CN111255071B - Clamping groove type steel-wood combined node and mounting method - Google Patents
Clamping groove type steel-wood combined node and mounting method Download PDFInfo
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- CN111255071B CN111255071B CN202010073450.9A CN202010073450A CN111255071B CN 111255071 B CN111255071 B CN 111255071B CN 202010073450 A CN202010073450 A CN 202010073450A CN 111255071 B CN111255071 B CN 111255071B
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- slot
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- 239000002023 wood Substances 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 124
- 239000010959 steel Substances 0.000 claims abstract description 124
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000003733 fiber-reinforced composite Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 6
- 238000009434 installation Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000011282 treatment Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004321 preservation Methods 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
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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
- E04B1/38—Connections for building structures in general
- E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
- E04B1/486—Shear dowels for 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
- 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
Abstract
The invention relates to the field of building construction, in particular to a clamping groove type steel-wood combined node and an installation method thereof. The node of the invention takes a steel member as a main body, greatly improves the strength and stability of the node, has definite force transmission path and is easy for theoretical calculation; the slot of the invention is designed with reserved space, thus improving the installation fault tolerance rate, reducing the construction requirement, all parts can be processed and produced in batches by factories, the installation is fully assembled in construction, the field installation process is simple, the slot is suitable for quick assembly type installation construction, and the slot has huge market in the assembled wood structure market.
Description
Technical Field
The invention relates to a building construction technology, in particular to a steel-wood combined node and an installation method thereof in the field of buildings.
Background
Along with the advocation of energy conservation in the modern building industry and the pursuit of people on the quality of life, the wood structure becomes a new development direction of the building industry and has huge development prospects. The building with the wood structure as the main body has the advantages of short construction period, strong earthquake resistance, environmental protection, heat preservation, energy conservation, strong durability and the like, and is more and more favored by people.
However, in the actual construction process of the existing wood structure building, because the cutting, grooving and other treatments are needed before the installation of the wood at the joints of the structure main body, the treatment precision requirement is high, the treatment time is long, and the problems of poor joint integrity, weakened wood mechanical property, lowered earthquake resistance and the like exist after the beam columns are connected.
Disclosure of Invention
The technical scheme of the invention can provide the clamping groove type steel-wood combined node aiming at the problems of beam-column nodes in the existing wood structure building.
In order to achieve the purpose, the clamping groove type steel-wood combined node comprises a square wood column, a wood beam and a beam-column connecting piece, wherein the beam-column connecting piece comprises a central steel pipe, a beam-end steel sleeve and an external free sleeve, the upper and lower adjacent wood columns are connected through the central steel pipe, and the wood beam is connected with the central steel pipe through the beam-end steel sleeve;
the steel plate is arranged in the central steel pipe body, the steel plate divides the interior of the central steel pipe into an upper part and a lower part which are respectively an upper central steel pipe and a lower central steel pipe, adjacent upper wood columns are inserted from the opening end of the upper central steel pipe, adjacent lower wood columns are inserted from the opening end of the lower central steel pipe, and the central steel pipe and the wood columns are fixed through a connecting piece; a positioning rod is arranged on the side surface of the upper central steel pipe, a connecting box body is arranged on the side surface of the lower central steel pipe, and a slot is formed in the connecting box body;
the wood beam is inserted from one end of the beam-end steel sleeve and is fixed through a connecting piece, an upper connecting plate is arranged on the top surface of the other end of the beam-end steel sleeve, a lower connecting plate is arranged on the bottom surface of the beam-end steel sleeve, the lower connecting plate is inserted into the slot, a strip-shaped hole is formed in the upper connecting plate, and the positioning rod penetrates through the strip-shaped hole and is fixed through a nut;
the external free sleeve comprises four node protective sleeves and side connecting plates which are integrally arranged, each node protective sleeve comprises an upper top cover and side plates on two sides, and the upper top cover and the two side plates form a cavity with an opening at the bottom end; the side plates of the adjacent node protective sleeves are connected through side connecting plates; the outer free sleeve is sleeved at the joint of the central steel pipe and the beam end steel sleeve.
The combined node takes the steel member as a main body, and compared with a wood building structure system in the prior art, the combined node greatly improves the strength and stability of the node, is clear in force transmission path and is easy for theoretical calculation. The steel plate is upper and lower two parts with central steel pipe inside interval, through the steel sheet contact integrative with central steel pipe between top post and the below post, and direct contact not, the vertical load of beam-ends transmission passes through the steel sheet by last post and transmits to down the post full-section on, has avoided stress concentration, has improved and has passed power security. The upper free sleeve part covers the central steel pipe in a certain outline, so that the integrity of the node can be enhanced, and the node is protected.
Preferably, the wood column is an FRP wood column, and the surface of the wood column is wound with a fiber reinforced composite material layer.
Preferably, the connecting piece is a wood screw, each side surface of the upper central steel pipe and each side surface of the lower central steel pipe are respectively provided with a central steel pipe bolt hole, the central steel pipe bolt holes in each side surface are distributed in a vertically staggered mode and are not arranged on the same horizontal plane, and weakening of wood performance due to the arrangement of bolt holes is reduced.
Preferably, after the lower connecting plate is inserted into the slot, the slot has a gap in the direction perpendicular to the wooden column, and the arrangement is to reduce the construction and installation requirements.
Preferably, the left side and the right side of the beam-end steel sleeve are provided with sleeve bolt holes, so that the beam-end steel sleeve is fixedly connected with the wood beam conveniently.
Preferably, the connecting pieces fixed between the central steel pipe and the wood column and the connecting pieces fixed between the wood beam and the steel sleeve at the beam end are all wood screws.
Preferably, the side connecting plate is L-shaped; the top cover on the upper part is in an inverted L shape, and the structural consistency is good on the whole after the steel-wood combined node is assembled.
The upper portion top cap housing makes the upper junction plate insert in the cavity of upper portion top cap outside the upper junction plate, and the curb plate is located the both sides of beam-ends steel casing pipe, can restrict rocking about the horizontal of wooden beam well, has improved the stability and the fastness of node.
The invention also aims to provide an installation method of the clamping groove type steel-wood combined node, which comprises the following steps:
the method comprises the following steps: inserting the lower wooden column (1) into the central steel pipe (3) and fixing the lower wooden column through a connecting piece;
step two: inserting the upper wooden column (1) into the central steel pipe (3);
step three: inserting the wood beam (2) into a steel sleeve (4) at the beam end and fixing the wood beam through a connecting piece;
step four: inserting a lower connecting plate (42) of the beam-end steel sleeve (4) into the slot (35), enabling the positioning rod (33) to penetrate through a strip-shaped hole (43) of the upper connecting plate (41), and screwing a nut for fixing;
step five: sleeving an external free sleeve (5) on the central steel pipe (3) to enable an upper connecting plate (41) to be inserted into a cavity of the upper top cover (53), and enabling side plates (54) to be located on two sides of a beam end steel sleeve (4);
step six: and fixing the upper wood column (1) and the central steel pipe (3) through a connecting piece to form a steel-wood combined node.
The invention has the following beneficial effects:
(1) the node of the invention takes a steel member as a main body, greatly improves the strength and stability of the node, has definite force transmission path and is easy for theoretical calculation;
(2) the slot of the invention is designed with a reserved space, thus improving the installation fault tolerance and reducing the construction requirement;
(3) all components of the invention can be produced in batches by factory processing, the number of components is small, the installation is fully assembled in construction, the field installation process is simple, the assembly is mainly carried out, only part of components need to be reinforced by bolts, the construction speed is high, the invention is suitable for quick assembly type installation construction, and the market of the assembly type wood structure has a huge market.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a central steel tube structure;
FIG. 3 is a top view of the center steel tube;
FIG. 4 is one of the schematic diagrams of a beam-end steel casing structure;
FIG. 5 is a second schematic view of a steel sleeve construction at the beam end;
FIG. 6 is a schematic view of an external free sleeve configuration;
FIG. 7 is a diagram of an installation step of the present invention;
wherein the figures include the following reference numerals: 1. a wood column; 2. a wood beam; 3. a central steel pipe; 31. a steel plate; 32. a central steel pipe bolt hole; 33. positioning a rod; 34. connecting the box body; 35. a slot; 36. an upper central steel pipe; 37. a lower central steel pipe; 4. steel sleeves at the beam ends; 41. an upper connecting plate; 42. a lower connecting plate; 43. a strip-shaped hole; 44. (ii) a A sleeve bolt hole; 5. an outer free sleeve; 51. a node protective sleeve; 52. a side connection plate; 53. an upper top cover; 54. side plates.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, the clamping groove type steel-wood combined node comprises a square wood column 1 and a wood beam 2, wherein the wood column is an FRP wood column, and FRP cloth is wound on the surface of the wood column to enhance the mechanical property of the wood column; the wooden beam is connected with the central steel pipe 3 through the beam end steel sleeve 4, and the external free sleeve 5 covers the connecting node of the central steel pipe 3 and the beam end steel sleeve 4.
As shown in fig. 2-3, a steel plate 31 is arranged inside the central steel tube 3, the steel plate 31 divides the inside of the central steel tube 3 into an upper part and a lower part, which are an upper central steel tube 36 and a lower central steel tube 37, respectively, a central steel tube bolt hole 32 is arranged on each side surface of the upper central steel tube 36 and the lower central steel tube 37, upper wood columns and lower wood columns are inserted from the upper end and the lower end of the central steel tube, respectively, and wood screws are driven into the bolt holes to fixedly connect the wood columns and the central steel tube; the upper bolt holes and the lower bolt holes are distributed in a staggered manner, so that the weakening of the performance of the wood due to the arrangement of the bolt holes is reduced; the upper part of the side surface of the central steel pipe is vertically fixed with a positioning rod 33, the lower part is fixed with a connecting box body 34, and the connecting box body is provided with a slot 35.
As shown in fig. 4-5, the beam-end steel sleeve 4 is a square structure, an upper connecting plate 41 is arranged on the top surface of one end, a lower connecting plate 42 is arranged on the bottom surface, sleeve bolt holes 44 are arranged on the left side and the right side, the wood beam is inserted from the other end of the beam-end steel sleeve, wood screws are driven into the bolt holes to connect and fix the wood beam and the beam-end steel sleeve, a strip-shaped hole 43 is arranged on the upper connecting plate, during installation, the lower connecting plate 42 is inserted into the slot 35, the positioning rod 33 penetrates through the strip-shaped hole 43, and then nuts are screwed on the positioning rod 33 for fixation.
After the lower connecting plate 42 is inserted into the slot 35, the slot 35 has a certain gap in the direction perpendicular to the wooden pole.
As shown in fig. 6, the outer free sleeve 5 is profiled over the central steel tube 3. The external free sleeve 5 comprises four node protective sleeves 51 and L-shaped side connecting plates 52, the node protective sleeves 51 are of a 'door' -shaped structure and comprise upper top covers 53 and side plates 54 on two sides, the side plates of the adjacent node protective sleeves are connected through the side connecting plates 52, the upper top covers 53 are of an inverted L-shaped structure, and a cavity is enclosed by the side plates 54. The inner dimension of the external free sleeve 5 is matched with the outer dimension of the central steel pipe 3, when the external free sleeve 5 is installed, the external free sleeve 5 is sleeved outside the central steel pipe 1, the upper top cover 53 covers the upper connecting plate 41, the upper connecting plate 41 is inserted into a cavity of the upper top cover, and the side plates 54 are positioned on two sides of the beam end steel sleeve 4.
The installation method of the clamping groove type steel-wood combined node comprises the following steps:
the first step is as follows: inserting the lower wood column into the central steel pipe and fixing the lower wood column through a wood screw;
the second step is that: inserting the upper wood column into the central steel pipe, and fixedly connecting the upper wood column and the central steel pipe without using wood screws, because the inner side size of the external free sleeve is matched with the peripheral size of the central steel pipe, if the wood screws are screwed, the upper free sleeve cannot be installed;
the third step: inserting the wood beam into the steel sleeve at the beam end and fixing the wood beam by wood screws
The fourth step: inserting a lower connecting plate of a beam-end steel sleeve into the slot, enabling the screw to penetrate through the strip-shaped hole of the upper connecting plate, and then screwing the nut on the screw for fixing;
the fifth step: sleeving an external free sleeve on the central steel pipe, inserting the upper connecting plate into the cavity of the upper top cover, and positioning the side plates at two sides of the steel sleeve at the beam end;
and a sixth step: and (4) driving a wood screw to fixedly connect the upper wood column with the central steel pipe.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and changes, for example, the present invention is not limited to the square structure of the wooden pillar and the wooden beam, and other shapes are possible. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A clamping groove type steel-wood combined node comprises square wood columns (1), wood beams (2) and beam-column connecting pieces, and is characterized in that each beam-column connecting piece comprises a central steel pipe (3), a beam-end steel sleeve (4) and an external free sleeve (5), wherein the vertically adjacent wood columns (1) are connected through the central steel pipe (3), and the wood beams (2) are connected with the central steel pipes (3) through the beam-end steel sleeves (4);
a steel plate (31) is arranged in the pipe body of the central steel pipe (3), the steel plate (31) divides the interior of the central steel pipe (3) into an upper part and a lower part which are respectively an upper central steel pipe (36) and a lower central steel pipe (37), the adjacent upper wooden columns (1) are inserted from the open ends of the upper central steel pipe (36), the adjacent lower wooden columns (1) are inserted from the open ends of the lower central steel pipe (37), and the central steel pipe (3) and the wooden columns (1) are fixed through a connecting piece; a positioning rod (33) is arranged on the side surface of the upper central steel pipe (36), a connecting box body (34) is arranged on the side surface of the lower central steel pipe (37), and a slot (35) is arranged on the connecting box body (34);
the wooden beam (2) is inserted from one end of the beam-end steel sleeve (4) and fixed through a connecting piece, an upper connecting plate (41) is arranged on the top surface of the other end of the beam-end steel sleeve (4), a lower connecting plate (42) is arranged on the bottom surface of the beam-end steel sleeve, the lower connecting plate (42) is inserted into the slot (35), a strip-shaped hole (43) is formed in the upper connecting plate (41), and the positioning rod (33) penetrates through the strip-shaped hole (43) and then is fixed through a nut;
the external free sleeve (5) comprises four node protective sleeves (51) and side connecting plates (52) which are integrally arranged, each node protective sleeve (51) comprises an upper top cover (53) and side plates (54) on two sides of the upper top cover (53), and the upper top cover (53) and the two side plates (54) enclose a cavity with an opening at the bottom end; the side plates (54) of the adjacent node protective sleeves (51) are connected through side connecting plates (52); the external free sleeve (5) is sleeved at the joint of the central steel pipe (3) and the beam end steel sleeve (4).
2. The slot-type steel-wood composite node according to claim 1, wherein the surface of the wood column (1) is wound with a fiber reinforced composite material layer.
3. The slot-type steel-wood composite node according to claim 1 or 2, wherein the central steel pipe bolt holes (32) are formed in each side surface of the upper central steel pipe (36) and the lower central steel pipe (37), and the central steel pipe bolt holes (32) in each side surface are distributed in a vertically staggered manner and are not arranged on a horizontal plane.
4. The clamping groove type steel-wood combined node as claimed in claim 3, wherein sleeve bolt holes (44) are formed in the left side surface and the right side surface of the beam-end steel sleeve (4).
5. The slot-type steel-wood combined node as claimed in claim 3, wherein the connecting pieces fixed between the central steel pipe (3) and the wood column (1) and the connecting pieces fixed between the wood beam (2) and the steel sleeve (4) at the beam end are all wood screws.
6. The slot-type steel-wood composite node as claimed in claim 3, wherein the slot (35) has a gap in a direction perpendicular to the wood column (1) after the lower connecting plate (42) is inserted into the slot (35).
7. The slot-type steel-wood composite node as claimed in claim 3, wherein the side connection plates (52) are L-shaped.
8. The slot-in steel-wood composite node as recited in claim 3, characterized in that the upper top cover (53) is inverted L-shaped.
9. The slot-type steel-wood combined node as claimed in claim 3, wherein the upper top cover (53) covers the upper connecting plate (41) so that the upper connecting plate (41) is inserted into the cavity of the upper top cover (53), and the side plates (54) are positioned at two sides of the steel sleeve (4) at the beam end.
10. The method for installing a snap-in steel-wood composite node as claimed in any one of claims 1 to 9, comprising the steps of:
the method comprises the following steps: inserting the lower wooden column (1) into the central steel pipe (3) and fixing the lower wooden column through a connecting piece;
step two: inserting the upper wooden column (1) into the central steel pipe (3);
step three: inserting the wood beam (2) into a steel sleeve (4) at the beam end and fixing the wood beam through a connecting piece;
step four: inserting a lower connecting plate (42) of the beam-end steel sleeve (4) into the slot (35), enabling the positioning rod (33) to penetrate through a strip-shaped hole (43) of the upper connecting plate (41), and screwing a nut for fixing;
step five: sleeving an external free sleeve (5) on the central steel pipe (3) to enable an upper connecting plate (41) to be inserted into a cavity of the upper top cover (53), and enabling side plates (54) to be located on two sides of a beam end steel sleeve (4);
step six: and fixing the upper wood column (1) and the central steel pipe (3) through a connecting piece to form a steel-wood combined node.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010073450.9A CN111255071B (en) | 2020-01-22 | 2020-01-22 | Clamping groove type steel-wood combined node and mounting method |
| PCT/CN2020/077446 WO2021147141A1 (en) | 2020-01-22 | 2020-03-02 | Steel-wood composite engagement slot joint and installation method therefor |
| JP2021007130A JP6892181B1 (en) | 2020-01-22 | 2021-01-20 | Fitted wood steel hybrid node and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010073450.9A CN111255071B (en) | 2020-01-22 | 2020-01-22 | Clamping groove type steel-wood combined node and mounting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111255071A CN111255071A (en) | 2020-06-09 |
| CN111255071B true CN111255071B (en) | 2021-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010073450.9A Active CN111255071B (en) | 2020-01-22 | 2020-01-22 | Clamping groove type steel-wood combined node and mounting method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6892181B1 (en) |
| CN (1) | CN111255071B (en) |
| WO (1) | WO2021147141A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196124B (en) * | 2020-10-09 | 2021-11-16 | 青岛理工大学 | Embedded lock type steel-wood combined joint |
| CN112359982B (en) * | 2020-10-19 | 2021-08-24 | 青岛理工大学 | Tenon-and-mortise square steel-wood assembly node and installation method |
| CN113293861A (en) * | 2021-05-11 | 2021-08-24 | 扬州大学 | Prefabricated assembly cup joint type steel-wood beam column joint |
| CN114197651A (en) * | 2021-12-24 | 2022-03-18 | 常州工学院 | Steel-wood combined node connected by steel sleeves |
| CN114197654B (en) * | 2021-12-29 | 2023-05-02 | 浙江华策工程设计建设集团有限公司 | Fixed knot of wooden roof beam and steel construction post constructs of ancient building |
| CN114197655B (en) * | 2021-12-29 | 2023-08-18 | 山东建筑大学工程鉴定加固研究院有限公司 | Bamboo-wood structure beam column node and method |
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| CN108678171A (en) * | 2018-06-11 | 2018-10-19 | 沈阳建筑大学 | Wooden frame column connection structure |
| CN209243925U (en) * | 2018-12-05 | 2019-08-13 | 太仓安博工业科技有限公司 | Heavy single hole right-angle connector and its mounting structure |
| CN110185160A (en) * | 2019-05-29 | 2019-08-30 | 长安大学 | A kind of compound concrete-filled tubular column and steel beam connecting joint and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111255071A (en) | 2020-06-09 |
| JP6892181B1 (en) | 2021-06-23 |
| JP2021116685A (en) | 2021-08-10 |
| WO2021147141A1 (en) | 2021-07-29 |
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