CN106065566A - A kind of energy-dissipating and shock-absorbing pier stud - Google Patents
A kind of energy-dissipating and shock-absorbing pier stud Download PDFInfo
- Publication number
- CN106065566A CN106065566A CN201610591138.2A CN201610591138A CN106065566A CN 106065566 A CN106065566 A CN 106065566A CN 201610591138 A CN201610591138 A CN 201610591138A CN 106065566 A CN106065566 A CN 106065566A
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- Prior art keywords
- energy
- dissipating
- coupling beam
- shock
- pier stud
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- 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
- E04H9/024—Structures with steel columns and beams
-
- 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
- E04H9/025—Structures with concrete columns
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Abstract
The invention discloses a kind of energy-dissipating and shock-absorbing pier stud, the post limb being made up of steel pipe arranged including some parallel bunchys, every described post limb is all correspondingly arranged on some edges of a wing through-type tubular joint, described edge of a wing through-type tubular joint is provided with bracket beam；It is provided with energy dissipating coupling beam between post limb, is connected fixing to described bracket beam and described energy dissipating coupling beam by bolt.Energy-dissipating and shock-absorbing pier stud of the present invention, by arranging energy dissipation component between post limb, consumes inputting seismic energy, thus increases structural damping, reduces seismic structural response, can be with the safety of guard column limb structure.This structure is assembled by steel core concrete column limb and shearing-type energy dissipating coupling beam, uses high-strength bolt splicing, has convenience of constructing efficiently.Further, energy dissipating coupling beam can realize quick-replaceable, it is achieved quick repair ability after the shake of energy-dissipating and shock-absorbing pier stud.
Description
Technical field
The invention belongs to engineering structure energy-dissipating and shock-absorbing technical field, relate to a kind of novel energy-dissipating and shock-absorbing pier stud, this knot
Structure can apply to bridge structure pier stud, it is also possible to is applied in building structure, such as frame structure, frame-brace structure and
Frame-Shear wall.
Background technology
Traditional structure is typically only capable to by the raising intensity of structure, rigidity and ductility to meet its anti-seismic performance requirement, this
The method of kind not only has a strong impact on the economy of structure, it is also difficult to significantly improve its anti-seismic performance.
As it is shown in figure 1, traditional concrete hollow thin-walled column, its bearing capacity characteristics is as in figure 2 it is shown, its initial elasticity Duan Gang
Degree is relatively big, but after capital angle of displacement 1/150, after especially angle of displacement is more than 1/100, due to concrete cracking, hysteresis is bent
It is extremely serious that line pinches phenomenon, and Structural Energy Dissipation ability is poor, and equivalent viscous only has about 0.1.Further, capital displacement
Behind angle 1/80, the bearing capacity of pier stud is gradually lowered, and shows significant strength deterioration phenomenon.
Summary of the invention
Experimental and theoretical study shows, if the design of web the ratio of width to height and connection and reasonable arrangement of putting more energy into, shearing-type energy dissipating coupling beam has
Good intensity, rigidity and stable energy dissipation capacity and bigger deformability.And it is preferable that mild steel or height are built the ductility such as steel
Steel be applied to this coupling beam after, the energy dissipation capacity of coupling beam and deformability will be obviously improved, and can subtract as energy dissipating
Shake component uses.
Research and engineering practice in the past shows, steel-concrete combined structure has both the advantage of steel construction and xoncrete structure,
There is good mechanical property and workability.Bearing capacity of concrete-filled steel tube height, plasticity and good toughness and easy construction, have good
Good pressure (drawing)-curved-turn round-cut composite force performance, its Hysteresis Behavior and anti-seismic performance are the most outstanding, are a kind of the most perpendicular
To supporting member.Additionally, concrete filled steel tube has both the installation of steel construction and is connected advantage, with the connection ten of other steel structure members
It is convenient to divide, and high-strength bolt can be used to connect and form fabricated construction easily.
It is an object of the invention to provide a kind of novel structure unique, construct convenient, elastic stiffness is big, and energy dissipation capacity is strong, position
Shifting ductility is good, and the assembled energy-dissipating and shock-absorbing pier stud that strength deterioration is little；Concrete technical scheme is:
A kind of energy-dissipating and shock-absorbing pier stud, the post limb being made up of steel pipe arranged including some parallel bunchys, on every described post limb
All it is correspondingly arranged on some edges of a wing through-type tubular joint, described edge of a wing through-type tubular joint is provided with bracket beam；Arrange between post limb
There is energy dissipating coupling beam, be connected fixing to described bracket beam and described energy dissipating coupling beam by bolt.
Further, the intensity of described edge of a wing through-type tubular joint is not less than 1.2 times of intensity of bracket beam and is not less than post limb
1.2 times of intensity, the intensity of described bracket beam is not less than 1.2 times of energy dissipating coupling beam intensity.
Further, described post limb is steel core concrete column limb, and described post limb intensity is not less than bracket beam intensity, and is not less than
1.2 times of energy dissipating coupling beam intensity.
Further, described edge of a wing through-type tubular joint is made up of node dividing plate, sidewall；Described node dividing plate and the bracket beam edge of a wing
Plate integrated design；Described sidewall surrounds and pours chamber, described node dividing plate be arranged on described in pour on the upper and lower end face in chamber.
Further, described node dividing plate is provided with sprue gate, and described sprue gate is arranged on the central authorities pouring chamber, passes through up and down
Logical.
Further, described node dividing plate is provided with air vent.
Further, described air vent be arranged on described in pour the corner in chamber, up/down perforation.
Further, described energy dissipating coupling beam is made with middle coupling beam web, the welding of coupling beam flange plate by the end plate that connects at two ends
Become.
Further, described coupling beam web and coupling beam flange plate are configured to I-shaped structure.
Further, described coupling beam web is provided with the coupling beam ribbed stiffener parallel with described connection end plate, or by coupling beam
Web is set to corrugated plating.
Energy-dissipating and shock-absorbing pier stud of the present invention, by arranging energy dissipation component between post limb, consumes inputting seismic energy, thus increases
Big structural damping, reduces seismic structural response, can be with the safety of guard column limb structure.This structure is by steel core concrete column limb and cuts
Cut type energy dissipating coupling beam is assembled, and uses high-strength bolt splicing, has convenience of constructing efficiently.Further, energy dissipating coupling beam is permissible
Realize quick-replaceable, it is achieved quick repair ability after the shake of energy-dissipating and shock-absorbing pier stud.
Accompanying drawing explanation
Fig. 1 is concrete thin-wall pillarwork schematic diagram in prior art；
Fig. 2 is concrete thin-wall pier stud hysteresis loop figure in prior art；
Fig. 3 is energy-dissipating and shock-absorbing pillarwork schematic diagram of the present invention；
Fig. 4 is base A-A cross-sectional view；
Fig. 5 is base B-B cross-sectional view；
Fig. 6 is I partial enlargement welding schematic diagram；
Fig. 7 is II partial enlargement welding schematic diagram；
Fig. 8 is III partial enlargement welding schematic diagram；
Fig. 9 is energy dissipating coupling beam front view；
Figure 10 is energy dissipating coupling beam top view；
Figure 11 is energy dissipating coupling beam left view；
Figure 12 is energy dissipating coupling beam C-C generalized section；
Figure 13 is Fig. 3 energy-dissipating and shock-absorbing pier stud hysteresis loop figure；
Figure 14 is the structural representation that energy-dissipating and shock-absorbing pier stud is applied in bridge structure；
Figure 15 is the structural representation that energy-dissipating and shock-absorbing pier stud is applied in frame structure.
In figure: 1, post limb；2, edge of a wing through-type tubular joint；2-1, node dividing plate；2-2, sprue gate；2-3, air vent；2-4、
Sidewall；3, top panel；4, bracket beam；4-1, bracket web；4-2, bracket connect end plate；4-3, bracket flange plate；5, ribbed stiffener；
6, footing；6-1, footing hole；7, energy dissipating coupling beam；7-1, coupling beam connect end plate；7-2, coupling beam web；7-3, coupling beam ribbed stiffener；7-
4, coupling beam flange plate；8, Vierendeel girder；9, box beam.
Detailed description of the invention
Below with embodiment, the present invention is more fully illustrated.The present invention can be presented as multiple multi-form,
It is not construed as the exemplary embodiment being confined to describe here.
For ease of explanation, here can use such as " on ", the space relative terms such as D score " left " " right ", be used for
Shown in bright figure a element or feature are relative to another element or the relation of feature.It should be understood that except in figure
Outside the orientation illustrated, spatial terminology is intended to include device different azimuth in use or operation.Such as, if in figure
Device is squeezed, be stated as being positioned at the element of other elements or feature D score will be located into other elements or feature " on ".Cause
This, exemplary term D score can comprise upper and lower both orientation.Device can otherwise position (90-degree rotation or be positioned at
Other orientation), relatively illustrate used herein of space correspondingly to explain.
As it is shown on figure 3, the energy-dissipating and shock-absorbing pier stud in the present embodiment, the post limb 1 made including 2 steel pipes, on every post limb 1
All it is correspondingly arranged on 3 nodes；Bracket flange plate 4-3 stretches into the inside of the steel pipe of post limb 1, referred to as edge of a wing through-type tubular joint 2；The wing
Bracket beam 4 it is provided with on edge through-type tubular joint 2；Energy dissipating coupling beam 7 it is provided with, by bolt by through for edge of a wing joint between post limb 1
Bracket beam 4 on point 2 is fixing with energy dissipating coupling beam 7 to be connected.
Certainly, the quantity of post limb 1 is not limited to 2；Can be that 3,4 or more parallel bunchys are arranged.It is parallel-laid into
Bundle arranges and refers to that all post limbs 1 of pier stud all be arranged in parallel, overall as a pier stud；Such as, as in Fig. 3 two post limbs 1 paired
It is arranged in parallel, or 3 post limbs 1 are arranged in equilateral triangle；Or 4 rectangular arrangements of post limb 1；Or more post limbs 1
The form such as arrangement in circumference, as a pier stud；And have interval between post limb 1, between post limb 1 by energy dissipating coupling beam 7 even
Connect.
The quantity of the edge of a wing through-type tubular joint 2 on post limb 1 can be able to be 2 according to the height adjustment of post limb 1,3 or
More pieces.
As shown in Figure 4, the footing 6 of post limb 1 is the steel plate being drilled with footing hole 6-1, welds with post limb 1 lower surface, along post limb 1
Lateral wall be welded with the ribbed stiffener 5 the most vertical with the lateral wall of footing 6 and post limb 1.
Post limb 1 can use steel core concrete column limb；The bearing capacity of post limb 1 is improved by casting concrete；And steel pipe
Concrete column limb plasticity and good toughness and easy construction, have good pressure (drawing)-curved-turn round-cut composite force performance.Post limb 1
Intensity is not less than the intensity of bracket beam 4, and ensures that post limb 1 intensity is not less than 1.2 times of energy dissipating coupling beam 7 intensity.
As it is shown in figure 5, edge of a wing through-type tubular joint 2 is made up of node dividing plate 2-1 and sidewall 2-4；Sidewall 2-4 surrounds and pours
Chamber, node dividing plate is arranged on the upper and lower end face pouring chamber.Bracket connects end plate 4-2 and is arranged on the external part of bracket beam, with post
Limb 1 is parallel.By upper and lower bracket flange plate 4-3 and upper and lower two pieces of node dividing plate 2-1 integrated designs in the present embodiment, improve the edge of a wing
The intensity of through-type tubular joint 2, it is to avoid node sidewall 2-4 under earthquake load by bracket beam flange plate drawing crack.Bracket flange plate 4-3
And bracket connect be also equipped with between end plate 4-2 bracket web 4-1, bracket web 4-1 and upper and lower two pieces of bracket flange plate 4-3 and
It is the most vertical that bracket connects end plate 4-2.
The intensity of edge of a wing through-type tubular joint 2 is not lower than 1.2 times of bracket beam semi-finals degree, and bracket beam semi-finals degree not lower than disappears
1.2 times of energy coupling beam 7 intensity, it is ensured that energy dissipating coupling beam 7 absorbs seismic energy by yield deformation under seismic force effects, keeps away
Exempt from edge of a wing through-type tubular joint 2, bracket beam 4 and post limb 1 to destroy, it is ensured that the safety of structure, and after the calamity of beneficially structure
Repair.
Node dividing plate 2-1 is provided with sprue gate 2-2, sprue gate 2-2 and is arranged on the central authorities pouring chamber, up/down perforation.Pass through
Sprue gate 2-2 is set at node dividing plate 2-1, concrete can be made to be poured at the bottom of post from capital.
Node dividing plate 2-1 is provided with steam vent 2-3.Steam vent 2-3 is arranged on the corner pouring chamber, and up/down perforation, with row
The bubble produced when going out concreting and vibrate.
Top panel 3 can also be welded at the top of post limb 1, top panel 3 also should arrange sprue gate and air vent.At post
The welded top top panel 3 of limb 1, the concrete in coupled columns limb 1 carries out sealing, improves the intensity of post limb 1.
As shown in Figure 6 to 8, the sidewall 2-4 of post limb 1 and edge of a wing through-type tubular joint 2 all can surround with Plate Welding.When
So, it is also possible to be cut into steel pipe.The solder side of post limb 1 should be arranged on outer surface as far as possible, to facilitate welding operation, is conducive to carrying
High welding quality.Post limb 1 is welded to connect with edge of a wing through-type tubular joint 2 by steel pipe.
As shown in Fig. 9 to Figure 12, energy dissipating coupling beam 7 is by the connection end plate 7-1 at two ends and middle web 7-2, the coupling beam edge of a wing
Plate 7-4 welding is made.As energy-dissipating and shock-absorbing component, energy dissipating coupling beam 7 is built the preferable steel of the ductility such as steel by mild steel or height and is made, has
It is beneficial to improve energy dissipating coupling beam 7 deformability and energy dissipation capacity；The entirety of energy-dissipating and shock-absorbing pier stud can be reduced after the surrender of energy dissipating coupling beam
Rigidity, reduces seismic force input, it is to avoid post limb 1 destroys.Bracket connects end plate 4-2 and coupling beam connects arrangement on end plate 7-1
Bolt mounting holes, the quantity of bolt mounting holes and arrangement can need design according to concrete stress, meet energy dissipating coupling beam 7 and bracket
Bonding strength requirement between beam 4, it is to avoid bracket connects end plate 4-2 and coupling beam connects end plate 7-1 deformation, and should be conducive to energy dissipating
The replacing of coupling beam 7.
Coupling beam web 7-2 and coupling beam flange plate 7-4 is configured to I-shaped structure；Can be shaped steel or Plate Welding and
Become.In order to improve the flexural property of energy dissipating coupling beam web, increase coupling beam deformability, it is also possible to arrange on coupling beam web 7-2
The coupling beam ribbed stiffener 7-3 parallel with connecting end plate 7-1.The web of energy dissipating coupling beam 7 can also use corrugated web.
The energy-dissipating and shock-absorbing pillarwork that the present invention proposes, uses novel Rapid Combination assembling mode；This structure is by steel pipe
Concrete column limb and shearing-type energy dissipating coupling beam are assembled, and use high-strength bolt splicing, have convenience of constructing efficiently.And
And, energy dissipating coupling beam can realize quick-replaceable, it is achieved quick repair ability after the shake of energy-dissipating and shock-absorbing pier stud.This structure can be answered
For bridge structure pier stud, it is also possible to be applied in building structure, such as frame structure, frame-brace structure and framework-core
Barrel structure.
The pier stud effective depth of the present embodiment is 4000mm；Every post limb 1 is provided with 3 edge of a wing through-type tubular joint 2, along post
Height is equally spaced；Steel pipe is length of side 250mm square tube, wall thickness 8mm, internal filling C50 concrete；The high 250mm of bracket beam 4, joint
Point dividing plate 2-1 width 250mm, thickness of slab 10mm；Bracket flange plate 4-3 is isosceles trapezoid, and base width is 250mm, and top margin width is
180mm, thickness of slab 10mm；Bracket web 4-1 thickness of slab 10mm；The a length of 400mm of energy dissipating coupling beam 7, deck-molding 210mm, the coupling beam edge of a wing
Plate 7-4 thickness of slab 10mm, width 130mm, coupling beam web 7-3 thickness of slab 8mm；Bracket connects end plate 4-2 and coupling beam connects end plate 7-1 plate
Thick 25mm, wide 240mm, high 400mm；All armor plate strength grades are Q345；Its Mechanical test results as shown in figure 13, this reality
Execute assembled energy-dissipating and shock-absorbing pier stud in example and there is good intensity, rigidity and stable energy dissipation capacity and bigger deformation energy
Power.
The energy-dissipating and shock-absorbing pier stud of the present invention can be applied in bridge structure, such as: Figure 14 shows as a kind of bridge pier column
Go out a kind of bridge structure, continuous box girder 9 uses rubber support or other forms are connected formation with energy-dissipating and shock-absorbing pier stud continuously
Beam bridge structure or continuously strong bridge structure.
It addition, the energy-dissipating and shock-absorbing pier stud of the present invention can also be applied to steel-frame structure, such as a kind of latticed column: figure
15 illustrate a kind of steel-frame structure, and with energy-dissipating and shock-absorbing post, crossbeam 8 is vertically and horizontally being connected formation frame structure.
Above-mentioned example is only intended to illustrate the present invention, in addition, the most multiple different embodiment, and these are implemented
Mode be all those skilled in the art after comprehension inventive concept it is also envisioned that therefore, will not enumerate at this.
Claims (10)
1. an energy-dissipating and shock-absorbing pier stud, it is characterised in that include the post limb being made up of steel pipe that some parallel bunchys are arranged, often
All it is correspondingly arranged on some edges of a wing through-type tubular joint on post limb described in root, described edge of a wing through-type tubular joint is provided with bracket beam；
It is provided with energy dissipating coupling beam between post limb, is connected fixing to described bracket beam and described energy dissipating coupling beam by bolt.
2. energy-dissipating and shock-absorbing pier stud as claimed in claim 1, it is characterised in that the intensity of described edge of a wing through-type tubular joint is not less than
1.2 times of the intensity of described bracket beam, the intensity of described bracket beam is not less than 1.2 times of energy dissipating coupling beam intensity.
3. energy-dissipating and shock-absorbing pier stud as claimed in claim 1, it is characterised in that described post limb is steel core concrete column limb, described
Post limb intensity is not less than bracket beam intensity, and is not less than 1.2 times of energy dissipating coupling beam intensity.
4. energy-dissipating and shock-absorbing pier stud as claimed in claim 1, it is characterised in that described edge of a wing through-type tubular joint by node dividing plate,
Sidewall is constituted；Described sidewall surrounds and pours chamber, described node dividing plate be arranged on described in pour on the upper and lower end face in chamber.
5. energy-dissipating and shock-absorbing pier stud as claimed in claim 4, it is characterised in that described node dividing plate is provided with sprue gate, described
Sprue gate is arranged on the central authorities pouring chamber, up/down perforation.
6. energy-dissipating and shock-absorbing pier stud as claimed in claim 4, it is characterised in that described node dividing plate is provided with air vent.
7. energy-dissipating and shock-absorbing pier stud as claimed in claim 6, it is characterised in that described air vent be arranged on described in pour the angle in chamber
Portion, up/down perforation.
8. energy-dissipating and shock-absorbing pier stud as claimed in claim 1, it is characterised in that described energy dissipating coupling beam by the connection end plate at two ends and
Middle coupling beam web, the welding of coupling beam flange plate are made.
9. energy-dissipating and shock-absorbing pier stud as claimed in claim 8, it is characterised in that described coupling beam web is configured to coupling beam flange plate
I-shaped structure.
10. energy-dissipating and shock-absorbing pier stud as claimed in claim 8, it is characterised in that be provided with and described company on described coupling beam web
Connect the coupling beam ribbed stiffener that end plate is parallel, or coupling beam web is set to corrugated plating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610591138.2A CN106065566A (en) | 2016-07-26 | 2016-07-26 | A kind of energy-dissipating and shock-absorbing pier stud |
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| CN201610591138.2A CN106065566A (en) | 2016-07-26 | 2016-07-26 | A kind of energy-dissipating and shock-absorbing pier stud |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107354863A (en) * | 2017-07-21 | 2017-11-17 | 华侨大学 | A kind of assembled gate-type round steel pipe bridge pier that power consumption binder is set |
| CN107938498A (en) * | 2017-11-27 | 2018-04-20 | 华侨大学 | Assembled steel bridge pier and assembly type gate-type steel bridge pier |
| CN108487048A (en) * | 2018-04-13 | 2018-09-04 | 福州大学 | A kind of steel core concrete column-mild steel energy dissipation component combination high pier structure of box section |
| CN108532447A (en) * | 2018-06-13 | 2018-09-14 | 华侨大学 | The stub structure and bridge that can quickly repair |
| CN108952290A (en) * | 2018-09-26 | 2018-12-07 | 清华大学 | The energy-dissipating and shock-absorbing body structure at overhead only column station |
| CN113482190A (en) * | 2021-07-08 | 2021-10-08 | 清华大学 | Coupled energy dissipation and shock absorption structure |
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| CN108532447A (en) * | 2018-06-13 | 2018-09-14 | 华侨大学 | The stub structure and bridge that can quickly repair |
| CN108952290A (en) * | 2018-09-26 | 2018-12-07 | 清华大学 | The energy-dissipating and shock-absorbing body structure at overhead only column station |
| CN108952290B (en) * | 2018-09-26 | 2024-03-22 | 清华大学 | Energy dissipation shock absorber structure of overhead single-column station |
| CN113482190A (en) * | 2021-07-08 | 2021-10-08 | 清华大学 | Coupled energy dissipation and shock absorption structure |
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Application publication date: 20161102 |