CN106760838B - A kind of end has the buckling induction support of lengthening pineapple type induction unit - Google Patents
A kind of end has the buckling induction support of lengthening pineapple type induction unit Download PDFInfo
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- CN106760838B CN106760838B CN201611032418.6A CN201611032418A CN106760838B CN 106760838 B CN106760838 B CN 106760838B CN 201611032418 A CN201611032418 A CN 201611032418A CN 106760838 B CN106760838 B CN 106760838B
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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)
- Bridges Or Land Bridges (AREA)
- Floor Finish (AREA)
Abstract
The invention discloses a kind of ends, and there is the buckling for lengthening pineapple 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 lengthens pineapple type induction unit by least one and forms along the axis direction of support in the support flat segments both ends, the section that consumes energy；Lengthening pineapple type induction unit is to lengthen pineapple type subelement by m and be circumferentially arranged successively to form the space body that a section is regular polygon, and lengthening pineapple type subelement is by four triangular plates and the space body that is formed by folding of two pieces of trapezoidal plates in the same plane.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 field, has more particularly to a kind of end and lengthen pineapple type induction unit
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 for lengthening 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, keep its plasticity more abundant, increase the energy dissipation capacity of support.In addition, lengthening phoenix
There are 2 trapezoidal plates in pears type subelement, increase the axial rigidity and its bearing capacity of support.It is connected simultaneously with unit
Flat segments can guarantee the axial rigidity of support again, have 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 lengthening pineapple type induction unit, including confinement section and the section that consumes energy, 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 lengthen pineapple type induction unit along the axis direction group of support by least one
At the end for the lengthening pineapple type induction unit connecting with the energy consumption section is by one perpendicular to axis direction and mistake lengthening phoenix
The plane that the cross section on one vertex of pears type subelement is clipped；The lengthening pineapple type induction unit is by m lengthening pineapple type
Subelement is circumferentially arranged successively the space body to form that a section is regular polygon, and the number of edges of the regular polygon is 2m, and m is
Integer more than or equal to 3；Lengthening pineapple type subelement is by four triangular plates and two pieces of trapezoidal plate warps in the same plane
The space body for folding and being formed is crossed, adjacent plate is conllinear two-by-two, according to respectively triangular plate one counterclockwise, triangular plate two, ladder
Shape plate one, triangular plate three, triangular plate four and trapezoidal plate two, the wherein common edge and three of triangular plate one and triangular plate two
The common edge of angular plate three and triangular plate four is crest line, common edge, the trapezoidal plate one and three of triangular plate two and trapezoidal plate one
The common edge of angular plate three, the common edge of triangular plate four and trapezoidal plate two, the common edge of trapezoidal plate two and triangular plate one and
Trapezoidal plate one and trapezoidal plate two are valley line, and adjacent triangular plate is foldable outwardly along crest line, is folded inward along valley line；It is described
The angle being foldable outwardly between the exterior normal for referring to adjacent triangular plate becomes larger, and is folded inward and refers to adjacent triangular plate
Angle between exterior normal becomes smaller；The lengthening pineapple type induces unit, and on circumferential direction, adjacent two lengthen pineapple type son list
The free margins of the trapezoidal plate of member is overlapped, and in the axial direction, adjacent two lengthen the free margins of the triangular plate of pineapple type subelement
It is overlapped.
In the axial direction, the free margins of the triangular plate three for lengthening pineapple type subelement adds with axially adjacent
The free margins of the triangular plate one of long pineapple type subelement is overlapped, lengthen the free margins of the triangular plate four of pineapple type subelement with
The free margins of the triangular plate two of axially adjacent lengthening pineapple type subelement is overlapped.
Energy consumption section hole-opening at all folding lines, described hole diameter are d, and d is equal to plate thickness；Between hole
Distance be it is equal, the distance be equal to 5 times of hole diameters.
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.
The utility model has the advantages that
There is a kind of end of the present invention buckling for lengthening pineapple type induction unit to induce support, by end restraint section, energy consumption
Section and support flat segments are constituted.Using pineapple type induction unit is lengthened in support, there are more clear advantages: one, lengthening phoenix
Pears type, which induces, has a plurality of folding line in unit, can dissipate more energy.Two, unit is in deformation process not only in length side
To shortening, and the diameter of its cross section is also reducing, and so as to limit the low order buckling mode of support, makes its plasticity more
Sufficiently, increase the energy dissipation capacity of support.Three, it lengthens in pineapple type subelement there are two trapezoidal plates, increases the axial direction of support
Rigidity and its bearing capacity.Four, the induction unit passes through the pre-set folding line formed by crest line and valley line, while in folding line
Locate hole-opening, be more easier induction and be supported under geological process, generate high-order buckling mode, prevents component from whole bend occurs to early
It is bent.Five, the support flat segments combined with buckling induction section, it is ensured that support required axial rigidity.It is supported by changing
Lengthen the number of pineapple type induction unit in the length of flat segments and buckling induction section, the axial rigidity of adjustable support with
The relationship of energy dissipation capacity.The present invention avoids outside core dissipative member jacketed cylinder, in sleeve and core in manufacture craft
The processes such as grouting, simplify processing and making process, reduce project cost between dissipative member.And the present invention can be in factory
Processing 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 scene to scene
Wet construction workload, energy conservation and environmental protection.End had both had general bend with the buckling induction support for lengthening pineapple type induction unit
The advantages that flexible arrangement of song constraint support, good energy-dissipating property, and can control the buckling form of support, while can keep away
Exempt from effectively to simplify manufacturing procedure plus processes such as sleeve and grouting outside core dissipative member, there is good popularization
Benefit.
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 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 to lengthen pineapple type to induce cell schematics；
Fig. 9 is to lengthen pineapple type subelement schematic diagram；
Figure 10 is to lengthen pineapple 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 that end has the structural schematic diagram for lengthening the buckling induction support that pineapple type induces unit, 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 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 energy consumption 2 end of 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 5 of T-type are 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 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 lengthening pineapple type induction units 7 along the axis direction of support, is passed through simultaneously
One clips the end toothed segment portion of energy consumption section 2 perpendicular to the cross section of axis direction and lengthening one vertex 21 of pineapple type subelement excessively
Point, then consume energy all sides in section end in the same plane.The triangular plate three of lengthening pineapple type subelement 8 in the section 2 that consumes energy
Free margins 19 is overlapped with the free margins 17 of the triangular plate one of axially adjacent lengthening pineapple type subelement 8 and forms a crest line
15, lengthen the free margins 20 and the three of axially adjacent lengthening pineapple type subelement 8 of the triangular plate four of pineapple type subelement 8
The free margins 18 of angular plate two is overlapped and forms a crest line 15.As shown in figure 8, it is identical by six to lengthen pineapple type induction unit 7
Lengthening pineapple type subelement 8 be circumferentially arranged successively to form a section and be positive dodecagonal space body.As shown in figure 8,
Lengthen pineapple type subelement 8 by the same plane four pieces of triangular plates and two pieces of trapezoidal plates by folding the space body formed
Composition.As shown in figure 9, six blocks of plates are conllinear two-by-two, according to respectively triangular plate 1, triangular plate 2 10, trapezoidal plate counterclockwise
One 11, triangular plate 3 12, triangular plate 4 13 and trapezoidal plate 2 14, wherein public affairs of triangular plate 1 and triangular plate 2 10
The common edge of side and triangular plate 3 12 and triangular plate 4 13 is crest line 15, the public affairs of triangular plate 2 10 and trapezoidal plate 1 altogether
Altogether side, the common edge of trapezoidal plate 1 and triangular plate 3 12, triangular plate 4 13 and trapezoidal plate 2 14 common edge, trapezoidal plate
2 14 and triangular plate 1 common edge and trapezoidal plate 1 and trapezoidal plate 2 14 common edge be valley line 16, adjacent triangle
Shape plate is foldable outwardly along crest line 15, is folded inward along valley line 16, and described be foldable outwardly refers to the outer of adjacent triangular plate
Angle between normal becomes larger, and 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 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 and quadrangular steel sheets 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 of plate, hole
The distance between be five times of plate thickness.
Claims (4)
1. there is the buckling for lengthening pineapple 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) lengthen pineapple type by least one and induce unit (7) edge
The axis direction composition of support, the end for lengthening pineapple type induction unit (7) connect with energy consumption section (2) is by one
Perpendicular to axis direction and cross the plane clipped the cross section on one vertex (21) of lengthening pineapple type subelement；The lengthening pineapple type
Induction unit (7) is to lengthen pineapple type subelement (8) by m to be circumferentially arranged successively the sky for forming a section as regular polygon
Mesosome, the number of edges of the regular polygon are 2m, and m is the integer more than or equal to 3；Lengthening pineapple type subelement (8) is by same
Four triangular plates and two pieces of trapezoidal plates in plane are by folding the space body formed, and adjacent plate is conllinear two-by-two, according to inverse
Hour hands are respectively triangular plate one (9), triangular plate two (10), trapezoidal plate one (11), triangular plate three (12), triangular plate four
(13) and trapezoidal plate two (14), the wherein common edge and triangular plate three (12) of triangular plate one (9) and triangular plate two (10)
It is crest line (15) with the common edge of triangular plate four (13), it is the common edge of triangular plate two (10) and trapezoidal plate one (11), trapezoidal
The common edge of plate one (11) and triangular plate three (12), the common edge of triangular plate four (13) and trapezoidal plate two (14), trapezoidal plate
The common edge and trapezoidal plate one (11) of two (14) and triangular plate one (9) and the common edge of trapezoidal plate two (14) are valley line (16),
Adjacent triangular plate is foldable outwardly along crest line (15), is folded inward along valley line (16)；The outward folding refers to adjacent
Triangular plate exterior normal between angle become larger, the angle between the exterior normal for referring to adjacent triangular plate is folded inward
Become smaller；The lengthening pineapple type induces unit (7), and on circumferential direction, adjacent two lengthen the trapezoidal plate of pineapple type subelement (8)
Free margins be overlapped, in the axial direction, it is adjacent two lengthen pineapple type subelement (8) triangular plate free margins be overlapped；?
On axis direction, the free margins (19) of the triangular plate three for lengthening pineapple type subelement (8) and axially adjacent lengthening
The free margins (17) of the triangular plate one of pineapple type subelement (8) is overlapped, and lengthens the triangular plate four of pineapple type subelement (8)
Free margins (20) is overlapped with the free margins (18) of the triangular plate two of axially adjacent lengthening pineapple type subelement (8).
2. there is the buckling for lengthening pineapple type induction unit to induce support for end according to claim 1, it is characterised in that:
Energy consumption section (2) hole-opening at all folding lines, described hole diameter are d, and d is equal to plate thickness at folding line；Between hole
Distance be it is equal, the distance be equal to 5 times of hole diameters.
3. there is the buckling for lengthening pineapple type induction unit to induce support for end according to claim 2, 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.
4. there is the buckling for lengthening pineapple type induction unit to induce support for end according to claim 3, it is characterised in that:
Support flat segments (3) is made of the steel pipe (22) 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 (22) 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 (22) section is more than or equal to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611032418.6A CN106760838B (en) | 2016-11-15 | 2016-11-15 | A kind of end has the buckling induction support of lengthening pineapple type induction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611032418.6A CN106760838B (en) | 2016-11-15 | 2016-11-15 | A kind of end has the buckling induction support of lengthening pineapple type induction unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106760838A CN106760838A (en) | 2017-05-31 |
| CN106760838B true CN106760838B (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611032418.6A Active CN106760838B (en) | 2016-11-15 | 2016-11-15 | A kind of end has the buckling induction support of lengthening pineapple type induction unit |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW570083U (en) * | 2002-12-18 | 2004-01-01 | Keh-Chyuan Tsai | Detachable buckling-confining ductile skewed sprag |
| US20100319274A1 (en) * | 2004-02-02 | 2010-12-23 | Chong-Shien Tsai | Shock-absorbing tie brace |
| US7461481B2 (en) * | 2004-05-07 | 2008-12-09 | Chong-Shien Tsai | Shock-absorbing tie brace |
| KR101460345B1 (en) * | 2012-12-05 | 2014-11-14 | 조선대학교산학협력단 | Brace friction damper |
| CN105926795B (en) * | 2016-06-01 | 2018-03-16 | 东南大学 | A kind of sleeve pipe constraining anti-buckling support with symmetrical initial imperfection |
| CN105839973B (en) * | 2016-06-01 | 2018-07-27 | 东南大学 | A kind of end has the buckling control support of staggeredly pyramid energy consumption unit |
| CN105888348B (en) * | 2016-06-01 | 2018-07-27 | 东南大学 | A kind of end has the buckling control support of brilliant energy consumption unit |
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2016
- 2016-11-15 CN CN201611032418.6A patent/CN106760838B/en active Active
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