EP3230533A1 - Élément d'accouplement pour une construction composite de plafond en bois-béton - Google Patents

Élément d'accouplement pour une construction composite de plafond en bois-béton

Info

Publication number
EP3230533A1
EP3230533A1 EP15766732.0A EP15766732A EP3230533A1 EP 3230533 A1 EP3230533 A1 EP 3230533A1 EP 15766732 A EP15766732 A EP 15766732A EP 3230533 A1 EP3230533 A1 EP 3230533A1
Authority
EP
European Patent Office
Prior art keywords
coupling
bar
ceiling
timber
concrete
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.)
Granted
Application number
EP15766732.0A
Other languages
German (de)
English (en)
Other versions
EP3230533B1 (fr
Inventor
Jana DANKOVÁ
Tereza MURINOVÁ
Pavel MEC
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.)
Vysoka Skola Banska Technicka Univerzita Ostrava
Original Assignee
Vysoka Skola Banska Technicka Univerzita Ostrava
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 Vysoka Skola Banska Technicka Univerzita Ostrava filed Critical Vysoka Skola Banska Technicka Univerzita Ostrava
Publication of EP3230533A1 publication Critical patent/EP3230533A1/fr
Application granted granted Critical
Publication of EP3230533B1 publication Critical patent/EP3230533B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E04B5/16—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
    • 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

  • the solution concerns a coupling element for a timber-concrete ceiling composite construction.
  • the application of the utility model no. PUV 2009-21325 describes the technical solution of a combined roof beam for use in ceiling construction in new buildings as well as to replace existing ceiling beams or entire ceilings during building reconstruction.
  • the technical solution lies essentially in the base part of the ceiling beam being formed by an elongated, beam-like body made from construction or glued laminated timber.
  • At least one steel or plastic perforated bar, which is in the vertical plane, is glued parallel to its lengthwise axis onto the base part, partially embedded and its protruding part is perforated to insert the steel reinforcement of the concrete panel.
  • the timber beam is the support part of the concrete ceiling construction in ground constructions, mainly housing ones.
  • the combined ceiling beam with a glued steel or plastic coupling bar is composed of an elongated beam-like body, onto which a steel or perforated bar is glued using a coating of glue.
  • the combined ceiling beam with a glued perforated bar is composite with the reinforced concrete ceiling panel.
  • the application of the invention PV 2013-187 describes the invention of composite materials, specifically timber-concrete beams.
  • a coupled timber-concrete composite ceiling beam consist of a timber part and a reinforced concrete part.
  • the timber part is made from glued laminated timber and its dimensions are designed based on the load demands and the span of the final construction in which the beam will be used.
  • a continuous groove of special dimensions and geometry is cut in the top face of the timber part of the profile and in its axis.
  • a coupling bar made from hard- wearing waterproof plywood without any further surface working is glued into the groove.
  • the bar is made as an infinite component, its length is derived from the length of the beam.
  • the application of the utility model no. PUV 2014-274 9 describes the technical solution of support ceiling constructions, specifically composite timber-concrete beams.
  • the composite timber-concrete beam coupled with metal components is composed of a timber and reinforced concrete panel.
  • the reinforced concrete panel is made from concrete that has concrete reinforcement built into it, following which the surface of the panel is polished.
  • At least one timber beam with perforated metal plates is placed onto such finished panel in a way that the plates are embedded into the base concrete panel.
  • the length of the plates not covered in concrete is at least one third.
  • the connection of the perforated plates with the timber beam is executed by convex nails. The perforations on the plates are evenly placed.
  • the application of the utility model no. PUV 2011-24397 describes the technical solution of the structural strengthening of the existing timber beam ceiling construction. This solution is particularly suitable for old, historically preserved objects.
  • the solution lies in attaching a coupling component onto at least part of one beam. This coupling component is securely connected to the concrete support construction placed above the timber beams.
  • the technical solution also lies in the concrete support construction consisting of a monolithical, reinforced concrete panel and the concrete support construction being formed by a fiber-reinforced concrete panel. It is further important that the coupling component is composed of a bed bearer, whose bottom part is placed in the groove on the top surface of the beam, wherein the empty space in the groove is filled up with glue.
  • the bed bearer has openings into which the armature components of the concrete support construction are situated.
  • the application of the technical solution no. PUV 2011-23937 describes a ceiling construction equipped with a floor construction composed of layers of impact sound and acoustic insulation, particularly the construction of a beam ceiling composed of timber beams with joists.
  • the solution lies in the acoustic insulation being formed of at least one layer of fiber-reinforced concrete panels.
  • a flexible film may be placed on the layer of fiber-reinforced concrete panels and on top of it the floor itself.
  • the ceiling construction may be a beam ceiling made of timber beams with a joist, on top of which, in the family house version, is placed a layer of impact sound insulation, and placed on top of that is a layer composed of more than two fiber-reinforced concrete panels lying on each other.
  • a flexible film is placed over the joist, on this film is placed a layer of more than two fiber-reinforced concrete panels, on this is placed a layer of impact sound insulation, on top of which is another layer composed of more than two fiber-reinforced concrete panels lying on each other.
  • Timber beams may have a lower joist, which will have the function of cross sectional hardening.
  • a plasterboard dropped ceiling may be hung on the lower joist, wherein there is a layer of mineral insulation between it and the joist.
  • the international application no. W09411589 presents the invention of a timber- concrete floor, which lowers the transition of shearing load between the timber and concrete.
  • the floor contains a set of supports on brackets connected with the concrete panel.
  • the connection between the timber and concrete is secured by a panel with iron spikes.
  • the panels are partially inserted into the concrete and partially into the beams.
  • the objective of the invention is to design a coupled timber-concrete composite ceiling construction, which facilitates the realization of ceiling constructions that can transfer higher loads on larger dividers than is usually possible with this material and constructional arrangement of the particular construction.
  • the coupling element for a timber-concrete composite ceiling construction which lies in the coupling bar being implemented into the timber body of the coupling element, which partially overreaches the surface of the body of the coupling element, wherein the coupling bar has openings to insert the coupling reinforcements, and a set of openings or grooves to connect with the timber construction element and toothing on the bottom edge of the bar.
  • the coupling bar is securely connected to the body of the coupling element by a glued connection, which may be accomplished by using the appropriate glue when gluing in the workshop, so that the glued connection is secure and durable.
  • the ceiling beams have grooves onto which the coupling elements are arranged, wherein the coupling reinforcement is in contact with the lengthwise reinforcements which are then as a whole covered by the concrete panel.
  • the solution of the timber-concrete composite ceiling construction lies in the creation of a composite timber-concrete cross-section in the ceiling construction, where the concrete, or rather the timber-concrete part is under pressure and the timber part is predominately strained by pulling, or rather bending.
  • This effect is ensured using the specially shaped and arranged coupling element, which has a coupling bar implemented in it, which may have a variable shape as well as having a specific materia! composition. It is made from a hard-wearing waterproof thin timber plywood.
  • the coupling bar is glued between the timber body of the coupling element and is its fixed component.
  • the coupling bar is glued symmetrically to the center of the element's body and the coupling bar partially overreaches its profile.
  • the bar has openings to insert the coupling reinforcements and on the opposite end it is arranged in the groove formed in the timber element.
  • the coupling element is glued onto the top face of the ceiling beam, in which a groove for its gluing has been formed beforehand.
  • the ceiling construction created with the technology "Coupled timber-concrete composite ceiling construction DB-ECO II” has a higher load capacity and toughness, wherein the higher toughness means a higher resistance to vibration as opposed to traditional timber ceiling constructions.
  • This arrangement of the construction also allows for the realization of other construction measures and therefore the construction may achieve above standard qualities.
  • fig. 1 shows the sectional view of the ceiling construction with inserted coupling elements
  • fig. 2a shows the sectional view of the coupling element with the extended coupling bar
  • fig.2b shows a variation of the execution of the coupling bar with shallow grooves
  • fig. 2b shows a variation of the execution of the coupling bar with circular openings
  • fig. 2c shows the side view of the coupling element with the implemented coupling bar
  • fig. 3 shows the side sectional view of the ceiling construction with inserted coupling elements.
  • the invention concerns the coupling element 4, which is depicted in fig. 2a, fig. 2b and fig. 2c.
  • the coupling element 4 in this embodiment has a coupling bar 9 implemented into the timber body 10 of the coupling element 4, which partially overreaches the surface of the body 10 of the coupling element 4, wherein to insert the coupling reinforcements 6 the coupling bar 9 has several openings 11 and for connection with the timber construction component the coupling bar 9 has a series of openings 14 or grooves 12 and on the bottom edge toothing 13.
  • Coupling elements 4 can be arranged in the construction in various ways, e.g. close behind one another, with spaces between them, etc.
  • the size of the elements 4 is limited by the shape of the existing timber construction which is to be redeveloped using this technology and further limited by the weight of the element 4 so that the gluing of the element 4 into the top part of the ceiling beam 1 is feasible under the conditions of the construction site.
  • the shape of the coupling bar 9 is dependent on the method of gluing and the type of glue.
  • the technology of the composite construction elements is provided by the coupling system as described in this invention, which is the bearer of a higher load capacity and toughness of the ceiling construction.
  • the technology is applicable on existing timber ceiling constructions, an example of such ceiling construction is depicted in fig. 1.
  • the coupling elements 4 are made in the workshop using the industrial, or rather workshop method. It is a timber product, which may be made using for example the technologies of producing glued laminated timber, further referred to as GLT (LLD) so that when the coupling element 4 is assembled in the workshop, the coupling bar 9 can be glued in geometrically precise.
  • the coupling element 4 is roughly shaped as a small sized panel, or rather its height is systematically smaller than its width and length.
  • the size is limited by the total weight of the coupling element 4, wherein it is desirable to abide by the rule of easy manipulation with the coupling element 4 in the construction site.
  • the industrial, or rather workshop method is used to implement the middle part of the coupling bar 9, which is a fixed component of the coupling element 4 and overreaches (overhangs) its top face and under its bottom face.
  • the coupling bar 9 protrudes over the top face of the coupling element 4 with the part where it has circular openings 11. to insert the coupling reinforcement 6.
  • the coupling bar 9 protrudes over the bottom of the coupling element 4 with the part designed for the gluing of the ceiling beam 1 onto the pre-prepared groove 2 in its top face.
  • the groove 2 is filled with suitable glue. And glue is also applied on the coupling bar, or rather on its part that is designed to be glued onto the groove 2 which is prepared for the gluing by treating its surface and applying the glue. Afterwards the element 4 is inserted onto the groove 2, wherein the technological gluing process as specified by the glue manufacturer is abided.
  • the coupling bar 9 is treated using a special method. It is apparent from fig. 2a and fig. 2b that in the part designed for gluing onto the timber, the coupling bar 9 is equipped with toothing 13 and on the sides with shallow grooves 12 or perforations in the form of small openings 14.
  • the coupling bar 9 has openings H, for example circular, which are designed for insertion of the coupling reinforcement 6.
  • These coupling reinforcements 6 are arranged perpendicularly to the lengthwise reinforcements 7 made from reinforced steel.
  • the insulation 5 may be placed, for example heat or acoustic insulation. This way the ceiling construction will be lightened and its heat insulation and acoustic characteristics will be improved.
  • the concrete is applied and both reinforcements are covered in concrete as a whole, which creates the concrete panel 8.
  • the technology is applied as a new construction or as a reconstruction technology for reinforcing and narrowing of existing timber ceiling constructions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

L'élément d'accouplement (4) pour une construction composite de plafond en bois-béton comprend une barre d'accouplement (9), installée sur le corps en bois (10) de l'élément de d'accouplement (4), qui recouvre partiellement la surface du corps (10) de l'élément d'accouplement (4), la barre d'accouplement (9) comportant des orifices (11) pour insérer les renforts d'accouplement (6), et pour se raccorder à la poutre de plafond (1), la barre d'accouplement (9) comprenant plusieurs orifices (14) ou des gorges (12) et une denture (13) sur le bord inférieur.
EP15766732.0A 2014-12-12 2015-07-01 Élément d'accouplement pour une construction composite de plafond en bois-béton Active EP3230533B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ2014-901A CZ2014901A3 (cs) 2014-12-12 2014-12-12 Spřahovací dílec pro dřevobetonovou stropní spřaženou konstrukci
PCT/CZ2015/000069 WO2016091227A1 (fr) 2014-12-12 2015-07-01 Élément d'accouplement pour une construction composite de plafond en bois-béton

Publications (2)

Publication Number Publication Date
EP3230533A1 true EP3230533A1 (fr) 2017-10-18
EP3230533B1 EP3230533B1 (fr) 2020-06-17

Family

ID=54150194

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15766732.0A Active EP3230533B1 (fr) 2014-12-12 2015-07-01 Élément d'accouplement pour une construction composite de plafond en bois-béton

Country Status (3)

Country Link
EP (1) EP3230533B1 (fr)
CZ (1) CZ2014901A3 (fr)
WO (1) WO2016091227A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT521425A1 (de) * 2018-07-04 2020-01-15 Klasch Spezial Bauartikel Gmbh Deckenkonstruktion

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH687397A5 (fr) 1992-11-14 1996-11-29 Bettex Fabienne Plancher mixte bois-beton.
US5809722A (en) 1997-02-06 1998-09-22 Keith M. Wright Girder supported reinforced concrete slab building structures with shearing connectors, and methods of constructing the building structures and connectors
DE19808208A1 (de) 1998-02-27 1999-09-02 Fischer Artur Werke Gmbh Verbindungselement zum Verbinden von Holz und Beton
CZ19783U1 (cs) 2009-04-17 2009-06-29 Trojánek@Pavel Zařízení pro vydávání hygienických návleků na obuv
CZ22649U1 (cs) 2011-02-16 2011-09-01 Výzkumný ústav stavebních hmot, a. s. Stropní konstrukce opatřená podlahovou konstrukcí
CZ22590U1 (cs) 2011-05-26 2011-08-15 Arming Spol. S R.O. Statické zesílení stávající dřevěné trámové stropní konstrukce
CZ2013187A3 (cs) 2013-03-13 2014-09-24 Vysoká Škola Báňská-Technická Univerzita Ostrava Kompozitní dřevobetonový spřažený stropní nosník
CZ25368U1 (cs) 2013-03-13 2013-05-13 Vysoká skola bánská-Technická univerzita Ostrava Kompozitní dřevobetonový spřažený stropní nosník
CZ27419U1 (cs) 2014-02-17 2014-10-20 Vysoká škola báňská- Technická univerzita Ostrava Kompozitní dřevobetonový nosník spřažený kovovými prvky

Also Published As

Publication number Publication date
WO2016091227A1 (fr) 2016-06-16
EP3230533B1 (fr) 2020-06-17
CZ2014901A3 (cs) 2016-06-22

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