CN109779016A - A kind of Self-resetting frame center support system with end plate connecting node - Google Patents
A kind of Self-resetting frame center support system with end plate connecting node Download PDFInfo
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- CN109779016A CN109779016A CN201910071647.6A CN201910071647A CN109779016A CN 109779016 A CN109779016 A CN 109779016A CN 201910071647 A CN201910071647 A CN 201910071647A CN 109779016 A CN109779016 A CN 109779016A
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- beam section
- inclined support
- support bar
- steel pipe
- cantilever beam
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Abstract
The present invention relates to a kind of Self-resetting frame center support system with end plate connecting node, belongs to structural engineering field.The system includes two welding combination quadrate steel pipe columns, two square steel tube center pillars with cantilever beam section, an I-shaped beam section with inclined support bar, two anti-buckling supports, 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;It is equipped with anti-buckling support between beam column, improves frame entirety stability and energy dissipation capacity, and reduce the operating pressure of drag-line, promotes the realization of frame structure system Self-resetting.
Description
Technical field
This patent is related to a kind of Self-resetting frame center support system with end plate connecting node, belongs to Structural Engineering technology
Field.
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, change the production method of existing building industry, develop green
Color building is the grand strategy for leading the new normality of economic development and realizing sustainable development.Assembling type steel structure building is the life-cycle
Green building in period has standardized designs, the factorial production, prefabricated construction, integration finishing, information system management etc.
Feature.Widely popularize assembling type steel structure building, it is possible to reduce building waste and building dust pollution are shortened construction duration, mentioned
Construction quality is risen, steel superfluous production capacity is digested, forms 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.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 with end plate connecting node
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 I-shaped 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 with end plate connecting node proposed by the present invention, geological process occur
When, anti-buckling support can play the role of good energy consumption, while general I-shaped beam section can automatically restore to original under the action of drag-line
Position.
To achieve the above object, the present invention uses following technological means:
A kind of Self-resetting frame center support system with end plate connecting node, 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, an I-beam with inclined support bar are combined in two welding
Section, two anti-buckling supports, combination automatic runback device and several attachment devices;The system has runback bit function after shake, described
Combination automatic runback device include two toolings, a drag-line and two beam column node connection devices, be this patent innovative point
One of, the cantilever beam section in the square steel tube center pillar with cantilever beam section is closely connect by beam column node connection device 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 drag-line prestressing force is to work in combination automatic runback device
The overstressing load of word beam section;Cantilever beam-ends and I-shaped beam-ends in square steel tube center pillar with cantilever beam section are all welded with end plate,
Beam column node connection device is assisted to carry out the square steel tube center pillar with cantilever beam section and the company between the I-shaped beam section with inclined support bar
It connects, the connection of end plate can reduce the rotation displacement of I-shaped beam section generation;Cantilever beam in square steel tube center pillar with cantilever beam section
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 the accumulation of development and the damage of plastic deformation, thus the anti-seismic performance and reset capability of lift structure;And it is described
The combination automatic runback device and anti-buckling support work 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 I-shaped beam section with inclined support bar is by I-shaped beam section and two the second inclined support bars with two
The first attachment device of group is formed by connecting;The combination automatic runback device includes two toolings, a drag-line and two beam column sections
Point attachment device;The system is symmetrically arranged, and two square steel tube center pillars with cantilever beam section combine square steel tube with two welding
Column passes through two group of second attachment device connection respectively;Two square steel tube center pillars with cantilever beam section are located at inclined support bar
I-shaped beam section both ends are connected by two beam column node connection devices with two End plate connections, the side with cantilever beam section respectively
Cantilever beam section in steel pipe center pillar is held out against with I-shaped 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 I-shaped beam section connection with inclined support bar are combined, anti-buckling support lower end combines the first of quadrate steel pipe column with welding
Inclined support bar is connected by third attachment device, and anti-buckling support upper end passes through third attachment device and the I-shaped with inclined support bar
The second inclined support bar connection in beam section.
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, 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, I-shaped beam section can automatically restore to original position under the action of drag-line, realize runback bit function after antidetonation and shake.
3, 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 a kind of three-dimensional figure of Self-resetting frame center support system with end plate connecting node;
Fig. 2 is a kind of broken away view of Self-resetting frame center support system with end plate connecting node;
Fig. 3 is a kind of front view of Self-resetting frame center support system with end plate connecting node.
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 Self-resetting frame center support system with end plate connecting node includes with lower member.
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 --- 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 --- I-shaped 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 --- End plate connections.
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), an I-shaped beam section (3) with inclined support bar, two anti-buckling supports (4), combination are automatic runback device (5) and several
Attachment device;Described welding combination quadrate steel pipe column (1) by the upper quadrate steel pipe column (10) of flange plate, middle quadrate steel pipe column (11),
Cantilever beam section (12) and the first inclined support bar (14) are welded, and the I-shaped beam section (3) with inclined support bar is by I-beam
Section (13) and two the second inclined support bars (15) are formed by connecting with two group of first attachment device (7);The combination Self-resetting dress
Setting (5) includes two toolings (16), a drag-line (17) and two beam column node connection devices (6), bean column node connection dress
Setting (6) includes a top flange cover board (18) and a lower flange cover board (19).
As shown in Figure 1, 2, which is symmetrically arranged, and two square steel tube center pillars (2) with cantilever beam section are respectively with two
A welding combination quadrate steel pipe column (1) passes through two group of second attachment device (8) connection;Two square steel tube center pillars with cantilever beam section
(2) I-shaped beam section (3) both ends with inclined support bar are located at, two beam column node connection devices (6) and two end plates are passed through
Connector (20) connection;Described two anti-buckling supports (4) combine quadrate steel pipe column with welding by four groups of third attachment devices (9)
(1) I-shaped beam section (3) connection and with inclined support bar, anti-buckling support (4) lower end with that quadrate steel pipe column is combined in welding is first oblique
Support rod (14) by third attachment device (9) connect, anti-buckling support (4) upper end pass through third attachment device (9) with oblique
The second inclined support bar (15) connection in the I-shaped beam section of support rod.
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 (13), peace
Seam is not stayed after the completion of dress;Cantilever beam section welding tooling (16) in the square steel tube center pillar (2) with cantilever beam section is drawn for fixed
Rope (17) and preventer guy apply pretension.
Claims (4)
1. a kind of Self-resetting frame center support system with end plate connecting node, it is characterised in that: the system includes two welderings
Connect combination quadrate steel pipe column, two square steel tube center pillars with cantilever beam section, an I-shaped beam section with inclined support bar, two it is anti-buckling
Support, combination automatic runback device and several attachment devices;The welding combines quadrate steel pipe column by the upper square steel tube of flange plate
Column, middle quadrate steel pipe column, cantilever beam section and the first inclined support bar are welded, and middle quadrate steel pipe column is welded in quadrate steel pipe column can not be blue
The lower end of disk, cantilever beam section are welded on middle quadrate steel pipe column, and the first inclined support bar is welded in cantilever beam section and upper quadrate steel pipe column connects
Meet place;The I-shaped beam section with inclined support bar is by I-shaped beam section and two the second inclined support bars with two group of first attachment device
It is formed by connecting, two the second inclined support bars are located at I-shaped beam section middle position, and are connected to I-shaped beam section lower flange;The group
Closing automatic runback device includes two toolings, a drag-line and two beam column node connection devices, and the bean column node connects dress
Totally two are set, each beam column node connection device includes a top flange cover board and a lower flange cover board, top flange cover board position
On the outside of I-shaped beam section top flange, lower flange cover board is located on the outside of I-shaped beam section lower flange, and the connection at web is connected using end plate
The mode of fitting, the cantilever beam-ends of the square steel tube center pillar with cantilever beam section and the I-shaped beam section with inclined support bar are all welded with end plate
Connector, the I-shaped beam section for the square steel tube center pillar of connecting band cantilever beam and with inclined support bar;The system is symmetrically arranged,
One square steel tube center pillar with cantilever beam section combines quadrate steel pipe column with a welding and is connected by one group of second attachment device, another
A square steel tube center pillar with cantilever beam section combines quadrate steel pipe column with another welding and is connected by another group of the second attachment device;Two
A square steel tube center pillar with cantilever beam section is located at the I-shaped beam section both ends with inclined support bar, is connected by two bean column nodes
Device is connected with End plate connections, 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, is installed
It does not stay seam after, in the cantilever beam section welding tooling, applies pretension for stay guy and preventer guy;It is described two anti-in the wrong
Quadrate steel pipe column is combined in song support by four groups of third attachment devices with welding and the I-shaped beam section with inclined support bar connects, anti-buckling
Support lower end is connected with the first inclined support bar that quadrate steel pipe column is combined in welding by third attachment device, and anti-buckling support upper end is logical
Third attachment device is crossed to connect with the second inclined support bar in the I-shaped beam section with inclined support bar.
2. a kind of Self-resetting frame center support system with end plate connecting node according to claim 1, feature exist
In the high-strength bolt that: first attachment device is I-shaped beam section and the second inclined support bar junction, totally two groups.
3. a kind of Self-resetting frame center support system with end plate connecting node according to claim 1, feature exist
In: second attachment device is the high-strength spiral shell of welding combination quadrate steel pipe column and the square steel tube center pillar junction with cantilever beam section
Bolt group, totally two groups.
4. a kind of Self-resetting frame center support system with end plate connecting node according to claim 1, feature exist
In: the third attachment device is the high-strength bolt of anti-buckling support and inclined support bar junction, totally four groups, is used for two
Connection between anti-buckling support and four inclined support bars.
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CN201910071647.6A CN109779016A (en) | 2019-01-25 | 2019-01-25 | A kind of Self-resetting frame center support system with end plate connecting node |
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Cited By (1)
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CN110108562A (en) * | 2019-05-29 | 2019-08-09 | 西安建筑科技大学 | A kind of bearing diagonal node slip resistance experiment static force loading device and loading method |
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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 |
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CN105863074A (en) * | 2016-04-17 | 2016-08-17 | 北京工业大学 | Assembly type wave web beam-column joint connection device |
CN106522382A (en) * | 2016-11-10 | 2017-03-22 | 西安建筑科技大学 | Fabricated concrete-filled steel tube column-H type steel beam self-resetting energy consumption connection joint |
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 |
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CN110108562A (en) * | 2019-05-29 | 2019-08-09 | 西安建筑科技大学 | A kind of bearing diagonal node slip resistance experiment static force loading device and loading method |
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Application publication date: 20190521 |