EP2450497A2 - Bouchon en béton armé et procédé de fabrication d'un élément composite béton-bois - Google Patents

Bouchon en béton armé et procédé de fabrication d'un élément composite béton-bois Download PDF

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Publication number
EP2450497A2
EP2450497A2 EP11185598A EP11185598A EP2450497A2 EP 2450497 A2 EP2450497 A2 EP 2450497A2 EP 11185598 A EP11185598 A EP 11185598A EP 11185598 A EP11185598 A EP 11185598A EP 2450497 A2 EP2450497 A2 EP 2450497A2
Authority
EP
European Patent Office
Prior art keywords
concrete
plug
reinforcing core
pot
formwork
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
EP11185598A
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German (de)
English (en)
Other versions
EP2450497B1 (fr
EP2450497A3 (fr
Inventor
Holger Rupprecht
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Individual
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Individual
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Publication date
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Publication of EP2450497A2 publication Critical patent/EP2450497A2/fr
Publication of EP2450497A3 publication Critical patent/EP2450497A3/fr
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Publication of EP2450497B1 publication Critical patent/EP2450497B1/fr
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    • 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
    • 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 present invention relates to a reinforced concrete plug and a plurality of mutually alternative methods for producing a concrete-wood composite element.
  • the present invention therefore has the object to solve the problem of connecting wood / concrete composite elements for the creation of wood / concrete composite structures with simpler means and more cost-effective.
  • this object is achieved according to the invention by a reinforced concrete plug having a cylindrical metallic reinforcing core and a reinforcing core penetrating and surrounding it. Due to its metallic support core, such a reinforced concrete plug can considerably increase the breaking strength and flexibility with respect to the occurring shear forces and thus offers the desired tensile strength.
  • An alternative solution according to the invention with respect to the concrete plug provides a reinforced concrete plug having a cylindrically shaped metallic cladding tube and a high strength concrete mass substantially filling the cylinder cavity.
  • the particularly high shear strength stands out, because here the Switzerlandspannent the cladding tube can be combined with the compressive strength of filled with high-strength concrete cavity advantageous.
  • the latter variant can be upgraded to the effect that the cladding tube on one side over the concrete mass has a supernatant, wherein in the supernatant slit-like incisions are formed. In this way, the formation of voids at the top of the concrete plug when pouring the concrete element (simultaneous pouring of the concrete plug) can be safely excluded.
  • the reinforced concrete plug can also be formed such that the cladding tube has a projection over the concrete mass on one side, wherein the supernatant has crescent-shaped recesses for supporting a washer or a screw head.
  • the concrete plug can be held with an externally mounted screw in the pot hole or on the wooden structure, whereby a mounted in the concrete plug central hole can be avoided.
  • the screw head or the washer then lie on the crescent-like shaped recess and thus keep the concrete plug in position.
  • the reinforcing core can be designed advantageously as a wire cage.
  • a reinforcement is easy to produce and can be incorporated very well into a flowing concrete.
  • a particularly simple design results, for example, when the reinforcing core is designed in the form of a rolled-up wire mesh. In principle, it is also possible to encase metallic fibers in such a concrete plug.
  • the concrete plug should in the present case have a substantially cylindrical shape, wherein the concrete plug may also have a conical or frustoconical shape. Also, a bottle-like bulbous shape is possible. These abovementioned forms are also to be understood by the term of the substantially cylindrical shape.
  • the concrete plug may also have an annular groove, for example, to accommodate cross-loads in prefabrication.
  • both methods ultimately produce the desired result of a shear-resistant, ductile composite of the wooden support structure and the flat concrete slab relative to each other.
  • the reinforced concrete stoppers are to be inserted into the holes and fastened in them.
  • the reinforcing body is inserted into the hole and fixed therein.
  • the necessary bond with concrete plug or reinforcing core is subsequently produced by introducing / pouring in a flowable concrete.
  • the pot-like hole on the hole bottom with a vertical or laterally extending, exiting the wooden beam venting channel is equipped.
  • this can be safely avoided such an occurrence of air leaks in the hole.
  • Such constellations can result, for example, in the prefabrication of the wood-concrete elements, when the wooden beams are inserted from above into a bed of fluid concrete and the fluid concrete then penetrate into the cup-shaped holes and penetrate the Arm michskern / flow around.
  • FIG. 1 shows a schematic view of a reinforced cylindrically designed concrete plug 2 and a only slightly changed concrete plug 2 ', both of which has a cylindrically constructed metallic reinforcing core 4 in its interior.
  • This reinforcing core is made of a wire mesh, for example, a grid 10mm x 10mm and a wire thickness of 1 mm identifies.
  • the wire here is a stainless steel; but it could also be designed, for example, as black steel or hot-dip galvanized steel.
  • the grid can also be chosen to be smaller or larger than shearing forces (eg 16 mm ⁇ 16 mm or 25 mm ⁇ 25 mm).
  • the wire thickness for example, 1.5 mm or just be chosen according to the static requirements.
  • the reinforcing core 4 is surrounded by a concrete body 6 penetrating it and surrounding it.
  • the concrete body 6 is produced, for example, by the pouring of flowing concrete in a form not shown here.
  • the reinforcing core 4 is thus configured as a cast-in wire cage; For example, it can also be configured in multiple layers in the form of a rolled-up wire mesh.
  • the concrete plug 2 has a central, running along the cylinder axis hole 8, in which a screw 10 (as in FIG. 2 shown) can be used and the concrete plug 2 can be mounted on a wooden beam 12.
  • the only slightly modified concrete plug 2 has an annular groove 7, which can serve for example for receiving transverse loads during prefabrication.
  • FIG. 2 now shows a first wood-concrete composite element 14 with concrete plug 2 used before concreting FIG. 1 with dimensioning.
  • the wooden beam 12 is first provided and equipped with the static requirements bill bearing pot holes 16.
  • the pot holes have, for example, a diameter of 70 mm and a depth of 30 mm.
  • a formwork (not shown here) may be provided for defining the volume to be filled with concrete.
  • the pot holes 16 are of course on the later concrete layer 18 facing side.
  • a reinforced concrete plug 2 is now fixed in each pot hole 16, wherein the concrete plug 2 protrude from the pot holes 16 and thus protrude into the volume of concrete layer to be created 18.
  • FIG. 3 now shows the starting position at one opposite the Figures 1 and 2 slightly changed procedure.
  • a prefabricated concrete plug 2 is - as in FIG. 3 shown - initially only the Arm istskern 4 inserted into the pot hole 16 and fixed by means of the screw 10 therein.
  • the flowing concrete is poured to create the concrete layer 18 and the entire armor core 4 is cast around the tile concrete. So that no bubbles remain in the pot hole 16, each pot hole 16 has at the bottom of the hole with a vertical extending, exiting the wooden beam 12 vent passage 20th
  • FIG. 5 now shows another reinforced concrete plug 22.
  • This concrete plug 22 includes a cylindrical shaped metallic cladding tube 24 and a cylinder cavity substantially filling high-strength concrete mass 26.
  • the cladding tube 24 has a typical dimensioning an outer diameter of 40 to 60 mm and has a wall thickness from 2 to 6 mm.
  • FIG. 6 now shows a variant 28 of the concrete plug 22.
  • This slightly modified concrete plug 28 can be upgraded to the effect that the cladding tube 24 against the concrete mass 26 on one side a projection 30 (see FIG. 5 ), wherein in the supernatant 30 slit-like incisions 32 are formed.
  • a projection 30 see FIG. 5
  • two crescent-shaped recesses 34 for supporting a washer or a screw head 36 in the supernatant 30 has.
  • the concrete plug 28 can be held with an externally mounted screw 38 in the pot hole or on the wooden structure, whereby a mounted in the concrete plug 28 central hole can be avoided.
  • the screw head 36 and the washer then rest on the crescent-shaped recess 34 and so keep the concrete plug 28 in its position, which in FIG. 7 is shown in the sectional image accordingly.
  • the optionally attached additional bolt locks serve this purpose to prevent lateral twisting of the concrete plug 28 under load, as well as at the same time to avoid any possibly occurring block scissors of the wood between the concrete plug 28, especially at narrower plug intervals.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
EP11185598.7A 2010-11-03 2011-10-18 Bouchon en béton armé et procédé de fabrication d'un élément composite béton-bois Active EP2450497B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010050122 DE102010050122A1 (de) 2010-11-03 2010-11-03 Armierter Betonstopfen und Verfahren zur Herstellung eines Beton-Holz-Verbundelements

Publications (3)

Publication Number Publication Date
EP2450497A2 true EP2450497A2 (fr) 2012-05-09
EP2450497A3 EP2450497A3 (fr) 2014-03-19
EP2450497B1 EP2450497B1 (fr) 2016-03-30

Family

ID=44799869

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11185598.7A Active EP2450497B1 (fr) 2010-11-03 2011-10-18 Bouchon en béton armé et procédé de fabrication d'un élément composite béton-bois

Country Status (2)

Country Link
EP (1) EP2450497B1 (fr)
DE (1) DE102010050122A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016049758A1 (fr) * 2014-09-30 2016-04-07 UNIVERSITé LAVAL Système intégré, son raccord et son procédé de fabrication
ES2629607A1 (es) * 2016-02-10 2017-08-11 Universidad Politécnica de Madrid Dispositivo conector para estructuras colaborantes de madera y hormigón y estructura mixta que incorpora una pluralidad de dispositivos conectores
CN109138009A (zh) * 2018-09-30 2019-01-04 上海宝冶集团有限公司 一种cfg桩的单桩承载力检测方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE546445C (de) * 1932-03-12 Otto Schaub Holzbetonverbundkoerper
AT22654B (de) * 1904-12-03 1906-01-10 Johann Plachetka Hohl- und Vollmaste aus Kunststein, insbesondere Beton.
FR1122740A (fr) * 1955-04-15 1956-09-12 Procédé de revêtement simplifié de murs en pierre ou marbre et élements de construction pour l'application du procédé
DE3117441C2 (de) * 1981-05-02 1985-04-11 Haeussler, Ernst, Dr.-Ing., 4300 Essen Vorrichtung zur Befestigung einer Fassadenplatte vor einer Bauwerksaußenwand
ATE60816T1 (de) * 1984-12-07 1991-02-15 Michel Crambes Verdichtungs-armierungs-injektions-verfahren oder auflockerungs-drainage-verfahren und bauverfahren zum erstellen von linearen und flaechenhaften bauwerken im boden.
DE3634039A1 (de) * 1986-10-06 1988-04-14 Peter Bertsche Verbinderkoerper fuer den holzbau
FR2673963B1 (fr) * 1991-03-13 1998-02-20 Paris Ouest Entreprise Panneau de construction prefabrique a collaboration bois beton et son procede de fabrication.
DE4420175A1 (de) * 1994-06-09 1995-12-14 Karl Moser Beton-Verbundplatte
DE69804475D1 (de) * 1998-12-23 2002-05-02 Habitat Legno Spa Verbindungsmittel für Holz-Beton Konstruktionen
GB0029498D0 (en) * 2000-12-02 2001-01-17 Oceans Engineering Ltd A method of making a foundation
FR2843413B1 (fr) * 2002-08-08 2006-01-13 Etanco L R Dispositif pour l'ancrage d'un revetement sur une paroi moulee
AT505265B1 (de) * 2007-05-15 2010-11-15 Univ Innsbruck Holz-beton-verbundelement
ITTO20070802A1 (it) * 2007-11-12 2008-02-11 Uni Degli Studi Di Bergamo Connettore tubolare per il collegamento di travi miste legno calcestruzzo.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016049758A1 (fr) * 2014-09-30 2016-04-07 UNIVERSITé LAVAL Système intégré, son raccord et son procédé de fabrication
EP3201405A4 (fr) * 2014-09-30 2018-05-09 Université Laval Système intégré, son raccord et son procédé de fabrication
US10156068B2 (en) 2014-09-30 2018-12-18 UNIVERSITé LAVAL Built-up system, connector thereof, and method of making same
ES2629607A1 (es) * 2016-02-10 2017-08-11 Universidad Politécnica de Madrid Dispositivo conector para estructuras colaborantes de madera y hormigón y estructura mixta que incorpora una pluralidad de dispositivos conectores
CN109138009A (zh) * 2018-09-30 2019-01-04 上海宝冶集团有限公司 一种cfg桩的单桩承载力检测方法

Also Published As

Publication number Publication date
EP2450497B1 (fr) 2016-03-30
EP2450497A3 (fr) 2014-03-19
DE102010050122A1 (de) 2012-05-03

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