CN113323481B - Column base node with additional replaceable U-shaped damper after earthquake - Google Patents
Column base node with additional replaceable U-shaped damper after earthquake Download PDFInfo
- Publication number
- CN113323481B CN113323481B CN202110600966.9A CN202110600966A CN113323481B CN 113323481 B CN113323481 B CN 113323481B CN 202110600966 A CN202110600966 A CN 202110600966A CN 113323481 B CN113323481 B CN 113323481B
- Authority
- CN
- China
- Prior art keywords
- shaped
- column
- bowl
- energy consumption
- earthquake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- 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
- E04H9/025—Structures with concrete columns
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- 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 Dampers (AREA)
Abstract
The invention relates to a column base node of a U-shaped damper capable of being replaced after additional earthquake, belonging to the technical field of structural engineering earthquake resistance, and comprising an upper column, a lower column, a bowl-shaped support positioned at the axial center of the upper column and the lower column and a U-shaped damper arranged around the bowl-shaped support; the end surfaces of the upper bowl-shaped support and the lower bowl-shaped support are respectively provided with arc-shaped bulges fully distributed with salient points and arc-shaped grooves fully distributed with concave pits; the U-shaped damper comprises a U-shaped energy consumption belt, connecting steel pipes and mounting steel plates, wherein the connecting steel pipes on two sides of the U-shaped energy consumption belt are detachably connected with the U-shaped energy consumption belt respectively, and are detachably connected with the end plates of the upper column and the lower column through the mounting steel plates connected with the U-shaped energy consumption belt respectively. The invention has definite force transmission, the bowl-shaped support can bear axial force and shearing force, and the rotation in all directions is realized during earthquake. The U-shaped damper can dissipate earthquake energy, reduces damage of the structure after the earthquake, and is easy to replace and maintain after the earthquake.
Description
Technical Field
The invention belongs to the technical field of structural engineering earthquake resistance, and relates to a column base node of a U-shaped damper which can be replaced after additional earthquake.
Background
At present, the performance-based earthquake-proof design becomes the mainstream of earthquake-proof design, and how to enable the whole building, even the whole city and even the whole society to have the recovery function after an earthquake occurs has brought close attention and wide discussion to the earthquake engineering world in recent years. How to design a structure which can not be damaged or only be damaged quickly in the earthquake becomes one of the important research directions for the sustainable development of engineering earthquake resistance. By weakening some parts of the structure system and realizing concentrated energy dissipation at the parts, the damage of the structure under the action of earthquake can be effectively controlled, and the damaged parts can be replaced to ensure that the building can quickly recover the function after the earthquake.
After the earthquake, the plastic hinge appears at the column end of the concrete frame, and the stability of the whole structure is influenced. The damaged column end is difficult to repair, and the restorability after the earthquake is poor. If the damage is concentrated on the energy consumption mechanism, the function of the structure can be quickly recovered only by replacing the energy consumption mechanism after the earthquake.
Disclosure of Invention
In view of the above, the present invention provides a column base node with an additional post-earthquake replaceable U-shaped damper, so as to solve the problem of difficulty in post-earthquake maintenance of the column base node of the existing concrete frame structure.
In order to achieve the purpose, the invention provides the following technical scheme:
a column base node of a U-shaped damper capable of being replaced after additional shock comprises an upper column, a lower column, a bowl-shaped support and a U-shaped damper, wherein the upper column and the lower column are opposite up and down, the bowl-shaped support is respectively positioned in the axial center of the upper column and the lower column and is opposite up and down, and the U-shaped damper is arranged around the bowl-shaped support in a surrounding mode;
the upper column and the lower column are reinforced concrete square columns, steel end plates are respectively fixed on the mutually-oriented cylindrical surfaces of the upper column and the lower column, the centers of the two steel end plates are respectively connected with a steel bowl-shaped support, an arc-shaped bulge is arranged on the end surface of the bowl-shaped support of the upper column, an arc-shaped groove is arranged on the end surface of the bowl-shaped support of the lower column, and a convex-concave arc-shaped matching structure is formed by the arc-shaped bulge and the arc-shaped groove;
salient points are fully distributed on the surface of the arc-shaped bulge of the bowl-shaped support of the upper column, concave pits matched with the salient points are fully distributed on the surface of the arc-shaped groove of the bowl-shaped support of the lower column, and the salient points and the concave pits form a honeycomb matching structure;
the U-shaped damper comprises a U-shaped energy consumption belt, connecting steel pipes and mounting steel plates, wherein the connecting steel pipes on two sides of the U-shaped energy consumption belt are detachably connected with the U-shaped energy consumption belt respectively, and are detachably connected with steel end plates of the upper column and the lower column through the mounting steel plates connected with the U-shaped energy consumption belt respectively.
Furthermore, the U-shaped damper comprises more than one U-shaped energy dissipation belt which is bent in the same direction, and one side, close to each other, of each adjacent U-shaped energy dissipation belt shares one connecting steel pipe.
Furthermore, the U-shaped damper comprises an upper row of U-shaped energy dissipation belts and a lower row of U-shaped energy dissipation belts which are bent reversely, each row of U-shaped energy dissipation belts which are bent in the same direction, and one side, close to each other, of each adjacent row of U-shaped energy dissipation belts shares one connecting steel pipe.
Furthermore, part of the U-shaped energy dissipation belts are made of shape memory alloy, and the rest of the U-shaped energy dissipation belts are made of steel.
Further, bolt holes are correspondingly formed in the two sides of the U-shaped energy consumption belt and the connecting steel pipe, and the U-shaped energy consumption belt and the connecting steel pipe are fastened through bolts inserted into the bolt holes and nuts matched with the bolt holes.
Further, the steel end plates of the upper column and the lower column and the mounting steel plate are correspondingly provided with bolt holes, and the bolt holes are fastened through bolts inserted into the bolt holes and nuts matched with the bolt holes.
The invention has the beneficial effects that:
(1) the invention has definite force transmission, the bowl-shaped support can bear axial force and shearing force, and the rotation in all directions can be realized during earthquake.
(2) The U-shaped damper is additionally arranged on the column base node, the butt joint part of the upper column and the lower column of the column base node is wrapped in the U-shaped damper, when an earthquake occurs, the U-shaped damper connected with the upper column and the lower column plays a role in energy consumption, bears earthquake load and controls damage on the U-shaped damper, so that the main body part of the column base node is protected, and the earthquake resistance of the column base node is improved. Because U type attenuator can dismantle with upper prop, lower post and be connected, easily change after taking place the damage. Furthermore, the U-shaped energy consumption belt is detachably connected with the connecting steel pipe and is a main energy consumption component, and if only the U-shaped energy consumption belt is damaged and the connecting steel pipe is not damaged, only the U-shaped energy consumption belt can be replaced, and the connecting steel pipe can be reused.
(3) According to the column base joint disclosed by the invention, the convex points are fully distributed on the surface of the arc-shaped bulge of the upper column steel circular table, the concave pits matched with the convex points are fully distributed on the surface of the arc-shaped groove of the lower column steel circular table, and the convex points and the concave pits form a honeycomb matching structure, so that the friction is increased, the lateral movement is prevented, the structural stability is improved, and the anti-seismic level is improved.
(4) Part of the U-shaped energy dissipation belt can be made of Shape Memory Alloy (SMA) materials, and under the action of external force, the Shape Memory alloy has much larger deformation recovery capability than common metals, namely, large strain generated in the loading process can be recovered along with unloading, and the U-shaped energy dissipation belt is favorable for enhancing the shock resistance.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof.
Drawings
For a better understanding of the objects, aspects and advantages of the present invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of a column shoe node according to embodiment 1 of the present invention;
fig. 2 is a schematic sectional view of a column shoe node according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a U-shaped damper according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of convex points on the arc-shaped convex surface of the upper column steel circular truncated cone;
FIG. 5 is a schematic structural view of a pit on the surface of an arc-shaped groove of a lower column steel circular truncated cone;
fig. 6 is a schematic structural view of a U-shaped damper according to embodiment 2 of the present invention;
fig. 7 is a schematic structural view of a U-shaped damper according to embodiment 3 of the present invention.
Reference numerals: the steel-reinforced concrete column comprises an upper column 1, a lower column 2, a steel end plate 3, a steel round table 4, an arc-shaped protrusion 5, an arc-shaped groove 6, a U-shaped damper 7, a U-shaped energy consumption belt 701, a connecting steel pipe 702, an installation steel plate 703, salient points 704 and pits 705.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; for a better explanation of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Example 1:
referring to fig. 1 to 5, a column base node of an additional post-earthquake replaceable U-shaped damper 7 includes an upper column 1 and a lower column 2 which are opposite to each other, a bowl-shaped support 4 which is located at the axial center of the upper column 1 and the lower column 2 and is opposite to each other, and a U-shaped damper 7 which is surrounded around the bowl-shaped support 4.
Specifically, the upper column 1 and the lower column 2 are reinforced concrete square columns, the steel end plates 3 are respectively fixed on the two mutually-oriented cylindrical surfaces, the centers of the two steel end plates 3 are respectively connected with a steel bowl-shaped support 4, an arc protrusion 5 is arranged on the end surface of the bowl-shaped support 4 of the upper column 1, an arc groove 6 is arranged on the end surface of the bowl-shaped support 4 of the lower column 2, and the arc protrusion 5 and the arc groove 6 form a convex-concave arc matching structure. The bowl-shaped support 4 can bear axial force and shearing force, and can rotate in all directions during earthquake.
The salient points 704 are fully distributed on the surface of the arc-shaped protrusion 5 of the bowl-shaped support 4 of the upper column 1, the concave pits 705 matched with the salient points 704 are fully distributed on the surface of the arc-shaped groove 6 of the bowl-shaped support 4 of the lower column 2, the salient points 704 and the concave pits 705 form a honeycomb matching structure, friction is increased, side movement is prevented, structural stability is improved, and the anti-seismic level is improved.
The U-shaped damper 7 comprises a U-shaped energy consumption belt 701, a connecting steel pipe 702 and a mounting steel plate 703, bolt holes are correspondingly formed in the two sides of the U-shaped energy consumption belt 701 and the connecting steel pipe 702, and the U-shaped energy consumption belt 701 and the connecting steel pipe 702 are fixed through bolts inserted into the bolt holes and nuts matched with the bolt holes; the connecting steel pipes 702 on two sides of the U-shaped energy consumption belt 701 are respectively connected with two mounting steel plates 703, the two mounting steel plates 703 are respectively provided with bolt holes corresponding to the steel end plates 3 of the upper column 1 and the lower column 2, and the two mounting steel plates 703 are respectively fixed on the steel end plates 3 of the upper column 1 and the lower column 2 through bolts inserted into the bolt holes and nuts matched with the bolt holes.
The U-shaped damper 7 wraps the butt joint part of the upper column 1 and the lower column 2 of the column base node in the butt joint part, when an earthquake occurs, the U-shaped damper 7 connected with the upper column 1 and the lower column 2 plays an energy dissipation role, bears earthquake load, and controls damage on the U-shaped damper 7, so that the main body part of the column base node is protected, and the earthquake resistance of the column base node is improved. Because U type attenuator 7 can dismantle with upper column 1, lower post 2 and be connected, take place to change easily after the damage. Further, since the U-shaped energy consumption band 701 is detachably connected with the connecting steel pipe 702, and the U-shaped energy consumption band 701 is a main energy consumption member, if only the U-shaped energy consumption band 701 is damaged and the connecting steel pipe 702 is not damaged, only the U-shaped energy consumption band 701 can be replaced, and the connecting steel pipe 702 can be reused.
Example 2:
as shown in fig. 6, the main difference between the embodiment 2 and the embodiment 1 is the structure of the U-shaped damper 7, specifically, the U-shaped damper 7 includes two U-shaped dissipative belts 701 bent in the same direction, and the adjacent sides of the two U-shaped dissipative belts 701 share a connecting steel pipe 702. Compared with the structure of a single U-shaped energy dissipation belt 701 in the embodiment 1, the energy dissipation effect is further improved.
In addition, in this embodiment, the two U-shaped energy consumption bands 701 of each U-shaped damper 7 may be made of steel, or one of the U-shaped energy consumption bands 701 may be made of shape memory alloy, and the remaining U-shaped energy consumption band 701 may be made of steel. Under the action of external force, the shape memory alloy has much larger deformation recovery capability than that of common metal, namely, large strain generated in the loading process can be recovered along with unloading, and the shock resistance is favorably enhanced.
Example 3:
as shown in fig. 7, the main difference between the embodiment 3 and the embodiment 1 is that the U-shaped damper 7 has a different structure, specifically, the U-shaped damper 7 includes two rows of U-shaped dissipative belts 701 bent in opposite directions, each row includes two U-shaped dissipative belts 701 bent in the same direction, and one side of each row of the two U-shaped dissipative belts 701 close to each other shares a connecting steel pipe 702. Two corresponding connecting steel pipes 702 at the center are connected with the mounting steel plate 703, and the two connecting steel pipes 702 at the two sides are suspended.
In addition, in this embodiment, all of the four U-shaped energy dissipation bands 701 of each U-shaped damper 7 may be made of steel, or a part of the U-shaped energy dissipation bands 701 may be made of shape memory alloy, and the remaining part of the U-shaped energy dissipation bands 701 may be made of steel.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (6)
1. A column base node of an additional post-earthquake replaceable U-shaped damper is characterized in that: the damping device comprises an upper column and a lower column which are opposite up and down, bowl-shaped supports which are respectively positioned at the axial centers of the upper column and the lower column and are opposite up and down, and U-shaped dampers which are arranged around the bowl-shaped supports;
the upper column and the lower column are reinforced concrete square columns, steel end plates are respectively fixed on the mutually-oriented cylindrical surfaces of the upper column and the lower column, the centers of the two steel end plates are respectively connected with a steel bowl-shaped support, an arc-shaped bulge is arranged on the end surface of the bowl-shaped support of the upper column, an arc-shaped groove is arranged on the end surface of the bowl-shaped support of the lower column, and the arc-shaped bulge and the arc-shaped groove form a convex-concave arc-shaped matching structure;
salient points are fully distributed on the surface of the arc-shaped bulge of the bowl-shaped support of the upper column, concave pits matched with the salient points are fully distributed on the surface of the arc-shaped groove of the bowl-shaped support of the lower column, and the salient points and the concave pits form a honeycomb matching structure;
the U-shaped damper comprises a U-shaped energy consumption belt, connecting steel pipes and mounting steel plates, wherein the connecting steel pipes on two sides of the U-shaped energy consumption belt are detachably connected with the U-shaped energy consumption belt respectively, and are detachably connected with steel end plates of the upper column and the lower column through the mounting steel plates connected with the U-shaped energy consumption belt respectively.
2. The column shoe node of an additional post-shock replaceable U-shaped damper according to claim 1, wherein: the U-shaped damper comprises more than one U-shaped energy dissipation belt which is bent in the same direction, and one side, close to each other, of each adjacent U-shaped energy dissipation belt shares one connecting steel pipe.
3. The column shoe node of an additional post-shock replaceable U-shaped damper according to claim 1, wherein: the U-shaped damper comprises an upper row of U-shaped energy dissipation belts and a lower row of U-shaped energy dissipation belts which are bent reversely, each row of U-shaped energy dissipation belts which are bent in the same direction, and one side, close to each other, of each adjacent row of U-shaped energy dissipation belts shares one connecting steel pipe.
4. The column shoe node of an additional post-shock replaceable U-shaped damper according to claim 1, wherein: part of the U-shaped energy dissipation belts are made of shape memory alloy, and the rest of the U-shaped energy dissipation belts are made of steel.
5. The column shoe node of an additional post-shock replaceable U-shaped damper according to claim 1, wherein: bolt holes are correspondingly formed in the two sides of the U-shaped energy consumption belt and the connecting steel pipe, and the U-shaped energy consumption belt and the connecting steel pipe are fastened through bolts inserted into the bolt holes and nuts matched with the bolt holes.
6. The column shoe node of an additional post-shock replaceable U-shaped damper according to claim 1, wherein: the steel end plates of the upper column and the lower column and the mounting steel plate are correspondingly provided with bolt holes, and the bolt holes are fastened through bolts inserted into the bolt holes and nuts matched with the bolt holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110600966.9A CN113323481B (en) | 2021-05-31 | 2021-05-31 | Column base node with additional replaceable U-shaped damper after earthquake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110600966.9A CN113323481B (en) | 2021-05-31 | 2021-05-31 | Column base node with additional replaceable U-shaped damper after earthquake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113323481A CN113323481A (en) | 2021-08-31 |
| CN113323481B true CN113323481B (en) | 2022-09-23 |
Family
ID=77422596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110600966.9A Active CN113323481B (en) | 2021-05-31 | 2021-05-31 | Column base node with additional replaceable U-shaped damper after earthquake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113323481B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10311164A (en) * | 1997-05-14 | 1998-11-24 | Mitsubishi Heavy Ind Ltd | Friction damper |
| JP2006233445A (en) * | 2005-02-22 | 2006-09-07 | Hitachi Metals Techno Ltd | Seismic response control column base structure and seismic response control structure using this structure |
| JP2007023626A (en) * | 2005-07-19 | 2007-02-01 | Nippon Sharyo Seizo Kaisha Ltd | Vibration-controlled base-isolated structure |
| JP2008196163A (en) * | 2007-02-09 | 2008-08-28 | Kyoto Univ | Seismic control stud |
| CN109914635A (en) * | 2019-04-10 | 2019-06-21 | 重庆大学 | A kind of rotation friction energy-dissipating wall |
| CN110359633A (en) * | 2019-07-29 | 2019-10-22 | 东南大学 | A kind of concrete foot joint of the replaceable energy consumption connection component containing high ductility |
| CN113323485A (en) * | 2021-05-31 | 2021-08-31 | 重庆大学 | Column base node of bending damper with replaceable after-earthquake |
| CN113323484A (en) * | 2021-05-31 | 2021-08-31 | 重庆大学 | Column base node of grid type damper with replaceable after-earthquake |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5336145B2 (en) * | 2008-10-10 | 2013-11-06 | 株式会社竹中工務店 | Damping structure and building with damping structure |
| JP5398419B2 (en) * | 2009-08-19 | 2014-01-29 | 鹿島建設株式会社 | Structural damper |
| CN203947611U (en) * | 2014-06-19 | 2014-11-19 | 同济大学 | Adjustable liquid damper |
| CN104763057A (en) * | 2015-03-26 | 2015-07-08 | 东南大学 | Shape Memory Alloy (SMA)-friction pendulum clearance compound isolation bearing |
| CN206070365U (en) * | 2016-09-09 | 2017-04-05 | 上海通亿橡塑制品有限公司 | A kind of bridle iron for reducing bridge structure noise and vibration |
| CN208105566U (en) * | 2018-03-16 | 2018-11-16 | 西安建筑科技大学 | A kind of U-shaped mild steel damper for timber structure bean column node |
| CN110331792A (en) * | 2019-06-20 | 2019-10-15 | 海南大学 | A kind of U-shaped metal damper of assembled Self-resetting |
| CN110173146B (en) * | 2019-06-26 | 2020-11-27 | 香港理工大学 | Self-resetting viscous composite damper |
| CN210598349U (en) * | 2019-08-16 | 2020-05-22 | 广州凌鼎建筑工程有限公司 | Vibration isolation structure of private house |
| CN211547300U (en) * | 2019-08-29 | 2020-09-22 | 南昌大学 | Three-dimensional gear type self-resetting energy-consumption shock-insulation support |
| CN211523601U (en) * | 2019-12-25 | 2020-09-18 | 西安建筑科技大学 | Energy dissipation damper applied to frame column |
| CN112112302A (en) * | 2020-07-20 | 2020-12-22 | 北京工业大学 | Asymmetric U-shaped steel plate damper with waveform holes |
| CN112853933B (en) * | 2021-02-24 | 2022-04-29 | 江南大学 | Segment prefabricated assembled concrete-filled steel tube pier with restorable function |
-
2021
- 2021-05-31 CN CN202110600966.9A patent/CN113323481B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10311164A (en) * | 1997-05-14 | 1998-11-24 | Mitsubishi Heavy Ind Ltd | Friction damper |
| JP2006233445A (en) * | 2005-02-22 | 2006-09-07 | Hitachi Metals Techno Ltd | Seismic response control column base structure and seismic response control structure using this structure |
| JP2007023626A (en) * | 2005-07-19 | 2007-02-01 | Nippon Sharyo Seizo Kaisha Ltd | Vibration-controlled base-isolated structure |
| JP2008196163A (en) * | 2007-02-09 | 2008-08-28 | Kyoto Univ | Seismic control stud |
| CN109914635A (en) * | 2019-04-10 | 2019-06-21 | 重庆大学 | A kind of rotation friction energy-dissipating wall |
| CN110359633A (en) * | 2019-07-29 | 2019-10-22 | 东南大学 | A kind of concrete foot joint of the replaceable energy consumption connection component containing high ductility |
| CN113323485A (en) * | 2021-05-31 | 2021-08-31 | 重庆大学 | Column base node of bending damper with replaceable after-earthquake |
| CN113323484A (en) * | 2021-05-31 | 2021-08-31 | 重庆大学 | Column base node of grid type damper with replaceable after-earthquake |
Non-Patent Citations (1)
| Title |
|---|
| 不同柱脚连接的自复位钢梁框架抗震性能试验;沈培文等;《哈尔滨工业大学学报》(第08期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113323481A (en) | 2021-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113323485B (en) | Column base node of bending damper with replaceable after-earthquake | |
| US7188452B2 (en) | Sleeved bracing useful in the construction of earthquake resistant structures | |
| CN111173134A (en) | Recoverable function intercolumniation connection structure | |
| CN205046755U (en) | Harm controllable shake and decrease steel column that to repair | |
| CN101761145A (en) | Compound energy-consumption supporting member for automatically recovering axis centering function | |
| CN113323481B (en) | Column base node with additional replaceable U-shaped damper after earthquake | |
| CN105178509A (en) | Damage controllable and seismic damage repairable steel column | |
| CN112681552B (en) | Second-order enhanced type connecting beam type metal damping shock absorption system | |
| CN113323484A (en) | Column base node of grid type damper with replaceable after-earthquake | |
| CN211447492U (en) | Toughness steel column | |
| CN210238934U (en) | Shear type steel truss coupling beam with friction damper and capable of being quickly recovered after earthquake | |
| CN211597165U (en) | Tension-compression damper with improved arc-shaped component and horizontal corrugated steel plate combined energy consumption | |
| CN209066636U (en) | A kind of close chamber mild steel damper of the waveform that addition type is replaceable | |
| CN113718806B (en) | Slope toughness frame structure system capable of realizing post-earthquake self-resetting function and construction method | |
| CN111218999A (en) | Metal and spring rubber composite damper | |
| CN110629898B (en) | Column bottom damper and corrugated web semi-wrapped column based on same | |
| JP5309184B2 (en) | Prop structure and guard fence | |
| CN211665939U (en) | Recoverable function intercolumniation connection structure | |
| CN112095448A (en) | Assembled damping device of high-speed railway bridge and application method and replacement method thereof | |
| CN218843401U (en) | Swinging structure of replaceable energy consumption damper based on SMA | |
| CN112160640B (en) | Assembled energy-consumption swinging support for recoverable function of power transmission tower structure | |
| CN114990994B (en) | Bridge assembled seismic isolation and reduction device capable of dissipating energy by stages through lock catch limiting | |
| CN116905655B (en) | Sleeve type flange connection modularized steel structure system and building thereof | |
| CN116927355B (en) | Assembled box section steel beam connecting node, mounting method and building | |
| CN115559287B (en) | Buckling-restrained supporting device for offshore suction bucket type jacket and jacket structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |