CN106567593B - A kind of end has the buckling induction support of circumferential pineapple type induction unit - Google Patents
A kind of end has the buckling induction support of circumferential pineapple type induction unit Download PDFInfo
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- CN106567593B CN106567593B CN201611020861.1A CN201611020861A CN106567593B CN 106567593 B CN106567593 B CN 106567593B CN 201611020861 A CN201611020861 A CN 201611020861A CN 106567593 B CN106567593 B CN 106567593B
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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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Abstract
The buckling that the invention discloses a kind of end there is circumferential pineapple type to induce unit induces support, including confinement section and energy consumption section, further include a support flat segments, the section that consumes energy setting is made of at least one circumferential pineapple type induction unit along the axis direction of support in the support flat segments both ends, energy consumption section；Circumferential pineapple type induction unit is circumferentially to be arranged in order to form the space body that a section is regular polygon by m circumferential pineapple type subelement, and circumferential pineapple type subelement is by six isosceles triangle plates in the same plane by folding the space body formed.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, more particularly to a kind of end there is circumferential pineapple type to induce unit
Buckling induction support, is suitable for steel construction or concrete structure with buckling restrained brace.
Background technology
During steel construction or reinforced concrete structure use, common support compression will produce buckling phenomenon, work as branch
After supportting compressive buckling, rigidity and bearing capacity drastically reduce.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
The problem of energy difference, is arranged casing outside support, constrains the compressive buckling of support, constitutes buckling restrained brace only core plate and other
Component connects, and suffered load is 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
To avoid the defect of common support tension and compression bearing capacity significant difference, the on the other hand energy dissipation capacity with metal damper can be with
It serves as in the structure " fuse " so that agent 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, big from great and difficulty of construction, to core cell sheet
Body makes it promote and is very limited with use scope there are larger additional load.
Applicant proposed a kind of buckling control of the end with duplex pyramid type energy consumption unit on June 1st, 2016
Support (application No. is 201610380805.2) and a kind of end that there is the buckling control support of staggeredly pyramid energy consumption unit
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 proposed 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.
Invention content
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 pineapple type induction unit.The induction unit can induce support that high order mode occurs and bend
Clothes avoid support that complete buckling occurs to early, and circumferential pineapple type induction unit has a plurality of folding line, can more give full play to unit
Plastic property, while the flat segments being connected with this element can guarantee the axial rigidity of support again, have good carrying energy
Power.
Technical solution：To achieve the above object, the technical solution adopted by the present invention is：
A kind of end has the buckling induction support of circumferential pineapple type induction unit, including confinement section and energy consumption section, spy
Sign is：Further include 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 pineapple type induction unit along the axis direction group of support
At, with the circumferential pineapple type of energy consumption section connect one induce the end face of unit be by one perpendicular to axis direction and ring
The plane clipped to the cross section on one vertex of pineapple type subelement；The circumferential pineapple type induction unit is by m circumferential phoenix
Pears type subelement is circumferentially arranged in order the space body to form that a section is regular polygon, and the number of edges of the regular polygon is
2m, m are the integer more than or equal to 2；Circumferential pineapple type subelement is to be passed through by six isosceles triangle plates in the same plane
The space body formed is folded, six triangular plates are conllinear two-by-two and intersect at a vertex, according to respectively triangular plate counterclockwise
One, triangular plate two, triangular plate three, triangular plate four, triangular plate five and triangular plate six, wherein triangular plate one and three
The common edge and the common edge of triangular plate four and triangular plate five of angular plate two are crest line, triangular plate two and triangular plate three
Common edge, the common edge of triangular plate three and triangular plate four, the common edge of triangular plate five and triangular plate six, triangle
The common edge of plate four and triangular plate five is valley line, and adjacent triangular plate is foldable outwardly along crest line, along valley line to infolding
It is folded；The outward folding refers to that the angle between the exterior normal of adjacent triangular plate becomes larger, and it refers to adjacent three to be folded inward
Angle between the exterior normal of angular plate becomes smaller；The free margins of the triangular plate four of the circumferential direction pineapple type subelement in an axial direction
The free margins of the triangular plate one of adjacent circumferential pineapple type subelement overlaps, the triangular plate five of circumferential pineapple type subelement
Free margins is overlapped with the free margins of the triangular plate two of axially adjacent circumferential pineapple type subelement.
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
The section that consumes energy end, two short girder steels of T-type are welded to connect with regular polygon steel plate, 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 also greater than equal to 3.
Energy consumption section hole-opening at all folding lines, described hole a diameter of d, d are equal to plate thickness；Between hole
Distance is equal, and the distance is equal to 5 times of hole diameters.
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 is connected on the end of the steel pipe of equilateral polygon section, energy consumption section is welded to connect with regular polygon steel plate, the number of edges of the steel tube section
Also it is more than or equal to 3.
Advantageous effect：
A kind of end of the present invention has the buckling induction support that circumferential pineapple type induces unit, by end restraint section, energy consumption
Section and support flat segments are constituted.Unit is induced using circumferential pineapple type in support, there are more clear advantages：One, in unit
With more folding line, can dissipate more energy.Two, unit not only shortens in length direction in deformation process, but also
Directly also reducing for its cross section, so as to limit the low order buckling mode of support, keeps its plasticity more abundant, increases branch
The energy dissipation capacity of support.Three, the circumferential direction pineapple type induction unit by the pre-set folding line formed by crest line and valley line and
Hole-opening at folding line is more prone to induction and is supported under geological process, generates high-order buckling mode, prevent component from occurring to early whole
Body buckling.Four, the support flat segments being combined with buckling induction section, it is ensured that support required axial rigidity.Pass through change
The number of circumferential pineapple type induction unit, can adjust the axially rigid of this support in the length and buckling induction section of support flat segments
The relationship of degree and energy dissipation capacity.The present invention avoided in manufacture craft outside core dissipative member jacketed cylinder, sleeve with
The processes such as grouting, simplify processing and making process, reduce project cost between core dissipative member.And the present invention can be
Factory process only needs the built-in fitting for using the components such as bolt and beam column to connect, not only ensure that component quality, but also reduce to scene
The wet construction workload at scene, energy conservation and environmental protection.End induces the buckling induction support of unit both with one with circumferential pineapple type
As buckling restrained brace flexible arrangement, the advantages that good energy-dissipating property, and the buckling form of support can be controlled, while energy
It enough avoids, plus processes such as sleeve and grouting outside core dissipative member, effectively simplifying manufacturing procedure, have good
Popularizing of A.
Description of the drawings
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 quadrangular steel sheets 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 pineapple type induces cell schematics；
Fig. 9 is circumferential pineapple type subelement schematic diagram；
Figure 10 is circumferential pineapple type subelement floor map；
Figure 11 is hole floor map at folding line；
Figure 12 is A-A sectional views in Figure 11.
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram that there is circumferential pineapple 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 3 both ends of support flat segments.
As shown in Fig. 2, the connecting plate that end restraint section 1 is reserved by components such as quadrangular steel sheets 4, the short girder steel 5 of T-type and beam columns
6 compositions, quadrangular steel sheets 4 are welded on 2 end of energy consumption section, and the short girder steel 5 of two T-types is welded to connect with quadrangular steel sheets 4, quadrangle
Steel plate 4 and the short girder steel of T-type 5 are shown in Fig. 5, shown in 6 respectively.Connecting plate 6 is clipped among the short girder steel of two T-types 5, and connecting plate 6 and T-type are short
Girder steel 5 is connected with high-strength bolt, and wherein connecting plate 6 is as shown in Figure 7.
In Fig. 3, energy consumption section 2 is made of five circumferential pineapple type induction units 7 along the axis direction of support, is passed through simultaneously
One perpendicular to axis direction and the end toothed segment portion of energy consumption section 2 is clipped in the cross section on excessively circumferential one vertex 21 of pineapple type subelement
Point, then consume energy all sides in section end in the same plane.The free margins 19 of the triangular plate four of circumferential pineapple type subelement 8 and edge
The free margins 17 of the triangular plate one of axially adjacent circumferential pineapple type subelement 8 overlaps, the triangle of circumferential pineapple type subelement 8
The free margins 20 of shape plate five is overlapped with the free margins 18 of the triangular plate two of axially adjacent circumferential pineapple type subelement 8.Such 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 of plate, the distance between hole
For five times of plate thickness.As shown in figure 8, circumferential pineapple type induction unit 7 is by six identical circumferential 8 edges of pineapple type subelement
Circumferential direction is arranged in order the space body to form that a section is dodecagon.As shown in figure 8, pineapple type subelement 8 is by same
Six isosceles triangle plates in plane are by folding the space body formed composition.As shown in figure 9, six triangular plates are total two-by-two
Line simultaneously intersects at a vertex, according to respectively triangular plate 1, triangular plate 2 10, triangular plate 3 11, triangle counterclockwise
The common edge and triangle of plate 4 12, triangular plate 5 13 and triangular plate 6 14, wherein triangular plate 1 and triangular plate 2 10
The common edge of shape plate 4 12 and triangular plate 5 13 is crest line 15, the common edge of triangular plate 2 10 and triangular plate 3 11, three
Common edge, the triangular plate of the common edge of angular plate 3 11 and triangular plate 4 12, triangular plate 5 13 and triangular plate 6 14
6 14 and triangular plate 1 common edge be valley line 16, adjacent triangular plate along crest line 15 be foldable outwardly, along valley line 16
It is folded inward, outward folding refers to that the angle between the exterior normal of adjacent triangular plate becomes larger, and it refers to adjacent to be folded inward
Angle between the exterior normal of triangular plate becomes smaller.
As shown in figure 4, support flat segments 3 are made of the bracing members 22 and quadrangular steel sheets 4 of quadrangular section, quadrangle steel
Plate 4 is welded on the end of the bracing members 22 of quadrangular section, and energy consumption section 2 is welded to connect with quadrangular steel sheets 4.
Claims (3)
1. a kind of end has the buckling induction support that circumferential pineapple type induces unit, including confinement section（1）With energy consumption section（2）,
It is characterized in that：Further include a support flat segments（3）, the energy consumption section（2）It is arranged in the support flat segments（3）Both ends,
Confinement section described in the other end setting of the energy consumption section, consume energy section（2）Unit (7 is induced by least one circumferential pineapple type）Edge
The axis direction composition for support, with the energy consumption section（2）The circumferential pineapple type of one of connection induces unit (7）End face be logical
One is crossed perpendicular to axis direction and excessively circumferential one vertex of pineapple type subelement（21）The plane clipped of cross section；The circumferential direction phoenix
Pears type induces unit（7）It is by m circumferential pineapple type subelement（8）It is regular polygon to be circumferentially arranged in order and to form a section
Space body, the number of edges of the regular polygon is 2m, and m is the integer more than or equal to 2；Circumferential pineapple type subelement（8）By same
For six isosceles triangle plates in one plane by folding the space body formed composition, six triangular plates are conllinear two-by-two and intersect
In a vertex, according to respectively triangular plate one counterclockwise（9）, triangular plate two（10）, triangular plate three（11）, triangular plate
Four（12）, triangular plate five（13）With triangular plate six（14）, wherein triangular plate one（9）With triangular plate two（10）It is public
Side and triangular plate four（12）With triangular plate five（13）Common edge be crest line（15）, triangular plate two（10）And triangular plate
Three（11）Common edge, triangular plate three（11）With triangular plate four（12）Common edge, triangular plate five（13）And triangle
Plate six（14）Common edge, triangular plate four（14）With triangular plate five（9）Common edge be valley line（16）, adjacent triangle
Plate is along crest line（15）It is foldable outwardly, along valley line（16）It is folded inward；The outward folding refers to adjacent triangular plate
Angle between exterior normal becomes larger, and the angle being folded inward between the exterior normal for referring to adjacent triangular plate becomes smaller；The ring
To pineapple type subelement（8）Triangular plate four free margins（19）With axially adjacent circumferential pineapple type subelement（8）'s
The free margins of triangular plate one（17）It overlaps, circumferential pineapple type subelement（8）Triangular plate five free margins（20）With along axis
To adjacent circumferential pineapple type subelement（8）Triangular plate two free margins（18）It overlaps；The energy consumption section（2）In all foldings
Hole-opening at trace, described hole a diameter of d, d are equal to plate thickness；The distance between hole is equal, and the distance is equal to 5
Times hole diameter.
2. end according to claim 1 has the buckling induction support that circumferential pineapple type induces unit, it is characterised in that：
The end restraint section（1）By regular polygon steel plate（4）, the short girder steel of T-type（5）And connecting plate（6）Composition, regular polygon steel plate
（4）It is welded on energy consumption section（2）End, two short girder steels of T-type（5）With regular polygon steel plate（4）It is welded to connect, connecting plate（6）Folder
In two short girder steels of T-type（5）Centre, connecting plate（6）With the short girder steel of T-type（5）It is connected with high-strength bolt, the steel plate（4）'s
Number of edges is more than or equal to 3.
3. end according to claim 2 has the buckling induction support that circumferential pineapple type induces unit, it is characterised in that：
The support flat segments（3）By the steel pipe that section is regular polygon（22）With regular polygon steel plate（4）Composition, regular polygon steel plate
（4）It is welded on the steel pipe of equilateral polygon section（22）End, consume energy section（2）With regular polygon steel plate（4）It is welded to connect, it is described
Steel pipe（22）The number of edges in section is more than or equal to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020861.1A CN106567593B (en) | 2016-11-15 | 2016-11-15 | A kind of end has the buckling induction support of circumferential pineapple type induction unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020861.1A CN106567593B (en) | 2016-11-15 | 2016-11-15 | A kind of end has the buckling induction support of circumferential pineapple type induction unit |
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| Publication Number | Publication Date |
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| CN106567593A CN106567593A (en) | 2017-04-19 |
| CN106567593B true CN106567593B (en) | 2018-09-14 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160032846A (en) * | 2014-09-17 | 2016-03-25 | 현대건설주식회사 | Damping system and building construction using the same |
| KR101623848B1 (en) * | 2015-11-17 | 2016-05-24 | 장극관 | Seismic retrofitting technique of framed building by external steel brace frame |
| CN105888348A (en) * | 2016-06-01 | 2016-08-24 | 东南大学 | Buckling control support with diamond type energy dissipation units at ends |
| CN106049952A (en) * | 2016-06-01 | 2016-10-26 | 东南大学 | Buckling control support with bidirectional pyramid-shaped energy dissipation units at ends |
-
2016
- 2016-11-15 CN CN201611020861.1A patent/CN106567593B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160032846A (en) * | 2014-09-17 | 2016-03-25 | 현대건설주식회사 | Damping system and building construction using the same |
| KR101623848B1 (en) * | 2015-11-17 | 2016-05-24 | 장극관 | Seismic retrofitting technique of framed building by external steel brace frame |
| CN105888348A (en) * | 2016-06-01 | 2016-08-24 | 东南大学 | Buckling control support with diamond type energy dissipation units at ends |
| CN106049952A (en) * | 2016-06-01 | 2016-10-26 | 东南大学 | Buckling control support with bidirectional pyramid-shaped energy dissipation units at ends |
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| CN106567593A (en) | 2017-04-19 |
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