CN110284593A - A kind of embedded Weak link construction - Google Patents
A kind of embedded Weak link construction Download PDFInfo
- Publication number
- CN110284593A CN110284593A CN201910554075.7A CN201910554075A CN110284593A CN 110284593 A CN110284593 A CN 110284593A CN 201910554075 A CN201910554075 A CN 201910554075A CN 110284593 A CN110284593 A CN 110284593A
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- bracket
- girder steel
- weak link
- embedded
- height
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 81
- 239000010959 steel Substances 0.000 claims abstract description 81
- 238000009434 installation Methods 0.000 claims abstract description 22
- 239000007787 solid Substances 0.000 claims 1
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009545 invasion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of embedded Weak links to construct, including girder steel, sliding support, bracket and installation bolt, the main structure of bracket is H-shaped, and horizontally structure is continuing surface, its two sides vertically to structure be side plate, upside be upper end opening semiclosed hollow cavity；Girder steel is the And of Varying Depth component of the thin middle part thickness in end；The end of girder steel is embedded to be connected in the semiclosed hollow cavity of bracket；The height of bracket is less than or equal to steel depth of beam, and the upper surface of bracket is not higher than the upper surface of girder steel after installation, and the lower end surface of bracket is not less than the lower end surface of girder steel.Weak link construction, is moved down by bracket continuing surface, is realized in the high relationship of layer, girder steel end, sliding support are ensconced in bracket height.By the improvement constructed to the Weak link, being reliably connected for beam column can also be realized under lesser requirement for height, and there is certain sliding deformability, it can be achieved that facade connecting portion does not occur extra protrusion constructs, and meet elevation of building requirement.
Description
Technical field
The present invention relates to construction engineering technical fields, especially design a kind of weak company used for vestibule in large-scale construction
Connect construction.
Background technique
With large-scale public construction, the development of Commercial Complex, larger office building, there is weak company in more and more buildings
Connect construction.In practical projects, general Weak link be all connection is realized by girder steel, slip support abutment, bracket etc., but this three
Person requires certain height to meet force request, and three's superposition, then whole height requires larger, often in beam-to-column joint portion
There is a biggish protrusion connecting structure in position, is affected to the facade of building.As shown in attached drawing 1,2,3, the end of girder steel 1 '
Downside is connect by installation bolt 4 ', sliding support 2 ' with the bracket 3 ' being connected on pillar 5 ', can be significantly from figure
Out, the connection total height after installation is that bracket height adds slip support abutment height to add girder steel height (i.e. h total=h ox+h branch+h beam), beam
Column connecting portion has a biggish protrusion construction, and the alien invasion for influencing building is beautiful.Therefore, we are to weak at beam-to-column joint
Connecting structure is improved, to solve the above problems.
Summary of the invention
Object of the present invention is to: the Weak link construction that whole height is effectively reduced after a kind of improvement is provided, in lesser height
Under degree requires, being reliably connected for beam column also may be implemented, and there is certain sliding deformability, facade interconnecting piece may be implemented
Position does not occur extra protrusion construction, meets elevation of building requirement.
The technical scheme is that a kind of embedded Weak link construction, including girder steel, sliding support, bracket and installation
The end of bolt, the girder steel is connect by sliding support and installation bolt with bracket, and the bracket is fixedly connected with pillar, institute
The main structure section for stating bracket is H-shaped, horizontally structure be continuing surface, two sides vertically to structure be side plate,
Upside is the semiclosed hollow cavity of upper end opening；The girder steel is the And of Varying Depth component of the thin middle part thickness in end；The girder steel
End is embedded to be connected in the semiclosed hollow cavity of bracket；The height of the bracket is less than or equal to steel depth of beam, and pacifies
The upper surface of bracket is not higher than the upper surface of girder steel after dress, and the lower end surface of bracket is not less than the lower end surface of girder steel.
Preferably, the middle bottom of bracket vertical direction is arranged in the continuing surface that girder steel end is used to support on the bracket
It sets.
Preferably, the sliding support is mounted on the upper center of the continuing surface, by installation bolt from the bottom up according to
Secondary connection continuing surface, sliding support and girder steel.
Preferably, the lower end surface of the girder steel end is fixed with four girder steel limit plates, and four girder steel limit plates surround
At inner space be sliding support installation region, it is rectangular.
Preferably, the upper surface of the continuing surface is fixed with support limit plate；The support limit plate is set to separate
The side being connect with pillar, and it is parallel with pillar.
Preferably, the lower end surface of the girder steel limit plate is lower than the upper surface of the support limit plate
Preferably, the lower end surface of the continuing surface is fixed with multiple tracks vertical stiffening rib.
Preferably, the flange plate perpendicular to side plate is installed on the outside of the upper end of two blocks of side plates.
Preferably, the one or multi-channel stringer perpendicular to side plate is installed on the outside of the middle part of two blocks of side plates.
Preferably, the mounting means of the installation bolt is fixture nut in upper end, and traveling nut and fixed device are under
End.
The invention has the advantages that
1, it compared with prior art, by the way that bracket continuing surface is displaced downwardly in whole bracket lower position, realizes in the high relationship of layer
On, girder steel end, sliding support are ensconced in bracket height；
2, the end of girder steel is designed to And of Varying Depth component, i.e., girder steel end moment of flexure is small when rationally being constructed using Weak link, and span centre is curved
The big principle of square, when meeting shearing resistance, height reduces, in girder steel span centre according to actual moment of flexure, amount of deflection control for girder steel end
Girder steel is done height by demand processed；
3, bracket continuing surface is arranged with multiple tracks ribs, for guaranteeing local bending resistance, the anti-pressure ability of steel corbel continuing surface；
4, flange plate is set in the both side plate outer upper end portion of bracket and stringer is arranged in middle part, for guaranteeing bracket side plate
Local bending resistance, anti-pressure ability；Stringer can replace flange plate in flange plate accidental destruction, form side plate stress
Two defence lines；
5, limiting device is installed respectively on girder steel and bracket, in greatly shake effect under, there are certain deformations for slip support abutment first
Energy dissipation capacity then stops girder steel to fall off, formation prevents from falling off if slip support abutment destroys by the side plate of bracket and support limit plate
Two defence lines.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the structural schematic diagram that Weak link common in the art constructs；
Fig. 2 be in Fig. 1 A-A to sectional view；
Fig. 3 is B-B direction sectional view in Fig. 1；
Fig. 4 is the structural schematic diagram that the Weak link of embodiment one constructs；
Fig. 5 be in Fig. 4 C-C to sectional view；
Fig. 6 be in Fig. 4 D-D to sectional view；
Fig. 7 be in Fig. 4 E-E to sectional view；
Fig. 8 is the alien invasion figure of the Weak link construction after being installed；
Fig. 9 is the structural schematic diagram that the Weak link of embodiment two constructs；
Figure 10 be in Fig. 9 F-F to sectional view；
Wherein: 1, girder steel；1-1, girder steel limit plate；2, sliding support；2-1, support limit plate；3, bracket；3-1, continuing surface；3-
2, side plate；3-3, vertical stiffening rib；3-4, flange plate；3-5, stringer；4, bolt is installed；5, pillar.
Specific embodiment
Embodiment one:
As shown in attached drawing 4~8, a kind of embedded Weak link construction, including girder steel 1, sliding support 2, bracket 3 and installation bolt 4,
The end of the girder steel 1 is connect by sliding support 2 and installation bolt 4 with bracket 3, and the bracket 3 is fixedly connected with pillar 5.
The main structure section of the bracket 3 is H-shaped, horizontally structure be continuing surface 3-1, two sides vertically to structure be side
Plate 3-2, upside are the semiclosed hollow cavity of upper end opening；The girder steel 1 is the And of Varying Depth component of the thin middle part thickness in end；Institute
It states in the embedded semiclosed hollow cavity for being connected to bracket 3 in end of girder steel 1；1 end of girder steel is used to support on the bracket 3
Continuing surface 3-1 lower position is set in 3 vertical direction of bracket.The sliding support 2 is mounted on the upper of the continuing surface 3-1
End middle part is sequentially connected continuing surface 3-1, sliding support 2 and girder steel 1 by installing bolt 4 from the bottom up.1 end of girder steel
Lower end surface be fixed with four girder steel limit plate 1-1, the inner space that four girder steel limit plate 1-1 are encircled into is sliding support
2 installation region, it is rectangular.The upper surface of the continuing surface 3-1 is fixed with support limit plate 2-1；The support limit
Plate 2-1 is set to the separate side connecting with pillar 5, and parallel with pillar 5.The lower end surface of the girder steel limit plate 1-1 is lower than
The upper surface of the support limit plate 2-1.The height of the bracket 3 is equal to height (the i.e. h of girder steel 1Always=hOx=hBeam), and after installation
The upper surface of bracket 3 is not higher than the upper surface of girder steel 1, and the lower end surface of bracket 3 is not less than the lower end surface of girder steel 1.Therefore, the weak company
It connects after construction installs, spacing of the longitudinal movement limit section of sliding support 2 between pillar 5 and support limit plate 2-1 is horizontal
It is the spacing between two side plate 3-2 of bracket 3 to moving limit section.
The lower end surface of the continuing surface 3-1 is fixed with multiple tracks vertical stiffening rib 3-3, for guaranteeing steel corbel continuing surface
Local bending resistance, anti-pressure ability.
The flange plate perpendicular to side plate 3-2 is symmetrically installed with as shown in attached drawing 7,8, on the outside of the upper end of two pieces of side plate 3-2
3-4；One of stringer 3-5 perpendicular to side plate 3-2 is symmetrically installed on the outside of the middle part of two pieces of side plate 3-2.Flange plate 3-4
With the design of stringer 3-5, for guaranteeing local bending resistance, the anti-pressure ability of bracket side plate, wherein stringer 3-5
Quantity increases and decreases according to actual needs.
To above-mentioned technical proposal further instruction, the mounting means of the installation bolt 4 is fixture nut in upper end, bullet
Spring and traveling nut are in lower end.Such mounting means repairs convenient for later observations, and bolt is effectively prevent to fall, from upper past
The bolt of lower installation removes non-artificial extraction, does not otherwise fall out.
Embodiment two:
As shown in attached drawing 9~10, a kind of embedded Weak link construction, the height of the bracket 3 is less than height (the i.e. h of girder steel 1Ox
< hBeam=hAlways), and the upper surface of bracket 3 is lower than the upper surface of girder steel 1 after installation, the lower end surface of bracket 3 is in the lower end surface of girder steel 1
Concordantly.Remaining is the same as embodiment one.
Certainly, the present invention is not limited only to above two embodiment, such as: the height of the bracket 3 is less than the height of girder steel 1
(i.e. hOx< hBeam=hAlways), the upper surface for being also possible to bracket 3 after installing is lower than the upper surface of girder steel 1, and the lower end surface of bracket 3 is higher than
The lower end surface of girder steel 1, the structure do not provide structural schematic diagram, compared with embodiment two, reduce bracket 3 and are located at continuing surface 3-1
The height of downside.
In conclusion the height of the bracket 3 is less than or equal to height (the i.e. h of girder steel 1Ox≤hBeam), the specific height root of bracket 3
Factually the bending resistance of border building height, building shape, vestibule length and bracket, shear resistance calculate determination, guarantee to meet and connect
It is more smart to bracket progress that finite element mode can also be used in frame column where corridor laying end internal force is effectively transferred to when necessary
Refinement analysis, finds out weak spot, makees specific aim reinforcement.
Embedded Weak link construction of the invention, compared with commonly used in the prior art, by will be under steel corbel continuing surface
It moves, realizes in the high relationship of layer, girder steel end, sliding support ensconces bracket height, for the bending resistance for meeting bracket, shearing resistance energy
Power, the bracket both side plate provided with conventional height, but this two blocks of side plates and girder steel end, sliding support are basic in height relationships
It is overlapped.Pillar for example steel column, steel corbel are connected on steel column by way of factory's pre-welding.Pillar for example concrete column, lotus
It carries in biggish situation, steel corbel can be connected on a segment type steel pre-buried in pillar by way of factory's pre-welding；Load
In lesser situation, steel corbel can be directly connected by built-in fitting mode with pillar.It falls off to prevent girder steel in, under big shake,
Need to carry out Weak link both ends main structure big shake Elastic-plastic Displacement checking computations, by both ends main structure steel beam position maximum bullet
Plastic displacement superposition, the maximum displacement as sliding support.And limiting device is installed respectively on girder steel and bracket, in shake greatly
Under effect, there are certain deformation energy dissipation capacities, such as slip support abutment to destroy for slip support abutment first, then passes through the side plate and branch of bracket
Seat limit plate stops girder steel to fall off, and forms two defence lines for preventing from falling off.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any
Those skilled in the art all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.
Therefore, such as those of ordinary skill in the art without departing from revealed spirit of the invention under technical idea
All equivalent modifications completed or change should be covered by the claims of the present invention.
Claims (10)
1. a kind of embedded Weak link construction, including girder steel (1), sliding support (2), bracket (3) and installation bolt (4), described
The end of girder steel (1) is connect by sliding support (2) and installation bolt (4) with bracket (3), and the bracket (3) and pillar (5) are solid
Fixed connection, it is characterised in that: the main structure section of the bracket (3) is H-shaped, and horizontally structure is continuing surface (3-1),
Its two sides vertically to structure be side plate (3-2), upside be upper end opening semiclosed hollow cavity；The girder steel (1) is
The And of Varying Depth component of the thin middle part thickness in end；The embedded semiclosed hollow cavity for being connected to bracket (3) in the end of the girder steel (1)
In；The height of the bracket (3) is less than or equal to the height of girder steel (1), and the upper surface of bracket (3) is not higher than girder steel after installation
(1) upper surface, the lower end surface of bracket (3) are not less than the lower end surface of girder steel (1).
2. embedded Weak link construction according to claim 1, it is characterised in that: be used to support steel on the bracket (3)
Lower position is arranged in bracket (3) vertical direction in the continuing surface (3-1) of beam (1) end.
3. embedded Weak link construction according to claim 1, it is characterised in that: the sliding support (2) is mounted on institute
The upper center for stating continuing surface (3-1) is sequentially connected continuing surface (3-1), sliding support by installing bolt (4) from the bottom up
(2) and girder steel (1).
4. embedded Weak link construction according to claim 3, it is characterised in that: the lower end surface of girder steel (1) end
Four girder steel limit plates (1-1) are fixed with, the inner space that four girder steel limit plates (1-1) are encircled into is sliding support (2)
Installation region, it is rectangular.
5. embedded Weak link construction according to claim 4, it is characterised in that: the upper surface of the continuing surface (3-1)
It is fixed with support limit plate (2-1)；The support limit plate (2-1) is set to the separate side connecting with pillar (5), and with
Pillar (5) is parallel.
6. embedded Weak link construction according to claim 5, it is characterised in that: under the girder steel limit plate (1-1)
End face is lower than the upper surface of the support limit plate (2-1).
7. described in any item embedded Weak link constructions according to claim 1~6, it is characterised in that: the continuing surface (3-1)
Lower end surface be fixed with multiple tracks vertical stiffening rib (3-3).
8. embedded Weak link construction according to claim 1, it is characterised in that: outside the upper end of two pieces of side plates (3-2)
Side is symmetrically installed with the flange plate (3-4) perpendicular to side plate (3-2).
9. being constructed according to the described in any item embedded Weak links of claim 7, it is characterised in that: in two pieces of side plates (3-2)
The one or multi-channel stringer (3-5) perpendicular to side plate (3-2) is symmetrically installed on the outside of portion.
10. embedded Weak link construction according to claim 1, it is characterised in that: the installation side of installation bolt (4)
Formula is fixture nut in upper end, and traveling nut and fixed device are in lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910554075.7A CN110284593A (en) | 2019-06-25 | 2019-06-25 | A kind of embedded Weak link construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910554075.7A CN110284593A (en) | 2019-06-25 | 2019-06-25 | A kind of embedded Weak link construction |
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| Publication Number | Publication Date |
|---|---|
| CN110284593A true CN110284593A (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910554075.7A Pending CN110284593A (en) | 2019-06-25 | 2019-06-25 | A kind of embedded Weak link construction |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012193613A (en) * | 2012-07-12 | 2012-10-11 | Taisei Corp | Column-beam structure having semi-rigid joint at beam end |
| WO2014043826A1 (en) * | 2012-09-21 | 2014-03-27 | Soluciones Integrales De Reducción De Vibraciones | System and method for beam-column connection |
| CN104294923A (en) * | 2014-09-16 | 2015-01-21 | 中国建筑第八工程局有限公司 | Deformation joint structure and construction method thereof |
| CN106567457A (en) * | 2016-11-10 | 2017-04-19 | 同济大学 | Energy dissipation beam column joint for building steel structure |
| CN206815519U (en) * | 2017-03-31 | 2017-12-29 | 中民筑友科技投资有限公司 | A kind of connecting node of prefabricated post and precast beam |
| CN207063318U (en) * | 2017-08-02 | 2018-03-02 | 江苏筑原建筑设计有限公司 | A kind of attic floor floor beam mounting structure and its steel construction bracket |
| CN210684975U (en) * | 2019-06-25 | 2020-06-05 | 启迪设计集团股份有限公司 | Embedded weak connection structure |
-
2019
- 2019-06-25 CN CN201910554075.7A patent/CN110284593A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012193613A (en) * | 2012-07-12 | 2012-10-11 | Taisei Corp | Column-beam structure having semi-rigid joint at beam end |
| WO2014043826A1 (en) * | 2012-09-21 | 2014-03-27 | Soluciones Integrales De Reducción De Vibraciones | System and method for beam-column connection |
| CN104294923A (en) * | 2014-09-16 | 2015-01-21 | 中国建筑第八工程局有限公司 | Deformation joint structure and construction method thereof |
| CN106567457A (en) * | 2016-11-10 | 2017-04-19 | 同济大学 | Energy dissipation beam column joint for building steel structure |
| CN206815519U (en) * | 2017-03-31 | 2017-12-29 | 中民筑友科技投资有限公司 | A kind of connecting node of prefabricated post and precast beam |
| CN207063318U (en) * | 2017-08-02 | 2018-03-02 | 江苏筑原建筑设计有限公司 | A kind of attic floor floor beam mounting structure and its steel construction bracket |
| CN210684975U (en) * | 2019-06-25 | 2020-06-05 | 启迪设计集团股份有限公司 | Embedded weak connection structure |
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