CN106567594B - A kind of end has the buckling induction support of circumferential screw type induction unit - Google Patents
A kind of end has the buckling induction support of circumferential screw type induction unit Download PDFInfo
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- CN106567594B CN106567594B CN201611029896.1A CN201611029896A CN106567594B CN 106567594 B CN106567594 B CN 106567594B CN 201611029896 A CN201611029896 A CN 201611029896A CN 106567594 B CN106567594 B CN 106567594B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of ends, and there is the buckling of circumferential screw type induction unit to induce support, including confinement section and energy consumption section, it further include a support flat segments, the section that consumes energy setting is made of at least one circumferential screw type induction unit along the axis direction of support in the support flat segments both ends, the section that consumes energy；The described circumferential screw type induction unit is circumferentially to be arranged successively to form a section and be positive the space body of m polygon by m circumferential screw type subelement, and circumferential screw type subelement is space body made of collinearly being folded as two pieces of triangular plates.Buckling induction support of the present invention, under small shake effect, the induction support of this buckling keeps elasticity, and in middle shake or big shake effect, buckling induction support enters yielding stage, and good hysteretic energy performance can play the effect of damper again.Compared with traditional buckling restrained brace, present invention decreases Contraction in Site workload, energy conservation and environmental protections.
Description
Technical field
The invention belongs to building structure technology fields, have circumferential screw type induction unit more particularly to a kind of end
Buckling induction support, suitable for steel construction or concrete structure with buckling restrained brace.
Background technique
In steel construction or reinforced concrete structure use process, common support compression can generate buckling phenomenon, work as branch
After supportting compressive buckling, rigidity and bearing capacity are drastically reduced.Under earthquake or wind action, the internal force of support is being pressurized and tension two
Back and forth change under kind state.When support gradually fades to tension state by the state of buckling, the internal force and rigidity of support are close to
Zero.Thus common support Hysteresis Behavior under course under cyclic loading is poor.To solve common support compressive buckling and hysteresis
Can difference problem, casing is set outside support, constrains the compressive buckling of support, constitute buckling restrained brace only core plate and other
Component connection, suffered load are all undertaken by core plate, and outer sleeve and packing material only constrain core plate compressive buckling, and core plate is made to exist
Tension and by pressure can enter surrender, thus, the Hysteresis Behavior of buckling restrained brace is excellent.Buckling restrained brace on the one hand can
It, can be on the other hand with the energy dissipation capacity of metal damper to avoid the defect of common support tension and compression bearing capacity significant difference
" fuse " is served as in the structure, so that main structure is substantially in elastic range.Therefore, the application of buckling restrained brace,
Anti-seismic performance of traditional braced frame under middle shake and big shake can be improved comprehensively.But traditional buckling restrained brace is usually adopted
With steel and coagulation local soil type at restraining tube, it is high to lead to make precision prescribed, from great and difficulty of construction is big, to core cell sheet
Body promotes it and is very limited with use scope there are larger additional load.
Applicant proposes a kind of buckling control of the end with duplex pyramid type energy consumption unit on June 1st, 2016
The buckling for supporting (application No. is 201610380805.2) and a kind of end to have staggeredly pyramid energy consumption unit controls support
The basic energy consumption unit of (application No. is 201610384216.1) is pyramid, pyramid energy consumption unit be it is non-rigid can
Exhibition；So buckling control support is larger by the difficulty of high-order buckling mode energy consumption.Applicant proposes one on June 1st, 2016
Kind end has the energy-dissipating type buckling restrained brace (application No. is 201610383430.5) and one kind of symmetrical initial imperfection unit
It is fixed that end, which has the geometric configuration of the buckling control support (application No. is 201610380804.8) of brilliant energy consumption unit,
, design flexibility is small.And construction, the plate thickness of unit at folding line etc. that consume energy in above-mentioned support is consistent at non-folding line, it is unfavorable
In the generation plastic hinge at folding line.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiency of the prior art, and provide a kind of end tool
There is the energy-dissipating type buckling induction support of circumferential screw type induction unit.The torsion stiffness of the induction unit reduction unit, can lure
It leads support and high order mode surrender occurs, avoid support that complete buckling occurs to early, and have in circumferential screw type induction unit more
Folding line, can more give full play to the plastic property of unit, while the flat segments being connected with this element can guarantee the axis of support again
To rigidity, there is good bearing capacity.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of end has the buckling induction support of circumferential screw type induction unit, including confinement section and energy consumption section, special
Sign is: further including a support flat segments, the energy consumption section setting is at the support flat segments both ends, in the another of the energy consumption section
One end setting confinement section, energy consumption section is by least one circumferential screw type induction unit along the axis direction group of support
At；The circumferential screw type induction unit is circumferentially to be arranged successively to form a section by m circumferential screw type subelement
Be positive the space body of m polygon, and the number of edges m of the regular polygon is the integer more than or equal to 3；The circumferential direction screw type subelement
For space body, respectively triangular plate one and triangular plate two made of collinearly being folded as two pieces of triangular plates, wherein triangle
The common edge of plate one and triangular plate two is valley line.Triangular plate is folded inward along valley line, it is described be folded inward refer to it is adjacent
Triangular plate exterior normal between angle become smaller；In cross-sectional direction, in each circumferential screw type subelement
The free margins of triangular plate two is overlapped with the free margins of the triangular plate one of adjacent circumferential screw type subelement；In the axial direction
On, each circumferential direction screw type subelement intermediate cam shape plate two and the triangular plate one of adjacent adjacent circumferential screw type subelement
Free margins is overlapped.
The end restraint section is made of regular polygon steel plate, the short girder steel of T-type and connecting plate, and regular polygon steel plate is welded on
Energy consumption section end, two short girder steels of T-type and regular polygon steel plate are welded to connect, and connecting plate is clipped among two short girder steels of T-type, even
Fishplate bar is connect with the short girder steel of T-type with high-strength bolt, and the number of edges of the steel plate is more than or equal to 3.
The support flat segments are made of the steel pipe that section is regular polygon and regular polygon steel plate, the weldering of regular polygon steel plate
It connects in the end of the steel pipe of equilateral polygon section, the section that consumes energy and regular polygon steel plate are welded to connect, the number of edges of the steel tube section
Also for more than or equal to 3.
Energy consumption section hole-opening at all folding lines, the hole diameter are d, and d is equal to plate thickness；Hole it
Between distance be equal, described distance be equal to 5 times of hole diameters.
The single circumferential screw type induction unit is arranged successively shape along supporting section circumferential direction by circumferential screw type subelement
At wherein the triangle of the free margins of the triangular plate two in each circumferential direction screw type subelement and adjacent circumferential screw type subelement
The free margins of shape plate one is overlapped.
The utility model has the advantages that
There is a kind of end of the present invention buckling of circumferential screw type induction unit to induce support, by end restraint section, energy consumption
Section and support flat segments are constituted.Unit is induced using four folding line type of varied angle in support, there are more clear advantages: one, ring
To the torsion stiffness very little of screw type induction unit, cause to support the movement that easily twists, to avoid supporting premature hair
Raw overall collapse.Two, the folding line that twist motion will lead to circumferential screw type induction unit is surrendered, to generate plastic deformation
It consumes energy, makes support that there is good energy dissipation capacity and axial carrying capacity.Three, circumferential screw type induction unit by setting in advance
The folding line formed by valley line and crest line set, while the hole-opening at folding line are more easier induction and are supported under geological process, only
It can be deformed along the axial direction of support, preset high order mode surrender occur, while can occur at folding line biggish
Strain achievees the purpose that dissipation seismic energy to form yield line.Four, the support combined with buckling induction section is straight
Section, it is ensured that support required axial rigidity.Circumferential spiral in section is induced by the length and buckling that change support flat segments
Type induces the number of unit, the relationship of adjustable the axial rigidity supported and energy dissipation capacity.The present invention is in manufacture craft
Jacketed cylinder, the processes such as grouting between sleeve and core dissipative member outside core dissipative member are avoided, processing is simplified
Manufacturing process reduces project cost.And the present invention can only be needed to scene with the structures such as bolt and beam column in factory process
The built-in fitting of part connects, and not only ensure that component quality, but also reduces the wet construction workload at scene, energy conservation and environmental protection.End has
The buckling induction support of circumferential screw type induction unit is both with the flexible arrangement of general buckling restrained brace, good energy consumption
The advantages that energy, and can control the buckling form of support, prevent component from complete buckling occurs to early, while can be to avoid in core
Plus processes such as sleeve and grouting outside dissipative member, effectively simplify manufacturing procedure, there is good Popularizing of A.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is end restraint section schematic diagram；
Fig. 3 is buckling section schematic diagram；
Fig. 4 is support flat segments schematic diagram；
Fig. 5 is square plate schematic diagram；
Fig. 6 is the short girder steel schematic diagram of T-type；
Fig. 7 is connecting plate schematic diagram；
Fig. 8 is that circumferential screw type induces cell schematics；
Fig. 9 is circumferential screw type subelement schematic diagram；
Figure 10 is circumferential screw type subelement floor map；
Figure 11 is hole floor map at folding line；
Figure 12 is A-A sectional view in Figure 11.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram that there is circumferential screw type the buckling of unit to be induced to induce support for end, by end restraint
Section 1, energy consumption section 2 and support flat segments 3 form, and end restraint section 1 is fixed between bean column node and energy consumption section 2, and energy consumption section 2 is solid
It is scheduled on support 3 both ends of flat segments.
As shown in Fig. 2, the connecting plate 6 that end restraint section 1 is reserved by components such as square plate 4, the short girder steel 5 of T-type and beam columns
Composition, square plate 4 are welded on energy consumption 2 end of section, and the short girder steel 5 of two T-types is welded to connect with square plate 4,4 He of square plate
The short girder steel 5 of T-type is respectively as shown in Fig. 5,6.Connecting plate 6 is clipped among the short girder steel 5 of two T-types, and connecting plate 6 and the short girder steel 5 of T-type are used
High-strength bolt connection, wherein connecting plate 6 is as shown in Figure 7.
In Fig. 3, energy consumption section 2 is made of eight circumferential screw type induction units 7 along the axis direction of support, wherein circumferential
Screw type induces circumferential screw type subelement intermediate cam shape plate 2 10 and adjacent adjacent circumferential screw type subelement in unit
The free margins 12 of triangular plate 1 is overlapped.As shown in figure 8, circumferential screw type induction unit 7 is by six identical circumferential screw types
Subelement is circumferentially arranged successively the space body to form that a section is regular hexagon, wherein in each circumferential direction screw type subelement
The free margins 13 of triangular plate 2 10 be overlapped with the free margins 12 of the triangular plate 1 of adjacent circumferential screw type subelement.Such as
Shown in Fig. 9, Figure 10, circumferential screw type subelement is collinearly made of two pieces of triangular plates, respectively triangular plate 1 and triangle
Plate 2 10, wherein the common edge of triangular plate 1 and triangular plate 2 10 is valley line 11.Triangular plate is along valley line 11 to infolding
Folded, the angle being folded inward between the exterior normal for referring to adjacent triangular plate becomes smaller.
As shown in figure 4, support flat segments 3 are made of the bracing members 14 and square plate 4 of square-section, square plate 4 is welded
It connects in the end of the bracing members 14 of square-section, the section 2 that consumes energy and square plate 4 are welded to connect.
As shown in Figure 11, Figure 12, equidistant hole-opening at folding line in the section 2 that consumes energy, hole diameter is the thickness d of plate, hole
The distance between hole is 5d.
Claims (3)
1. there is the buckling of circumferential screw type induction unit to induce support, including confinement section (1) and energy consumption section (2) for a kind of end,
It is characterized by also including support flat segments (3), the energy consumption section (2) is arranged at support flat segments (3) both ends,
The other end setting of the energy consumption section confinement section, energy consumption section (2) induce unit (7) edge by least one circumferential screw type
Support axis direction composition；Circumferential screw type induction unit (7) is by m circumferential screw type subelement (8) edge
Circumferential direction, which is arranged successively, to be formed a section and is positive the space body of the side m shape, and the number of edges m of the regular polygon is whole more than or equal to 3
Number；The circumferential direction screw type subelement (8) is space made of two pieces of triangular plates as being in the same plane collinearly fold
Body, two pieces of triangular plates are respectively triangular plate one (9) and triangular plate two (10), wherein triangular plate one (9) and triangle
The common edge of plate two (10) is valley line (11)；Triangular plate is folded inward along valley line (11), it is described be folded inward refer to it is adjacent
Triangular plate exterior normal between angle become smaller；In cross-sectional direction, in each circumferential screw type subelement (8)
Triangular plate two (10) free margins (13) and adjacent circumferential screw type subelement (8) triangular plate one (9) free margins
(12) it is overlapped；In the axial direction, each circumferential screw type subelement intermediate cam shape plate two (10) and adjacent adjacent circumferential spiral shell
The free margins (12) of the triangular plate one (9) of rotation type subelement (8) is overlapped；Energy consumption section (2) hole-opening at all folding lines,
Described hole diameter is d, and d is equal to plate thickness；The distance between hole be it is equal, the distance be equal to 5 times of hole diameters.
2. there is the buckling of circumferential screw type induction unit to induce support for end according to claim 1, it is characterised in that:
The end restraint section (1) is made of regular polygon steel plate (4), the short girder steel of T-type (5) and connecting plate (6), regular polygon steel plate
(4) it is welded on energy consumption section (2) end, two short girder steels of T-type (5) and regular polygon steel plate (4) are welded to connect, connecting plate (6) folder
Intermediate in two short girder steels of T-type (5), connecting plate (6) is connect with the short girder steel of T-type (5) with high-strength bolt, the steel plate (4)
Number of edges is more than or equal to 3.
3. there is the buckling of circumferential screw type induction unit to induce support for end according to claim 1, it is characterised in that:
Support flat segments (3) is made of the steel pipe (14) that section is regular polygon and regular polygon steel plate (4), regular polygon steel plate
(4) it is welded on the end of the steel pipe (14) of equilateral polygon section, energy consumption section (2) and regular polygon steel plate (4) are welded to connect, described
The number of edges in steel pipe (14) section is more than or equal to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029896.1A CN106567594B (en) | 2016-11-15 | 2016-11-15 | A kind of end has the buckling induction support of circumferential screw type induction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029896.1A CN106567594B (en) | 2016-11-15 | 2016-11-15 | A kind of end has the buckling induction support of circumferential screw type induction unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106567594A CN106567594A (en) | 2017-04-19 |
| CN106567594B true CN106567594B (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611029896.1A Active CN106567594B (en) | 2016-11-15 | 2016-11-15 | A kind of end has the buckling induction support of circumferential screw type induction unit |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952288B (en) * | 2017-05-17 | 2021-01-26 | 大连大学 | Installation method of double-torsion anti-buckling device of buckling-restrained brace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000265706A (en) * | 1999-03-19 | 2000-09-26 | Sumitomo Metal Ind Ltd | Buckling restraint brace |
| JP2003034984A (en) * | 2001-07-24 | 2003-02-07 | Takenaka Komuten Co Ltd | Vibration control brace |
| JP2003193699A (en) * | 2001-12-28 | 2003-07-09 | Sumitomo Metal Ind Ltd | Elasto-plastic, visco-elastic brace |
| CN105888348A (en) * | 2016-06-01 | 2016-08-24 | 东南大学 | Buckling control support with diamond type energy dissipation units at ends |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7461481B2 (en) * | 2004-05-07 | 2008-12-09 | Chong-Shien Tsai | Shock-absorbing tie brace |
-
2016
- 2016-11-15 CN CN201611029896.1A patent/CN106567594B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000265706A (en) * | 1999-03-19 | 2000-09-26 | Sumitomo Metal Ind Ltd | Buckling restraint brace |
| JP2003034984A (en) * | 2001-07-24 | 2003-02-07 | Takenaka Komuten Co Ltd | Vibration control brace |
| JP2003193699A (en) * | 2001-12-28 | 2003-07-09 | Sumitomo Metal Ind Ltd | Elasto-plastic, visco-elastic brace |
| CN105888348A (en) * | 2016-06-01 | 2016-08-24 | 东南大学 | Buckling control support with diamond type energy dissipation units at ends |
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| CN106567594A (en) | 2017-04-19 |
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