CN113175084A - Wood structure assembled self-tapping screw and bolt combination node - Google Patents
Wood structure assembled self-tapping screw and bolt combination node Download PDFInfo
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- CN113175084A CN113175084A CN202110361286.6A CN202110361286A CN113175084A CN 113175084 A CN113175084 A CN 113175084A CN 202110361286 A CN202110361286 A CN 202110361286A CN 113175084 A CN113175084 A CN 113175084A
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- bolt
- metal connecting
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 92
- 239000002023 wood Substances 0.000 title claims abstract description 91
- 239000002184 metal Substances 0.000 claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000010276 construction Methods 0.000 abstract description 7
- 239000000945 filler Substances 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
-
- 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
- E04B2001/2652—Details of nailing, screwing, or bolting
-
- 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
- E04B2001/2676—Connector nodes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to a wood structure assembly type self-tapping screw and bolt combined node which is characterized by comprising a first wood member (1), a second wood member (2), a metal connecting piece (3), a bolt (4) and a self-tapping screw (5), wherein one surface of the metal connecting piece (3) is connected with the second wood member (2) through the bolt (4), the other surface of the metal connecting piece is connected with the first wood member (1) through the self-tapping screw (5), and the first wood member (1) and the second wood member (2) are connected with each other through the metal connecting piece (3). Compared with the prior art, the wood member in the joint does not need to be grooved, additionally provided with a steel filler plate and the like, the joint has the advantages of convenience in construction, simplicity, effectiveness and the like, and meanwhile, the self-tapping screw is obliquely driven in, so that the joint is prevented from being pulled out and damaged to a certain extent, the bearing capacity is improved, the joint is prevented from being damaged, and the stability of the joint is improved.
Description
Technical Field
The invention relates to the technical field of civil construction engineering, in particular to a wood structure assembly type self-tapping screw and bolt combined node.
Background
Wood is a natural and highly compatible material, and is considered as the first choice building material for "green building", while modern wood structure is an "energy-saving, land-saving, ecological and environment-friendly" structural style. The node performance of the wood structure directly influences the structural strength, the service life and the reliability, and meanwhile, the wood has the defects of low tensile strength, easiness in splitting, strength change along with the water content and the like, so that the node enhancement is an important link of the wood structure building construction technology.
At present, the wood structure joint connection mostly adopts steel clamping plate connection, hidden steel plate connection or bar planting joint connection, and the joint connection mode has many defects. If the bolts are difficult to insert in the steel clamping plate connection and the hidden steel plate connection, the cross grain cracking phenomenon easily occurs to the joint, the spot gluing and maintenance are needed for the connection of the embedded steel bar joint, the strength is not easy to guarantee, and a hand foot rest needs to be occupied for a long time, so that the construction period is longer.
In the prior art, for example, chinese utility model patent CN 209670091U discloses a self-tapping screw oblique connection wood structure beam column node, which comprises a transverse wood beam and a vertical wood column, wherein the vertical wood column is located between the two transverse wood beams, a pin is vertically inserted into the center of the contact position between the two transverse wood beams and the vertical wood column, the two transverse wood beams and the vertical wood column are fixedly connected through a plurality of self-tapping screws, and the angles of the self-tapping screws and the screw driving angles are all inclined to the surface of the transverse wood beam; the angle steel grooves on the two transverse wood beams are connected with the angle steel grooves on the vertical wood columns through angle steel. However, in the utility model, the self tapping screw lug connection vertical post and horizontal even roof beam, the atress is great and take place easily to cut and destroy, and the self tapping screw is located the component side, and is great to the component outward appearance influence. Furthermore, the node is only suitable for plane wooden frame members, but not for three-dimensional frames in which wooden pillars are required to be connected with cross beams in the out-of-plane direction (perpendicular to two transverse wooden beams), and thus is difficult to apply in modern wooden structural systems.
Disclosure of Invention
The invention aims to provide a wood structure assembly type self-tapping screw and bolt combined node which has excellent shear resistance, bending resistance and pulling resistance and is convenient to construct.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a timber structure assembled self tapping screw and bolt combination node, includes first timber compoment, second component, metal connecting piece, bolt and self tapping screw, metal connecting piece's one side pass through the bolt and be connected with the second component, the another side passes through self tapping screw and is connected with first timber compoment, first timber compoment and second component pass through metal connecting piece interconnect. The bolt node is a common wood component connecting node in a heavy wood structure, the self-tapping screw can effectively inhibit cracking of wood grains, the node combining the bolt and the self-tapping screw can exert respective advantages, the bearing capacity is improved to a certain extent, and damage to wood is reduced.
Further, the first wood member and the second wood member are both of a cuboid structure and are vertically connected through a metal connecting piece.
Preferably, the metal connecting piece is made of a triangular steel plate welded on two sides of the angle steel. The triangular steel plates welded on the two sides of the angle steel can improve the strength of the angle steel and enhance the overall structural strength and stability of the metal connecting piece. When the metal connecting piece is arranged, operations such as grooving and the like are not needed for the laminated wood member, so that damage to the wood part is avoided, and the stability of the node is improved.
Preferably, the triangular steel plates welded on the two sides of the angle steel are parallel to each other and perpendicular to the angle steel. The angle steel can be Q345 steel, and the triangular steel plate can be Q235 steel. Two faces of the angle steel, the angle steel and the triangular steel plate are perpendicular to each other, so that the overall structure of the metal connecting piece is very stable.
The metal connecting piece and the second component are connected and are provided with bolt holes, and the first wood component is connected and are provided with self-tapping screw holes. One side of the angle steel of the metal connecting piece is tightly attached to the first wood component, a plurality of self-tapping screw holes are formed in the angle steel, the other side perpendicular to the angle steel is tightly attached to the second component, and a bolt hole is formed in the center of the angle steel.
The self-tapping screw obliquely penetrates through the metal connecting piece and is driven into the first wood member. Compared with the tapping screw which is vertically driven, the tapping screw which is obliquely driven at a certain angle has more excellent tensile shear performance because the axial bearing capacity of the tapping screw can be more fully exerted.
Preferably, the self-tapping screw is inclined towards the second member, and the inclination angle is 30-45 degrees. The self-tapping screw is arranged in an inclined mode, axial drawing force provided by the self-tapping screw can be fully utilized, the glued wood components are tightly connected through the metal connecting piece, bearing capacity of the node is improved, and stability of the node is enhanced.
Preferably, the self-tapping screws are arranged in 2-3 rows in parallel, each row is provided with 3-4 self-tapping screws, the length of each self-tapping screw is 25-30 cm, the diameter of each self-tapping screw is 8-12 mm, and the distance between the centers of every two adjacent self-tapping screws is 15-25 cm. When the self-tapping screws are arranged, the distance between the self-tapping screws needs to ensure the stability of the mechanical property of the glued wood components between the screws, and the screws cannot be too dense or too sparse. The self-tapping screw is arranged according to the mode, on one hand, the mechanical property of the glued wood member between the self-tapping screws is guaranteed, sufficient bearing capacity is provided, and on the other hand, actual construction and installation are facilitated.
The two metal connecting pieces are respectively and symmetrically arranged on two sides of the joint of the first wood member and the second wood member. The symmetrically arranged metal connecting pieces can further improve the stability of the connection and fixation of the first wood member and the second wood member.
And the second member is provided with a bolt through hole matched with the bolt, and the bolt vertically penetrates through the second member through the bolt through hole. The bolt model can be selected from M20, and the length is set according to the size of the second component.
The second member comprises a wood member or a concrete plate.
The invention is suitable for occasions such as the connection node of the glued wood beam column, the column base node of the glued wood column and the concrete bottom plate, and the like.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, through the matching arrangement of the self-tapping screw and the bolt, the excellent shearing resistance of the bolt and the excellent bending resistance and pulling resistance of the self-tapping screw are fully exerted, the structure is simple and effective, and the construction and installation are convenient;
2. according to the invention, through arrangement of the arrangement mode, the inclination angle and the like of the self-tapping screws, the drawing force of the self-tapping screws is fully utilized, the connection among components is tight, and the nodes are stable and reliable;
3. the invention avoids processing such as grooving and the like on the wood member, reduces the damage to the wood, and increases the stability of the node;
4. compared with the existing steel filling plate bolt node, the steel filling plate node is easy to generate cross grain splitting damage, in the self-tapping screw and bolt combined node adopted by the invention, force transmission is realized through the axial bonding force and the drawing force of the self-tapping screw, and the node form of the invention is more uniform in stress, so that the wood cannot generate great stress to generate splitting;
5. the wood member in the joint does not need to be grooved, additionally provided with steel filler plates and the like, the construction is convenient, simple and effective, and meanwhile, the self-tapping screws are obliquely driven in, so that the pulling damage is avoided to a certain extent, the bearing capacity is improved, the joint damage is avoided, and the stability of the joint is improved.
Drawings
FIG. 1 is a schematic front view of a wood-structure assembled self-tapping screw and bolt combination joint in example 1;
FIG. 2 is a schematic top view of the wood-structure assembled self-tapping screw and bolt assembly joint of example 1;
FIG. 3 is a schematic side view of the wood-structure assembled self-tapping screw and bolt assembly node in example 1;
FIG. 4 is a schematic three-dimensional structure of a metal connector;
FIG. 5 is a schematic view showing the connection of a metal connecting member with a bolt and a tapping screw in example 1;
FIG. 6 is a schematic three-dimensional structure of a wood-structure fabricated self-tapping screw and bolt assembly node according to example 1;
FIG. 7 is a front view schematically illustrating the structure of the wood-structure assembled self-tapping screw and bolt combination node in example 2;
FIG. 8 is a schematic top view showing the structure of a wood-structure fabricated self-tapping screw and bolt assembly joint according to example 2;
FIG. 9 is a schematic side view showing the structure of the wood-structure-fabricated self-tapping screw and bolt assembly node of example 2;
FIG. 10 is a schematic view showing the connection of a metal connecting member with a bolt and a tapping screw in example 2;
FIG. 11 is a schematic three-dimensional structure of a wood-structure fabricated self-tapping screw and bolt assembly node according to example 2;
in the figure: 1-first wood member, 2-second member, 3-metal connecting piece, 31-bolt hole, 32-self-tapping screw hole, 4-bolt, 5-self-tapping screw.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The following examples are carried out on the premise of the technical scheme of the invention, and detailed embodiments and specific operation processes are given, but the scope of the invention is not limited to the following examples.
Example 1
A wood structure assembled self-tapping screw and bolt combined beam-column joint is structurally shown in figures 1 to 6 and comprises a first wood member 1 and a second wood member 2 which are connected with each other, a metal connecting piece 3, a bolt 4 and a self-tapping screw 5 which are used for connecting the two members.
And welding the angle steel and the triangular steel plate to obtain the metal connecting piece 3, and drilling bolt holes 31 and self-tapping screw holes 32 in the corresponding positions of the angle steel to obtain the metal connecting piece 3.
Bolt through holes are drilled in the second component 2 at locations corresponding to the nodal areas.
The second member 2 is connected to the metal connector 3 by means of bolts 4, the bolts 4 being adapted to resist shearing.
The first wood member 1 is connected to the metal connecting member 3 by the self-tapping screw 5, and the self-tapping screw 5 is inclined toward the second wood member 2 and is driven into the first wood member 1 for bending resistance and pulling resistance.
On the upper and lower surfaces of the first wood member 1, metal connectors 3, bolts 4, and self-tapping screws 5 are symmetrically arranged.
Example 2
A wood structure assembled self-tapping screw and bolt combined beam-column joint is structurally shown in figures 7 to 11 and comprises a first wood member 1 and a second member 2 which are connected with each other and are composed of a concrete bottom plate, and a metal connecting piece 3, a bolt 4 and a self-tapping screw 5 which are used for connecting the first wood member 1 and the second member 2.
And a bolt through hole is reserved at the corresponding position of the node area on the second component 2.
The second member 2 is connected to the metal connector 3 by bolts 4 for shearing resistance.
The first wood member 1 is connected to the metal connecting member 3 by a tapping screw 5, and the tapping screw 5 is driven obliquely into the second wood member 2 for bending resistance and pulling resistance.
On both sides of the first wood member 1, metal connectors 3, bolts 4, and self-tapping screws 5 are symmetrically arranged.
Example 3
The utility model provides a timber construction assembled self tapping screw and bolt combination node, include first timber compoment 1 and second component 2 through 3 mutually perpendicular of two metal connecting pieces connect, first timber compoment 1 and second component 2 are the glued wood of cuboid structure, metal connecting piece 3 forms for the perpendicular welding triangle-shaped steel sheet preparation in angle steel both sides, the first timber compoment 1 of one side laminating of angle steel, and parallel arrangement has two rows of self tapping screw holes 32 on it, every row has four self tapping screw holes 32, rather than second component 2 of vertically another side laminating, a bolt hole 31 has been seted up on this face.
During assembly, the first wood member 1 and the second wood member 2 are vertically placed, the self-tapping screws 5 are obliquely penetrated through the self-tapping screw holes 32 in the metal connecting piece 3 and are driven into the first wood member 1, the self-tapping screws 5 are inclined towards the second wood member 2, the inclination angle is 45 degrees, the self-tapping screws 5 are parallel to each other, and the metal connecting piece 3 is tightly connected with the first wood member. The bolt 4 is sequentially inserted through the bolt hole 31 and the bolt through hole formed in the second member 2, so that the metal joint 3 is tightly connected with the second member 2. The metal connecting pieces 3 are symmetrically arranged on two sides of the first wood member 1, and are used for stably connecting the first wood member 1 with the second wood member 2.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides a timber structure assembled self tapping screw and bolt combination node, characterized in that, includes first timber compoment (1), second component (2), metal connecting piece (3), bolt (4) and self tapping screw (5), the one side of metal connecting piece (3) pass through bolt (4) and be connected with second component (2), the another side passes through self tapping screw (5) and is connected with first timber compoment (1), first timber compoment (1) and second component (2) pass through metal connecting piece (3) interconnect.
2. The wood-structure assembled self-tapping screw and bolt combined node as claimed in claim 1, wherein the first wood member (1) and the second wood member (2) are both rectangular parallelepiped structures, and the first wood member (1) and the second wood member (2) are vertically connected through a metal connecting piece (3).
3. The wood structure assembly type self-tapping screw and bolt combined node as claimed in claim 1, wherein the metal connecting member (3) is made of a triangular steel plate welded to two sides of an angle steel; the triangular steel plates welded on the two sides of the angle steel are parallel to each other and perpendicular to the angle steel.
4. A wood structure fabricated self-tapping screw and bolt combination node as defined in claim 1, wherein the metal connecting member (3) is provided with a bolt hole (31) at a joint with the second member (2), and a self-tapping screw hole (32) at a joint with the first wood member (1).
5. A wood structure fabricated self-tapping screw and bolt combination node as defined in claim 1, wherein the self-tapping screw (5) is obliquely inserted through the metal connecting member (3) and driven into the first wood member (1).
6. A wood-structure assembled self-tapping screw and bolt combination node according to claim 5, wherein the self-tapping screw (5) is inclined toward the second member (2) at an angle of 30-45 °.
7. A wood-structure assembled self-tapping screw and bolt combined node according to claim 1, wherein the self-tapping screws (5) are arranged in 2 to 3 rows of 3 to 4, the length of each self-tapping screw (5) is 25 to 30cm, the diameter of each self-tapping screw is 8 to 12mm, and the distance between the centers of two adjacent self-tapping screws (5) is 15 to 25 cm.
8. A wood structure fabricated self-tapping screw and bolt combination node as claimed in claim 1, wherein there are two metal connecting members (3) symmetrically disposed at both sides of the junction of the first wood member (1) and the second wood member (2).
9. The wood-structure assembled self-tapping screw and bolt combined node as claimed in claim 1, wherein the second member (2) is provided with a bolt through hole matched with the bolt (4), and the bolt (4) vertically penetrates through the second member (2) through the bolt through hole.
10. A wood-structure-fabricated self-tapping screw and bolt combination node as defined in claim 1, wherein said second member (2) comprises a wood member or a concrete member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110361286.6A CN113175084A (en) | 2021-04-02 | 2021-04-02 | Wood structure assembled self-tapping screw and bolt combination node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110361286.6A CN113175084A (en) | 2021-04-02 | 2021-04-02 | Wood structure assembled self-tapping screw and bolt combination node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113175084A true CN113175084A (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110361286.6A Pending CN113175084A (en) | 2021-04-02 | 2021-04-02 | Wood structure assembled self-tapping screw and bolt combination node |
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| CN (1) | CN113175084A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536484A (en) * | 2022-03-14 | 2022-05-27 | 南京林业大学 | Wood-nail-jointed laminated wood and preparation method and application thereof |
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|---|---|---|---|---|
| CN206784597U (en) * | 2017-04-27 | 2017-12-22 | 同济大学 | A kind of wooden frame post attachment structure |
| US20180371741A1 (en) * | 2015-12-02 | 2018-12-27 | Universitat Innsbruck | Connecting Device for Mounting a Wooden Construction Element |
| US20190382997A1 (en) * | 2017-02-24 | 2019-12-19 | Knapp Gmbh | Device for coupling two vertical components |
| CN210767228U (en) * | 2019-09-06 | 2020-06-16 | 上海建筑设计研究院有限公司 | Connection node between timber structure |
| CN112443042A (en) * | 2020-12-10 | 2021-03-05 | 舒展 | Long screw rod strenghthened type rigidity bending resistance veneer wood node |
| JP2021050513A (en) * | 2019-09-24 | 2021-04-01 | 大橋 好光 | Connecting metal fitting for building, manufacturing method of wooden building and wooden building |
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2021
- 2021-04-02 CN CN202110361286.6A patent/CN113175084A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180371741A1 (en) * | 2015-12-02 | 2018-12-27 | Universitat Innsbruck | Connecting Device for Mounting a Wooden Construction Element |
| US20190382997A1 (en) * | 2017-02-24 | 2019-12-19 | Knapp Gmbh | Device for coupling two vertical components |
| CN206784597U (en) * | 2017-04-27 | 2017-12-22 | 同济大学 | A kind of wooden frame post attachment structure |
| CN210767228U (en) * | 2019-09-06 | 2020-06-16 | 上海建筑设计研究院有限公司 | Connection node between timber structure |
| JP2021050513A (en) * | 2019-09-24 | 2021-04-01 | 大橋 好光 | Connecting metal fitting for building, manufacturing method of wooden building and wooden building |
| CN112443042A (en) * | 2020-12-10 | 2021-03-05 | 舒展 | Long screw rod strenghthened type rigidity bending resistance veneer wood node |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536484A (en) * | 2022-03-14 | 2022-05-27 | 南京林业大学 | Wood-nail-jointed laminated wood and preparation method and application thereof |
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Application publication date: 20210727 |
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