CN111962672A - Wood structure connecting joint for relieving stress concentration and construction method thereof - Google Patents
Wood structure connecting joint for relieving stress concentration and construction method thereof Download PDFInfo
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- CN111962672A CN111962672A CN202010822547.5A CN202010822547A CN111962672A CN 111962672 A CN111962672 A CN 111962672A CN 202010822547 A CN202010822547 A CN 202010822547A CN 111962672 A CN111962672 A CN 111962672A
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- wood
- stress concentration
- steel connecting
- steel
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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
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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
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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
- E04B2001/2644—Brackets, gussets or joining plates
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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
- E04B2001/2652—Details of nailing, screwing, or bolting
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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 provides a wood structure connecting node for relieving stress concentration and a construction method thereof, which relate to the technical field of building connection and comprise a glued wood beam, a steel connecting piece, a first connecting plate, a threaded sleeve, a second connecting plate and a fixing bolt; the construction method of the connection node for relieving stress concentration comprises the following steps: s1, after all parts are produced and processed in a factory, firstly connecting a glued wood beam and a steel connecting piece together through a plurality of fixing bolts; and S2, at a construction site where structural splicing is needed, sleeving two ends of a threaded sleeve on a screw rod of the steel connecting piece needing splicing, and adjusting the distance between the two steel connecting pieces by rotating the threaded sleeve. The invention provides a wood structure connecting node for relieving stress concentration and a construction method, which can adjust two wood members to be connected, so that the whole structure is more convenient to construct and more stable.
Description
Technical Field
The invention relates to the technical field of building connection, in particular to a wood structure connecting node for relieving stress concentration and a construction method thereof.
Background
The wood is a light-weight environment-friendly building material and is also an ancient structural form. Although reinforced concrete structures have been widely used, wood is not lost, but is widely used due to the reproducibility thereof, and particularly in recent years, along with the increasing importance of environmental protection, wood structures are receiving more and more attention from people, and even in some multi-story and high-rise wood structure buildings and large-span large-scale wood structures, the wood structures are continuously in the field of people.
With the development of engineered wood products and processing techniques, longer basic members such as super-long beams, columns, arches, etc. are commonly used in such large structures. However, due to the limitation of transportation conditions, such ultra-long members need to be manufactured in sections and assembled and connected into a whole after being transported to the site. Due to the inherent mechanical characteristics of wood, the wood is often the weakest place at a connecting node, so the design of the connecting node is particularly important in a wood structure, the connecting plate and a screw are usually used for fixing two pieces of wood together at the existing node connecting position, the connecting structure cannot be adjusted when encountering dimension errors of the wood, and cannot cope with dimension shrinkage or expansion of the wood caused by temperature, humidity and the like, so that the stress concentration of the node becomes a weak link of the whole structure.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a wood structure connecting node for relieving stress concentration and a construction method thereof, and solves the problems that the existing wood members are easy to have errors in connection, so that the stress concentration is caused, the construction quality and safety are influenced, and the construction is relatively troublesome.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a wood structure connecting node for relieving stress concentration comprises two laminated wood beams, two steel connecting pieces, two first connecting plates, four thread sleeves, two second connecting plates and four fixing bolts, wherein two slots are formed in the connecting ends of the laminated wood beams, a plurality of first fixing screw holes penetrating through the front end and the rear end are formed in beam bodies of the laminated wood beams, which are positioned on the front side and the rear side of the two slots, the steel connecting pieces comprise webs, two flanges, two vertical plates and reinforcing plates, the two flanges are respectively and fixedly connected to the upper end and the lower end of one side wall of the webs, the two vertical plates are fixedly connected to one side wall of the webs, which is far away from the flanges, the upper end and the lower end of each reinforcing plate are respectively and fixedly connected to the upper end and the lower end of the two flanges, the inner sides of the reinforcing plates are fixedly connected to the side walls of the webs, four screw rods, the two vertical plates are respectively inserted into the inner ends of the two slots of the laminated wood beam, the two ends of the thread sleeves are respectively in thread sleeve joint with the two ends of the four fixing bolts relative to the two steel connecting pieces, the two ends of the first connecting plate are respectively welded on the side wall of one side opposite to the flange, and the two sides of the second connecting plate are respectively fixedly connected with the front side and the rear side of the two opposite web side walls.
Preferably, the slot is a rectangular slot, and the size and the position of the slot body correspond to the two vertical plates of the steel connecting piece.
Preferably, a plurality of second fixing screw holes are formed in the plate bodies of the two vertical plates, and the second fixing screw holes correspond to the first fixing screw holes in position.
Preferably, the laminated wood beam and the vertical plate are fixedly connected through a plurality of fixing bolts, and the fixing bolts sequentially penetrate through the first fixing screw holes in the laminated wood beam and the second fixing screw holes corresponding to the first fixing screw holes in the vertical plate.
Preferably, the web, the flange, the vertical plate and the reinforcing plate are made of steel materials and are fixedly welded.
A construction method of a wood structure connecting node for relieving stress concentration comprises the following steps:
s1, after all parts are produced and processed in a factory, firstly connecting a glued wood beam and a steel connecting piece together through a plurality of fixing bolts;
s2, at a construction site where structural splicing is needed, sleeving two ends of a threaded sleeve on a screw rod of a steel connecting piece to be spliced, and adjusting the distance between the two steel connecting pieces by rotating the threaded sleeve;
and S3, after the distance between the two steel connecting pieces is determined, fixedly welding the two sides of the two first connecting plates and the outer sides of the flanges of the two steel connecting pieces together, and fixedly welding the two second connecting plates and the webs of the two steel connecting pieces together.
Preferably, when the middle laminated wood beam and the steel connector in step S1 are connected, the two vertical plates of the steel connector are inserted into the two slots at the inner end of the laminated wood beam, and then the fixing bolts sequentially pass through the first fixing screw holes and the second fixing screw holes.
Preferably, the welding manner in step S3 is fillet welding.
Use of a wood structural connecting node for stress concentration mitigation according to one of the preceding claims in a wood building structure.
(III) advantageous effects
The invention provides a wood structure connecting node for relieving stress concentration and a construction method thereof. The method has the following beneficial effects:
1. compared with the prior art, the threaded sleeve designed in the invention can be connected with the screw rods of the two steel connecting pieces, and the distance between the two steel connecting pieces can be adjusted, so that the threaded sleeve is very convenient to connect when facing wood with dimensional errors during field construction.
2. Compared with the prior art, the connecting plate designed by the invention is made of flexible steel, and can deform along with the expansion and contraction deformation of wood due to various reasons, so that stress concentration is effectively avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention after the connection is completed;
FIG. 3 is an internal view of the present invention with the connection completed;
FIG. 4 is a top view of the structure of the present invention;
figure 5 is a schematic view of a steel connection according to the invention.
Wherein, 1, gluing a wood beam; 2. a steel connector; 3. a screw; 4. a first connecting plate; 5. a threaded sleeve; 6. a second connecting plate; 7. a first fixing screw hole; 8. a second fixing screw hole; 9. fixing the bolt; 10. a slot; 201. a web; 202. a flange; 203. a vertical plate; 204. and a reinforcing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-5, the embodiment of the present invention provides a wood structure connection node for relieving stress concentration, which includes two glued wood beams 1, two steel connectors 2, two first connection plates 4, four thread sleeves 5, two second connection plates 6, and four fixing bolts 9, when in installation, the two glued wood beams 1 and the two steel connectors 2 are symmetrically arranged and maintained on the same axis, two slots 10 are formed inside the connection end of the glued wood beam 1, a plurality of first fixing screw holes 7 penetrating through the front and rear ends are formed on the beam body of the glued wood beam 1 at the front and rear sides of the two slots 10, the steel connectors 2 include a web 201, two flanges 202, two risers 203, and a reinforcing plate 204, the two flanges 202 are respectively and fixedly connected to the upper and lower ends of a side wall of the web 201, the two risers 203 are fixedly connected to a side wall of the web 201 far from the flanges 202, the upper and lower both ends of gusset plate 204 are fixed connection respectively at the upper and lower both ends face of two flanges 202, and inboard fixed connection of gusset plate 204 is on the lateral wall of web 201, the lateral wall that web 201 kept away from riser 203 is close to upper and lower both ends department and is fixed four screw rods 3 that are provided with respectively, two riser 203 insert two slots 10 of embedding glued wood beam 1 respectively the inner, the both ends of four thread bush 5 are respectively the both ends of screw-thread bush at two relative fixing bolt 9 of steel connecting piece 2, can adjust the distance between two steel connecting pieces 2 through rotating thread bush 5, thereby easy to assemble, the both ends of two first connecting plates 4 are welded respectively on the lateral wall of the relative one side of flange 202, the both sides of two second connecting plates 6 are fixed connection respectively in the front and back both sides of two relative lateral walls. The second connecting plate 6 is made of flexible steel, has good ductility, and can deform along with expansion and contraction of wood due to temperature or humidity.
The slot 10 is set to be a rectangular slot, the size of the slot body and the position of the slot body are both corresponding to two vertical plates 203 of the steel connecting piece 2, the design can ensure that the two vertical plates 203 can be just clamped in the slot 10, the attractiveness and the stability are ensured, a plurality of second fixing screw holes 8 are formed in the plate bodies of the two vertical plates 203, the second fixing screw holes 8 correspond to the first fixing screw holes 7 in position size, the glued wood beam 1 is fixedly connected with the vertical plates 203 through a plurality of fixing bolts 9, the fixing bolts 9 sequentially penetrate through the first fixing screw holes 7 in the glued wood beam 1 and the second fixing screw holes 8 in the vertical plates 204 corresponding to the first fixing screw holes, the steel connecting piece 2 is connected with the glued wood beam 1 into a whole through the plurality of fixing bolts 9, any shaking cannot be generated, the connection stability is ensured, and the web 201, the flange 202, the vertical plates 203 and the reinforcing plates 204 are made of steel, The flange 202, the vertical plate 203 and the reinforcing plate 204 are fixedly welded.
The embodiment of the invention provides a construction method of a wood structure connecting node for relieving stress concentration, which comprises the following steps:
s1, after all parts are produced and processed in a factory, firstly connecting a laminated wood beam 1 and a steel connecting piece 2 together through a plurality of fixing bolts 9, firstly inserting two vertical plates 203 of the steel connecting piece 2 into two slots 10 at the inner end of the laminated wood beam 1, and then sequentially penetrating through a first fixing screw hole 7 and a second fixing screw hole 8 by using the fixing bolts 9 to enable the laminated wood beam 1 and the steel connecting piece 2 to be connected into a whole;
s2, on a construction site needing structural splicing, oppositely placing two connected glued wood beams 1 on the same axis, respectively sleeving two ends of four threaded sleeves 5 on two ends of four opposite screw rods 3 of steel connecting pieces 2 needing splicing, and adjusting the distance between the two steel connecting pieces 2 by rotating the threaded sleeves 5;
s3, after the distance between the two steel connecting pieces 2 is determined, the two sides of the two first connecting plates 4 are fixedly welded with the outer sides of the flanges 202 of the two steel connecting pieces 2, the two second connecting plates 6 are fixedly welded with the webs 201 of the two steel connecting pieces 2, fillet welds are adopted during welding, the two steel connecting pieces 2, the two first connecting plates 4 and the two second connecting plates 6 are connected into a sealed whole, and the screw rods 3 and the thread sleeves 5 are protected at the inner ends.
The connecting node for relieving stress concentration can be widely applied to various wood building structures.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an alleviate stress concentration's timber structure connected node, includes two veneer timber roof beams (1), two steel connecting pieces (2), two first connecting plates (4), four thread bush (5), two second connecting plates (6), four fixing bolt (9), its characterized in that: two slots (10) are formed in the connecting end of the laminated wood beam (1), a plurality of first fixing screw holes (7) which penetrate through the front end and the rear end of the beam body are formed in the laminated wood beam (1) which is positioned on the front side and the rear side of the two slots (10), the steel connecting piece (2) comprises a web (201), two flanges (202), two vertical plates (203) and a reinforcing plate (204), the two flanges (202) are fixedly connected to the upper end and the lower end of one side wall of the web (201) respectively, the two vertical plates (203) are fixedly connected to one side wall of the web (201) far away from the flanges (202), the upper end and the lower end of the reinforcing plate (204) are fixedly connected to the upper end and the lower end faces of the two flanges (202) respectively, the inner side of the reinforcing plate (204) is fixedly connected to the side wall of the web (201), the side wall of the web (201) far away from the vertical plates, two slots (10) of inlaying glued wood roof beam (1) are inserted respectively to two risers (203) the inner, four the both ends of thread bush (5) are the both ends of screw-thread socket joint at four relative fixing bolt (9) of two steel connecting piece (2) respectively, two the both ends of first connecting plate (4) are welded respectively on the lateral wall of the relative one side on edge of a wing (202), two the both sides of second connecting plate (6) are both sides around two webs (201) relative lateral wall fixed connection respectively.
2. A stress concentration relieving wood structural connection node according to claim 1, wherein: the slot (10) is arranged to be a rectangular slot, and the size and the position of the slot body correspond to the two vertical plates (203) of the steel connecting piece (2).
3. A stress concentration relieving wood structural connection node according to claim 1 or 2, wherein: the plate body of the two vertical plates (203) is provided with a plurality of second fixing screw holes (8), and the second fixing screw holes (8) correspond to the first fixing screw holes (7).
4. A stress concentration relieving wood structural connection node according to claim 1 or 2, wherein: through many fixing bolt (9) fixed connection between glued wood roof beam (1) and riser (203), fixing bolt (9) run through in proper order on first fixed screw (7) and the riser (204) on glued wood roof beam (1) rather than the second fixed screw (8) that correspond.
5. A stress concentration relieving wood structural connection node according to claim 1 or 3, wherein: the web (201), the flange (202), the vertical plate (203) and the reinforcing plate (204) are all made of steel materials, and the web (201), the flange (202), the vertical plate (203) and the reinforcing plate (204) are fixedly welded.
6. A construction method of a stress concentration relieving connection node according to any one of claims 1 to 5, characterized by: the method comprises the following steps:
s1, after all parts are produced and processed in a factory, firstly connecting a glued wood beam (1) and a steel connecting piece (2) together through a plurality of fixing bolts (9);
s2, at a construction site where structural splicing is needed, sleeving two ends of a threaded sleeve (5) on a screw rod (3) of the steel connecting pieces (2) to be spliced, and adjusting the distance between the two steel connecting pieces (2) by rotating the threaded sleeve (5);
and S3, after the distance between the two steel connecting pieces (2) is determined, fixedly welding the two sides of the two first connecting plates (4) and the outer sides of the flanges (202) of the two steel connecting pieces (2), and fixedly welding the two second connecting plates (6) and the webs (201) of the two steel connecting pieces (2).
7. The construction method of the wood structure connection node for relieving stress concentration according to claim 4, wherein: when the middle glued wood beam (1) and the steel connecting piece (2) in the step S1 are connected, the two vertical plates (203) of the steel connecting piece (2) are inserted into the two slots (10) at the inner end of the glued wood beam (1), and then the fixing bolts (9) sequentially penetrate through the first fixing screw holes (7) and the second fixing screw holes (8).
8. The construction method of the wood structure connection node for relieving stress concentration according to claim 4, wherein: the welding mode in the step S3 is fillet welding.
9. Use of a stress concentration relieving wood structural connection node according to any one of claims 1 to 5 in a wood building structure.
Priority Applications (1)
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CN202010822547.5A CN111962672B (en) | 2020-08-14 | 2020-08-14 | Wood structure connecting joint for relieving stress concentration and construction method thereof |
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CN202010822547.5A CN111962672B (en) | 2020-08-14 | 2020-08-14 | Wood structure connecting joint for relieving stress concentration and construction method thereof |
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CN111962672A true CN111962672A (en) | 2020-11-20 |
CN111962672B CN111962672B (en) | 2021-12-24 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113047434A (en) * | 2021-04-20 | 2021-06-29 | 同济大学 | Glued wood beam extension node |
CN114703966A (en) * | 2022-03-23 | 2022-07-05 | 天津大学 | Cover plate-prestressed high-strength steel belt connection glued wood mortise and tenon joint type node |
CN116180983A (en) * | 2023-02-09 | 2023-05-30 | 中建八局西北建设有限公司 | Large-scale laminated wood structure and construction method of super-large-section laminated wood beam |
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JPH08246562A (en) * | 1995-03-07 | 1996-09-24 | Seiji Hosokawa | Lateral frame member junction structure of wooden structure, and its implement |
JPH0941488A (en) * | 1995-07-28 | 1997-02-10 | Sekisui House Ltd | Metallic joint for column base and sill in wooden framework |
JPH09177172A (en) * | 1995-12-28 | 1997-07-08 | Takenaka Komuten Co Ltd | Joint structure of glued laminated wood beam |
JP2000054488A (en) * | 1998-08-07 | 2000-02-22 | Tsuchiya Home Co Ltd | Structural material connecting metal fitting for wooden building and connecting method thereof |
JP2018154963A (en) * | 2017-03-15 | 2018-10-04 | 帝人株式会社 | Joint structure |
CN208650390U (en) * | 2018-05-30 | 2019-03-26 | 中国建筑第八工程局有限公司 | Connecting node that board plug type box beam is adjustable |
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2020
- 2020-08-14 CN CN202010822547.5A patent/CN111962672B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08246562A (en) * | 1995-03-07 | 1996-09-24 | Seiji Hosokawa | Lateral frame member junction structure of wooden structure, and its implement |
JPH0941488A (en) * | 1995-07-28 | 1997-02-10 | Sekisui House Ltd | Metallic joint for column base and sill in wooden framework |
JPH09177172A (en) * | 1995-12-28 | 1997-07-08 | Takenaka Komuten Co Ltd | Joint structure of glued laminated wood beam |
JP2000054488A (en) * | 1998-08-07 | 2000-02-22 | Tsuchiya Home Co Ltd | Structural material connecting metal fitting for wooden building and connecting method thereof |
JP2018154963A (en) * | 2017-03-15 | 2018-10-04 | 帝人株式会社 | Joint structure |
CN208650390U (en) * | 2018-05-30 | 2019-03-26 | 中国建筑第八工程局有限公司 | Connecting node that board plug type box beam is adjustable |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113047434A (en) * | 2021-04-20 | 2021-06-29 | 同济大学 | Glued wood beam extension node |
CN114703966A (en) * | 2022-03-23 | 2022-07-05 | 天津大学 | Cover plate-prestressed high-strength steel belt connection glued wood mortise and tenon joint type node |
CN116180983A (en) * | 2023-02-09 | 2023-05-30 | 中建八局西北建设有限公司 | Large-scale laminated wood structure and construction method of super-large-section laminated wood beam |
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