CN211523471U - Novel controlled swing damping structure system - Google Patents
Novel controlled swing damping structure system Download PDFInfo
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- CN211523471U CN211523471U CN201921253044.XU CN201921253044U CN211523471U CN 211523471 U CN211523471 U CN 211523471U CN 201921253044 U CN201921253044 U CN 201921253044U CN 211523471 U CN211523471 U CN 211523471U
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- restrained brace
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Abstract
A novel controlled swinging shock absorption structure system comprises a structure, a foundation, a filling wall, a buckling-restrained brace and a semi-automatic electromagnetic damper. The buckling-restrained brace is structurally installed, the semi-automatic electromagnetic damper is installed on the filler wall, and the structure is fixed on a foundation through a fixed end and an embedded end mode. The main characteristics are that the fixed ends of the supporting frame column and the foundation are relaxed and restrained, the embedded end of the energy dissipation element is vertically arranged, and semi-automatic electromagnetic dampers are arranged in each layer of filling wall around the structure. The system forms a swing behavior under the action of an earthquake, has small interlayer displacement, large rigidity, consumes energy and absorbs shock, and is easy to repair after the earthquake.
Description
The technical field is as follows:
the utility model relates to a structure field specifically is a novel controlled shock-absorbing structure system that sways.
Background art:
the novel shock absorption structure system comprises a self-reset structure, a swinging structure, a recoverable functional structure and the like. The self-resetting structure reduces the earthquake response of the structure and provides self-resetting capability by relaxing certain node constraint and adding the prestressed tendons in the structure, has small residual displacement after earthquake, reduces little strength and rigidity, is convenient to repair and quickly put into use again, and can greatly reduce economic loss caused by the earthquake.
Post-tensioned self-centering (post-tensioned) architectures have been proposed to reduce residual deformation. The structural system consists of a self-centering system and an energy consumption system. The self-centering system is composed of post-tensioned steel bars or steel strands to provide a self-centering function. The energy dissipation system provides energy dissipation function through yielding, bonding and friction by a support or a damper. The post-tensioning self-centering structural system has the advantages of reducing maximum deformation and residual deformation and reducing structural component damage.
The rocking structure reduces or avoids damage to the structural members by rocking the structure, provides a return function, and limits the requirements for non-structural members. The rocking action in a rocking structure can be provided by a self-centring structure (the post-tensioned steel strands provide the self-centring function) or by the action of gravity on the structure itself (the column shoe lifting and dropping). The energy dissipation capacity in the swinging structure is provided by a steel yielding device and a viscous damping device (replaceable angle steel and the like) placed at the column base so as to control the reaction of the structure. The column shoe is designed to allow the column shoe to be raised.
In this way, the tendons provide a restoring force which, when subjected to the action of an earthquake, reduces their specific function by damage to the tendons and therefore affects the control of the deformation and destruction of the building structure. In the high-rise building structure, when the axial that is transferred down by superstructure in the post is drawn, pressure transmits to the basis in, the structure dead weight will be not be enough to offset whole axial tension, after the axial tension who accumulates in the post overcomes the structure dead weight, is difficult to guarantee frame post and structure foundation's security, stability and overall structure's effective biography power route.
Therefore, a novel controlled swing shock absorption structure system is provided, the input direction of earthquake motion is predicted based on displacement data acquired by a displacement sensor and a data acquisition system, the relative motion direction of a semi-automatic electromagnetic damper is controlled, bending moment opposite to the motion direction of the structure is provided for the structure, the structure is enabled to generate swing behavior, the interlayer displacement of the structure is reduced, and the structural damage is reduced.
The utility model has the following contents:
the utility model aims to solve the technical problem that a provide the mode of action of swaing in the structure of swaing is provided, has enlarged the way of providing of the action of swaing the structure, has provided a novel controlled shock-absorbing structure system that sways.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a novel controlled swinging shock absorption structure system comprises a structure, a foundation, a filling wall, a buckling-restrained brace and a semi-automatic electromagnetic damper. The buckling-restrained brace is structurally installed, the semi-automatic electromagnetic damper is installed on the filler wall, and the structure is fixed on a foundation through a fixed end and an embedded end mode. The main characteristic is that the fixed ends of the supporting frame column and the foundation are relaxed and restrained, the embedded end of the energy dissipation element is vertically arranged, and semi-automatic electromagnetic dampers are arranged on each layer of filling walls around the structure. This system is based mainly on the following considerations: in strong earthquakes, the input direction of earthquake motion is predicted based on the displacement response of each layer of corner post or each layer of corner post and each layer of side post measured by the displacement sensor, so that the action mode of the semi-automatic electromagnetic damper in the filler wall of each layer of side span is controlled, a bending moment opposite to the vibration direction of the structure is provided for the structure, the bending moment opposite to the vibration direction of the structure reduces the further increase of the displacement response of the structure between layers, limits the swing range of the frame, has a reset function, and generates the swing action of the structure.
Preferably, the utility model is suitable for a concrete structure, steel construction.
Preferably, the structure is a reinforced concrete frame structure, a shear wall structure, a frame-tube structure, a frame-supported shear wall structure, a tube-in-tube structure, a multi-tube structure, a giant frame structure, or a hybrid structure.
Preferably, the structure comprises a frame column and a frame beam which are provided with the buckling restrained brace, and a frame column and a frame beam which are not provided with the buckling restrained brace.
Preferably, the buckling restrained brace arrangement comprises a cross-shaped arrangement, a herringbone arrangement, and a single diagonal bar arrangement.
Preferably, the buckling-restrained brace is arranged in a mode of being arranged at an edge span, a middle span, an edge span and a middle span, and is uniformly distributed per span.
Preferably, the buckling-restrained brace is installed between the frame column and the frame beam of one span or a plurality of spans of the structure, and the buckling-restrained brace is not installed between the other frame columns and the frame beams of the structure.
Preferably, the bottom end of the frame column of the structure without the anti-buckling support is connected with the foundation by a fixed end.
Preferably, the bottom end of the frame column provided with the structure of the buckling restrained brace is connected with the foundation by adopting an embedded end.
Preferably, the energy dissipation elements at the embedding end comprise steel plate energy dissipation elements and steel bar energy dissipation elements.
Preferably, the energy dissipation element at the embedding end comprises different cross-sectional forms such as a uniform cross section, a variable cross section and the like and different cross-sectional parameters.
Preferably, the foundation comprises shallow foundations such as a rib-free expansion foundation, a strip foundation, a box foundation, a raft foundation, an expansion foundation and an independent foundation, and deep foundations such as a pile foundation, an underground continuous wall, a pier foundation and a deep well.
Preferably, an embedded part is arranged on the bottom surface of the frame column of the structure provided with the buckling restrained brace.
Preferably, an embedded part is arranged on the basis of contacting with the bottom surface of the frame column of the structure provided with the buckling restrained brace.
Preferably, embedded parts are arranged on the four peripheral surfaces of the bottom end of the frame column of the structure provided with the buckling restrained brace.
Preferably, a displacement sensor is mounted on each layer of corner post or each layer of corner post and each layer of side post of the structure.
Preferably, the displacement sensor is structurally mounted in a built-in mounting manner or an externally mounted mounting manner.
Preferably, the infill wall is arranged straddling around each layer of the structure.
Preferably, the infill wall is connected to the structure by a flexible connection or a rigid connection.
Preferably, wall openings such as door openings, window openings or decorative openings are arranged at appropriate positions in the infill wall.
Preferably, embedded parts are arranged on the upper surface and the lower surface of the wall opening in the filler wall.
Preferably, the semi-automatic electromagnetic damper is placed in a wall opening in the infill wall.
Preferably, the semi-automatic electromagnetic dampers are arranged in a layer-by-layer arrangement method, a plane symmetrical arrangement method, a plane asymmetrical arrangement method, a method using a control force as a control function, a method using an interlayer displacement and a layer displacement as a control function, or the like.
Preferably, the magnetic material of the semi-automatic electromagnetic damper comprises iron, cobalt, nickel and oxides thereof.
Preferably, the input direction of seismic oscillation is predicted based on the displacement response between each layer of corner post or each layer of corner post and each layer of side post measured by the displacement sensor, so as to control the action mode of the semi-automatic electromagnetic damper in the filler wall of each layer of side span, further provide a bending moment opposite to the structure vibration direction for the structure, reduce the further increase of the displacement response between the layers of the structure due to the action of the bending moment opposite to the structure vibration direction, limit the 'swing range' of the frame, have the function of resetting, and generate the swing action of the structure.
According to the utility model discloses a novel controlled shock-absorbing structure system that sways relaxs the restraint with the stiff end of braced frame post and basis, vertically is provided with the end of inlaying of power consumption component, and has arranged semi-automatic electromagnetic damper on each layer of infilled wall all around of structure. When the structure is subjected to the action of earthquake, relative displacement is generated between layers, according to the displacement response between layers measured by displacement sensors of each layer of corner post and each layer of side post, the current direction of an electrified solenoid in the semi-automatic electromagnetic damper is controlled by a program, and then the action mode of the semi-automatic electromagnetic damper in the filler wall of each layer of side span is controlled, so that when the displacement angle between layers of the structure exceeds the limit, the semi-automatic electromagnetic damper is utilized to provide bending moment opposite to the vibration direction of the structure, and the bending moment opposite to the vibration direction of the structure acts to reduce the further increase of the displacement response between layers of the structure, thereby reducing the deformation of the structure.
Description of the drawings:
FIG. 1 is a diagram of a conventional framework architecture;
fig. 2 is a schematic diagram of a novel controlled sway damping structure system (layer number, layer height, and span are only exemplary) and an arrangement schematic diagram of one of the buckling restrained braces (support arrangement mode, arrangement position, and column base arrangement mode are only exemplary), and an arrangement schematic diagram of one of the wall opening, the semi-automatic electromagnetic damper, and the displacement sensor (wall opening position is only exemplary according to actual structural arrangement, damper arrangement according to actual need, displacement sensor arrangement position, etc.);
FIG. 3 is a schematic illustration of the direction of vibration and the required bending moment that may be generated by a novel controlled sway damping architecture in accordance with the present invention;
reference numerals: the structure comprises a structure 1, an anti-buckling support 2, a foundation 3, a filler wall 4, a semi-automatic electromagnetic damper 5, a fixed end 6, an embedded end 7, an energy dissipation element 8, a wall opening 9 and a displacement sensor 10.
The specific implementation mode is as follows:
for a better understanding of the present invention, a novel controlled sway damping architecture is described in detail below with reference to the accompanying drawings.
Fig. 2 shows a schematic diagram of a novel controlled swing damping structure system, which includes a structure 1, a buckling-restrained brace 2, a foundation 3, a filler wall 4, a semi-automatic electromagnetic damper 5, a fixed end 6, an embedded end 7, an energy dissipation element 8, a wall opening 9, and a displacement sensor 10.
The utility model is used for among multiple structures such as reinforced concrete frame construction, shear wall structure, frame-section of thick bamboo structure, frame-supported shear wall structure, section of thick bamboo structure in the section of thick bamboo, many barrel structures, huge frame construction, mixed structure, as shown in fig. 1-3, use frame construction as an example, the frame is reinforced concrete frame, at reinforced concrete frame 1 wherein installed buckling restrained brace 2 between the frame post of crossing and the frame roof beam, through buckling restrained brace 2, can avoid concrete frame 1 buckling. The frame 1 is fixed on the foundation 3 by a fixed end 6 and a built-in end 7. The fixed ends 6 of the supporting frame columns and the foundation 3 are loosened and restrained, and the embedded end 7 of the energy dissipation element 8 is vertically arranged. As shown in fig. 2, semi-automatic electromagnetic dampers 5 are arranged on the infill walls 4 of the four side spans of each layer. As shown in fig. 3, four corner columns are named as WS, ES, WN and EN, in strong earthquake, the direction of earthquake motion is calculated based on the displacement response between each layer of corner column or each layer of corner column and each layer of side column measured by the displacement sensor 10, so as to control the action mode of the semi-automatic electromagnetic damper 5 in the filler wall 4 of each layer of side span, and further provide the structure 1 with a bending moment opposite to the vibration direction of the structure 1, the bending moment opposite to the vibration direction of the structure 1 acts to reduce the further increase of the displacement response between the layers of the structure 1 and limit the 'swing range' of the structure 1, and has a reset function, and the embedded end 7 is adopted in combination with the connection between the bottom end of the frame column of the reinforced concrete frame 1 provided with the buckling-proof support 2 and the foundation 3, so that the structure generates a swing behavior, and the main structure is protected.
Claims (23)
1. The utility model provides a novel controlled shock-absorbing structure system that sways, its characterized in that, including structure (1), basis (3), buckling restrained brace (2), infilled wall (4), semi-automatic electromagnetic damper (5), install on structure (1) buckling restrained brace (2), infilled wall (4) liam is equipped with semi-automatic electromagnetic damper (5), structure (1) is fixed through stiff end (6) and inlay solid end (7) mode on basis (3).
2. The novel controlled sway damping architecture as set forth in claim 1, wherein: the structure (1) is a reinforced concrete frame structure, a shear wall structure, a frame-shear wall, a frame cylinder structure and a frame support
Shear wall structure, tube-in-tube structure, multi-tube structure, giant frame structure, and mixed structure.
3. The novel controlled sway damping architecture as set forth in claim 2, wherein: the structure (1) comprises a frame column and a frame beam which are provided with the buckling-restrained brace (2) and a frame column and a frame beam which are not provided with the buckling-restrained brace.
4. A novel controlled sway damping architecture as claimed in claim 3 wherein: the arrangement form of the buckling-restrained brace (2) comprises a cross arrangement, a herringbone arrangement and a single-inclined-rod arrangement.
5. The novel controlled sway damping architecture of claim 4, wherein: the arrangement mode of the buckling-restrained brace (2) comprises that the buckling-restrained brace is arranged at an edge span, at a mid-span, at the edge span and the mid-span, and is uniformly distributed at each span.
6. The novel controlled sway damping architecture of claim 5, wherein: and a buckling-restrained brace (2) is arranged between the frame column and the frame beam of one span or a plurality of spans of the structure (1), and the buckling-restrained brace (2) is not arranged between other frame columns and the frame beams of the structure.
7. The novel controlled sway damping architecture of claim 5, wherein: the bottom end of the frame column of the structure (1) without the buckling-restrained brace (2) is connected with the foundation (3) by a fixed end (6).
8. The novel controlled sway damping architecture of claim 5, wherein: the bottom end of the frame column of the structure (1) provided with the buckling-restrained brace (2) is connected with the foundation (3) by adopting an embedded end (7).
9. The novel controlled sway damping architecture of claim 8, wherein: the energy dissipation elements (8) at the embedded end (7) comprise steel plate energy dissipation elements and steel bar energy dissipation elements.
10. The novel controlled sway damping architecture of claim 8, wherein: the energy dissipation element (8) at the embedded end (7) comprises different cross section forms such as a uniform cross section and a variable cross section and different cross section parameters.
11. The novel controlled sway damping architecture of claim 10, wherein: the foundation (3) comprises shallow foundations such as a rib-free expansion foundation, a bar foundation, a box foundation, a raft foundation, an expansion foundation and an independent foundation, and deep foundations such as a pile foundation, an underground continuous wall, a pier foundation and a deep well.
12. The novel controlled sway damping architecture of claim 11, wherein: and an embedded part is arranged on the bottom surface of the frame column of the structure (1) provided with the buckling-restrained brace (2).
13. The novel controlled sway damping architecture of claim 12, wherein: and an embedded part is arranged on a foundation (3) which is in contact with the bottom surface of the frame column of the structure (1) provided with the buckling-restrained brace (2).
14. The novel controlled sway damping architecture of claim 12, wherein: and embedded parts are arranged on the peripheral surface of the bottom end of the frame column of the structure (1) provided with the buckling-restrained brace (2).
15. The novel controlled sway damping architecture of claim 14, wherein: and mounting a displacement sensor (10) on each layer of corner post or each layer of corner post and each layer of side post of the structure (1).
16. The novel controlled sway damping architecture of claim 15, wherein: the displacement sensor (10) is mounted on the structure (1) in a built-in mounting mode or an external mounting mode.
17. The novel controlled sway damping architecture of claim 16, wherein: and arranging the filler walls (4) in a side-by-side mode around each layer of the structure (1).
18. The novel controlled sway damping architecture of claim 17, wherein: the infill wall (4) is connected to the structure (1) by a flexible connection or a rigid connection.
19. The novel controlled sway damping architecture of claim 17, wherein: wall openings (9) such as door openings, window openings or decorative openings are arranged at proper positions in the filler wall (4).
20. The novel controlled sway damping architecture as recited in claim 19, further comprising: and embedded parts are arranged on the upper surface and the lower surface of a wall opening (9) in the filler wall (4).
21. The novel controlled sway damping architecture as recited in claim 19, further comprising: the semi-automatic electromagnetic damper (5) is placed in a wall opening (9) in the filler wall (4).
22. The novel controlled sway damping architecture of claim 21, wherein: the semi-automatic electromagnetic dampers (5) are arranged according to a layer-by-layer arrangement method, a plane symmetrical arrangement method, a plane asymmetric arrangement method, a method using control force as a control function, a method using interlayer displacement and layer displacement as control functions, and the like.
23. The novel controlled sway damping architecture of claim 21, wherein: the magnetic material of the semi-automatic electromagnetic damper (5) comprises iron, cobalt, nickel and oxides thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921253044.XU CN211523471U (en) | 2019-08-05 | 2019-08-05 | Novel controlled swing damping structure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921253044.XU CN211523471U (en) | 2019-08-05 | 2019-08-05 | Novel controlled swing damping structure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211523471U true CN211523471U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921253044.XU Expired - Fee Related CN211523471U (en) | 2019-08-05 | 2019-08-05 | Novel controlled swing damping structure system |
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| Country | Link |
|---|---|
| CN (1) | CN211523471U (en) |
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2019
- 2019-08-05 CN CN201921253044.XU patent/CN211523471U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 Termination date: 20210805 |
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| CF01 | Termination of patent right due to non-payment of annual fee |