CN109853753A - A kind of anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled - Google Patents
A kind of anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled Download PDFInfo
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- CN109853753A CN109853753A CN201910071454.0A CN201910071454A CN109853753A CN 109853753 A CN109853753 A CN 109853753A CN 201910071454 A CN201910071454 A CN 201910071454A CN 109853753 A CN109853753 A CN 109853753A
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- beam section
- steel pipe
- pipe column
- quadrate steel
- annular partition
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Abstract
The present invention relates to a kind of anti-buckling inverted L shape web cutting member combined joint attachment devices of recoverable function assembled, belong to structural engineering field.The combined joint combines beam section by a quadrate steel pipe column with cantilever beam section, a drum and one group of combined connection apparatus forms；The pouring of concrete slab in combination beam, rivet and nodal connection device welding portion can be completed in factory, and weld seam precision and quality is easier to be controlled, and speed of application is greatly improved with construction quality；Using anti-buckling theory, the top flange inner cover plate of combined connection apparatus is arranged to that inner cover is board-like to control edge of a wing cover board buckling amplitude；It is board-like that lower flange outer cover plate is arranged to outer cover, the with good performance visual and replacement property sentenced；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 anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled,
Belong 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.
Bean column node designs unreasonable the occurrence of will lead to " strong component weak bus ", makes structure in seismic loading
It is lower that serious earthquake occurs, threaten people life property safety.Existing research shows that carrying out specific aim reinforcement or right to bean column node
Specific region takes weakening means to can reach the purpose of plastic hinge on beam, to protect bean column node, " strong node is weak for satisfaction
The design requirement of component "；Meanwhile floor and beam section it is pre-assembled after be transported to construction site carry out assembly can greatly save live coagulation
The time that soil pours；In addition, after earthquake without repair or slightly repair can restore be using the recoverable function structure of function
The research hotspot of International Seismic engineering field in recent years can not only protect the security of the lives and property of people in earthquake, and
It can also be restored as early as possible after earthquake using function, therefore need the theory of recoverable function structure implementing grinding in new construction
Send out design work in, with realize building from it is single pursuit collapse resistant capacity to take into account shake after can repair ability transformation.To meet
The above demand, the invention patent propose a kind of anti-buckling inverted L shape web cutting member combined joint company of recoverable function assembled
Connection device.The device includes a quadrate steel pipe column with cantilever beam section, a drum combination beam section and one group of combined connection apparatus.
The quadrate steel pipe column with cantilever beam section is by a upper quadrate steel pipe column, a middle quadrate steel pipe column, a lower quadrate steel pipe column and one
A cantilever beam section is welded, wherein cantilever beam section top side shape annular partition be welded on quadrate steel pipe column and middle quadrate steel pipe column it
Between, cantilever beam section lower part side shape annular partition is welded between middle quadrate steel pipe column and lower quadrate steel pipe column, the welding of cantilever beam section web
Between top side's shape annular partition and lower part side's shape annular partition；Under cantilever beam section top side shape annular partition, cantilever beam section
The interior square chi cun of portion side's shape annular partition is respectively less than square chi cun in quadrate steel pipe column, and foreign side's size is all larger than the outer square chi of quadrate steel pipe column
It is very little, and cantilever beam section upper and lower shape annular partition thickness is all larger than drum combination beam section edge of a wing thickness；The drum combination beam
Section is welded by concrete cast-in-place slab and the drum beam section with rivet；The combined connection apparatus is by two top flanges
Inner cover plate, two top flange backing plates, a lower flange outer cover plate, an inverted L shape web cutting member and high-strength bolt composition.
Summary of the invention
The present invention proposes a kind of anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled,
Belong to technical field of structural engineering.Beam section is pre-assembled can complete in factory for the welding of combined connection apparatus, drum combination, welds
Seam and component quality are easier to control, and speed of application is greatly improved with quality.The device includes a square steel tube with cantilever beam section
Column, a drum combination beam section and one group of combined connection apparatus.
Quadrate steel pipe column with cantilever beam section includes a upper quadrate steel pipe column, a middle quadrate steel pipe column, a lower quadrate steel pipe column
It is welded with a cantilever beam section, wherein cantilever beam section top side shape annular partition is welded on quadrate steel pipe column and middle square steel tube
Between column, cantilever beam section lower part side shape annular partition is welded between middle quadrate steel pipe column and lower quadrate steel pipe column, cantilever beam section web
It is welded between top side's shape annular partition and lower part side's shape annular partition；Cantilever beam section top side shape annular partition, cantilever beam
The interior square chi cun of pars infrasegmentalis side's shape annular partition is respectively less than square chi cun in quadrate steel pipe column, and foreign side's size is all larger than quadrate steel pipe column foreign side
Size, and cantilever beam section upper and lower shape annular partition thickness is all larger than drum combination beam section edge of a wing thickness；
Drum combination beam section is formed by concrete slab is cast-in-place in the common drum beam section for being welded with rivet；
Quadrate steel pipe column with cantilever beam section is connected with drum combination beam section by combined connection apparatus, wherein top flange inner cover
Built in plate, lower flange outer cover plate is external, and there are the spacing of 5-10mm between inverted L shape web cutting member and top flange inner cover plate；
Top flange inner cover plate and lower flange outer cover plate are arranged to circular arc dog bone and weaken area or the shearing weakening area that punches, and weaken
The size in area designs according to the actual situation.
A kind of anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled is can after a kind of shake
The nodal connection device for restoring function realizes that beam-ends is reinforced by thickening cantilever beam section edge of a wing thickness, reaches plastic hinge
Purpose；The edge of a wing uses single-blade edge cover board type of attachment, by practical calculating design so that plastic failure occurs in splice region, and
Elasticity is kept substantially in bean column node rest part, and attachment device need to be only replaced after shake can restore the use function of main structure
Energy；The design of inverted L shape web cutting member, utilizes anti-buckling theory, it is intended to after the inner cover bucking of plate of top flange by with inverted L shape
The contact on the web cutting member edge of a wing, which is held out against, to mention enough support forces for top flange inner cover plate, to the buckling amplitude of top flange inner cover plate into
Row effectively control；It is board-like that top flange inner cover plate is arranged to inner cover, and concrete outside top flange can be made more smooth, while can be by falling
L-type web cutting member realizes the bending deformation control of top flange inner cover plate, and to be arranged to outer cover board-like for lower flange outer cover plate, can make
For the rest of common beam section during the installation process, while being also convenient for node and edge of a wing cover board bending deformation is carried out in use
Observation, the with good performance visual and replacement property sentenced；The beam column node connection device is not merely with edge of a wing cover board unstability
With replaceable feature, achieve the purpose that plastic hinge, it is ensured that the main members such as beam column are in elastic stage, by more after shake
Change connector i.e. recoverable function；Limitation edge of a wing cover board bending deformation is excessive again simultaneously, it is ensured that and node has necessary bearing capacity,
Make the node that there is more preferably bearing capacity and energy dissipation capacity.
The advantages of this patent, is mainly manifested in the following aspects:
1, the casting of concrete slab can be in factory in nodal connection device welding portion of the invention and drum beam
It completes, weld seam precision and quality is easier to control, and speed of application is greatly improved with construction quality, adapts to the hair of assembling type steel structure
Exhibition.
2, the nodal connection device of this patent is a kind of nodal connection device of recoverable function after shake, outstanding by thickening
Arm beam section edge of a wing thickness realizes that beam-ends is reinforced, and achievees the purpose that plastic hinge；It is board-like that its top flange inner cover plate is arranged to inner cover,
Concrete outside top flange can be made more smooth；Node plastic failure may make to occur in splice region by Reasonable Parameters design, and
Elasticity is kept substantially in bean column node rest part, and attachment device need to be only replaced after shake can restore the use function of main structure
Energy.By the wall thickness and increase side's shape annular partition thickness of quadrate steel pipe column in reinforcing, to realize to Column border node domain and cantilever beam section
Effective reinforcement；Weaken area or the shearing weakening area that punches by the way that circular arc dog bone is arranged to edge of a wing cover board, to realize bonding pad
Effectively weaken, achievees the purpose that plastic hinge.
3, in this patent inverted L shape web cutting member design, utilize anti-buckling theory, it is intended to when top flange inner cover plate bend
By holding out against with the contact on the inverted L shape web cutting member edge of a wing and can mention enough support forces for edge of a wing cover board after song, to top flange inner cover plate
Buckling amplitude control effectively；It is board-like that top flange inner cover plate is arranged to inner cover, and concrete outside top flange can be made more smooth,
It can realize that the bending deformation of top flange cover board is controlled by inverted L shape web cutting member simultaneously, and lower flange outer cover plate is arranged to outside
Cover-plate type can be used as the rest of common beam section during the installation process, while be also convenient for node in use to edge of a wing cover board
Bending deformation is observed, the with good performance visual and replacement property sentenced.
4, the unsymmetrical arrangement according to the actual situation of the bolt in this patent at cantilever beam and drum combination beam lower flange, purpose
It is first to install at cantilever beam after the outer cover plate of lower flange, drum combination beam can be made to directly rest on the outer cover plate of lower flange, added
Fast speed of application, improves construction quality, adapts to the development of assembling type steel structure, the present invention is not limited to specific implementations here
Scheme, technical staff's prompt according to the present invention, does not depart from scope improvements introduced and modification all should be in the present invention
Protection scope within.
Detailed description of the invention
Fig. 1 is a kind of construction of the anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled
The three-dimensional figure of form；
Fig. 2 is a kind of construction of the anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled
The three-dimensional in-site installation figure of form；
Fig. 3 is a kind of construction of the anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled
The front view of form；
Fig. 4 is a kind of construction of the anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled
The 1-1 cross-sectional view of form；
Fig. 5 is a kind of construction of the anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled
The side view of form；
Fig. 6 is a kind of construction of the anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled
The top view of form；
Fig. 7 is a kind of construction of the anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled
Form without concrete slab top view；
Fig. 8 is a kind of upper limb of the anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled
The top view of edge inner cover plate structural form；
Fig. 9 is a kind of bottom wing of the anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled
The top view of edge outer cover plate structural form.
Specific embodiment
With reference to the accompanying drawing, the embodiment of this patent is described in detail.
As shown in figures 1 to 6, the anti-buckling inverted L shape web cutting member combined joint attachment device of a kind of recoverable function assembled
Including with lower component:
1 --- upper quadrate steel pipe column；
2 --- middle quadrate steel pipe column；
3 --- lower quadrate steel pipe column；
4 --- top side's shape annular partition；
5 --- lower part side's shape annular partition；
6 --- cantilever beam section web；
7 --- inverted L shape web cutting member；
8 --- top flange inner cover plate；
9 --- lower flange outer cover plate；
10 --- top flange backing plate；
11 --- I-shaped beam section；
12 --- concrete floorslab；
13 --- rivet；
14 --- the first Bolt；
15 --- the second Bolt；
16 --- third Bolt.
As shown in figures 1 to 6, the quadrate steel pipe column with cantilever beam section is by upper quadrate steel pipe column (1), middle quadrate steel pipe column (2), lower square steel
Tubing string (3) and cantilever beam section are welded, and wherein cantilever beam section top side shape annular partition (4) is welded on quadrate steel pipe column (1)
Between middle quadrate steel pipe column (2), cantilever beam section lower part side shape annular partition (5) is welded on middle quadrate steel pipe column (2) and lower square steel tube
Between column (3), cantilever beam section web (6) is welded between top side's shape annular partition (4) and lower part side's shape annular partition (5),
The interior square chi cun respectively less than square steel tube of cantilever beam section top side shape annular partition (4), cantilever beam section lower part side shape annular partition (5)
Square chi cun in column, foreign side's size are all larger than quadrate steel pipe column foreign side size, and top side's shape annular partition (4) and lower part side's shape annular
Partition (5) thickness is all larger than drum combination beam section edge of a wing thickness；Drum combines beam section by concrete cast-in-place slab (12) and has riveting
The drum beam section (11) of nail (13) is welded；Combined connection apparatus by top flange inner cover plate (8), top flange backing plate (10), under
Edge of a wing outer cover plate (9), inverted L shape web cutting member (7), the first Bolt (14), the second Bolt (15), third Bolt (16)
Composition, wherein top flange cover board (8) is built-in, and lower flange cover board (9) is external, inverted L shape web cutting member (7) and top flange inner cover plate
(8) there are the spacing of 5-10mm between.
As shown in Figure 1, 2, top side's shape annular partition (4), top flange inner cover plate (8), top flange backing plate (10) and drum
Beam section (11) top flange is connected by the second Bolt (15)；Lower part side's shape annular partition (5), lower flange outer cover plate (9), drum
Beam section (11) lower flange is connected by the first Bolt (14)；Cantilever beam section web (6) and inverted L shape web cutting member (7) pass through
Third Bolt (16) connection.
If Fig. 8,9 are respectively a kind of anti-buckling inverted L shape web cutting member combined joint connection dress of recoverable function assembled
The edge of a wing cover plate construction form set.The settable circular arc dog bone of top flange inner cover plate (8), lower flange outer cover plate (9) weakens Qu Hekai
Hole shearing weakens two kinds of area form.
Claims (2)
1. a kind of anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled, it is characterised in that: should
Device includes a quadrate steel pipe column with cantilever beam section, a drum combination beam section and one group of combined connection apparatus；The band
The quadrate steel pipe column of cantilever beam section includes a upper quadrate steel pipe column, a middle quadrate steel pipe column, a lower quadrate steel pipe column and a cantilever
Beam section is welded, and wherein cantilever beam section top side shape annular partition is welded between quadrate steel pipe column and middle quadrate steel pipe column, hangs
Arm beam section lower part side shape annular partition is welded between middle quadrate steel pipe column and lower quadrate steel pipe column, and cantilever beam section web is welded on top
Between square shape annular partition and lower part side's shape annular partition；Cantilever beam section top side shape annular partition, cantilever beam section lower part side shape
The interior square chi cun of annular partition is respectively less than square chi cun in quadrate steel pipe column, and foreign side's size is all larger than quadrate steel pipe column foreign side size, and outstanding
Arm beam section upper and lower shape annular partition thickness is all larger than drum combination beam section edge of a wing thickness；The drum combination beam section is by coagulation
Native Bars In Poured Concrete Slab is welded with the drum beam section with rivet；The combined connection apparatus is by two top flange inner cover plates, two
A top flange backing plate, a lower flange outer cover plate, two inverted L shape web cutting members, first Bolt, second bolt
Group and a third Bolt composition；The quadrate steel pipe column with cantilever beam section and drum combination beam section pass through combination connection dress
Set connection, wherein built in the inner cover plate of top flange, lower flange outer cover plate is external, inverted L shape web shear plate and top flange inner cover plate it
Between there are the spacing of 5-10mm；Top side's shape annular partition, top flange inner cover plate, top flange backing plate and drum beam section top flange are logical
Cross the connection of the second Bolt；Lower part side's shape annular partition, lower flange outer cover plate, drum beam section lower flange are connected by the first Bolt
It connects；Cantilever beam section web is connected with inverted L shape web shear plate by third Bolt.
2. the anti-buckling beam column combined joint attachment device of the assembled of recoverable function according to claim 1, feature
Be: the wall thickness of the middle quadrate steel pipe column should be greater than the wall thickness of quadrate steel pipe column and lower quadrate steel pipe column, side's shape annular partition
Thickness should be greater than 1.3 with the ratio between drum beam section edge of a wing thickness is combined, to realize effective reinforcement to Column border node domain and cantilever beam section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071454.0A CN109853753A (en) | 2019-01-25 | 2019-01-25 | A kind of anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071454.0A CN109853753A (en) | 2019-01-25 | 2019-01-25 | A kind of anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled |
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| Publication Number | Publication Date |
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| CN109853753A true CN109853753A (en) | 2019-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910071454.0A Pending CN109853753A (en) | 2019-01-25 | 2019-01-25 | A kind of anti-buckling inverted L shape web cutting member combined joint attachment device of recoverable function assembled |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669570A (en) * | 2013-12-19 | 2014-03-26 | 北京工业大学 | Special-shaped steel column-prestress central supporting frame easy to restore after earthquake |
| 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 |
| CN106593059A (en) * | 2017-01-11 | 2017-04-26 | 东南大学 | Dog-bone joint beam end buckling constraining device |
| 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 |
| CN109057014A (en) * | 2018-07-22 | 2018-12-21 | 北京工业大学 | Self-resetting can assemble multistage joist steel frame after shake |
-
2019
- 2019-01-25 CN CN201910071454.0A patent/CN109853753A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669570A (en) * | 2013-12-19 | 2014-03-26 | 北京工业大学 | Special-shaped steel column-prestress central supporting frame easy to restore after earthquake |
| 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 |
| CN106593059A (en) * | 2017-01-11 | 2017-04-26 | 东南大学 | Dog-bone joint beam end buckling constraining device |
| 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 |
| CN109057014A (en) * | 2018-07-22 | 2018-12-21 | 北京工业大学 | Self-resetting can assemble multistage joist steel frame after shake |
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Application publication date: 20190607 |