CN109797855A - A kind of recoverable function steel frame eccentrical braces of big headroom - Google Patents
A kind of recoverable function steel frame eccentrical braces of big headroom Download PDFInfo
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- CN109797855A CN109797855A CN201910071466.3A CN201910071466A CN109797855A CN 109797855 A CN109797855 A CN 109797855A CN 201910071466 A CN201910071466 A CN 201910071466A CN 109797855 A CN109797855 A CN 109797855A
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Abstract
The present invention relates to a kind of recoverable function steel frame eccentrical braces of big headroom, belong to structural engineering field.The system includes two welding combined special-shaped columns, two I-shaped beam sections with inclined support bar, two Y type diagonal braces, an active beam link and several attachment devices；Each component of system of the present invention is all formed by factory process, and precision and quality is easier to control, and scene is connected by high-strength bolt entirely and installed, it is easy to accomplish quick assembling；By the specially treated at beam-column connection, cover board energy consuming can be made and to limit cover board deformation excessive, can reach that ultimate bearing capacity of joints is more stable, and consume energy more purposes；Active beam link and accentric support design concept are introduced, structure " fuse " can be played the role of, change simultaneously support size and form, door opening can be opened up in the position of setting support, save steel using amount, improve economic benefit and applicability.
Description
Technical field
The present invention relates to a kind of recoverable function steel frame eccentrical braces of big headroom, belong to Structural Engineering technology neck
Domain.
Background technique
Since reform and opening-up, China makes remarkable achievements in urban construction field, at the same time, high energy consumption,
High pollution, the extensive build model of inefficient tradition are still more universal, the hair with novel urbanization, industrialization, informationization
Exhibition requires far apart.Change the production method of existing building industry, Development of Green Building is to lead the new normality of economic development and reality
The grand strategy of existing sustainable development.Assembling type steel structure building have standardized designs, the factorial production, prefabricated construction,
The features such as integration finishing, information system management, be the green building in life cycle management.Assembling type steel structure is widelyd popularize to build
Build, it is possible to reduce building waste and building dust pollution, shorten construction duration, promoted construction quality, digestion steel superfluous production capacity,
Form steel strategic reserves.
Assembling type steel structure building system has become the new direction and new trend of construction steel structure development, has design standard
Change, production plant, construction assembling, the advantages that greening building energy saving is environmentally friendly.Existing more high-rise public buildings and house are built
It builds, once seismic Damage occurs, will lead to building and terminate use, social economy's recovery and people's life will be caused serious
It influences, the repair after shake is even more time-consuming and laborious, to damage -form after a large amount of building shake studies have shown that the main of structure is broken
Bad form is the destruction at beam-column connection, how by reasonably designing, can improve the energy consumption energy of beam-column connection
Power, and it is able to achieve replaceable after the shake of structural elements, it is the Important Problems of structural seismic research.
In order to overcome the problems referred above, this patent proposes a kind of recoverable function steel frame eccentrical braces of big headroom.
By the specially treated at beam-column connection, cover board energy consuming can be made and limit cover board deformation it is excessive, can reach section
Point bearing capacity is more stable, and consume energy more purposes；Active beam link and accentric support design concept are introduced, structure can be played and " protected
Dangerous silk " effect, changes simultaneously support size and form, can open up door opening in the position of setting support, save steel using amount, mention
High economic benefit and applicability.
Summary of the invention
The present invention proposes a kind of recoverable function steel frame eccentrical braces of big headroom, it is intended to improve beam-to-column joint section
The energy dissipation capacity of point；A kind of novel support system is introduced simultaneously, it is intended to be solved the problems, such as at frame inward swinging door hole.
To achieve the above object, the present invention uses following technological means:
A kind of recoverable function steel frame eccentrical braces of big headroom, it is characterised in that: the system includes two welderings
Connect combined special-shaped column, two I-shaped beam sections with inclined support bar, two Y type diagonal braces, an active beam link and several attachment devices；
The system is compared with steel truss support and steel truss tube structure system, while improving structure entirety lateral resistance behavior, energy
Door opening is opened up in the position of setting support；The system beam column node connection device has recoverable function after shake, passes through thickening
It welds combined special-shaped column upper cantilever beam section edge of a wing thickness and realizes that beam-ends is reinforced, it is combined special-shaped by the connection type and welding of cover board
Gap setting between column upper cantilever beam section and I-shaped beam section achievees the purpose that plastic hinge and improves turning power, on ground
Plastic failure only occurs in splice region under shake load, and keeps elasticity in rest part, and bean column node connection need to be only replaced after shake
Device can restore the use function of main structure；The design of inverted L shape web connecting members, can buckling amplitude to top flange cover board
It control effectively；Top flange cover board is arranged to that inner cover is board-like, and when inner cover plate deforms, inner cover plate can be with inverted L shape web
Connector contact is held out against, and inverted L shape web connecting members can limit the bending deformation of top flange cover board, realize anti-buckling purpose.
The welding combined special-shaped column is by a upper quadrate steel pipe column, two middle quadrate steel pipe columns, two cantilever beam sections and the
One hound and third hound are welded；The I-shaped beam section with inclined support bar is by I-shaped beam section and the second bearing diagonal
Bar is formed by connecting with the first attachment device；The system is symmetrically arranged, and two welding combined special-shaped columns are oblique with two bands respectively
The I-shaped beam section of support rod is connected by beam column node connection device, and two I-shaped beam sections with inclined support bar are placed in active beam link
Both ends are connect with active beam link by two group of second attachment device respectively；Two Y type diagonal braces pass through six thirds respectively
I-shaped beam section of the attachment device with welding combined special-shaped column and with inclined support bar is connect, and the type diagonal brace lower end Y and welding are combined special-shaped
First inclined support bar of column is connected by third attachment device, and Y type diagonal brace upper end passes through third attachment device on one side and props up with oblique
The second inclined support bar connection in the I-shaped beam section of strut, another side is by third attachment device and welds the of combined special-shaped column
The connection of three inclined support bars.
System welding combined special-shaped column upper cantilever beam section is not held out against with I-shaped beam section, and there are the seams of 5-20mm between the two
Gap guarantees that I-shaped beam section has turning power, and the gap between top flange cover board and inverted L shape web connecting members is 5-10mm, protects
Card can make cover board energy consuming and limit cover board deformation, to promote the stability and energy dissipation capacity of ultimate bearing capacity of joints；The wing
Edge cover board uses inner cover plate design, and convenient for the connection with floor, lower flange cover board uses outer cover plate design, and welding combination is different
Bolt unsymmetrical arrangement at shape column upper cantilever beam section and I-shaped beam section lower flange, it is therefore intended that first install cantilever beam section lower flange
Cover board, lower flange cover board can be used as the rest of I-shaped beam section during the installation process, accelerate speed of application, improve construction quality.
The system introduces active beam link design concept simultaneously, sets accentric support for anti-side device, active beam link plays
The effect of structure " fuse ", under violent earthquake load action, structure carries out energy dissipation, beam, column also by active beam link
It will not be surrendered in advance with support main member.
The advantages of this patent, is mainly manifested in the following aspects:
1, the design of inverted L shape web connecting members is led to after the cover board buckling of top flange using anti-buckling theory in the system
It crosses and is held out against with the contact on the inverted L shape web connecting members edge of a wing and can mention enough support forces for edge of a wing cover board, to the buckling width of top flange cover board
Value control effectively, while can improve the energy dissipation capacity of beam-column connection, keeps ultimate bearing capacity of joints more stable.
2, the system forms a kind of new support system by Y type diagonal brace and each main component and attachment device, with steel truss
Bracing Systems, steel truss tube structure system are compared, can be in setting branch while improving structure entirety lateral resistance behavior
The position of support opens up door opening, keeps design form more flexible, has more applicability.
3, to be arranged to inner cover board-like for top flange cover board in the system, and concrete outside top flange can be made more smooth, and bottom wing
Edge cover board is arranged to that outer cover is board-like, can be used as the rest of I-beam during the installation process, while being also convenient for node in use process
In edge of a wing cover board bending deformation is observed, the with good performance visual and replacement property sentenced.
4, each component of the system and nodal connection device welding portion are completed in factory, and weld seam precision and quality is more
Easy to control, each component is assembled only with high-strength bolt in scene, and the fastening work of bolt is convenient and efficient, speed of application and applies
Working medium amount greatly improves, and adapts to the development of assembling type steel structure.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional figure of the recoverable function steel frame eccentrical braces of big headroom；
Fig. 2 is a kind of broken away view of the recoverable function steel frame eccentrical braces of big headroom；
Fig. 3 is a kind of front view of the recoverable function steel frame eccentrical braces of big headroom.
Specific embodiment
With reference to the accompanying drawing, the embodiment of this patent is described in detail.
As shown in Figures 1 to 3, a kind of recoverable function steel frame eccentrical braces of big headroom include with lower member.
1 --- welding combined special-shaped column；
2 --- the I-shaped beam section with inclined support bar；
3 --- Y type diagonal brace；
4 --- active beam link；
5 --- beam column node connection device；
6 --- the first attachment device；
7 --- the second attachment device；
8 --- third attachment device；
9 --- upper quadrate steel pipe column；
10 --- middle quadrate steel pipe column；
11 --- cantilever beam section；
12 --- I-shaped beam section；
13 --- the first inclined support bar；
14 --- the second inclined support bar；
15 --- third inclined support bar；
16 --- top flange cover board；
17 --- lower flange cover board；
18 --- inverted L shape web connecting members；
As shown in Figures 1 to 3, which includes two welding combined special-shaped column (1), two I-shaped beam sections with inclined support bar
(2), two Y type diagonal braces (3), an active beam link (4) and several attachment devices, the welding combined special-shaped column (1) is by one
A upper quadrate steel pipe column (9), two middle quadrate steel pipe columns (10), two cantilever beam sections (11) and the first inclined support bar (13) welding
It forms, the I-shaped beam section (2) with inclined support bar is by I-shaped beam section (12) and the second inclined support bar (14) with the first connection
Device (6) is formed by connecting.
As shown in Figure 1, 2, which is symmetrically arranged, two welding combined special-shaped columns (1) and two band inclined support bars
I-shaped beam section (2) by beam column node connection device (5) connect, which includes top flange cover board
(16), lower flange cover board (17), inverted L shape web connecting members (18) and high-strength bolt, two I-shaped beam sections with inclined support bar
(2) active beam link (4) both ends are placed in, are connect with active beam link (4) by two group of second attachment device (7), two Y types
Diagonal brace (3) is connected by six third attachment devices (8) and welding combined special-shaped column (1) and the I-shaped beam section (2) with inclined support bar
It connects, Y type diagonal brace (3) lower end is connect with the first inclined support bar (13) of welding combined special-shaped column by third attachment device (8), Y
Type diagonal brace (3) upper end passes through the second inclined support bar in third attachment device (8) and the I-shaped beam section with inclined support bar on one side
(14) it connects, another side is connect by third attachment device (8) with the third inclined support bar (15) for welding combined special-shaped column.
As shown in Figure 1, welding combined special-shaped column cantilever beam section (11) do not held out against with I-shaped beam section (12), between the two there are
The gap of 5-20mm, the gap between top flange cover board (16) and inverted L shape web connecting members (18) are 5-10mm；The beam column
Nodal connection device (5), it is board-like that top flange cover board (16) is set as inner cover, and lower flange cover board (17) uses outer cover plate design, weldering
Connect the bolt unsymmetrical arrangement at combined special-shaped column upper cantilever beam section (11) and I-shaped beam section (12) lower flange, it is therefore intended that first pacify
It fills cantilever beam section lower flange cover board (17), lower flange cover board (17) can be as the rest of I-shaped beam section (12) during the installation process.
Claims (4)
1. a kind of recoverable function steel frame eccentrical braces of big headroom, it is characterised in that: the system includes two welding
Combined special-shaped column, two I-shaped beam sections with inclined support bar, two Y type diagonal braces, an active beam link and several attachment devices；Institute
The welding combined special-shaped column stated by a upper quadrate steel pipe column, two middle quadrate steel pipe columns, two cantilever beam sections and the first hound and
Third hound is welded, and two middle quadrate steel pipe columns are welded in the upper and lower ends of quadrate steel pipe column, two cantilever beam section welding
In on two middle quadrate steel pipe columns, the first inclined support bar is welded in lower end cantilever beam and upper quadrate steel pipe column junction, third bearing diagonal
Bar is welded in upper end cantilever beam and upper quadrate steel pipe column junction；The I-shaped beam section with inclined support bar is by I-shaped beam section and
Two inclined support bars are formed by connecting with the first attachment device；The system is symmetrically arranged, two welding combined special-shaped columns respectively with
Two I-shaped beam sections with inclined support bar are connected by beam column node connection device, the beam column node connection device totally two
A, each beam column node connection device includes two top flange cover boards, a lower flange cover board and two inverted L shape web connections
Part, two top flange cover boards are located on the inside of I-shaped beam section top flange, are respectively in I-shaped beam section web two sides and are arranged symmetrically, be conducive to
With the connection of floor, while it being avoided that the bent influence to floor of cover board drum, two inverted L shape web connecting members are respectively in I-shaped beam section
Web two sides are arranged symmetrically, and the gap between top flange cover board and inverted L shape web connecting members is 5-10mm, and guarantee can make cover board
Energy consuming, and cover board deformation can be limited, a lower flange cover board is located on the outside of I-shaped beam section lower flange, welds combined special-shaped column
Upper cantilever beam section is not held out against with I-shaped beam section, between the two there are the gap of 5-20mm, guarantees that I-shaped beam section has turning power；
Two I-shaped beam sections with inclined support bar are placed in active beam link both ends, are connect with active beam link by two group of second attachment device；
Two Y type diagonal braces are connected by six third attachment devices and welding combined special-shaped column and the I-shaped beam section with inclined support bar
It connects, the type diagonal brace lower end Y is connect with the first inclined support bar of welding combined special-shaped column by third attachment device, Y type diagonal brace upper end
It is connect on one side by third attachment device with the second inclined support bar in the I-shaped beam section with inclined support bar, another side passes through third
Attachment device is connect with the third inclined support bar of welding combined special-shaped column.
2. a kind of recoverable function steel frame eccentrical braces of big headroom according to claim 1, it is characterised in that:
First attachment device be I-shaped beam section and the second inclined support bar junction high-strength bolt, totally two groups.
3. a kind of recoverable function steel frame eccentrical braces of big headroom according to claim 1, it is characterised in that:
Second attachment device is the high-strength bolt of the I-shaped beam section with hound and active beam link junction, totally two groups, is divided
Active beam link both ends are listed in, two I-shaped beam sections with inclined support bar are connect with active beam link.
4. a kind of recoverable function steel frame eccentrical braces of big headroom according to claim 1, it is characterised in that:
4th attachment device totally 6, each 4th attachment device include two edge of a wing cover boards and two web connecting plates, this
Four attachment devices are for the connection between two Y type diagonal braces and 6 hounds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071466.3A CN109797855B (en) | 2019-01-25 | 2019-01-25 | Large-clearance eccentric supporting system with function-recoverable steel frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071466.3A CN109797855B (en) | 2019-01-25 | 2019-01-25 | Large-clearance eccentric supporting system with function-recoverable steel frame |
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| Publication Number | Publication Date |
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| CN109797855A true CN109797855A (en) | 2019-05-24 |
| CN109797855B CN109797855B (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910071466.3A Active CN109797855B (en) | 2019-01-25 | 2019-01-25 | Large-clearance eccentric supporting system with function-recoverable steel frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644142A (en) * | 2020-06-11 | 2020-09-11 | 王艳军 | Parallel reaction instrument for chemical research |
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|---|---|---|---|---|
| JP2011179269A (en) * | 2010-03-03 | 2011-09-15 | Nagaoka Tekko Kk | Method of construction of steel brace for aseismatic reinforcement |
| 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 |
| CN105863050A (en) * | 2016-04-17 | 2016-08-17 | 北京工业大学 | Function-restorable assembly type wave web beam-column composite joint connection device |
| 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 |
| CN106869315A (en) * | 2017-03-12 | 2017-06-20 | 东北石油大学 | Concrete-filled steel tubular frame and its construction method with presstressed reinforcing steel |
| 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 |
-
2019
- 2019-01-25 CN CN201910071466.3A patent/CN109797855B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011179269A (en) * | 2010-03-03 | 2011-09-15 | Nagaoka Tekko Kk | Method of construction of steel brace for aseismatic reinforcement |
| 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 |
| CN105863050A (en) * | 2016-04-17 | 2016-08-17 | 北京工业大学 | Function-restorable assembly type wave web beam-column composite joint connection device |
| 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 |
| CN106869315A (en) * | 2017-03-12 | 2017-06-20 | 东北石油大学 | Concrete-filled steel tubular frame and its construction method with presstressed reinforcing steel |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644142A (en) * | 2020-06-11 | 2020-09-11 | 王艳军 | Parallel reaction instrument for chemical research |
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| CN109797855B (en) | 2021-01-15 |
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