CN113530337A - Self-resetting concrete column with bowl-shaped structure and additional replaceable damper - Google Patents
Self-resetting concrete column with bowl-shaped structure and additional replaceable damper Download PDFInfo
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- CN113530337A CN113530337A CN202110881490.0A CN202110881490A CN113530337A CN 113530337 A CN113530337 A CN 113530337A CN 202110881490 A CN202110881490 A CN 202110881490A CN 113530337 A CN113530337 A CN 113530337A
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- column
- bowl
- dampers
- shaped structure
- stand
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0237—Structural braces with damping devices
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to a self-resetting concrete column with a bowl-shaped structure and an additional replaceable damper, belonging to the technical field of structural engineering seismic resistance and comprising an upper column, a lower column, a bowl-shaped structure, a spring and a damper; the bowl-shaped structure is arranged between the upper column and the lower column in the middle and comprises a stand column and a supporting seat below the stand column, a plurality of stand columns are uniformly distributed, the upper end of each stand column is fixedly connected with an end plate of the upper column, an arc-shaped bulge is arranged at the lower end of each stand column, an arc-shaped groove matched with the arc-shaped bulge is arranged at the upper end of the supporting seat, and a plurality of uniformly distributed springs are connected between the lower end of the supporting seat and the end plate of the lower column; when earthquake happens, the upright post lifts up along with the upper post to shear, and self-resetting is realized by the spring. The dampers are four in number and surround the bowl-shaped structure, the upper end and the lower end of each damper are detachably connected with the end plates of the upper column and the lower column respectively, the dampers can dissipate earthquake energy, damage of the structure after the earthquake is reduced, and the damper 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 self-resetting concrete column with a bowl-shaped structure and an additional replaceable damper.
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 end part of the concrete frame column foot can generate plastic hinge, and the stability of the whole structure is influenced. The column base is difficult to repair after being damaged, 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 self-resetting concrete column with a bowl-shaped structure and an additional replaceable damper, so as to solve the problem of difficulty in post-earthquake maintenance of the existing concrete column.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-resetting concrete column with a bowl-shaped structure and an additional replaceable damper comprises an upper column, a lower column, the bowl-shaped structure, a spring and the damper;
the upper column and the lower column are arranged at intervals and are reinforced concrete square columns, and end plates are respectively fixed on the mutually-oriented cylindrical surfaces of the upper column and the lower column; the bowl-shaped structure is arranged between the upper column and the lower column in the middle and comprises a stand column and a supporting seat below the stand column, a plurality of stand columns are uniformly distributed, the upper end of each stand column is fixedly connected with an end plate of the upper column, an arc-shaped bulge is arranged at the lower end of each stand column, an arc-shaped groove matched with the arc-shaped bulge is arranged at the upper end of the supporting seat, and a plurality of uniformly distributed springs are connected between the lower end of the supporting seat and the end plate of the lower column;
the dampers are four groups and are arranged around the bowl-shaped structure, and the upper ends and the lower ends of the dampers are detachably connected with the end plates of the upper column and the lower column respectively.
Furthermore, the quantity of the upright posts is equal to that of the springs, and the upright posts and the springs are arranged in a one-to-one correspondence manner from top to bottom.
Furthermore, the quantity of stand and spring is 9 respectively, can adjust according to concrete engineering.
Further, each set of dampers comprises a slideway, a dog bone plate and a restraining sleeve; the two slideways are fixedly connected to the end plates of the upper column and the lower column respectively, the dog bone plate is in a shape with two wide ends and a narrow middle part, the upper end and the lower end of the dog bone plate are inserted into the slideways respectively, and the middle part of the dog bone plate is sleeved with the restraint sleeve.
Furthermore, the upper end and the lower end of the dog bone plate are respectively connected with the corresponding slide ways through bolts.
Further, the end plate, the bowl-shaped structure and the damper are made of steel.
The invention has the beneficial effects that:
(1) the arc-shaped bulge of the stand column is matched with the arc-shaped groove of the supporting seat, the stand column can rotate along with the upper column when an earthquake occurs, and the anti-shearing function is achieved.
(2) The self-resetting of the bowl-shaped structure and the upper column is realized by utilizing the elastic force provided by the spring.
(3) The damper plays a role in dissipating seismic energy, bears seismic load and controls damage on the damper, so that the connecting joint part of the upper column and the lower column is protected, and the seismic performance of the concrete column is improved. Because the attenuator can be dismantled with upper prop, lower post and be connected, take place easily to change after the damage.
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 may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the 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 cross-sectional view of the present invention (damper uninstalled state);
FIG. 2 is a perspective view of the present invention (with damper not installed);
fig. 3 is a schematic structural view of the damper.
Reference numerals: the upper column 1, the lower column 2, the end plate 3, the upright column 4, the arc-shaped protrusion 5, the supporting seat 6, the arc-shaped groove 7, the spring 8, the damper 9, the slide 901, the dog bone plate 902 and the constraint sleeve 903.
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; to better illustrate 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.
Referring to fig. 1 to 3, a self-restoring concrete column with a bowl-shaped structure and an additional replaceable damper comprises an upper column 1, a lower column 2, a bowl-shaped structure, a spring 8 and a damper 9.
The upper column 1 and the lower column 2 are arranged at intervals and are reinforced concrete square columns, and steel end plates 3 are respectively fixed on the mutually-oriented cylindrical surfaces of the upper column and the lower column; between 1 and the lower prop 2 of upper prop is located between two parties to bowl form structure, steel supporting seat 6 including steel circular stand 4 and its below, stand 4 has 9 with the matrix mode equipartition, and the upper end of stand 4 links firmly with the end plate 3 of upper prop 1, and the lower extreme of stand 4 is equipped with arc arch 5, and the upper end of supporting seat 6 is equipped with the arc recess 7 with the protruding 5 matched with of arc, is connected the spring 8 of 9 equipartitions between the lower extreme of supporting seat 6 and the end plate 3 of lower prop 2, and the one-to-one sets up about stand 4 and the spring 8.
The arc-shaped bulge 5 of the upright post 4 is matched with the arc-shaped groove 7 of the supporting seat 6, and the upright post 4 can be lifted up along with the upper post 1 when an earthquake occurs, so that the anti-shearing function is realized. And the spring 8 provides elastic force to realize self-resetting of the bowl-shaped structure and the upper column 1.
The dampers 9 are made of steel, and are four groups in total and are arranged around the bowl-shaped structure. Each set of dampers 9 comprises a slide 901, a dog bone plate 902 and a restraining sleeve 903; the two slide ways 901 are fixedly connected to the end plates 3 of the upper column 1 and the lower column 2 respectively, the dog bone plate 902 is in a shape with two wide ends and a narrow middle part, the upper end and the lower end of the dog bone plate 902 are inserted into the slide ways 901 respectively and are connected through bolts, the bolts are unscrewed, and the dog bone plate 902 can be detached along the slide ways 901 conveniently. The dog bone plate 902 is sleeved with the restraining sleeve 903 in the middle, the restraining sleeve 903 is formed by welding a plurality of steel plates and is provided with a cavity for accommodating the middle part of the restraining sleeve 903, and the restraining sleeve 903 plays a role in preventing the dog bone plate 902 from buckling.
The damper 9 plays a role in dissipating seismic energy, bears seismic load, and controls damage on the damper 9, so that the connection joint part of the upper column 1 and the lower column 2 is protected, and the seismic performance of the concrete column is improved. Because the damper 9 can be detachably connected with the upper column 1 and the lower column 2, the damper is easy to replace after being damaged.
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. The utility model provides a have additional removable attenuator from restoring to throne concrete column of bowl-shaped structure which characterized in that: comprises an upper column, a lower column, a bowl-shaped structure, a spring and a damper;
the upper column and the lower column are arranged at intervals and are reinforced concrete square columns, and end plates are respectively fixed on the mutually-oriented cylindrical surfaces of the upper column and the lower column; the bowl-shaped structure is arranged between the upper column and the lower column in the middle and comprises a stand column and a supporting seat below the stand column, a plurality of stand columns are uniformly distributed, the upper end of each stand column is fixedly connected with an end plate of the upper column, an arc-shaped bulge is arranged at the lower end of each stand column, an arc-shaped groove matched with the arc-shaped bulge is arranged at the upper end of the supporting seat, and a plurality of uniformly distributed springs are connected between the lower end of the supporting seat and the end plate of the lower column;
the dampers are four groups and are arranged around the bowl-shaped structure, and the upper ends and the lower ends of the dampers are detachably connected with the end plates of the upper column and the lower column respectively.
2. The self-healing concrete column with additional replaceable dampers of bowl-like structure according to claim 1, characterized in that: the quantity of the upright posts is equal to that of the springs, and the upright posts are arranged in a one-to-one correspondence manner from top to bottom.
3. The self-healing concrete column with additional replaceable dampers of bowl structure according to claim 2, characterized in that: the quantity of stand and spring is 9 respectively.
4. The self-healing concrete column with additional replaceable dampers of bowl-like structure according to claim 1, characterized in that: each group of dampers comprises a slideway, a dog bone plate and a restraining sleeve; the two slideways are fixedly connected to the end plates of the upper column and the lower column respectively, the dog bone plate is in a shape with two wide ends and a narrow middle part, the upper end and the lower end of the dog bone plate are inserted into the slideways respectively, and the middle part of the dog bone plate is sleeved with the restraint sleeve.
5. The self-healing concrete column with additional replaceable dampers of bowl-like structure according to claim 4, characterized in that: the upper end and the lower end of the dog bone plate are respectively connected with the corresponding slide ways through bolts.
6. The self-healing concrete column with additional replaceable dampers of bowl-like structure according to claim 1, characterized in that: the end plate, the bowl-shaped structure and the damper are made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110881490.0A CN113530337B (en) | 2021-08-02 | 2021-08-02 | Self-resetting concrete column with bowl-shaped structure and additional replaceable damper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110881490.0A CN113530337B (en) | 2021-08-02 | 2021-08-02 | Self-resetting concrete column with bowl-shaped structure and additional replaceable damper |
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| Publication Number | Publication Date |
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| CN113530337A true CN113530337A (en) | 2021-10-22 |
| CN113530337B CN113530337B (en) | 2023-02-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115680352A (en) * | 2022-12-30 | 2023-02-03 | 中交第四航务工程勘察设计院有限公司 | Shock-absorbing device for building structure |
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| CN113530337B (en) | 2023-02-03 |
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