CN109707043A - A kind of Self-resetting steel frame eccentrical braces of big headroom and flange plate - Google Patents
A kind of Self-resetting steel frame eccentrical braces of big headroom and flange plate Download PDFInfo
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- CN109707043A CN109707043A CN201910071634.9A CN201910071634A CN109707043A CN 109707043 A CN109707043 A CN 109707043A CN 201910071634 A CN201910071634 A CN 201910071634A CN 109707043 A CN109707043 A CN 109707043A
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- beam section
- steel pipe
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- inclined support
- pipe column
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Abstract
The present invention relates to the Self-resetting steel frame eccentrical braces of a kind of big headroom and flange plate, belong to structural engineering field.The system includes two welding combination quadrate steel pipe columns, two square steel tube center pillars with cantilever beam section, two I-shaped beam sections with inclined support bar, two Y type diagonal braces, an active beam link, combination automatic runback device and several attachment devices；By increasing the combination automatic runback device being made of drag-line, tooling and beam column node connection device, the total bearing capacity of node can be effectively improved and being avoided that the excessive overstressing load to I-shaped beam section of drag-line pretension in combination automatic runback device；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 the Self-resetting steel frame eccentrical braces of a kind of big headroom and flange plate, belong to Structural Engineering
Technical field.
Background technique
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.How by reasonable Frame Design, it both can guarantee structure in earthquake
Collapse resistant capacity, and the economic cost and time cost of repairing and reinforcement after structure shake can be reduced, realize function after the shake of building structure
Can fast quick-recovery, be the Important Problems of structural seismic research.
In order to overcome the problems referred above, this patent proposes the Self-resetting steel frame accentric support of a kind of big headroom and flange plate
System.By increasing the combination automatic runback device being made of drag-line, tooling and beam column node connection device, node can be effectively improved
Total bearing capacity and can avoid combination automatic runback device in the excessive overstressing load to I-shaped beam section of drag-line prestressing force；It introduces
Active beam link and accentric support design concept can play the role of structure " fuse ", change simultaneously support size and form, can be
The position that support is arranged opens up door opening, saves steel using amount, improves economic benefit and applicability.
Summary of the invention
The present invention proposes the Self-resetting steel frame eccentrical braces of a kind of big headroom and flange plate, it is intended to solution framework
The Self-resetting problem of system；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:
The Self-resetting steel frame eccentrical braces of a kind of big headroom and flange plate, it is characterised in that: the system includes
Quadrate steel pipe column, two square steel tube center pillars with cantilever beam section, two I-shaped beam sections with inclined support bar, two are combined in two welding
Y type diagonal brace, an active beam link, combination automatic runback device and several attachment devices；The system and steel truss support and steel truss
Tube structure system is compared, and while improving structure entirety lateral resistance behavior, can open up door opening in the position of setting support；
The system has runback bit function after shake, and the combination automatic runback device includes two toolings, a drag-line and two beam columns
Nodal connection device is one of the innovative point of this patent, and beam column node connection device will be in the square steel tube center pillar with cantilever beam section
Cantilever beam section closely connect with I-shaped beam section, the combination of cover board and drag-line can improve the total bearing capacity of node and be avoided that group
Overstressing load of the drag-line prestressing force to I-shaped beam section in conjunction automatic runback device；Cantilever in square steel tube center pillar with cantilever beam section
Beam section is held out against with I-shaped beam section, is left no gaps after installation, is avoided that the loss of prestress due to caused by beam-ends rotation displacement, drag-line
Effect can control plastic deformation development and damage accumulation, thus the anti-seismic performance and reset capability of lift structure.
The described welding combination quadrate steel pipe column is by the upper quadrate steel pipe column of flange plate, middle quadrate steel pipe column, cantilever beam section and the
One inclined support bar is welded, and the I-shaped beam section with inclined support bar is connected by I-shaped beam section and the second inclined support bar with first
Connection device is formed by connecting, and the combination automatic runback device includes two toolings, a drag-line and two bean column node connection dresses
It sets；The system is symmetrically arranged, and it is logical that two square steel tube center pillars with cantilever beam section combine quadrate steel pipe column with two welding respectively
Cross two group of second attachment device connection；Two square steel tube center pillars with cantilever beam section and two I-shaped beam sections with inclined support bar are logical
Cross the connection of two beam column node connection devices, two I-shaped beam sections with inclined support bar are placed in active beam link both ends, respectively with consumption
Energy beam section passes through six the 4th attachment devices and weldering by two groups of third attachment devices connections, two Y type diagonal braces respectively
Connect combination quadrate steel pipe column and the square steel tube center pillar connection with cantilever beam section, the type diagonal brace lower end Y combines the of quadrate steel pipe column with welding
One inclined support bar is connected by the 4th attachment device, and Y type diagonal brace upper end passes through the 4th attachment device and on one side with inclined support bar
In I-shaped beam section the second inclined support bar connection, another side by the 4th attachment device be welded in weld combine quadrate steel pipe column and
The third inclined support bar of square steel tube center pillar junction with cantilever beam section connects.
Cantilever beam section in square steel tube center pillar of the system with cantilever beam section is held out against with I-shaped beam section, does not stay seam after installation
Gap, is avoided that the loss of prestress due to caused by beam-ends rotation displacement, and edge of a wing upper cover plate uses inner cover plate design, is convenient for and building
The connection of plate, lower flange cover board use outer cover plate design, cantilever beam section and I-shaped in the square steel tube center pillar with cantilever beam section
Bolt unsymmetrical arrangement at beam section lower flange, it is therefore intended that first install cantilever beam section lower flange cover board, lower flange cover board can be made
For the rest of I-shaped beam section during the installation process, accelerate speed of application, improves construction quality, adapt to the hair of assembling type steel structure
Exhibition.
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, combination automatic runback device includes two toolings, a drag-line and two beam column node connection devices, is drawn with tradition
Rope automatic runback device is compared, in the identical situation of drag-line pretension, using the entirety of the bean column node of combination automatic runback device
Bearing capacity can be higher；In the identical situation of bearing capacity of bean column node, the drag-line prestressing force demand meeting of automatic runback device is combined
It reduces, is avoided that the excessive overstressing load to I-shaped beam section of drag-line prestressing force；By rationally designing Suo Li size, make structure most
The accumulation for controlling to big degree development and the damage of plastic deformation, makes structure have good anti-seismic performance and reset capability.
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
Support is compared with rigid truss tube structure system, can be in the position of setting support while improving structure entirety lateral resistance behavior
It sets and opens up door opening.
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, improves construction speed
Degree and construction quality, adapt to the development of assembling type steel structure.
Detailed description of the invention
Fig. 1 is the three-dimensional figure of a kind of big headroom and the Self-resetting steel frame eccentrical braces of flange plate；
Fig. 2 is the broken away view of a kind of big headroom and the Self-resetting steel frame eccentrical braces of flange plate；
Fig. 3 is the front view of a kind of big headroom and the Self-resetting steel frame eccentrical braces of flange plate.
Specific embodiment
With reference to the accompanying drawing, the embodiment of this patent is described in detail.
As shown in Figures 1 to 3, the Self-resetting steel frame eccentrical braces of a kind of big headroom and flange plate include following structure
Part.
1 --- welding combination quadrate steel pipe column；
2 --- the square steel tube center pillar with cantilever beam section；
3 --- the I-shaped beam section with inclined support bar；
4 --- Y type diagonal brace；
5 --- active beam link；
6 --- combination automatic runback device；
7 --- beam column node connection device；
8 --- the first attachment device；
9 --- the second attachment device；
10 --- third attachment device；
11 --- the 4th attachment device；
12 --- the upper quadrate steel pipe column of flange plate；
13 --- middle quadrate steel pipe column；
14 --- cantilever beam section；
15 --- I-shaped beam section；
16 --- the first inclined support bar；
17 --- the second inclined support bar；
18 --- third inclined support bar；
19 --- tooling；
20 --- drag-line；
21 --- top flange cover board；
22 --- lower flange cover board；
23 --- web shear plate；
As shown in Figures 1 to 3, which includes that quadrate steel pipe column (1), two square steel tubes with cantilever beam section are combined in two welding
Center pillar (2), two I-shaped beam sections (3) with inclined support bar, two Y type diagonal braces (4), an active beam link (5), combination Self-resetting
Device (6) and several attachment devices, described welding combination quadrate steel pipe column (1) by flange plate upper quadrate steel pipe column (12), in
Quadrate steel pipe column (13), cantilever beam section (14) and the first inclined support bar (16) are welded, the I-beam with inclined support bar
Section (3) is formed by connecting by I-shaped beam section (15) and the second inclined support bar (17) with the first attachment device (8), and the combination is certainly
Resetting apparatus (6) includes two toolings (19), a drag-line (20) and two beam column node connection devices (7), the bean column node
Attachment device (7) includes top flange cover board (21), lower flange cover board (22), web shear plate (23) and high-strength bolt.
As shown in Figure 1, 2, which is symmetrically arranged, two square steel tube center pillars (2) with cantilever beam section and two welderings
It connects combination quadrate steel pipe column (1) and passes through two group of second attachment device (9) connection；Two square steel tube center pillars (2) with cantilever beam section with
Two I-shaped beam sections (3) with inclined support bar pass through two beam column node connection device (7) connections, two works with inclined support bar
Word beam section (3) is placed in active beam link (5) both ends, is connect with active beam link (5) by two groups of third attachment devices (10), described
Two Y type diagonal braces (4) combine quadrate steel pipe column (1) and with cantilever beam section with welding by six the 4th attachment devices (11)
Square steel tube center pillar (2) connection, Y type diagonal brace (4) lower end combine the first inclined support bar (16) of quadrate steel pipe column with welding by the 4th
Attachment device (11) connection, Y type diagonal brace (4) upper end passes through the 4th attachment device (11) and the I-beam with inclined support bar on one side
Square steel tube is combined with welding is welded in by the 4th attachment device (11) in the second inclined support bar (17) connection in section, another side
Third inclined support bar (18) connection of column and the square steel tube center pillar junction with cantilever beam section.
As shown in Figure 1, the cantilever beam section in the square steel tube center pillar (2) with cantilever beam section is held out against with I-shaped beam section (15), peace
Seam is not stayed after the completion of dress；Cantilever beam section welding tooling (19) in the square steel tube center pillar (2) with cantilever beam section is drawn for fixed
Rope (20) and preventer guy apply pretension；At the beam column node connection device (7), top flange cover board (21) is set as
Inner cover is board-like, and lower flange cover board (22) uses outer cover plate design, the cantilever beam in the square steel tube center pillar (2) with cantilever beam section
Bolt unsymmetrical arrangement at section and I-shaped beam section (15) lower flange, it is therefore intended that first install cantilever beam section lower flange cover board
(22), lower flange cover board (22) can be as the rest of I-shaped beam section (15) during the installation process.
Claims (5)
1. the Self-resetting steel frame eccentrical braces of a kind of big headroom and flange plate, it is characterised in that: the system includes two
Quadrate steel pipe column, two square steel tube center pillars with cantilever beam section, two I-shaped beam sections with inclined support bar, two Y are combined in a welding
Type diagonal brace, an active beam link, combination automatic runback device and several attachment devices；The welding combination quadrate steel pipe column is by band method
Upper quadrate steel pipe column, middle quadrate steel pipe column, cantilever beam section and the first inclined support bar of blue disk are welded, and middle quadrate steel pipe column is welded in
Lower end of the quadrate steel pipe column without ring flange, cantilever beam section are welded on middle quadrate steel pipe column, the first inclined support bar be welded in cantilever beam with
Upper quadrate steel pipe column junction；The I-shaped beam section with inclined support bar is by I-shaped beam section and the second inclined support bar with the first connection
Device is formed by connecting；The combination automatic runback device includes two toolings, a drag-line and two beam column node connection devices,
The beam column node connection device totally two, each beam column node connection device includes two top flange cover boards, a bottom wing
Edge cover board and two web shear plates, two top flange cover boards are located on the inside of I-shaped beam section top flange, are respectively in I-shaped beam section abdomen
Plate two sides are arranged symmetrically, and are conducive to the connection with floor, while being avoided that the bent influence to floor of cover board drum, two web shearings
Plate is respectively in I-shaped beam section web two sides and is arranged symmetrically, and a lower flange cover board is located on the outside of I-shaped beam section lower flange；The system
It is symmetrically arranged, a square steel tube center pillar with cantilever beam section combines quadrate steel pipe column with a welding and passes through one group of second connection
Device connection, another square steel tube center pillar with cantilever beam section combine quadrate steel pipe column with another welding and are connected by another group second
Connection device connection；One square steel tube center pillar with cantilever beam section and an I-shaped beam section with inclined support bar pass through a beam column section
Point attachment device connection, another square steel tube center pillar with cantilever beam section and another I-shaped beam section with inclined support bar pass through another
One beam column node connection device connects, and the cantilever beam section in the square steel tube center pillar with cantilever beam section is held out against with I-shaped beam section, pacifies
Seam is not stayed after the completion of dress, in the cantilever beam section welding tooling, applies pretension for stay guy and preventer guy；Two bands are tiltedly
The I-shaped beam section of support rod is placed in active beam link both ends, is connect with active beam link by two groups of third attachment devices, described two
A Y type diagonal brace combines quadrate steel pipe column, the square steel tube center pillar with cantilever beam section and with oblique with welding by six the 4th attachment devices
The I-shaped beam section of support rod connects, and the first inclined support bar that the type diagonal brace lower end Y combines quadrate steel pipe column with welding passes through the 4th connection
Device connection, Y type diagonal brace upper end pass through the second bearing diagonal in the 4th attachment device and the I-shaped beam section with inclined support bar on one side
Quadrate steel pipe column and square steel tube center pillar with cantilever beam section are combined with being welded in weld by the 4th attachment device in bar connection, another side
The third inclined support bar of junction connects.
2. the Self-resetting steel frame eccentrical braces of a kind of big headroom according to claim 1 and flange plate, special
Sign is: first attachment device be I-shaped beam section and the second inclined support bar junction high-strength bolt, totally two groups.
3. the Self-resetting steel frame eccentrical braces of a kind of big headroom according to claim 1 and flange plate, special
Sign is: second attachment device is the height of welding combination quadrate steel pipe column and the square steel tube center pillar junction with cantilever beam section
Strength bolt group, totally two groups.
4. the Self-resetting steel frame eccentrical braces of a kind of big headroom according to claim 1 and flange plate, special
Sign is: the third attachment device is the high-strength bolt of the I-shaped beam section with hound and active beam link junction, altogether
Two groups, active beam link both ends are respectively in, two I-shaped beam sections with inclined support bar are connect with active beam link.
5. the Self-resetting steel frame eccentrical braces of a kind of big headroom according to claim 1 and flange plate, special
Sign is: the 4th attachment device totally 6, and each 4th attachment device includes two edge of a wing cover boards and two web connections
Plate, the 4th attachment device is for the connection between two Y type diagonal braces and 6 inclined support bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071634.9A CN109707043B (en) | 2019-01-25 | 2019-01-25 | Large-clearance self-resetting steel frame eccentric support system with flange plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071634.9A CN109707043B (en) | 2019-01-25 | 2019-01-25 | Large-clearance self-resetting steel frame eccentric support system with flange plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109707043A true CN109707043A (en) | 2019-05-03 |
| CN109707043B CN109707043B (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910071634.9A Active CN109707043B (en) | 2019-01-25 | 2019-01-25 | Large-clearance self-resetting steel frame eccentric support system with flange plate |
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Citations (5)
| 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 |
| 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 |
| 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 CN201910071634.9A patent/CN109707043B/en active Active
Patent Citations (5)
| 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 |
| 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 |
| 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 |
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| CN109707043B (en) | 2021-01-15 |
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