CN114908875A - Self-resetting steel column base - Google Patents
Self-resetting steel column base Download PDFInfo
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- CN114908875A CN114908875A CN202210588598.5A CN202210588598A CN114908875A CN 114908875 A CN114908875 A CN 114908875A CN 202210588598 A CN202210588598 A CN 202210588598A CN 114908875 A CN114908875 A CN 114908875A
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- steel
- steel column
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- plate
- resetting
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
The invention discloses a self-resetting steel column base, which comprises a foundation element; the steel bottom plate is arranged on the top surface of the base piece; the steel column is fixed on the steel bottom plate, and the side wall of the bottom end of the steel column is provided with a radially protruding energy dissipation steel plate; the number of the anchor rods is multiple, the anchor rods are divided into two groups, and the two groups of anchor rods are respectively arranged on the inner side and the outer side of the steel column; the bottom end of the anchor rod on the inner side of the steel column is fixed in the foundation element and upwards penetrates through the steel bottom plate, and is sleeved with the disc-shaped spring; the top ends of the anchor rods are fastened through bolts. According to the self-resetting steel column base, the damage of the structure is relieved by lifting the bottom after an earthquake, the structure swings under the action of the earthquake, the structure is reset through prestress to form a self-resetting structure, the self-resetting steel column base is high in energy consumption capability and excellent in self-resetting capability, the anti-seismic capability is improved, the integral residual deformation of the structure is small, and the damage to structural members is low.
Description
Technical Field
The invention relates to the technical field of earthquake prevention and disaster reduction of building structures, in particular to a self-resetting steel column base.
Background
The steel frame structure column base constructed by the traditional earthquake-proof design method is generally a rigid column base, and energy is dissipated through yielding of the column base. The design method can cause the column base to generate serious yield after the strong earthquake, the reinforcing and maintaining cost is expensive, and the residual deformation is larger.
With the increasing improvement of the living standard of people, the earthquake-resistant performance of a building by a user is further improved, and the earthquake-resistant performance design becomes a research and development direction which is widely concerned by the current earthquake engineering field. On the basis of meeting the basic requirements of 'no damage of small earthquake, repairable middle earthquake and no fall of large earthquake', how to reduce earthquake damage and quickly recover the use function is the leading research direction of the current building earthquake-resistant field.
Therefore, how to provide a steel column base with low damage self-resetting characteristics after an earthquake is a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of this, the present invention provides a self-resetting steel column base, which aims to solve the above technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-resetting steel column foot comprising:
a base member;
a steel bottom plate; the steel bottom plate is attached to the top surface of the base piece;
a steel column; the steel column is vertically fixed on the steel bottom plate, and the side wall of the bottom end of the steel column is provided with a radially protruding energy dissipation steel plate corresponding to the steel bottom plate;
an anchor rod; the number of the anchor rods is multiple, the anchor rods are divided into two groups, and the two groups of anchor rods are respectively arranged on the inner side and the outer side of the steel column; the bottom end of the anchor rod on the inner side of the steel column is fixed inside the foundation component and upwards penetrates through the steel bottom plate, a disc-shaped spring is sleeved on the anchor rod, the bottom end of the anchor rod on the outer side of the steel column is fixed inside the foundation component and upwards penetrates through the steel bottom plate and the energy dissipation steel plate, and a plurality of anchor rods on the outer side of the steel column are arranged on the outer side of the steel column in a surrounding mode; and the top ends of the anchor rods are fastened through bolts.
Through the technical scheme, the self-resetting steel column base has the characteristics of low damage and automatic resetting after an earthquake, the structure is lightened in damage by lifting the bottom after the earthquake, the structure swings under the earthquake action, and the structure is reset through prestress to form the self-resetting structure.
Preferably, in the self-resetting steel column base, the anchor rod on the inner side of the steel column is sleeved with two gaskets, and the two gaskets are respectively located at two ends of the disc spring and fastened through the bolt.
Preferably, in the self-resetting steel column base, the bolt located at the inner side of the steel column is used for pressing the disc spring and the two gaskets against the steel bottom plate.
Preferably, in the self-resetting steel column base, the anchor rods on the outer side of the steel column are respectively sleeved with a cushion block, and the cushion blocks are located between the steel bottom plate and the energy dissipation steel plate.
Preferably, in the self-resetting steel column base, the bolts located at the outer side of the steel column are used for tightly propping against the energy dissipation steel plate, the cushion block and the steel bottom plate.
Preferably, in the self-resetting steel column base, the size of the cross section of the energy-dissipating steel plate close to one end of the steel column is larger than that of the cross section of the end far away from the steel column, so that the sections are smooth and excessive, and yield and energy dissipation can be realized simultaneously when energy dissipation and shock absorption are performed on the sections.
Preferably, in the self-resetting steel column base, the steel bottom plate comprises a rectangular plate and four extension steel plates welded to the peripheral edges of the rectangular plate, the rectangular plate is welded and fixed to the steel column, and the four extension steel plates correspond to the four energy dissipation steel plates respectively; or the steel bottom plate is formed by cutting a whole steel plate into a rectangular plate in the middle and four extension plates at the peripheral edges. The steel bottom plate of steel column bottom all exerts energy dissipation shock-absorbing function at the part of protrusion steel column lateral wall and energy dissipation steel sheet, and the whole piece steel bottom plate is whole to be cut and is formed, or steel bottom plate mid portion is the rectangle, and the overhanging part links together with the rectangle part and forms wholly. In essence, the steel bottom plate through which the anchor rods on the outer side of the steel column pass upwards also plays a role in energy dissipation.
Preferably, in the self-resetting steel column base, the anchor rods are high-strength anchor rods and are embedded and fixed in the foundation member.
Preferably, in the self-resetting steel column base, the steel column is an i-shaped steel column or a square steel column.
Preferably, in the self-resetting steel column base, when the steel column is an i-shaped steel column, a local sealing plate is welded to a side opening at the bottom end of the i-shaped steel column, and the local sealing plate is used for being welded and fixed with the energy dissipation steel plate; and a stiffening rib is fixed between the two flange plates on the inner side of the I-shaped steel column.
Preferably, in the self-resetting steel column base, the number of the anchor rods on the outer side of the steel column and the number of the anchor rods on the inner side of the steel column are 4.
Preferably, in the self-resetting steel column base, the sum of the shear bearing capacity of the anchor rod and the friction force between the steel bottom plate and the foundation element is greater than the seismic shear force of the base.
Preferably, in the self-resetting steel column base, the design of the disc spring is determined according to parameters such as the designed rotational displacement of the column base and the self-resetting restoring force thereof.
Preferably, in the self-resetting steel column base, the base member is a rectangular body.
Preferably, in the self-resetting steel column base, the steel column and the bottom plate are welded and fixed through groove welding.
Preferably, in the self-resetting steel column base, the base rotates when a high-intensity earthquake or a rare-intensity earthquake is set up, the rotating point is located at the contact interface of the side wall of the bottom end of the base and a foundation member, and the moment of a yield component such as an energy dissipation steel plate after the earthquake to the rotating point is smaller than the moment of a disc spring to the rotating point; the disc spring applies initial pre-pressure according to design, and the inner diameter of the disc spring is slightly larger than the outer diameter of the anchor rod.
According to the technical scheme, compared with the prior art, the invention discloses the self-resetting steel column base, which has the following beneficial effects:
1. compared with the existing self-resetting column base, the self-resetting steel column base provided by the invention has the advantages that the energy consumption performance of the whole structure is remarkably improved by horizontally overhanging and fixing four energy dissipation steel plates on four side surfaces of the steel column, and the self-resetting capability of the structure is also remarkably improved by a plurality of disc spring groups in the steel column.
2. The self-resetting steel column base provided by the invention has a more stable structure, the steel column, the energy dissipation steel plate and the steel bottom plate are welded and connected, the steel bottom plate is fastened on the top of the foundation element by bolts, anchor rods and the like, and the lateral displacement of the column bottom is controlled to a greater extent.
3. The invention needs to carry out on-site tensioning construction except the prestressed anchor rod, and other components can be constructed by adopting a factory processing on-site assembly mode, and the energy dissipation steel plate and the steel bottom plate can be connected with the foundation component through the preset connecting holes by arranging the connecting holes on the steel bottom plate and the energy dissipation steel plate in advance, thereby shortening the construction period.
4. The invention adopts the energy consumption steel plate as an energy consumption element, and dissipates the earthquake energy through the metal plastic deformation of the energy consumption steel plate. Meanwhile, the energy consumption steel plate is arranged on the outer side of the steel column, and if the energy consumption device is damaged after an earthquake, only the corresponding energy consumption device outside the steel column needs to be replaced.
5. The invention can be used in important building structures in high-intensity earthquake areas, has strong energy consumption capability and self-resetting capability and strong structural stability, and can be widely applied to the field of various building structures with recoverable functions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of embodiment 1 provided by the invention;
FIG. 2 is a top view of embodiment 1 of the present invention;
FIG. 3 is a schematic structural diagram of embodiment 2 provided by the present invention;
fig. 4 is a top view of embodiment 2 of the present invention.
Wherein:
1-a base member; 2-steel column; 3-energy dissipation steel plates; 4-a steel bottom plate; 5-anchor rod; 6-a disc spring; 7-cushion block; 8-bolt; 9-a gasket; 10-stiffening ribs.
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 the accompanying drawings 1 to 4, the embodiment of the invention discloses a self-resetting steel column base, which comprises:
a base member 1;
a steel bottom plate 4; the steel bottom plate 4 is attached to the top surface of the base member 1;
a steel column 2; the steel column 2 is vertically fixed on the steel bottom plate 4, and the side wall of the bottom end of the steel column 2 is provided with a radially protruding energy dissipation steel plate 3 corresponding to the steel bottom plate 4;
an anchor rod 5; the number of the anchor rods 5 is multiple, the anchor rods are divided into two groups, and the two groups are respectively arranged on the inner side and the outer side of the steel column 2; the bottom end of an anchor rod 5 on the inner side of a steel column 2 is fixed in a foundation member 1 and upwards penetrates through a steel bottom plate 4, and is sleeved with a disc-shaped spring 6, the bottom end of the anchor rod 5 on the outer side of the steel column 2 is fixed in the foundation member 1 and upwards penetrates through the steel bottom plate 4 and an energy dissipation steel plate 3, and a plurality of anchor rods 5 on the outer side of the steel column 2 are arranged on the outer side of the steel column 2 in a surrounding mode; the top ends of the plurality of anchor rods 5 are fastened through bolts 8.
In order to further optimize the technical scheme, the anchor rod 5 on the inner side of the steel column 2 is sleeved with two gaskets 9, and the two gaskets 9 are respectively positioned at two ends of the disc spring 6 and fastened through bolts 8. And the bolt 8 positioned on the inner side of the steel column 2 is used for tightly pressing the disc spring 6 and the two gaskets 9 on the steel bottom plate 4.
In order to further optimize the technical scheme, the anchor rods 5 on the outer sides of the steel columns 2 are respectively sleeved with a cushion block 7, and the cushion blocks 7 are located between the steel bottom plate 4 and the energy dissipation steel plate 3. And the bolts 8 positioned on the outer side of the steel column 2 are used for tightly jacking the energy dissipation steel plate 3, the cushion block 7 and the steel bottom plate 4.
In order to further optimize the technical scheme, the steel bottom plate 4 comprises a rectangular plate and four extension steel plates welded at the peripheral edges of the rectangular plate, the rectangular plate is welded and fixed with the steel column 2, and the four extension steel plates respectively correspond to the four energy dissipation steel plates 3; or, the steel bottom plate 4 is formed by cutting a whole steel plate into a rectangular plate at the middle part and four extension plates at the peripheral edges.
In order to further optimize the technical scheme, the number of the anchor rods 5 on the outer side of the steel column 2 and the number of the anchor rods 5 on the inner side of the steel column 2 are both 4.
The invention provides a construction method of a self-resetting steel column base structure, which comprises the following steps:
reserved holes are arranged on the energy dissipation steel plate 3 and the steel bottom plate 4. Firstly, embedding anchor rods 5 at specific positions, placing a steel base plate 4 on the top of a foundation member 1, sleeving disc springs 6 on the anchor rods 5 inside a steel column 2 and fastening the anchor rods by bolts 8, then placing the steel column 2 on the top of the steel base plate 4 and welding and connecting the steel base plate 4 with a groove, finally installing energy dissipation steel plates 3, horizontally fixing the energy dissipation steel plates on the outer sides of four side surfaces of the steel column 2, sleeving the energy dissipation steel plates on the anchor rods 5 outside the steel column 2 together with the steel base plate 4 and cushion blocks 7 and fastening the energy dissipation steel plates on the foundation member 1 by the bolts 8.
Example 1:
referring to the attached drawings 1 and 2, the steel column 2 in the embodiment is an i-shaped steel column, a local sealing plate is welded to a side opening at the bottom end of the i-shaped steel column, and the local sealing plate is used for being welded and fixed with the energy dissipation steel plate 3; a stiffening rib 10 is fixed between the two flange plates at the inner side of the I-shaped steel column.
Example 2:
referring to fig. 3 and 4, the present embodiment is different from embodiment 1 in that:
and the steel column 2 is a square steel pipe column. The other structure of this embodiment is the same as embodiment 1.
The self-resetting steel column base provided by the invention can be used in important building structures in high-intensity earthquake areas, has very strong energy consumption capability and self-resetting capability and strong structural stability, and can be widely applied to the field of various building structures with recoverable functions.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A self-resetting steel column base is characterized by comprising:
a base member (1);
a steel bottom plate (4); the steel bottom plate (4) is attached to the top surface of the foundation member (1);
a steel column (2); the steel column (2) is vertically fixed on the steel bottom plate (4), and the side wall of the bottom end of the steel column (2) is provided with a radially protruding energy dissipation steel plate (3) corresponding to the steel bottom plate (4);
an anchor rod (5); the number of the anchor rods (5) is multiple, the anchor rods are divided into two groups, and the two groups of anchor rods are respectively arranged on the inner side and the outer side of the steel column (2); the bottom end of the anchor rod (5) on the inner side of the steel column (2) is fixed inside the foundation component (1), upwards penetrates through the steel bottom plate (4) and is sleeved with a disc-shaped spring (6), the bottom end of the anchor rod (5) on the outer side of the steel column (2) is fixed inside the foundation component (1), upwards penetrates through the steel bottom plate (4) and the energy dissipation steel plate (3), and the anchor rods (5) on the outer side of the steel column (2) are arranged on the outer side of the steel column (2) in a surrounding mode; the top ends of the anchor rods (5) are fastened through bolts (8).
2. The self-resetting steel column base according to claim 1, characterized in that the anchor rods (5) on the inner sides of the steel columns (2) are sleeved with two gaskets (9), and the two gaskets (9) are respectively positioned at two ends of the disc springs (6) and fastened through the bolts (8); the bolt (8) positioned on the inner side of the steel column (2) is used for tightly pushing the disc spring (6) and the two gaskets (9) against the steel bottom plate (4).
3. The self-resetting steel column base according to claim 1, characterized in that the anchor rods (5) on the outer side of the steel column (2) are sleeved with cushion blocks (7), and the cushion blocks (7) are positioned between the steel bottom plate (4) and the energy dissipation steel plate (3); and the bolts (8) positioned on the outer side of the steel column (2) are used for tightly jacking the energy dissipation steel plate (3), the cushion block (7) and the steel bottom plate (4).
4. Self-restoring steel column foot according to claim 1, characterised in that the end of the energy-dissipating steel plate (3) close to the steel column (2) has a larger cross-sectional dimension than the end remote from the steel column (2) and the sections between the two ends are in smooth transition.
5. The self-resetting steel column base according to claim 1, characterized in that the steel bottom plate (4) comprises a rectangular plate and four extension steel plates welded at the peripheral edges of the rectangular plate, the rectangular plate is welded and fixed with the steel column (2), and the four extension steel plates respectively correspond to the four energy dissipation steel plates (3); or the steel bottom plate (4) is formed by cutting a whole steel plate into a rectangular plate in the middle and four extension plates at the peripheral edges.
6. The self-resetting steel column base according to claim 1, wherein the anchor rods (5) are high-strength anchor rods and are pre-embedded and fixed in the foundation member (1).
7. The self-resetting steel column base according to claim 1, characterized in that the steel column (2) is an I-shaped steel column or a square steel column.
8. The self-resetting steel column base according to claim 1, characterized in that when the steel column (2) is an i-shaped steel column, a local sealing plate is welded to a side opening at the bottom end of the i-shaped steel column, and the local sealing plate is used for being welded and fixed with the energy dissipation steel plate (3); and a stiffening rib (10) is fixed between the two flange plates on the inner side of the I-shaped steel column.
9. A self-resetting steel column foot according to claim 1, characterized in that the number of said anchor rods (5) outside said steel column (2) and said anchor rods (5) inside said steel column (2) are 4 each.
10. A self-restoring steel column foot according to claim 1, characterised in that the sum of the shear-bearing capacity of the anchor rods (5) and the friction of the steel bottom plate (4) with the foundation element (1) is greater than the seismic shear of the foot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210588598.5A CN114908875A (en) | 2022-05-26 | 2022-05-26 | Self-resetting steel column base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210588598.5A CN114908875A (en) | 2022-05-26 | 2022-05-26 | Self-resetting steel column base |
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| CN114908875A true CN114908875A (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202210588598.5A Pending CN114908875A (en) | 2022-05-26 | 2022-05-26 | Self-resetting steel column base |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001303587A (en) * | 2000-04-25 | 2001-10-31 | Okabe Co Ltd | Aseismatic construction method for anchor bolt |
| US20150259914A1 (en) * | 2014-03-17 | 2015-09-17 | Hitachi Metals Techno, Ltd. | Column structure and base member |
| CN206091073U (en) * | 2016-07-08 | 2017-04-12 | 西安建筑科技大学 | Power consumption of outer stretch -draw formula is from restoring to throne rectangular concrete -filled steel tube frame column base node |
| CN108756005A (en) * | 2018-06-22 | 2018-11-06 | 大连理工大学 | The exposed steel kind design of highly energy-consuming and construction, maintaining method that can be quickly repaired after shake |
| CN110344432A (en) * | 2019-07-01 | 2019-10-18 | 大连理工大学 | A kind of pin-connected panel damages controllable steel kind design |
| CN110835975A (en) * | 2019-11-25 | 2020-02-25 | 海南大学 | Tough energy-consuming steel column and construction and installation method thereof |
| CN110835974A (en) * | 2019-11-25 | 2020-02-25 | 海南大学 | Tough steel column and construction and installation method thereof |
| CN111075112A (en) * | 2019-11-25 | 2020-04-28 | 海南大学 | Self-resetting enhanced column base and construction and installation method thereof |
-
2022
- 2022-05-26 CN CN202210588598.5A patent/CN114908875A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001303587A (en) * | 2000-04-25 | 2001-10-31 | Okabe Co Ltd | Aseismatic construction method for anchor bolt |
| US20150259914A1 (en) * | 2014-03-17 | 2015-09-17 | Hitachi Metals Techno, Ltd. | Column structure and base member |
| CN206091073U (en) * | 2016-07-08 | 2017-04-12 | 西安建筑科技大学 | Power consumption of outer stretch -draw formula is from restoring to throne rectangular concrete -filled steel tube frame column base node |
| CN108756005A (en) * | 2018-06-22 | 2018-11-06 | 大连理工大学 | The exposed steel kind design of highly energy-consuming and construction, maintaining method that can be quickly repaired after shake |
| CN110344432A (en) * | 2019-07-01 | 2019-10-18 | 大连理工大学 | A kind of pin-connected panel damages controllable steel kind design |
| CN110835975A (en) * | 2019-11-25 | 2020-02-25 | 海南大学 | Tough energy-consuming steel column and construction and installation method thereof |
| CN110835974A (en) * | 2019-11-25 | 2020-02-25 | 海南大学 | Tough steel column and construction and installation method thereof |
| CN111075112A (en) * | 2019-11-25 | 2020-04-28 | 海南大学 | Self-resetting enhanced column base and construction and installation method thereof |
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