CN208184007U - A kind of back-shaped control power buckling-resistant support structure - Google Patents
A kind of back-shaped control power buckling-resistant support structure Download PDFInfo
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- CN208184007U CN208184007U CN201820600816.1U CN201820600816U CN208184007U CN 208184007 U CN208184007 U CN 208184007U CN 201820600816 U CN201820600816 U CN 201820600816U CN 208184007 U CN208184007 U CN 208184007U
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- main frame
- steel
- control power
- support structure
- rectangular inner
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Abstract
The utility model discloses a kind of back-shaped control power buckling-resistant support structures, including rectangular inner frames and rectangle main frame, wherein, rectangular inner frames are located in rectangle main frame, and metal plate is provided in rectangular inner frames, one angle of rectangular inner frames corresponds to an angle of rectangle main frame, and the outer wall at each angle is connected with the inner wall of corresponding angles on rectangle main frame by strut on rectangular inner frames, the structure is with high security, excellent earthquake resistance, structure are simple, occupies little space and feature at low cost.
Description
Technical field
The utility model belongs to building structure field, is related to a kind of back-shaped control power buckling-resistant support structure.
Background technique
Lateral resisting structure plays the role of resisting the horizontal loadings such as wind load and earthquake load in building structure, is to guarantee
The safe and reliable key of total.The lateral resisting structure applied in multi and tall steel building at present mainly has support construction and steel
Two class of plate shear wall structure, and according to the difference of stress performance and structural form, but can be subdivided into central supported, accentric support,
Buckling restrained brace (anti-buckling support), non-stiffened steel plates wall, stiffened steel plates wall, crack steel plate wall and anti-buckling steel plate wall etc. are more
Kind form.
The anti-flexion capabilities of central supported are poor, especially elasticity or bullet can inevitably occur under middle shake and big shake effect
Plastic buckling causes support to be failed, and causes the decline of the rigidity of structure and energy dissipation capacity, influences structure safety.Accentric support passes through branch
Support biasing forms energy consumption coupling beam and consumes energy, and can be relieved the buckling problem of strut, but horizontal loads lower floor plate can be relatively early
Ground destroys, and to guarantee that active beam link is surrendered first, remaining component generally requires to be designed to excessive section or even mistake
Divide superpower, increase construction cost, practical application is relatively limited.Buckling restrained brace is by constraining material in support core material outer cladding
Material or component belong to " construction is anti-buckling " scope, its anti-buckling energy to reach a kind of support for limiting core material buckling effect
Power is stronger also to have better energy dissipation capacity, but such supports universal section larger, need to occupy more spaces, and structure
Complex, project cost height is made, therefore there is biggish limitation in practical engineering applications.
Steel plate shear force wall (non-to put more energy into, put more energy into, is anti-buckling) provides rigidity by the pulling force field that wallboard is formed and resists horizontal force,
But pulling force field has very unfavorable oblique effect to the edge constraint column (frame columns) of steel plate wall, and due to wallboard nonreactive pressure energy
Power, tilting moment caused by horizontal loading is mainly formed by couple by frame column axial force and resists, so that internal force is very big in column,
Easily lead to the unstability or destruction of frame columns, it is therefore desirable to which the additional column section or selection steel core concrete column etc. of increasing is stablized
The better composite structure column of property is as edge constraint component, the application which also limits steel plate shear force walls in steel construction.Separately
Outside, frame beam bending deformation in the case where upper and lower level wallboard is formed by pulling force field action can be largely suppressed, similar
By " build-in ", so that frame beam plasticity is insufficient, frame columns often form plastic hinge, Aseismic Design prior to frame beam
In " strong column and weak beam " requirement it is relatively difficult to achieve, reduce the anti-seismic performance of structure entirety.In addition, the wallboard of steel plate shear force wall need to be
Construction site is attached by bolting or welding with frame beam column, heavy workload and quality of connection is not easy to guarantee, hampers steel
The assembling application of slab-wall structure.Influence of the slotted steel plate shear wall wallboard to side column is small, but since rigidity and bearing capacity are weaker,
Practical application is seldom.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of anti-buckling branch of back-shaped control power
Support structure, the structure is with high security, excellent earthquake resistance, structure are simple, occupies little space and feature at low cost.
In order to achieve the above objectives, back-shaped control power buckling-resistant support structure described in the utility model include rectangular inner frames and
Rectangle main frame, wherein rectangular inner frames are located in rectangle main frame, and metal plate is provided in rectangular inner frames, wherein square
One angle of shape inner frame corresponds to an angle of rectangle main frame, and on rectangular inner frames on the outer wall at each angle and rectangle main frame
The inner wall of corresponding angles is connected by strut.
The rectangle main frame is made of two main frame beams and two pillar of main frame, wherein the one of two main frame beams
End is connected with the side of a pillar of main frame, and the other end of two main frame beams is connected with the side of another pillar of main frame
It connects.
The rectangular inner frames are set a roof beam in place by two inside casings and two inside casing trestles form, wherein two inside casings set a roof beam in place one
End is connected with the side of an inside casing trestle, and the other end that two inside casings are set a roof beam in place is connected with the side of another inside casing trestle
It connects.
The inner wall at each angle is provided with strut node on rectangle main frame, and strut is fixed on corresponding strut node.
Metal plate is fixed on the inside of rectangular inner frames by welding or bolt.
The diagonal line of rectangle main frame is overlapped with the diagonal line of rectangular inner frames.
Main frame beam is H profile steel beam or steel beam with box shape；
Pillar of main frame is H profile steel column, steel box column, steel core concrete column, profile steel concrete column or steel tube binding type steel
Concrete column.
Inside casing is set a roof beam in place as H profile steel beam or steel beam with box shape；
Inside casing trestle is H profile steel column or steel box column.
Strut is H profile steel strut or box steel strut.
Metal plate is general steel plate, the steel plate with ribbed stiffener, the steel plate that cracks, aluminium alloy plate, low yield point steel plate or foam
Steel plate.
The utility model has the following beneficial effects:
Back-shaped control power buckling-resistant support structure described in the utility model passes through rectangular inner frames and gold when specific operation
Belong to board group and control power wall at energy consumption, when structure is by horizontal loads such as earthquake loads and wind load, strut is by horizontal loading
It is converted into pulling force and pressure acts on rectangular inner frames, metal plate with rectangular inner frames takes the lead in that tension surrender occurs and curved scissors is bent
Clothes consume energy, and when horizontal loading is bigger, tension surrender occurs in succession and is further consumed by curved surrender for strut and main frame beam
Seismic energy is dissipated, since the component that plasticity energy consumption can be achieved is more, range is big, and energy consumption ability is superior.In addition, traditional is anti-in the wrong
Song support needs to increase complicated constraint material and confining part to achieve the purpose that constraint support core material bending deformation, and this reality
With the novel concept anti-buckling based on control power, the maximum axle power of strut is controlled using energy consumption control power wall, and is provided enough to it
Deformation space realize surrender not buckling of the structure under big shake effect, prevent buckling effect more preferable, while can be in very great Cheng
Simplify construction on degree, reduce space hold and reduce manufacturing cost.
Further, the angle of rectangular inner frames is connected by strut with the bean column node of rectangle main frame, avoids steel plate and cuts
Pulling force field has stable anti-pressure ability, may participate in the horizontal lotus of resistance to the detrimental effects of frame columns, the strut of compression in power wall
Tilting moment caused by carrying, mitigates the stress burden of pillar of main frame, prevents its premature degradation, to improve the antidetonation energy of structure
Power.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1 it is main frame beam, 2 be pillar of main frame, 3 is that inside casing sets a roof beam in place, 4 is inside casing trestle, 5 is metal plate, 6 is support
Bar, 7 are strut node.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
With reference to Fig. 1, back-shaped control power buckling-resistant support structure described in the utility model includes rectangular inner frames and rectangle master
Frame, wherein rectangular inner frames are located in rectangle main frame, and metal plate 5 is provided in rectangular inner frames, wherein in rectangle
One angle of frame corresponds to an angle of rectangle main frame, and the outer wall at each angle is corresponding on rectangle main frame on rectangular inner frames
The inner wall at angle is connected by strut 6.
The rectangle main frame is made of two main frame beams 1 and two pillar of main frame 2, wherein two main frame beams 1
One end is connected with the side of a pillar of main frame 2, the side of the other end of two main frame beams 1 and another pillar of main frame 2
It is connected；The rectangular inner frames by two inside casings set a roof beam in place 3 and two inside casing trestles 4 form, wherein two inside casings set a roof beam in place 3
One end is connected with the side of an inside casing trestle 4, and two inside casings are set a roof beam in place 3 other end and the side of another inside casing trestle 4
It is connected.
The inner wall at each angle is provided with strut node 7 on rectangle main frame, and strut 6 is fixed on corresponding strut node 7；Gold
Belong to the inside that plate 5 is fixed on rectangular inner frames by welding or bolt；The diagonal line of rectangle main frame and rectangular inner frames
Diagonal line is overlapped.
Main frame beam 1 is H profile steel beam or steel beam with box shape；Pillar of main frame 2 is H profile steel column, steel box column, concrete filled steel tube
Column, profile steel concrete column or steel tube binding type steel concrete column；Inside casing sets a roof beam in place 3 as H profile steel beam or box steel；Inside casing trestle 4
For H profile steel column or steel box column；Strut 6 is H profile steel strut or box steel strut；Metal plate 5 is general steel plate, with ribbed stiffener
Steel plate, the steel plate that cracks, aluminium alloy plate, low yield point steel plate or foam steel plate.
The working principle of the utility model are as follows:
When structure is by horizontal loads such as earthquake loads and wind load, horizontal loading is converted pulling force by strut 6
And pressure acts on rectangular inner frames, to drive rectangular inner frames and metal plate 5 that lateral deformation occurs, metal plate 5 is in tension and compression
Pulling force field, which is formed, under power effect provides rigidity and bearing capacity for structure.The energy consumption control power wall of metal plate 5 and rectangular inner frames composition
It is main energy-consuming parts, under geological process, metal plate 5 and rectangular inner frames take the lead in that tension surrender and curved scissors surrender progress occurs
Energy consumption, when horizontal loading is bigger, tension surrender occurs in succession and is further dissipated ground by curved surrender for strut 6 and main frame beam 1
Shake energy.In practical operation, by changing the area of rectangular inner frames and the thickness of metal plate 5, whole with adjustment structure
The size of rigidity and bearing capacity.The mechanical property of energy consumption control power wall is similar to steel plate shear force wall, can be with high ductility, after surrender
Stable bearing capacity is kept in sizable deformation range, therefore even if limit lateral deformation occurs in big shake effect flowering structure
When, energy consumption control power wall is still stable to the maximum reaction force of strut 6 and can determine, since the maximum axle power inside strut 6 can
With determination, along with strut 6 has biggish compressive deformation space, by adjusting the area and metal plate 5 of rectangular inner frames
Thickness, while by choosing reasonable 6 area of section of strut, to control the maximum axle power of strut 6, to accomplish in limiting condition
Flowering structure surrender realizes that control power is anti-buckling without buckling.
Claims (10)
1. a kind of back-shaped control power buckling-resistant support structure, which is characterized in that including rectangular inner frames and rectangle main frame, wherein
Rectangular inner frames are located in rectangle main frame, and metal plate (5) are provided in rectangular inner frames, wherein the one of rectangular inner frames
A angle corresponds to an angle of rectangle main frame, and on rectangular inner frames on the outer wall at each angle and rectangle main frame corresponding angles inner wall
It is connected by strut (6).
2. back-shaped control power buckling-resistant support structure according to claim 1, which is characterized in that the rectangle main frame is by two
Root main frame beam (1) and two pillar of main frame (2) compositions, wherein one end of two main frame beams (1) and a pillar of main frame
(2) side is connected, and the other end of two main frame beams (1) is connected with the side of another pillar of main frame (2).
3. back-shaped control power buckling-resistant support structure according to claim 1, which is characterized in that the rectangular inner frames are by two
Root inside casing is set a roof beam in place (3) and two inside casing trestles (4) composition, wherein two inside casings set a roof beam in place (3) one end and an inside casing trestle
(4) side is connected, and the set a roof beam in place other end of (3) of two inside casings is connected with the side of another inside casing trestle (4).
4. back-shaped control power buckling-resistant support structure according to claim 1, which is characterized in that each angle on rectangle main frame
Inner wall is provided with strut node (7), and strut (6) is fixed on corresponding strut node (7).
5. back-shaped control power buckling-resistant support structure according to claim 1, which is characterized in that metal plate (5) passes through welding
Or bolt is fixed on the inside of rectangular inner frames.
6. back-shaped control power buckling-resistant support structure according to claim 1, which is characterized in that the diagonal line of rectangle main frame
It is overlapped with the diagonal line of rectangular inner frames.
7. back-shaped control power buckling-resistant support structure according to claim 2, which is characterized in that
Main frame beam (1) is H profile steel beam or steel beam with box shape；
Pillar of main frame (2) is H profile steel column, steel box column, steel core concrete column, profile steel concrete column or steel tube binding type steel reinforced concrete
Solidifying earth pillar.
8. back-shaped control power buckling-resistant support structure according to claim 3, which is characterized in that
Inside casing sets a roof beam in place (3) as H profile steel beam or steel beam with box shape；
Inside casing trestle (4) is H profile steel column or steel box column.
9. back-shaped control power buckling-resistant support structure according to claim 1, which is characterized in that strut (6) is H profile steel strut
Or box steel strut.
10. back-shaped control power buckling-resistant support structure according to claim 1, which is characterized in that metal plate (5) is ordinary steel
Plate, the steel plate with ribbed stiffener, the steel plate that cracks, aluminium alloy plate, low yield point steel plate or foam steel plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820600816.1U CN208184007U (en) | 2018-04-25 | 2018-04-25 | A kind of back-shaped control power buckling-resistant support structure |
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| CN201820600816.1U CN208184007U (en) | 2018-04-25 | 2018-04-25 | A kind of back-shaped control power buckling-resistant support structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505640A (en) * | 2018-04-25 | 2018-09-07 | 西安建筑科技大学 | A kind of back-shaped control power buckling-resistant support structure |
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2018
- 2018-04-25 CN CN201820600816.1U patent/CN208184007U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505640A (en) * | 2018-04-25 | 2018-09-07 | 西安建筑科技大学 | A kind of back-shaped control power buckling-resistant support structure |
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