EP2243891B1 - Holzbetonverbundplatte - Google Patents

Holzbetonverbundplatte Download PDF

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Publication number
EP2243891B1
EP2243891B1 EP09158394A EP09158394A EP2243891B1 EP 2243891 B1 EP2243891 B1 EP 2243891B1 EP 09158394 A EP09158394 A EP 09158394A EP 09158394 A EP09158394 A EP 09158394A EP 2243891 B1 EP2243891 B1 EP 2243891B1
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EP
European Patent Office
Prior art keywords
vertical
battens
horizontal
wood
batten
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.)
Not-in-force
Application number
EP09158394A
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English (en)
French (fr)
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EP2243891A1 (de
EP2243891B9 (de
Inventor
Rodolphe Weibel
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Individual
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Individual
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Publication date
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Priority to AT09158394T priority Critical patent/ATE539205T1/de
Priority to EP09158394A priority patent/EP2243891B9/de
Publication of EP2243891A1 publication Critical patent/EP2243891A1/de
Publication of EP2243891B1 publication Critical patent/EP2243891B1/de
Application granted granted Critical
Publication of EP2243891B9 publication Critical patent/EP2243891B9/de
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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
    • 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
    • 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

Definitions

  • the present invention relates to a composite concrete slab having a lower part of wood and a concrete upper part.
  • the document FR 2710928 A1 discloses a composite wood slab according to the preamble of claim 1.
  • the present invention aims to provide a mixed concrete wood slab that does not have the disadvantages of known mixed concrete slabs concrete.
  • the invention also aims to involve the wood in the resistance of the slab. It is also intended to simplify the making and transport of the elements constituting the slab using modular elements, including bastaings.
  • the slab according to the present invention has the particular advantage of a simple and modular manufacturing system, requiring only a limited number of standard parts that can be prefabricated in the factory and are easily transportable.
  • bastaing is a piece of wood of rectangular section.
  • this bastaing will have a length of between 2 and 5 m, with a section having a width / height ratio of between 0.3 and 0.5.
  • This bastaing, after machining, is the main constituent of the lower part of the slab. In the following description, this bastaing has a length of 3 m and an outer section of 40 mm x 100 mm.
  • the lower wooden part of the slab according to the invention comprises a succession of such machined bastaings, arranged alternately vertically (hereinafter vertical bastaing) and horizontally (hereinafter horizontal bastaing).
  • FIG. Fig. 1 An example of slab according to the invention is shown in FIG. Fig. 1 .
  • This figure more particularly illustrates the lower part made of wood constituted by a succession of vertical basta 1 and horizontal 2, the concrete 9 being only partially represented at one end of the slab.
  • each vertical bastaing 1 comprises along the entire length of one of its lateral faces 11 a longitudinal milling 12 of 4 mm deep over a height of 40 mm. It further comprises, always at its lower part, longitudinal grooves 13 and 14 along the entire length of each of its two lateral faces, these grooves having a depth of 4 mm for an opening of 8 mm, the lower edge of each of said grooves being located 12 mm from the lower edge of the corresponding lateral face.
  • Each of the vertical bastaings 1 further comprises on the unmilled upper portion of its side face 11 recesses 15 of 4 mm in depth and 120 mm in width made at 120 mm intervals, so as to form redents 16 on the face 11 of the element 1 intended for the transmission of shear force between concrete and wood.
  • horizontal bastaing 2 comprises, along the entire length of each of its lateral faces 22 and 23, longitudinal grooves 24 and 25, these grooves having a depth of 4 mm for an opening of 8 mm, the lower edge of each of said grooves being located at 12 mm from the lower edge of the corresponding lateral face.
  • Each of the horizontal battens 2 further comprises on its upper face 26 recesses 27 4 mm deep and 120 mm wide made at 120 mm intervals, arranged to be arranged opposite the recesses 15 of the vertical elements, so as to also form redents 28 on the upper face 26 horizontal basta 2.
  • the horizontal bastaing 2 will then be secured to another vertical bastaing 1 by means of a rod 3 placed in the corresponding grooves 25 of the horizontal bastaing 2 and 14 of the vertical bastaing 1 following, and so on, ending with a bastaing vertical.
  • a detail of a section across a slab represented at Fig. 6 allows to see the thickness H of the slab comprising the thickness of the horizontal bastaings 2 and the thickness of the concrete filling the spaces 30 between two vertical bastaings 1 and extending over a height h above said vertical bastaings 1. also see how a horizontal bastaing 2 is assembled with each of its neighboring vertical basta 1 by means of rods 3 inserted respectively in its grooves 24 and 25.
  • the vertical basta 1 and horizontal 2 described above can advantageously be made by machining a standard rough bastaing 3 m long and 40 x 100 mm section. This machining is performed by a longitudinal passage of the raw bastaing in a four-sided moulder that mills the raw bastaing over its entire length to give it the final contour of its base section, namely longitudinal milling 12 and longitudinal grooves 13 and 14 for the vertical bastaings 1 and longitudinal grooves 24 and 25 for the horizontal bastaings 2.
  • the tines 16 and 28 are then formed by transverse milling of the recesses 15 and 27 with the aid of a suitable tool, preferably arranged to allow a continuous transverse passage. bastaing without raising the cutting tool.
  • any other machining method for obtaining the same result can be envisaged.
  • the formation of the redents 16 and 28 by milling the recesses 15 and 27 is performed only on one side of the bastaings, he these are vertical or horizontal bastaings. But of course, according to an alternative embodiment, not shown in the drawings, redents could also be formed on the other side vertical vertical bastaings.
  • vertical bastaings and horizontal bastaings are placed on pallets and packaged for transport to the site.
  • bastaings of limited length for example 3 meters as described above, does not prevent the construction of slabs of higher spans, for example slabs of 10 meters range.
  • Fig. 7 to offset in plan the vertical and horizontal bastaings, to arrange them in staggered.
  • the redents ensure the non-slip of the concrete on the wood (shear strength), but they also ensure, thanks to the blocking action of the concrete, the passage of the tensile force of a bastaing to its neighbour.
  • the tensile strength of a pair of adjacent bastaings is that of two bastaings.
  • the tensile strength of a pair of adjacent bastaings is that of a bastaing.
  • bastaings in this case 3 m in the example described here, allows better packaging for transport.
  • On a pallet 80 cm wide a pack of two hundred bastaings is placed, one hundred vertical and one hundred horizontal bastaings, for a total weight of 940 kg. These two hundred bastaings allow the construction of 40,8 m 2 of formwork.
  • the figure 8 shows how the tensile force is distributed in vertical V and horizontal bastaings H.
  • the actions that solicit this floor are exclusively vertical, directed from top to bottom:
  • Gamma F admitted for all actions: 1.40 Sizing value: 1.40 x 11.19 15.70 kN / m 2
  • the quality of the wood is C35, whose dimensioning values are: Flexion f m, d : 23.00 N / mm 2 Compression // fibers f c, O, d : 17.00 N / mm 2 Traction // fibers f t, O, d : 14.00 N / mm 2 Tangential stress f v, d : 1.80 N / mm 2
  • the quality of the concrete is C25 / 30, whose sizing values are: Compression fc , d : 16.50 N / mm 2 Shear tau c, d : 1.00 N / mm 2
  • the traction is taken up exclusively by the wood, exerted at the center of gravity of the wood
  • Modulus of elasticity that of the wood E 0, mean 13.00 kN / mm 2 Phi creep coefficient (moist wood under cover): 1.00 Inertia: Corresponding to the height of the floor: 0.3 m

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Road Paving Structures (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Claims (7)

  1. Holzbetonverbundplatte, die aus einem Unterteil aus Holz und einem Oberteil aus Beton (9) besteht; deren Unterteil aus Holz Bohlen beinhaltet, die mit einander verbunden sind, wobei das Unterteil der zusammengefügten Bohlen eine ebene Fläche bilden, die dazu bestimmt ist, eine Decke zu bilden, dadurch gekennzeichnet, dass die Bohlen abwechselnd vertikal und horizontal angeordnet sind, jede horizontale Bohle (2) an ihrer Oberseite Vorsprünge (28) aufweist und jede vertikale Bohle (1) Vorsprünge (16) aufweist, die auf mindestens einer ihrer vertikalen Seiten angeordnet sind, und das Oberteil aus Beton (9) die Zwischenräume (30) zwischen den vertikalen Bohlen ausfüllt und sich über eine bestimmte Höhe (h) über den horizontalen Oberseiten der vertikalen Bohlen erstreckt.
  2. Holzbetonverbundplatte gemäß Anspruch 1, dadurch gekennzeichnet, dass die Bohlen eine Länge haben, die kürzer ist als die Auflagefläche der Platte und dadurch, dass die horizontalen Bohlen (1) und die vertikalen Bohlen (2) der beiden angrenzenden Reihen versetzt angeordnet sind, so dass eine Stoßstelle der vertikalen Bohle nicht gegenüber einer Stoßstelle einer horizontalen Bohle liegt.
  3. Holzbetonverbundplatte gemäß einer der Ansprüche 1 und 2, dadurch gekennzeichnet, dass jede vertikale Bohle nur auf ihren vertikalen Seiten Vorsprünge (16) aufweist, wobei diese Vorsprünge gegenüber den Vorsprüngen (28) der angrenzenden, horizontalen Bohle liegen.
  4. Holzbetonverbundplatte gemäß einer der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Verbindung der horizontalen und vertikalen Bohlen über längliche Nuten (13, 24; 25, 14) verwirklicht ist, in die Leisten (3) eingesetzt sind.
  5. Holzbetonverbundplatte gemäß einer der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die horizontalen Bohlen (1) und die vertikalen Bohlen (2) aus einer Standardbohle gleicher Länge ausgeführt sind.
  6. Holzbetonverbundplatte gemäß dem vorstehenden Anspruch, dadurch gekennzeichnet, dass die Länge der Standardbohle zwischen 2 und 5 m liegt, und dass ihr Querschnitt rechteckig ist und ein Breiten-Höhen-Verhältnis zwischen 0,3 und 0,5 hat.
  7. Holzbetonverbundplatte gemäß dem vorstehenden Anspruch, dadurch gekennzeichnet, die Länge der Standardbohle 3 m und ihr Querschnitt 40 x 100 mm beträgt.
EP09158394A 2009-04-21 2009-04-21 Holzbetonverbundplatte Not-in-force EP2243891B9 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT09158394T ATE539205T1 (de) 2009-04-21 2009-04-21 Holzbetonverbundplatte
EP09158394A EP2243891B9 (de) 2009-04-21 2009-04-21 Holzbetonverbundplatte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09158394A EP2243891B9 (de) 2009-04-21 2009-04-21 Holzbetonverbundplatte

Publications (3)

Publication Number Publication Date
EP2243891A1 EP2243891A1 (de) 2010-10-27
EP2243891B1 true EP2243891B1 (de) 2011-12-28
EP2243891B9 EP2243891B9 (de) 2012-04-11

Family

ID=40983420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09158394A Not-in-force EP2243891B9 (de) 2009-04-21 2009-04-21 Holzbetonverbundplatte

Country Status (2)

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EP (1) EP2243891B9 (de)
AT (1) ATE539205T1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108505675A (zh) * 2018-04-10 2018-09-07 上海市建筑科学研究院 一种新型组合式楼板及其施工方法
CN114517551B (zh) * 2022-04-20 2022-07-12 中冶建筑研究总院有限公司 一种全预制混凝土楼板连接节点

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH658281A5 (fr) 1984-08-02 1986-10-31 Robert Haldi Ouvrage de construction.
FR2710928B1 (fr) * 1993-10-05 1997-10-10 Mathis Paul Henri Construction industrialisée à ossature bois.
FR2774112B1 (fr) * 1998-01-27 2000-03-17 Archipente Element de paroi composite bois-beton
DE10227099B4 (de) * 2002-06-18 2005-12-22 Weinmann Holzbausystemtechnik Gmbh Bauelement, insbesondere Deckenelement
ITCO20050010A1 (it) 2005-03-14 2006-09-15 Giovanni Cenci Procedimento applicabile sia per la produzione in stabilimento sia per la costruzione in opera di elementi strutturali compositi ottenuti dall'unione incollata del legno o dei suoi derivati con il calcestruzzo allo stato di impasto fresco

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Publication number Publication date
ATE539205T1 (de) 2012-01-15
EP2243891A1 (de) 2010-10-27
EP2243891B9 (de) 2012-04-11

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