CN114809278B - Rotary friction energy dissipation device with wing edges for beam column node connection - Google Patents
Rotary friction energy dissipation device with wing edges for beam column node connection Download PDFInfo
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- CN114809278B CN114809278B CN202210302586.1A CN202210302586A CN114809278B CN 114809278 B CN114809278 B CN 114809278B CN 202210302586 A CN202210302586 A CN 202210302586A CN 114809278 B CN114809278 B CN 114809278B
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- splice
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- 230000021715 photosynthesis, light harvesting Effects 0.000 title claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 86
- 239000010959 steel Substances 0.000 claims abstract description 86
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 10
- 239000010951 brass Substances 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 8
- 238000005265 energy consumption Methods 0.000 claims abstract description 6
- 238000005488 sandblasting Methods 0.000 claims abstract description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 7
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/025—Structures with concrete columns
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to the field of earthquake resistance and energy consumption of building structures, in particular to a rotary friction energy consumption device with a flange for beam column node connection, which is characterized by comprising a first connecting part, a second connecting part, a front channel steel splicing part, a rear channel steel splicing part and a plurality of high-strength friction bolts; the first connecting part is formed by welding a first connecting end plate, a first web plate, an upper flange and a lower flange; the second connecting part is formed by welding a second connecting end plate, a second web plate, an upper flange and a lower flange; the right side of the front channel steel splice piece and the right side of the rear channel steel splice piece are fixedly installed with the second connecting component, and the left side of the front channel steel splice piece and the first connecting component can be installed in a friction swinging way; the inner friction surfaces of the front channel steel splice and the rear channel steel splice are subjected to sand blasting treatment or covered by steel-brass sheets, meanwhile, the first web is a pure bare steel member, under the action of an earthquake, the earthquake input energy is dissipated, and the energy dissipater can effectively transfer the bending moment of the beam end without losing the bending bearing capacity.
Description
Technical Field
The invention relates to the field of earthquake resistance and energy consumption of building structures, in particular to a rotary friction energy consumption device with a flange, which is used for beam column node connection.
Background
In recent years, the population bonus of China gradually disappears, and the continuous rise of labor cost also causes the phenomenon of 'labor waste' in the building industry to occur frequently; in addition, the traditional site construction method has the common problems of serious environmental pollution, serious water resource waste, poor engineering quality, high construction waste yield and the like. In order to promote sustainable development of the building industry and continuously promote environmental protection and energy conservation, the state and society pay more attention to building industrialization, especially to an assembled concrete structure system, and each level of government also sequentially formulates and brings out a series of policy measures to promote the development of the building industrialization.
Fabricated concrete frame structures are one of the most common and most widely used fabricated structural systems. Past post-earthquake disaster investigation finds that the assembled concrete frame structure has serious earthquake damage, and beam column nodes are the weak points of connection. It is desirable to provide a connector that combines energy dissipation and is mounted to beam-column joints of an assembled concrete frame structure to protect the joints from seismic damage. The beam-column joint is deformed mainly by bending deformation, so that the energy dissipation device is required to generate energy dissipation by rotation deformation.
Based on the above, the invention designs a rotary friction energy dissipation device with a flange for beam-column node connection, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a rotary friction energy dissipation device with a flange for beam column node connection, so as to solve the technical problems.
In order to achieve the above purpose, the invention provides the following technical scheme:
the wing edge rotation friction energy dissipation device for beam column node connection comprises a first connecting component connected with a column end, a second connecting component connected with a beam end, a front channel steel splicing piece, a rear channel steel splicing piece and a plurality of high-strength friction bolts;
the first connecting part is formed by welding a first connecting end plate, a first web plate, an upper flange and a lower flange;
the second connecting part is formed by welding a second connecting end plate, a second web plate, an upper flange and a lower flange;
the front channel steel splice piece and the rear channel steel splice piece are arranged in a back-and-forth mode, the right side of the front channel steel splice piece and the rear channel steel splice piece are fixedly installed with the second connecting component, and the left side of the front channel steel splice piece and the first connecting component can be installed in a friction swinging mode;
the inner friction surfaces of the front channel steel splice and the rear channel steel splice are subjected to sand blasting treatment or covered by steel-brass sheets, and meanwhile, the first web is a pure bare steel member.
Preferably, the second web plate, the right side of the front channel steel splicing piece and the right side of the rear channel steel splicing piece are correspondingly provided with a plurality of web plate fixing bolt holes, and a plurality of high-strength friction bolts sequentially penetrate through the corresponding web plate fixing bolt holes to connect the second web plate with the front channel steel splicing piece and the rear channel steel splicing piece.
Preferably, the number of the web fixing bolt holes and the corresponding number of the bolts on the second web are 6 or 8, and the second web is arranged in a rectangular shape.
Preferably, a plurality of circular arc slotted holes with the same center are formed in the first web plate, a plurality of corresponding web plate movable bolt holes are formed in the left side of the front channel steel splicing piece and the left side of the rear channel steel splicing piece, and a plurality of high-strength friction bolts penetrate through the circular arc slotted holes and the corresponding web plate movable bolt holes to connect the first web plate with the front channel steel splicing piece and the rear channel steel splicing piece.
Preferably, the length of the central line of the arc slot is L, the radius of the circular track corresponding to the arc slot is R, and under the action of an earthquake, the second connecting component drives the front channel steel splicing component and the rear channel steel splicing component to generate a corner alpha with the first connecting component, and if alpha is less than or equal to [ alpha ], L is less than or equal to [ alpha ] R.
Preferably, the number of the arc slot holes and the corresponding number of the bolts are 4, 6 or 8, and the arc slot holes and the corresponding bolts are circularly arranged.
Preferably, a plurality of end plate bolt holes are formed in the first connecting end plate of the first connecting component and the second connecting end plate of the second connecting component, and are used for being connected with the prefabricated Liang Zhuduan by bolts.
Preferably, the main body materials of the first connecting component, the second connecting component, the front channel steel splice and the rear channel steel splice are Q235 or Q345;
preferably, the right two corners of the first web are provided with chamfers.
Preferably, the thickness of the steel-brass sheet is 2mm, and epoxy resin is adopted to be bonded with the outer wall of the channel steel web plate.
Compared with the prior art, the invention has the beneficial effects that:
the rotary friction energy dissipation device with the flange is specially used for beam column node connection of an assembled concrete frame structure, and has high pertinence.
The rotary friction energy dissipater with the flange is arranged at a position with rotary deformation in a building structure, adopts steel-brass sheets, has more stable friction property, can absorb energy in the earthquake input structure, and reduces damage to the building structure.
The rotary friction energy dissipater with the flange is characterized by being provided with the flange, so that the secondary moment of inertia of the section of the energy dissipater is increased, the energy dissipater can effectively transfer the bending moment of the beam end under the non-vibration working condition, and the bending bearing capacity is not lost.
The rotary friction energy dissipation device with the flange is connected by bolts, and is easy to install, detach and replace.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the invention, the drawings that are needed for the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a flanged rotary friction damper of the present invention;
FIG. 2 is a schematic diagram of an exploded construction of the flanged rotary friction consumer of the present invention;
fig. 3 is a side view of a channel steel with a flange rotating friction damper according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a first connection end plate; 2. a second connecting end plate; 3. an upper flange; 4. a lower flange; 5. a first web; 6. a web; 7. a front channel splice; 8. a rear channel steel splice; 9. high-strength friction type bolts; 10. an end plate bolt hole; 11. a rotation center; 12. a slip track; 13. arc slot holes; 14. a gasket; 15. a nut; 16. steel-brass sheet.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, based on the embodiments in the invention, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the invention.
Referring to fig. 1-3, the invention provides a technical scheme that: the winged rotating friction energy dissipation device for beam-column joint connection comprises a first connecting component connected with a column end, a second connecting component connected with a beam end, a front channel steel splice 7, a rear channel steel splice 8 and a plurality of high-strength friction bolts 9; the main materials of the first connecting component, the second connecting component, the front channel steel splice piece 7 and the rear channel steel splice piece 8 are Q235 or Q345.
The first connecting part is formed by welding a first connecting end plate 1, upper flanges of a first web 5 and a first web 3 and lower flanges of the first web 4;
the second connecting part is formed by welding a second connecting end plate 2, upper flanges of second webs 6 and 3 and lower flanges of the second webs 4;
the front channel steel splice piece 7 and the rear channel steel splice piece 8 are arranged in a back-and-forth mode, the right side of the front channel steel splice piece and the second connecting part are fixedly installed, and the left side of the front channel steel splice piece and the first connecting part can be installed in a friction swinging mode;
the inner friction surfaces of the front channel steel splice piece 7 and the rear channel steel splice piece 8 are covered by adopting sand blasting or adopting steel-brass sheets 16, and meanwhile, the first web 5 is a pure bare steel member.
The first connecting end plate 1 and the second connecting end plate 2 are respectively provided with 8 end plate bolt holes 10 for being respectively connected with the precast column and the precast beam by bolts.
The second web 6 and the right sides of the front channel steel splicing piece 7 and the rear channel steel splicing piece 8 are correspondingly provided with a plurality of web fixing bolt holes, a plurality of high-strength friction bolts 9 sequentially penetrate through the corresponding web fixing bolt holes to connect the second web 6 with the front channel steel splicing piece 7 and the rear channel steel splicing piece 8, and the number of the web fixing bolt holes and the corresponding bolts on the second web 6 are 6 or 8 and are arranged in a rectangular shape.
The first web 5 is provided with a plurality of circular arc slotted holes 13 concentric with each other, the left side of the front channel steel splicing piece 7 and the left side of the rear channel steel splicing piece 8 are provided with a plurality of corresponding web movable bolt holes, and the first web 5 is connected with the front channel steel splicing piece 7 and the rear channel steel splicing piece 8 by adopting a plurality of high-strength friction bolts 9 to penetrate through the circular arc slotted holes and the corresponding web movable bolt holes.
The first web 5 of the first connecting part is provided with concentric circular arc slots 13, the number of the circular arc slots and the number of corresponding bolts are 4, 6 or 8, and the circular arc slots are arranged in a circular shape according to the comprehensive consideration of the required sliding force and the shearing resistance required by the connection of the energy dissipater; setting the central line length of the arc slot as L, setting the radius of the circular track corresponding to the arc slot as R, and driving the front channel steel splicing piece and the rear channel steel splicing piece to generate a corner alpha with the first connecting piece by the second connecting piece under the action of an earthquake, wherein if alpha is less than or equal to [ alpha ], L is less than or equal to [ alpha ] R; the winged rotary friction energy dissipation device is assembled by sequentially penetrating a plurality of high-strength friction bolts 9 through a front channel steel splicing piece 7, a first web 5, a second web 6 and a rear channel steel splicing piece 8, installing gaskets 14 and tightening nuts 15.
Because the channel steel and the second connecting component are connected by adopting 6 bolts in three rows and two columns, the relative positions of the channel steel and the second connecting component are fixed. Because the first web 5 of the first connecting part is provided with 4 circular arc slots with the same center, the bolt rod can slide in the circular arc slots. Then, under the action of the earthquake, the beam end drives the second connecting part to rotate, then, the second connecting part drives the channel steel to rotate, friction is generated between the second connecting part and the first web 5 of the first connecting part to consume the energy input into the building structure by the earthquake, the energy consumption effect is generated, two corners on the right side of the first web of the first connecting part are cut off to form chamfers, and in order to prevent the rotation of the friction energy dissipater with the flange, the second connecting part collides with the first connecting part.
In this embodiment, the friction surface is a steel-brass sheet, the steel-brass sheet with a thickness of 2mm is bonded to the outer wall of the web of the channel steel by epoxy resin, and at the same time, the first web 5 of the first connecting component is a pure bare steel member. In other embodiments, grit blasted friction surfaces may be used as desired.
The first connecting component, the second connecting component, the front channel steel splicing piece 7 and the rear channel steel splicing piece 8 are provided with flanges, so that the section secondary moment of inertia of the energy dissipater is increased, the energy dissipater is ensured to effectively transfer the beam end bending moment under the non-vibration working condition, and the bending bearing capacity is not lost.
In the description of the invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or be integrated; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms in the invention will be understood by those of ordinary skill in the art.
Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The rotary friction energy dissipation device with the flange for beam-column joint connection is characterized by comprising a first connecting component connected with a column end, a second connecting component connected with a beam end, a front channel steel splicing piece, a rear channel steel splicing piece and a plurality of high-strength friction bolts;
the first connecting part is formed by welding a first connecting end plate, a first web plate, an upper flange and a lower flange;
the second connecting part is formed by welding a second connecting end plate, a second web plate, an upper flange and a lower flange;
the front channel steel splice piece and the rear channel steel splice piece are arranged in a back-and-forth mode, the right side of the front channel steel splice piece and the rear channel steel splice piece are fixedly installed with the second connecting component, and the left side of the front channel steel splice piece and the first connecting component can be installed in a friction swinging mode;
the inner side friction surfaces of the front channel steel splice and the rear channel steel splice are covered by adopting sand blasting or adopting steel-brass sheets, meanwhile, the first web is a pure bare steel member, the thickness of the steel-brass sheets is 2mm, and epoxy resin is adopted to be bonded with the outer wall of the web of the channel steel;
the main body materials of the first connecting component, the second connecting component, the front channel steel splice and the rear channel steel splice are identical.
2. The winged rotation friction energy dissipater for beam-column joint connection of claim 1, wherein the second web plate and the right side of the front channel steel splicing element and the right side of the rear channel steel splicing element are correspondingly provided with a plurality of web plate fixing bolt holes, and a plurality of high-strength friction type bolts sequentially penetrate through the corresponding web plate fixing bolt holes to connect the second web plate with the front channel steel splicing element and the rear channel steel splicing element.
3. The flanged rotary friction damper for beam-column joint connection of claim 2, wherein the number of web fixing bolt holes and the corresponding number of bolts on the second web are 6 or 8, and are arranged in a rectangular shape.
4. The rotary friction energy dissipation device with the flange for beam column node connection according to claim 1, wherein a plurality of circular arc slots concentric with each other are formed in the first web plate, a plurality of corresponding web plate movable bolt holes are formed in the left side of the front channel steel splicing piece and the left side of the rear channel steel splicing piece, and a plurality of high-strength friction bolts penetrate through the circular arc slots and the corresponding web plate movable bolt holes to connect the first web plate with the front channel steel splicing piece and the rear channel steel splicing piece.
5. The rotary friction energy consumption device with the flange for beam column node connection according to claim 4, wherein the length of the central line of the circular arc slot is L, the radius of the circular orbit corresponding to the circular arc slot is R, and under the action of an earthquake, the second connecting component drives the front channel steel splicing component and the rear channel steel splicing component to generate a corner alpha with the first connecting component, and if the alpha is less than or equal to [ alpha ], the L is less than or equal to [ alpha ] R.
6. The rotary friction damper with flanges for beam-column joint connection according to claim 4, wherein the number of the arc slots and the corresponding number of bolts are 4, 6 or 8, and are arranged in a circular shape.
7. The flanged rotary friction damper for beam-to-column joint connection of claim 1, wherein the first connection end plate of the first connection member and the second connection end plate of the second connection member are provided with a plurality of end plate bolt holes for connection to the preform Liang Zhuduan by bolts.
8. The flanged rotary friction damper for beam-to-column joint connection according to claim 1, wherein the right two corners of the first web are provided with chamfers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210302586.1A CN114809278B (en) | 2022-03-25 | 2022-03-25 | Rotary friction energy dissipation device with wing edges for beam column node connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210302586.1A CN114809278B (en) | 2022-03-25 | 2022-03-25 | Rotary friction energy dissipation device with wing edges for beam column node connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114809278A CN114809278A (en) | 2022-07-29 |
| CN114809278B true CN114809278B (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210302586.1A Active CN114809278B (en) | 2022-03-25 | 2022-03-25 | Rotary friction energy dissipation device with wing edges for beam column node connection |
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| Country | Link |
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| CN (1) | CN114809278B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100952232B1 (en) * | 2009-03-17 | 2010-04-09 | 에스에이치공사 | Stable friction damper for lintel beam |
| KR20110090722A (en) * | 2010-02-03 | 2011-08-10 | 동일고무벨트주식회사 | Vibration damper using inter-story drift of rahmen frame |
| CN105672493A (en) * | 2016-03-10 | 2016-06-15 | 苏州科技学院 | Shape memory alloy web friction self-reset steel frame joint |
| CN107354999A (en) * | 2017-08-07 | 2017-11-17 | 中国地震局工程力学研究所 | It is a kind of to be easy to after shake the quickly assembled reinforced concrete structure beam-column connection of maintenance |
| CN109914593A (en) * | 2019-02-21 | 2019-06-21 | 海南大学 | A kind of Self-resetting beam column friction energy-dissipating node structure and its construction method |
| CN111155643A (en) * | 2020-02-17 | 2020-05-15 | 西安建筑科技大学 | Assembly type mixed frame structure and construction method |
| CN111395567A (en) * | 2020-04-24 | 2020-07-10 | 广州大学 | Rotary friction energy dissipater |
| CN111622346A (en) * | 2020-05-26 | 2020-09-04 | 北京建筑大学 | Assembled frame beam column node that multistage performance can be regulated and control |
-
2022
- 2022-03-25 CN CN202210302586.1A patent/CN114809278B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100952232B1 (en) * | 2009-03-17 | 2010-04-09 | 에스에이치공사 | Stable friction damper for lintel beam |
| KR20110090722A (en) * | 2010-02-03 | 2011-08-10 | 동일고무벨트주식회사 | Vibration damper using inter-story drift of rahmen frame |
| CN105672493A (en) * | 2016-03-10 | 2016-06-15 | 苏州科技学院 | Shape memory alloy web friction self-reset steel frame joint |
| CN107354999A (en) * | 2017-08-07 | 2017-11-17 | 中国地震局工程力学研究所 | It is a kind of to be easy to after shake the quickly assembled reinforced concrete structure beam-column connection of maintenance |
| CN109914593A (en) * | 2019-02-21 | 2019-06-21 | 海南大学 | A kind of Self-resetting beam column friction energy-dissipating node structure and its construction method |
| CN111155643A (en) * | 2020-02-17 | 2020-05-15 | 西安建筑科技大学 | Assembly type mixed frame structure and construction method |
| CN111395567A (en) * | 2020-04-24 | 2020-07-10 | 广州大学 | Rotary friction energy dissipater |
| CN111622346A (en) * | 2020-05-26 | 2020-09-04 | 北京建筑大学 | Assembled frame beam column node that multistage performance can be regulated and control |
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| Publication number | Publication date |
|---|---|
| CN114809278A (en) | 2022-07-29 |
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