EP2412885A1 - Mehrstöckige Gebäudestruktur aus Holz - Google Patents

Mehrstöckige Gebäudestruktur aus Holz Download PDF

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Publication number
EP2412885A1
EP2412885A1 EP10171075A EP10171075A EP2412885A1 EP 2412885 A1 EP2412885 A1 EP 2412885A1 EP 10171075 A EP10171075 A EP 10171075A EP 10171075 A EP10171075 A EP 10171075A EP 2412885 A1 EP2412885 A1 EP 2412885A1
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EP
European Patent Office
Prior art keywords
ribs
panel
building structure
structure according
wood
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.)
Withdrawn
Application number
EP10171075A
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English (en)
French (fr)
Inventor
Jean-Claude Vinois
Hervé Vieille
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.)
Itech Wood SA
Original Assignee
Itech Wood SA
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 Itech Wood SA filed Critical Itech Wood SA
Priority to EP10171075A priority Critical patent/EP2412885A1/de
Priority to EP20110175708 priority patent/EP2412886B1/de
Publication of EP2412885A1 publication Critical patent/EP2412885A1/de
Withdrawn legal-status Critical Current

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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
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/10—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of wood
    • 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
    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface
    • E04B2001/8272—Resiliently mounted wall cladding acting as a diaphragmatic sound damper

Definitions

  • the invention relates to a new type of structure for multi-storey buildings mainly made of wood, with improved mechanical, thermal and especially acoustic properties.
  • the structure of the invention is particularly applicable to the construction of collective multi-storey residential buildings.
  • seismic standards which legislators tend to broaden the scope of application, encourage the design of light structures whose assemblies are both resistant and able to absorb energy.
  • the energy balance requires a strong insulation of the outer envelope, which implies the use of insulating materials, quite light almost by definition, while inside the building it is preferable to have a mass with high inertia thermal (point low for wooden constructions) to ensure comfort in summer.
  • the stability of the floors imposes a rigidity with a sufficient eigen mode, to ensure a good mechanical vibratory comfort (to limit the rebound effect of the floors).
  • the architect has formulas that take into account laboratory values (R w , L nT , w ) that essentially reflect direct transmission through the main wall compositions.
  • the calculations thus made reflect, in practice, rarely the reality, sign of a deep misunderstanding of the factors related to the indirect transmission of acoustic energy to the right of the junctions (the modeling of these factors is still poorly controlled for the constructions in wood).
  • Wood constructions regardless of their quality in other respects, are considered by poor construction workers as poor parents with regard to acoustic performance compared to traditional masonry constructions.
  • the panels of US 5685124 consist of ribs arranged in sawtooth, sandwiched between plywood panels.
  • the triangular section volumes determined by these ribs are filled on the one hand with thermal insulation and on the other hand with a heavy load, in particular gravel, intended to improve the acoustic insulation.
  • GB 1103853 discloses similar structural panels which comprise two outer plates between which a solid granular filler of high specific gravity and an elastic intermediate layer of sound insulation are inserted.
  • US 5205091 does not relate to wood structures but describes the use of a damping layer, which may be granular, arranged below tiled floors in multi-storey buildings to reduce impact noise transmissions to through these floors.
  • An object of the invention is to promote a prefabricated wooden construction system meeting the acoustic performance requirements between housing, without the use of wall lining.
  • Another object of the invention is that this system allows rapid erection height over several floors and can use prefabrication, so as to reduce the cost.
  • Another object of the invention is the construction of wooden buildings meeting the requirements of stability, rigidity and strength required in seismic zones.
  • Another object of the invention is to be able to make large premises, with, in particular, bearing free floor areas up to 7 m.
  • Another object of the invention is the placing on the market of buildings with a low ecological impact.
  • Another object of the invention is the development of a compact wooden structure, to make the most of the volume of living rooms and to benefit from the aesthetic appearance of natural wood.
  • Another object of the invention is to promote an improvement in the energy performance of buildings both in summer and in winter.
  • the ribs are advantageously made of a material selected from [solid wood, solid butted wood, engineered wood, glue-laminated wood, reconstituted wood].
  • the ribs are preferably structurally fixed to the wood panel by gluing, so that the contact surface provides cohesion of the panel + rib composite section and thus increases the mechanical inertia characteristics of the panel. If necessary, this collage may be replaced or supplemented by mechanical fasteners such as screws, tips, pins, etc. possibly sealed to the resin.
  • the degree of filling in granular material of the intermediate volume between two ribs is advantageously between 20 and 100%; it is preferably greater than 80%.
  • the volume possibly remaining between the granular material and the plane determined by the upper face of the ribs is preferably filled with an acoustic-quality material chosen from [mineral wool, felt, cotton wool or the like and their mixture ].
  • the granular material preferably has a low absoption rate of moisture, a specific particle size of between 1 and 8 mm, a material or a package which limits its moisture content to 15% and a density of between 1100 and 1700 kg / m 3 .
  • the granular material is advantageously chosen from [gravel, mineral aggregates such as sand, industrial residues such as clinker, crushed concrete].
  • the plane ⁇ determined by the upper face of the ribs is advantageously surmounted by a floating slab, a layer of resilient material being interposed between this plane and the floating slab.
  • the building structure comprises at least one vertical wall essentially made of wood, these walls being fixed by an attachment means in line with one of the ribs lining the table.
  • a trim panel (made of wood or other material), peripheral to the table, is disposed under the end face of this at least one wall and extends horizontally on the upper face of the ribs on a width corresponding at least to the distance separating two of these ribs.
  • a resilient seal is disposed between the trim panel and the rib to which the at least one vertical wall is attached.
  • it comprises at least one vertical wall essentially made of wood that goes lower than the plane ⁇ , and is fixed by a fastening means to a rib edge disposed flat on the side of the table.
  • the volume contiguous to this ridge and at the foot of the wall is filled with a mass of granular material.
  • a resilient seal is disposed between the at least one vertical wall and the ridge rib to which it is attached.
  • the at least one vertical wall consists of laminated panels or timber framing panel.
  • the fastening means is an L-shaped bracket, at least one of the wings of this bracket having perforations surrounded by a conical bevel, this wing being fixed to the structure by means of screws or bolts. conical head of corresponding dimensions, a washer of resilient material being interposed between the chamfer and the head of these screws or bolts, so as to decouple acoustically, the other wing of this bracket being fixed to the table.
  • the fixing means comprise a plurality of blind holes formed horizontally in the thickness of a vertical panel, near its base, a vertical through hole connecting the base of each of these blind holes and the underside of the vertical panel.
  • the height of a blind hole corresponds substantially to the length of a lag bolt introduced into the through hole and screwed into a rib.
  • An anti-vibratory tip of resilient material is inserted between the head of the lag bolt and the inner wall of the through hole, thereby acting as an acoustic stabilizer.
  • the panel forming the table preferably has a thickness of at least 95 mm (depending on the loads to be resumed, it can however go down to values of the order of 60 mm).
  • a thickness of at least 95 mm depending on the loads to be resumed, it can however go down to values of the order of 60 mm.
  • One of the advantages of this relatively large thickness is that the burning of the wood only affects its lower surface layers, without impairing the ability of the whole to support its load.
  • Another advantage of this relatively large thickness, which combines with the large width of the elements of the table, is that the assembly [ribs + panel] has de facto excellent characteristics of structural inertia, which contributes to its strength. efficiency.
  • dividing walls separate two contiguous rooms A and B, each of these rooms having its own horizontal structure, distinct vertical walls, means of assemblies and separate floating screeds.
  • An anchoring bracket fixed on the one hand to the edge rib of one of the parts, on the other hand to the upper vertical wall of the other part provides the mechanical attachment and vibration cut of these two structures.
  • the structure of the invention is a coherent overall approach to economically and simply regulate the safety and comfort of the occupants.
  • the Fig. 1 schematically shows the different modes of propagation of acoustic energy between two parts separated by a wall.
  • the direct transmission (arrow A) is directly through the partition wall. It is observed that a significant part of the energy is propagated by indirect transmission, via the side walls (arrows B1, B2, B3). Finally, some of the energy is spread by air (parasitic transmission, arrow C).
  • the junction between the walls (dotted circle K ij ) therefore plays an important role.
  • the properties of the structure of the invention are based firstly on the structure of the element separating two stages (table 1), which assumes both the function of ceiling (for a lower stage) and of the floor (for an upper stage) - These two names can be used interchangeably in the description below - and on the other hand on the connecting elements between the different parts.
  • the Fig.2 shows, in section, an embodiment of a horizontal structure 1 (ceiling / floor) of a building according to the invention.
  • the lower part of this structure 1 is a table formed by a panel 2 consisting of solid wood planks stacked in crossed layers at 90 ° and stuck together structurally between them over their entire surface (said laminated panel), the lower face 4 forms the ceiling of a first room or a first floor.
  • This panel 2 is secured, at its upper face 6, to a series of wooden ribs 8 (seen here end). This joining is preferably done by gluing-pressing, so that the assembly [panel 2 + rib 8] reacts as a single structure, which increases the structural inertia.
  • the gravel after spillage, undergoes a certain settlement (generally of the order of 8 to 12%). It is however possible to fill the rejection ribs and to complete the filling after mechanical settlement, according to the requirements to be respected.
  • the use of gravel has four major advantages: it is a heavy material, which easily absorbs noises and vibrations; it is a material that has a high thermal inertia; it is a discontinuous material, which therefore has a high acoustic impedance; it is finally a material easy to move. It is therefore possible to pass sheaths and conduits without problem, even after the event.
  • the ribs 8 here have a vertical rectangular section, but one can also consider a horizontal rectangular section, square, I or C, depending on the stresses to resume.
  • the upper face of the ribs 8 determines a plane ⁇ , which corresponds to the base of the floor of the room of an upper floor.
  • the possible gap between the gravel and the plane ⁇ is filled with a lightweight absorbent material 12, such as rockwool, for example.
  • the ceiling thus formed forms an open structure, which must be able to resume all solicitations (shocks, loads, etc.) from the upper floor.
  • the structure as developed is already extremely rigid, and avoids the trampoline effect, even on large spans.
  • a floating floor is generally used.
  • a resilient layer 14 for example a decoupling felt
  • a floating peripheral panel 16 is extended to form an intermediate layer, above which is placed a resilient layer 18, on which one comes to place the floating screed 20 (which can be dry type or wet), taking care that it is nowhere in direct contact with the supporting structure, which would certainly ruin all the precautions taken at this stage.
  • the elastic layer 18 rises in plinth 21 along the upper vertical wall 22 to complete the acoustic decoupling.
  • the floating peripheral panel 16 consists of 2 pieces (as shown in FIG. Fig.2 ) to facilitate the subsequent discharge of gravel.
  • This feature strengthens the end of the table and facilitates the installation of fasteners, such as a bracket 26, one of whose wings 28 sits on the surface of the rib 24 projecting inwardly, the other wing 30 being fixed to the upper vertical wall 22.
  • acoustic “decoupling means” are interposed “in series” between the different parts of the structure, as can be seen in Fig. 3 .
  • an absorbent elastic layer 32 placed between the outer rib 24 and the peripheral panel 16, then a decoupling washer 33 (playing a stabilizing role) interposed between the screw head 34 with conical head and the corresponding wing 28 of the bracket 26.
  • a second elastic layer 36 (acting as an acoustic isolator) is disposed between the bracket 26 itself and the peripheral panel 16 of the structure.
  • Washer 33 provides a welcome centering function for assemblers.
  • the position of the bracket 26 can obviously be reversed, as well as that of the decoupling means 33, 36.
  • An additional resilient seal 38 (optional) is placed in a groove in the peripheral panel 16.
  • the Fig. 4 shows the structure of a building according to the invention under construction, partly in perspective and partially in section along a plane perpendicular to that of the Fig. 2 .
  • the ribs 8 are here seen longitudinally.
  • a continuous edge piece 40 (shown in perspective) dug with mortises 42 provides both sealing, vertical continuity of the structure, alignment and maintenance of the ends of the ribs 8. It closes the volumes between the ribs where the gravel will subsequently be dumped (usually by pumping).
  • the brackets 26 are here arranged on the ends of the ribs 8. Note here the presence, here too, of a plate 16 peripheral to the horizontal structure 1, which creates an additional change of medium and leads to a better distribution of energy and a strengthening of the junction.
  • Fig.5 to 7 show another advantageous embodiment of the connection between a horizontal structure 1 and the facade walls 22.
  • the end rib 24 of the embodiment shown in FIGS. Figures 2 to 4 here is replaced by a bank rib 44 laid flat.
  • a conventional square 26 or a reinforced square 46 is used here.
  • Fig. 7 a puck of decoupling 33 (playing a stabilizing role) is interposed between the screw heads 34 with conical heads (to bolt) and the corresponding wing of the bracket 26, 46.
  • a second elastic layer 36 (acting as an acoustic isolator) is disposed between the bracket 26, 46 itself and the structure 1.
  • a wooden tongue 48 is disposed between the brackets, so as to facilitate subsequent access to the screws 34 and provide a support for the yoke.
  • brackets 26, 46 are here arranged on the longitudinal edge rib 44 and no longer on the ribs 8.
  • the brackets 26, 46 being below the floating slab 20, there is obtained a space saving in the horizontal plane: the yoke extends 20, without obstacle, to the vertical wall 22.
  • the resilient plinth 21 interposed between the clevis 20 and the upper vertical wall 22 is extended downward so as to cover the vertical flange 30 of the bracket 26, 46.
  • the Fig.8 shows, in cross section, an alternative embodiment of the assembly of the structure according to the invention.
  • the table 2 is here fixed to the vertical wall 22 not by brackets, but by a wooden profile (or other similar material) 49 flush with the plane ⁇ .
  • a wooden profile (or other similar material) 49 flush with the plane ⁇ .
  • horizontal and vertical perforations enable this profile 49 to be fixed to the edge rib and to the vertical wall by means of lag bolts, screws or other fastening means 50.
  • the Fig. 9 is a sectional elevation of a dividing wall separating two rooms of the same floor. All components of an exterior wall assembly (as described in Fig. 2 to 8 ) are here.
  • the acoustic problem is complicated by the need to attenuate the noise and vibrations passing between two adjacent rooms. It is no longer possible to use a "simple" sign, otherwise you will get highly degraded results.
  • This problem is solved by uncoupling parts A and B between them: each has its own horizontal structure 1A and 1B, separate vertical walls 22A and 22B, means of assemblies and separate floating screeds.
  • a layer of light resilient material 52 acoustically separates the two structures thus contiguous.
  • the mechanical anchoring by anchoring of these two structures is obtained by fixing a bracket 53 (preferably reinforced) on the one hand to a rib 24B of one of the parts (here piece B), on the other hand to the upper vertical wall 22A of the other room using lag bolts 55.
  • part B it is also possible, as shown for part B, to double at least on one side the wall of a wall conventional anti-noise consisting of gypsum board 54 or fibroplâtre fixed by resilient profiles 56 and separated from the vertical wall 22 by a vacuum of about 20 mm.
  • the Fig. 10 shows a form of connection between the panel 2 of the table 1 and the lower vertical panel 22 corresponding with the help of a lag bolt 58. It is obviously necessary to ensure here also an acoustic decoupling between the two elements 2, 22 inferior.
  • the lag bolt 58 is inserted into a through-hole 60 with a diameter much greater than that of the rod 61 of the lag bolt 58. Decoupling and centering are provided on the side of the head of the lag bolt 58. a cylindrical stabilizing tip 62 of resilient material whose lower surface is slightly conical, and the side of the rod 61 by another endpiece or an O-ring 64. A rigid assembly is thus obtained without any acoustically detrimental contact. between the panel 2 and the lag bolt 58.
  • a resilient isolator seal 66 is interposed between the panel 2 and the top of the vertical panel 22. A ceiling angle profile (not shown) can, if necessary, subtract this seal 66 at the sight of the users.
  • the Fig. 11 and 12 show another method of assembly between a rib 8 of the table 1 and an upper vertical panel 22.
  • a blind hole 68 is formed (generally by ripping) in the thickness of the vertical panel 22, near its base.
  • a through hole 70 connects the base of this blind hole 68 and the underside of the panel 22.
  • the height of the blind hole 68 corresponds substantially to the length of a lag screw 72, which allows the introduction of this lag screw. 72 in the through hole 70 and its screwing into the rib 8.
  • the diameter of the lag bolt is chosen according to the stresses to be resumed.
  • a tip of resilient material 74 is inserted between the head 75 of the lag bolt 72 and the inner wall of the through hole 70, thereby acting as an acoustic stabilizer and centering.
  • the head 75 of the lag screw has a slight taper so as to favor the centering of the rod in the through hole 70.
  • the hole 70 has a diameter substantially greater than that of the rod of the lag bolt 72.
  • a thrust washer 76 (optional) (shown in FIG. Fig. 12 ) makes it possible to distribute the loads on a larger surface of wood.
  • the fastener is closer to the axis of the panel 22 (and / or the axis of a support column), the reversal torque of the panel 22 is more symmetrical.
  • the presence of the assembly is hidden by a plinth 78 or a decorative panel. It is therefore possible to control the state of fixation after an earthquake.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Floor Finish (AREA)
  • Building Environments (AREA)
EP10171075A 2010-07-28 2010-07-28 Mehrstöckige Gebäudestruktur aus Holz Withdrawn EP2412885A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10171075A EP2412885A1 (de) 2010-07-28 2010-07-28 Mehrstöckige Gebäudestruktur aus Holz
EP20110175708 EP2412886B1 (de) 2010-07-28 2011-07-28 Mehrstöckige Gebäudestruktur aus Holz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10171075A EP2412885A1 (de) 2010-07-28 2010-07-28 Mehrstöckige Gebäudestruktur aus Holz

Publications (1)

Publication Number Publication Date
EP2412885A1 true EP2412885A1 (de) 2012-02-01

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Family Applications (2)

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EP10171075A Withdrawn EP2412885A1 (de) 2010-07-28 2010-07-28 Mehrstöckige Gebäudestruktur aus Holz
EP20110175708 Not-in-force EP2412886B1 (de) 2010-07-28 2011-07-28 Mehrstöckige Gebäudestruktur aus Holz

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20110175708 Not-in-force EP2412886B1 (de) 2010-07-28 2011-07-28 Mehrstöckige Gebäudestruktur aus Holz

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014002800U1 (de) 2014-03-27 2014-04-15 Atelier De L'avenier Scrlf Hochbau mit verstellbaren oder abnehmbaren Scheidewänden

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1103853A (en) 1964-03-31 1968-02-21 Fraunhofer Ges Forschung Sound-insulating structural element
WO1981003041A1 (en) * 1980-04-23 1981-10-29 Gen Electric Cement reinforced gypsum foam with mineral wool
US5205091A (en) 1980-03-18 1993-04-27 Brown John G Modular-accessible-units and method of making same
US5685124A (en) 1994-04-21 1997-11-11 Jandl, Jr.; Adolf Wall, ceiling or roof elements with heat insulation properties on one side and sound insulation properties on the other
EP0849412A2 (de) * 1996-12-21 1998-06-24 Lignotrend Holzblocktafel Systeme GmbH Holzbautafel
DE20017574U1 (de) * 2000-10-09 2001-01-25 Wiegand Thomas Gebäudewandungsteile, insbesondere Wände, Böden, Decken o.dgl. sowie Elemente davon mit Dickstofffüllung
DE20104144U1 (de) * 2001-03-09 2001-08-09 Hoenle & Partner Gmbh Zementschaumdämmung für Holzbalkendecken
WO2002006606A1 (de) * 2000-07-17 2002-01-24 Wiesner, Erich Selbsttragendes und lastabtragendes bauelement
DE10227327A1 (de) * 2002-06-19 2004-01-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Geschoßdecke
CH695061A5 (de) * 1999-09-24 2005-11-30 Lignum Holzwirtschaft Schweiz Trittschalldämmende Holzdecke.
DE102005051255A1 (de) * 2005-10-11 2007-04-12 Kurt Held Faserplatten-Hochbauelement
WO2007091899A1 (en) * 2006-02-10 2007-08-16 Combino As Elements/slabs based on solid wood elements reinforced with concrete
EP2063037A1 (de) * 2007-11-20 2009-05-27 Lignotrend AG Decke für ein Bauwerk

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1103853A (en) 1964-03-31 1968-02-21 Fraunhofer Ges Forschung Sound-insulating structural element
US5205091A (en) 1980-03-18 1993-04-27 Brown John G Modular-accessible-units and method of making same
WO1981003041A1 (en) * 1980-04-23 1981-10-29 Gen Electric Cement reinforced gypsum foam with mineral wool
US5685124A (en) 1994-04-21 1997-11-11 Jandl, Jr.; Adolf Wall, ceiling or roof elements with heat insulation properties on one side and sound insulation properties on the other
EP0849412A2 (de) * 1996-12-21 1998-06-24 Lignotrend Holzblocktafel Systeme GmbH Holzbautafel
CH695061A5 (de) * 1999-09-24 2005-11-30 Lignum Holzwirtschaft Schweiz Trittschalldämmende Holzdecke.
WO2002006606A1 (de) * 2000-07-17 2002-01-24 Wiesner, Erich Selbsttragendes und lastabtragendes bauelement
DE20017574U1 (de) * 2000-10-09 2001-01-25 Wiegand Thomas Gebäudewandungsteile, insbesondere Wände, Böden, Decken o.dgl. sowie Elemente davon mit Dickstofffüllung
DE20104144U1 (de) * 2001-03-09 2001-08-09 Hoenle & Partner Gmbh Zementschaumdämmung für Holzbalkendecken
DE10227327A1 (de) * 2002-06-19 2004-01-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Geschoßdecke
DE102005051255A1 (de) * 2005-10-11 2007-04-12 Kurt Held Faserplatten-Hochbauelement
WO2007091899A1 (en) * 2006-02-10 2007-08-16 Combino As Elements/slabs based on solid wood elements reinforced with concrete
EP2063037A1 (de) * 2007-11-20 2009-05-27 Lignotrend AG Decke für ein Bauwerk

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EP2412886A1 (de) 2012-02-01
EP2412886B1 (de) 2013-03-20

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