CN105672493B - A kind of marmem web friction Self-resetting Column Joint - Google Patents
A kind of marmem web friction Self-resetting Column Joint Download PDFInfo
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- CN105672493B CN105672493B CN201610134684.3A CN201610134684A CN105672493B CN 105672493 B CN105672493 B CN 105672493B CN 201610134684 A CN201610134684 A CN 201610134684A CN 105672493 B CN105672493 B CN 105672493B
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- strength bolt
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2439—Adjustable connections, e.g. using elongated slots or threaded adjustment elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2445—Load-supporting elements with reinforcement at the connection point other than the connector
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2448—Connections between open section profiles
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The present invention is a kind of marmem web friction Self-resetting Column Joint, the node is by column, bracket, beam, SMA Tendons unit, tensioning nut, fixing nut, arcuate socket high-strength bolt and center high-strength bolt composition, the nearly beam side welding bracket of column, bracket is using double web forms, and it is connect using high-strength bolt with beam web, the double webs of bracket at arcuate socket high-strength bolt open arcuate socket, the web of beam carries out friction treatment with the double web contact surfaces of bracket, friction parameter is adjusted by high-strength bolt prestressing force, the upper and lower part of beam is connect respectively with SMA Tendons unit with column, adjust the original state of tensioning nut and fixing nut control marmem rope.The marmem web friction Self-resetting Column Joint of the present invention, has many advantages, such as clear and definite simple structure, highly practical, stress, highly energy-consuming, Self-resetting.
Description
Technical field
The invention belongs to construction engineering technical fields, are related to a kind of Self-resetting steel frame of marmem web friction
Node, suitable for the steel-frame structure having higher requirements to antidetonation Self-resetting performance.
Background technology
Steel construction has many advantages, such as that high-strength light, anti-seismic performance are good, the construction period is short, is widely used in all kinds of building knots
It is one of structure type being most widely used at present in structure.China is the multiple country of earthquake, for the anti-of building structure
Shock stability is more demanding, and especially high-rise and high-rise building anti-seismic problem is more prominent.With building structure aseismatic theory
With going deep into for technical research, the structure for not occurring to destroy in earthquake or only occurring to repair rapidly destruction how is designed,
It is increasingly becoming one of important directions of current earthquake resistant engineering.
This structural system of restoring mainly includes replaceable structural elements, swinging structure and runback bit architecture etc..Node
As the important component in frame structure, the ability of Self-resetting has the self-resetting capability of structural system larger shadow
It rings.Therefore, people pay close attention to the exploitation to Self-resetting node always, it has been disclosed that some patents in such as：One kind has Self-resetting work(
Band angle steel assembly concrete framework composition node (CN204385908U), a kind of assembled with runback bit function of energy mix
Solidifying soil framework composition node (CN204385909U), a kind of Self-resetting concrete frame joint (CN203096950U) etc., are bands
There is the frame joint of runback bit function.
Marmem（Shape Memory Alloy, SMA）It is a kind of important intellectual material, there is fatigue resistance
Well, damping capacity is strong, recoverable deformation is big and steady performance.At present, more it has been applied in field of civil engineering
In damper in energy-eliminating shock-absorbing structural system.There has also been some new designs in terms of Self-resetting node, are such as remembered using shape
Recall the steel pipe column and H-shaped beam node (CN103216010B) of alloy bolt, a kind of Self-resetting steel using marmem bolt
Coupling beam (CN105113641B), the Self-resetting beam column of steel structure shock-resistant node based on marmem cup spring group
(CN105239674A) etc..In these nodes, marmem used is mainly the forms such as screw rod, bolt, but shape is remembered
Alloy bolt is recalled due to its mechanical sensitivity, and the breakage problem for avoiding its end thread part is hinder its security application one big
Problem；In addition, under current marmem making and level of processing, when cost is identical, the shape of larger-diameter stick or bar
The Properties of Shape-Memory Alloys of formula is poor compared with silk material；Meanwhile merely using shape memory alloy material come the seismic energy that dissipates, general
Excessively high requirement is proposed to shape memory alloy material, these all will largely influence marmem in Self-resetting section
Due effect is played in point.
Therefore, a kind of more stable shape memory alloy wire material of utility is developed to carry out the highly energy-consuming of node reset
Node will have very big Practical significance.
Invention content
The purpose of the present invention is the more stable shape memory alloy wire material of utility resetted, web friction energy-dissipating
A kind of Self-resetting Column Joint of design.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme：
A kind of marmem web friction Self-resetting Column Joint, the node include column, bracket and beam, the column
Side is connected with bracket, and described bracket one end sets beam, passes through high-strength bolt phase between the web of the bracket and the web of beam
Connection, is connected in the upper and lower part of the beam by SMA Tendons unit with column respectively.
Further, the bracket is double web structure forms, and the web extension of the beam is inserted into double abdomens of bracket
Between plate and pass through high-strength bolt and be connected, there are gaps between the edge of a wing of the bracket of junction and the edge of a wing of beam.
Further, the high-strength bolt includes multiple arcs hole high-strength bolt and to be set to multiple arcs hole high-strength
Arcuate socket is equipped at center high-strength bolt between bolt, the bracket pair webs and the mating connection of arcuate socket high-strength bolt,
For providing rotational travel for beam, the web of the beam is with being equipped with normal circular hole, institute at the mating connection of arcuate socket high-strength bolt
State the abdomen that bolt hole of the center high-strength bolt in bracket and the web junction of beam is normal circular hole, the double webs of the bracket and beam
The contact surface of plate section of stretching out is friction treatment structural plane, for forming frcition damper when beam rotates, provides and adjust friction
The parameter of damping.
Further, the SMA Tendons unit is made of marmem rope, connector sleeve and threaded rod,
The marmem rope is twisted by the parallel merging of shape memory alloy wire material or winding, and the marmem rope passes through
Connector sleeve is connected with threaded rod.
Further, the marmem rope is anchored in column and beam-ends respectively by the threaded rod at both ends.
Further, the column is connected by a column ribbed stiffener with threaded rod, and the beam passes through a beam ribbed stiffener and spiral shell
Rasp bar is connected, and is equipped with tensioning nut and fixing nut in the junction of the column ribbed stiffener and threaded rod, puts more energy into the beam
The junction of rib and threaded rod is equipped with tensioning nut and fixing nut, and tensioning nut and fixing nut are adjusted to control for passing through
The original state of marmem rope.
Further, the column ribbed stiffener is set to bracket edge of a wing corresponding position in the middle part of column, and column ribbed stiffener is by transverse direction
Ribbed stiffener and longitudinal stiffener composition, the beam ribbed stiffener are horizontally set at the end of beam.
The beneficial effects of the invention are as follows:
Present invention utilizes the marmem rope being fabricated to by shape memory alloy wire material as material is resetted, compare
Practicability is had more in the marmem bolt using bar and screw rod；During small shake, energy dissipation capacity is provided by frictional damping,
During big shake, energy dissipation capacity is provided jointly by frictional damping and superelastic hysteretic damping, when earthquake occurs, effectively dissipated seismic energy
Amount, protects agent structure；Utilize the super-elasticity of marmem rope so that shake posterior nodal point can restPose.This
The marmem web friction Self-resetting Column Joint of invention have highly practical, stress clearly, highly energy-consuming, Self-resetting
The advantages that.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the A-A cross-sectional views of the present invention；
Fig. 3 is the B-B cross-sectional views of the present invention；
Fig. 4 is the SMA Tendons cell schematics of the present invention；
Fig. 5 is another drag-line arrangement schematic diagram of the present invention.
Figure label explanation：1. column, 2. brackets, 3. beams, 4. SMA Tendons units, 5. tensioning nuts, 6. is solid
Determine nut, 7. arcuate socket high-strength bolts, 8. center high-strength bolts, 11. column ribbed stiffeners, 31. beam ribbed stiffeners, the conjunction of 41. shape memories
Golden rope, 42. connector sleeves, 43. threaded rods.
Specific embodiment
It is below with reference to the accompanying drawings and in conjunction with the embodiments, next that the present invention will be described in detail.
Referring to figs. 1 to shown in Fig. 4, a kind of marmem web friction Self-resetting Column Joint, the node includes
Column 1, bracket 2 and beam 3,1 side of column are connected with bracket 2, are welding in the present embodiment, and described 2 one end of bracket sets beam 3,
It is connected between the web of the bracket 2 and the web of beam 3 by high-strength bolt, is led to respectively in the upper and lower part of the beam 3
SMA Tendons unit 4 is crossed with column 1 to be connected.
The bracket 2 is double web structure forms, and the web extension of the beam 3 is inserted between double webs of bracket 2
And pass through high-strength bolt and be connected, there are gaps between the edge of a wing of the bracket 2 of junction and the edge of a wing of beam 3.
The high-strength bolt includes multiple arcs hole high-strength bolt 7 and is set between multiple arcs hole high-strength bolt 7
Center high-strength bolt 8, be equipped with arcuate socket at the mating connection of described 2 pairs of webs of bracket and arcuate socket high-strength bolt 7, for for
Beam 3 provides rotational travel, and the web of the beam 3 is with being equipped with normal circular hole at the mating connection of arcuate socket high-strength bolt 7, in described
Bolt hole of the heart high-strength bolt 8 in bracket 2 and the web junction of beam 3 is normal circular hole, described 2 pairs of webs of bracket and beam 3
The contact surface of web section of stretching out is friction treatment structural plane, for forming frcition damper when beam 3 rotates, provides and adjusting rubs
Wipe the parameter of damping.
The SMA Tendons unit 4 is made of marmem rope 41, connector sleeve 42 and threaded rod 43, institute
It states marmem rope 41 to be twisted by the parallel merging of shape memory alloy wire material or winding, material is closed for NiTi shape memories
Gold, the marmem rope 41 are connected by connector sleeve 42 with threaded rod 43.
The marmem rope 41 is anchored in 3 end of column 1 and beam respectively by the threaded rod 43 at both ends.
The column 1 is connected by a column ribbed stiffener 11 with threaded rod 43, and the beam 3 passes through a beam ribbed stiffener 31 and screw thread
Bar 43 is connected, and tensioning nut 5 and fixing nut 6 is equipped in the junction of the column ribbed stiffener 11 and threaded rod 43, described
Beam ribbed stiffener 31 and the junction of threaded rod 43 are equipped with tensioning nut 5 and fixing nut 6, and 5 He of tensioning nut is adjusted for passing through
Fixing nut 6 is to control the original state of marmem rope 41.
In the present embodiment, column 1 is welded to connect between I-shaped cross-section or box-type section, with bracket 2,2 end of bracket
Can the stitching position of bracket 2 and beam 3 suitably be happened to ensure the plastic mechanisms of 3 node of beam by haunch, beam 3 is I-shaped cross-section；
The column ribbed stiffener 11 is set to 1 middle part of column and 2 edge of a wing corresponding position of bracket, and column ribbed stiffener 11 is by lateral stiffening
Rib and longitudinal stiffener composition, the beam ribbed stiffener 31 are horizontally set at the end of beam 3.
SMA Tendons unit 4 is set on the inside of the edge of a wing of bracket 2 and beam 3 in Fig. 1, and Fig. 5 is then the present invention
Another embodiment, SMA Tendons unit 4 is set on the outside of the edge of a wing of bracket 2 and beam 3.
The implementation steps of the present invention are described in detail with reference to above-mentioned technical proposal and attached drawing：
Step（1）Structure is analyzed, high-strength bolt diameter needed for calculate node and number, arc pore size, shape
The parameters such as memorial alloy rope diameter and quantity；
Step（2）In factory or construction site processes column 1 and its bracket 2, and the two is welded to connect；1 design position of column welds
Transverse stiffener and longitudinal stiffener are connect, and hole is opened up in longitudinal stiffener and nearly two side wing edge, so as to marmem
Drag-line unit 4 passes through；Double webs of bracket 2 carry out friction treatment in design position open arc shape bolt hole and circle bolt hole, inside,
And carry out location and installation by normal construction sequence；
Step（3）It is pre-machined shape memory drag-line unit 4, with reference to the way of parallel wire unit, steel strand wires or steel wire rope,
Shape memory alloy wire material is shaped into shape memory alloys rope 41；Connector sleeve 42 and threaded rod 43 are directly processed integrally, and
Connector sleeve 42 is connected respectively in 41 beam-ends of marmem rope afterwards；
Step（4）Beam 3 is pre-machined, web is stretched out toward 1 direction of column, and opens up circular bolt holes by design position, is stretched
Go out a section root and cut arc, prevent stress concentration；In 3 end design position welded grider ribbed stiffener 31 of beam, and hole is opened up, convenient for shape
Memorial alloy drag-line unit 4 passes through；
Step（5）Beam 3 is lifted to installation site, web section of stretching out is inserted between double webs of bracket 2, is inserted into high-strength
Bolt, and tighten nut；
Step（6）Threaded rod 43 at 4 both ends of SMA Tendons unit installs tensioning nut 5, and both ends are distinguished
Column ribbed stiffener 11 and beam ribbed stiffener 31 are penetrated, then fixing nut 6 is installed, adjusts tensioning nut 5 and fixing nut 6 with tensioning shape
Memorial alloy drag-line unit.
The principle of the invention
In any case, Shear force within the beam end is connected with the high-strength bolt of the web of beam 3 by the web of bracket 2 and undertaken.
During normal use, beam-ends moment of flexure is smaller as caused by vertical load, the shape in SMA Tendons unit 4
Memorial alloy rope 41 keeps austenitic state, has larger rigidity, therefore, because stiction and marmem rope 41
Collective effect, beam-ends corner is relatively small, meet normal use requirement.
When earthquake load is smaller, the moment of flexure as caused by lateral load causes total moment of flexure to become larger, and certain rotation occurs for beam-ends,
But marmem rope 41 ensure that the smaller corner of beam-ends still in austenitic state；At the same time, since beam-ends turns
It is dynamic so that the web section of stretching out of beam 3 rotates between two webs of bracket 2, generates dynamic friction damping energy dissipation, dissipation seismic energy；
At the end of earthquake, the elasticity using SMA Tendons unit 4 makes node reset.
When earthquake load is larger, larger beam-ends moment of flexure causes marmem rope 41 that martensitic traoformation, rigidity occurs
Reduce, larger rotation occurs for beam-ends, at this point, SMA Tendons 41 provide superelastic hysteretic damping energy consumption, the web of beam 3 is stretched
The rotation for going out section provides frictional damping energy consumption, and node forms plastic hinge mechanism, and dissipate seismic energy jointly；At the end of earthquake, profit
Make node reset with the super-elasticity of SMA Tendons unit 4.
In the process, web high-strength bolt connection undertakes shearing always, and double webs of bracket 2 and the web of beam 3 connect
Contacting surface provides frictional damping, and marmem rope 41 provides superelastic hysteretic damping and self-resetting capability.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (4)
- The Self-resetting Column Joint 1. a kind of marmem web rubs, the node include column (1), bracket (2) and beam (3), column (1) side is connected with bracket (2), bracket (2) one end setting beam (3), which is characterized in that the bracket (2) it is connected between web and the web of beam (3) by high-strength bolt, is passed through respectively in the upper and lower part of the beam (3) SMA Tendons unit (4) is connected with column (1), and the bracket (2) is double web structure forms, the beam (3) Web extension, which is inserted between double webs of bracket (2) and passes through high-strength bolt, to be connected, the edge of a wing of the bracket (2) of junction There are gap between the edge of a wing of beam (3), the high-strength bolt includes multiple arcs hole high-strength bolt (7) and is set to multiple Center high-strength bolt (8) between arcuate socket high-strength bolt (7), the double webs of the bracket (2) and arcuate socket high-strength bolt (7) Arcuate socket is equipped at mating connection, for for beam（3）Rotational travel, web and the arcuate socket high-strength bolt of the beam (3) are provided (7) normal circular hole is equipped at mating connection, the center high-strength bolt (8) is in the web junction of bracket (2) and beam (3) Bolt hole is normal circular hole, and the contact surface of the web section of stretching out of the double webs of the bracket (2) and beam (3) is friction treatment structure Face, in beam（3）Frcition damper is formed during rotation, provides and adjust the parameter of frictional damping, the marmem Drag-line unit (4) is made of marmem rope (41), connector sleeve (42) and threaded rod (43), the marmem rope (41) it is twisted by the parallel merging of shape memory alloy wire material or winding, the marmem rope (41) passes through connector sleeve (42) It is connected with threaded rod (43).
- The Self-resetting Column Joint 2. marmem web according to claim 1 rubs, which is characterized in that described Marmem rope (41) is anchored in column (1) respectively by the threaded rod (43) at both ends and beam (3) is held.
- The Self-resetting Column Joint 3. marmem web according to claim 2 rubs, which is characterized in that described Column (1) is connected by a column ribbed stiffener (11) with threaded rod (43), and the beam (3) passes through a beam ribbed stiffener (31) and threaded rod (43) it is connected, tensioning nut (5) and fixing nut is equipped in the junction of the column ribbed stiffener (11) and threaded rod (43) (6), tensioning nut (5) and fixing nut (6) are equipped in the junction of the beam ribbed stiffener (31) and threaded rod (43), for leading to Tensioning nut (5) and fixing nut (6) are overregulated to control the original state of marmem rope (41).
- The Self-resetting Column Joint 4. marmem web according to claim 3 rubs, which is characterized in that described Column ribbed stiffener (11) is set to column（1）Middle part and bracket（2）Edge of a wing corresponding position, column ribbed stiffener (11) by transverse stiffener and Longitudinal stiffener forms, and the beam ribbed stiffener (31) is horizontally set at beam（3）End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610134684.3A CN105672493B (en) | 2016-03-10 | 2016-03-10 | A kind of marmem web friction Self-resetting Column Joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610134684.3A CN105672493B (en) | 2016-03-10 | 2016-03-10 | A kind of marmem web friction Self-resetting Column Joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105672493A CN105672493A (en) | 2016-06-15 |
| CN105672493B true CN105672493B (en) | 2018-06-29 |
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|---|---|---|---|
| CN201610134684.3A Active CN105672493B (en) | 2016-03-10 | 2016-03-10 | A kind of marmem web friction Self-resetting Column Joint |
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| CN114809278B (en) * | 2022-03-25 | 2023-12-22 | 福建九鼎建设集团有限公司 | Rotary friction energy dissipation device with wing edges for beam column node connection |
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| CN105672493A (en) | 2016-06-15 |
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