CN108930346A - A kind of self-resetting swinging wall and building containing buckling-restrained shape memory alloy bar material - Google Patents
A kind of self-resetting swinging wall and building containing buckling-restrained shape memory alloy bar material Download PDFInfo
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- CN108930346A CN108930346A CN201810928018.6A CN201810928018A CN108930346A CN 108930346 A CN108930346 A CN 108930346A CN 201810928018 A CN201810928018 A CN 201810928018A CN 108930346 A CN108930346 A CN 108930346A
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- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims abstract description 131
- 239000000463 material Substances 0.000 title claims abstract description 34
- 239000000956 alloy Substances 0.000 claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000003313 weakening effect Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 14
- 230000006399 behavior Effects 0.000 description 13
- 238000010276 construction Methods 0.000 description 13
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002929 anti-fatigue Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of self-resetting swinging walls based on buckling-restrained shape memory alloy bar material, wall and foundation beam is waved to be connected by wall connecting system of wall connecting system, the wall connecting system should ensure that wall and foundation beam is directly hinged, and there are sufficient rotation spaces to wave wall；Alloy bar waves between wall and the foundation beam described in being arranged in, and bottom is connect by anchor with foundation beam, and wall connecting is waved with described by embedded sleeve barrel in top；Constraint sleeve is installed on the shape memory alloy bar side and wraps the shape memory alloy bar；It waves wall two sides and is disposed with main body frame or wall, connected by damper between wall described in several groups between them, damper can increase the energy dissipation capability for waving wall between wall；When damper does not have Self-resetting performance between the wall, the shape memory alloy bar should apply pretightning force by way of super threading, to overcome the return resistance of these dampers.
Description
Technical field
The present invention relates to construction steel structure fields, refer in particular to a kind of runback containing buckling-restrained shape memory alloy bar material
Wave wall and the steel building including the self-resetting swinging wall in position.
Background technique
Seismic Design of Building experienced several stages such as rigid design, flexible design and Ductility Design.Due to Ductility Design
The construction cost of earthquake-resistant structure can be reduced, while improving the anti-seismic performance of building to a certain extent, to obtain more wide
General application.However Ductility Design often means that the damage of structure increases, and is not easy to the seismic Damage mode of control structure, makes
The rehabilitation cost and reparation difficulty built after must shaking greatly increase.Early stage studies have shown that it is appropriate loosen component and basis company
It connects, allows to build and certain length occurs under geological process wave the seismic Damage that can effectively reduce structure.Wave the general of wall
It reads and therefore comes into being.On the one hand waving wall can control the lateral deformation mode of structure, on the other hand pass through wall and basis
Energy dissipation damper earthquake energy between wall and wall.The tradition being widely used in engineering structure at present waves wall
Mainly it is made of the biggish wall of rigidity and energy dissipation damper.Such wave wall although have preferable energy dissipation capability,
There are biggish residual deformations for meeting after shake for it and its building, so that it repairs difficulty, and rehabilitation cost is higher, or even can only
It removes and rebuilds.And self-resetting swinging wall waves addition runback bit location in wall in tradition, and runback after the shake for waving wall can be realized
Position so that the reparation for structure after shake offers convenience, and substantially reduces rehabilitation cost.The self-resetting swinging wall master having proposed at present
It to include that prestressing force self-resetting swinging wall and shape memory alloy self-resetting wave two class of wall.Prestressing force self-resetting swinging wall passes through
Dissipative cell earthquake energy, and Self-resetting is realized by the pretension of presstressed reinforcing steel.The structure of prestressing force self-resetting swinging wall
It makes and construction technology is complex, and rigidity is larger after nominal yield, allow limited deformation.Shadow is back and forth loaded by geological process
It rings, pretension muscle there is also relaxation, causes to wave when wall undergoes small deformation again and loses initial stiffness.Marmem runback
It waves wall and energy consumption and Self-resetting performance is realized by the super-elasticity of shape memory alloy material in position.Existing marmem is certainly
Reset waves that wall is existing using shape memory alloy wire material, also has using bar or bolt, but it is closed with shape memory
Golden material is only based on by pulling force.This means that the shape memory alloy element of such self-resetting swinging wall is when being pressurized in non-
Working condition is easy to buckling when being pressurized especially for the shape memory alloy element using bar and screw rod and is occurring
Fracture.And when big shake occurs so that Shape Memory Alloy member peak deformations are excessive and after enter strain, which will produce
Raw residual deformation loses initial stiffness to make this wave when wall undergoes small deformation again.Equally, marmem structure under low temperature
Part will also degenerate and show the behavior of generic metallic component, cause to wave wall when undergoing small deformation again after undergoing moderate finite deformation by
In residual deformation influence and lose initial stiffness.
A kind of self-resetting swinging wall group based on shape memory alloy bar material is disclosed in patent 201710930096.5
Part, the energy consumption and tension behavior of the Self-resetting performance based on shape memory alloy bar material of the device, and in shape memory alloy bar
Off working state is in when material is pressurized.In fact, structure is in actual seismic due to the randomness and unpredictability of earthquake peak value
In often generate be greater than design object value deformation (the such as larger than peak value story drift of design object value), at this time shape remember
Residual deformation will be generated due to entering strain by recalling alloy bar material, and the length of shape memory alloy bar will be greater than in the patent
The spacing of memorial alloy top anchor point and bottom limit point；This means that when structure is undergone again compared with small deformation, the Self-resetting
The shape memory alloy element for waving wall will lose initial stiffness, i.e., without bearing capacity under the deformation.Equally, at low temperature,
Marmem will degenerate for the mechanical characteristic of common metal, be bound to generate remaining change at this time when undergoing earthquake load
Shape, the shape memory alloy element of the self-resetting swinging wall will also lose initial stiffness and bearing capacity, principle when compared with small deformation
Ibid.And the present invention shape memory alloy bar weaken area introduce outer sleeve, while by bottom also with foundation anchor, to consider
The Compressive Performance of shape memory alloy bar.It, still can be with table when marmem is pressurized due to constraining the effect of sleeve
Reveal good energy consumption, Self-resetting and anti-fatigue performance.Due to buckling-restrained marmem compression when can also consume energy
Amount, the energy dissipation capability of self-resetting swinging wall also increased.Meanwhile in experience larger earthquake or at a lower temperature,
There is the performance of common metal in marmem, which will appear as similar buckling restrained brace
Performance, even if will not also lose initial stiffness and bearing capacity there are residual deformation.
Summary of the invention
In order to overcome construction and the construction technology of existing prestressing force self-resetting swinging wall complex, after nominal yield just
Spend larger, the shape memory alloy element for allowing limited deformation and existing shape memory alloy self-resetting to wave wall is pressurized and easily bends
Song is simultaneously broken, and the deficiency of initial stiffness is easily lost under big shake and low temperature；The present invention provides a kind of based on buckling-restrained shape
The self-resetting swinging wall of shape memory alloys bar；The self-resetting swinging wall has good energy-dissipating property under seismic loading
And self-resetting capability, allow deformation range big, Cyclic Loading behavior is symmetrical, will not lose just under low temperature and after experience excessive deformation
Beginning rigidity；Damage Coutrol is realized, structural beam member will not be damaged after shake, it is only necessary to replace between shape memory alloy bar and wall
Damper, that is, recoverable function.Meanwhile the present invention introduces friction wall also in waving wall system, waves wall to effectively improve
The energy dissipation capability of system.Simple structure of the present invention, produces simple installation, and economic benefit is higher.
An object of the present invention is to provide a kind of self-resetting swinging wall based on buckling-restrained shape memory alloy bar material.
The second object of the present invention is to provide a kind of self-resetting swinging wall including buckling-restrained shape memory alloy bar material
Steel building.
To achieve the above object, the technical solution adopted by the present invention to solve the technical problems is:
The present invention provides a kind of self-resetting swinging walls based on buckling-restrained shape memory alloy bar material, by waving wall
Body, foundation beam, wall connecting system, shape memory alloy bar, constraint sleeve, anchor, embedded sleeve barrel, main body frame or wall
Damper, friction wall and friction plate are constituted between body, wall, in which: the wall and the foundation beam of waving is by wall connecting system
Connection, which should ensure that it is hinged for waving between wall and foundation beam, and there are sufficient rotations to wave wall
Space；The shape memory alloy bar is arranged between the wall and the foundation beam, and bottom passes through anchor and base
The connection of plinth beam, wall connecting is waved with described by embedded sleeve barrel in top, while providing rotational stiffness, is based on itself horse
Family name's body-austenite phase transformation characteristic waves wall under geological process and provides energy-dissipating property and Self-resetting performance；The constraint sleeve
It is installed on the shape memory alloy bar side and wraps the shape memory alloy bar, which can constraint shapes note
Alloy bar compressive buckling is recalled, to effectively improve the ductility and bearing capacity when shape memory alloy bar is pressurized；It is described to wave wall
Two sides are disposed with main body frame or wall, are connected by damper between wall described in several groups between them, are hindered between the wall
Buddhist nun's device can increase the energy dissipation capability for waving wall；The friction wall and the wall that waves are arranged in parallel, and described rubs
It is fixed to wipe wall；It the friction wall and described waves equipped with friction plate between wall, to improve the energy dissipation for waving wall system
Ability；The shape memory alloy bar should apply pretightning force by way of super threading, to overcome damper between wall and rub
Return resistance caused by wiping.
At a temperature of suitable environment, when an earthquake occurs, wall is waved around the hinge rotation being located near foundation beam, makes position
Shape memory alloy bar in center of rotation two sides is respectively at tension and pressured state and earthquake energy.This process
In, the constraint sleeve ensure that the compression row of shape memory alloy bar material to the effect of contraction of the shape memory alloy bar
For.Meanwhile the damper between wall consumes seismic energy due to the dislocation deformation between each wall or wall and main body frame
Amount, and wave and friction energy-dissipating is realized due to sliding deformation between wall and friction wall.Due to marmem self-characteristic,
After geological process removal, shape memory alloy bar is replied in original position, and pretightning force can overcome damper between wall and wave wall
Reply it in original position with the return resistance of friction wall, self-resetting swinging wall is without residual deformation.During entire load-bearing, due to
Shape memory alloy bar is arranged symmetrically relative to center of rotation, and the hysteretic behavior waved when wall moves back and forth is symmetrical.And in low temperature
Under, the performance degradation of marmem is the performance of common metal, this, which waves wall, will show traditional behavior for waving wall.When
When waving deformation of the wall experience beyond design allowed band, even if shape memory alloy bar generates residual deformation, wall is waved at this
It still can behave as the characteristic that tradition waves wall when experience is less than the small deformation of residual deformation again, without losing initial stiffness.
Further, wall connecting system one end is fixedly connected with the wall that waves, and the other end passes through hinged joint
It is connect with foundation beam, wall connecting system hinged joint is near the foundation beam.The wall connecting system, which should ensure that, waves wall
It can be rotated by adequate space around hinge joint.
In the present invention, the shape memory alloy bar is divided into two groups, is symmetrically arranged in the wall connecting system and the base
The hinge joint two sides of plinth beam；Every group includes the more shape memory alloy bars for being vertically arranged and being parallel to each other, every shape memory
The intracorporal embedded sleeve barrel connection of wall is waved by being embedded in advance in one end of alloy bar, and the other end and the foundation beam pass through described
Anchor (girder steel) or the embedded sleeve barrel (beams of concrete) connection.
Further, every group of shape memory alloy bar can configure several marmems according to actual requirement.
Further, to weaken area in the middle part of the shape memory alloy bar, both ends are anchorage zone, weaken area and anchorage zone it
Between be equipped with transition region；Wherein: weakening area's cross sectional shape can be circle, rectangle etc.；Anchorage zone should be carved with screw thread；And anchorage zone is most
Small net section product should be greater than weakening area's minimum net section product.
Further, the shape memory alloy bar is made of shape memory alloy material, such as Ni-Ti alloy material
Matter.
Further, the permission deflection of the shape memory alloy bar should be greater than the maximum distortion under design reference earthquake
Amount.
Further, when the shape memory alloy bar is connected by the anchor with other components, the anchor
It is fixedly mounted with and sets two sides and should all configure bolt to guarantee that relative displacement does not occur by the axial force of any direction for they.
Further, the anchor can be the diversified forms such as bulk, angle steel shape, plate shape.
In the present invention, the constraint sleeve is installed on the shape memory alloy bar side and wraps the shape memory
Alloy bar.
Further, the constraint sleeve is provided with for middle part weakens what area section matched with the shape memory alloy bar
The diversified forms such as cylindrical body, the cuboid of elongated slot；Wherein, the long groove groove wall and the shape memory alloy bar weaken area's outer wall
Seeing should there are the gaps 1-2mm.
Preferably, the constraint sleeve directly can be selected two pieces of steel plate splicings for being provided with elongated slot and form；By two blocks of steel plates
The inside groove of the constraint sleeve is collectively formed in elongated slot.
Further, the length of the constraint sleeve should be slightly less than the shape memory alloy bar weakening segment length, length
Degree difference should be slightly less than the design permissible deformation value of shape memory alloy bar.
Further, the gap between the constraint sleeve inside groove and the shape memory alloy bar should fill soap-free emulsion polymeization material
Material；Non-cohesive material can be epoxy resin, rubber layer, lithium saponify, soft glass etc..
Further, the wall that waves can be connect with two sides main body frame or wall by various forms of dampers,
These dampers should be arranged symmetrically, to guarantee that the reciprocal behavior for waving wall is symmetrical.
In the present invention, the friction wall and the wall that waves are arranged in parallel, and are fixedly connected with foundation beam, and connection needs to protect
Card is when side-move distortion occurs for structure, without relative displacement between friction wall and the foundation beam.
Further, friction plate is arranged between wall in the friction wall and described wave.
Further, aluminum friction plate or steel friction plate etc. can be used in friction plate.
In the present invention, the shape memory alloy bar should apply enough pretightning forces by way of super threading, to overcome
The reset resistance of the damper.
In the present invention, ribbed stiffener should be arranged in each component on demand.
The present invention also provides a kind of steel building, the steel building includes above-mentioned based on buckling-restrained shape note
Recall alloy
The self-resetting swinging wall of bar.
The beneficial effects of the present invention are:
Under normal operating condition, this, which waves wall, can have preferable bearing capacity.When earthquake occurs, wall is waved around hinge
Contact rotates relative to foundation beam, and the shape memory alloy bar positioned at center of rotation two sides is made to be respectively at tension and compression
State and earthquake energy.Meanwhile between wall damper due between wall or between wall and main body frame dislocation deformation and
Earthquake energy, and the dislocation deformation for waving wall between the wall that rubs realizes friction energy-dissipating.If structure is in suitable environment
In temperature, due to marmem self-characteristic, after geological process removal, shape memory alloy bar is replied in original position,
Damper resets between pretightning force can overcome the reset resistance of damper between wall to make wall, entirely waves wall without residual deformation.And
Since shape memory alloy bar is arranged symmetrically relative to center of rotation, the hysteretic behavior waved when wall moves back and forth is symmetrical.Shape
The arrangement of memory alloy bar addition of constraints sleeve ensure that the Compressive Performance of shape memory alloy bar is utilized.Meanwhile if
Structure is in low temperature environment, and the performance degradation of marmem is the performance of common metal, and shape memory alloy bar adds about
The mechanical behavior of collar cylinder will be similar to that buckling restrained brace, enables and waves wall under geological process still with energy dissipation
Power, though it loses self-resetting capability but not loses initial stiffness.Similarly, if waving change of the wall experience beyond design allowed band
Shape still can table when waving wall and undergoing the deformation less than residual deformation again even if shape memory alloy bar generates residual deformation
The characteristic that wall is now waved for tradition, without losing initial stiffness；Damage Coutrol is realized, structural beam member will not damage after shake
It is bad, it is only necessary to replace damper i.e. recoverable function between shape memory alloy bar and wall；Meanwhile this waves wall also has shape
The general advantage of memorial alloy self-resetting swinging wall, including energy consumption and self-resetting capability it is good, construction and construction technology it is simple, allow
Deformation range is big, and durability and anti-fatigue performance are good, overall economic efficiency height etc..
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is one embodiment of the self-resetting swinging wall of the invention based on buckling-restrained shape memory alloy bar material
Structural schematic diagram；
Fig. 2 is one embodiment schematic diagram of the shape memory alloy bar in the present invention；
Fig. 3 is the schematic diagram of one embodiment of the constraint sleeve in the present invention；
Fig. 4 is the schematic diagram of one embodiment of the embedded sleeve barrel in the present invention；
Fig. 5 is the schematic diagram of one embodiment of the anchor in the present invention；
Fig. 6 is partial enlarged view of the invention；
In figure: 1 waves wall, 2 foundation beams, 3 wall connecting systems, 3-1 hinge joint, 4 shape memory alloy bars, 4-1 weakening
Area, the both ends 4-2 are anchorage zone, and 4-3, which weakens, is equipped with transition region between area and anchorage zone, 5 constraint sleeves, 6 anchors, 6-1, the wing
Damper device between plate, 6-2 wing plate, 6-3 stiffening plate, 7 anchoring embedded sleeve barrels, 8 main body frames or wall, 9 walls, 10 friction walls,
11 friction plates.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination；
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the present invention, only expression and attached drawing itself
Upper and lower, left and right direction it is consistent, not to structure rise restriction effect, it is only for convenient for description the present invention and simplification retouch
It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, and be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
Term explains part: the terms such as term " installation ", " connected ", " connection ", " fixation " in the present invention should do broad sense
Understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrated；It can be mechanical connection, be also possible to
Electrical connection, can be and be directly connected to, and be also possible to indirectly connected through an intermediary, can be connection inside two elements, or
The interaction relationship of two elements of person, for the ordinary skill in the art, can understand as the case may be on
Term is stated in concrete meaning of the invention.
As background technique is introduced, the self-resetting swinging wall having proposed at present in the prior art mainly includes prestressing force
Self-resetting swinging wall and shape memory alloy self-resetting wave two class of wall.Prestressing force self-resetting swinging wall is consumed by dissipative cell
Seismic energy, and Self-resetting is realized by the pretension of presstressed reinforcing steel.The construction and construction technology of prestressing force self-resetting swinging wall
It is complex, and rigidity is larger after nominal yield, allows limited deformation.By the reciprocal loading effect of geological process, pretension muscle is also
It will appear relaxation, cause to wave when wall undergoes small deformation again and lose initial stiffness.Shape memory alloy self-resetting waves wall and passes through
The super-elasticity of shape memory alloy material realizes energy consumption and Self-resetting performance.Existing shape memory alloy self-resetting had waved wall both
Have using shape memory alloy wire material, also have using bar or bolt, but it is with shape memory alloy material only tension
Based on power.This means that the shape memory alloy element of such self-resetting swinging wall is in off working state when being pressurized, it is special
It is not that buckling is easy to when being pressurized for the shape memory alloy element using bar and screw rod and is being broken.And when hair
Raw big shake so that Shape Memory Alloy member peak deformations are excessive and after entering strain, the component will generate residual deformation from
And it waves this when wall undergoes small deformation again and loses initial stiffness.Equally, Shape Memory Alloy member will also degenerate simultaneously under low temperature
The behavior for showing generic metallic component, causes to wave wall when undergoing small deformation again after undergoing moderate finite deformation due to residual deformation
It influences and loses initial stiffness, in order to solve technical problem as above, present applicant proposes one kind to be remembered based on buckling-restrained shape
Recall the self-resetting swinging wall of alloy bar material；The self-resetting swinging wall has good energy-dissipating property and oneself under seismic loading
Reset capability allows deformation range big, and energy dissipation capacity is stronger, and Cyclic Loading behavior is symmetrical, under low temperature and after experience excessive deformation
Initial stiffness will not be lost；Damage Coutrol is realized, structural beam member will not be damaged after shake, it is only necessary to replace marmem
Stick, that is, recoverable function；And simple structure, simple installation is produced, economic benefit is higher.
In a kind of typical embodiment of the application, as shown in Figures 1 to 6, this waves wall by waving wall 1, basis
Beam 2, wall connecting system 3, shape memory alloy bar 4, constraint sleeve 5, anchor 6, anchoring embedded sleeve barrel 7, main body frame or
Damper device 9 between wall 8 and wall, rub wall 10, and friction plate 11 is constituted, in which: the wall 1 that waves is that rigidity is biggish mixed
Solidifying soil shear wall；The foundation beam 2 is the girder steel in H-type section；The wall 1 and the foundation beam 2 of waving is by wall connecting system 3
Connection, it is preferred that the wall connecting system 3 be up-side down triangle leverage, top and wave wall by pre-embedded steel slab welding (in fact
Now it is fixedly connected), bottom end is connect by hinged-support with the foundation beam top flange plate 2-1；To wave wall, there are sufficient to turn
Dynamic space.
The shape memory alloy bar waves between wall 1 and the foundation beam 2 described in being arranged in, and passes through anchor
6 connect with foundation beam 2, are connect by embedded sleeve barrel 7 with the wall 1 that waves, while providing rotational stiffness, based on certainly
Body martensite-austenite phase transition characteristic waves wall under geological process and provides energy-dissipating property and Self-resetting performance；The constraint
Sleeve 5 is installed on 4 side of shape memory alloy bar and wraps the shape memory alloy bar, which can constrain
Shape memory alloy bar compressive buckling, to effectively improve the ductility and bearing capacity when shape memory alloy bar is pressurized；It is described to shake
Pendulum 1 two sides of wall are disposed with main body frame 8, are connected by damper between wall described in 5 groups between them, are damped between the wall
Device selects metal yield type damper, which can increase the energy dissipation capability for waving wall；The friction wall 10 with
Foundation beam 2 is fixedly connected, and relative dislocation deformation is generated when waving wall 1 and waving, between them, to generate friction consumption ground
Shake energy；The shape memory alloy bar applies pretightning force by way of super threading, to overcome the return of these dampers
Resistance.
In the embodiment, " mode of super threading " refers to that the both ends of shape memory alloy bar are to be threadedly coupled
Shape memory alloy bar, per twisting a few circle screw threads, shape memory alloy bar will be stretched certain length, to answer in generating more
Power, i.e., pre- tension stress；It is similar with steel strand wires in advance；" super " described here refers to twists several circles more.
The wall connecting system 3 is up-side down triangle leverage, and rod piece is rectangular section, and material is steel；
Described wave between wall 1 and the foundation beam 2 is hingedly that hinge joint is located at the top flange 2-1's of the foundation beam 2
Outside.
It is two groups that the shape memory alloy bar 4, which is divided to, and every group of shape memory alloy bar 4 can be set more, particular number
Several marmems can be configured according to actual requirement.Such as the wall connecting system can be symmetrically arranged in every group 2
3 with the two sides hinge joint 3-1 of the foundation beam 2；One end of every shape memory alloy bar 4 and the wall 1 that waves pass through in advance
It is embedded in the embedded sleeve barrel 7 waved in wall 1 to connect, the other end is connect with the foundation beam 2 by the anchor 6.
Preferably, as shown in figure 3, the shape memory alloy bar 4 is designed to: middle part is to weaken area 4-1, and both ends are anchorage zone 4-2, is cut
Transition region 4-3 is equipped between weak area and anchorage zone.Wherein: the cross sectional shape for weakening area 4-3 can be circle；Anchorage zone 4-2 is carved
There is screw thread；And the minimum net section product of anchorage zone 4-2 is greater than the minimum net section product for weakening area 4-1.
Preferably, the shape memory alloy bar 4 uses Ni-Ti alloy material.The permission of the shape memory alloy bar 4
Deflection should be greater than the maximum deformation quantity under design reference earthquake.
When the shape memory alloy bar 4 is connect with the anchor 6,6 two sides of anchor configure bolt
To guarantee that by the axial force of any direction relative displacement does not occur for anchor plate 6 and shape memory alloy bar 4.
Preferably, the anchor 6 is L shape, and is provided with stiffening plate 6-3 between two wing plate 6-1 and 6-2.
Preferably, the embedded sleeve barrel 7 is cylindrical sleeve, and inside is provided with and the shape memory alloy bar anchorage zone 4-
1 screw thread being harmonious.
Preferably, the constraint sleeve 5 is installed on 3 side of shape memory alloy bar and wraps the shape memory
Alloy bar 3.
Preferably, the constraint sleeve 5 is the cylindrical body that middle part is provided with circular cross-section elongated slot；Wherein, the long groove groove wall
Weaken area's outer wall with the shape memory alloy bar and sees that there are the gaps 2mm.
Preferably, the length of the constraint sleeve 5 is less than the length that the shape memory alloy bar 4 weakens section 4-1, length
Degree difference should be slightly less than the design permissible deformation value of shape memory alloy bar.
Preferably, there are main body frame 8 in 1 two sides of wall of waving；The wall 1 that waves passes through with two sides main body frame 8
Metal yield type damper 9 connects.It is two groups that metal yield type damper 9, which is divided to, and every group of setting is multiple, as shown, every group can
It with setting 5, is symmetrically arranged in and waves 1 two sides of wall, to guarantee that the reciprocal behavior for waving wall is symmetrical.
Further, the friction wall 10 waves the parallel arrangement of wall 1 with described, and friction wall 10 requires to fix not
It is dynamic；Specific connection type can refer to Fig. 6, and bottom is fixedly connected with foundation beam 2, top and the fixed company of other device
It connects, connection need to guarantee when side-move distortion occurs for structure, without relative displacement between the friction wall and foundation beam 2.
Further, the friction wall 10 and the setting friction plate 11 between waving wall 1.Preferably, friction plate 11 can
Using aluminum friction plate.
The shape memory alloy bar 4 applies enough pretightning forces by way of super threading, to overcome the damper
Reset resistance.
Under normal operating condition, this, which waves wall, can have preferable bearing capacity.When earthquake occurs, wall is waved around hinge
Contact rotates relative to foundation beam, and the shape memory alloy bar positioned at center of rotation two sides is made to be respectively at tension and compression
State and earthquake energy.Meanwhile between wall damper due between wall and main body frame dislocation deformation and consume earthquake
Energy waves and generates relative dislocation deformation realization friction energy-dissipating between wall and friction wall.If structure is in suitable environment temperature,
Due to marmem self-characteristic, after geological process removal, shape memory alloy bar is replied in original position, and pretightning force can
Damper resets between overcoming the reset resistance of damper between wall to make wall, entirely waves wall without residual deformation.And due to shape
Memory alloy bar is arranged symmetrically relative to center of rotation, and the hysteretic behavior waved when wall moves back and forth is symmetrical.And if structure is in
In low temperature environment, the performance degradation of marmem is the performance of common metal, this waves wall and will show under geological process
Tradition waves the behavior of wall without losing initial stiffness out.If waving deformation of the wall experience beyond design allowed band, even if
Shape memory alloy bar generates residual deformation, still can behave as tradition when waving wall and undergoing the deformation less than residual deformation again
The characteristic for waving wall, without losing initial stiffness.Meanwhile this waves wall and also there is shape memory alloy self-resetting to wave wall
General advantage, including energy consumption and self-resetting capability it is good, construction and construction technology it is simple, allow deformation range it is big, wall is waved after shake
Without repairing, durability and anti-fatigue performance are good, overall economic efficiency height etc..
On the other hand, the present invention provides a kind of steel building, and the steel building includes above-mentioned based on buckling-restrained
The self-resetting swinging wall of shape memory alloy bar material.Steel building of the invention waves wall energy-dissipating property due to this kind having
It is good, therefore when geological process occurs, the energy for inputting primary structural member is smaller, can effectively protect structural elements；Due to shape
The superior super-elasticity of shape memory alloys material, residual deformation is minimum to provide for the building reparation after shake after geological process
It is convenient；Importantly, such building will not be lost just after the geological process beyond design reference intensity and at low temperature
Degree, and such more existing Self-resetting architectural construction of building is simpler, it is more convenient to construct, and can effectively ensure that Construction Quality.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of self-resetting swinging wall based on buckling-restrained shape memory alloy bar material, which is characterized in that by waving wall, base
Plinth beam, wall connecting system, shape memory alloy bar, constraint sleeve, anchor, embedded sleeve barrel, main body frame or wall and wall
Damper device is constituted between body, in which: described to wave wall and connect with the foundation beam by wall connecting system of wall connecting system, the wall
Body connection system should ensure that wall and foundation beam is directly hinged, and there are sufficient rotation spaces to wave wall；The shape
Memory alloy bar waves between wall and the foundation beam described in being arranged in, and bottom is connect by anchor with foundation beam,
Top wall connecting is waved with described by embedded sleeve barrel；The constraint sleeve is installed on the shape memory alloy bar side simultaneously
Wrap the shape memory alloy bar；The wall two sides of waving are disposed with main body frame or wall, if passing through between the two
Damper connects between the dry group wall；The friction wall and the wall that waves are arranged in parallel, and the friction wall is fixed not
It is dynamic；It the friction wall and described waves between wall equipped with friction plate.
2. the self-resetting swinging wall as described in claim 1 based on buckling-restrained shape memory alloy bar material, which is characterized in that
The shape memory alloy bar is divided into two groups, is symmetrically arranged in the hinge joint two sides of the wall connecting system Yu the foundation beam；
Every group includes the more shape memory alloy bars for being vertically arranged and being parallel to each other, one end of every shape memory alloy bar with it is described
It waves wall and waves the intracorporal embedded sleeve barrel connection of wall by being embedded in advance, the other end and the foundation beam pass through the anchoring
Device or embedded sleeve barrel connection.
3. the self-resetting swinging wall as described in claim 1 based on buckling-restrained shape memory alloy bar material, which is characterized in that
To weaken area in the middle part of the shape memory alloy bar, both ends are anchorage zone, weaken and are equipped with transition region between area and anchorage zone.
4. the self-resetting swinging wall as claimed in claim 3 based on buckling-restrained shape memory alloy bar material, which is characterized in that
Weakening area's cross sectional shape is round or rectangle.
5. the self-resetting swinging wall as claimed in claim 4 based on buckling-restrained shape memory alloy bar material, which is characterized in that
The anchorage zone should be carved with screw thread；And anchorage zone minimum net section product should be greater than weakening area's minimum net section product.
6. the self-resetting swinging wall as described in claim 1 based on buckling-restrained shape memory alloy bar material, which is characterized in that
The constraint sleeve be middle part be provided with the shape memory alloy bar weaken the cylindrical body of elongated slot that area section matches or
Rectangular parallelepiped structure；Wherein, weaken between area's outer wall should there are gaps for the long groove groove wall and the shape memory alloy bar.
7. the self-resetting swinging wall as described in claim 1 based on buckling-restrained shape memory alloy bar material, which is characterized in that
The constraint sleeve directly can be selected two pieces of steel plate splicings for being provided with elongated slot and form；It is collectively formed by the elongated slot of two blocks of steel plates described
Constrain the inside groove of sleeve.
8. the self-resetting swinging wall as described in claim 1 based on buckling-restrained shape memory alloy bar material, which is characterized in that
The length of the constraint sleeve should be slightly less than the shape memory alloy bar and weaken segment length, and length difference should be slightly less than shape note
Recall the design permissible deformation value of alloy bar.
9. the self-resetting swinging wall as described in claim 1 based on buckling-restrained shape memory alloy bar material, which is characterized in that
Gap between the constraint sleeve inside groove and the shape memory alloy bar should fill non-cohesive material.
10. a kind of steel building, which is characterized in that including the above-mentioned Self-resetting based on buckling-restrained shape memory alloy bar material
Wave wall.
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| CN109811881A (en) * | 2019-03-22 | 2019-05-28 | 青岛理工大学 | Full-assembly type frame structure system |
| CN112282473A (en) * | 2020-10-29 | 2021-01-29 | 北京工业大学 | Shape memory alloy semi-active tuned mass damper |
| CN115522654A (en) * | 2022-10-28 | 2022-12-27 | 山东华科规划建筑设计有限公司 | Composite energy dissipation connecting structure for swinging wall bottom |
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| CN115522654B (en) * | 2022-10-28 | 2024-05-17 | 山东华科规划建筑设计有限公司 | Composite energy dissipation connecting structure for bottom of swinging wall |
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