CN113323482A - Column base node of buckling-restrained energy dissipation mechanism with additional replaceable earthquake-resistant energy dissipation mechanism - Google Patents
Column base node of buckling-restrained energy dissipation mechanism with additional replaceable earthquake-resistant energy dissipation mechanism Download PDFInfo
- Publication number
- CN113323482A CN113323482A CN202110600967.3A CN202110600967A CN113323482A CN 113323482 A CN113323482 A CN 113323482A CN 202110600967 A CN202110600967 A CN 202110600967A CN 113323482 A CN113323482 A CN 113323482A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- column
- buckling
- energy dissipation
- bowl
- 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.)
- Granted
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
Abstract
The invention relates to a column base node of a buckling-restrained energy dissipation mechanism with an additional replaceable earthquake-resistant mechanism, 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 buckling-restrained energy dissipation mechanism sleeved on the periphery of the bowl-shaped support; the end surfaces of the upper bowl-shaped support and the lower bowl-shaped support are respectively provided with an arc-shaped bulge and an arc-shaped groove; the buckling-restrained energy dissipation mechanism is divided into an inner restraining sleeve, a core sleeve and an outer restraining sleeve from inside to outside; the core sleeve and the outer restraining sleeve are divided into two halves along the radial direction, a plurality of kidney-shaped holes are uniformly distributed on the circumference of the core sleeve, and mounting flanges are arranged at the upper end and the lower end of the core sleeve to be detachably connected with the upper steel end plate and the lower steel end plate; the two half external restraint sleeves are detachably connected into a whole through corresponding fixing flanges, and simultaneously the core sleeve and the internal restraint sleeve are clamped. The bowl-shaped support matched up and down realizes rotation in all directions during earthquake, and provides shear resistance; the buckling-restrained energy dissipation mechanism improves the energy dissipation and shock resistance, and is convenient to replace and maintain after an 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 buckling-restrained energy dissipation mechanism which can be replaced after an 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 column end 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 column base node with an additional post-earthquake replaceable buckling-restrained energy dissipation mechanism, so as to solve the problem of difficulty in post-earthquake maintenance and replacement of the existing column base node of the concrete frame structure.
In order to achieve the purpose, the invention provides the following technical scheme:
a column base node of an additional post-earthquake replaceable buckling-restrained energy dissipation mechanism comprises an upper column, a lower column, bowl-shaped supports and a buckling-restrained energy dissipation mechanism, wherein the upper column and the lower column are opposite up and down;
the upper column and the lower column are both reinforced concrete cylinders, 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;
the buckling-restrained energy dissipation mechanism comprises a steel inner restraining sleeve, a core sleeve and an outer restraining sleeve which are sequentially sleeved on the periphery of a bowl-shaped support matched with the upper column and the lower column from inside to outside; non-adhesive materials are respectively added between the inner constraint sleeve and the core sleeve and between the core sleeve and the outer constraint sleeve; the core sleeve is divided into two halves along the radial direction, a plurality of waist-shaped holes extending along the axial direction are uniformly distributed on the circumferential surface of the core sleeve, and mounting flanges are arranged at the upper end and the lower end of the core sleeve and are respectively detachably connected with the steel end plates of the upper column and the lower column; the outer restraining sleeve is also divided into two halves along the radial direction, the upper end and the lower end of the outer restraining sleeve are positioned between the mounting flanges at the upper end and the lower end of the core sleeve, two fixing flanges are symmetrically arranged on the circumferential surface of the notches at the two sides of each half of the outer restraining sleeve, the corresponding fixing flanges of the two halves of the outer restraining sleeve are detachably connected to connect the outer restraining sleeve into a whole, and the core sleeve and the inner restraining sleeve are clamped simultaneously.
Further, the inner constraining sheath is of an integral structure or is divided into two halves in the radial direction.
Furthermore, threaded holes are uniformly distributed in the steel end plates of the upper column and the lower column, bolt holes matched with the threaded holes in the steel end plates of the upper column and the lower column are correspondingly arranged in the mounting flanges at the upper end and the lower end of the core sleeve respectively, and the core sleeve is fastened by inserting the bolt holes and bolts in the corresponding threaded holes.
Furthermore, through holes are correspondingly formed in the fixing flanges corresponding to the two half external restraint sleeves, and the fixing flanges are fastened through bolts inserted into the through holes and nuts matched with the through holes.
The invention has the beneficial effects that:
(1) according to the invention, the concave-convex arc-shaped matching structure is formed by the bowl-shaped supports of the upper column and the lower column and the arc-shaped bulges and the arc-shaped grooves of the bowl-shaped supports, so that the rotation in all directions during earthquake is realized, and the shearing resistance can be provided.
(2) The buckling-restrained energy dissipation mechanism 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 buckling-restrained energy dissipation mechanism, when an earthquake occurs, the core sleeve connected with the upper column and the lower column plays an energy dissipation role, bears earthquake load and controls damage on the core sleeve, so that the main body part of the column base node is protected, and the earthquake resistance of the column base node is improved. After the core sleeve is damaged, the outer constraint sleeve is firstly disassembled, then the old core sleeve is disassembled, the new core sleeve is installed, the core sleeve is easily replaced, and the inner constraint sleeve and the outer constraint sleeve can be continuously used, so that the operation is convenient.
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 structural diagram of a column base node of an additional earthquake-replaceable buckling-restrained energy dissipation mechanism of the invention;
FIG. 2 is a cross-sectional view B-B of FIG. 1;
FIG. 3 is a schematic structural view of an inner constraining sheath;
FIG. 4 is a schematic view of the core sleeve configuration;
FIG. 5 is a schematic structural view of an outer constraining sheath;
fig. 6 is a schematic perspective view of a column base node of an additional earthquake-replaceable buckling-restrained energy dissipation mechanism according to the present invention.
Reference numerals: the upper column 1, the lower column 2, the steel end plate 3, the bowl-shaped support 4, the arc-shaped protrusion 5, the arc-shaped groove 6, the inner constraint sleeve 7, the core sleeve 8, the kidney-shaped hole 81, the mounting flange 82, the outer constraint sleeve 9 and the fixing flange 91.
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 6, a column base node of an additional shock-replaceable buckling-restrained energy dissipation mechanism 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 buckling-restrained energy dissipation mechanism which is sleeved on the periphery of the bowl-shaped support 4.
Specifically, the upper column 1 and the lower column 2 are reinforced concrete cylinders, 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 the steel bowl-shaped support 4, the end surface of the bowl-shaped support 4 of the upper column 1 is provided with an arc protrusion 5, the end surface of the bowl-shaped support 4 of the lower column 2 is provided with an arc groove 6, and the arc protrusion 5 and the arc groove 6 form a convex-concave arc matching structure.
The buckling-restrained energy dissipation mechanism comprises a steel inner restraining sleeve 7, a core sleeve 8 and an outer restraining sleeve 9 which are sequentially sleeved on the periphery of a bowl-shaped support 4 matched with the upper column 1 and the lower column 2 from inside to outside; non-adhesive materials are respectively added between the inner constraining sheath 7 and the core sheath 8 and between the core sheath 8 and the outer constraining sheath 9. The inner constraining sheath 9 may provide support for the core sheath 8.
In this embodiment, the inner restraining sleeve 7 is of an integral structure. In other embodiments, the inner constraining sheath 7 may be a split structure, split into two halves in the radial direction, according to the actual requirement.
The core sleeve 8 is of a split structure and is divided into two halves along the radial direction. A plurality of axially extending kidney-shaped holes 81 are uniformly distributed on the circumferential surface of the core sleeve 8, and the kidney-shaped holes 81 are helpful for improving the shock resistance of the core sleeve 8. The upper end and the lower end of the core sleeve 8 are provided with mounting flanges 82, the mounting flanges 82 at the upper end and the lower end are respectively and correspondingly provided with bolt holes matched with threaded holes uniformly distributed on the circumference of the steel end plate 3 of the upper column 1 and the lower column 2, and the core sleeve 8 is fixed on the steel end plate 3 of the upper column 1 and the lower column 2 through bolts inserted into the bolt holes.
The outer restraining sleeve 9 is also divided into two halves along the radial direction, the upper end and the lower end of the outer restraining sleeve 9 are positioned between the mounting flanges 82 at the upper end and the lower end of the core sleeve 8, two fixing flanges 91 are symmetrically arranged on the circumferential surface of the notches at the two sides of each half of the outer restraining sleeve 9, through holes are correspondingly arranged on the fixing flanges 91 corresponding to the two half of the outer restraining sleeve 9, the outer restraining sleeve 9 is connected into a whole through bolts inserted into the through holes and matched nuts, and the core sleeve 8 and the inner restraining sleeve 7 are clamped simultaneously.
The bowl-shaped supports 4 of the upper column 1 and the lower column 2 of the column base joint, the arc-shaped protrusions 5 of the bowl-shaped supports and the arc-shaped grooves 6 of the bowl-shaped supports form a convex-concave arc-shaped matching structure, rotation in all directions during earthquake is achieved, and the anti-shearing capacity can be provided.
According to the buckling-restrained energy dissipation mechanism of the column base node, the butt joint part of the upper column 1 and the lower column 2 of the column base node is wrapped in the buckling-restrained energy dissipation mechanism, when an earthquake occurs, the core sleeve 8 connected with the upper column 1 and the lower column 2 plays an energy dissipation role, bears earthquake load and controls damage on the core sleeve 8, so that the main body part of the column base node is protected, and the anti-seismic performance of the column base node is improved. After the core sleeve 8 is damaged, the outer constraint sleeve 9 is firstly disassembled, then the old core sleeve 8 is disassembled, the new core sleeve 8 is installed, the core sleeve 8 is easily replaced, the inner constraint sleeve 7 and the outer constraint sleeve 9 can be continuously used, and the operation is convenient.
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 (4)
1. The utility model provides a removable buckling restrained energy dissipation mechanism's post base node after additional shake which characterized in that: the buckling-restrained energy dissipation 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 buckling-restrained energy dissipation mechanisms which are sleeved on the peripheries of the bowl-shaped supports;
the upper column and the lower column are both reinforced concrete cylinders, 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;
the buckling-restrained energy dissipation mechanism comprises a steel inner restraining sleeve, a core sleeve and an outer restraining sleeve which are sequentially sleeved on the periphery of a bowl-shaped support matched with the upper column and the lower column from inside to outside; non-adhesive materials are respectively added between the inner constraint sleeve and the core sleeve and between the core sleeve and the outer constraint sleeve; the core sleeve is divided into two halves along the radial direction, a plurality of waist-shaped holes extending along the axial direction are uniformly distributed on the circumferential surface of the core sleeve, and mounting flanges are arranged at the upper end and the lower end of the core sleeve and are respectively detachably connected with the steel end plates of the upper column and the lower column; the outer restraining sleeve is also divided into two halves along the radial direction, the upper end and the lower end of the outer restraining sleeve are positioned between the mounting flanges at the upper end and the lower end of the core sleeve, two fixing flanges are symmetrically arranged on the circumferential surface of the notches at the two sides of each half of the outer restraining sleeve, the corresponding fixing flanges of the two halves of the outer restraining sleeve are detachably connected to connect the outer restraining sleeve into a whole, and the core sleeve and the inner restraining sleeve are clamped simultaneously.
2. The column foot node of an additional post-earthquake replaceable buckling-restrained energy dissipating mechanism according to claim 1, wherein: the inner restraining sleeve is of an integral structure or is divided into two halves in the radial direction.
3. The column foot node of an additional post-earthquake replaceable buckling-restrained energy dissipating mechanism according to claim 1, wherein: threaded holes are uniformly distributed in the steel end plates of the upper column and the lower column, bolt holes matched with the threaded holes in the steel end plates of the upper column and the lower column are correspondingly formed in the mounting flanges at the upper end and the lower end of the core sleeve respectively, and the core sleeve is fastened by inserting the bolt holes and bolts in the corresponding threaded holes.
4. The column foot node of an additional post-earthquake replaceable buckling-restrained energy dissipating mechanism according to claim 1, wherein: through holes are correspondingly arranged on the fixing flanges corresponding to the two half external restraint sleeves, and the fixing flanges are fastened through bolts inserted into the through holes and nuts matched with the through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110600967.3A CN113323482B (en) | 2021-05-31 | 2021-05-31 | Column base node of buckling-restrained energy dissipation mechanism with additional replaceable earthquake-resistant energy dissipation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110600967.3A CN113323482B (en) | 2021-05-31 | 2021-05-31 | Column base node of buckling-restrained energy dissipation mechanism with additional replaceable earthquake-resistant energy dissipation mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113323482A true CN113323482A (en) | 2021-08-31 |
| CN113323482B CN113323482B (en) | 2022-08-05 |
Family
ID=77422608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110600967.3A Active CN113323482B (en) | 2021-05-31 | 2021-05-31 | Column base node of buckling-restrained energy dissipation mechanism with additional replaceable earthquake-resistant energy dissipation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113323482B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002357010A (en) * | 2001-06-04 | 2002-12-13 | Toda Constr Co Ltd | Vibration-control structure |
| CN102767250A (en) * | 2012-07-06 | 2012-11-07 | 河海大学 | Assembled-type externally-restricted buckling-restrained supporting component |
| EP2966236A1 (en) * | 2014-07-07 | 2016-01-13 | Fundacíon Tecnalia Research & Innovation | Joining device for precast reinforced concrete columns with a dry joint |
| CN205777098U (en) * | 2016-05-29 | 2016-12-07 | 湖南大学 | A kind of detachable assembling type concrete-filled circular steel tube column |
| CN206889913U (en) * | 2017-05-26 | 2018-01-16 | 浙江远大重工锻压有限公司 | A kind of shock resistance flange of agricultural equipment |
| CN108049517A (en) * | 2018-01-11 | 2018-05-18 | 重庆大学 | A kind of external replaceable energy consuming components Self-resetting RC frame foot joints |
| CN207919899U (en) * | 2018-02-26 | 2018-09-28 | 西南科技大学 | A kind of steel core concrete column flange sleeve bindiny mechanism |
| KR102019890B1 (en) * | 2019-02-20 | 2019-09-09 | 우영철 | Pilotis Reinforcement Structure of Building |
| CN110629898A (en) * | 2019-09-19 | 2019-12-31 | 西安建筑科技大学 | Column bottom damper and corrugated web semi-wrapped column based on same |
| CN110792188A (en) * | 2019-12-03 | 2020-02-14 | 浙江科技学院 | Replaceable coupling beam with double safety mechanisms |
| CN110939233A (en) * | 2019-12-25 | 2020-03-31 | 华南理工大学 | Novel wood structure column base energy dissipation and shock absorption node structure and construction method thereof |
| CN110939232A (en) * | 2019-12-25 | 2020-03-31 | 华南理工大学 | Novel wood structure column base joint reinforcing structure and construction method thereof |
| CN112196121A (en) * | 2020-09-27 | 2021-01-08 | 青岛理工大学 | Bamboo joint type energy-consumption concrete filled steel tube column base node and installation method |
| CN112282055A (en) * | 2020-11-20 | 2021-01-29 | 北京建筑大学 | Separated core barrel flange closed section column connecting joint and construction and design method thereof |
-
2021
- 2021-05-31 CN CN202110600967.3A patent/CN113323482B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002357010A (en) * | 2001-06-04 | 2002-12-13 | Toda Constr Co Ltd | Vibration-control structure |
| CN102767250A (en) * | 2012-07-06 | 2012-11-07 | 河海大学 | Assembled-type externally-restricted buckling-restrained supporting component |
| EP2966236A1 (en) * | 2014-07-07 | 2016-01-13 | Fundacíon Tecnalia Research & Innovation | Joining device for precast reinforced concrete columns with a dry joint |
| CN205777098U (en) * | 2016-05-29 | 2016-12-07 | 湖南大学 | A kind of detachable assembling type concrete-filled circular steel tube column |
| CN206889913U (en) * | 2017-05-26 | 2018-01-16 | 浙江远大重工锻压有限公司 | A kind of shock resistance flange of agricultural equipment |
| CN108049517A (en) * | 2018-01-11 | 2018-05-18 | 重庆大学 | A kind of external replaceable energy consuming components Self-resetting RC frame foot joints |
| CN207919899U (en) * | 2018-02-26 | 2018-09-28 | 西南科技大学 | A kind of steel core concrete column flange sleeve bindiny mechanism |
| KR102019890B1 (en) * | 2019-02-20 | 2019-09-09 | 우영철 | Pilotis Reinforcement Structure of Building |
| CN110629898A (en) * | 2019-09-19 | 2019-12-31 | 西安建筑科技大学 | Column bottom damper and corrugated web semi-wrapped column based on same |
| CN110792188A (en) * | 2019-12-03 | 2020-02-14 | 浙江科技学院 | Replaceable coupling beam with double safety mechanisms |
| CN110939233A (en) * | 2019-12-25 | 2020-03-31 | 华南理工大学 | Novel wood structure column base energy dissipation and shock absorption node structure and construction method thereof |
| CN110939232A (en) * | 2019-12-25 | 2020-03-31 | 华南理工大学 | Novel wood structure column base joint reinforcing structure and construction method thereof |
| CN112196121A (en) * | 2020-09-27 | 2021-01-08 | 青岛理工大学 | Bamboo joint type energy-consumption concrete filled steel tube column base node and installation method |
| CN112282055A (en) * | 2020-11-20 | 2021-01-29 | 北京建筑大学 | Separated core barrel flange closed section column connecting joint and construction and design method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吕西林等: "带有可更换构件的结构体系研究进展", 《地震工程与工程振动》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113323482B (en) | 2022-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113323485B (en) | Column base node of bending damper with replaceable after-earthquake | |
| CN213682497U (en) | Steel construction support truss convenient to equipment | |
| CN207891890U (en) | A kind of groove device for fixing bracing members | |
| CN113323482B (en) | Column base node of buckling-restrained energy dissipation mechanism with additional replaceable earthquake-resistant energy dissipation mechanism | |
| CN106760015B (en) | Energy consumption rod iron and concrete energy consumption structure with same | |
| CN113323484A (en) | Column base node of grid type damper with replaceable after-earthquake | |
| CN203034611U (en) | Device for achieving strong column and weak beam panel point of concrete filled steel tube | |
| CN113530338A (en) | Self-resetting concrete column with additional replaceable damper and steel pipe concrete structure | |
| CN209760874U (en) | Reinforced supporting structure for constructional engineering | |
| CN213390657U (en) | Self-resetting seismic isolation support with friction energy consumption function | |
| CN113530337B (en) | Self-resetting concrete column with bowl-shaped structure and additional replaceable damper | |
| CN113565360B (en) | Self-resetting concrete column with variable cross-section shear keys and additional replaceable damper | |
| CN219548565U (en) | Novel training field | |
| CN209159390U (en) | Supporting linkage and support connection component | |
| CN113585455A (en) | Fixing method and fixing device for concrete flexural member | |
| CN219825647U (en) | Shock-resistant steel beam and concrete column rigid joint point | |
| CN113323481B (en) | Column base node with additional replaceable U-shaped damper after earthquake | |
| CN206667476U (en) | A kind of novel joint of steel construction abnormity beam column | |
| CN215057410U (en) | Reinforcing device | |
| CN214740469U (en) | Foundation pit isolation protection structure | |
| CN113530336B (en) | Concrete column with additional replaceable damper of steel pipe concrete structure | |
| CN217652504U (en) | Enclose fender convenient to equipment usefulness is dismantled in municipal garden construction | |
| CN209855203U (en) | But recovery type is soft to be drawn hard and is propped even wall spare | |
| CN218406607U (en) | Adjustable pre-buried sleeve fixing device that can have enough to meet need | |
| CN213979312U (en) | High-strength assembly type integrated frame for building |
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 |