CN109750747A - A self-resetting frame center support system using corrugated web beams - Google Patents
A self-resetting frame center support system using corrugated web beams Download PDFInfo
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- CN109750747A CN109750747A CN201910071646.1A CN201910071646A CN109750747A CN 109750747 A CN109750747 A CN 109750747A CN 201910071646 A CN201910071646 A CN 201910071646A CN 109750747 A CN109750747 A CN 109750747A
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Abstract
本发明涉及一种应用波纹腹板梁的自复位框架中心支撑体系，属于结构工程领域。该体系包括两个焊接组合方钢管柱、两个带悬臂梁段的方钢管中柱、一个带斜支撑杆的波纹腹板梁段、两个防屈曲支撑、组合自复位装置及数个连接装置；通过增加由拉索、工装及梁柱节点连接装置组成的组合自复位装置，能有效提高节点的整体承载力且能避免组合自复位装置中拉索预张力过大对波纹腹板梁段的超应力负荷；梁柱之间设有防屈曲支撑，提高了框架整体稳定性和耗能能力，并减小拉索的工作压力，促进框架结构体系自复位的实现。
The invention relates to a self-reset frame center support system using corrugated web beams, and belongs to the field of structural engineering. The system includes two welded composite square steel pipe columns, two square steel pipe central columns with cantilever beam sections, one corrugated web beam section with diagonal bracing rods, two anti-buckling supports, combined self-resetting devices and several connecting devices ;By adding a combined self-reset device composed of a cable, a tool and a beam-column joint connection device, the overall bearing capacity of the node can be effectively improved and the excessive pretension of the cable in the combined self-reset device can be avoided. Overstress load; anti-buckling supports are provided between beams and columns, which improves the overall stability and energy dissipation capacity of the frame, reduces the working pressure of the cables, and promotes the realization of the self-reset of the frame structure system.
Description
Technical field
This patent is related to a kind of Self-resetting frame center support system using corrugated web beam, belongs to Structural Engineering technology
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.Wherein, the connection type of component occupies important
A ring.Traditional steel frame often uses the mode of welding in work progress at the scene, but due to construction site environment complexity,
So that the bad assurance of construction quality of welding, being bolted preferably to carry out control to construction quality, but exists centainly
Design difficulty.How welding is stayed in the better factory of working environment to carry out, is only bolted at the construction field (site), is
Major issue in prefabricated construction field.
Existing more high-rise public buildings and residential housing will lead to building and terminate use once seismic Damage occurs, right
Social economy restores and people's life will cause to seriously affect, and the repair after shake is even more time-consuming and laborious.How to pass through
Reasonable Frame Design not only can guarantee collapse resistant capacity of the structure in earthquake, but also can reduce the warp of repairing and reinforcement after structure shake
Help cost and time cost, realize after the shake of building structure function can fast quick-recovery, be the Important Problems of structural seismic research.
In order to overcome the problems referred above, this patent proposes a kind of Self-resetting frame center supporter using corrugated web beam
System.The bolted on part fastening work of component is convenient and efficient, accelerates speed of application, and using the high-strength spiral shell at connecting plate
Bolt friction energy-dissipating avoids the damage of the main components such as beam column.When geological process occurs, anti-buckling support can play good energy consumption
Effect, while corrugated web beam section can automatically restore to original position under the action of drag-line.
Summary of the invention
A kind of Self-resetting frame center support system using corrugated web beam proposed by the present invention, geological process occur
When, anti-buckling support can play the role of good energy consumption, while corrugated web beam section can automatically restore under the action of drag-line
Original position.
To achieve the above object, the present invention uses following technological means:
A kind of Self-resetting frame center support system using corrugated web beam, it is characterised in that: it is characterized in that the body
System includes that quadrate steel pipe column, two square steel tube center pillars with cantilever beam section, a ripple abdomen with inclined support bar are combined in two welding
Slab beam segment, two anti-buckling supports, combination automatic runback device and several attachment devices；The system has runback bit function after shake,
The combination automatic runback device includes two toolings, a drag-line and two beam column node connection devices, is the wound of this patent
One of new point, beam column node connection device by the square steel tube center pillar with cantilever beam section cantilever beam section and corrugated web beam section it is tight
The combination of close connection, cover board and drag-line can improve the total bearing capacity of node and be avoided that in combination automatic runback device that drag-line is answered in advance
Overstressing load of the power to corrugated web beam section；Each beam column node connection device includes two top flange cover boards, a bottom wing
Edge cover board and four L-type parts, beam section web can reduce the rotation of corrugated web beam section generation by the way of the connection of L-type part
Displacement；The design of corrugated web increases out-of-plane stability, and under the action of lateral load, corrugated web can prevent beam
Whole Inclining destruction；Cantilever beam section in square steel tube center pillar with cantilever beam section is held out against with corrugated web beam section, after installation not
Gap is stayed, is avoided that the loss of prestress due to caused by beam-ends rotation displacement, the effect of drag-line can control the development of plastic deformation
With the accumulation of damage, thus the anti-seismic performance and reset capability of lift structure；And the described combination automatic runback device with it is anti-buckling
Support works together, and drag-line and anti-buckling support collective effect realize Self-resetting effect；The energy dissipation capacity of anti-buckling support reduces
The operating pressure of drag-line, improves the stability and self-resetting capability of 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；The corrugated web beam section with inclined support bar is tiltedly propped up by corrugated web beam section and two second
Strut is formed by connecting with two group of first attachment device；The combination automatic runback device includes two toolings, a drag-line and two
A beam column node connection device；The system is symmetrically arranged, two square steel tube center pillars with cantilever beam section and two welding groups
It closes quadrate steel pipe column and passes through two group of second attachment device connection respectively；Two square steel tube center pillars with cantilever beam section are located at band tiltedly
The corrugated web beam section both ends of support rod, respectively by two beam column node connection device connections, the square steel tube with cantilever beam section
Cantilever beam section in center pillar is held out against with corrugated web beam section, does not stay seam after being installed, in the cantilever beam section welding tooling, is used for
Stay guy and preventer guy apply pretension；Described two anti-buckling supports pass through four groups of third attachment devices and welding respectively
Quadrate steel pipe column and the corrugated web beam section connection with inclined support bar are combined, quadrate steel pipe column is combined with welding in anti-buckling support lower end
First inclined support bar is connected by third attachment device, and anti-buckling support upper end is by third attachment device and with inclined support bar
The second inclined support bar connection in corrugated web beam section.
Cantilever beam section in square steel tube center pillar of the system with cantilever beam section is held out against with corrugated web beam section, is not stayed 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, convenient for
The connection of floor, lower flange cover board use outer cover plate design, cantilever beam section and wave in the square steel tube center pillar with cantilever beam section
Bolt unsymmetrical arrangement at line web beam section lower flange, it is therefore intended that first install cantilever beam section lower flange cover board, lower flange lid
Plate can accelerate speed of application as the rest of corrugated web beam section during the installation process, improve construction quality, adapt to assembled steel
The development of structure.
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 corrugated web beam section of drag-line prestressing force；By rationally designing Suo Li size, make to tie
Structure farthest controls the accumulation of development and the damage of plastic deformation, so that structure is had good anti-seismic performance and resets energy
Power.
2, Self-resetting after shaking.Anti-buckling support and drag-line collective effect, cooperate.It is anti-buckling when geological process occurs
Support can play the role of good energy consumption, greatly reduce earthquake load bring influence, when earthquake load cause it is bigger
When influence, corrugated web beam section can automatically restore to original position under the action of drag-line, realize Self-resetting function after antidetonation and shake
Energy.
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 corrugated web beam during the installation process, while being also convenient for node and using
Edge of a wing cover board bending deformation is observed in the process, 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.
5, the design of corrugated web increases out-of-plane stability, under the action of lateral unfavorable load, corrugated web
The Inclining destruction of beam entirety can effectively be prevented.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional figure of Self-resetting frame center support system using corrugated web beam；
Fig. 2 is a kind of broken away view of Self-resetting frame center support system using corrugated web beam；
Fig. 3 is a kind of front view of Self-resetting frame center support system using corrugated web beam.
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 using the Self-resetting frame center support system of corrugated web beam includes with lower member.
1 --- welding combination quadrate steel pipe column；
2 --- the square steel tube center pillar with cantilever beam section；
3 --- the corrugated web beam section with inclined support bar；
4 --- anti-buckling support；
5 --- combination automatic runback device；
6 --- beam column node connection device；
7 --- the first attachment device；
8 --- the second attachment device；
9 --- third attachment device；
10 --- the upper quadrate steel pipe column of flange plate；
11 --- middle quadrate steel pipe column；
12 --- cantilever beam section；
13 --- corrugated web beam section；
14 --- the first inclined support bar；
15 --- the second inclined support bar；
16 --- tooling；
17 --- drag-line；
18 --- top flange cover board；
19 --- lower flange cover board；
20 --- L-type part.
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), a corrugated web beam section (3) with inclined support bar, two anti-buckling supports (4), combination automatic runback device (5)
And several attachment devices；The welding combines quadrate steel pipe column (1) by upper quadrate steel pipe column (10), the middle quadrate steel pipe column of flange plate
(11), cantilever beam section (12) and the first inclined support bar (14) are welded, the corrugated web beam section (3) with inclined support bar
It is formed by connecting by corrugated web beam section (13) and two the second inclined support bars (15) with two group of first attachment device (7)；Described
Combining automatic runback device (5) includes two toolings (16), a drag-line (17) and two beam column node connection devices (6), the beam
Column border node attachment device (6) includes two top flange cover boards (18), a lower flange cover board (19) and four L-type parts (20).
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 (8) connection；Two square steel tube center pillars (2) with cantilever beam section point
It Wei Yu not be connected with corrugated web beam section (3) both ends of inclined support bar by two beam column node connection devices (6)；Described two
A anti-buckling support (4) combines quadrate steel pipe column (1) and with the ripple of inclined support bar with welding by third attachment device (9) respectively
Web beam section (3) connection, anti-buckling support (4) lower end pass through third with the first inclined support bar (14) that quadrate steel pipe column is combined in welding
Attachment device (9) connection, anti-buckling support (4) upper end pass through third attachment device (9) and the corrugated web beam with inclined support bar
The second inclined support bar (15) connection in section.
As shown in Figure 1, the cantilever beam section and corrugated web beam section (13) in the square steel tube center pillar (2) with cantilever beam section are pushed up
Tightly, seam is not stayed after being installed；Cantilever beam section welding tooling (16) in the square steel tube center pillar (2) with cantilever beam section, is used for
Stay guy (17) and preventer guy apply pretension；At the beam column node connection device (6), top flange cover board (18) is set
It is board-like to be set to inner cover, lower flange cover board (19) uses outer cover plate design, the cantilever in the square steel tube center pillar (2) with cantilever beam section
Bolt unsymmetrical arrangement at beam section and corrugated web beam section (13) lower flange, it is therefore intended that first install cantilever beam section lower flange lid
Plate (19), lower flange cover board (19) can be as the rest of corrugated web beam section (13) during the installation process.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910071646.1A CN109750747A (en) | 2019-01-25 | 2019-01-25 | A self-resetting frame center support system using corrugated web beams |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910071646.1A CN109750747A (en) | 2019-01-25 | 2019-01-25 | A self-resetting frame center support system using corrugated web beams |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175078A (en) * | 2021-04-21 | 2021-07-27 | 哈尔滨工业大学 | Novel assembled buckling restrained brace steel frame structure rotates connected node unit |
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| CN103696498A (en) * | 2013-12-19 | 2014-04-02 | 北京工业大学 | Novel post-earthquake easy-to-repair steel irregular column- center support |
| CN107268787A (en) * | 2017-02-17 | 2017-10-20 | 北京工业大学 | A kind of end plate assembled corrugated web occlusion beam column node connection device for recovering function |
| CN107386435A (en) * | 2017-03-13 | 2017-11-24 | 河南科技大学 | The assembled of prestressed node connection can recover function steel frame support system |
| CN109057013A (en) * | 2018-07-22 | 2018-12-21 | 北京工业大学 | Self-resetting can assemble multistage beam concentrically braced steel frame after shake |
-
2019
- 2019-01-25 CN CN201910071646.1A patent/CN109750747A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2900658Y (en) * | 2006-07-10 | 2007-05-16 | 山东莱钢建设有限公司 | Accentric support |
| CN201485976U (en) * | 2009-07-13 | 2010-05-26 | 中冶京唐建设有限公司 | Node connecting structure of steel structural frame girder and structural pole |
| 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 |
| CN203296166U (en) * | 2013-06-14 | 2013-11-20 | 天津市建筑设计院 | Supporting structure of main module unit in module building |
| CN103696498A (en) * | 2013-12-19 | 2014-04-02 | 北京工业大学 | Novel post-earthquake easy-to-repair steel irregular column- center support |
| CN107268787A (en) * | 2017-02-17 | 2017-10-20 | 北京工业大学 | A kind of end plate assembled corrugated web occlusion beam column node connection device for recovering function |
| CN107386435A (en) * | 2017-03-13 | 2017-11-24 | 河南科技大学 | The assembled of prestressed node connection can recover function steel frame support system |
| CN109057013A (en) * | 2018-07-22 | 2018-12-21 | 北京工业大学 | Self-resetting can assemble multistage beam concentrically braced steel frame after shake |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175078A (en) * | 2021-04-21 | 2021-07-27 | 哈尔滨工业大学 | Novel assembled buckling restrained brace steel frame structure rotates connected node unit |
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