CN109653356A - A kind of Self-resetting steel frame eccentrical braces of flange plate - Google Patents
A kind of Self-resetting steel frame eccentrical braces of flange plate Download PDFInfo
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- CN109653356A CN109653356A CN201910071421.6A CN201910071421A CN109653356A CN 109653356 A CN109653356 A CN 109653356A CN 201910071421 A CN201910071421 A CN 201910071421A CN 109653356 A CN109653356 A CN 109653356A
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- beam section
- cantilever beam
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- attachment device
- section
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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
-
- 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
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
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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
- E04H9/024—Structures with steel columns and beams
-
- 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
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- 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
- E04B2001/2466—Details of the elongated load-supporting parts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The present invention relates to a kind of Self-resetting steel frame eccentrical braces of flange plate, belong to structural engineering field.Main member and attachment device of the invention can produce in factory, and in-site installation greatly shortens construction period, improve construction quality and economic benefit；Top flange cover board is arranged to the bent amplitude control of the board-like progress edge of a wing cover board drum of inner cover；It is board-like that lower flange cover board is arranged to outer cover, the with good performance visual and replacement property sentenced；It is played a role jointly by the cantilever beam section of two square steel tube upper props with cantilever beam section, I-shaped beam section, two group of first attachment device and two groups of automatic runback devices, improve the total bearing capacity of node and can avoid the excessive overstressing load to I-shaped beam section of drag-line pretension in automatic runback device；The destruction position of seismic loading flowering structure can be made to occur at the dissipative members such as the high-strength bolt and connecting plate being easily changed by targeted design, convenient for repairing after shake, be adapted to the growth requirement of the assembling type steel structure of recoverable function.
Description
Technical field
This patent is related to a kind of Self-resetting steel frame eccentrical braces of flange plate, belongs to Structural Engineering technology neck
Domain.
Background technique
With the quickening of urbanization process, the development of building field and technical level are constantly promoted, in addition environmental pollution and
The defect of the influence of problem of resource waste, feature of environmental protection difference existing for traditional architecture system gradually exposes, green assembling type steel structure,
Start to become the main Types of building system.Compared with traditional system, the system construction quality, in terms of,
All have significant advantage." playing with building blocks " is a kind of representative construction method, largely accelerates speed of application,
Engineering funds are saved.It applies it in the design and development of all kinds of building systems, is the main of building field future development
Trend.
Frame system design is unreasonable, makes structure that brittle break occur under seismic loading and aggravates earthquake disaster, prestige
Coerce people life property safety.Existing research shows that can effectively improve ultimate bearing capacity of joints by the design of reasonable node, protect
Main structure is protected, realizes express delivery reparation after shake, reduces economic loss, meets the design requirement of " the strong weak component of node "；Meanwhile building
It is transported to construction site after plate and beam section are pre-assembled and carries out the assembled time that can greatly save cast-in-place concrete；In addition, traditional
Frame system repairs that difficulty is big or can not to repair bring loss very huge after destroying, there is an urgent need to after a kind of earthquake without repairing
Multiple or slightly reparation can restore the recoverable function structure using function, this also becomes International Seismic engineering field in recent years
Research hotspot.Recoverable function frame structure can not only protect the security of the lives and property of people in earthquake, and on ground
Also it can restore it after shake as early as possible using function, therefore need to implement the theory of recoverable function structure and be set in the research and development of new construction
Count work in, with realize building from it is single pursuit collapse resistant capacity to take into account shake after can repair ability transformation.More than meeting
Demand, the invention patent propose a kind of Self-resetting steel frame eccentrical braces of flange plate.
A kind of Self-resetting steel frame eccentrical braces for flange plate that the invention patent proposes.Pass through two band cantilevers
Cantilever beam section, I-shaped beam section, two group of second attachment device and the two groups of automatic runback devices of the square steel tube upper prop of beam section play jointly
Effect can effectively improve the total bearing capacity of cantilever beam section and I-shaped beam section junction and can to reduce drag-line in automatic runback device pre-
Overstressing load of the tension to I-shaped beam section；Intermediate active beam link, I-shaped diagonal brace section and bearing diagonal are introduced, structure ductility can be improved
And safety.
Summary of the invention
The present invention proposes a kind of Self-resetting steel frame eccentrical braces of flange plate, belongs to Structural Engineering technology neck
Domain.
The system innovation point is that the upper quadrate steel pipe column with cantilever beam section is connected with I-shaped beam section by the first attachment device
When, built in the cover board of top flange, lower flange cover board is external, and inverted L shape web shear plate holds out against top flange cover board, installs rear suspension beam
Section and I-shaped beam section leave no gaps；Concrete outside top flange can be made more smooth built in the cover board of top flange, and lower flange cover board is set
It is set to that outer cover is board-like, can be used as the rest of common beam section during the installation process, while being also convenient for node in use to the wing
Edge cover board bending deformation is observed, the with good performance visual and replacement property sentenced；Inverted L shape web shear plate is by upper limb
Edge cover board is held out against, and can be effectively improved the bearing capacity of junction and can be reduced in automatic runback device drag-line pretension to I-shaped beam section
Overstressing load can also restore the residual deformation on the edge of a wing by loosering a bolt；Cantilever beam section and I-shaped beam section are held out against, after installation not
Gap is stayed, drag-line loss of prestress caused by rotating due to beam-ends is prevented, drag-line pretension is rationally designed by practical calculate, is made
Structure farthest controls the accumulation of development and the damage of plastic deformation, so that structure be made to have good anti-seismic performance and answer
Capability.
The characteristics of system is also: on the square steel tube center pillar with cantilever beam section and ring flange and the square steel tube with cantilever beam section
Column is connected using ring flange with high-strength bolt, is realized structural module, is met the developing direction of assembling type steel structure；Two bands are outstanding
Cantilever beam section, I-shaped beam section, two group of first attachment device and the two groups of automatic runback devices of the square steel tube upper prop of arm beam section are sent out jointly
Self-resetting after acting on the shake for being able to achieve structure is waved, reduces residual deformation, structure main bearing member is delayed to damage process, is guaranteed
The predetermined condition design object of structure dissipation seismic energy simultaneously reduces rehabilitation cost after shake, is the new direction of steel construction development.This
Invention is not limited to specific configuration scheme here, and technical staff's prompt according to the present invention does not depart from made by scope
It improves and modification all should be within protection scope of the present invention.
A kind of Self-resetting steel frame eccentrical braces of flange plate include two sides with cantilever beam section and ring flange
Steel pipe center pillar, two square steel tube upper props with cantilever beam section, two I-shaped beam sections, intermediate an active beam link, two bearing diagonals
Section, two I-shaped diagonal brace sections, two groups of automatic runback devices, two group of first attachment device, two group of second attachment device, two groups of thirds connect
Connection device, two group of the 4th attachment device and two group of the 5th attachment device.
Lower flange cover board in first attachment device is first passed through bolt and band in construction and installation by the attachment device
The square steel tube upper prop lower flange of ring flange connects, and I-shaped beam section is shelved on overhanging lower flange connecting plate, then by cantilever beam section
Web connect with I-shaped beam section web by web connecting plate, then connection top flange connecting plate and backing plate, wherein backing plate is tight
Common I-shaped beam section top flange lower surface is pasted, steel strand wires are finally installed and applies prestressing force.OnEdge of a wing connecting plate and lower flange connect
Fishplate bar is arranged to circular arc dog bone weakening area or the shearing that punches weakens area, and the size for weakening area designs according to the actual situation.
The advantages of this patent, is mainly manifested in the following aspects:
1, the cantilever beam section of two square steel tube upper props with cantilever beam section, two I-shaped beam sections, two group of first attachment device
The bearing capacity of junction can be improved by playing a role jointly with two groups of automatic runback devices；In the identical situation of the bearing capacity of bean column node
Under, the drag-line pretension demand of automatic runback device of the present invention can reduce, and it is excessive to I-shaped beam section to effectively prevent drag-line pretension
Overstressing load；By rationally designing drag-line pretension according to practical calculate, structure is made farthest to control plastic deformation
Development and damage accumulation, make structure have good anti-seismic performance and reset capability.
2, it is board-like to be arranged to inner cover for top flange cover board, concrete outside top flange can be made more smooth, and lower flange cover board is set
It is set to that outer cover is board-like, can be used as the rest of common beam section during the installation process, while being also convenient for node in use to the wing
Edge cover board bending deformation is observed, the with good performance visual and replacement property sentenced.
3, intermediate active beam link of the invention can be effectively protected intermediate beam section main part and not be destroyed in earthquake,
Only needed to change after shake intermediate active beam link can fast quick-recovery intermediate beam section use function, reduce rehabilitation cost after shake, adaptation
The development of steel construction.
4, main member of the invention and attachment device can produce in factory, and in-site installation greatly shortens construction period,
Improve construction quality and economic benefit.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional figure of the Self-resetting steel frame eccentrical braces structural form of flange plate；
Fig. 2 is a kind of Self-resetting steel frame eccentrical braces broken away view of flange plate；
Fig. 3 is a kind of Self-resetting steel frame eccentrical braces front view of flange plate；
Fig. 4 is a kind of Self-resetting steel frame eccentrical braces side view of flange plate；
Fig. 5 is a kind of Self-resetting steel frame eccentrical braces top view of flange plate.
Specific embodiment
With reference to the accompanying drawing, the embodiment of this patent is described in detail.
As shown in Figs. 1-5, a kind of Self-resetting steel frame eccentrical braces of flange plate include with lower component:
1 --- the square steel tube center pillar with cantilever beam section and ring flange；
2 --- bearing diagonal section；
3 --- the square steel tube upper prop with cantilever beam section；
4 --- automatic runback device
5 --- I-shaped beam section；
6 --- intermediate active beam link；
7 --- I-shaped diagonal brace section；
8 --- the first attachment device；
9 --- the second attachment device；
10 --- third attachment device；
11 --- the 4th attachment device；
12 --- the 5th attachment device.
As shown in Figs. 1-5, a kind of Self-resetting steel frame eccentrical braces of flange plate are with intermediate active beam link (6)
Symmetry axis includes two square steel tube center pillars (1) with cantilever beam section and ring flange, two bearing diagonal sections (2), two band cantilever beams
The square steel tube upper prop (3) of section, two I-shaped beam sections (5), intermediate active beam link (6), two I-shaped diagonal brace sections (7), two groups
Automatic runback device (4), two group of first attachment device (8), two group of second attachment device (9), two groups of third attachment devices (10), two
The 4th attachment device (11) of group and two group of the 5th attachment device (12)；The square steel tube center pillar with cantilever beam section and ring flange
It (1) include a square steel tube center pillar, a ring flange and a cantilever beam section, ring flange is welded on square steel tube center pillar upper end, hangs
Arm beam section is welded on square steel tube center pillar lower end；Bearing diagonal section (2) is welded on the junction of square steel tube center pillar and cantilever beam section；It is described
The square steel tube upper prop (3) with cantilever beam section include one and a cantilever beam section height identical square steel tube upper prop and cantilever beam
Section, the two are welded to form；One group of automatic runback device (4) includes a H-type tooling and is welded on two of upper and lower two sides
Drag-line；One group of first attachment device (8) includes two pieces of top flange cover boards, two pieces of top flange backing plates, one piece of lower flange lid
Plate, two pieces of inverted L shape web shear plates and high-strength bolt；Second attachment device (9) is high-strength bolt；Described one
Group third attachment device (10) includes one piece of lower flange cover board and high-strength bolt；One group of the 4th attachment device (11) packet
Include two pieces of splice plates and high-strength bolt；One group of the 5th attachment device (12) is including under one piece of top flange cover board, one piece
Edge of a wing cover board, two pieces of web connecting plates and high-strength bolt.
As shown in Figure 1, 2, the bearing diagonal section (2) and with the square steel tube center pillar (1) of cantilever beam section and ring flange weld；
Square steel tube upper prop (3) of described one with cantilever beam section is connected with an I-shaped beam section (5) by one group of first attachment device (8)
It connects, a H-type tooling is respectively welded in the cantilever beam section web two sides of a square steel tube upper prop (3) with cantilever beam section, it is another
The cantilever beam section identical set of quadrate steel pipe column (3) in a band cantilever beam section, wherein H-type tooling is welded on cantilever beam section lower flange circle
At arc, drag-line is fixed by H-type tooling, is not interspaced between cantilever beam section and I-shaped beam section；One band cantilever beam section
Pass through one group of second attachment device (9) and a quadrate steel pipe column upper prop with cantilever beam section with the square steel tube center pillar (1) of ring flange
(3) it connects；One I-shaped beam section (5) passes through far from the side bottom wing acies of the upper quadrate steel pipe column (3) with cantilever beam section
One group of third attachment device (10) and I-shaped diagonal brace section (7) connection；Described intermediate active beam link (6) one end passes through one group
4th attachment device (11) and I-shaped beam section (5) connection, the other end pass through one group of the 4th attachment device (11) and another
I-shaped beam section (5) connection；The not connected side of one I-shaped diagonal brace section (7) by one group of the 5th attachment device (12) with
One bearing diagonal section (2) connection.
Claims (3)
1. a kind of Self-resetting steel frame eccentrical braces of flange plate, it is characterised in that: the system is with intermediate dissipative links
Section is the symmetrical system of symmetry axis, includes two square steel tube center pillars with cantilever beam section and ring flange, two bearing diagonal sections, two
Square steel tube upper prop with cantilever beam section, two I-shaped beam sections, intermediate an active beam link, two I-shaped diagonal brace sections, two groups of runbacks
Position device, two group of first attachment device, two group of second attachment device, two groups of third attachment devices, two group of the 4th attachment device and
Two group of the 5th attachment device；Square steel tube center pillar of described one with cantilever beam section and ring flange include a square steel tube center pillar,
One cantilever beam section and a ring flange, wherein ring flange is welded on square steel tube center pillar upper end, and cantilever beam section is welded on square steel tube
Center pillar lower end；The bearing diagonal section is welded on the junction of square steel tube center pillar and cantilever beam section；One band cantilever beam
The square steel tube upper prop of section includes one and cantilever beam section highly identical square steel tube upper prop and a cantilever beam section, the two welding group
At；One group of automatic runback device includes two H-type toolings and two drag-lines for being welded on upper and lower two sides；One band
The square steel tube upper prop of cantilever beam section is connect with an I-shaped beam section by one group of first attachment device, at one with cantilever beam section
A H-type tooling is respectively welded in the cantilever beam section web two sides of square steel tube upper prop, another is with quadrate steel pipe column in cantilever beam section
Cantilever beam section identical set, wherein H-type tooling is welded on cantilever beam section circular arc, and drag-line is fixed by H-type tooling, cantilever beam section
It does not interspace between I-shaped beam section；Square steel tube center pillar of described one with cantilever beam section and ring flange passes through one group of second company
Connection device is connect with a quadrate steel pipe column upper prop with cantilever beam section；One I-shaped beam section is far from the upper of cantilever beam section
The side bottom wing acies of quadrate steel pipe column is connected by one group of third attachment device with an I-shaped diagonal brace section；The intermediate energy consumption
Beam section one end is connected by one group of the 4th attachment device with an I-shaped beam section, and the other end is by one group of the 4th attachment device and separately
One I-shaped beam section connection；The not connected side of one I-shaped diagonal brace section is oblique with one by one group of the 5th attachment device
Supporting section connection.
2. a kind of Self-resetting steel frame eccentrical braces of flange plate according to claim 1, it is characterised in that: institute
One group of first attachment device stated includes two top flange cover boards, two top flange backing plates, a lower flange cover board, two webs
Shear plate and high-strength bolt；Second attachment device is high-strength bolt；One group of third attachment device includes
One lower flange cover board and high-strength bolt；One group of the 4th attachment device includes two pieces of splice plates and high-strength bolt；
One group of the 5th attachment device includes a top flange cover board, a lower flange cover board, two web connecting plates and high-strength
Bolt.
3. a kind of Self-resetting steel frame eccentrical braces of flange plate according to claim 1, it is characterised in that: institute
Built in the two top flange cover boards and two top flange backing plates in one group of first attachment device stated, top flange cover board connecting band is outstanding
The cantilever beam section of quadrate steel pipe column and I-shaped beam section, top flange backing plate are placed between top flange cover board and I-shaped beam section in arm beam section
To make up the edge of a wing difference in height of cantilever beam section and I-shaped beam section, lower flange cover board is external, quadrate steel pipe column in connecting band cantilever beam section
With I-shaped beam section, a web shear plate is connected to cantilever beam section and I-beam with quadrate steel pipe column in cantilever beam section with Bolt
Section junction side simultaneously holds out against top flange cover board, the web shear plate identical set of the junction other side one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071421.6A CN109653356A (en) | 2019-01-25 | 2019-01-25 | A kind of Self-resetting steel frame eccentrical braces of flange plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071421.6A CN109653356A (en) | 2019-01-25 | 2019-01-25 | A kind of Self-resetting steel frame eccentrical braces of flange plate |
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| Publication Number | Publication Date |
|---|---|
| CN109653356A true CN109653356A (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910071421.6A Pending CN109653356A (en) | 2019-01-25 | 2019-01-25 | A kind of Self-resetting steel frame eccentrical braces of flange plate |
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| CN (1) | CN109653356A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215412A (en) * | 2021-12-20 | 2022-03-22 | 江西中煤建设集团有限公司 | Center support steel frame device with self-reset double-limb shearing energy consumption section |
| CN116201264A (en) * | 2023-03-21 | 2023-06-02 | 北京工业大学 | Assembled special-shaped column steel frame-shear wall structure capable of repairing Liang Zhushuang nodes |
| CN116290486A (en) * | 2023-03-21 | 2023-06-23 | 北京工业大学 | Assembled special-shaped column steel frame-shear wall structure system capable of recovering functions |
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| CN103088918A (en) * | 2013-02-05 | 2013-05-08 | 北京建筑工程学院 | Novel prefabricate prestressed steel frame girder-column pitch point with post-earthquake self-reset function |
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| CN206052956U (en) * | 2016-08-31 | 2017-03-29 | 江西杭萧钢构有限公司 | A kind of H types cantilever beam-column splicing construction |
| CN106869316A (en) * | 2017-03-12 | 2017-06-20 | 东北石油大学 | The beam column edge of a wing is the group frame system and construction method of concrete filled steel tube |
| CN106869325A (en) * | 2017-02-17 | 2017-06-20 | 北京工业大学 | A kind of assembled channel-section steel for recovering function punches beam column node connection device |
| CN206941801U (en) * | 2017-05-09 | 2018-01-30 | 北京建筑大学 | A kind of assembled accentric support steel frame system of replaceable dissipative links |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088918A (en) * | 2013-02-05 | 2013-05-08 | 北京建筑工程学院 | Novel prefabricate prestressed steel frame girder-column pitch point with post-earthquake self-reset function |
| CN105735472A (en) * | 2016-04-17 | 2016-07-06 | 北京工业大学 | Assembly type beam-column node connection device with function recovery effect |
| CN206052956U (en) * | 2016-08-31 | 2017-03-29 | 江西杭萧钢构有限公司 | A kind of H types cantilever beam-column splicing construction |
| CN106869325A (en) * | 2017-02-17 | 2017-06-20 | 北京工业大学 | A kind of assembled channel-section steel for recovering function punches beam column node connection device |
| CN106869316A (en) * | 2017-03-12 | 2017-06-20 | 东北石油大学 | The beam column edge of a wing is the group frame system and construction method of concrete filled steel tube |
| CN206941801U (en) * | 2017-05-09 | 2018-01-30 | 北京建筑大学 | A kind of assembled accentric support steel frame system of replaceable dissipative links |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215412A (en) * | 2021-12-20 | 2022-03-22 | 江西中煤建设集团有限公司 | Center support steel frame device with self-reset double-limb shearing energy consumption section |
| CN116201264A (en) * | 2023-03-21 | 2023-06-02 | 北京工业大学 | Assembled special-shaped column steel frame-shear wall structure capable of repairing Liang Zhushuang nodes |
| CN116290486A (en) * | 2023-03-21 | 2023-06-23 | 北京工业大学 | Assembled special-shaped column steel frame-shear wall structure system capable of recovering functions |
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Application publication date: 20190419 |
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| RJ01 | Rejection of invention patent application after publication |