EP2096217A1 - Liaison pour structures de poutres en bois - Google Patents
Liaison pour structures de poutres en bois Download PDFInfo
- Publication number
- EP2096217A1 EP2096217A1 EP09153705A EP09153705A EP2096217A1 EP 2096217 A1 EP2096217 A1 EP 2096217A1 EP 09153705 A EP09153705 A EP 09153705A EP 09153705 A EP09153705 A EP 09153705A EP 2096217 A1 EP2096217 A1 EP 2096217A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- full
- thread screws
- wooden
- joint
- 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
Links
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 229920002522 Wood fibre Polymers 0.000 claims description 7
- 239000002025 wood fiber Substances 0.000 claims description 7
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 3
- 239000002023 wood Substances 0.000 abstract description 9
- 238000007906 compression Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001145 finger joint Anatomy 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/38—Arched girders or portal frames
- E04C3/42—Arched girders or portal frames of wood, e.g. units for rafter roofs
Definitions
- the present invention relates to a combination of two wooden beams with at least two self-tapping full thread screws per timber carrier.
- the cut mitred have a right angle enclosing abutting beams, the compound is formed as a glued wedge zinc billet or as a dowel bar.
- Ecktheticen delamination occurs with increasing load of structural disorders such as branches or finger joints.
- the present invention is based on the object, in compounds of the above type, such.
- B. tab joint and corner joint a higher load capacity and a greater connection stiffness to achieve.
- the full-thread screws are screwed in such a way that they remove the tensile forces perpendicular to the wood fiber direction and / or absorb tensile forces parallel to the fiber direction and / or Transfer compressive stresses at right angles to the fiber direction.
- the full-thread screws are drilled in such a way that they are subjected to essentially normal force.
- Laschen serial consisting of two longitudinally adjacent and abutting at a junction wood beams and at least one below the joint this bridging applied to both wooden beams and rectified to this extending wooden beam tab, two full-thread screws each extending in a direction perpendicular to the beam surface Screwing plane in mutually opposite directions at an acute Einschraubwinkel ⁇ 1 or ⁇ 2 screwed into one of the two wooden beams such that they intersect in the abutment plane within the wooden beam tongue, and at least two full-thread screws each in a direction perpendicular to the surface of the wooden beam level at a right angle Both sides of the joint are screwed into the wooden beams so that they end within the wooden beam tab.
- the screw assembly according to the invention is carried out according to a truss model, which is designed for the internal stresses by longitudinal force and bending.
- the use of self-tapping full-thread screws results in advantages of simpler and faster assembly of the screw connection, since a pre-drilling is eliminated and also the requirement for the precision of the position of the connecting means - accuracy of fit - are lower.
- the practically missing slippage of the screw connection is a significant improvement over the dowel connection. Due to the axial load of the full-thread screws according to the invention, significantly higher connection stiffnesses can be achieved than for the previously customary shearing-hole reveal connections.
- transverse and perpendicular full-thread screws are provided in pairs.
- three or more pairs of vertical and transverse full-thread screws are drilled one behind the other.
- a pair of vertically extending screws is preferably arranged in each case first per timber carrier.
- the vertically and transversely extending full-thread screws are appropriately arranged in the longitudinal direction one behind the other in such a way that the points of intersection of the perpendicular and transversely lying side by side starting from the joint extending full thread screws in the plant level between the wooden beam tongue and the wooden beams.
- the other full-thread screws abutting wooden beams and the wooden beam tab are screwed over the entire width thereof.
- the angle of inclination of the transverse screws ie the screwing-in angle, is preferably 30 ° and their arrangement with intersection in the joint area allows an almost direct transmission of the tensile forces by the transversal screws.
- the power flow through the wooden beam tab so steered that a significantly lower eccentricity of the force occurs.
- the bending moments in the wooden beam lug are significantly reduced. Due to the centering of the force flow, in the connection according to the invention, the lateral deflections relative to a dowel connection are also significantly reduced.
- the additional arrangement of rectangular screws introduced at right angles to the direction of force is useful not only for reasons of the split tensile reinforcement, but this screw arrangement also causes a high residual capacity of the cross section.
- the present invention relates to a rigid corner joint, consisting of two mitred, abutting, a sharp or an obtuse angle, in particular an angle of 90 ° enclosing wooden beams, in each of the wooden beams close to the joint parallel to the joint surface of the both carriers a full-threaded screw is screwed from the respective outer edge of the beam ago.
- a full-threaded screw is screwed from the respective outer edge of the beam ago.
- at least one full-threaded screw is screwed at an angle of approximately 67 ° to the wood fiber direction on the outer side of the corner joint in each of the two wooden beams, whose intersection point is in the joint plane.
- a full-threaded screw at an angle of 45 ° from the outside of at least one of the beams to the outside of the other beam to be screwed running. Furthermore, it may be expedient that, close to the inner edge of the wooden beams in each beam from the joint starting approximately parallel to the fiber longitudinal direction of the beam, a full-threaded screw is screwed into the beam.
- a tongue and groove connection 1 consists of two wooden beams 3, 4 lying one behind the other in the longitudinal direction X and abutting against one another at an abutment point 2. Below the joint 2, bridging these, a wooden beam tongue 6 is arranged adjacent to both wooden beams 3, 4. The wooden beams 3, 4 are connected to the wooden beam tongue 6 via mechanical connecting means 7, 8, 9. These mechanical connecting means 7, 8, 9 are designed as self-tapping full-thread screws. Such self-tapping full-thread screws used in accordance with the invention enable high screw-in depths without pre-drilling. Due to the existing full thread a power transmission over the entire screw length is possible.
- full thread screws 8 are provided according to the invention, which are screwed perpendicular to the surface of the wooden beams 3, 4.
- these full-thread screws 8 are on both sides of the joint 11 so screwed into the wooden beams 3, 4 that they end within the wooden bar plate 6, wherein also a leakage of these full-thread screws 8 is to be avoided from the wooden bar plate 6.
- the full-thread screws 8 are also arranged on each wooden beam 3, 4 in three consecutively arranged pairs of two adjacent full-threaded screws 8. The distance between the pairs of fully threaded screws 8 is equal to each other in the longitudinal direction of the wooden beams 3, 4.
- the assignment of the full-thread screws 8 to the full-thread screws 7 is such that starting from the joint 2, first a pair of full-thread screws 8 in each wooden beam 3, 4 is screwed.
- the full-length screws 7 extending obliquely to the longitudinal axis have a diameter of 8 mm and have a total length of 600 mm in length.
- the screwing distance between the individual full-thread screws 7 in the longitudinal direction is for example 17.6 cm.
- the mutual distance of the full-thread screws 8, which are screwed in perpendicular to the beam surface, is also 17.6 cm.
- the full-thread screws 8 have a diameter of 8 mm and a length of 300 mm.
- the cross section of the wooden beams 3, 4 and the wooden beam tab 6 has a width of 16 cm and a height of 16 cm.
- full-thread screws 9 are screwed in the tab abutment region perpendicular to the screw-in plane of the full-thread screws 7, 8 for splitting reinforcement. These full-thread screws 9 are each offset from each other screwed close to the beam and bar upper and lower edges. These full-thread screws 9 preferably have a length of 16 cm corresponding to the width of the wooden beams 3, 4 and the beam tab 6 and a diameter of 8 mm.
- a connection according to the invention is formed as a rigid corner for positive moment transfer according to the arrow Y.
- This corner joint consists of two mitred at a joint 12 adjacent wooden beams 13, 14, which enclose an angle of 90 °.
- a full-threaded screw 15 is parallel to the joint surface of the two beams 13, 14 of the outer side 17, 18 of the two beams 13, 14 screwed.
- These full-thread screws 15 serve to absorb transverse tensile forces occurring parallel to the abutment surfaces on train.
- On the outside of the corner joint in each of the wooden beams 13, 14 are each a full-threaded screw 19, 20 screwed at an angle of 67 ° to the wood fiber longitudinal direction.
- the point of intersection of the two full-thread screws 19, 20 lies in particular in the joint 12.
- These full-thread screws 19, 20 are loaded under pressure.
- the pressure contact point is specified in the corner connection according to the invention and the full-thread screws 19, 20 form the load path for the stiffening.
- a full-threaded screw 21 is screwed at an angle of 45 ° to the fiber direction from the outside of the respective beam 13, 14, which ends immediately in front of the outside of the other beam 14, 13.
- These full-thread screws 19 absorb the tensile stress occurring in the area and thus form an abutment for the tensile forces, so that the rigid corner is held together in this area.
- a full-threaded screw 21a is drilled at an angle of 45 ° to the fiber longitudinal direction, which receives pressure forces in this load case.
- two parallel full-thread screws 19a, 20a are screwed in each of the wooden beams 13, 14, here serve for optimal tensile force distribution.
- Parallel to the abutment surface of the two beams 13, 14 are screwed from the inside of the corner connection fro full thread screws 15a, which serve in this case to absorb pressure forces in this area.
- the inventive arrangement of the full-thread screws in particular the load path for the pressure transmission is specified, ie in particular by the full-thread screws 19a, 20a and 15a, a compression force enhancement is effected.
- the cross-sectional dimensions of the beams 13, 14 in the bending corner according to the invention have a dimension of 14 x 36 cm and the course of the individual full-thread screws is such that they do not emerge at their opposite end of the screw from the carriers in the screwed state and as close to the Surface of the respective bar ends.
- Preferably, 8 mm diameter screws are used.
- the screws 21 are formed Gewindestangenrise and have a diameter of 16 mm.
- the present invention is not limited to the exemplary embodiments shown, but also encompasses all means which have the same effect in the context of the invention. Due to the arrangement according to the invention, the screws are essentially applied according to the frictional connection, so that they are predominantly normal force.
- the butt joints according to the invention are significantly more resilient than comparable traditional types of connection. The forces are removed under significantly lower deformations, in particular, the permanent deformation due to the connecting means greatly reduced become. In addition, a much easier manufacturability results with less material and labor.
- the invention has hitherto not been limited to the feature combination defined in the / each independent claim, but may also be defined by any other combination of particular features of all the individual features disclosed overall. This means that in principle virtually every individual feature of the independent claim can be omitted or replaced by at least one individual feature disclosed elsewhere in the application. In this respect, the claims are to be understood merely as a first formulation attempt for an invention.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Wood Science & Technology (AREA)
- Joining Of Building Structures In Genera (AREA)
- Laminated Bodies (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Golf Clubs (AREA)
- Rod-Shaped Construction Members (AREA)
- Connection Of Plates (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10169977.5A EP2239386B1 (fr) | 2008-02-26 | 2009-02-26 | Liaison pour structures de poutres en bois |
| PL09153705T PL2096217T3 (pl) | 2008-02-26 | 2009-02-26 | Połączenie konstrukcji z belek drewnianych |
| PL10169977T PL2239386T3 (pl) | 2008-02-26 | 2009-02-26 | Połączenie konstrukcji z belek drewnianych |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202008002697U DE202008002697U1 (de) | 2008-02-26 | 2008-02-26 | Verbindung für Holzbalkenkonstruktionen |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10169977.5A Division EP2239386B1 (fr) | 2008-02-26 | 2009-02-26 | Liaison pour structures de poutres en bois |
| EP10169977.5 Division-Into | 2010-07-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2096217A1 true EP2096217A1 (fr) | 2009-09-02 |
| EP2096217B1 EP2096217B1 (fr) | 2011-04-13 |
Family
ID=40577650
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10169977.5A Active EP2239386B1 (fr) | 2008-02-26 | 2009-02-26 | Liaison pour structures de poutres en bois |
| EP09153705A Active EP2096217B1 (fr) | 2008-02-26 | 2009-02-26 | Liaison pour structures de poutres en bois |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10169977.5A Active EP2239386B1 (fr) | 2008-02-26 | 2009-02-26 | Liaison pour structures de poutres en bois |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP2239386B1 (fr) |
| AT (1) | ATE505598T1 (fr) |
| DE (2) | DE202008002697U1 (fr) |
| PL (2) | PL2096217T3 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT511317B1 (de) * | 2011-03-21 | 2013-09-15 | Wolf Modul Gmbh | Balken aus holz mit schräg gestellten schrauben |
| SE537689C2 (sv) * | 2013-12-12 | 2015-09-29 | Martinson Group Ab | Knutpunkt mellan konstruktionselement av trä samt fackverk |
| CN112696057B (zh) * | 2020-12-18 | 2022-02-08 | 重庆建工住宅建设有限公司 | 一种整体装配式卫浴结构 |
| CN113089834B (zh) * | 2021-04-23 | 2024-10-22 | 中国建筑西南设计研究院有限公司 | 一种可抵抗弯矩的木结构构件接长节点 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3328056A (en) * | 1965-07-23 | 1967-06-27 | Timberweld Mfg | Bracket and tension means for a haunch joint |
| DE8808077U1 (de) * | 1988-06-23 | 1988-10-06 | Reinhardt, Walter, 7293 Pfalzgrafenweiler | Verbindung für Holzbalken oder Holzrahmen |
| GB2213900A (en) * | 1987-12-24 | 1989-08-23 | Bernard Charles Rump | A method of making a frame |
| WO1998057005A1 (fr) * | 1997-06-09 | 1998-12-17 | Sfs Industrie Holding Ag | Panne de couplage constituee de deux ou plusieurs poutres en bois jointes l'une a l'autre par chevauchement longitudinal, ainsi qu'element de fixation pour relier deux zones d'extremite se chevauchant de poutres en bois a utiliser pour une panne de couplage |
| EP0918164A1 (fr) * | 1997-11-20 | 1999-05-26 | Meyer Liestal AG | Vis de réglage |
| DE29802951U1 (de) * | 1998-02-20 | 1999-06-24 | MiTek Industries GmbH, 63128 Dietzenbach | Verbindungseinrichtung |
| DE29805784U1 (de) * | 1998-03-30 | 1999-08-05 | Sfs Industrie Holding Ag, Heerbrugg | Schraube zur Befestigung von Latten aus Holz auf einem Dach- oder Wandunterbau |
| DE20003705U1 (de) * | 2000-02-29 | 2001-07-12 | Sfs Industrie Holding Ag, Heerbrugg | Verbindung von zwei zumindest annähernd rechtwinklig aneinander anschließenden Holzbalken |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2796642A (en) * | 1954-09-27 | 1957-06-25 | Timber Structures Inc | Rigid arch joiner |
-
2008
- 2008-02-26 DE DE202008002697U patent/DE202008002697U1/de not_active Expired - Lifetime
-
2009
- 2009-02-26 EP EP10169977.5A patent/EP2239386B1/fr active Active
- 2009-02-26 PL PL09153705T patent/PL2096217T3/pl unknown
- 2009-02-26 EP EP09153705A patent/EP2096217B1/fr active Active
- 2009-02-26 AT AT09153705T patent/ATE505598T1/de active
- 2009-02-26 PL PL10169977T patent/PL2239386T3/pl unknown
- 2009-02-26 DE DE502009000515T patent/DE502009000515D1/de active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3328056A (en) * | 1965-07-23 | 1967-06-27 | Timberweld Mfg | Bracket and tension means for a haunch joint |
| GB2213900A (en) * | 1987-12-24 | 1989-08-23 | Bernard Charles Rump | A method of making a frame |
| DE8808077U1 (de) * | 1988-06-23 | 1988-10-06 | Reinhardt, Walter, 7293 Pfalzgrafenweiler | Verbindung für Holzbalken oder Holzrahmen |
| WO1998057005A1 (fr) * | 1997-06-09 | 1998-12-17 | Sfs Industrie Holding Ag | Panne de couplage constituee de deux ou plusieurs poutres en bois jointes l'une a l'autre par chevauchement longitudinal, ainsi qu'element de fixation pour relier deux zones d'extremite se chevauchant de poutres en bois a utiliser pour une panne de couplage |
| EP0918164A1 (fr) * | 1997-11-20 | 1999-05-26 | Meyer Liestal AG | Vis de réglage |
| DE29802951U1 (de) * | 1998-02-20 | 1999-06-24 | MiTek Industries GmbH, 63128 Dietzenbach | Verbindungseinrichtung |
| DE29805784U1 (de) * | 1998-03-30 | 1999-08-05 | Sfs Industrie Holding Ag, Heerbrugg | Schraube zur Befestigung von Latten aus Holz auf einem Dach- oder Wandunterbau |
| DE20003705U1 (de) * | 2000-02-29 | 2001-07-12 | Sfs Industrie Holding Ag, Heerbrugg | Verbindung von zwei zumindest annähernd rechtwinklig aneinander anschließenden Holzbalken |
Non-Patent Citations (1)
| Title |
|---|
| BAUEN MIT HOLZ, vol. 105, 2003, pages 28 - 36 |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE505598T1 (de) | 2011-04-15 |
| PL2239386T3 (pl) | 2014-10-31 |
| EP2239386B1 (fr) | 2014-05-07 |
| EP2096217B1 (fr) | 2011-04-13 |
| PL2096217T3 (pl) | 2011-11-30 |
| EP2239386A2 (fr) | 2010-10-13 |
| DE202008002697U1 (de) | 2009-07-02 |
| EP2239386A3 (fr) | 2011-11-30 |
| DE502009000515D1 (de) | 2011-05-26 |
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