CN106639467B - It is a kind of to induce support with the elongated casing buckling for spending the double-deck inner concave shape induction unit - Google Patents
It is a kind of to induce support with the elongated casing buckling for spending the double-deck inner concave shape induction unit Download PDFInfo
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- CN106639467B CN106639467B CN201611029875.XA CN201611029875A CN106639467B CN 106639467 B CN106639467 B CN 106639467B CN 201611029875 A CN201611029875 A CN 201611029875A CN 106639467 B CN106639467 B CN 106639467B
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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
Support is induced with the elongated casing buckling for spending the double-deck inner concave shape induction unit the invention discloses a kind of, it is made of end restraint section, buckling induction section, inner sleeve and outer tube, buckling induces section to be made of the double-deck inner concave shape induction unit of at least one elongated degree along the axis direction of support, and the end face positioned at the elongated degree bilayer inner concave shape induction unit of buckling induction section two sides is plane；It is single it is elongated spend the double-deck inner concave shape induction unit and be circumferentially arranged successively by the m identical circumferential double-deck inner concave shape subelements form the space body that a section is the side 2m shape, circumferential bilayer inner concave shape subelement be by the same plane six triangular plates and six trapezoidal plates by folding the space body formed.Casing 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 section enters yielding stage, and good hysteretic energy performance can play the effect of damper again.
Description
Technical field
The invention belongs to building structure technology fields, more particularly to one kind there is the double-deck inner concave shape of elongated degree to induce unit
Casing buckling induce 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
The problem of energy difference, is arranged casing outside support, constrains the compressive buckling of support, constitutes buckling-restrained.Buckling restrained brace is only
Core plate is connect with other components, and suffered load is all undertaken by core plate, and outer sleeve and packing material only constrain core plate by lateral deflection
Song makes core plate can enter surrender in tension and by pressure, thus, the Hysteresis Behavior of buckling restrained brace is excellent.It is buckling-restrained
Support on the one hand can be to avoid the defect of common support tension and compression bearing capacity significant difference, on the other hand with the consumption of metal damper
Energy ability, can serve as " fuse ", so that main structure is substantially in elastic range in the structure.Therefore, buckling-restrained
The application of support can improve anti-seismic performance of traditional braced frame under middle shake and big shake comprehensively.
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 consume energy in above-mentioned support unit thickness, construction of plate etc. at the folding line are consistent at non-folding line, no
Conducive to the generation plastic hinge at folding line.In addition, these supports are made of end restraint section, buckling section and casing, casing is in buckling
The outside of section, and do not supported on the inside of buckling section, it is easy to produce low order unstability inwardly, to weaken the energy consumption energy of support
Power.
Summary of the invention
Goal of the invention: since existing buckling restrained brace is under course under cyclic loading, it is connected with buckling restrained brace
Component or joints are larger；And under geological process, existing buckling restrained brace yield deformation position has randomness, in order to
Overcome the problems, such as of the existing technology, the present invention will introduce the double-deck inner concave shape of elongated degree and induce unit to traditional common support
On, it forms a kind of induce with the elongated casing buckling for spending the double-deck inner concave shape induction unit and support, is selected about in engineering structure
Preferential selection when the anti-buckling support of beam.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
It is a kind of to induce support with the elongated casing buckling for spending the double-deck inner concave shape induction unit, by end restraint section, buckling
Section, inner sleeve and outer tube composition are induced, the end restraint section is located at the both ends of buckling induction section, the buckling induction
Section is clipped between inner sleeve and outer tube, and the inner sleeve is connect with an end restraint section respectively with outer tube, and feature exists
In: buckling induces section to be made of the double-deck inner concave shape induction unit of at least one elongated degree along the axis direction of support, is located at institute
State buckling induction section two sides elongated degree bilayer inner concave shape induction unit end face be by one perpendicular to axis direction and cross push up
The plane that the cross section of point is clipped；The double-deck inner concave shape induction unit of single elongated degree is by the m identical circumferential double-deck indents
Type subelement is circumferentially arranged successively the space body to form that a section is the side 2m shape, and m is the integer more than or equal to 2；It is circumferential double
Layer inner concave shape subelement be by the same plane six triangular plates and six trapezoidal plates by folding the space body formed,
Six triangular plates are conllinear two-by-two and intersect at a vertex, and six pieces of trapezoidal plates are centered around the outside of six pieces of triangular plates, and internal layer is pressed
According to respectively triangular plate one, triangular plate two, triangular plate three, triangular plate four, triangular plate five and triangle counterclockwise
Plate six, wherein the common edge of triangular plate two and triangular plate three, triangular plate three and triangular plate four common edge, triangle
The common edge of the common edge of plate five and triangular plate six, triangular plate four and triangular plate five is crest line, triangular plate one and three
The common edge and triangular plate four of angular plate two and the common edge of triangular plate five are valley line, and outer layer is according to respectively terraced counterclockwise
Shape plate one, trapezoidal plate two, trapezoidal plate three, trapezoidal plate four, trapezoidal plate five and trapezoidal plate six, wherein trapezoidal plate one and trapezoidal plate two
Common edge and the common edge of trapezoidal plate four and trapezoidal plate five are crest line, common edge, the trapezoidal plate three of trapezoidal plate two and trapezoidal plate three
Common edge with the common edge of trapezoidal plate four, the common edge of trapezoidal plate five and trapezoidal plate six, trapezoidal plate six and trapezoidal plate one is paddy
Line；Wherein all common edges between internal layer and outer layer are all valley lines；Adjacent plate is foldable outwardly along crest line, along valley line
It is folded inward；Described be foldable outwardly refers to that the angle between the exterior normal of adjacent plate becomes larger, be folded inward refer to it is adjacent
Angle between the exterior normal of plate becomes smaller；The elongated free edge lengths for spending the trapezoidal plate three in the double-deck inner concave shape subelement
It is unequal with the sum of two crest line length of elongated two valley lines for spending the double-deck inner concave shape subelement internal layer and outer layer；Elongated degree is double
The free edge lengths of trapezoidal plate three in layer inner concave shape subelement and the free margins equal length of trapezoidal plate five；The buckling lures
Lead the free margins and axially adjacent double-deck inner concave shape of circumferential direction of the trapezoidal plate four of the double-deck inner concave shape subelement of circumferential direction in section
The free margins of the trapezoidal plate one of unit is overlapped, the free margins of the trapezoidal plate five of circumferential bilayer inner concave shape subelement with it is axially adjacent
The free margins of trapezoidal plate two of the double-deck inner concave shape subelement of circumferential direction be overlapped.
The end restraint section is made of the connecting plate that the components such as square plate, the short girder steel of T-type and beam column are reserved, rectangular
Steel plate is welded on buckling induction section end, and two short girder steels of T-type and square plate are welded to connect, and it is short that connecting plate is clipped in two T-types
Among girder steel, connecting plate is connect with the short girder steel of T-type with high-strength bolt.
The left end of the inner sleeve and the square plate of left end confinement section are welded to connect, the right end of inner sleeve and right side
The square plate of end restraint section has a distance, 1/40 of the distance not less than buckling induction segment length；The housing
The right end of pipe and the square plate of right-hand end confinement section are welded to connect, and the left end of outer tube is rectangular with left end confinement section
Steel plate has a distance, 1/40 of the distance not less than buckling induction segment length.The buckling induction section and inner sleeve
And the gap between outer tube is no more than 5mm；The inner sleeve and outer tube are all made of the hollow steel pipe of circular cross-section.
Plate thickness in the buckling induction section at all folding lines is the half of plate plate thickness, and the folding line being made of crest line is thick
Degree variation is in inner surface side, and the folding line being made of valley line, thickness change is in outer surface side.
The utility model has the advantages that
The present invention is a kind of to induce support with the elongated casing buckling for spending the double-deck inner concave shape induction unit, by end restraint
Section, buckling induction section, inner sleeve and outer tube are constituted.It is lured using with the elongated casing buckling for spending the double-deck inner concave shape induction unit
Support is led, the Liang Tiaofeng of two valley lines and outer layer of angle, change internal layer between change internal layer and outer layer can be not only passed through
The sum of length of line makes support that local buckling energy consumption occur first.On the other hand, the double-deck inner concave shape of elongated degree in buckling induction section
Induce unit that there is more folding line, and folding line is divided into two-stage, can dissipate more energy.In addition, in elongated degree bilayer
The free edge lengths of trapezoidal plate three in concave subelement and elongated two valley lines for spending the double-deck inner concave shape subelement internal layer and outer
The sum of the two crest line length of layer is unequal, makes to be supported in loading process and is more easier to generate axial deformation, to prevent from propping up
Complete buckling occurs to early in support.Simultaneously plate thickness is reduced to original half at folding line, is more easier induction and is supported on earthquake
Under effect, high-order buckling mode is generated, the energy dissipation capacity of support is promoted.Buckling induction section in outside be respectively set inner sleeve and
Outer tube makes the yield line at folding line expand as plastic zone, has better energy dissipation capacity than common support.And inner-outer sleeve
Pipe can also induce folding line in section to provide lateral support to buckling, effectively improve the axial carrying capacity of support.Energy of the present invention
Enough in factory process, only needs to be connect with the built-in fitting of the components such as bolt and beam column to scene, not only ensure that component quality, but also subtract
The wet construction workload at small scene, energy conservation and environmental protection.Branch is induced with the elongated casing buckling for spending the double-deck inner concave shape induction unit
Support had both had many advantages, such as the flexible arrangement of the anti-buckling support of general restriction, and can more effectively dissipate seismic energy, and can solve
The problems such as component or larger joints for being connected with buckling restrained brace, has good Popularizing of A.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the sectional view (main view) of structure of the invention；
Fig. 3 is end restraint section schematic diagram；
Fig. 4 is that buckling induces section schematic diagram；
Fig. 5 is inner sleeve schematic diagram；
Fig. 6 is outer tube schematic diagram；
Fig. 7 is A-A profile in Fig. 2；
Fig. 8 is square plate schematic diagram；
Fig. 9 is the short girder steel schematic diagram of T-type；
Figure 10 is connecting plate schematic diagram；
Figure 11 is that the double-deck inner concave shape of elongated degree induces cell schematics；
Figure 12 is the circumferential double-deck inner concave shape subelement schematic diagram；
Figure 13 is that the circumferential double-deck inner concave shape subelement folds frontal plane schematic diagram；
Figure 14 is crest line plate thickness schematic diagram at folding line；
Figure 15 is valley line plate thickness schematic diagram at folding line.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
As shown in Figure 1, 2, it is made of end restraint section 1, buckling induction section 2, inner sleeve 3 and outer tube 4.End restraint section
1 is fixed on the both ends of buckling induction section 2.The left end of inner sleeve and the square plate 5 of left end confinement section 1 are welded to connect, interior
The right end of casing and the square plate of right-hand end confinement section have a distance, 1/ of distance not less than buckling induction segment length
40；The right end of outer tube and the square plate 5 of right-hand end confinement section 1 are welded to connect, and the left end of outer tube and left end are about
The square plate of beam section has a distance, 1/40 of distance nor less than buckling induction segment length.As shown in Fig. 5~7, buckling is lured
Section 2 to be led to be clipped between inner sleeve 3 and outer tube 4, buckling induces the gap between section and inner sleeve and outer tube to be no more than 5mm,
Inner sleeve 3 and outer tube 4 are all made of the hollow steel pipe of circular cross-section.
As shown in figure 3, the connecting plate 7 that end restraint section 1 is reserved by components such as square plate 5, the short girder steel 6 of T-type and beam columns
Composition, square plate 5 are welded on buckling induction 2 end of section, and the short girder steel 6 of two T-types is welded to connect with square plate 5, square bar
Plate 5 and the short girder steel 6 of T-type are respectively as shown in Fig. 8,9.Connecting plate 7 is clipped among the short girder steel 6 of two T-types, connecting plate 7 and the short steel of T-type
Beam 6 is connected with high-strength bolt, and wherein connecting plate 7 is as shown in Figure 10.
According to Fig.4, buckling induction section 2 is by 42 elongated bilayer inner concave shape induction units 8 of spending along the axis of support
Direction composition clips the end toothed segment of buckling induction section 2 by one perpendicular to the cross section of axis direction and a vertex 30 excessively
Part, then buckling induces all sides in section end in the same plane.Buckling induces the double-deck inner concave shape subelement 9 of the circumferential direction in section 2
Trapezoidal plate four free margins 26 and the double-deck inner concave shape subelement 9 of axially adjacent circumferential direction trapezoidal plate one 24 weight of free margins
Merge and form a crest line, the free margins 27 and axially adjacent circumferential direction of the trapezoidal plate five of circumferential bilayer inner concave shape subelement 9 are double
The free margins 25 of the trapezoidal plate two of layer inner concave shape subelement 9 is overlapped and forms a crest line.In Figure 11, in single elongated degree bilayer
Concave induces unit 8 to be circumferentially arranged successively by six identical circumferential double-deck inner concave shape subelements 9 and forms a section and be positive
Dodecagonal space body.According to Figure 12, Figure 13, circumferential bilayer inner concave shape subelement 9 is by six in the same plane
By folding the space body formed composition, six triangular plates are conllinear two-by-two and intersect at a top for triangular plate and six trapezoidal plates
Point, six pieces of trapezoidal plates are centered around the outside of six pieces of triangular plates, and internal layer is according to respectively triangular plate 1, triangle counterclockwise
Plate 2 11, triangular plate 3 12, triangular plate 4 13, triangular plate 5 14 and triangular plate 6 15, wherein triangular plate 2 11
With the common edge of triangular plate 3 12, the common edge of triangular plate 3 12 and triangular plate 4 13, triangular plate 5 14 and triangle
The common edge of the common edge of shape plate 6 15, triangular plate 4 13 and triangular plate 5 14 is crest line 22, triangular plate 1 and three
The common edge and triangular plate 4 13 of angular plate 2 11 and the common edge of triangular plate 5 14 are valley line 23, and outer layer is according to counterclockwise
Respectively trapezoidal plate 1, trapezoidal plate 2 17, trapezoidal plate 3 18, trapezoidal plate 4 19, trapezoidal plate 5 20 and trapezoidal plate 6 21, wherein
The common edge and trapezoidal plate 4 19 of trapezoidal plate 1 and trapezoidal plate 2 17 and the common edge of trapezoidal plate 5 20 are crest line 22, trapezoidal plate
2 17 and the common edge of trapezoidal plate 3 18, the common edge of trapezoidal plate 3 18 and trapezoidal plate 4 19, trapezoidal plate 5 20 and trapezoidal plate six
The common edge of 21 common edge, trapezoidal plate 6 21 and trapezoidal plate 1 is valley line 23；Wherein all public affairs between internal layer and outer layer
Side is all valley line 23 altogether；Adjacent plate is foldable outwardly along crest line 22, is folded inward along valley line 23；The outward folding is
Refer to that the angle between the exterior normal of adjacent plate becomes larger, the angle being folded inward between the exterior normal for referring to adjacent plate becomes
It is small.28 length of free margins of trapezoidal plate three in the elongated degree bilayer inner concave shape subelement 9 and the double-deck inner concave shape of elongated degree
The sum of two valley lines 23 of 9 internal layer of subelement and two 22 length of crest line of outer layer are unequal；Double-deck inner concave shape of elongated degree is single
28 length of free margins of trapezoidal plate three in member 9 and 29 equal length of free margins of trapezoidal plate five.
Plate thickness (d/2) in buckling induction section 2 at all folding lines is the half of plate plate thickness d, the folding line being made of crest line,
Thickness change is in inner surface side, and the folding line being made of valley line, thickness change is in outer surface side.Crest line valley line office at folding line
Portion amplifies as shown in Figure 14, Figure 15, and letter A indicates that side is outer surface side in figure, and letter b indicates that side is inner surface one
Side.
Claims (3)
1. a kind of induce support with the elongated casing buckling for spending the double-deck inner concave shape induction unit, by end restraint section (1), buckling
Section (2), inner sleeve (3) and outer tube (4) composition, the end restraint section (1) is induced to be located at the two of buckling induction section (2)
End, buckling induction section (2) are clipped between inner sleeve (3) and outer tube (4), the inner sleeve and outer tube respectively with one
End restraint section connection, it is characterised in that: buckling induces section (2) by double-deck inner concave shape induction unit (8) of at least one elongated degree
It is formed along the axis direction of support, the elongated degree bilayer inner concave shape for being located at buckling induction section (2) two sides induces unit (8)
End face be perpendicular to axis direction and to cross the plane clipped of cross section of vertex (30) by one；The single elongated degree is double-deck
Inner concave shape induces unit (8) to be circumferentially arranged successively by the m identical circumferential double-deck inner concave shape subelements (9) and forms a section
For the space body of the side 2m shape, m is the integer more than or equal to 2；Circumferential bilayer inner concave shape subelement (9) is by the same plane
By folding the space body formed, six triangular plates are conllinear two-by-two and intersect at a top for six triangular plates and six trapezoidal plates
Point, six pieces of trapezoidal plates are centered around the outside of six pieces of triangular plates, and internal layer is according to respectively triangular plate one (10), triangle counterclockwise
Shape plate two (11), triangular plate three (12), triangular plate four (13), triangular plate five (14) and triangular plate six (15), wherein
The common edge of triangular plate two (11) and triangular plate three (12), triangular plate three (12) and triangular plate four (13) it is public
Side, the common edge of triangular plate five (14) and triangular plate six (15), the public affairs of triangular plate four (13) and triangular plate five (14)
Side is crest line (22), common edge and triangular plate four (13) and the triangle of triangular plate one (10) and triangular plate two (11) altogether
The common edge of plate five (14) is valley line (23), outer layer according to be counterclockwise respectively trapezoidal plate one (16), it is trapezoidal plate two (17), trapezoidal
Plate three (18), trapezoidal plate four (19), trapezoidal plate five (20) and trapezoidal plate six (21), wherein trapezoidal plate one (16) and trapezoidal plate two
(17) common edge of common edge and trapezoidal plate four (19) and trapezoidal plate five (20) is crest line (22), trapezoidal plate two (17) and trapezoidal
The common edge of plate three (18), the common edge of trapezoidal plate three (18) and trapezoidal plate four (19), trapezoidal plate five (20) and trapezoidal plate six
(21) common edge of common edge, trapezoidal plate six (21) and trapezoidal plate one (16) is valley line (23)；Wherein between internal layer and outer layer
All common edges be all valley line (23)；Adjacent plate is foldable outwardly along crest line (22), is folded inward along valley line (23)；
The angle being foldable outwardly between the exterior normal for referring to adjacent plate becomes larger, and the outer method for referring to adjacent plate is folded inward
Angle between line becomes smaller；Free margins (28) length of trapezoidal plate three in the elongated degree bilayer inner concave shape subelement (9)
With the sum of elongated two valley lines (23) for spending double-deck inner concave shape subelement (9) internal layer and two crest line (22) length of outer layer not phase
Deng；The free margins of elongated free margins (28) length and trapezoidal plate five for spending the trapezoidal plate three in the double-deck inner concave shape subelement (9)
(29) equal length；The free margins of the trapezoidal plate four of the double-deck inner concave shape subelement (9) of circumferential direction in buckling induction section (2)
(26) it is overlapped with the free margins (24) of the trapezoidal plate one of the double-deck inner concave shape subelement (9) of axially adjacent circumferential direction, it is circumferential double-deck
The free margins (27) of the trapezoidal plate five of inner concave shape subelement (9) and the double-deck inner concave shape subelement (9) of axially adjacent circumferential direction
The free margins (25) of trapezoidal plate two is overlapped；The left end of the inner sleeve (3) and the square plate (5) of left end confinement section (1)
It is welded to connect, the right end of inner sleeve (3) and the square plate (5) of right-hand end confinement section have one section to induce section not less than buckling
(2) 1/40 distance of length；The right end of the outer tube (4) and the square plate (5) of right-hand end confinement section (1) weld and connect
It connects, the left end of outer tube (4) and the square plate (5) of left end confinement section have one section to induce the 1/ of segment length not less than buckling
40 distance；Gap between buckling induction section (2) and inner sleeve (3) and outer tube (4) is no more than 5mm；The inner sleeve
Pipe (3) and outer tube (4) are all made of the hollow steel pipe of circular cross-section.
2. according to claim 1 induce support with the elongated casing buckling for spending the double-deck inner concave shape induction unit, special
Sign is: the connecting plate that the end restraint section (1) is reserved by components such as square plate (5), the short girder steel of T-type (6) and beam columns
(7) it forms, square plate (5) is welded on buckling induction section (2) end, and two short girder steels of T-type (6) and square plate (5) are welded
Connection, connecting plate (7) are clipped among two short girder steels of T-type (6), and connecting plate (7) is connect with the short girder steel of T-type (6) with high-strength bolt.
3. according to claim 1 induce support with the elongated casing buckling for spending the double-deck inner concave shape induction unit, special
Sign is: the plate thickness in buckling induction section (2) at all folding lines is the half of plate plate thickness, the folding line being made of crest line,
Thickness change is in inner surface side, and the folding line being made of valley line, thickness change is in outer surface side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029875.XA CN106639467B (en) | 2016-11-15 | 2016-11-15 | It is a kind of to induce support with the elongated casing buckling for spending the double-deck inner concave shape induction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029875.XA CN106639467B (en) | 2016-11-15 | 2016-11-15 | It is a kind of to induce support with the elongated casing buckling for spending the double-deck inner concave shape induction unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106639467A CN106639467A (en) | 2017-05-10 |
| CN106639467B true CN106639467B (en) | 2019-04-12 |
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| CN201611029875.XA Active CN106639467B (en) | 2016-11-15 | 2016-11-15 | It is a kind of to induce support with the elongated casing buckling for spending the double-deck inner concave shape induction unit |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544763A (en) * | 2016-01-15 | 2016-05-04 | 东南大学 | Internal and external double-sleeve restraining folded steel plate energy-consuming support |
| 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 (3)
| 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 |
| US7461481B2 (en) * | 2004-05-07 | 2008-12-09 | Chong-Shien Tsai | Shock-absorbing tie brace |
| TW200840917A (en) * | 2007-04-13 | 2008-10-16 | chong-xing Cai | Fully separable buckling restrained brace |
-
2016
- 2016-11-15 CN CN201611029875.XA patent/CN106639467B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544763A (en) * | 2016-01-15 | 2016-05-04 | 东南大学 | Internal and external double-sleeve restraining folded steel plate energy-consuming support |
| 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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| CN106639467A (en) | 2017-05-10 |
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