CN109653355A - A kind of Self-resetting steel frame eccentrical braces - Google Patents
A kind of Self-resetting steel frame eccentrical braces Download PDFInfo
- Publication number
- CN109653355A CN109653355A CN201910071394.2A CN201910071394A CN109653355A CN 109653355 A CN109653355 A CN 109653355A CN 201910071394 A CN201910071394 A CN 201910071394A CN 109653355 A CN109653355 A CN 109653355A
- Authority
- CN
- China
- Prior art keywords
- beam section
- cantilever beam
- group
- steel pipe
- attachment device
- 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
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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
-
- 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
-
- 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
- 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
Abstract
The present invention relates to a kind of Self-resetting steel frame eccentrical braces, belong to structural engineering field.Nodal connection device welding portion main member of the invention can be completed in factory, greatly shorten construction period, improve construction quality；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；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 Self-resetting steel frame eccentrical braces, belongs to technical field of structural engineering.
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；Meanwhile floor and beam section it is pre-assembled after be transported to construction site
The time of cast-in-place concrete can be greatlyd save by carrying out assembly；In addition, conventional frame system is repaired after destroying, difficulty is big or nothing
Method reparation bring loss is very huge, and there is an urgent need to can restore without repairing or slightly repairing using function after a kind of earthquake
Recoverable function structure, this also becomes the research hotspot of International Seismic engineering field in recent years.Recoverable function frame knot
Structure can not only protect the security of the lives and property of people in earthquake, and can also restore it as early as possible after earthquake and use function,
Therefore it needs to implement the theory of recoverable function structure in the R & D design work of new construction, to realize that building is chased after from single
Ask collapse resistant capacity to take into account shake after can repair ability transformation.To meet the above demand, the invention patent proposes one kind certainly
Reset steel frame eccentrical braces.
A kind of Self-resetting steel frame eccentrical braces that the invention patent proposes.Pass through two square steel with cantilever beam section
The cantilever beam section of pipe upper prop, two I-shaped beam sections, two group of first attachment device and two groups of automatic runback devices play a role jointly, can
It effectively improves the total bearing capacity of cantilever beam section and I-shaped beam section junction and drag-line pretension pair in automatic runback device can be reduced
The overstressing load of I-shaped beam section；Intermediate active beam link, I-shaped diagonal brace section and bearing diagonal are introduced, structure ductility and safety can be improved
Property.
Summary of the invention
The present invention proposes a kind of Self-resetting steel frame eccentrical braces, belongs to technical field of structural engineering.
When the system innovation point is that the quadrate steel pipe column with cantilever beam section is connected with I-shaped beam section by the first attachment device,
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 back boom beam section
It is left no gaps with I-shaped beam section；Concrete outside top flange can be made more smooth built in the cover board of top flange, and lower flange cover board is arranged
It is board-like at outer cover, it can be used as the rest of common beam section during the installation process, while being also convenient in use to edge of a wing cover board
Bending deformation is observed, the with good performance visual and replacement property sentenced；Inverted L shape web shear plate is by top flange cover board
It holds out against, the bearing capacity of junction can be effectively improved and drag-line pretension can be reduced in automatic runback device to the overstressing of I-shaped beam section
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, and do not stay seam after installation
Gap prevents drag-line loss of prestress caused by rotating due to beam-ends, rationally designs drag-line pretension by practical calculate, makes structure
The accumulation of development and the damage of plastic deformation is farthest controlled, to make structure that there is good anti-seismic performance and reset energy
Power.
The characteristics of system is also: the cantilever beam section of two quadrate steel pipe columns with cantilever beam section, two I-shaped beam sections, two groups
First attachment device and two groups of automatic runback devices play a role jointly self-resetting after the shake for being able to achieve structure, reduce remaining become
Shape delays structure main bearing member to damage process, guarantees the predetermined condition design object of structure dissipation seismic energy and reduces
Rehabilitation cost after shake is the new direction of steel construction development.The present invention is not limited to specific configuration scheme here, technical staff according to
Prompt of the invention, does not depart from scope improvements introduced and modification all should be within protection scope of the present invention.
A kind of Self-resetting steel frame eccentrical braces include two quadrate steel pipe columns with cantilever beam section, two I-beams
Section, an intermediate active beam link, two bearing diagonal sections, two I-shaped diagonal brace sections, two groups of automatic runback devices, 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.
Lower flange cover board in first attachment device is first passed through bolt and band in construction and installation by the attachment device
The quadrate steel pipe column lower flange of cantilever beam section 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, drag-line is finally installed and applies prestressing force.Top flange connecting plate is connected with lower flange
Plate 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 quadrate steel pipe columns with cantilever beam section, two I-shaped beam sections, two group of second attachment device and
Two groups of automatic runback devices play a role jointly and can improve the bearing capacity of junction；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 Self-resetting steel frame eccentrical braces structural form；
Fig. 2 is a kind of Self-resetting steel frame eccentrical braces broken away view；
Fig. 3 is a kind of Self-resetting steel frame eccentrical braces front view；
Fig. 4 is a kind of Self-resetting steel frame eccentrical braces side view；
Fig. 5 is a kind of Self-resetting steel frame eccentrical braces top view.
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 include with lower component:
1 --- the quadrate steel pipe column with cantilever beam section；
2 --- bearing diagonal section；
3 --- automatic runback device；
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.
As shown in Figs. 1-5, a kind of Self-resetting steel frame eccentrical braces include two using intermediate active beam link as symmetry axis
A quadrate steel pipe column (1) with cantilever beam section, two bearing diagonal sections (2), two I-shaped beam sections (4), an intermediate active beam link
(5), two I-shaped diagonal brace sections (6), two groups of automatic runback devices (3), two group of first attachment device (7), two group of second attachment device
(8), two groups of third attachment devices (9) and two group of the 4th attachment device (10)；One quadrate steel pipe column with cantilever beam section
(1) it is welded on the upper end of quadrate steel pipe column comprising a quadrate steel pipe column and two cantilever beam sections, one of cantilever beam section, another
It is welded on the lower end of quadrate steel pipe column；The bearing diagonal section (2) is welded on the junction of quadrate steel pipe column lower end and cantilever beam section；Institute
The one group of automatic runback device (3) stated includes two H-type toolings and two drag-lines for being welded on H-type tooling web or more both sides；Institute
One group of first attachment device (7) stated includes two pieces of top flange cover boards, two pieces of top flange backing plates, one piece of lower flange cover board, two pieces
Inverted L shape web shear plate and high-strength bolt；One group of second attachment device (8) includes one piece of lower flange cover board and high-strength
Bolt；One group of third attachment device (9) includes two pieces of splice plates and high-strength bolt；One group of the 4th connection
Device includes a top flange cover board, a lower flange cover board, two web connecting plates and high-strength bolt.
As shown in Figure 1, 2, the bearing diagonal section (2) and with cantilever beam section quadrate steel pipe column (1) weld；One band
Cantilever beam section quadrate steel pipe column (1) is connect with an I-shaped beam section (5) by one group of first attachment device (7), in a band cantilever
A H-type tooling is respectively welded in the upper end cantilever beam section web two sides of the quadrate steel pipe column (1) of beam section, another band cantilever beam section side
The cantilever beam section identical set of steel pipe column (1), wherein H-type tooling is welded on cantilever beam section lower flange circular arc, and drag-line passes through H
It is fixed, it does not interspace between cantilever beam section and I-shaped beam section；One I-shaped beam section (4) is far from the square steel with cantilever beam section
The side bottom wing acies of tubing string (1) is connected by one group of second attachment device (8) and I-shaped diagonal brace section (6)；The intermediate consumption
Energy beam section (5) one end passes through one group of third by one group of third attachment device (9) and I-shaped beam section (4) connection, the other end
Attachment device (9) and the connection of another I-shaped beam section (4)；The not connected side of one I-shaped diagonal brace section (6) passes through one
The 4th attachment device (10) of group is connect with a bearing diagonal section (2).
Claims (3)
1. a kind of Self-resetting steel frame eccentrical braces, it is characterised in that: the system is using intermediate active beam link as symmetry axis
Symmetrical system, include two quadrate steel pipe columns with cantilever beam section, two bearing diagonal sections, two I-shaped beam sections, an intermediate consumption
It can beam 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 the
Three attachment devices and two group of the 4th attachment device；One quadrate steel pipe column with cantilever beam section include a quadrate steel pipe column,
Two cantilever beam sections, a cantilever beam section are welded on quadrate steel pipe column upper end, another cantilever beam section is welded on quadrate steel pipe column lower end；
The bearing diagonal section is welded on the junction of quadrate steel pipe column lower end and cantilever beam section；One group of automatic runback device includes two
A H-type tooling and two drag-lines for being welded on H-type tooling web or more both sides；One quadrate steel pipe column with cantilever beam section
It is connect with an I-shaped beam section by one group of first attachment device, in the upper end cantilever beam of a quadrate steel pipe column with cantilever beam section
Section web two sides are respectively welded a H-type tooling, the cantilever beam section identical set of another quadrate steel pipe column with cantilever beam section,
Middle H-type tooling is welded on cantilever beam section circular arc, and drag-line is fixed by H-type tooling, does not stay between cantilever beam section and I-shaped beam section
Gap；Side bottom wing acies of the one I-shaped beam section far from the quadrate steel pipe column with cantilever beam section passes through one group of second connection
Device and an I-shaped diagonal brace section connection；Described intermediate active beam link one end passes through one group of third attachment device and an I-shaped
Beam section connection, the other end are connected by one group of third attachment device with another I-shaped beam section；One I-shaped diagonal brace section
Not connected side is connect by one group of the 4th attachment device with a bearing diagonal section.
2. a kind of Self-resetting steel frame eccentrical braces according to claim 1, it is characterised in that: described one group
One attachment device includes two top flange cover boards, two top flange backing plates, a lower flange cover board, two web shear plates and height
Strength bolt group；One group of second attachment device includes a lower flange cover board and high-strength bolt；One group of third
Attachment device includes two pieces of splice plates and high-strength bolt；One group of the 4th attachment device include a top flange cover board,
One lower flange cover board, two web connecting plates and high-strength bolt.
3. a kind of Self-resetting steel frame eccentrical braces according to claim 1, it is characterised in that: described one group
Built in two top flange cover boards and two top flange backing plates in one attachment device, above the cover board connecting band cantilever beam section of top flange
The cantilever beam section and I-shaped beam section of steel pipe column, top flange backing plate are placed between top flange cover board and I-shaped beam section to make up cantilever
The edge of a wing thickness difference of beam section and I-shaped beam section, lower flange cover board is external, quadrate steel pipe column and I-shaped beam section in connecting band cantilever beam section,
One web shear plate is connected to the cantilever beam section with quadrate steel pipe column in cantilever beam section and I-shaped beam section junction one with Bolt
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 |
|---|---|---|---|
| CN201910071394.2A CN109653355A (en) | 2019-01-25 | 2019-01-25 | A kind of Self-resetting steel frame eccentrical braces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071394.2A CN109653355A (en) | 2019-01-25 | 2019-01-25 | A kind of Self-resetting steel frame eccentrical braces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109653355A true CN109653355A (en) | 2019-04-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910071394.2A Pending CN109653355A (en) | 2019-01-25 | 2019-01-25 | A kind of Self-resetting steel frame eccentrical braces |
Country Status (1)
| Country | Link |
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| CN (1) | CN109653355A (en) |
Citations (5)
| 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 |
| 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 CN201910071394.2A patent/CN109653355A/en active Pending
Patent Citations (5)
| 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 |
| 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 |
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Application publication date: 20190419 |