CN114809278A - Rotary friction energy dissipater with flange for beam column node connection - Google Patents
Rotary friction energy dissipater with flange for beam column node connection Download PDFInfo
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- CN114809278A CN114809278A CN202210302586.1A CN202210302586A CN114809278A CN 114809278 A CN114809278 A CN 114809278A CN 202210302586 A CN202210302586 A CN 202210302586A CN 114809278 A CN114809278 A CN 114809278A
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- splicing piece
- channel steel
- web
- steel splicing
- flange
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 83
- 239000010959 steel Substances 0.000 claims abstract description 83
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 12
- 239000010951 brass Substances 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 8
- 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 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000002699 waste material Substances 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
- 230000021715 photosynthesis, light harvesting 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
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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
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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
-
- 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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- 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
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- 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-resistant energy consumption of building structures, and particularly discloses a flange-provided rotary friction energy dissipater for beam-column joint connection, which is characterized by comprising a first connecting part, a second connecting part, a front channel steel splicing piece, a rear channel steel splicing piece and a plurality of high-strength friction type 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 sides of the front channel steel splicing piece and the rear channel steel splicing piece are fixedly installed with the second connecting component, and the left sides of the front channel steel splicing piece and the rear channel steel splicing piece are installed with the first connecting component in a friction swinging mode; the inner side friction surfaces of the front channel steel splicing piece and the rear channel steel splicing piece are subjected to sand blasting treatment or are covered by steel-brass sheets, meanwhile, the first web plate is a pure exposed steel member, earthquake input energy is dissipated under the action of an earthquake, and the energy dissipater can effectively transfer beam end bending moment and does not lose bending bearing capacity.
Description
Technical Field
The invention relates to the field of earthquake-resistant energy consumption of building structures, in particular to a flange-provided rotary friction energy dissipater for beam-column joint connection.
Background
In recent years, the population dividend of China gradually disappears, and the phenomenon of 'shortage of labor' in the construction industry is frequently caused by the continuous rise of labor cost; in addition, the traditional site construction mode has the common problems of serious environmental pollution and water resource waste, poor engineering quality, high construction waste yield and the like. In order to promote the sustainable development of the building industry and continuously promote environmental protection and energy conservation, the nation and the society pay more attention to building industrialization, particularly to a fabricated concrete structure system, and governments at all levels also make and produce a series of policy measures in succession 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. In the past, disaster investigation after earthquake discovers that the assembled concrete frame structure is seriously damaged by earthquake, and the beam-column joint is just the weak point of connection. It is desirable to provide a connector that combines energy dissipation and is installed in the beam-column joint of an assembled concrete frame structure to protect the joint from seismic damage. The deformation of the beam-column joint is mainly bending deformation, so the energy dissipater needs to generate energy consumption by rotation deformation.
Based on the above, the invention designs a flange-equipped rotary friction energy dissipater for beam-column joint connection to solve the above problems.
Disclosure of Invention
The invention aims to provide a flange-provided rotary friction energy dissipater for beam-column joint connection, so as to solve the technical problem.
In order to realize the purpose, the invention provides the following technical scheme:
a flange-provided rotary friction energy dissipater for beam-column joint connection comprises a first connecting part connected with a column end, a second connecting part connected with a beam end, a front channel steel splicing piece, a rear channel steel splicing piece and a plurality of high-strength friction type 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 splicing piece and the rear channel steel splicing piece are arranged back to back, the right side of the front channel steel splicing piece and the right side of the rear channel steel splicing piece are fixedly installed with the second connecting component, and the left side of the front channel steel splicing piece and the first connecting component can be installed in a friction swinging mode;
the inner side friction surfaces of the front channel steel splicing piece and the rear channel steel splicing piece are subjected to sand blasting treatment or are covered by a steel-brass sheet, and meanwhile, the first web plate is a pure exposed steel component.
Preferably, a plurality of web fixing bolt holes are correspondingly formed in the second web, the right side of the front channel steel splicing piece and the right side of the rear channel steel splicing piece, and the high-strength friction type bolts sequentially penetrate through the corresponding web fixing bolt holes to connect the second web 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 number of the corresponding bolts on the second web are 6 or 8, and the web fixing bolt holes and the corresponding bolts are arranged in a rectangular shape.
Preferably, a plurality of circular arc slotted holes with the same center are formed in the first web, a plurality of corresponding web 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 the high-strength friction type bolts penetrate through the circular arc slotted holes and the corresponding web movable bolt holes to connect the first web with the front channel steel splicing piece and the rear channel steel splicing piece.
Preferably, the length of the middle line of the arc slotted hole is L, the radius of the circular track corresponding to the arc slotted hole is R, under the action of an earthquake, the second connecting component drives the front channel steel splicing piece and the rear channel steel splicing piece to generate a rotation angle alpha with the first connecting component, and if alpha is required to be less than or equal to alpha, L is less than or equal to alpha R.
Preferably, the number of the arc slotted holes and the number of the corresponding bolts are 4, 6 or 8, and the arc slotted 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 part and the second connecting end plate of the second connecting part and used for connecting the prefabricated beam column end by bolts.
Preferably, the main materials of the first connecting part, the second connecting part, the front channel steel splicing piece and the rear channel steel splicing piece are Q235 or Q345;
preferably, two corners of the right side of the first web are provided with chamfers.
Preferably, the thickness of the steel-brass sheet is 2mm, and the steel-brass sheet is bonded with the outer wall of the web plate of the channel steel by adopting epoxy resin.
Compared with the prior art, the invention has the beneficial effects that:
the flange-provided rotary friction energy dissipater is specially used for beam-column joint connection of an assembly type concrete frame structure and is high in pertinence.
The flange-provided rotary friction energy dissipater is arranged at a position where rotary deformation exists in a building structure, adopts the steel-brass sheet, has more stable friction property, can absorb energy input into the structure during earthquake, and reduces the damage of the building structure.
The rotary friction energy dissipater with the flanges is characterized in that the flanges are arranged, so that the secondary moment of inertia of the section of the energy dissipater is increased, the energy dissipater can effectively transfer bending moment at the beam end under the non-seismic working condition, and the flexural bearing capacity is not lost.
The rotary friction energy dissipater with the flange is connected by bolts and is easy to install, disassemble and replace.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of a rotary friction damper with flanges according to the present invention;
FIG. 2 is a schematic view of an exploded structure of the rotary friction consumer with flange according to the present invention;
figure 3 is a side view of a channel with flange rotational friction dissipater of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a first connection end plate; 2. a second connection 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 splice; 9. high-strength friction bolts; 10. an end plate bolt hole; 11. a center of rotation; 12. a slip trajectory; 13. arc slotted holes; 14. a gasket; 15. a nut; 16. steel-brass sheet.
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. 1-3, the present invention provides a technical solution: a flange-provided rotary friction energy dissipater for beam-column joint connection comprises a first connecting part connected with a column end, a second connecting part connected with a beam end, a front channel steel splicing piece 7, a rear channel steel splicing piece 8 and a plurality of high-strength friction type bolts 9; the main materials of the first connecting part, the second connecting part, the front steel channel splicing piece 7 and the rear steel channel splicing piece 8 are Q235 or Q345.
The first connecting part is formed by welding a first connecting end plate 1, a first web plate 5, an upper flange 3 and a lower flange 4;
the second connecting part is formed by welding a second connecting end plate 2, a second web plate 6, an upper flange 3 and a lower flange 4;
the front channel steel splicing piece 7 and the rear channel steel splicing piece 8 are arranged back and forth, the right side of the front channel steel splicing piece and the right side of the rear channel steel splicing piece are fixedly installed with the second connecting component, and the left side of the front channel steel splicing piece and the left side of the rear channel steel splicing piece are installed with the first connecting component in a friction swinging mode;
the inner side friction surfaces of the front channel steel splicing piece 7 and the rear channel steel splicing piece 8 are subjected to sand blasting treatment or are covered by a steel-brass sheet 16, and meanwhile, the first web 5 is a pure exposed steel component.
And 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 prefabricated columns and the prefabricated beams by bolts.
A plurality of circular arc slotted holes 13 with the same center are formed in the first web 5, a plurality of corresponding web movable bolt holes are formed in the left side of the front channel steel splicing piece 7 and the left side of the rear channel steel splicing piece 8, and the high-strength friction type bolts 9 penetrate through the circular arc slotted holes and the corresponding web movable bolt holes to connect the first web 5 with the front channel steel splicing piece 7 and the rear channel steel splicing piece 8.
The first web 5 of the first connecting component is provided with concentric circular arc slotted holes 13, the number of the circular arc slotted holes and the number of corresponding bolts are 4, 6 or 8, and the circular arc slotted holes and the corresponding bolts are circularly arranged according to the comprehensive consideration of the required sliding force and the shearing resistance required by the connection of energy dissipators; setting the middle line length of the arc slotted hole as L and the radius of the circular track corresponding to the arc slotted hole as R, under the action of earthquake, the second connecting component drives the front channel steel splicing piece and the rear channel steel splicing piece to generate a corner alpha with the first connecting component, and if alpha is required to be less than or equal to alpha, L is less than or equal to alpha R; and a plurality of high-strength friction type bolts 9 sequentially penetrate through the front channel steel splicing piece 7, the first web 5, the second web 6 and the rear channel steel splicing piece 8, are provided with gaskets 14, are screwed with nuts 15, and are assembled to complete the flange-provided rotary friction energy dissipater embodiment.
Because the channel steel and the second connecting part are connected by adopting 6 bolts in three rows and two columns, the relative positions of the channel steel and the second connecting part are fixed. Because the first web 5 of the first connecting part is provided with 4 concentric circular arc slotted holes, the bolt rod can slide in the circular arc slotted holes. Then, under the action of an earthquake, the beam end drives the second connecting part to rotate, then, the second connecting part drives the channel steel to rotate, and generates friction with the first web 5 of the first connecting part to consume the energy input into the building structure by the earthquake, so that 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 the second connecting part collides with the first connecting part when the rotating friction energy consumer with the flange rotates to work.
In the embodiment, the friction surface is made of a steel-brass sheet, the steel-brass sheet with the thickness of 2mm is bonded with the outer wall of the web of the channel steel by using epoxy resin, and the first web 5 of the first connecting part is a pure exposed steel member. In other embodiments, a grit blasted friction face may be used as desired.
The first connecting part, the second connecting part, the front channel steel splicing piece 7 and the rear channel steel splicing piece 8 are all provided with flanges, so that the secondary moment of inertia of the section of the energy dissipater is increased, the energy dissipater can effectively transfer beam end bending moment under a non-seismic working condition, and the flexural bearing capacity is not lost.
In the description of the invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the invention is understood by those skilled in the art according to specific situations.
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 (10)
1. A flange-provided rotary friction energy dissipater for beam-column joint connection is characterized by comprising a first connecting part connected with a column end, a second connecting part connected with a beam end, a front channel steel splicing piece, a rear channel steel splicing piece and a plurality of high-strength friction type 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 splicing piece and the rear channel steel splicing piece are arranged back to back, the right side of the front channel steel splicing piece and the right side of the rear channel steel splicing piece are fixedly installed with the second connecting component, and the left side of the front channel steel splicing piece and the first connecting component can be installed in a friction swinging mode;
the inner side friction surfaces of the front channel steel splicing piece and the rear channel steel splicing piece are subjected to sand blasting treatment or are covered by a steel-brass sheet, and meanwhile, the first web plate is a pure exposed steel component.
2. The flange-equipped rotary friction energy dissipater for beam-column joint connection according to claim 1, wherein a plurality of web fixing bolt holes are correspondingly formed in the second web, the right side of the front channel steel splicing piece and the right side of the rear channel steel splicing piece, and a plurality of high-strength friction type bolts sequentially penetrate through the corresponding web fixing bolt holes to connect the second web with the front channel steel splicing piece and the rear channel steel splicing piece.
3. The flanged rotary friction damper for beam-column joint connection according to claim 2, wherein the number of web fixing bolt holes and corresponding bolts on the second web is 6 or 8, and the web fixing bolt holes and corresponding bolts are arranged in a rectangular shape.
4. The flange-equipped rotary friction energy dissipater for beam-column joint connection according to claim 1, wherein the first web is provided with a plurality of concentric circular arc slotted holes, the left side of the front channel-section steel splicing piece and the left side of the rear channel-section steel splicing piece are provided with a plurality of corresponding web movable bolt holes, and a plurality of high-strength friction bolts are adopted to penetrate through the circular arc slotted holes and the corresponding web movable bolt holes to connect the first web with the front channel-section steel splicing piece and the rear channel-section steel splicing piece.
5. The flange-equipped rotary friction energy dissipater for beam-column joint connection according to claim 4, wherein the length of the middle line of the arc slot is L, the radius of the circular track corresponding to the arc slot is R, under the action of an earthquake, the second connecting component drives the front channel-section splicing piece and the rear channel-section splicing piece to make the front channel-section splicing piece and the rear channel-section splicing piece generate a rotation angle alpha with the first connecting component, and if alpha is required to be less than or equal to [ alpha ], L is less than or equal to [ alpha ] R.
6. The flange-equipped rotary friction energy dissipater for beam-column joint connection according to claim 4, wherein the number of circular arc slotted holes and the number of corresponding bolts are 4, 6 or 8, and are arranged in a circle.
7. The flanged rotational friction dissipater for beam-column nodal connection according to claim 1, wherein a plurality of end plate bolt holes are formed in the first connection end plate of the first connection member and the second connection end plate of the second connection member for connecting with the prefabricated beam-column ends using bolts.
8. A flanged rotational friction dissipater for beam-column nodal connection according to claim 1, wherein the body material of the first and second connection members, the front and rear channel splices is Q235 or Q345.
9. A flanged rotational friction dissipater for beam-column nodal connection according to claim 1, wherein the right two corners of the first web are chamfered.
10. The flange-provided rotary friction energy dissipater for beam-column joint connection is characterized in that the thickness of the steel-brass sheet is 2mm, and the steel-brass sheet is bonded with the outer wall of a web of a channel steel by adopting epoxy resin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210302586.1A 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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CN202210302586.1A 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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CN114809278A true CN114809278A (en) | 2022-07-29 |
CN114809278B CN114809278B (en) | 2023-12-22 |
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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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