CN112854599A - Steel-wood combined column - Google Patents
Steel-wood combined column Download PDFInfo
- Publication number
- CN112854599A CN112854599A CN202110258844.6A CN202110258844A CN112854599A CN 112854599 A CN112854599 A CN 112854599A CN 202110258844 A CN202110258844 A CN 202110258844A CN 112854599 A CN112854599 A CN 112854599A
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- China
- Prior art keywords
- steel
- column
- wood
- columns
- filling plate
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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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
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/36—Columns; Pillars; Struts of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials
Abstract
The invention discloses a steel-wood combined column, which comprises a steel column and wood columns, wherein the steel column comprises an upper steel column and at least two lower steel columns, the upper steel column is connected with the upper ends of all the wood columns through an upper connecting mechanism, the lower steel column is connected with the lower ends of all the wood columns through a lower connecting mechanism, the cross section is flexibly arranged, the steel column is used as a main stressed component, the wood columns provide lateral rigidity for the component, and the top load and the wind load of the column are transmitted to the lower steel column through reliable connection, so that the overall rigidity is increased, the superiority of steel and wood can be fully exerted, the stress performance of the structural component is optimized, new reference and new selection are provided for the design and application of a steel-wood combined structure, a new thought is provided for the development of an assembled steel-wood structure, and the popularization and application of the steel-wood structure can be better promoted.
Description
Technical Field
The invention relates to a steel-wood combined column.
Background
In the prior art, the steel-wood structure is a novel combined structure, steel and wood are green and environment-friendly materials, the steel and the wood are combined (spliced) in different modes, the performance advantages of the two materials are fully exerted, the deficiency is compensated, and the steel-wood combined structure can be better used for engineering practice.
From the research of the existing steel-wood composite column, the bearing capacity of the steel-wood composite column can be improved to a great extent. The steel-wood composite column generally has two combined modes, one mode is a steel-wood composite column, namely, the wood column is a main compression component, thin-wall steel is arranged on the periphery of the wood column, and the thin-wall steel is made into a steel ferrule to play a role in restraining wood. The wooden column is combined with the C-shaped cold-formed thin-walled steel, and the cold-formed thin-walled steel is prevented from buckling by filling the wooden column; the other type is a wood-clad steel combined column, namely, a steel column is used as a main compression component, wood is wrapped and restrained at the periphery, and the steel is prevented from being bent under compression, so that the lateral rigidity and the stability of the component are improved. However, in the above combination mode, the wood needs to be subjected to treatment such as splicing, planing and the like, the wood is required to be tightly attached to the steel (connected by using an adhesive, a bolt, a square screw or a wood screw and the like), and meanwhile, the steel and the wood are integrated along the whole length of the member, so that the self weight of the member is increased, the manufacturing cost of the material and the member is also increased, and the use of the adhesive is not beneficial to environmental protection.
Disclosure of Invention
The invention aims to provide a steel-wood combined column.
In order to solve the technical problems, the invention adopts the technical scheme that: the steel-wood combined column comprises a steel column and wood columns, wherein the steel column comprises an upper steel column and at least two lower steel columns, the upper steel column is connected with the upper ends of all the wood columns through an upper connecting mechanism, and the lower steel column is connected with the lower ends of all the wood columns through a lower connecting mechanism.
In some embodiments, an upper slot and a lower slot are respectively formed in an upper end portion and a lower end portion of each of the wood columns, the upper connection mechanism includes an upper steel filler plate inserted into the upper slot, an upper bolt used for fixedly mounting the upper steel filler plate on the wood column, the upper steel filler plate is connected with the upper steel column, the lower connection mechanism includes a lower steel filler plate inserted into the lower slot, and a lower bolt used for fixedly mounting the lower steel filler plate on the wood column, and the lower steel filler plate is connected with the lower steel column.
In some embodiments, the upper slot and the lower slot are respectively a straight slot, the upper steel filler plate and the lower steel filler plate are respectively filled in the corresponding upper slot and the lower slot, and longitudinal sides of the upper steel filler plate and the lower steel filler plate respectively extend out of the upper slot and the lower slot and are connected with the upper steel column and the lower steel column.
In some embodiments, each of the upper steel filling plate and the lower steel filling plate is fixedly connected to the wood column through the corresponding upper bolt and the corresponding lower bolt, the upper bolt and the lower bolt are stud bolts with gaskets at two end heads, and each of the upper bolt and the lower bolt is perpendicular to the upper steel filling plate and the lower steel filling plate, respectively.
In certain embodiments, the upper steel filler plate is welded to the upper steel columns and the lower steel filler plate is welded to the lower steel columns.
In some embodiments, the number of the wood columns is matched with the number of the edges of the cross sections of the upper steel column and the lower steel column respectively.
In some embodiments, the cross-sections of the upper steel columns and the lower steel columns are quadrilateral, and the number of the wood columns is four, and the four wood columns are uniformly distributed around the upper steel columns and the lower steel columns.
In some embodiments, the wood pillar is a log.
In some embodiments, the upper steel columns and the lower steel columns are cold-formed thin-walled steel tubes, and the height of the upper steel columns is 0.6-1m, and the height of the lower steel columns is 0.8-1.2 m.
In some embodiments, the steel-wood composite column further comprises a U-shaped steel member for enabling connection of the bottom of the wood column and/or the lower steel filler plate.
The scope of the present invention is not limited to the specific combinations of the above-described features, and other embodiments in which the above-described features or their equivalents are arbitrarily combined are also intended to be encompassed. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention provides a steel-wood combined column, which is flexible in section arrangement, a steel column is used as a main stressed component, a wood column provides lateral rigidity for the component, and column top load and wind load are transmitted to a lower steel column through reliable connection, so that the overall rigidity is increased, the superiority of steel and wood can be fully exerted, the stress performance of the structural component is optimized, new reference and new selection are provided for the design and application of a steel-wood combined structure, a new thought is provided for the development of an assembled steel-wood structure, and the popularization and application of the steel-wood structure can be better promoted.
Drawings
FIG. 1 is a schematic view of a steel-wood composite column;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
wherein, 11, steel columns are arranged; 12. a lower steel column; 2. a wood column; 31. steel filling plates are added; 32. screwing a bolt; 41. steel filling plates are arranged; 42. a lower bolt; 5. u shaped steel component.
Detailed Description
As shown in the figures, in the present embodiment, the steel-wood composite column includes a steel column and a wood column 2, the steel column includes an upper steel column 11 and a lower steel column 12, and materials are saved, the upper steel column 11 and the lower steel column 12 are respectively cold-formed thin-walled steel tubes, the height of the upper steel column 11 is 0.8m, the height of the lower steel column 12 is 1m, the cross sections of the upper steel column 11 and the lower steel column 12 are quadrilateral, the four wood columns 2 are uniformly distributed around the upper steel column 11 and the lower steel column 12, the wood column 2 is a log, and does not need to be processed on the surface, which not only saves the manufacturing cost, but also is environment-friendly and beautiful, and avoids landscape engineering with requirements on materials, and cold texture and touch feeling of all steel materials.
The upper steel column 11 is connected with the upper ends of all the wood columns 2 through an upper connecting mechanism, the lower steel column 12 is connected with the lower ends of all the wood columns 2 through a lower connecting mechanism, the effects of restraining and integrating are achieved, meanwhile, column top load and column body wind load are transmitted to the lower steel column through the wood columns, and due to the fact that the lower steel column is small in height, the steel column can be prevented from being damaged unstably too early, and steel strength can be fully exerted.
An upper slot and a lower slot are respectively arranged at the upper end part and the lower end part of each wood column 2, and the upper slot and the lower slot are respectively a linear slot.
The upper connecting mechanism comprises an upper steel filling plate 31 inserted into the upper slot, an upper bolt 32 used for fixedly mounting the upper steel filling plate 31 on the wood column 2, the lower connecting mechanism comprises a lower steel filling plate 41 inserted into the lower slot, and a lower bolt 42 used for fixedly mounting the lower steel filling plate 41 on the wood column 2, the upper steel filling plate 31 is filled in the upper slot, the longitudinal side edge of the upper steel filling plate 31 extends out of the upper slot and is welded with the upper steel column 11, the lower steel filling plate 41 is filled in the lower slot, the longitudinal side edge of the lower steel filling plate 41 extends out of the lower slot and is welded with the lower steel column 12, the connecting mode can also be bolt connection, and mutually matched clamping slots can also be arranged for insertion connection.
Each of the upper steel filling plate 31 and the lower steel filling plate 41 is fixedly connected to the wood column 2 through the corresponding upper bolt 32 and the corresponding lower bolt 42, the upper bolt 32 and the lower bolt 42 are stud threaded bolts with gaskets at the head parts of both ends, and each of the upper bolt 32 and the lower bolt 42 is perpendicular to the upper steel filling plate 31 and the lower steel filling plate 41.
The steel-wood combined column further comprises a U-shaped steel member 5 which is used for connecting the bottom of the wood column 2 with the lower steel filling plate 41, adhesive can be filled in gaps, the connecting mode can be welding connection and bolt connection, and clamping grooves matched with each other can be arranged to be connected in an inserted mode.
The steel-wood combined column section can be flexibly arranged, the overall rigidity of the combination of the steel column and the wood column is high, and the superiority of steel and wood can be fully exerted, so that the stress performance of the structural member is optimized, the steel column is used as a main stress member, the wood column provides lateral rigidity for the structural member, and simultaneously, the top load and the wind load of the column are transmitted to the lower steel column through reliable connection; the wood does not need special processing treatment, is quick to assemble, convenient to install, economical and applicable, can be used for vertical stress members with larger height, such as axial or eccentric stress columns, independent flagpoles, lighting lamp posts, advertising boards, flower stands and the like, and can also be used for reinforcing and repairing landscape structures or wood structures.
In a word, the single wood column has small specification and small height and is generally only used as a support of a light structure due to natural growth, anisotropic stress performance and low strength of wood, and the combined column can be used for vertical members with large height, expands the design and application of wood members, provides new reference and new selection for the design and application of a steel-wood combined structure, provides a new idea for the development of an assembled steel-wood structure and can better promote the popularization and application of the steel-wood structure.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a steel-wood composite column, includes steel column, timber pillar (2), its characterized in that: the steel columns comprise upper steel columns (11) and lower steel columns (12), the number of the wood columns (2) is at least two, the upper steel columns (11) are connected with the upper end portions of all the wood columns (2) through upper connecting mechanisms, and the lower steel columns (12) are connected with the lower end portions of all the wood columns (2) through lower connecting mechanisms.
2. The steel-wood composite column as claimed in claim 1, wherein: an upper slot and a lower slot are respectively formed in the upper end portion and the lower end portion of each wood column (2), the upper connecting mechanism comprises an upper steel filling plate (31) inserted into the upper slot, an upper bolt (32) used for fixedly mounting the upper steel filling plate (31) on the wood column (2), the upper steel filling plate (31) is connected with the upper steel column (11), the lower connecting mechanism comprises a lower steel filling plate (41) inserted into the lower slot, and a lower bolt (42) used for fixedly mounting the lower steel filling plate (41) on the wood column (2), and the lower steel filling plate (41) is connected with the lower steel column (12).
3. The steel-wood composite column as claimed in claim 2, wherein: the upper slot and the lower slot are respectively a straight slot, the upper steel filling plate (31) and the lower steel filling plate (41) are respectively filled in the corresponding upper slot and the lower slot, and the longitudinal sides of the upper steel filling plate (31) and the lower steel filling plate (41) respectively extend out of the upper slot and the lower slot and are connected with the upper steel column (11) and the lower steel column (12).
4. The steel-wood composite column as claimed in claim 2, wherein: each upper steel filling plate (31) and the lower steel filling plate (41) are respectively and correspondingly connected with the wooden column (2) through the upper bolt (32) and the lower bolt (42), the upper bolt (32) and the lower bolt (42) are stud threaded bolts with gaskets arranged at the head parts of two ends, and each upper bolt (32) and the lower bolt (42) are respectively perpendicular to the upper steel filling plate (31) and the lower steel filling plate (41).
5. The steel-wood composite column as claimed in claim 2, wherein: the upper steel filling plate (31) is welded with the upper steel column (11), and the lower steel filling plate (41) is welded with the lower steel column (12).
6. The steel-wood composite column as claimed in claim 1, wherein: the number of the wood columns (2) is matched with the number of the edges of the cross sections of the upper steel column (11) and the lower steel column (12) respectively.
7. The steel-wood composite column as claimed in claim 6, wherein: the cross sections of the upper steel column (11) and the lower steel column (12) are quadrilateral, and four wooden columns (2) are uniformly distributed around the upper steel column (11) and the lower steel column (12).
8. The steel-wood composite column as claimed in claim 1, wherein: the wood columns (2) are logs.
9. The steel-wood composite column as claimed in claim 1, wherein: the upper steel column (11) and the lower steel column (12) are respectively cold-formed thin-walled steel tubes, the height of the upper steel column (11) is 0.6-1m, and the height of the lower steel column (12) is 0.8-1.2 m.
10. The steel-wood composite column as claimed in claim 1, wherein: the steel-wood combined column further comprises a U-shaped steel member (5) which is used for connecting the bottom of the wood column (2) with/or the lower steel filling plate (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110258844.6A CN112854599A (en) | 2021-03-10 | 2021-03-10 | Steel-wood combined column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110258844.6A CN112854599A (en) | 2021-03-10 | 2021-03-10 | Steel-wood combined column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112854599A true CN112854599A (en) | 2021-05-28 |
Family
ID=75995223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110258844.6A Pending CN112854599A (en) | 2021-03-10 | 2021-03-10 | Steel-wood combined column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112854599A (en) |
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2021
- 2021-03-10 CN CN202110258844.6A patent/CN112854599A/en active Pending
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