EP2227605A2 - Procédé de production d'un assemblage longitudinal pour composants en bois, et composant en bois correspondant - Google Patents

Procédé de production d'un assemblage longitudinal pour composants en bois, et composant en bois correspondant

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Publication number
EP2227605A2
EP2227605A2 EP08861323A EP08861323A EP2227605A2 EP 2227605 A2 EP2227605 A2 EP 2227605A2 EP 08861323 A EP08861323 A EP 08861323A EP 08861323 A EP08861323 A EP 08861323A EP 2227605 A2 EP2227605 A2 EP 2227605A2
Authority
EP
European Patent Office
Prior art keywords
fitting
glulam
beams
glued
glulam beams
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
EP08861323A
Other languages
German (de)
English (en)
Other versions
EP2227605B1 (fr
Inventor
Mathias Hofmann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2227605A2 publication Critical patent/EP2227605A2/fr
Application granted granted Critical
Publication of EP2227605B1 publication Critical patent/EP2227605B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
    • E04C3/14—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members with substantially solid, i.e. unapertured, web
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • E04B2001/262—Connection node with interlocking of specially shaped wooden members, e.g. puzzle type connection
    • E04B2001/2624—Connection node with interlocking of specially shaped wooden members, e.g. puzzle type connection with dovetail-type connections
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • E04B2001/264—Glued connections
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • E04B2001/2644—Brackets, gussets or joining plates
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • E04B2001/2692—End to end connections of elongated members along their common longitudinal axis

Definitions

  • the present invention relates to a method for producing a longitudinal connection for timber components and to a corresponding wooden component according to the preamble of claim 1 or 17.
  • Bonding of the load-bearing timber components is e.g. either by shanking them or by a universal finger joint connection possible.
  • Corresponding calculations and design of timber structures can be found in DIN standard 1052, para. 14. Countless property rights deal with such problems.
  • DE 25 43 085 C2 is a U-shaped steel part in the form of a bow with webs and legs of a checkerboard offset from each other in the grooves of a Holzbauismes let in, so that the protruding from the abutting surface angled webs are pushed together.
  • two wooden parts to be joined are provided on their facing end side with a smooth front side, on which the two Hoiz- carriers are connected adjacent to each other.
  • a recess running convexly over both end sections is incorporated on two opposite sides, ie once in the bending tensile zone and once opposite each other in the bending pressure zone.
  • a respective convex-shaped passport is formed from both opposite sides.
  • the fitting piece can be pressed by using convex punches in the convex recesses and glued or glued in there, or it fits pieces are used, which are correspondingly convex preformed.
  • the projecting portions of material can then be processed on the two opposite outer sides of the interconnected wooden beams plane-parallel to the adjacent boundary wall of the connected timber beams.
  • the fittings to be incorporated may be made of any suitable material, such as plastic, metal, laminate, fiberglass or other material.
  • the fittings can also consist of lumber or plywood.
  • the efficiency of a butt joint can even be in the range of 90% to 100% compared to the load of an unattenuated wood cross section, whereby higher deformations based on a connector slip are avoided.
  • the invention preferably assumes that the at least two wooden components to be joined are connected in a connecting section (that is, in a partial thickness) to a universal wedge tine connection.
  • a connecting section that is, in a partial thickness
  • a universal wedge tine connection in which a corresponding fitting piece is non-positively inserted into a recess incorporated in the wooden components to be connected, i. a preferably made of wood fitting piece is glued accordingly.
  • the at least two wooden components to be joined receive at the ends to be joined together - generally in the so-called bending tensile zone - in each case a free cut, in which after pushing the two wood components depending on the required shape, a corresponding fitting piece is glued.
  • the wood components connected according to the invention are preferably used as supports, it will generally be sufficient to provide the corresponding fastening connection only in the bending tensile zone, as a rule on the underside of the support. If a bending stress on the Carrier top is present, the mentioned fitting piece can also be glued to the top of the connected timber developer. In an alternating bending stress and the two-sided arrangement of a fitting piece may be required. But above all, even if the associated wood components are used as supports, it may be appropriate to provide an all-round arrangement of the fittings depending on the position of the component. This is especially recommended if the supports can be exposed to a wide variety of bending stresses, ie bending stress in the most varied directions, or alternatively such different bending stresses occur.
  • the outer sides of the wood components to be connected in the bending tension zone (when using a more horizontally oriented carrier, ie the lower side of the wooden components) have an inclination in the region of the mentioned recess, which as a rule has a value of up to a maximum of 1/10 having. Particularly high load and load forces are absorbed when the inclination of the Shuftung above all has a value up to 1/10 or less.
  • shank connections produce fiber-parallel joints in components made of wood with adhesion surface slopes of at most 1/10.
  • the value of the shank greater than that indicated Value of 1/10, for example up to 1/8, 1/6 or even 1/5 and more.
  • the decisive factor is that the stock should have the smallest possible value, starting from the end of the stocking (ie away from the joint between the two pieces of wood to be joined). In other words, from Expiring the fitting piece starting over a sufficient length of the fitting piece the Schftung have the least possible slope.
  • the geometry of the prefabricated fitting here is preferably at least 1/6 of the height (or thickness) of the timber component and half the length of the base of the fitting is 10 times the fitting height.
  • the fitting itself may have different basic shapes. It can be designed symmetrically in side view but also designed asymmetrically. It can be designed at least approximately triangular or rather trapezoidal in side view. Especially in the transition region, ie at the joint area of the two wooden components to be joined at the front side, the upper side of the fitting piece does not have to be tapered, but can also be rounded here, parallel to the underside etc. or even flattened obliquely to the lower edge.
  • the fitting on its outer side (usually in the form of the underside receiving the maximum bending tensile forces) with a high-strength premium blade preferably in the form of a high-strength premium board lamella.
  • the glulam beams can be glued to increase the loads to be included also on their Biegezug outside with high-strength premium board slats. If required, several premium board slats can also be connected to one another and connected to the glulam beams.
  • a Premiumbrettlamelle leads in the area of the joint of the wooden components to be joined to a higher strength, which applies to both a bending and a tensile or compressive load. On In any case, this can achieve a strength that is at least equal to, and in some cases even higher than, the strength of the unbudded base material.
  • an additional reinforcement layer e.g. glued, which may for example consist of the materials used for the premium board slats.
  • This bonded length connection can be realized without diminishing the strength as well as the aesthetics in comparison to unattenuated, unbudded wooden components.
  • the strength is severely reduced by branches and defects.
  • the defects determine the strength classes.
  • it is reinforced in the reduced area in such a way that the disturbance / reduction of the gross cross-section in the interior of the cross-sectional area of around 2/3 of the section height no longer plays any role.
  • Figure 1 a longitudinal sectional view or side view of the longitudinal joint of a Parallelgurtussis with inserted fitting
  • Figure 2 is a perspective view of the embodiment of Figure 1 prior to assembly of the individual parts;
  • Figure 3 is a modified to Figure 1 representation of a longitudinal joint of a sheet binder
  • Figure 4 a schematic side view of a
  • Figure 5 a modified to Figure 1 side or
  • Figure 6 a modified to Figure 5 representation with top flat plateau
  • FIG. 7 is a view again modified from FIG. 6, in which the upper flat plateau merges via rounding into the sheath connection;
  • FIG. 8 shows a schematic longitudinal side or longitudinal cross-sectional view of a further modified exemplary embodiment using premium board lamellae and using a further lamellar reinforcement
  • FIG. 9 a spatial representation of a single defect-free board lamella
  • FIG. 10 shows a three-dimensional representation of a hybrid panel consisting of four individual lamellae sitting side by side;
  • FIG. 11 a spatial representation to explain the production of a premium board lamella by means of separating cuts
  • FIG. 12 shows a further spatial illustration for explaining the production of a premium board lamella which is glued from a plurality of individual bar-shaped lamella sections;
  • FIG. 13 shows an excerpt spatial representation of a fitting with glued on the bottom or outside (also only partially shown) hybrid lamella, consisting of four individual lamellae;
  • Figure 14 is a schematic excerpted representation in longitudinal or side view with explanation of the production of a particularly optimal transition or outlet area between fitting piece and glulam beam;
  • Figure 15 a schematic longitudinal section or
  • Page representation reproduced modified embodiment using fertilizing a pressure block on the bending pressure side of the wood connection
  • FIG. 16 shows a cross-sectional view transversely to the longitudinal direction of two connected glulam beams, in which recesses are incorporated on two opposite sides and one fitting piece is glued in each case;
  • FIG. 17 shows a modified embodiment with respect to FIG. 16, in which a fitting piece 5 is provided or glued on all four outer sides in the joint region of the glulam beams 1, 2 to be joined.
  • FIG. 1 shows a glued longitudinal connection as a longitudinal joint of glued laminated timber with a fitting piece installed in the bending tension zone in the side view (that is to say with the bending tension zone lying below in the vertical direction).
  • glulam beams 1 and 2 are cut to size according to the figures and milled into the ends 3 and 4 of the load-bearing timber components which are to be connected to each other as a universal prong connection.
  • This finger joint profiles 8 are coated with glue or glue and the ends 3 and 4 of the two glulam beams 1 and 2 are pressed under longitudinal pressure according to the arrows Ll or L2.
  • the ends 3, 4 of the two glulam beams 1, 2 with the already incorporated recesses A1 and A2 and their underside and the fitting piece 5 to be finally inserted therein are schematically indicated in a schematic, partial spatial representation.
  • the rib-shaped finger joints preferably extend in the vertical direction H, ie transversely to the outer or underside, on which the recesses Al or A2 incorporated and the mentioned fitting piece is inserted there.
  • the construction is such that, in the region of the ends 3, 4 of the glued-laminated beams 1, 2 to be joined together, a separate recess A1 or A2 originates from the lower edge 9 (ie, the outer or lower side 9) of the laminated wooden part 1 and starting from the lower edge 10 (ie the outer or lower side 10) of the glulam support 2 is to be incorporated, with the formation of obliquely tapered undersides 6 and 7.
  • the obliquely tapered undersides 6 and 7 of the glulam beams 1 and 2 are to produce a smooth milling without milled finger joint profile 8 and result in the assembled state, a common recess A, which has the shape of an isosceles triangle in the embodiment shown.
  • This common recess A is formed from the two above-mentioned separate recesses which have been worked into the two end regions of the two glulam beams 1, 2.
  • This isosceles triangle with sides 6 and 7, a separately prefabricated fitting 5 is adjusted and adhered under lateral pressure Q to the undersides 6 and 7 of the glulam beams 1 and 2.
  • the Geometry of the fitting 5 is determined by the support height H of the unattenuated timber component of the glulam beams 1 and 2.
  • the leg height h of the fitting 5 is> . H /. 6
  • the cutting angle has an inclination of up to 1/10 in accordance with the specifications of DIN 1052 (from 2004) for body joints.
  • the inclination can also be carried out partly steeper, so take values of up to 1/8, 1/6 or for example 1/5.
  • the angle of inclination ⁇ of the shank will assume a value which is a maximum of 1/10 and may even be smaller if necessary, so that the inclination, as far as the structural analysis allows, is reduced even further.
  • a powerful element is arranged as a fitting 5 in the form of a triangle.
  • the fitting 5 is glued in the form of a socket connection fertil in the embodiment shown in the manner of an isosceles triangle in the recess A.
  • a shank connection is understood to mean fiber-parallel impacts in components made of wood with adhesive surface inclinations of at most 1/10.
  • shank connection also means adhesive surface slopes of more than 1/10.
  • the longitudinal joint described here achieves the strengths of the undisturbed wood cross section.
  • This wood / timber longitudinal joint can be executed or repeated for any number of glulam beams 1 and 2 and thus enables the production of load-bearing timber components of any length.
  • At least on one outer side 6, 7 of the glulam beams 1, 2 is to introduce a recess and this recess is to be filled with a dimensionally appropriate prefabricated fitting 5 so that its base flush with the lower edge 9, 10 of the glued laminated timber Carrier 1, 2 is.
  • FIG. 2 A corresponding representation of the exemplary embodiment according to FIG. 1 is reproduced spatially in FIG. 2, namely with the two wooden components 1 and 2 which have not yet been joined together and the representation of the fitting piece 5 to be inserted spatially separated thereunder 2 processed before joining so that they are provided with the recess Al or A2.
  • the fitting piece 5 is then connected to the two wooden components.
  • the transverse extent QE perpendicular to the longitudinal extent L and perpendicular to the height H of the glulam beams 1, 2 to be joined corresponds to the corresponding dimension in the transverse extension direction with respect to the fitting piece 5 to be inserted 5 so extends in the illustrated embodiment over the entire width or thickness of the glulam beams 1, 2 to be joined.
  • the fiber directions F are oriented at least approximately in the longitudinal direction L, both in the glulam beams 1, 2 to be joined and in the fitting piece to be inserted. preferably oriented in this direction.
  • FIGS. 3 and 4 two embodiments which are modified with respect to the exemplary embodiment according to FIG. 1 are shown, wherein the procedure of producing the longitudinal connection of the supporting components takes place analogously to FIG.
  • the fitting piece 5 is designed as an arch triangle.
  • a bow tie it forms and assumes a concave shape or, according to FIG. 4, a convex shape in order to produce a fish belly binder, around this concave or convex fitting piece 5 respectively on the underside 6, 7 of the glulam beams 1, 2 use.
  • the fitting 5 in its triangular shape terminates in its transition region 25 (where the two glulam beams 1 and 2 to be joined are joined end-to-end) with a tip 105a having a total triangular shape
  • this transition region 25 can be rounded off at the fitting piece 5 opposite its outer or lower side 5 a, that is to say with a rounding 105 b.
  • FIG. 6 it is shown that the region of the fitting piece 5 which runs off at the top can be formed with a flat surface 105c which, for example, is parallel or oblique to the bottom edge or bottom side 9 or 10 of the two glulam beams 1, 2 can run.
  • the flattening 105c can likewise not be edged in the transition region to the socket connections 24, but can also be rounded (rounded portions 105d), as shown in FIG.
  • the fitting is formed so that it from a maximum elevation usually in the transition region 25, starting to its respective ends lying to the ends 3, 4 of the glulam beams 1, 2 remote outlet and transitional area corresponding to the shank inclination (shank angle ⁇ ) becomes thinner and decreases in height.
  • the fitting 5 need not have a single highest point 105a or 105b, but may be in a central region, for example, 10% to 60% of the total length of the fitting piece or less, for example 20% to 30% of the total length of the fitting piece 5 have more or less the same elevation, only to taper out as far as possible towards the outlet and transition area, with a shank inclination of a maximum of 1/10 or preferably even less, in order to provide an optimum shank connection to the adjacent glued laminated timber.
  • Carrier 1, 2 produce.
  • the fitting piece 5 is thus glued in the recess A with the outer or lower sides 6, 7 of the at least two glulam beams 1, 2 to be joined by means of a shank connection 6 ', 7' in such a way that the sheath connection 6 1 , 7 'between the fitting 5 and the respective glulam beams 1, 2, starting from the outlet and transitional area El, E2 of the fitting 5 in the direction of the end 3, 4 of the associated glued laminated timber Carrier 1, 2, at least in a partial length of the fitting piece with a socket inclination, which has a value preferably up to a maximum of 1/10, increases.
  • the fitting piece is designed symmetrically to a perpendicular to the longitudinal direction of the bonded glulam beams 1, 2.
  • the corresponding common recess A and the fitting 5 can also be formed asymmetrically, so must not be designed symmetrically in side view deviating from the figures 1 and 3 to 5 in a lateral view.
  • the adhesive surfaces 6 1 and 7 'between the fitting 5 and the components 1, 2 may also be provided with a suitable profiling, so that no loss or concentration of stress in the adhesive surface is formed.
  • the fitting 5 is provided in the lower cross-sectional area to the outer or lower edge 5b corresponding to the outer or underside of the wooden components 1.2 with a high-strength premium blade 23 (see Figure 8), in particular in the form of a Premiumbrettlamelle 23.
  • the glulam beams 1, 2 likewise preferably have high-strength premium lamellae 21, 22 in the lower cross-sectional area, likewise preferably in the form of high-strength premium board lamellae 21, 22, so that the transition between the glulam beams 1, 2 and the fitting 5 interferes. is bonded glueless.
  • a plurality of premium board lamellae 21 to 23 are also to be arranged in the lower cross-sectional area, which may be advisable in particular in order to achieve high carrier cross-sections.
  • the entire fitting piece can be made of coniferous or hardwood, a wood material or otherwise suitable for the application material, so that a defect-free bonding is possible.
  • the fitting can also be installed from a suitable material in solid or liquid form with the help of a shuttering.
  • lateral reinforcements 29 may be provided, which are indicated by dash-dotted lines in the schematic side view in FIG.
  • These lateral reinforcements or reinforcing plates 29 may be made of laminated veneer lumber, plywood or other suitable material.
  • the premium blade may preferably have a thickness (height) of from 30 mm to 60 mm, in particular from 40 mm to 45 mm. If the carriers 1, 2 are curved, then depending on the radius of curvature, the lamellae can be made significantly thinner. For example, the premium fin and / or a reinforcing fin discussed below may have a thickness of only up to 6 mm.
  • the thickness of the premium and / or the subsequently discussed reinforcing blade 28 may also have a thickness which is between 1/6 to 1/4 or 1/3, ⁇ 30%. In other words, the thickness could also be between 1/8 to 1/2, in each case based on the height H of the fitting piece. 5
  • an additional reinforcing blade 28 at the Be provided outside or underside of the wood compound.
  • a further reinforcement lamella 28 is provided, which covers both the outer or lower side 21a or 22a of the two premium board lamellae 21 and 22 (respectively on the lower side of the two wooden components 1 and 2) 2) and the Premiumbrettlamelle 23 in the area of the fitting piece 5 together.
  • this reinforcing blade 28 may be provided, depending on whether or not the mentioned premium board blades 21, 22 or 23 are provided on the wooden components 1 and 2 or on the fitting piece 5.
  • This mentioned additional reinforcing lamella 28 can be glued, in particular at the transition region from the fitting piece 5 to the relevant glulam support 1, 2 or preferably over the entire support length.
  • Reinforcing blade 28 may consist of the same materials from which the premium board blades 21 to 23 are formed, which will be discussed below.
  • the premium board lamella may consist of a defect-free or defect-free lamella with punctured branches up to preferably 5 mm in diameter, as shown schematically in FIG.
  • the Premiumbrettlamellen can also be glued parallel to a hybrid board blade from several rods, as schematically shown in Figure 10.
  • the production of these glued board slats can be done first by separating a previously glued block ( Figure 11) or the gluing of individual squared timbers 280 ( Figure 12).
  • the hybrid board blade ( Figure 10) is made of flawless softwood such as silver fir or spruce or hardwood manufacture. It must be ensured that the production-related finger jointing is sufficiently offset.
  • hardwood or suitable wood materials such as veneer plywood can be used for the premium lamella.
  • the hybrid lamella consisting of a plurality of individual lamellae according to FIG. 10 is shown spatially in a connected state with the fitting piece 5 in FIG. 13, with part of the front fitting piece and the hybrid lamella consisting of a plurality of individual lamellas being omitted for clarification of the sectional plane P shown there and the extended socket cut - Connection 5 1 only regarding. the further lines are indicated to the right continuously.
  • the sectional plane P spatially apparent in FIG. 13 is also drawn in FIG.
  • the mentioned preminium lamella or the premium board lamella as well as the additional reinforcement lamella 28 is preferably made in such a way that the fibers in these lamellae are at least approximately or at least larger in the longitudinal direction L of the wooden components to be joined Component in longitudinal direction are aligned in the transverse direction.
  • the socket outlet area El, E2 that is to say the transition between the fitting piece 5 and the glulam beams 1, 2, is preferably designed as a flat gluing.
  • the Bonding can be applied with a defined pressing pressure in the form of a transverse pressure Q. But it is also possible a non-pressurized connection.
  • the bond can also be carried out as fferenpressklebung.
  • the bond can be reinforced with the use of suitable screws. It can be used as an adhesive with gap-filling property either polycondensation adhesives (phenol -resin-formaldehyde, resorcinol-formaldehyde) or polyadditionskleber (epoxy, polyurethane, methacrylate) use.
  • an allowance 26 ie a lamellar auxiliary layer, preferably also in wood
  • This allowance 26 may consist of softwood, hardwood or a wood material, and is in a length of Lü on the respective outer side 9, 10 stick. After bonding has taken place, the allowance must be removed by planing, sawing or milling to the lower edge of the support.
  • Zulagesnchicht 26 for producing a particularly optimal connection between fitting 5 and the glulam beams 1 and 2 in the lower outlet and / or transitional area El or E2 also applies to the case that on the bottom 5a of the fitting 5 and / or at the bottom 9 and 10 of the glulam beams the mentioned Premiumbrettlamelle 23 or 21 was adhered. Because even at the transition of Premiumbrettlamellen the best possible full-surface connection should be made at the outlet end formed there between fitting and wood components, since the largest bending tensile occur.
  • the illustrated exemplary embodiments have been explained for the case in which the respective beam ends 3, 4 are joined together by means of a universal finger joint connection 8 in the case of the glulam beams to be joined above the fitting piece 5.
  • the longitudinal joint can deviate in the bending pressure range from the previously described embodiments, i. deviating from the bending tension range.
  • the previous description provides for bending stress in the upper region of the cross section before a universal wedge tine compound.
  • the transition between the glulam beams 1, 2 may be excluded in the upper half of the support height of the carrier top to zero fiber, so that a positive pressure block 27 can be used by screwing and shrinkage filling compound or mortar, as shown in a schematic longitudinal section in FIG 15 is shown.
  • the pressure block is to be selected from a suitable pressure-resistant material and can be screwed in or poured in liquid form with the help of a casing.
  • the pass pieces must be tapered at their more triangular or trapezoidal side areas to the center of the wood connection here, since in a square or rectangular cross section of the glulam beams 1, 2 to be joined each fitting at its side boundary 5c with the corresponding side of a next twisted by 90 ° fitting piece comes into connection and also preferably is glued here with this side surface of the adjacent next fitting piece.

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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)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

L'invention concerne un procédé de production d'un assemblage longitudinal pour composants en bois, ainsi qu'un composant en bois correspondant, procédé caractérisé en ce qu'une pièce d'ajustage (5) est collée dans un évidement (A), par les faces extérieures ou inférieures (6, 7) d'au moins deux supports en planche de bois stratifié (1, 2) à assembler, et en ce qu'on forme, au moins dans une longueur partielle de la pièce d'ajustage (5), un assemblage à mi-bois coupé en biseau (51, 6') sur chaque support en planche de bois stratifié (1, 2), à partir de la zone de sortie et de transition (E1, E2) de la pièce d'ajustage (5), en direction de l'extrémité (3, 4) du support en planche de bois stratifié correspondant (1, 2).
EP08861323.7A 2007-12-19 2008-12-18 Procédé de production d'un assemblage longitudinal pour composants en bois, et composant en bois correspondant Not-in-force EP2227605B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007061318A DE102007061318B3 (de) 2007-12-19 2007-12-19 Verfahren zum Herstellen einer Längsverbindung für tragende Holzbauteile sowie tragendes Holzbauteil
PCT/EP2008/010852 WO2009077192A2 (fr) 2007-12-19 2008-12-18 Procédé de production d'un assemblage longitudinal pour composants en bois, et composant en bois correspondant

Publications (2)

Publication Number Publication Date
EP2227605A2 true EP2227605A2 (fr) 2010-09-15
EP2227605B1 EP2227605B1 (fr) 2013-05-01

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US (1) US9181701B2 (fr)
EP (1) EP2227605B1 (fr)
CA (1) CA2707801C (fr)
DE (1) DE102007061318B3 (fr)
RU (1) RU2491393C2 (fr)
WO (1) WO2009077192A2 (fr)

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Also Published As

Publication number Publication date
WO2009077192A3 (fr) 2009-12-10
CA2707801A1 (fr) 2009-06-25
US20100275551A1 (en) 2010-11-04
DE102007061318B3 (de) 2009-05-14
US9181701B2 (en) 2015-11-10
RU2010129853A (ru) 2012-01-27
CA2707801C (fr) 2016-04-19
EP2227605B1 (fr) 2013-05-01
WO2009077192A2 (fr) 2009-06-25
RU2491393C2 (ru) 2013-08-27

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