EP3067484B1 - Plaque de bois pour une construction composite en bois/béton, construction composite en bois/béton et leur procédé de fabrication - Google Patents

Plaque de bois pour une construction composite en bois/béton, construction composite en bois/béton et leur procédé de fabrication Download PDF

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Publication number
EP3067484B1
EP3067484B1 EP15000727.6A EP15000727A EP3067484B1 EP 3067484 B1 EP3067484 B1 EP 3067484B1 EP 15000727 A EP15000727 A EP 15000727A EP 3067484 B1 EP3067484 B1 EP 3067484B1
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EP
European Patent Office
Prior art keywords
recess
wood
transverse
composite structure
outside
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.)
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Application number
EP15000727.6A
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German (de)
English (en)
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EP3067484A1 (fr
Inventor
Franz Hölzl
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.)
MERK Timber GmbH
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MERK Timber GmbH
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Priority to EP15000727.6A priority Critical patent/EP3067484B1/fr
Publication of EP3067484A1 publication Critical patent/EP3067484A1/fr
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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
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • 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
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/12—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of solid wood
    • 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
    • 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

Definitions

  • the invention relates to a wood panel for a wood-concrete composite construction, a wood-concrete composite construction and a method for their preparation.
  • the DE 298 16 002 U1 discloses a wood-concrete composite construction of adjacent wooden planks with transverse grooves into which concrete strips are poured.
  • the wood panel of the wood-concrete composite construction has depressions that are filled in by the concrete slab.
  • the wood panel is a plywood panel with symmetrically arranged in the plate cross section fiber directions. The depressions extend over half the thickness of the plywood panel.
  • the FR 2 256 830 A1 discloses a sandwich panel coated with a thermoplastic material.
  • the laminated plate has a plurality of openings with an undercut, in which engages the thermoplastic coating and forms an undercut.
  • the invention has for its object to provide a wood-concrete composite construction with high load capacity.
  • the wooden plate has at least one longitudinal position and at least one transverse position.
  • the wooden plate therefore has a locked cross-sectional structure.
  • the fiber direction of the transverse layer runs transversely, ie not parallel to the fiber direction of the longitudinal position.
  • the fiber direction of the transverse position preferably runs perpendicular to the fiber direction of the longitudinal position.
  • the transverse position and the longitudinal position are glued together.
  • the wooden plate has at least one recess.
  • the recess extends completely through all transverse layers of the wood panel.
  • the concrete slab has an elevation that fills the depression of the wood slab. As a result, a firm connection between wood panel and concrete slab can be achieved.
  • Transverse forces can be absorbed by the transverse layers of the wooden panel.
  • the transverse layers form transverse bending beams.
  • the forces can be distributed well over the transverse layers in the wooden plate.
  • Longitudinal forces are advantageously absorbed by the longitudinal layers.
  • the concrete slab can be advantageously produced in cast-in-situ construction.
  • no further reinforcing elements such as screws or the like are provided between the wooden plate and the concrete slab.
  • the longitudinally measured length of the recess on the outside of the wooden plate is greater than that in the transverse direction of the wooden plate on the outside of the wooden plate measured width of the recess.
  • the length of the recess is advantageously at least 1.5 times the width of the recess.
  • the length of the recess is less than 5 times the width of the recess.
  • the length of the recess may advantageously be from 150 mm to 1000 mm and the width of the recess from 50 mm to 700 mm. Particularly advantageous is a length of the recess of 350 mm to 700 mm and a width of the recess of 100 mm to 300 mm has been found.
  • the wood panel has a plurality of depressions.
  • the depressions are advantageously arranged in rows aligned with the wood plate, wherein the rows extend in the longitudinal direction.
  • the greater extent of the recesses is advantageously aligned in the longitudinal direction.
  • Between the rows is advantageously formed a distance.
  • the wood panel has a large thickness and thus a high load capacity.
  • the distance is at least twice the width of a depression.
  • the depressions of adjacent rows in the longitudinal direction of the wooden plate have an offset from each other.
  • transverse forces are directly introduced into a larger region of the transverse position, without the length of the depression having to be increased.
  • the recesses advantageously extend only over a small proportion of the outside of the wood panel.
  • the sum of the lengths of the recesses arranged in a row is advantageously 20% to 70% of the length of the wood board, in particular 25% to 50% of the length of the wood board.
  • the sum of the widths of the rows of depressions is advantageously 5% to 50%, in particular 10% to 40%, of the width of the wood panel. Due to the distances between the recesses in the longitudinal direction and in the transverse direction of the wooden plate, a sufficient strength of the wooden plate can be ensured, although the depth of the recesses is comparatively large.
  • the depression has at least one undercut.
  • the undercut is formed on at least one longitudinal side of the recess extending in the longitudinal direction.
  • the inclination angle of the undercut forming longitudinal side of the recess to the outside is advantageously from 95 ° to 140 °.
  • the angle of inclination is chosen to be comparatively small, so that the force component acting perpendicular to the plane of the wooden plate on the longitudinal side of the depression can be kept low during operation.
  • an undercut is formed on at least one transversely extending transverse side of the recess.
  • the angle of the transversely extending transverse side to the outside is advantageously in the order of 95 ° to 140 °.
  • the transverse side of the depression, on which the undercut is formed adjoins the outside of the wood panel.
  • a transverse direction aligned transverse side of a depression advantageously a small angle of inclination is provided.
  • the inclination angle of a transverse side to the outside is advantageously less than 60 °, in particular less than 45 °.
  • the transversely extending transverse sides of a recess are formed asymmetrically to each other. In this case, different angles of inclination of the transverse sides to the outside are preferably provided.
  • the wooden plate is advantageously a plywood board, in particular a cross-laminated board, wherein at least one, preferably all longitudinal layers of juxtaposed wooden boards or wood-based panels are formed.
  • the wooden boards of the at least one longitudinal layer are preferably not glued together over their entire surface.
  • the wooden boards are glued only with the arranged above and below longitudinal or transverse layers.
  • the at least one transverse layer is advantageously used. Due to the fact that the recess extends completely through all transverse layers of the wooden plate, forces are introduced in the fiber direction of the transverse layers and introduced via the bonding of the wood layers on their flat sides together in lying away from the recess wooden boards.
  • the transverse layers are formed of juxtaposed wooden boards.
  • at least one longitudinal layer and / or at least one transverse layer may be constructed from veneer layers or veneer laminated wood panels.
  • the concrete slab is advantageously made of low shrinkage concrete.
  • the concrete slab on a steel reinforcement.
  • a method for producing a wood-concrete composite construction that in the wood panel, the at least one recess is introduced.
  • the depression can be milled into the wood panel, for example.
  • the concrete slab is then poured, in particular with cast-in-situ concrete, wherein the wood slab forms a lower formwork of the concrete slab and the at least one depression is poured out with concrete during the casting of the concrete slab. Additional connecting means between the wood panel and the concrete slab, in particular additional anchors or the like, can advantageously be dispensed with.
  • Fig. 1 shows a schematic embodiment of a wood-concrete composite structure 1, which comprises a wooden plate 2 and a concrete slab 3.
  • the wooden plate 2 has depressions 4, protrude into the elevations 5 of the concrete slab 3.
  • the elevations 5 of the concrete slab 3 fill the depressions 4 completely.
  • the concrete slab 3 is advantageously produced in cast-in-situ construction.
  • the concrete slab 3 advantageously consists of low-shrinkage, steel-reinforced concrete.
  • the wooden plate 2 is used in the casting of the concrete slab 3 advantageously as a lower formwork and the recesses 4 are poured during the casting of the concrete slab 2 with concrete. Additional fasteners such as anchors or reinforcements, which are fixed to the wood panel 4 and project into the concrete slab 3, are advantageously not provided.
  • the wood-concrete composite structure 1 can be used for example as a building ceiling. In this case, tensile forces can be absorbed by the wooden plate 2 and pressure forces from the concrete slab. 3
  • the wooden plate 2 has a thickness a, which is advantageously between 100 mm and 350 mm. Particularly advantageous has a thickness a of 140 mm to 200 mm has been found.
  • the concrete slab 3 has a thickness b which is advantageously 50 mm to 150 mm.
  • the thickness b of the concrete slab 3 is advantageously smaller than the thickness a of the wooden slab 2.
  • the thickness b of the concrete slab 3 is measured without the ridges 5.
  • Particularly advantageous is a thickness b of the concrete slab of 80 mm to 120 mm, in particular from 100 mm to 120 mm has been found.
  • Fig. 2 shows the structure of the wooden plate 2 in detail.
  • the wooden plate 2 is formed in the embodiment as a cross-laminated board and includes three longitudinal layers 6, between which each transverse layers 7 extend.
  • the longitudinal layers 6 are formed of wooden boards 22 whose fiber direction extends in a longitudinal direction 8 of the wooden plate 2.
  • the transverse layers 7 are also formed of wooden boards 22.
  • the fiber direction of the wooden boards 22 in the transverse layers 7 runs in the embodiment perpendicular to the longitudinal direction 8 in a transverse direction 9 of the wooden board 2.
  • the wooden board 2 has a measured length in the longitudinal direction 8 y, which is advantageously a few meters.
  • the length y may be for example 5 m to 30 m.
  • the wooden plate 2 has a width x, which is measured in the transverse direction 9 and may also be more than 1 m.
  • the width x is advantageously 0.5 m to 4.8 m.
  • the wooden plate 2 has an in Fig. 2 drawn top outside 13 to which the concrete slab 3 is to be arranged.
  • the wooden plate 2 On the outer side 13, the wooden plate 2 has a plurality of depressions 4.
  • the recesses 4 have an approximately rectangular shape with rounded corners, wherein the greater extent of the recesses 4 in the longitudinal direction 8 of the wooden plate 2 is aligned.
  • the depressions 4 have a length e measured in the longitudinal direction 8 and a width f measured in the transverse direction 9.
  • the length e is advantageously from 150 mm to 1,000 mm, in particular from 350 mm to 700 mm.
  • the width f is advantageously from 50 mm to 700 mm, in particular from 100 mm to 300 mm. In the embodiment, a length e of about 600 mm and a width f of about 200 mm is provided.
  • the recesses 4 are arranged in rows, which each comprise six recesses 4 in the embodiment.
  • three rows of wells 4 are provided.
  • Each three recesses 4 are arranged at a smaller distance c to each other, and between the two groups of three recesses 4, a greater distance c 'between successive recesses 4 is provided.
  • the distance c advantageously corresponds to at least half the length e of a depression 4, advantageously at least the length e of a depression 4
  • Fig. 2 also shows, the individual wells 4 adjacent rows are offset from one another by an offset t.
  • the offset t is advantageously 20% to 80% of the length e of a recess 4.
  • the adjacent rows have a distance d from one another which is measured in the transverse direction 9 and which advantageously corresponds to at least twice the width of a depression 4.
  • all wells 4 are identical, and depressions 4 of the two outer rows are not offset from each other, but only to the wells 4 of the middle row.
  • the length e of the depressions 4 is advantageously selected so that the sum of the lengths e of the depressions 4 arranged in a row amounts to 20% to 70% of the length y of the wooden plate 2.
  • the sum of the widths f of the rows is advantageously 5% to 50% of the width x of the wooden panel 2.
  • the width of the row corresponds in the embodiment of the width e of a recess 4.
  • the recesses 4 a row in the transverse direction 9 have an offset from each other, so that the width of a row is greater than the width of a single recess 4.
  • three rows of depressions 4 are provided, so that the sum of the widths of the rows of depressions 4 is three times the width f.
  • each recess 4 has two aligned in the longitudinal direction 8 longitudinal sides 10 and two aligned in the transverse direction 9 transverse sides 11, which are interconnected via rounded corners.
  • FIGS. 4 to 6 show alternative configurations for the shape of the recesses on the outer side 13 of the wooden plate.
  • Fig. 4 shows a recess 14 which is formed by a longitudinal groove 15, at the ends of transverse grooves 16 and 17 extend.
  • the transverse grooves 16 and 17 protrude with both ends beyond the longitudinal groove 15, so that a bone-shaped shape of the recess 14 results.
  • the longitudinal groove 15 is wedge-shaped in plan view and widens to the transverse groove 16.
  • the longitudinal sides 10 of the recess 14 extend to the longitudinal direction 8 of the wooden plate 2 at an angle ⁇ , which may be advantageously from 0.5 ° to 10 °.
  • the width g of the longitudinal groove 15 is significantly smaller than the width f of the recess 14.
  • the recess 14 has its greatest width f at the transverse groove 16.
  • the transverse groove 16 has a length h, which is one quarter to one tenth of the length e of the recess 14th can amount.
  • the Transverse groove 16 is formed with rounded corners, but goes over without radius in the longitudinal groove 15.
  • the transverse groove 17 has a width k, which is somewhat smaller than the width f of the transverse groove 16 in the embodiment.
  • the length i of the transverse groove 17 is slightly smaller than the length h of the transverse groove 16.
  • the transverse groove 17 has rounded corners and merges with rounded corners into the longitudinal groove 15.
  • Fig. 5 shows an embodiment of a recess 24 which has the shape of a trapezoid with rounded corners.
  • the recess 24 On a transverse side 11, the recess 24 has a width 1 and on the opposite transverse side 11 side has a width 1 ', which is smaller than the width 1.
  • the ratio of the width 1 'to the width 1 may be, for example, 0.25 to 0.8.
  • the side walls 10 of the recess 24 are inclined to the longitudinal direction 8 by an angle ⁇ , which may be about 0.5 ° to 10 °.
  • the direction of the oblique position of the longitudinal side 10 is aligned with the forces acting on the wooden plate 2 during operation of the concrete slab 2 in such a way that a force component acts on the longitudinal side 10.
  • Fig. 6 shows an embodiment of a recess 34 which is formed by a longitudinal groove 35, at the ends and in the middle transverse grooves 36 extend.
  • the transitions between the transverse grooves 36 and the longitudinal groove 35 are each rounded.
  • a larger number of transverse grooves 36 may be advantageous.
  • the recess 34 has a length e and a width f.
  • the transverse grooves 36 have a length m measured in the longitudinal direction 8. Adjacent transverse grooves 36 have a distance n from each other. In the exemplary embodiment, the lengths m and the distances n of all transverse grooves 36 are approximately equal.
  • Fig. 7 shows the structure of an embodiment of the wooden plate 2 in detail.
  • the wooden plate 2 is constructed as a cross-laminated board.
  • the Wooden plate 2 of wooden boards 22 which are arranged in the longitudinal layers 6 and transverse layers 7.
  • the wooden boards 22 have flat sides 25 on which the individual layers 6, 7 of the wooden plate 2 are glued together.
  • the wooden boards 22 on longitudinal sides 23 abut each other.
  • the wooden boards 22 are not glued together over their entire surface.
  • the longitudinal sides 23 are free of adhesive within the manufacturing accuracy.
  • two transverse layers 7 are provided, between which a longitudinal layer 6 is arranged.
  • two further longitudinal layers 6 are arranged, wherein the outer longitudinal layer 6 forms the concrete plate 3 facing the outer side 13.
  • Fig. 7 shows an embodiment of the design of the cross section of a recess 44.
  • the cross section of the recesses 4, 14, 24, 34 may be formed accordingly.
  • the recess 44 has on the outer side 13 of the wooden plate 2 has a width f.
  • the recess 44 widened first in a first portion 18 and then narrows in a second portion 19.
  • the first portion 18 has a depth q
  • the second portion 19 has a depth r, which is smaller than the depth q is.
  • the depth q, r is in each case measured perpendicular to the outer side 13.
  • the first section 18 extends through the upper transverse layer 7 and the section 19 through the second, lower transverse layer 7.
  • the lower transverse layer 7 is that of the concrete slab 3 (FIG. Fig. 1 ).
  • the recess 44 extends into the sixth position of the wooden plate 4, so that only a single layer, namely the lower longitudinal layer 6, is not broken or narrowed by the recess 44.
  • the depth q extends over more than three layers of wood.
  • the depth r extends over more than one layer of wood.
  • the side wall 10 extends in the first section 18 at an angle ⁇ to the outside 13, which is 95 ° to 140 °.
  • the side wall 10 forms in the first section 18 thereby an undercut, which causes a positive fixation of the concrete slab 3 on the wooden plate 2.
  • the side wall 10 extends in the second section 19 at an angle ⁇ to the outside 13, which is smaller than 90 °.
  • the angle ⁇ is in the embodiment in about 40 ° to 50 °.
  • the recess 44 has a bottom 12 which is parallel to the outside 13th runs.
  • the bottom 12 has a width o which is greater than the width f of the recess 44 on the outer side 13.
  • the recess 44 has a widest range between the distances 18 and 19, at which the recess 44 has a width s.
  • Fig. 7 also shows, the two long sides 10 of the recess 44 are mirror-symmetrical to each other. Due to the large depth p of the recess 44, forces can also be introduced into the wooden boards 22 by longitudinal layers 6, which are not directly adjacent to the recess 44.
  • the depth p of the recess 44 is advantageously more than 50%, in particular more than 60%, preferably more than 70% of the thickness a of the wooden plate 2.
  • Fig. 8 shows an embodiment of a recess 54 with dovetailed cross-section.
  • the recess 54 has longitudinal sides 10 which extend at an angle ⁇ to the outer side 13, which is advantageously from 95 ° to 140 °.
  • the longitudinal sides 10 form an undercut.
  • the recess 54 has a bottom 12 which is parallel to the outside 13.
  • the floor 12 is arranged in a longitudinal position 6.
  • the recess 54 extends through all the transverse layers 7 of the wood panel 4.
  • the recess 54 On the outer side 13, the recess 54 has a width f which is smaller than the width o at the bottom 12 of the recess 54.
  • the depression 54 also has mirror-symmetrical longitudinal sides 10.
  • Fig. 10 shows a longitudinal section through a recess 64.
  • Each of the wells 4, 14, 24, 34, 44, 54 may have a depression 64 corresponding longitudinal section.
  • the transverse sides 11a and 11b of the recess 64 are formed asymmetrically to one another.
  • the longitudinal side 11a has a first portion 20, in which the transverse side 11a extends at an angle ⁇ 1 to the outer side 13, which is smaller than 90 °.
  • the first portion 20 extends in the embodiment through the two upper longitudinal layers 6 and by a transverse position 7.
  • a second section 21 connects, which forms an undercut.
  • the transverse side 11a extends at an angle ⁇ 2 to the outer side 13, which is greater than 90 °.
  • the angle ⁇ 2 is advantageously 95 ° to 140 °.
  • the second transverse side 11b extends at a small angle ⁇ to Outside 13.
  • the angle ⁇ is less than 60 °, in particular less than 45 °. In the exemplary embodiment, the angle ⁇ is less than 20 °.
  • the transverse side 11b extends to adjacent to the second portion 21 of the first transverse side 11a. Between the transverse sides 11a and 11b extends a longitudinal groove 65, which is formed during milling of the second portion 21.
  • Fig. 10 shows a further embodiment of a longitudinal section through a recess 74.
  • Each of the wells 4, 14, 24, 34, 44, 54 may have a longitudinal section corresponding to the recess 74.
  • the recess 74 is formed by two sections 75 and 76, each having a triangular cross-section, between which a parallel to the outside 13 extending bottom 12 extends.
  • the recess 75 extends completely through the lower transverse position 7, while the recess 76 extends to about halfway up the lower transverse position 7.
  • the lower layer is in each case the concrete slab 3 facing away from the situation.
  • the first portion 75 has a lateral side 11a which is inclined to the outside 13 by an angle ⁇ 1 which is less than 90 °.
  • the angle ⁇ 1 may be, for example, about 50 ° to about 80 °.
  • the first section 75 has a side wall 77, the ⁇ 1 to the outer side 13 extends at an angle, the ⁇ significantly greater than the angle 1.
  • the angle ⁇ 1 may be about 20 ° to about 40 °.
  • the second portion 76 has a side wall 78 which abuts the bottom 12 and extends to the outside 13 at an angle ⁇ 2 which is slightly less than 90 °.
  • the angle ⁇ 2 may be, for example, about 70 ° to about 85 °.
  • the transverse side 11b of the recess 74, which delimits the second section 76 extends to the outer side 13 at an angle ⁇ 2 which may be about 20 ° to about 30 °.
  • the sections 75 and 76 may be identical. However, different angles ⁇ 1 , ⁇ 2 and ⁇ 1 , ⁇ 2 may also be provided, as shown in the exemplary embodiment.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)

Claims (13)

  1. Construction composite en bois/béton avec une plaque de bois et une plaque de béton (3) fixée à celle-ci, la plaque de bois (2) comportant au moins une couche longitudinale (6) dans laquelle le sens des fibres du bois s'étend dans un sens longitudinal (8) de la plaque de bois (2), la plaque de bois (2) comportant au moins une couche transversale (7) dans laquelle le sens des fibres du bois s'étend transversalement par rapport au sens longitudinal (8), la ou les couches transversales (7) et la ou les couches longitudinales (6) étant collées ensemble, la plaque de bois (2) présentant au moins un creux (4, 14, 24, 34, 44, 54, 64, 74) sur le côté extérieur (13) associé à une plaque de béton (3), et la plaque de béton (3) présentant une saillie (5) qui remplit le creux (4, 14, 24, 34, 44, 54, 64, 74), caractérisée en ce que le creux (4, 14, 24, 34, 44, 54, 64, 74) traverse entièrement toutes les couches transversales (7).
  2. Construction composite en bois/béton selon la revendication 1,
    caractérisée en ce que la longueur (e) du creux du côté extérieur (13) mesurée dans le sens longitudinal (8) est plus grande que la largeur maximale (f, 1) du creux (4, 14, 24, 34, 44, 54, 64, 74) du côté extérieur (13) mesurée dans le sens transversal (9) de la plaque de bois (2), la longueur (e) du creux (4, 14, 24, 34, 44, 54, 64, 74) du côté extérieur (13) étant en particulier égale à au moins 1,5 fois la largeur maximale (f, 1) du creux (4, 14, 24, 34, 44, 54, 64, 74) du côté extérieur (13), et avantageusement à moins de 5 fois la largeur maximale (f, 1) du creux (4, 14, 24, 34, 44, 54, 64, 74) du côté extérieur (13).
  3. Construction composite en bois/béton selon la revendication 1 ou 2,
    caractérisée en ce que la longueur (e) du creux (4, 14, 24, 34, 44, 54, 64, 74) du côté extérieur (13) est de 150 mm à 1000 mm, et en ce que la largeur maximale (f, 1) du creux (4, 14, 24, 34, 44, 54, 64, 74) du côté extérieur (13) est de 50 mm à 700 mm.
  4. Construction composite en bois/béton selon l'une des revendications 1 à 3, caractérisée en ce que la plaque de bois (2) comporte un grand nombre de creux (4, 14, 24, 34, 44, 54, 64, 74), les creux (4, 14, 24, 34, 44, 54, 64, 74) étant disposés sur la plaque de bois (2) en étant alignés sur des rangées, les rangées s'étendant dans le sens longitudinal (8) de la plaque de bois (2), et un écartement (d) étant formé entre les rangées voisines.
  5. Construction composite en bois/béton selon la revendication 4,
    caractérisée en ce que l'écartement (d) est égal à au moins deux fois la largeur maximale (f, 1) d'un creux (4, 14, 24, 34, 44, 54, 64, 74) du côté extérieur (13).
  6. Construction composite en bois/béton selon la revendication 4 ou 5,
    caractérisée en ce que les creux (4, 14, 24, 34, 44, 54, 64, 74) du côté extérieur (13) de rangées voisines présentent dans le sens longitudinal (8) de la plaque de bois (2) un décalage (t).
  7. Construction composite en bois/béton selon l'une des revendications 4 à 6, caractérisée en ce que la somme des longueurs (e) des creux (4, 14, 24, 34, 44, 54, 64, 74) du côté extérieur (13) disposés sur une rangée représente 20% à 70% de la longueur (y) de la plaque de bois (2), et en ce que la somme des largeurs maximales (f, l) des creux (4, 14, 24, 34, 44, 54, 64, 74) du côté extérieur (13) disposés sur une rangée représente 5% à 50% de la largeur (x) de la plaque de bois (2).
  8. Construction composite en bois/béton selon l'une des revendications 1 à 7, caractérisée en ce que le creux (4, 14, 24, 34, 44, 54, 64, 74) présente au moins une contre-dépouille.
  9. Construction composite en bois/béton selon la revendication 8,
    caractérisée en ce que la contre-dépouille est formée sur au moins un côté longitudinal (10) du creux (4, 14, 24, 34, 44, 54, 64, 74) qui s'étend dans le sens longitudinal (8), l'angle d'inclinaison (α) du côté longitudinal (10) du creux (4, 14, 24, 34, 44, 54, 64, 74) qui forme la contre-dépouille par rapport au côté extérieur (13) étant de 95° à 140°.
  10. Construction composite en bois/béton selon la revendication 8 ou 9,
    caractérisée en ce que la contre-dépouille est formée sur au moins un côté transversal (1 la) du creux (4, 14, 24, 34, 44, 54, 64, 74) qui s'étend dans le sens transversal.
  11. Construction composite en bois/béton selon l'une des revendications 1 à 10, caractérisée en ce que l'angle d'inclinaison (γ, γ1, γ2, δ, δ1, δ2) d'un côté transversal (11b) qui est orienté dans le sens transversal (9), par rapport au côté extérieur, est de moins de 60°, en particulier moins de 45°.
  12. Construction composite en bois/béton selon l'une des revendications 1 à 11, caractérisée en ce que les côtés transversaux (11a, 11b) des creux (4, 14, 24, 34, 44, 54, 64, 74) qui s'étendent dans le sens transversal (9) sont asymétriques l'un par rapport à l'autre.
  13. Construction composite en bois/béton selon l'une des revendications 1 à 12, caractérisée en ce que la plaque de bois (2) est un panneau de contreplaqué, et la ou les couches longitudinales (6) se composent de planches de bois (22) disposées côte à côte, les planches de bois (22) de la couche longitudinale (6) n'étant pas collées ensemble sur toute leur surface, au niveau de leurs côtés longitudinaux (23).
EP15000727.6A 2015-03-12 2015-03-12 Plaque de bois pour une construction composite en bois/béton, construction composite en bois/béton et leur procédé de fabrication Active EP3067484B1 (fr)

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EP15000727.6A EP3067484B1 (fr) 2015-03-12 2015-03-12 Plaque de bois pour une construction composite en bois/béton, construction composite en bois/béton et leur procédé de fabrication

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EP3067484B1 true EP3067484B1 (fr) 2017-05-10

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Publication number Priority date Publication date Assignee Title
AT519761B1 (de) * 2017-03-17 2018-10-15 Trumpf Maschinen Austria Gmbh & Co Kg Biegeschritt-Auswahlverfahren, ausgeführt auf einem Steuerungssystem einer Biegemaschine
EP3670775B1 (fr) * 2018-12-17 2022-01-26 Ed. Züblin Aktiengesellschaft Procédé de fabrication d'une paroi d'une construction en béton ainsi que paroi d'une construction en béton
AT524744B1 (de) * 2021-02-12 2022-11-15 Mmk Holz Beton Fertigteile Gmbh Verbunddecke

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH371885A (de) * 1957-12-14 1963-09-15 Murer Paul Schallisolierende Wand- und Deckenbelagsplatte
CA966972A (en) * 1974-01-08 1975-05-06 Du Pont Of Canada Limited Coated panel
DE4420175A1 (de) * 1994-06-09 1995-12-14 Karl Moser Beton-Verbundplatte
DE29816002U1 (de) 1998-09-05 1999-03-04 Werner Hartmut Dr Ing Holzplatten-Betonverbunddecke (HPBV-Decke) als Fertigteil oder in Ortbetonbauweise mit Formschluß hergestellter Verbund
DE202013001849U1 (de) 2013-02-27 2013-04-03 Lignotrend Gmbh & Co. Kg Holzbauelement

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