CN113914496A - Energy dissipation extension arm of anti-failure additional amplification device - Google Patents
Energy dissipation extension arm of anti-failure additional amplification device Download PDFInfo
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- CN113914496A CN113914496A CN202111253648.6A CN202111253648A CN113914496A CN 113914496 A CN113914496 A CN 113914496A CN 202111253648 A CN202111253648 A CN 202111253648A CN 113914496 A CN113914496 A CN 113914496A
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- damper
- diamond
- amplifying device
- boom
- lower chord
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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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- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention belongs to the technical field of energy dissipation of buildings, and particularly relates to an energy dissipation boom of an additional amplification device for preventing failure. The invention comprises the following steps: the core barrel, the outer frame column and the outrigger truss; the core barrel is connected with the outer frame column through an outrigger truss; the outrigger truss is provided with an upper chord member, a lower chord member, an inclined web member and a diamond-shaped amplifying device; the rhombic amplifying device is arranged between the upper chord member and the inclined web member; the amplifying end at one side of the diamond amplifying device is connected with the lower chord through the damper; the other side amplifying end of the diamond amplifying device is connected with the lower chord through a damper. The energy dissipation is amplified through the diamond-shaped amplifying device, the working efficiency of the damper is effectively improved, the deformation and the deformation speed are amplified through the mechanical action under the action of small external force to excite the damper to act, a large amount of external input energy is consumed, the damage effect of the external input on a main body structure is reduced, the structural comfort and the anti-seismic safety performance are improved, and the method has important practical significance on the development of the super high-rise structure.
Description
Technical Field
The invention belongs to the technical field of energy dissipation of buildings, and particularly relates to an energy dissipation boom of an additional amplification device for preventing failure.
Background
Earthquake action and wind load action are two most prominent factors in super high-rise building design. The main points and difficulties of high-rise design are that the structural deformation and the wind resistance comfort degree do not exceed the limits of the specification under the action of earthquake and wind power. The super high-rise structure mostly adopts a peripheral frame column and a middle core tube structure system, an outrigger truss is arranged between the peripheral frame column and an inner core tube at a certain floor height, when the structure is acted by horizontal load, the stress and deformation conditions of the core tube and the periphery are adjusted through the coordination action of the outrigger truss, one side of the peripheral frame column is pressed, and the other side is pulled, so that the anti-overturning moment is formed, the earthquake and wind action is resisted, the structural deformation is reduced, and the action of the outrigger truss is very obvious. The damper is added in the outrigger truss reinforcing system, so that wind or earthquake input energy can be intensively dissipated through the damper, the reaction of the main body structure under the action of wind power or earthquake is reduced, and the aim of shock absorption is fulfilled. The damper needs a certain deformation amount or deformation speed when fully playing the energy consumption role, and for some structures or structures with small self lateral deformation under the action of medium and small earthquakes, the damper is difficult to fully play the working performance, the application is greatly restricted, and the existing outrigger truss needs to be technically improved in order to solve the problems.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide an energy dissipation boom of an anti-failure additional amplification device, which aims to solve the technical problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an energy dissipation boom of an anti-failure additional amplification device, which comprises: the core barrel, the outer frame column and the outrigger truss; the core tube is connected with the outer frame column through the outrigger truss; the outrigger truss is provided with an upper chord member, a lower chord member, an inclined web member and a diamond-shaped amplifying device; the rhombic amplification device is arranged between the upper chord and the inclined web member; the amplifying end at one side of the diamond amplifying device is connected with the lower chord through a damper; and the other side amplifying end of the diamond amplifying device is connected with the lower chord through a damper.
Preferably, the outrigger truss further includes: a limiting device; and the limiting device is arranged on the side surfaces of the upper chord and the outer frame column.
Preferably, the upper chord is provided with a positioning ear plate; the inclined web member is provided with a positioning lug plate; the pin shaft connecting hole of the rhombic amplification device is connected with the positioning ear plate through a pin shaft; and the pin shaft connecting hole of the rhombic amplifying device is connected with the positioning ear plate through a pin shaft.
Preferably, the dampers and the damper are vertically distributed in parallel;
the upper end of the damper is connected with the diamond-shaped amplifying device and the damper connecting hole, and the lower end of the damper is connected with the lower chord through a bracket;
the lower end of the damper is connected with a damper connecting hole of the rhombic amplification device, and the lower end of the damper is connected with the lower chord through a bracket.
Preferably, the periphery of the rhombic amplification device is provided with a reinforcing rib plate; and a reinforcing rib plate is arranged on the inner side of the rhombic amplification device.
By adopting the technical scheme, the invention has the following beneficial effects:
the energy dissipation is amplified through the diamond device, the working efficiency of the damper is effectively improved, the deformation and the deformation speed are amplified through the mechanical action under the action of small external force to excite the damper, a large amount of external input energy is consumed, the damage effect of the external input on a main body structure is reduced, the structural comfort and the anti-seismic safety performance are improved, and the method has important practical significance on the development of the super high-rise structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of an energy dissipating boom with an anti-failure and amplification technology arranged vertically in a building;
FIG. 2 is a schematic plan view of an energy dissipating boom of the present invention between a core tube and an outer frame column according to the anti-failure and amplification technique;
FIG. 3 is a schematic view of an enlarged technical energy dissipating boom in elevation view of an anti-failure belt according to the present invention;
FIG. 4 is a schematic diagram of a modification of the diamond-shaped amplifying device of the present invention
FIG. 5 is a schematic diagram of the amplifying device of the present invention;
FIG. 6 is a schematic view of a diamond shaped magnifying device of the present invention;
FIG. 7 is a schematic view of a guide slot of the amplification device of the present invention;
FIG. 8 is a schematic view of the damper of the present invention preventing out-of-plane buckling.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Referring to fig. 1 to 8, the present embodiment provides an energy dissipating boom of an anti-failure additional amplification device, which includes: a core barrel 10, an outer frame column 20 and an outrigger truss 30; the core tube 10 and the outer frame column 20 are connected through the outrigger truss 30; the outrigger truss 30 is provided with an upper chord 31, a lower chord 32, an inclined web member and a diamond-shaped amplifying device 40; the rhombic amplifying device 40 is arranged between the upper chord 31 and the inclined web member; one side enlarged end of the diamond-shaped enlarging device 40 is connected with the lower chord 32 through a damper 351; the other enlarged end of the diamond shaped enlarging device 40 is connected to the lower chord 32 by a damper 352. The energy dissipation is amplified through the rhombus amplifying device 40, the working efficiency of the damper is effectively improved, under the action of small external force, the deformation and the deformation speed are amplified through mechanical action to excite the damper, a large amount of external input energy is consumed, the damage effect of external input on a main body structure is reduced, the structural comfort and the anti-seismic safety performance are improved, and the method has important practical significance on the development of super high-rise structures.
In this embodiment, the dampers 351 and 352 are preferably velocity-type viscous dampers, and the material and the manufacturing process thereof should meet the requirements of the "energy dissipation and damping technology for buildings".
In the embodiment, the damper is arranged in the truss, and under the action of wind power and earthquake force and the action of wind load and earthquake force, the damper is effectively amplified through the amplification effect of the diamond device, so that the energy consumption efficiency of the damper is fully exerted, the additional damping ratio of the structure is improved, and the damage effect of external input on the main structure is reduced. The damper does not play a role in a static state and does not contribute to rigidity, and viscous liquid of the damper passes through the damping channel under the action of pressure difference under the action of horizontal loads such as wind load, earthquake load and the like, so that damping force is generated.
In this embodiment, preferably, the diagonal web member includes: the oblique web member 332 and the oblique web member 331, and the position where the oblique web member 332 and the oblique web member 331 intersect is provided with a positioning ear plate 37. The vertical web member 34 is arranged below the intersecting position of the diagonal web member 332 and the diagonal web member 331. Of course, the arrangement form of the diagonal web members is not unique, and the diagonal web members can be flexibly arranged according to actual needs.
In this embodiment, preferably, the outrigger truss 30 further includes: a limiting device; the limiting device is arranged on the side surfaces of the upper chord 31 and the outer frame column 20.
Specifically, stop device includes: the limiting device 412, the limiting device 411 and the boom truss band limiting device can protect the damper from failure when the deformation is too large, and can play a role in strengthening the lateral movement of the reducing structure of the common boom truss.
In the present embodiment, it is preferable that the upper chord 31 is provided with a positioning ear plate 37; the inclined web member is provided with a positioning ear plate 36; the pin shaft connecting hole 404 of the diamond-shaped amplifying device 40 is connected with the positioning ear plate 37 through a pin shaft 391; the pin connecting hole 405 of the diamond-shaped amplifying device 40 is connected with the positioning ear plate 36 through a pin 392.
In this embodiment, preferably, the positioning ear plates 36 and 37 are all arranged symmetrically along the center line of the truss in 2 pieces, and the specific thickness and size are according to the engineering requirements.
Preferably, the damper 351 and the damper 352 are vertically distributed in parallel; wherein, the upper end of the damper 351 is connected with the diamond-shaped amplifying device 40 and the damper connecting hole 403, and the lower end of the damper 351 is connected with the lower chord 32 through a bracket; wherein, the lower end of the damper 352 is connected with the damper connecting hole 402 of the diamond-shaped amplifying device 40, and the lower end of the damper 352 is connected with the lower chord 32 through a bracket.
Preferably, the periphery of the diamond-shaped amplifying device 40 is provided with a reinforcing rib 401; the diamond-shaped amplification device 40 is provided with a reinforcement rib 406 on the inner side. Preferably, the diamond shaped amplifying device 40 is made of Q420GJ steel.
In this embodiment, under the action of wind and seismic force, the outrigger truss 30 plays a role in adjusting the stress and deformation conditions of the core cylinder and the periphery, the structure generates lateral displacement and interlayer displacement, and the upper chord 31 and the lower chordThe rod 32 generates horizontal action to drive the amplifying device 40 to generate relative rotation, the deformation amount and the deformation speed are amplified through the mechanical action of the unequal arms, the damper is excited to work quickly, the rotation angle of the diamond amplifying device is the same, and delta is delta2To act on the deformation effect, Delta, of the damper 351 after amplification3To amplify the effect of the deformation acting on the damper 352. The amplification efficiency of the diamond amplification device to the damper depends on the length (L) of the amplification ends at two sides2、L3) And L1Length ratio, amplification factor as follows:
η1＝Δ2/Δ1＝L2/L1
η2＝Δ3/Δ1＝L3/L1
in this embodiment, preferably, the enlarged end of the diamond-shaped enlarging device 40 is provided with vertical guide grooves at the core tube 10 and the outer frame column 20, the guide grooves can be fixed on the wall column by embedding or welding, the length of the guide grooves is set according to specific engineering requirements, the inner side of the guide grooves is provided with polytetrafluoroethylene plates 51, the outer side of the guide grooves is provided with lateral reinforcing supports 52, and the distance is determined according to the engineering requirements.
In this embodiment, it is preferable that the core tube 10 and the outer frame column 20 are respectively provided with an out-of-plane anti-buckling device along the vertical direction of the damper, and the out-of-plane anti-buckling device is provided with a lateral reinforcing support 52, and the distance is according to the engineering requirement.
In conclusion, the energy dissipation is amplified through the diamond device, the working efficiency of the damper is effectively improved, the deformation and the deformation speed are amplified through the mechanical action under the action of small external force to excite the damper to act, a large amount of external input energy is consumed, the damage effect of the external input on a main body structure is reduced, the structural comfort and the anti-seismic safety performance are improved, and the method has important practical significance on the development of the super high-rise structure.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. An energy dissipating boom for an anti-failure add-on amplifier, comprising: the device comprises a core barrel (10), an outer frame column (20) and an outrigger truss (30); the core barrel (10) is connected with the outer frame column (20) through the outrigger truss (30); the outrigger truss (30) is provided with an upper chord (31), a lower chord (32), an inclined web member and a diamond-shaped amplifying device (40); the rhombic amplifying device (40) is arranged between the upper chord (31) and the inclined web member; one side amplification end of the diamond amplification device (40) is connected with the lower chord (32) through a damper (351); the other side amplification end of the diamond amplification device (40) is connected with the lower chord (32) through a damper (352).
2. The energy dissipating boom of an anti-failure additional magnification device as claimed in claim 1, wherein the boom truss (30) further comprises: a limiting device; the limiting device is arranged on the side faces of the upper chord (31) and the outer frame column (20).
3. The energy dissipating boom of an additional magnification device against loss of action according to claim 1, characterized in that the upper chord (31) is provided with positioning lugs (37); the inclined web member is provided with a positioning ear plate (36); the pin shaft connecting hole (404) of the rhombic amplifying device (40) is connected with the positioning ear plate (37) through a pin shaft (391); the pin shaft connecting hole (405) of the diamond-shaped amplifying device (40) is connected with the positioning ear plate (36) through a pin shaft (392).
4. The energy dissipating boom of an anti-failure additional amplification device as claimed in claim 1, wherein the dampers (351) are vertically arranged in parallel with the dampers (352);
wherein the upper end of the damper (351) is connected with the diamond-shaped amplifying device (40) and the damper connecting hole (403), and the lower end of the damper (351) is connected with the lower chord (32) through a bracket;
wherein the lower end of the damper (352) is connected with the damper connecting hole (402) of the diamond-shaped amplifying device (40), and the lower end of the damper (352) is connected with the lower chord (32) through a bracket.
5. The energy dissipating boom of an additional anti-failure amplifier as claimed in claim 1, wherein the diamond amplifier (40) is provided with reinforcing ribs (401) around its periphery; and a reinforcing rib plate (406) is arranged on the inner side of the rhombic amplification device (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111253648.6A CN113914496A (en) | 2021-10-27 | 2021-10-27 | Energy dissipation extension arm of anti-failure additional amplification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111253648.6A CN113914496A (en) | 2021-10-27 | 2021-10-27 | Energy dissipation extension arm of anti-failure additional amplification device |
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| Publication Number | Publication Date |
|---|---|
| CN113914496A true CN113914496A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111253648.6A Pending CN113914496A (en) | 2021-10-27 | 2021-10-27 | Energy dissipation extension arm of anti-failure additional amplification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838078A (en) * | 2022-03-17 | 2022-08-02 | 北京工业大学 | Amplification damping transmission system for vibration control of wind driven generator |
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| JP2004137680A (en) * | 2002-10-15 | 2004-05-13 | Univ Nihon | Space structure and domed roof |
| CN102383503A (en) * | 2011-08-26 | 2012-03-21 | 中国江西国际经济技术合作公司 | Truss imitating type damper structure transfer layer |
| CN209637104U (en) * | 2019-01-29 | 2019-11-15 | 西安建筑科技大学 | A kind of moving seesaw-type mechanism semi-girder truss energy-dissipating and shock-absorbing system |
| CN113374109A (en) * | 2021-07-07 | 2021-09-10 | 北京市建筑设计研究院有限公司 | Seesaw type amplification energy dissipation extension arm capable of preventing external instability |
-
2021
- 2021-10-27 CN CN202111253648.6A patent/CN113914496A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004137680A (en) * | 2002-10-15 | 2004-05-13 | Univ Nihon | Space structure and domed roof |
| CN102383503A (en) * | 2011-08-26 | 2012-03-21 | 中国江西国际经济技术合作公司 | Truss imitating type damper structure transfer layer |
| CN209637104U (en) * | 2019-01-29 | 2019-11-15 | 西安建筑科技大学 | A kind of moving seesaw-type mechanism semi-girder truss energy-dissipating and shock-absorbing system |
| CN113374109A (en) * | 2021-07-07 | 2021-09-10 | 北京市建筑设计研究院有限公司 | Seesaw type amplification energy dissipation extension arm capable of preventing external instability |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838078A (en) * | 2022-03-17 | 2022-08-02 | 北京工业大学 | Amplification damping transmission system for vibration control of wind driven generator |
| CN114838078B (en) * | 2022-03-17 | 2024-02-06 | 北京工业大学 | Amplification damping transmission system for vibration control of wind driven generator |
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