CN112726863A - Novel damping device for well-shaped building - Google Patents
Novel damping device for well-shaped building Download PDFInfo
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- CN112726863A CN112726863A CN202110008783.8A CN202110008783A CN112726863A CN 112726863 A CN112726863 A CN 112726863A CN 202110008783 A CN202110008783 A CN 202110008783A CN 112726863 A CN112726863 A CN 112726863A
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- 238000013016 damping Methods 0.000 title claims abstract description 93
- 229920000642 polymer Polymers 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 18
- 238000010521 absorption reaction Methods 0.000 abstract description 16
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 16
- 230000009471 action Effects 0.000 abstract description 7
- 238000010008 shearing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011982 device technology Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 241000208140 Acer Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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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
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- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a novel damping device for a well-shaped building, which comprises: the first building beam, the second building beam, the third building beam and the fourth building beam are arranged in a # -shaped structure, under the action of the viscoelastic damper, the fixing plate drives the polymer damping layer on the sliding plate to swing left and right in the hysteresis groove in the restraint frame, energy is dissipated by utilizing the shearing hysteresis deformation of the polymer damping layer, so that the well-shaped structure formed by the first building beam, the second building beam, the third building beam and the fourth building beam has the energy dissipation and shock absorption functions in the left and right directions, the # -shaped structure formed by the first building beam, the second building beam, the third building beam and the fourth building beam has the energy dissipation and shock absorption functions in the front-back direction.
Description
Technical Field
The invention belongs to the technical field related to building structures, and particularly relates to a novel damping device for a well-shaped building.
Background
Damping refers to the physical phenomenon of a swaying or vibrating system being retarded so that energy is dissipated over time. The damping helps to reduce the resonance amplitude of the mechanical maple structure, so that structural damage caused by the fact that dynamic stress reaches the limit is avoided, the damping helps to quickly recover to a stable state after a mechanical system is subjected to transient impact, and the damping helps to reduce the capability of the structure for transmitting vibration. Therefore, with the continuous improvement of scientific technology, the damping is widely applied to various building structures, and in the design of the vibration isolation structure in the building field, the damping technology is reasonably applied, so that the vibration isolation and vibration reduction effects are obviously improved, and the stability of the building structure is greatly improved.
The prior damping device technology has the following problems: the existing damping device for the shaft-shaped building is difficult to buffer and offset vibration force applied to the whole shaft-shaped building through the damping device at present, energy dissipation and shock absorption cannot be well performed on each component beam structure of the shaft-shaped building, the existing damping device for the shaft-shaped building is complex in structure and installation and brings inconvenience to installation, and therefore the invention provides the novel damping device for the shaft-shaped building.
Disclosure of Invention
The invention aims to provide a novel damping device for a well-shaped building, which aims to solve the problems that the existing damping device for the well-shaped building in the building field proposed in the background technology is difficult to buffer and offset the vibration force applied to the whole well-shaped building through the damping device, each component beam structure of the well-shaped building cannot be well subjected to energy dissipation and shock absorption, and the damping device is complicated in structure and complex to install.
In order to achieve the purpose, the invention provides the following technical scheme: a novel damping device for well-shaped buildings comprises: the building structure comprises a first building beam, a second building beam, a third building beam and a fourth building beam, wherein one end of the first building beam is fixedly connected with the second building beam, one end of the second building beam is fixedly connected with the third building beam, one end of the third building beam is fixedly connected with the fourth building beam, the first building beam, the second building beam, the third building beam and the fourth building beam are constructed into a well-shaped structure, the central parts of the first building beam, the second building beam, the third building beam and the fourth building beam are provided with stand columns, damping assemblies are connected between the stand columns and the first building beam, the second building beam, the third building beam and the fourth building beam, viscoelastic dampers are fixed at the lower ends of the first building beam, the second building beam, the third building beam and the fourth building beam, the viscoelastic dampers are provided with two viscoelastic dampers, and a viscous fluid damper is connected between the two viscoelastic dampers, fixing seats are fixed on the opposite inner walls of the two viscoelastic dampers, and bases are arranged on the lower sides of the two viscoelastic dampers.
Preferably, the viscoelastic damper comprises a fixed plate, a sliding plate, a constraint frame, a polymer damping layer and a hysteresis groove, wherein the polymer damping layer is fixed on the outer walls of the front end and the rear end of the sliding plate, the hysteresis groove is arranged in the constraint frame, the fixed plate is fixed at the upper end of the sliding plate, the sliding plate and the polymer damping layer are sleeved in the hysteresis groove, and the sliding plate, the constraint frame and the polymer damping layer are processed and manufactured by a vulcanization process.
Preferably, viscous fluid damper is provided with two altogether, viscous fluid damper includes viscous medium, first cylinder cap, first ear, piston rod, piston piece, sealing layer, cylinder body, second and draws ear, second cylinder cap and damping hole, the second draws the ear to be fixed in the one end of cylinder body, the inside of cylinder body is located to the piston rod cover, the one end of piston rod is fixed with first ear of drawing, the outer wall cover of piston rod is equipped with the piston piece, the cylinder body is fixed with the second cylinder cap by the one end that the ear was drawn to the second, the cylinder body is fixed with first cylinder cap by the one end that the ear was drawn to the first, the inside of first cylinder cap and second cylinder cap all is fixed with the sealing layer, the inside packing of cylinder body has the viscous medium, the damping hole has been seted up to the inside of piston piece.
Preferably, eight damping components are arranged, the eight damping components are respectively located at the joint of the opposite inner walls of the first building beam and the fourth building beam, the opposite inner walls of the first building beam and the third building beam and the first building beam, the second building beam, the third building beam and the fourth building beam, and the joint of the damping components and the first building beam, the second building beam, the third building beam and the fourth building beam is fixedly connected through wedge blocks.
Preferably, the fixing plate, the sliding plate and the constraint frame are all steel structures, and the fixing plate is fixedly connected with the second building beam and the fourth building beam in a welding mode.
Preferably, the first pull lug and the second pull lug are both connected to the fixing seat through a shaft.
Preferably, a supporting spring is fixedly connected between the base and the viscoelastic damper at equal intervals and uniformly.
Compared with the prior damping device technology, the invention provides a novel damping device for a well-shaped building, which has the following beneficial effects:
firstly, a viscoelastic damper is fixed at the lower ends of a first building beam, a second building beam, a third building beam and a fourth building beam, when a well-shaped structure consisting of the first building beam, the second building beam, the third building beam and the fourth building beam vibrates in a left-right distance, under the action of the viscoelastic damper, a fixing plate drives a high-molecular damping layer on a sliding plate to swing left and right in a hysteretic groove in a constraint frame by driving, and energy is dissipated by utilizing shearing hysteretic deformation of the high-molecular damping layer, so that the well-shaped structure consisting of the first building beam, the second building beam, the third building beam and the fourth building beam has an energy dissipation and shock absorption function in the left-right direction;
secondly, viscous fluid dampers are connected between the two viscoelastic dampers, the piston block is driven by the piston rod to move in the cylinder body, at the moment, viscous medium injected into the cylinder body flows through a damping hole formed in the piston block and flows from one end of the piston block to the other end of the piston block, and damping force opposite to the movement direction is generated in the process that the viscous medium flows through the damping hole, so that the purposes of energy dissipation and shock absorption are achieved, and a well-shaped structure formed by the first building beam, the second building beam, the third building beam and the fourth building beam has the functions of energy dissipation and shock absorption in the front-back direction;
thirdly, the damping assemblies are arranged on the inner sides of the first building beam, the second building beam, the third building beam and the fourth building beam, when strong vibration is generated, force generated by the vibration is guided and transmitted through the damping assemblies and consumed, and the damping assemblies are uniformly distributed on the inner sides of the first building beam, the second building beam, the third building beam and the fourth building beam in a circular ring shape, so that the vibration transmission effect is more comprehensive;
and fourthly, the supporting springs are fixedly connected between the base and the viscoelastic damper at equal intervals, and the viscoelastic damper can slightly float up and down to buffer and offset the force generated by vibration when the viscoelastic damper is strongly vibrated in the up-down direction by utilizing the good elastic performance of the supporting springs, so that the well-shaped structure formed by the first building beam, the second building beam, the third building beam and the fourth building beam has energy dissipation and shock absorption capacity in the up-down direction.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic perspective view of a novel well-shaped damping device according to the present invention;
FIG. 2 is a schematic view of the assembly structure of the damping assembly according to the present invention;
FIG. 3 is a schematic diagram of the viscoelastic damper assembly according to the present invention;
FIG. 4 is a schematic view of the viscous fluid damper according to the present invention;
in the figure: 1. a first building beam; 2. a second building beam; 3. a third building beam; 4. a fourth building beam; 5. a wedge block; 6. a column; 7. a damping assembly; 8. a fixed seat; 9. a viscous fluid damper; 10. a base; 11. a support spring; 12. a viscoelastic damper; 13. a fixing plate; 14. a slide plate; 15. a confinement frame; 16. a polymer damping layer; 17. a stagnation tank; 18. a viscous medium; 19. a first cylinder head; 20. a first pull tab; 21. a piston rod; 22. a piston block; 23. a sealing layer; 24. a cylinder body; 25. a second pull tab; 26. a second cylinder head; 27. a damping hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a novel damping device for well-shaped buildings comprises: a first building beam 1, a second building beam 2, a third building beam 3 and a fourth building beam 4, wherein one end of the first building beam 1 is fixedly connected with the second building beam 2, one end of the second building beam 2 is fixedly connected with the third building beam 3, one end of the third building beam 3 is fixedly connected with the fourth building beam 4, the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 are constructed into a well-shaped structure, the central parts of the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 are provided with an upright post 6, damping components 7 are connected between the upright post 6 and the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4, the lower ends of the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 are fixed with viscoelastic devices 12, and the total number of the viscoelastic devices 12 is two, under the action of the two viscoelastic dampers 12, a # -shaped structure formed by the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 can be supported, a viscous fluid damper 9 is connected between the two viscoelastic dampers 12, the front and back movement of the viscoelastic dampers 12 can be restrained and buffered through the viscous fluid damper 9, fixed seats 8 are fixed on the opposite inner walls of the two viscoelastic dampers 12, and a base 10 is arranged on the lower sides of the two viscoelastic dampers 12.
In order to enable a well-shaped structure formed by a first building beam 1, a second building beam 2, a third building beam 3 and a fourth building beam 4 to have energy dissipation and shock absorption functions in the left-right direction, a viscoelastic damper 12 comprises a fixing plate 13, a sliding plate 14, a constraint frame 15, a polymer damping layer 16 and a hysteresis groove 17, the polymer damping layer 16 is fixed on the outer wall of the front end and the rear end of the sliding plate 14, the hysteresis groove 17 is arranged inside the constraint frame 15, the fixing plate 13 is fixed at the upper end of the sliding plate 14, the sliding plate 14 and the polymer damping layer 16 are sleeved inside the hysteresis groove 17, the sliding plate 14, the constraint frame 15 and the polymer damping layer 16 are processed and manufactured by adopting a vulcanization process, when the well-shaped structure formed by the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 shakes left and right, under the action of the viscoelastic damper 12, the fixing plate 13 drives the polymer damping layer 16 on the sliding plate 14, the damping frame is rocked left and right in the hysteresis groove 17 in the restraint frame 15, energy is dissipated by utilizing shear hysteresis deformation of the high-molecular damping layer 16, and the damping frame has good shock resistance.
In order to enable the two viscoelastic dampers 12 to have the energy dissipation and shock absorption functions in the front-rear direction, two viscous fluid dampers 9 are arranged, each viscous fluid damper 9 comprises a viscous medium 18, a first cylinder cover 19, a first pull lug 20, a piston rod 21, a piston block 22, a sealing layer 23, a cylinder body 24, a second pull lug 25, a second cylinder cover 26 and a damping hole 27, the second pull lug 25 is fixed at one end of the cylinder body 24, the piston rod 21 is sleeved inside the cylinder body 24, the first pull lug 20 is fixed at one end of the piston rod 21, the piston block 22 is sleeved on the outer wall of the piston rod 21, the second cylinder cover 26 is fixed at one end of the cylinder body 24 close to the second pull lug 25, the first cylinder cover 19 is fixed at one end of the cylinder body 24 close to the first pull lug 20, the sealing layer 23 is fixed inside the first cylinder cover 19 and the second cylinder cover 26, the viscous medium 18 is filled inside the cylinder body 24, the damping hole 27 is opened inside the piston block, the piston block 22 is driven by the piston rod 21 to move in the cylinder body 24, at this time, the viscous medium 18 injected into the cylinder body 24 flows through the damping hole 27 formed in the piston block 22, flows from one end of the piston block 22 to the other end, and generates a damping force opposite to the movement direction in the process that the viscous medium 18 flows through the damping hole 27, so that the purposes of energy dissipation and shock absorption are achieved.
In order to make the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 have good energy consumption effect, eight damping assemblies 7 are arranged, eight damping assemblies 7 are respectively arranged at the junctions of the opposite inner walls of the first building beam 1 and the fourth building beam 4, the opposite inner walls of the first building beam 1 and the third building beam 3 and the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4, the damping assemblies 7 are fixedly connected with the junctions of the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 through wedges 5, wherein, the working principle of the damping assemblies 7 and the viscous fluid damper 9 is the same, when the first building beam 1 or the second building beam 2 or the third building beam 3 or the fourth building beam 4 generates strong vibration, the force generated by the vibration is guided and transmitted through the damping assemblies 7 and consumed, and because the damping components 7 are uniformly distributed on the inner sides of the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 in a circular ring shape, the seismic transmission effect is more comprehensive.
Fixed plate 13, slide 14 and restraint frame 15 are the steel construction, and fixed plate 13 all passes through welded mode fixed connection with second building roof beam 2 and fourth building roof beam 4, makes between fixed plate 13 and second building roof beam 2 and the fourth building roof beam 4 be connected closely firmly like this, improves the structural stability between fixed plate 13 and second building roof beam 2 and the fourth building roof beam 4 greatly.
The first pull lug 20 and the second pull lug 25 are both connected with the fixed seat 8 through a shaft, so that the first pull lug 20 and the second pull lug 25 can rotate relative to the fixed seat 8.
In order to enable the # -shaped structure formed by the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 to have energy dissipation and shock absorption capacity in the vertical direction, the supporting springs 11 are fixedly connected between the base 10 and the viscoelastic damper 12 at equal intervals, and the viscoelastic damper 12 can slightly float up and down to buffer and offset the force generated by vibration by utilizing the good elastic performance of the supporting springs 11 when strong vibration in the vertical direction is received.
The working principle and the using process of the invention are as follows: after the invention is installed, when the invention is used for working, when a well-shaped structure consisting of a first building beam 1, a second building beam 2, a third building beam 3 and a fourth building beam 4 vibrates left and right at a distance, under the action of a viscoelastic damper 12, a fixed plate 13 drives a high-molecular damping layer 16 on a sliding plate 14 to swing left and right in a hysteretic groove 17 in a constraint frame 15, and energy is dissipated by shearing hysteretic deformation of the high-molecular damping layer 16, so that the well-shaped structure consisting of the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 has an energy dissipation and shock absorption function in the left and right directions, and when the well-shaped structure consisting of the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 vibrates front and back at a distance, under the action of a viscous fluid damper 9, the piston block 22 is driven by the piston rod 21 to move in the cylinder body 24, at this time, the viscous medium 18 injected into the cylinder body 24 flows through the damping hole 27 formed in the piston block 22 and flows from one end of the piston block 22 to the other end, and the viscous medium 18 generates a damping force opposite to the movement direction in the process of flowing through the damping hole 27, so that the purpose of energy dissipation and shock absorption is achieved, and the well-shaped structure formed by the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 has the function of energy dissipation and shock absorption in the front-back direction.
When the first or second or third or fourth construction beam 1, 2, 3, 4 according to the invention vibrates strongly, the forces generated by the vibrations are guided and dissipated through the damping assembly 7 between the building beam and the column 6, wherein the working principle of the damping component 7 is the same as that of the viscous fluid damper 9, and because the damping component 7 is uniformly distributed on the inner sides of the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 in a circular ring shape, the shock transmission effect of each building beam is better, when the building beam is strongly vibrated in the up-and-down direction, the viscoelastic damper 12 can float up and down slightly under the action of the supporting spring 11, buffer and counteract the force generated by vibration, therefore, the well-shaped structure formed by the first building beam 1, the second building beam 2, the third building beam 3 and the fourth building beam 4 has energy dissipation and shock absorption capacity in the vertical direction.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110008783.8A CN112726863A (en) | 2021-01-05 | 2021-01-05 | Novel damping device for well-shaped building |
| PCT/CN2021/133955 WO2022148178A1 (en) | 2021-01-05 | 2021-11-29 | New-type damping device for #-shaped building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110008783.8A CN112726863A (en) | 2021-01-05 | 2021-01-05 | Novel damping device for well-shaped building |
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| Publication Number | Publication Date |
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| CN112726863A true CN112726863A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110008783.8A Pending CN112726863A (en) | 2021-01-05 | 2021-01-05 | Novel damping device for well-shaped building |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112726863A (en) |
| WO (1) | WO2022148178A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022148178A1 (en) * | 2021-01-05 | 2022-07-14 | 常州工学院 | New-type damping device for #-shaped building |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370031B (en) * | 2022-09-08 | 2024-06-18 | 浙江大地钢结构有限公司 | Viscous fluid damper and steel structure system |
| CN116290439A (en) * | 2023-03-09 | 2023-06-23 | 西安建筑科技大学 | A self-resetting viscous damper with variable damping |
| CN117684680B (en) * | 2024-02-04 | 2024-04-16 | 中国二十二冶集团有限公司 | Self-repairing damper applied between connecting beams |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022148178A1 (en) * | 2021-01-05 | 2022-07-14 | 常州工学院 | New-type damping device for #-shaped building |
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| Publication number | Publication date |
|---|---|
| WO2022148178A1 (en) | 2022-07-14 |
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Application publication date: 20210430 |