CN109797853A - A kind of recoverable function steel frame eccentrical braces of flange plate - Google Patents
A kind of recoverable function steel frame eccentrical braces of flange plate Download PDFInfo
- Publication number
- CN109797853A CN109797853A CN201910071432.4A CN201910071432A CN109797853A CN 109797853 A CN109797853 A CN 109797853A CN 201910071432 A CN201910071432 A CN 201910071432A CN 109797853 A CN109797853 A CN 109797853A
- Authority
- CN
- China
- Prior art keywords
- beam section
- attachment device
- cantilever beam
- group
- square steel
- 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.)
- Pending
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The present invention relates to a kind of recoverable function steel frame eccentrical braces of flange plate, belong to structural engineering field.Main member and attachment device main member of the invention can produce in factory, greatly shorten construction period, improve construction quality；Top flange cover board is arranged to the board-like progress edge of a wing cover board buckling amplitude control 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；Automatic runback device can guarantee the predetermined condition design object of structure dissipation seismic energy and reduce rehabilitation cost after shake, improve the safety of structure；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 recoverable function steel frame eccentrical braces of flange plate, belongs to Structural Engineering technology
Field.
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 carrying out specific aim reinforcement to the bean column node of frame system or to Liang Shangte
Determining region takes weakening means to can reach the purpose of plastic hinge, to protect bean column node, meets " the strong weak component of node "
Design requirement；Meanwhile floor and beam section it is pre-assembled after be transported to construction site and carry out assembly and can greatly save on-site concrete pouring
The time built；In addition, conventional frame system is repaired after destroying, difficulty is big or can not to repair bring loss very huge, compels to be essential
It wants after a kind of earthquake without repairing or slightly repairing the recoverable function structure that can restore using function, this also becomes in recent years
Carry out the research hotspot of International Seismic engineering field.Recoverable function frame structure can not only protect the life of people in earthquake
Property safety, and can also restore it as early as possible using function after earthquake, therefore need to fall the theory of recoverable function structure
It is real in the R & D design work of new construction, with realize building from single pursuits collapse resistant capacity to take into account shake after can repair ability
Transformation.To meet the above demand, the invention patent proposes a kind of recoverable function steel frame accentric support of flange plate
System.
A kind of recoverable function steel frame eccentrical braces for flange plate that the invention patent proposes, including two bands
The square steel tube center pillar of cantilever beam section and ring flange, two square steel tube upper props with cantilever beam section, two I-shaped beam sections, a centre
Active beam link, two I-shaped diagonal brace sections, two bearing diagonal sections, two group of first attachment device, two group of second attachment device, two group
Three attachment devices, two group of the 4th attachment device and two group of the 5th attachment device.The present invention is based on Damage Coutrol theories to introduce second
Attachment device and intermediate active beam link, are transferred to cantilever beam section for plastic hinge and I-shaped beam section junction avoid whole destruction, break
Attachment device is only needed to change after bad, reduces rehabilitation cost, and fast quick-recovery uses function, greatly promotes economic benefit.
Summary of the invention
The present invention proposes a kind of recoverable function steel frame eccentrical braces of flange plate, belongs to Structural Engineering technology
Field.
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 second attachment device
When, built in the cover board of top flange, lower flange cover board is external, and there are between 10-20mm for inverted L shape web shear plate and top flange cover board
Away from there are the gaps 10-20mm after cantilever beam section and the installation of I-shaped beam section；It can make outside top flange concrete built in the cover board of top flange more
Add smooth, and lower flange cover board is arranged to that outer cover is board-like, can be used as the rest of common beam section during the installation process, is also convenient for simultaneously
Node is in use observed edge of a wing cover board bending deformation, the with good performance visual and replacement property sentenced；
Gap between top flange cover board and inverted L shape web shear plate is 10-20mm, is set according to the actual conditions of bean column node
Set, guarantee can make cover board energy consuming and limit cover board deformation it is excessive, it is more stable so as to reach ultimate bearing capacity of joints,
Consume energy more purposes；There are 10-20mm spacing for cantilever beam section and I-shaped beam section, it is therefore intended that improves joint rotation ability, keeps away
Exempt from that cantilever connects end and I-shaped beam-ends collides.
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, is realized structural module, is met the developing direction of assembling type steel structure；By thickening the cantilever beam section wing
Edge thickness realizes that beam-ends is reinforced, and by the gap setting between the first attachment device and cantilever beam section and I-shaped beam section, reaches modeling
Property the outer purpose moved and improve turning power of hinge, designed by Reasonable Parameters so that plastic failure occurs in splice region, and in beam
Column border node rest part keeps elasticity substantially, and only need to replace attachment device can restore the use function of main structure after shake；Inverted L
The design of type web shear plate, can the buckling amplitude to top flange cover board control effectively.
A kind of recoverable function steel frame eccentrical braces of flange plate include two bands cantilever beam section and ring flanges
Square steel tube center pillar, two square steel tube upper props with cantilever beam section, two I-shaped beam sections, intermediate an active beam link, two works
Word diagonal brace section, two bearing diagonal sections, two group of first attachment device, two group of second attachment device, two groups of third attachment devices, two groups
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 cantilever beam section connects, and I-shaped beam section is shelved on overhanging lower flange connecting plate, then by cantilever beam
The web of section is connect by web connecting plate with I-shaped beam section web, then connects top flange connecting plate and backing plate, wherein backing plate
It is close to common I-shaped beam section top flange lower surface, drag-line is finally installed and applies prestressing force.Top flange 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 nodal connection device of this patent is a kind of recoverable function steel frame eccentrical braces of flange plate,
It realizes that beam-ends is reinforced by thickening cantilever beam section edge of a wing thickness, achievees the purpose that plastic hinge；Bottom wing in first attachment device
Edge uses single-blade edge cover board type of attachment, by Reasonable Parameters design so that plastic failure occurs in splice region, and in beam column section
Point rest part keeps elasticity substantially, and only need to replace attachment device can restore the use function of main structure after shake.By adding
The wall thickness of upper quadrate steel pipe column with cantilever beam section and increase cantilever beam section edge of a wing thickness by force, to realize to Column border node domain and cantilever beam
Effective reinforcement of section；Weaken area or the shearing weakening area that punches by the way that circular arc dog bone is arranged to edge of a wing cover board, to realize bonding pad
Effective weakening, achieve the purpose that plastic hinge.
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.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional figure of the recoverable function steel frame eccentrical braces structural form of flange plate；
Fig. 2 is a kind of recoverable function steel frame eccentrical braces broken away view of flange plate；
Fig. 3 is a kind of recoverable function steel frame eccentrical braces front view of flange plate；
Fig. 4 is a kind of recoverable function steel frame eccentrical braces side view of flange plate；
Fig. 5 is a kind of recoverable function 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 recoverable function 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 --- I-shaped beam section；
5 --- intermediate active beam link；
6 --- I-shaped diagonal brace section；
7 --- the first attachment device；
8 --- the second attachment device；
9 --- third attachment device；
10 --- the 4th attachment device；
11 --- the 5th attachment device.
As shown in Figs. 1-5, a kind of recoverable function steel frame eccentrical braces of flange plate are with intermediate active beam link
For symmetry axis, include two square steel tube center pillars (1) with cantilever beam section and ring flange, two square steel tube upper props with cantilever beam section
(3), two I-shaped beam sections (4), intermediate active beam link (5), two I-shaped diagonal brace sections (6), two bearing diagonal sections (2), two
Group the first attachment device (7), two group of second attachment device (8), two groups of third attachment devices (9), two group of the 4th attachment device
(10) and two group of the 5th attachment device (11)；Square steel tube center pillar (1) of described one with cantilever beam section and ring flange includes one
A square steel tube center pillar, a cantilever beam section and a ring flange, wherein ring flange is welded on square steel tube center pillar upper end, cantilever beam section
It is welded on square steel tube center pillar lower end；One supporting section (2) is welded on the junction of square steel tube center pillar and cantilever beam section；Institute
Square steel tube upper prop (3) of one stated with cantilever beam section includes a square steel tube upper prop highly identical with cantilever beam section and one
Cantilever beam section, the two are welded to form；One group of first attachment device (7) includes two top flange cover boards, two top flanges
Backing plate, a lower flange cover board, two inverted L shape web shear plates and high-strength bolt；Second attachment device (8) is height
Strength bolt group；One group of third attachment device (9) includes a lower flange cover board and high-strength bolt；Described one group
Four attachment devices (10) include two pieces of splice plates and high-strength bolt；One group of the 5th attachment device (11) includes on one
Edge of a wing cover board, a lower flange cover board, two web connecting plates and high-strength bolt.
As shown in Figure 1, 2, the described one square steel tube upper prop (3) with cantilever beam section passes through one group with an I-shaped beam section
First attachment device (7) connection, there are the gaps 10-20mm between cantilever beam section and I-shaped beam section；One band cantilever beam
The square steel tube center pillar (1) of section and ring flange passes through one group of second attachment device (8) and a square steel tube upper prop with cantilever beam section
Connection；One I-shaped beam section (4) passes through one group far from the side bottom wing acies of upper square steel tube (3) column with cantilever beam section
Third attachment device (9) and I-shaped diagonal brace section (6) connection；Described intermediate active beam link (5) one end passes through one group the 4th
Attachment device (10) and I-shaped beam section (4) connection, the other end pass through one group of the 4th attachment device (10) and another I-shaped
Beam section (4) connection；The not connected side of one I-shaped diagonal brace section (6) passes through one group of the 5th attachment device (11) and one
Bearing diagonal section (2) connection.
Claims (3)
1. a kind of recoverable function steel frame eccentrical braces of flange plate, it is characterised in that: the system is with centre energy consumption
Beam section is symmetry axis, comprising on two square steel tube center pillars with cantilever beam section and ring flange, two square steel tubes with cantilever beam section
Column, two I-shaped beam sections, an intermediate active beam link, two I-shaped diagonal brace sections, two bearing diagonal sections, two group of first connection dress
It sets, 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；It is described
A square steel tube center pillar with cantilever beam section and ring flange include a square steel tube center pillar, a cantilever beam section and a flange
Disk, 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；Described one tiltedly props up
Support section is welded on the junction of square steel tube center pillar and cantilever beam section；Square steel tube upper prop of described one with cantilever beam section includes one
The identical square steel tube upper prop of a and cantilever beam section height and a cantilever beam section, the two are welded to form；One band cantilever
The square steel tube upper prop of beam section is connect with an I-shaped beam section by one group of first attachment device, between cantilever beam section and I-shaped beam section
There are the gaps 10-20mm；Square steel tube center pillar of described one with cantilever beam section and ring flange passes through one group of second attachment device
It is connect with a square steel tube upper prop with cantilever beam section；One I-shaped beam section is far from the upper quadrate steel pipe column with cantilever beam section
Side bottom wing acies connected with an I-shaped diagonal brace section by one group of third attachment device；Described intermediate active beam link one end
It is connected by one group of the 4th attachment device with an I-shaped beam section, the other end passes through one group of the 4th attachment device and another I-shaped
Beam section connection；The not connected side of one I-shaped diagonal brace section passes through one group of the 5th attachment device and a bearing diagonal Duan Lian
It connects.
2. a kind of recoverable function steel frame eccentrical braces of flange plate according to claim 1, feature exist
In: one group of first attachment device includes two top flange cover boards, two top flange backing plates, lower flange cover board, two
A inverted L shape web shear plate and high-strength bolt；Second attachment device is high-strength bolt；One group of third connects
Connection device includes a lower flange cover board and high-strength bolt；One group of the 4th attachment device includes two pieces of splice plates and height
Strength bolt group；One group of the 5th attachment device includes a top flange cover board, a lower flange cover board, two web connections
Plate and high-strength bolt.
3. a kind of recoverable function steel frame eccentrical braces of flange plate according to claim 1, feature exist
In: built in the two top flange cover boards and two top flange backing plates in first attachment device, top flange cover board connecting band
The cantilever beam section of quadrate steel pipe column and I-shaped beam section in cantilever beam section, top flange backing plate be placed on top flange cover board and I-shaped beam section it
Between to make up the edge of a wing thickness difference of cantilever beam section and I-shaped beam section, lower flange cover board is external, square steel tube in connecting band cantilever beam section
Column and I-shaped beam section, an inverted L shape web shear plate are connected to the cantilever beam section with quadrate steel pipe column in cantilever beam section with Bolt
With I-shaped beam section junction side and with top flange cover board, there are the spacing of 10-20mm, the inverted L shape webs of the junction other side one
Shear plate identical set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071432.4A CN109797853A (en) | 2019-01-25 | 2019-01-25 | A kind of recoverable function steel frame eccentrical braces of flange plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071432.4A CN109797853A (en) | 2019-01-25 | 2019-01-25 | A kind of recoverable function steel frame eccentrical braces of flange plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109797853A true CN109797853A (en) | 2019-05-24 |
Family
ID=66558859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910071432.4A Pending CN109797853A (en) | 2019-01-25 | 2019-01-25 | A kind of recoverable function steel frame eccentrical braces of flange plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109797853A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150912A (en) * | 2021-12-06 | 2022-03-08 | 北京建筑大学 | Bracket plate type integral connection node suitable for steel frame supporting system |
| CN116950249A (en) * | 2023-09-08 | 2023-10-27 | 天津大学 | Replaceable assembled RCS frame system of K-type eccentric support energy consumption section |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
-
2019
- 2019-01-25 CN CN201910071432.4A patent/CN109797853A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150912A (en) * | 2021-12-06 | 2022-03-08 | 北京建筑大学 | Bracket plate type integral connection node suitable for steel frame supporting system |
| CN116950249A (en) * | 2023-09-08 | 2023-10-27 | 天津大学 | Replaceable assembled RCS frame system of K-type eccentric support energy consumption section |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105863050B (en) | A kind of assembled wave webs beam column combined joint attachment device of recoverable function | |
| CN109881789A (en) | A kind of dismountable girder steel-steel core concrete column punching connecting node | |
| CN112538898A (en) | Self-resetting shearing-constraint buckling damage controllable assembly type beam-column joint | |
| CN203531147U (en) | Embedded type anchor bolt connecting structure for I-shaped steel column | |
| CN212053197U (en) | Replaceable steel beam with buckling-restrained cover plate | |
| CN102926504A (en) | Connecting steel construction member for steel and concrete overlapped beam combined part and construction method thereof | |
| CN109797853A (en) | A kind of recoverable function steel frame eccentrical braces of flange plate | |
| CN110905077A (en) | Replaceable steel beam with buckling-restrained cover plate | |
| CN109653356A (en) | A kind of Self-resetting steel frame eccentrical braces of flange plate | |
| CN109629684A (en) | A kind of anti-buckling groove profile web cutting member beam column node connection device of the assembled of recoverable function | |
| CN102704492A (en) | Connecting structure of section steel support and concrete support, and construction method | |
| CN110593409A (en) | Full-life-cycle detachable and replaceable frame structure system and installation and replacement method | |
| CN110593412A (en) | Detachable and replaceable steel reinforced concrete column-column connection structure and method based on flange connection | |
| CN213953079U (en) | Defect shear force wall bilateral support underpins structure | |
| CN203905214U (en) | Assembled type blend coupled wall system | |
| CN206529888U (en) | A kind of assembled corrugated web occlusion beam column node connection device for recovering function | |
| CN211647306U (en) | Floor carrier plate bearing structure with adjustable steel construction large-span | |
| CN111764683A (en) | Fabricated oblique stiffening thin-wall steel plate shear wall reinforcing structure and construction method thereof | |
| CN109797852A (en) | A kind of steel frame eccentrical braces of recoverable function | |
| CN111794555A (en) | Method for repairing multi-story historical building | |
| CN207905104U (en) | A kind of assembled architecture truss structure | |
| CN111041986A (en) | Cast-in-place continuous box girder formwork system and construction method | |
| CN207484676U (en) | A kind of buckling restrained brace reinforced concrete frame dry type flexible beam-column connection | |
| CN211037290U (en) | Detachable and replaceable frame structure system with full life cycle | |
| CN212743307U (en) | Steel construction work platform of assembled |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190524 |
|
| RJ01 | Rejection of invention patent application after publication |