bottom being connected as a further steel element 24 to the upper edge of the steel element.
  • the introduction of the steel element 11 into the slot filled with adhesive takes place from the point of view of producing a minimum adhesive surface between the steel element 11 and the adhesive and from the point of view of producing a geometric plane 14, which plane 14 is defined by the upper edge of the other steel elements 24.
  • the wooden beam 1 When the ceiling structure is subjected to a bending load, the wooden beam 1 can be loaded with a tensile force, while the other steel beam 24 is loaded with a compressive force.
  • the rigid floor construction (in figure 9 symbolized by plane 14) prevents the other steel elements from buckling under pressure.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Floor Finish (AREA)

Claims (10)

  1. Construction de plafond comprenant
    des poutres (1) déformées plastiquement, lesdites poutres (1) présentant, sous charge, une zone de compression et une zone de traction,
    des éléments en acier (11),
    au moins un élément en acier (11) étant relié mécaniquement et/ou par adhérence à une poutre (1) respective par être introduit dans une fente (9) disposée sur la face supérieure de la poutre (1) en réalisant une poutre composite,
    les éléments en acier (11) étant disposés dans la zone de compression des poutres (1) ou dans la zone de traction des poutres (1),
    caractérisée en ce que
    les éléments en acier (11) sont orientés dans la fente (9) pour former un plan géométrique horizontal s'étendant sur plusieurs poutres et au-dessus des poutres,
    ledit plan géométrique (14) étant défini comme un plan s'étendant en forme de point et/ou de ligne exclusivement à travers les bords supérieurs (12) des éléments en acier (11) et
    ledit plan géométrique (14) étant réalisé en forme d'une construction de plancher rigide en flexion, articulée exclusivement aux bords supérieurs (12) des éléments en acier (11),
    ledit plan géométrique (14) coïncidant avec le bord inférieur (16) de la construction de plancher (15) lorsque la construction de plancher (15) rigide en flexion est articulée aux bords supérieurs des éléments en acier (11).
  2. Construction de plafond comprenant
    une plaque existante, déformée plastiquement, ladite plaque présentant, sous charge, une zone de compression et une zone de traction,
    des éléments en acier (11) répartis sur l'étendue de la surface de la plaque, lesdits éléments en acier (11) étant reliés à la plaque mécaniquement et/ou par adhérence en étant introduits dans une fente (9) disposée sur la face supérieure de la plaque en réalisant une plaque composite, lesdits éléments en acier (11) étant disposés dans la zone de compression ou dans la zone de traction de la plaque,
    caractérisée en ce que
    les éléments en acier (11) sont orientés dans la fente (9) pour former un plan géométrique (14) horizontal s'étendant sur la plaque,
    ledit plan géométrique (14) étant défini comme un plan s'étendant en forme de point et/ou de ligne exclusivement à travers les bords supérieurs (12) des éléments en acier et
    ledit plan géométrique (14) étant réalisé en forme d'une construction de plancher rigide en flexion, articulée exclusivement aux bords supérieurs (12) des éléments en acier (11),
    ledit plan géométrique (14) coïncidant avec le bord inférieur (16) de la construction de plancher (15) lorsque la construction de plancher (15) rigide en flexion est articulée aux bords supérieurs des éléments en acier (11).
  3. Construction de plafond selon la revendication 1,
    caractérisée en ce que
    les éléments en acier (11) comprennent un élément de réglage réglable dans son extension en hauteur pour former le plan géométrique horizontal s'étendant sur plusieurs poutres et au-dessus des poutres.
  4. Construction de plafond selon l'une des revendications 1 à 3, caractérisée en ce que
    les éléments en acier (11) sont reliés aux poutres (1) ou à la plaque par des éléments de liaison en forme de goupille.
  5. Construction de plafond selon l'une des revendications 1 à 4, caractérisée en ce que
    une zone partielle de la surface des éléments en acier (11) est réalisée de manière rugueuse.
  6. Construction de plafond selon l'une des revendications 1 à 5,
    caractérisée en ce que
    les éléments en acier (12) sont reliés aux poutres (1) ou à la plaque par l'intermédiaire de butées et/ou par une configuration en forme de dents d'une zone partielle de la surface des éléments en acier.
  7. Construction de plafond selon l'une des revendications 1 à 6, caractérisée en ce que
    les éléments en acier (11) ont une forme ondulée.
  8. Construction de plafond selon l'une des revendications 1 à 7, caractérisée en ce que
    les éléments en acier (11) ont un perçage.
  9. Construction de plafond selon l'une des revendications 1 à 8, caractérisée en ce que les éléments en acier (11) comprennent des appuis pour recevoir la construction de plancher.
  10. Construction de plafond selon la revendication 9, caractérisée en ce que
    les appuis comprennent un élément d'isolation contre les bruits de pas.
EP19175583.4A 2018-07-04 2019-05-21 Structure de plafond Active EP3591130B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50578/2018A AT521425A1 (de) 2018-07-04 2018-07-04 Deckenkonstruktion

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EP3591130A1 EP3591130A1 (fr) 2020-01-08
EP3591130B1 true EP3591130B1 (fr) 2023-07-12
EP3591130C0 EP3591130C0 (fr) 2023-07-12

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EP (1) EP3591130B1 (fr)
AT (1) AT521425A1 (fr)

Citations (3)

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EP0939175A2 (fr) * 1998-02-27 1999-09-01 Fischerwerke Arthur Fischer GmbH & Co. KG Elément de connection pour assembler du bois et du béton
CN103195204A (zh) * 2013-03-29 2013-07-10 苏州皇家整体住宅系统股份有限公司 木材-混凝土复合结构
WO2016091227A1 (fr) * 2014-12-12 2016-06-16 Vysoká Škola Báňská - Technická Univerzita Ostrava Élément d'accouplement pour une construction composite de plafond en bois-béton

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DE880939C (de) 1940-11-02 1953-06-25 Hoechst Ag Verfahren zur Polymerisation ungesaettigter Verbindungen
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GB2134956A (en) 1983-02-10 1984-08-22 Rickards Timber Treatment Limi Upgrading or restoring a timber beam
FR2606057B1 (fr) 1986-11-04 1990-10-12 Wolf Philippe Renforcement d'elements de charpente par insertion de plaques a haute resistance
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EP0939175A2 (fr) * 1998-02-27 1999-09-01 Fischerwerke Arthur Fischer GmbH & Co. KG Elément de connection pour assembler du bois et du béton
CN103195204A (zh) * 2013-03-29 2013-07-10 苏州皇家整体住宅系统股份有限公司 木材-混凝土复合结构
WO2016091227A1 (fr) * 2014-12-12 2016-06-16 Vysoká Škola Báňská - Technická Univerzita Ostrava Élément d'accouplement pour une construction composite de plafond en bois-béton

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Publication number Publication date
AT521425A1 (de) 2020-01-15
EP3591130A1 (fr) 2020-01-08
EP3591130C0 (fr) 2023-07-12

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