CN108756411A - The eccentrically braces structure of tree-shaped column - Google Patents
The eccentrically braces structure of tree-shaped column Download PDFInfo
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- CN108756411A CN108756411A CN201810541702.9A CN201810541702A CN108756411A CN 108756411 A CN108756411 A CN 108756411A CN 201810541702 A CN201810541702 A CN 201810541702A CN 108756411 A CN108756411 A CN 108756411A
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- shaped
- channel steel
- uniform
- tree
- steel support
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/024—Structures with steel columns and beams
Abstract
The invention discloses a kind of eccentrically braces structures of tree-shaped column,It between i shaped cross section supporting beam and I-shaped non-uniform beam by adding the first channel steel support beam,And the second channel steel support beam is added between the first channel steel support beam and I-shaped non-uniform beam,The first channel steel support beam is set to form triangle robust structure with the i shaped cross section supporting beam and I-shaped non-uniform beam,The second channel steel support beam forms triangle robust structure with the first channel steel support beam and I-shaped non-uniform beam,To form a tree-shaped column support construction,It is converted by multistage bifurcated,It is formed compared with large span space with smaller rod piece,It is connected with I-shaped non-uniform beam by the tree-shaped column support construction,So that the connecting node of non-active beam link and column supports cooperative transformation with i shaped cross section,The stress of the non-energy consumption beam-ends in part can be undertaken,Ensure the safety of non-energy consumption beam-ends,And reasonable stress,Under seismic loading,It can effective earthquake energy.
Description
Technical field
The present invention relates to field of engineering building, more particularly to a kind of eccentrically braces structure of tree-shaped column.
Background technology
Eccentrically braces structure is that a kind of rigidity is big, anti-seismic performance is good and the structure lateral resisting body with rational force path
System.In eccentrically braces structure, when inelastic deformation occurs for energy dissipating beam section, non-energy dissipating beam section end will bear larger axle power
And moment of flexure, it makes it possible to surrender or destroy.
Currently, domestic and foreign scholars have done a large amount of research to the performance of eccentrically braces structure.It was found that：1, energy dissipating beam section occurs
When serious cripping and edge of a wing buckling, ductility and energy dissipation capacity directly affect the anti-seismic performance 2 of structure, Cyclic Loading work
Under, a variety of failure modes can occur for active beam link, and whole seismic energies that dissipate, and 3, non-active beam link makees in axle power and moment of flexure
Under, end may occur seriously to destroy, and can influence the anti-seismic performance of structure.
Invention content
In view of the problems of the existing technology the present invention, proposes a kind of stress that can undertake the non-energy consumption beam-ends in part, protects
The safety for demonstrate,proving non-energy consumption beam-ends, and under seismic loading, can the effective tree-shaped column of earthquake energy accentric support
Structure.
In order to solve the above technical problems, the present invention provides a kind of eccentrically braces structure of tree-shaped column comprising
It is inclined at below I-shaped non-uniform beam, by support pier column symmetry for being provided for I-shaped non-uniform beam
The i shaped cross section supporting beam of support force；
The first channel steel support beam being arranged between i shaped cross section supporting beam and I-shaped non-uniform beam, first slot
One end of bracing members beam is supported in i shaped cross section supporting beam, and the other end is supported on I-shaped non-uniform beam, and described first
Channel steel support beam forms triangle robust structure with the i shaped cross section supporting beam and I-shaped non-uniform beam；And
The second channel steel support beam being arranged between the first channel steel support beam and I-shaped non-uniform beam, second channel steel
One end of supporting beam is supported on the first channel steel support beam, and the other end is supported on I-shaped non-uniform beam, second channel steel
Supporting beam forms triangle robust structure with the first channel steel support beam and I-shaped non-uniform beam.
Preferably, the I-shaped non-uniform beam is equipped with respect to the supporting point that i shaped cross section supporting beam supports it and adds
Strength rib part.
Preferably, the rib part of putting more energy into includes that a plurality of longitudinal stiffener and one pass perpendicularly through the longitudinal stiffener
Transverse stiffener, the both ends of the longitudinal stiffener abut the edge of a wing symmetrical above and below for being supported in I-shaped non-uniform beam.
Preferably, it is adjacent it is described support pier stud i shaped cross section supporting beam supporting point between span centre part I-shaped change
The beam body that cuts section bar width is more than I-shaped change between symmetrically arranged i shaped cross section supporting beam supporting point on same support pier stud
The beam body that cuts section bar width.
Preferably, one end of the i shaped cross section supporting beam is fixedly connected with setting by gusset plate with support pier stud, and
It is connected by prestress wire between the gusset plate of support pier stud.
Preferably, twisted wire connecting plate is vertically equipped on the gusset plate, the twisted wire connecting plate connects equipped with multiple twisted wires
Connect hole.
Preferably, the twisted wire connecting plate connects the side in direction equipped with multiple while gusset plate with respect to prestress wire
With the vertically disposed support plate of twisted wire connecting plate.
The eccentrically braces structure of tree-shaped column of the present invention, by i shaped cross section supporting beam and I-shaped variable cross-section
The first channel steel support beam is added between beam, and the second channel steel branch is added between the first channel steel support beam and I-shaped non-uniform beam
Beam is supportted, to form a tree-shaped column support construction, is converted by multistage bifurcated, the smaller rod piece of use is formed compared with large span sky
Between, it is connected with I-shaped non-uniform beam by the tree-shaped column support construction so that the connecting node of non-active beam link and column
Cooperative transformation is supported with i shaped cross section, the stress of the non-energy consumption beam-ends in part can be undertaken, ensures the safety of non-energy consumption beam-ends, and
Reasonable stress can effective earthquake energy under seismic loading.
Description of the drawings
Fig. 1 is the structural schematic diagram of the eccentrically braces structure of tree-shaped column described in the embodiment of the present invention 1；
Fig. 2 is the three-dimensional enlarged diagram in the portions A in Fig. 1；
Fig. 3 is the structural schematic diagram of the eccentrically braces structure of tree-shaped column described in the embodiment of the present invention 2.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The present invention provides a kind of eccentrically braces structure of tree-shaped column comprising
By supporting pier stud 9 to be symmetrically inclined at 2 lower section of I-shaped non-uniform beam, for being I-shaped non-uniform beam 2
The i shaped cross section supporting beam 3 of support force is provided；
The first channel steel support beam 4 being arranged between i shaped cross section supporting beam 3 and I-shaped non-uniform beam 2, described
One end of one channel steel support beam 4 is supported in i shaped cross section supporting beam 3, and the other end is supported on I-shaped non-uniform beam 2, institute
It states the first channel steel support beam 4 and forms triangle robust structure with the i shaped cross section supporting beam 3 and I-shaped non-uniform beam 2；With
And
The second channel steel support beam 5 being arranged between the first channel steel support beam 4 and I-shaped non-uniform beam 2, described second
One end of channel steel support beam 5 is supported on the first channel steel support beam 4, and the other end is supported on I-shaped non-uniform beam 2, and described
Two channel steel support beams 5 form triangle robust structure with the first channel steel support beam 4 and I-shaped non-uniform beam 2.
Embodiment 1
The embodiment of the present invention 1 provides a kind of eccentrically braces structure of tree-shaped column, as shown in Figure 1 comprising H-type column with variable cross-sections
1, I-shaped non-uniform beam 2, i shaped cross section supporting beam 3, the first channel steel support beam 4 and the second channel steel support beam 5.The H
1 opposed vertical of type column with variable cross-sections is arranged on left and right support pier stud 9, and the I-shaped non-uniform beam 2 is horizontally set on the H
Between type column with variable cross-sections 1, the i shaped cross section supporting beam 3 is inclined at the I-shaped non-uniform beam 2 and H-type variable cross-section
Between column 1, one end is supported on H-type column with variable cross-sections 1, and the other end is supported on I-shaped non-uniform beam 2；First channel steel
Supporting beam 4 is arranged between i shaped cross section supporting beam 3 and I-shaped non-uniform beam 2, one end of the first channel steel support beam 4
It is supported in i shaped cross section supporting beam 3, the other end is supported on I-shaped non-uniform beam 2；The second channel steel support beam 5 is set
It sets between the first channel steel support beam 4 and I-shaped non-uniform beam 2, one end of the second channel steel support beam 5 is supported on first
On channel steel support beam 4, the other end is supported on I-shaped non-uniform beam 2.
The i shaped cross section supporting beam 3 forms triangle with H-type column with variable cross-sections 1 with the I-shaped non-uniform beam 2 and consolidates
Structure, the first channel steel support beam 4 form triangle with I-shaped non-uniform beam 2 with the i shaped cross section supporting beam 3 and consolidate
Structure, the second channel steel support beam 5 form the firm knot of triangle with the first channel steel support beam 4 and I-shaped non-uniform beam 2
Structure, the first channel steel support beam 4 and the second channel steel support beam 5 form a tree-shaped column support construction, turn by multistage bifurcated
It changes, the smaller rod piece of use is formed compared with large span space, is connected with I-shaped non-uniform beam 2 by the tree-shaped column support construction
It connects so that the connecting node of non-active beam link and column supports cooperative transformation with i shaped cross section, can undertake the non-dissipative links in part
The stress at end ensures the safety of non-energy consumption beam-ends, and reasonable stress can effectively consume seismic energy under seismic loading
Amount.Preferably, the first channel steel support beam 4 and the both ends of the second channel steel support beam 5, which are all made of, just connects form and connect.
Wherein, it is adjacent it is described support pier stud 93 supporting point of i shaped cross section supporting beam between span centre part I-shaped change
2 beam bodies that cut section bar are active beam link, work between symmetrically arranged 3 supporting point of i shaped cross section supporting beam on same support pier stud 9
2 beam body of font non-uniform beam is non-active beam link, and the beam body width of the active beam link is more than non-active beam link beam body width, and
The active beam link is reinforced using the section of the high web of wide width wing edge, by increasing the web thickness and flange width of active beam link,
Improve active beam link by curved shear resistance capacity, ensure the working performance of active beam link.
The I-shaped non-uniform beam 2 is equipped with ribbed stiffener with respect to the supporting point that i shaped cross section supporting beam 3 supports it
Component 6, the rib part 6 of putting more energy into includes a plurality of longitudinal stiffener and a lateral stiffening for passing perpendicularly through the longitudinal stiffener
Rib, the longitudinal stiffener are welded on I-shaped non-uniform beam 2 in the high web region of wide width wing edge, by rib part 6 of putting more energy into,
To have reinforcement effect to shearing mutation caused by I-shaped support at variable cross-section, that improves active beam link is cut carrying by curved
Power makes it when shearing mutation, ensures the safety of beam active beam link and non-active beam link junction；And pass through rib part 6 of putting more energy into
The non-active beam link end is reinforced, the destruction of beam part is effectively prevent, ensures the performance of beam overall work.
One end of the i shaped cross section supporting beam 3 is fixedly connected with setting by gusset plate 7 with support pier stud 9, and supports
It is connected by prestress wire 8 between the gusset plate 7 of pier stud 9.Wherein, it as shown in Fig. 2, the gusset plate 7 uses dentation, uses
To increase fusion length, ensure that the intensity of junction is enough, and is vertically equipped with twisted wire connecting plate, the strand on the gusset plate 7
Line connecting plate is equipped with multiple twisted wire connecting holes, to ensure that the stability of twisted wire connecting plate, the twisted wire connecting plate are answered in advance relatively
The side that power steel strand wires 8 connect direction is equipped with multiple while gusset plate 7 and the vertically disposed support plate of twisted wire connecting plate.
And connected by the way that the prestress wire 8 is arranged between gusset plate 7, to make prestress wire 8, I-shaped
Type section supporting beam 3 and active beam link form that quadrangle is whole, and the internal force to generating horizontal direction is cancelled out each other, reduce column by
Power.
The eccentrically braces structure of tree-shaped column of the present invention, by being cut in i shaped cross section supporting beam 3 and I-shaped become
The first channel steel support beam 4 is added between face beam 2, and adds second between the first channel steel support beam 4 and I-shaped non-uniform beam 2
Channel steel support beam 5 is converted by multistage bifurcated, is formed with smaller rod piece larger to form a tree-shaped column support construction
Span spatial is connected by the tree-shaped column support construction with I-shaped non-uniform beam 2 so that the company of non-active beam link and column
It connects node and supports cooperative transformation with i shaped cross section, the stress of the non-energy consumption beam-ends in part can be undertaken, ensure non-energy consumption beam-ends
Safety, and reasonable stress can effective earthquake energy under seismic loading.
Embodiment 2
The embodiment of the present invention 2 provides the eccentrically braces structure of another tree-shaped column, belongs to the support construction of multi-span, such as schemes
Shown in 3, difference lies in the H-type column with variable cross-sections 1 is relatively perpendicular for the eccentrically braces structure of the tree-shaped column provided with embodiment 1
Straight setting is equipped with multiple transition on first, last support pier stud 9, between the first, last support pier stud 9 and supports pier stud 9, the I-shaped
Type section supporting beam 3 supports pier stud 9 to be symmetrically inclined at 2 lower section of I-shaped non-uniform beam by transition, is cut for I-shaped become
Face beam 2 provides support force, specifically, one end of the i shaped cross section supporting beam 3 is supported on H-type column with variable cross-sections 1, the other end
It is supported on I-shaped non-uniform beam 2.
The specific implementation mode of present invention described above, is not intended to limit the scope of the present invention..Any basis
The various other corresponding changes and deformation that the technical concept of the present invention is made, should be included in the guarantor of the claims in the present invention
It protects in range.
Claims (7)
1. a kind of eccentrically braces structure of tree-shaped column, which is characterized in that including
It is inclined at below I-shaped non-uniform beam, by support pier column symmetry for providing support for I-shaped non-uniform beam
The i shaped cross section supporting beam of power；
The first channel steel support beam being arranged between i shaped cross section supporting beam and I-shaped non-uniform beam, the first channel steel branch
One end of support beam is supported in i shaped cross section supporting beam, and the other end is supported on I-shaped non-uniform beam, first channel steel
Supporting beam forms triangle robust structure with the i shaped cross section supporting beam and I-shaped non-uniform beam；And
The second channel steel support beam being arranged between the first channel steel support beam and I-shaped non-uniform beam, second channel steel support
One end of beam is supported on the first channel steel support beam, and the other end is supported on I-shaped non-uniform beam, second channel steel support
Beam forms triangle robust structure with the first channel steel support beam and I-shaped non-uniform beam.
2. the eccentrically braces structure of tree-shaped column according to claim 1, which is characterized in that the I-shaped non-uniform beam is opposite
The supporting point that i shaped cross section supporting beam supports it is equipped with rib part of putting more energy into.
3. the eccentrically braces structure of tree-shaped column according to claim 1, which is characterized in that the rib part of putting more energy into includes a plurality of
The both ends of longitudinal stiffener and a transverse stiffener for passing perpendicularly through the longitudinal stiffener, the longitudinal stiffener abut branch
It supports in the edge of a wing symmetrical above and below of I-shaped non-uniform beam.
4. the eccentrically braces structure of tree-shaped column according to claim 1, which is characterized in that the I-shaped of the adjacent support pier stud
The I-shaped non-uniform beam beam body width of span centre part between the supporting beam supporting point of type section is more than symmetrical on same support pier stud
I-shaped non-uniform beam beam body width between the i shaped cross section supporting beam supporting point of setting.
5. the eccentrically braces structure of tree-shaped column according to claim 1, which is characterized in that the i shaped cross section supporting beam
One end is fixedly connected with setting with support pier stud by gusset plate, and is connected by prestress wire between the gusset plate of support pier stud
It connects.
6. the eccentrically braces structure of tree-shaped column according to claim 1, which is characterized in that be vertically equipped with and twist on the gusset plate
Line connecting plate, the twisted wire connecting plate are equipped with multiple twisted wire connecting holes.
7. the eccentrically braces structure of tree-shaped column according to claim 1, which is characterized in that the twisted wire connecting plate is answered in advance relatively
The side that power steel strand wires connect direction is equipped with multiple while gusset plate and the vertically disposed support plate of twisted wire connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541702.9A CN108756411B (en) | 2018-05-30 | 2018-05-30 | Eccentric supporting structure of tree-shaped column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541702.9A CN108756411B (en) | 2018-05-30 | 2018-05-30 | Eccentric supporting structure of tree-shaped column |
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| CN108756411A true CN108756411A (en) | 2018-11-06 |
| CN108756411B CN108756411B (en) | 2020-06-16 |
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| CN201810541702.9A Active CN108756411B (en) | 2018-05-30 | 2018-05-30 | Eccentric supporting structure of tree-shaped column |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735538A (en) * | 2019-08-20 | 2020-01-31 | 东南大学 | Assembled reinforced structure with external contact surface energy consumption of existing structure |
| CN112609852A (en) * | 2020-11-12 | 2021-04-06 | 中国建筑第八工程局有限公司 | Connecting structure for viscous damping wall to be mounted on building main body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110735538B (en) * | 2019-08-20 | 2023-01-31 | 东南大学 | Assembly type reinforcing structure with external contact surface energy consumption of existing structure |
| CN112609852A (en) * | 2020-11-12 | 2021-04-06 | 中国建筑第八工程局有限公司 | Connecting structure for viscous damping wall to be mounted on building main body |
| CN112609852B (en) * | 2020-11-12 | 2022-06-28 | 中国建筑第八工程局有限公司 | Connecting structure for viscous damping wall to be mounted on building main body |
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| CN108756411B (en) | 2020-06-16 |
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