CN214575946U - Self-resetting steel-wood mixed column base applicable to circular wood column in high-rise wood structure - Google Patents

Self-resetting steel-wood mixed column base applicable to circular wood column in high-rise wood structure Download PDF

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Publication number
CN214575946U
CN214575946U CN202120169735.2U CN202120169735U CN214575946U CN 214575946 U CN214575946 U CN 214575946U CN 202120169735 U CN202120169735 U CN 202120169735U CN 214575946 U CN214575946 U CN 214575946U
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wood
end plate
column
circular
steel
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Expired - Fee Related
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CN202120169735.2U
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Chinese (zh)
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范敬贤
张延泰
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Nanjing Forestry University
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Nanjing Forestry University
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Abstract

The utility model provides a circular post is suitable for from mixed column base of restoration steel wood in high-rise timber structure, its characterized in that baffle (10), prestressing tendons (5), interior steel cylinder (9), outer iron sheet (8), upper end plate (3) and lower end plate (4) constitute the component part that has from the function of restoring to the throne, prestressing tendons (5) are fixed in upper end plate (3) and lower end plate (4) through reserving drilling (7) and by ground tackle (6), lower end plate (4) and anchor nail (13) welding and bury in concrete foundation (12), interior steel cylinder (9) are inserted to circular post (1) to pass inner tube opening hole (11) through the rivet and connect. The invention overcomes the defect that the bottom layer of the wood structure is laterally moved greatly under strong earthquake, realizes the self-resetting function of the circular wood column in the high-rise wood structure, reduces the lateral displacement and residual deformation of the wood structure under the action of earthquake, and can be suitable for the column foot node of the circular wood column in the high-rise wood structure and the heavy wood structure.

Description

Self-resetting steel-wood mixed column base applicable to circular wood column in high-rise wood structure
Technical Field
The invention relates to a self-resetting steel-wood mixed column base applicable to a circular wood column in a high-rise wood structure, which is applied to a building structure and belongs to the field of civil engineering.
Background
At present, the wood structure has the advantages of convenience in transportation, assembly, environmental friendliness and the like, and has extremely high application potential. In recent years, many high-rise residential and public timber structure buildings are built based on the continuous development and progress of engineering wood products.
In the wood structure, the wood columns are main vertical and lateral stress components and play an important role in internal force transmission. Along with the increase of the height of the wood structure, the requirements for the lateral stiffness and shear and bending resistance are improved, and the requirements cannot be met by the traditional single wood column form. In addition, under the action of strong shock, the wood structure usually has large lateral displacement and large residual displacement. In order to overcome the defects, the invention provides the self-resetting steel-wood mixed column base applicable to the circular wood column in the high-rise wood structure, on one hand, the material performance of steel is blended, and the lateral rigidity resistance and the vertical bearing capacity of the structure are improved; on the other hand, the restoring force provided by the initial pretensioning force of the prestressed tendons enables the structure to achieve the self-resetting effect, so that the anti-seismic performance of the column is improved, and the lateral displacement and the residual deformation under the earthquake are reduced.
Disclosure of Invention
The invention aims to provide a self-resetting steel-wood mixed column base applicable to a circular wood column in a high-rise wood structure, which meets the performance requirement of the high-rise wood structure on the wood column, improves the lateral rigidity and the vertical bearing capacity of the wood column, fully exerts the bearing capacity of the wood column and the energy consumption capacity in an earthquake, enables the structure to be closed again after being unloaded through the restoring force provided by the initial pre-tensioning force of a pre-stressed rib, achieves the self-resetting effect, improves the anti-seismic performance of the column, reduces the lateral displacement and the residual deformation under the earthquake, has the advantages of high bearing capacity, good ductility, good anti-seismic performance and the like, and can be suitable for column base nodes of the bottom circular wood column in the high-rise wood structure and the heavy wood structure.
The technical scheme of the invention is as follows: a self-resetting steel-wood mixed column base applicable to a round wood column in a high-rise wood structure comprises the round wood column, a notch, an upper end plate, a lower end plate, a prestressed tendon, an anchorage device, a reserved drilling hole, an outer iron sheet, an inner steel cylinder, a steel partition plate, an inner cylinder opening hole, an anchor nail and a concrete foundation; the partition plate, the prestressed tendons, the inner steel cylinder, the outer iron sheet, the upper end plate and the lower end plate form a component part with a self-resetting function; the prestressed tendons are fixed on the upper end plate and the lower end plate through reserved drill holes by anchors; the lower end plate is welded with the anchor and buried in the concrete foundation; the round wood columns are inserted into the inner steel cylinder and penetrate through the inner cylinder through rivets to be connected.
The prestressed tendons are distributed and arranged in an annular shape, and the upper anchorage devices are embedded in the notches of the round wood columns; the prestressed tendons are perpendicular to the upper end plate and the lower end plate.
The partition plate, the inner steel cylinder, the upper end plate and the lower end plate are connected through welding; the outer iron sheet is welded on the outer edges of the partition plate, the upper end plate and the lower end plate.
The upper end plate is flush with the lower end plate; the outer edge of the steel clapboard is flush with the outer edges of the upper end plate and the lower end plate; the inner cylinder is provided with holes, and the holes are arranged between adjacent partition plates at intervals in the circumferential direction and are vertically and uniformly distributed.
Compared with the prior art, the invention has the advantages and beneficial effects that:
1. in the member, the prestressed tendons play a role in applying prestress and provide restoring force for the columns in an earthquake, so that the structure achieves a resetting effect, can be closed again after being unloaded, and reduces the lateral displacement and residual deformation of the structure;
2. the round wood column and the steel component are connected into a whole through rivets, so that the integral lateral stiffness, shear resistance and bending resistance of the wood column are improved, the bearing capacity and energy consumption capacity of the column base node are increased, and the damage of an earthquake to a main structure is effectively reduced.
3. The column base is embedded, and does not additionally occupy the building area.
Description of the drawings:
FIG. 1 is a front view of a self-restoring steel-wood hybrid socle for a round wood column;
FIG. 2 is a cross-sectional view of a self-resetting steel-wood hybrid column base 1-1 for a round wood column;
FIG. 3 is a top view of a self-restoring steel-wood hybrid column base upper end plate suitable for a round wood column;
FIG. 4 is a top view of a self-resetting steel-wood hybrid column foot end plate suitable for a round wood column;
in the attached drawings 1-4, 1 is a round wood column; 2 is a notch; 3 is an upper end plate; 4 is a lower end plate; 5 is a prestressed tendon; 6 is an anchorage device; 7, reserving a drill hole; 8 is an outer iron sheet; 9 is an inner steel cylinder; 10 is a steel clapboard; 11, forming a hole in the inner barrel; 12 is a concrete foundation; 13 is an anchor bolt.
The specific implementation mode is as follows:
in order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
As shown in figures 1-4, the invention provides a self-resetting steel-wood mixed column base applicable to a circular wood column in a high-rise wood structure, which consists of a circular wood column 1, a notch 2, an upper end plate 3, a lower end plate 4, a prestressed tendon 5, an anchorage device 6, a reserved drilling hole 7, an outer iron sheet 8, an inner steel cylinder 9, a steel partition plate 10, an inner cylinder open hole 11, a concrete foundation 12 and an anchorage device 13, and is characterized in that the partition plate 10, the prestressed tendon 5, the inner steel cylinder 9, the outer iron sheet 8, the upper end plate 3 and the lower end plate 4 form a component part with a self-resetting function, the prestressed tendon 5 is fixed on the upper end plate 3 and the lower end plate 4 through the reserved drilling hole 7 and the anchorage device 6, the lower end plate 4 is welded with the anchorage device 13 and embedded in the concrete foundation 12, the circular wood column 1 is inserted into the inner steel cylinder 9 and connected with the steel structure part through the anchorage device, the inner cylinder open holes 11 are annularly arranged at intervals between the adjacent partition plates, The rivets are vertically and evenly distributed, and the circular wooden column 1 and the steel structure part are connected into a whole by the rivets through the inner cylinder holes 11.
The upper end plate 3 and the lower end plate 4 are steel plates with equal diameters, and the outer edges of the upper end plate and the lower end plate are flush; the outer edge of the steel clapboard 10 is flush with the outer edges of the upper end plate 3 and the lower end plate 4; one end of the partition plate 10 is connected to the inner steel cylinder 9 through welding, and the upper end plate 3 and the lower end plate 4 are connected with the upper end face and the lower end face of the inner steel cylinder 9 and the partition plate 10 through welding; the outer iron sheet 8 is welded on the outer edges of the partition plate 10, the upper end plate 3 and the lower end plate 4.
The upper end plate 3 and the lower end plate 4 are in an annular shape at the vertical parallel and level position to form a reserved drilling hole 7; the prestressed tendons 5 are a plurality of tendons, the tendons are perpendicular to the upper end plate 3 and the lower end plate 4 and are distributed and arranged in an annular mode, one ends of the tendons are fixed to the upper end plate 3 through anchorage devices 6, the upper anchorage devices 6 are embedded into the notches 2 of the round wood columns, and one ends of the tendons are fixed to the lower end plate 4 through the anchorage devices 6.
The connecting method of the self-resetting steel-wood mixed column base applicable to the round wood column comprises the following steps:
(1) the partition plate 10, the inner steel cylinder 9, the upper end plate 3 and the lower end plate 4 are connected in a welding mode in a factory, the anchor 13 is welded to the bottom face of the lower end plate 4, the prestressed tendons 5 penetrate through the upper end plate 3 and the lower end plate 4, prestress tensioning is conducted, and the prestressed tendons are fixed to the upper end plate 3 and the lower end plate 4 through the anchor 6 to form a steel structure part. The anchor bolts 13 are cast together with the concrete foundation 12 on site.
(2) And (3) inserting the round wooden column 1 into the inner steel cylinder 9 on site, and forming the round wooden column 1 and the steel structure part into a whole by using rivets through the inner cylinder opening 11. And welding the outer iron sheet 8 to the outer edges of the partition plate 10, the upper end plate 3 and the lower end plate 4.
The self-resetting steel-wood mixed column base applicable to the round wood column realizes the restoring force provided for the wood column under the earthquake action by arranging the prestressed tendons 5, so that the structure achieves the resetting effect, can be closed again after unloading, and reduces the residual deformation of the structure under the earthquake action. The round wood column 1 and the steel structure part are connected into a whole, so that the integral lateral stiffness, shear resistance and bending resistance of the wood column are improved, the bearing capacity and energy consumption capacity of the column base node are increased, and the damage of an earthquake to the main structure is effectively reduced. The node has simple and reasonable structure, less field construction amount and convenient and quick construction, and meets the assembly requirement.

Claims (9)

1. A self-resetting steel-wood mixed column base applicable to a circular wood column in a high-rise wood structure is composed of the circular wood column (1), a notch (2), an upper end plate (3), a lower end plate (4), a prestressed tendon (5), an anchorage device (6), a reserved drilling hole (7), an outer iron sheet (8), an inner steel cylinder (9), a steel partition plate (10), an inner cylinder open hole (11), a concrete foundation (12) and an anchor nail (13), and is characterized in that the partition plate (10), the prestressed tendon (5), the inner steel cylinder (9), the outer iron sheet (8), the upper end plate (3) and the lower end plate (4) form a component part with a self-resetting function, the prestressed tendon (5) is fixed on the upper end plate (3) and the lower end plate (4) through the reserved drilling hole (7) and the anchor nail (6), the lower end plate (4) and the anchor nail (13) are welded and buried in the concrete foundation (12), the circular wood column (1) is inserted into the inner steel cylinder (9), and the rivet penetrates through the inner barrel hole (11) for connection.
2. The self-resetting steel-wood mixed column base applicable to the circular wood column in the high-rise wood structure, according to claim 1, is characterized in that: the prestressed tendons (5) are distributed and arranged in an annular shape, and the upper anchorage devices are embedded in the notches (2) of the circular wood columns.
3. The self-resetting steel-wood mixed column base applicable to the circular wood column in the high-rise wood structure, according to claim 1, is characterized in that: the prestressed tendons (5) are perpendicular to the upper end plate (3) and the lower end plate (4).
4. The self-resetting steel-wood mixed column base applicable to the circular wood column in the high-rise wood structure, according to claim 1, is characterized in that: the partition plate (10), the inner steel cylinder (9), the upper end plate (3) and the lower end plate (4) are connected through welding.
5. The self-resetting steel-wood mixed column base applicable to the circular wood column in the high-rise wood structure, according to claim 1, is characterized in that: the outer iron sheet (8) is welded on the outer edges of the partition plate (10), the upper end plate (3) and the lower end plate (4).
6. The self-resetting steel-wood mixed column base applicable to the circular wood column in the high-rise wood structure, according to claim 1, is characterized in that: the upper end plate (3) is flush with the lower end plate (4).
7. The self-resetting steel-wood mixed column base applicable to the circular wood column in the high-rise wood structure, according to claim 1, is characterized in that: the outer edge of the steel clapboard (10) is flush with the outer edges of the upper end plate (3) and the lower end plate (4).
8. The self-resetting steel-wood mixed column base applicable to the circular wood column in the high-rise wood structure, according to claim 1, is characterized in that: the inner cylinder is provided with holes (11), the holes are arranged between adjacent partition plates at intervals in the circumferential direction, and the holes are vertically and uniformly distributed.
9. The self-resetting steel-wood mixed column base applicable to the circular wood column in the high-rise wood structure, according to claim 1, is characterized in that: the diameter of the circular wood column (1) within the height range of the lower steel structure is the same as that of the inner steel cylinder (9) so as to be inserted into the inner cylinder.
CN202120169735.2U 2021-01-19 2021-01-19 Self-resetting steel-wood mixed column base applicable to circular wood column in high-rise wood structure Expired - Fee Related CN214575946U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120169735.2U CN214575946U (en) 2021-01-19 2021-01-19 Self-resetting steel-wood mixed column base applicable to circular wood column in high-rise wood structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120169735.2U CN214575946U (en) 2021-01-19 2021-01-19 Self-resetting steel-wood mixed column base applicable to circular wood column in high-rise wood structure

Publications (1)

Publication Number Publication Date
CN214575946U true CN214575946U (en) 2021-11-02

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ID=78370320

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120169735.2U Expired - Fee Related CN214575946U (en) 2021-01-19 2021-01-19 Self-resetting steel-wood mixed column base applicable to circular wood column in high-rise wood structure

Country Status (1)

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CN (1) CN214575946U (en)

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