CN110318479A - A kind of Self-resetting suspension column structure and its construction method - Google Patents
A kind of Self-resetting suspension column structure and its construction method Download PDFInfo
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- CN110318479A CN110318479A CN201910539244.XA CN201910539244A CN110318479A CN 110318479 A CN110318479 A CN 110318479A CN 201910539244 A CN201910539244 A CN 201910539244A CN 110318479 A CN110318479 A CN 110318479A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/34—Foundations for sinking or earthquake territories
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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Abstract
The invention discloses a kind of Self-resetting suspension column structure and its construction methods, comprising: basic part, steel column, cantilevered plate, high strength anchor bar and disk spring；Basic part is cuboid structure；Steel column is I-steel, and is vertically arranged in the top of basic part, and contact with basic part；Cantilevered plate is two pieces, and is horizontally fixed on the outside of the steel column edge of a wing；High strength anchor bar be it is multiple, high strength anchor bar passes vertically through cantilevered plate, and bottom end is fixedly connected with basic part；Disk spring is sleeved on high strength anchor bar of the cantilevered plate far from basic part side and between basic part and cantilevered plate.The present invention collectively forms automatic runback device by high strength anchor bar, disk spring and cantilevered plate, precompressed moment of flexure is formed by the precompression of disk spring, guarantee that node structure has good Self-resetting performance, effectively prevent the formation for being similar to the plastic hinge of traditional steel frame suspension column, realize that the big lower bean column node of shake effect is not damaged or slight damage, shake posterior nodal point can come into operation without repairing.
Description
Technical field
The present invention relates to the energy-dissipating and shock-absorbing technical field of building structure, more particularly to a kind of Self-resetting suspension column knot
Structure and its construction method.
Background technique
Currently, traditional Seismic Philosophy avoids structure from issuing in macroseism to protect life as primary goal by Ductility Design
Life is collapsed.However, this Ductility Design is to allow structure main bearing member to be plastic deformation to cost.Another party
Face, structure may suffer from geological process more stronger than fortification intensity during use, this also results in structure and damages
And residual deformation.In fact, earthquake disaster in recent years shows that the quantity of building collapse and personnel death have obtained in earthquake
Effective control, but economic loss caused by earthquake and social influence are still very huge, wherein substantial portion of warp
Building is impaired serious when Ji loss is due to earthquake, is difficult to repair after shake；Or repair time is too long, building function is interrupted, shadow
Ring normal production and life.Based on this, researcher proposes the concept of recoverable function structure.Earthquake recoverable function structure is
It is not required to repair or slightly repair to restore using the structure of function, main purpose to be after making structure have shake after referring to earthquake
Fast quick-recovery uses the ability of function, to mitigate since function interruption bring influences after structure shake.
Structural system with recoverable function mainly includes the structural system for having replaceable component, Self-resetting structural body
System and swinging structure system.Structural system with replaceable component concentrates on replaceable weakness by that will damage or deform
Position, it is ensured that structural body components are intact, while reaching fast quick-recovery structure using function by replacing replaceable component after shake
Purpose.Self-resetting structural system mainly passes through is arranged prestressing apparatus in the structure, and structure is made to automatically revert to initial position,
To reduce residual displacement.Swinging structure system is waved by structural integrity prevents weak floor, becomes layers interlayer
Shape reaches unanimity, and structural damage is more evenly distributed.
Damage mode of the existing steel frame under geological process and energy consumption position control difficulty are larger, and suspension column is easily moulded
Property hinge, structural damage is serious after shake, residual deformation is big, repairs difficult.The design philosophy adhered to over a long period of time is only pacified with life
Be all target Aseismic Design be it is far from being enough, Aseismic Design is not only it is ensured that personal safety and it is necessary to consider structure structure
Part is repaired after destroying caused economic loss and its shake.
Therefore, develop it is a kind of there is extremely strong Self-resetting performance and energy dissipation capacity, while also with excellent ductility and
The problem of Self-resetting suspension column structure of anti-fatigue performance is those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, the present invention provides a kind of Self-resetting performance is strong, a kind of runback with ductility and anti-fatigue performance
Position suspension column structure and its construction method.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of Self-resetting suspension column structure, comprising: basic part, steel column, cantilevered plate, high strength anchor bar and disk spring；
The basic part is cuboid structure；
The steel column is I-steel, and is vertically arranged in the top of the basic part, and contact with the basic part；
The cantilevered plate is two pieces, and is horizontally fixed on the outside of the steel column edge of a wing；
The high strength anchor bar be it is multiple, the high strength anchor bar passes vertically through the cantilevered plate, and bottom end and the basic part
It is fixedly connected；
The disk spring is sleeved on the high strength anchor bar of the cantilevered plate far from the basic part side, Yi Jisuo
It states between basic part and the cantilevered plate.
Beneficial effect by adopting the above technical scheme is that the present invention is common by high strength anchor bar, disk spring and cantilevered plate
Automatic runback device is constituted, precompressed moment of flexure is formed by the precompression of disk spring, guarantees that suspension column structure has good Self-resetting
Performance effectively prevents the formation for being similar to the plastic hinge of traditional steel frame suspension column, and it is lossless to realize that big shake acts on lower bean column node
Wound or slight damage, shake posterior nodal point can come into operation without repairing.
It should be noted that the steel column that uses of the present invention for I-steel, be made of the edge of a wing at web and both ends,
Therefore, " web " and " edge of a wing " is the technical term of this field, and details are not described herein.
Preferably, further include adjusting block, the adjusting block is sleeved on the high strength anchor bar, and be located at the basic part with
Between the disk spring.
Beneficial effect by adopting the above technical scheme is that adjusting block can be according to the precompression that realization is estimated to disk spring
Compression degree be defined, structure is simple, easy to use.
Preferably, stiffener plate is fixed between the cantilevered plate two sides and the edge of a wing outer wall of the steel column.
Beneficial effect by adopting the above technical scheme is, the setting of stiffener plate can effectively prevent cantilevered plate destruction or
Solder design failure, keeps the connection structure between cantilevered plate and steel column more stable.
Preferably, bolt is fastened at the top of the high strength anchor bar, the bolt is used to hold out against the top of the cantilevered plate
The disk spring.
Beneficial effect by adopting the above technical scheme is to can be improved the stability of connection structure, and simplify overall structure.
Preferably, the disk spring at the top of the cantilevered plate and pad is provided between the bolt and the cantilevered plate
Plate.
Beneficial effect by adopting the above technical scheme is that bolt backing plate can effectively prevent bolt looseness, makes stable connection
Property is stronger.
Preferably, the steel column bottom is fixed with bottom plate.
Beneficial effect by adopting the above technical scheme is to further increase the stability of connection structure.
Preferably, it is fixed with connecting plate between the edge of a wing inner wall of the steel column, the connecting plate is concordant with the cantilevered plate.
Beneficial effect by adopting the above technical scheme is that connecting plate is made to play a supporting role steel column, prevents steel column from deforming,
Influence the structural stability of cantilevered plate.
Preferably, two side wing edges of the connecting plate, the bottom plate and the steel column are fixedly connected by closed plate.
Beneficial effect by adopting the above technical scheme is to further increase the stability of connection structure.
Preferably, multiple ribbed stiffeners are fixed between the edge of a wing inner wall of the steel column.
Beneficial effect by adopting the above technical scheme is to prevent steel column from deforming, and influences the structural stability of cantilevered plate.
A kind of construction method of Self-resetting suspension column structure, specifically includes the following steps:
S1, basic part building: steel framework is primarily determined according to building structure functional requirement, engineering geological condition and conceptual design
The column network arrangements and beam column size of frame structure；
S2, small shake test: small shake flexibility analysis, bearing capacity and elasticity of the checking computations steel-frame structure under small shake effect are carried out
Whether story drift meets the related limit value requirement of " seismic design provision in building code ", S1 is repeated if being unsatisfactory for requiring, again
Select beam column size；It such as meets the requirements, then suspension column moment of flexure requirements and shearing resistance requirements is calculated；
S3, parameter selection: suspension column moment of flexure requirements are equivalent to the precompressed moment of flexure that disk spring provides, according to precompressed moment of flexure
Calculate the high strength anchor bar spacing of suspension column, the precompression of the combining form of disk spring and disk spring；According to shearing resistance requirements meter
Bolt needed for calculating；
S4, big shake are examined: re-starting big shaking force time-history analysis, whether checking computations suspension column meets Self-resetting performance, if not
It meets the requirements and then repeats S1 or S2 or S3 or S4；It such as meets the requirements, then complete design.
Beneficial effect by adopting the above technical scheme is design concept clear and definite of the invention, and due to mechanical model
Clear, design procedure is clear, and anti-seismic performanceization design may be implemented, and by the anti-seismic performance realization of goal of setting structure, its is superior
Anti-seismic performance.
It should be noted that applying the technical term of many building fields in above-mentioned steps, being solved one by one herein
It releases:
Building structure functional requirement: the main purpose of structure design is to ensure that built structure is safe and applicable, can
Meet various expected functional requirements in the specified period, and wants economical, reasonable.Particularly, structure should have following
Several Xiang Gongneng: safety: under conditions of normal construction and normal use, structure should be able to bear the various loads being likely to occur work
With with deformation without destroy；After incident generation, structure is still able to maintain necessary overall stability.For example, workshop
It, should all be firm not bad when the load actions such as structure is usually self-possessed, crane, wind and accumulated snow；And encountering violent earthquake, explosion etc.
When incident, local damage is admitted of, but the monolithic stability of structure should be kept without collapsing.Applicability: normal
In use, structure should have good working performance.It is unable to operate normally crane as crane girder deformed conference, pond occurs
Crack is just unable to water storage etc., all influence normal use, needs to carry out necessary control to deformation, crack etc..Durability: normal
Under conditions of maintenance, structure should be able to meet various functions requirement within estimated service life, namely should have enough durable
Property.For example, not the aging, corrosion of reason concrete or the corrosion of reinforcing bar etc. and influence the service life of structure.Safety is applicable in
Property and durability are generally referred to as reliability of structure.Obviously, using increasing member section, increase arrangement of reinforcement quantity, raising material
The measures such as energy always can satisfy above-mentioned functional requirement, but this will lead to waste of material, cost improves, economic benefit reduces.One
Good design should accomplish not only to have guaranteed that structure was reliable, but also economical, rationally, i.e., guarantee the reliable of structure with more economical method
Property, this is the basic norm of structure design.
Engineering geological condition: refer to geological conditions related with engineering construction, including topography and geomorphology, formation lithology, geology
Construction, hydrogeologic condition, baleful geological processes and natural building material.
Conceptual design: be by analysis user demand to product concept product it is a series of it is orderly, organizable, have target
Design activity, it show as one by slightly to essence, by obscure it is clear, by being abstracted into the process specifically constantly evolved.Generally
Reading design is to serve as theme using design concept and with it through the design method of whole design processes.Conceptual design be it is complete and
Comprehensive design process, the complicated perception of designer and moment thinking are risen to unified rational thinking by design concept by it
To complete entire design.
Column network arrangements: being a part of frame structure arrangement.Column net: the frame column row of both direction in length and breadth in the plane
Column.The task of column network arrangements: determine pillar spread pattern and column away from.The foundation of arrangement: meet building requirement, examine simultaneously
Consider the reasonability of structure and the feasibility of construction.
Small shake and big shake in the present invention are to determine that small shake refers to 4 grades of vibrations below, greatly according to the series of actual seismic
Shake refers to 7 grades or more of vibration.
Preferably, residual deformation limit value is anti-seismic performance target value.
Beneficial effect by adopting the above technical scheme is can to improve the shock resistance of node structure to greatest extent.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of Self-resetting suspension columns
Structure and its construction method, have the advantages that
1, the present invention collectively forms automatic runback device by high strength anchor bar, disk spring and cantilevered plate, passes through disk spring
Precompression form precompressed moment of flexure, guarantee that node structure has good Self-resetting performance, effectively prevent being similar to traditional steel
The formation of the plastic hinge of frame suspension column realizes that the big lower suspension column of shake effect is not damaged or slight damage, shake posterior nodal point are without repairing
It can come into operation；
2, design concept clear and definite of the present invention, and since mechanical model is clear, design procedure is clear, and antidetonation may be implemented
Performance Design passes through its superior anti-seismic performance of the anti-seismic performance realization of goal of setting structure；
3, Self-resetting suspension column structure type of the present invention is simple, facilitates construction and installation.
5, the present invention makes sub- component using common building steel, and disk spring expense used is lower, greatly reduces life
Cost, and superior performance are produced, wideling popularize for present invention friction self-resetting swinging steel frame is conducive to.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the schematic three dimensional views of suspension column structure provided by the invention；
Fig. 2 is the front view of suspension column structure provided by the invention；
Fig. 3 is the side view of suspension column structure provided by the invention；
Fig. 4 is the top view of suspension column structure provided by the invention.
Wherein:
Part based on 1,2 be steel column, and 3 be cantilevered plate, and 4 be high strength anchor bar, and 5 be disk spring, and 6 be adjusting block, and 7 be reinforcement
Gusset, 8 be bolt, and 9 be backing plate, and 10 be bottom plate, and 11 be connecting plate, and 12 be closed plate, and 13 be ribbed stiffener.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to attached drawing 1 to attached drawing 4, the embodiment of the invention discloses a kind of Self-resetting suspension column structures, comprising: basic part 1, steel
Column 2, cantilevered plate 3, high strength anchor bar 4 and disk spring 5；
Basic part 1 is cuboid structure；
Steel column 2 is I-steel, and is vertically arranged in the top of basic part 1, and contact with basic part 1；
Cantilevered plate 3 is two pieces, and is horizontally fixed on the outside of 2 edge of a wing of steel column；
High strength anchor bar 4 be it is multiple, high strength anchor bar 4 passes vertically through cantilevered plate 3, and bottom end is fixedly connected with basic part 1；
Disk spring 5 be sleeved on high strength anchor bar 4 of the cantilevered plate 3 far from 1 side of basic part and basic part 1 and overhanging
Between plate 3.
It in order to further optimize the above technical scheme, further include adjusting block 6, adjusting block 6 is sleeved on high strength anchor bar 4, and
Between basic part 1 and disk spring 5.
In order to further optimize the above technical scheme, reinforcement is fixed between 3 two sides of cantilevered plate and the edge of a wing outer wall of steel column 1
Gusset 7.
In order to further optimize the above technical scheme, bolt 8 is fastened at the top of high strength anchor bar 4, bolt 8 is for holding out against overhanging
The disk spring 5 at the top of plate 3.
In order to further optimize the above technical scheme, between the disk spring 5 and bolt 8 and cantilevered plate 3 at 3 top of cantilevered plate
It is provided with backing plate 9.
In order to further optimize the above technical scheme, the bottom of steel column 2 is fixed with bottom plate 10.
In order to further optimize the above technical scheme, connecting plate 11, connecting plate 11 are fixed between the edge of a wing inner wall of steel column 2
It is concordant with cantilevered plate 3.
In order to further optimize the above technical scheme, two side wing edges of connecting plate 11, bottom plate 10 and steel column 1 pass through closed plate
12 are fixedly connected.
In order to further optimize the above technical scheme, multiple ribbed stiffeners 13 are fixed between the edge of a wing inner wall of steel column 1.
A kind of construction method of self-resetting swinging steel-frame structure, specifically includes the following steps:
S1, basic part building: steel framework is primarily determined according to building structure functional requirement, engineering geological condition and conceptual design
The column network arrangements and beam column size of frame structure；
S2, small shake test: small shake flexibility analysis, bearing capacity and elasticity of the checking computations steel-frame structure under small shake effect are carried out
Whether story drift meets the related limit value requirement of " seismic design provision in building code ", S1 is repeated if being unsatisfactory for requiring, again
Select beam column size；It such as meets the requirements, then suspension column moment of flexure requirements and shearing resistance requirements is calculated；
Circular is as follows:
A, small shake acts on the bottom shearing of lower suspension column: Fk=α1Geq
Wherein: FkThe bottom shearing of lower suspension column, α are acted on for small shake1Coefficient, G are influenced for horizontal earthquakeeqFor gravity laod generation
Tabular value；
B, the seismic shear of every steel column under small shake acts on: Vk=0.5Fk
Wherein: VkFor the seismic shear of every steel column under small shake effect；
C, the suspension column moment of flexure of every steel column under small shake acts on are as follows: Mcb=Vkhcy
Wherein: MctThe capital moment of flexure of lower every steel column of steel frame, M are acted on for small shakecbLower steel frame every is acted on for small shake
The suspension column moment of flexure of steel column, hcFor the vertical vertical height of steel column, y is the inflection point height coefficient of steel column；
D, according to the equilibrium principle of torque, small shake acts on the moment of flexure requirements of lower suspension column: Mcbd=Mcb；
Wherein: McbdThe moment of flexure requirements of lower suspension column are acted on for small shake；
S3, suspension column moment of flexure requirements are equivalent to the precompressed moment of flexure that disk spring provides, according to precompressed calculation of Bending Moment suspension column
High strength anchor bar spacing, the combining form of disk spring and disk spring precompression；Needed for being calculated according to shearing resistance requirements
Bolt；
Circular is as follows:
A, according to the principle of equal effects of torque, the precompressed moment of flexure of suspension column: Mcbp=Mcbd
Wherein: McbpFor the precompressed moment of flexure of suspension column；
B, high strength anchor bar and suspension column lift at a distance from a little on the left of suspension column are as follows: Zcbl=0.5 (bcbp+bc)
Suspension column right side high strength anchor bar lifts at a distance from a little with suspension column are as follows: Zcbr=0.5 (bcbp-bc)；
Wherein: ZcblIt is lifted at a distance from a little for high strength anchor bar on the left of suspension column and suspension column, ZcbrFor high strength anchor bar on the right side of suspension column with
Suspension column lifts distance a little, bcbpFor the spacing of high strength anchor bar at left and right sides of suspension column, bcFor the width of steel column, bbpAbove and below beam-ends
The spacing of side high strength anchor bar, hbFor beam-ends depth of section；
C, according to mechanical analysis it is found that the precompressed moment of flexure of suspension column: Mcbp=Tcp(Zcbl-Zcbr)
Wherein TcpFor the precompression of suspension column disk spring；
D, disk spring combination form is determined by following formula: Tcp=Kcp Xcp
Wherein: KcpFor the equivalent global stiffness of suspension column disk spring, XcpIt is displaced for the initial precompressed of suspension column disk spring.
S5, big shake are examined: re-starting big shaking force time-history analysis, whether checking computations suspension column meets Self-resetting performance, if not
It meets the requirements and then repeats S1 or S2 or S3 or S4；It such as meets the requirements, then complete design.
Further, residual deformation limit value is anti-seismic performance target value.
Plastic hinge: referring to because the moment of flexure on section reaches plastic limit bending moment, and thus generates rotation；Plastic hinge can be to knot
Therefore the destruction that structure generates unrepairable should be avoided in beam-ends node structure and suspension column in self-resetting swinging steel-frame structure
Occurs plastic hinge in node structure.
Working principle are as follows:
When installing disk spring 5, apply certain precompression to disk spring 5, in steady when vibrating it not
Determine state；
It when macroseism occurs, is only contacted between steel column 2 and basic part 1, and unlocked, when macroseism occurs, due to overhanging
Disk spring 5 is respectively provided at the top and bottom of plate 3, therefore, steel column 2 can carry out the weak vibrations on vertical direction, effectively avoid
The formation of foot joint structural plasticity hinge；It is waved when macroseism occurs, foot joint structure can be made not damaged or light
Micro-damage, shaking can come into operation at posterior nodal point without repairing, and then enhance the runback performance of steel frame.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of Self-resetting suspension column structure characterized by comprising basic part (1), steel column (2), cantilevered plate (3), high strength anchor bar
(4) and disk spring (5)；
The basic part (1) is cuboid structure；
The steel column (2) is I-steel, and is vertically arranged in the top of the basic part (1), and connect with the basic part (1)
Touching；
The cantilevered plate (3) is two pieces, and is horizontally fixed on the outside of the steel column (2) edge of a wing；
The high strength anchor bar (4) be it is multiple, the high strength anchor bar (4) passes vertically through the cantilevered plate (3), and bottom end and the base
Plinth part (1) is fixedly connected；
The disk spring (5) is sleeved on the described high strength anchor bar (4) of the cantilevered plate (3) far from the basic part (1) side
On and the basic part (1) and the cantilevered plate (3) between.
2. a kind of Self-resetting suspension column structure according to claim 1, which is characterized in that further include adjusting block (6), the tune
Locking nub (6) is sleeved on the high strength anchor bar (4), and between the basic part (1) and the disk spring (5).
3. a kind of Self-resetting suspension column structure according to claim 1, which is characterized in that cantilevered plate (3) two sides and institute
It states and is fixed with stiffener plate (7) between the edge of a wing outer wall of steel column (1).
4. a kind of Self-resetting suspension column structure according to claim 1, which is characterized in that tight at the top of the high strength anchor bar (4)
Intrinsic bolt (8), the bolt (8) are used to hold out against the disk spring (5) at the top of the cantilevered plate (3).
5. a kind of Self-resetting suspension column structure according to claim 4, which is characterized in that the dish at the top of the cantilevered plate (3)
Backing plate (9) are provided between shape spring (5) and the bolt (8) and the cantilevered plate (3).
6. a kind of Self-resetting suspension column structure according to claim 1, which is characterized in that steel column (2) bottom end is fixed with
Bottom plate (10).
7. a kind of Self-resetting suspension column structure according to claim 6, which is characterized in that the edge of a wing inner wall of the steel column (2)
Between be fixed with connecting plate (11), the connecting plate (11) is concordant with the cantilevered plate (3).
8. a kind of Self-resetting suspension column structure according to claim 6, which is characterized in that the connecting plate (11), the bottom
Plate (10) is fixedly connected with two side wing edges of the steel column (1) by closed plate (12).
9. a kind of Self-resetting suspension column structure according to claim 1, which is characterized in that the edge of a wing inner wall of the steel column (1)
Between be fixed with multiple ribbed stiffeners (13).
10. a kind of construction method of Self-resetting suspension column structure of any of claims 1-9, which is characterized in that specific
The following steps are included:
S1, basic part building: steel frame knot is primarily determined according to building structure functional requirement, engineering geological condition and conceptual design
The column network arrangements and beam column size of structure；
S2, small shake test: small shake flexibility analysis, bearing capacity and elastic interlayer of the checking computations steel-frame structure under small shake effect are carried out
Whether angle of displacement meets the related limit value requirement of " seismic design provision in building code ", and S1 is repeated if being unsatisfactory for requiring, is reselected
Beam column size；It such as meets the requirements, then suspension column moment of flexure requirements and shearing resistance requirements is calculated；
S3, parameter selection: suspension column moment of flexure requirements are equivalent to the precompressed moment of flexure that disk spring provides, according to precompressed calculation of Bending Moment
The precompression of the high strength anchor bar spacing of suspension column, the combining form of disk spring and disk spring；Institute is calculated according to shearing resistance requirements
The bolt needed；
S4, big shake are examined: re-starting big shaking force time-history analysis, whether checking computations suspension column meets Self-resetting performance, be such as unsatisfactory for
It is required that then repeating S1 or S2 or S3 or S4；It such as meets the requirements, then complete design.
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| CN110835974A (en) * | 2019-11-25 | 2020-02-25 | 海南大学 | Tough steel column and construction and installation method thereof |
| CN111021530A (en) * | 2019-12-11 | 2020-04-17 | 沈阳建筑大学 | Assembled swing column system with external connecting piece |
| CN111691734A (en) * | 2020-05-08 | 2020-09-22 | 海南大学 | Assembled self-resetting tower type structure |
| CN113374079A (en) * | 2021-06-30 | 2021-09-10 | 山东聚鑫集团钢结构有限公司 | Building steel structure combination column |
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| CN115012584A (en) * | 2022-06-22 | 2022-09-06 | 海南大学 | Self-resetting enhanced column base structure design method |
| CN115012584B (en) * | 2022-06-22 | 2023-08-29 | 海南大学 | Self-resetting enhanced column base structure design method |
| CN117107905A (en) * | 2023-10-24 | 2023-11-24 | 北京建筑大学 | Swing steel column foot with multi-order rigidity and vertical shock-absorbing function |
| CN117107905B (en) * | 2023-10-24 | 2024-02-06 | 北京建筑大学 | Swing steel column foot with multi-order rigidity and vertical shock-absorbing function |
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