CN107740626B - A kind of expansion cross-shaped steel SRC column with multistage composite damper - Google Patents
A kind of expansion cross-shaped steel SRC column with multistage composite damper Download PDFInfo
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- CN107740626B CN107740626B CN201710781066.2A CN201710781066A CN107740626B CN 107740626 B CN107740626 B CN 107740626B CN 201710781066 A CN201710781066 A CN 201710781066A CN 107740626 B CN107740626 B CN 107740626B
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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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- 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
Abstract
The invention discloses a kind of expansion cross-shaped steel SRC column with multistage composite damper, including expanding cross-shaped steel SRC column, it further include concave pedestal, expand and be fixedly connected with pedestal inner bottom surface center in the middle part of the bottom surface of cross-shaped steel SRC column, the bottom surface both side for expanding cross-shaped steel SRC column is connect by two rubber skidding with pedestal inner bottom surface；One group of multistage composite damper is connected separately between the suspension column side wall of the corresponding suspension column two sides of two rubber skidding and the inner wall of two sides of base, two groups of multistage composite dampers are symmetrical arranged according to the line of bottom center up and down for expanding cross-shaped steel SRC column.SRC column provided by the invention is by separating column outer side bottom surface and pedestal with rubber skidding, form half swing column, earthquake motion effect is kept apart with column, reduce the earthquake ground motion acceleration in input column, mitigate the destruction of column, have the damper of two-stage energy-consuming device, it can be achieved that higher damping efficiency in suspension column setting.
Description
Technical field
The invention belongs to civil structure vibration control fields, are related to a kind of expansion cross-shaped steel SRC column, and in particular to a kind of
Expansion cross-shaped steel SRC column with multistage composite damper.
Background technique
High level, super high-rise building are more and more at present, the shockproof requirements of structure are also increased accordingly, in earthquake-resistant structure skill
In terms of art, ordinary reinforced concrete columns bearing capacity is small, rigidity is small, anti-seismic performance is poor, suspension column destructible after shake, from improvement structure
Itself anti-seismic performance is set about, and steel reinforced concrete (abbreviation SRC) structure has given full play to the excellent spy of steel Yu two kinds of materials of concrete
Property, bearing capacity, rigidity and good ductility with higher and energy dissipation capacity under geological process, have become at present it is high-rise and
The structure type that super high-rise building is preferentially selected.Currently, the SRC column in Practical Project is mainly I-shaped or core fashioned iron is cut
Face, this tradition shaped-steel layout cannot provide operative constraint to core concrete, and anti-seismic performance is mentioned compared with ordinary reinforced concrete column
It is high few, and its limit value of axial compression ratio is lower, use scope is limited, and column foot concrete can be crushed, and indulges muscle external drum, fashioned iron
Due to cannot get the protection of concrete serious buckling occurs for the edge of a wing, suspension column as a position formed a connecting link in structure,
Total antidetonation is played a very important role, the proposition of energy-dissipating and shock-absorbing is necessary.Therefore, should consider to make building for design
Build has expected anti-seismic performance and degree of safety under the geological process that future may occur, thus by the seismic damage loss control of building
System is in expected range, and the structure that does not occur to destroy in earthquake or can repair rapidly after destroying is designed in consideration again,
Whole building is set to have the function of to restore, this is one of the important research direction of sustainable development earthquake resistant engineering.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of with multistage composite damper
Expand cross-shaped steel SRC column, overcomes existing reinforced column anti-seismic performance poor, the defect of suspension column destructible after shake.
In order to solve the above-mentioned technical problem, the present invention is realised by adopting the following technical scheme:
A kind of expansion cross-shaped steel SRC column with multistage composite damper, including expand cross-shaped steel SRC column, also wrap
Concave pedestal is included, pedestal inner bottom surface center is fixedly connected in the middle part of the bottom surface of the expansion cross-shaped steel SRC column, is expanded cross
The bottom surface both side of steel SRC column is connect by two rubber skidding with pedestal inner bottom surface；
The suspension column side wall and pedestal two of the corresponding suspension column two sides for expanding cross-shaped steel SRC column of two rubber skidding
One group of multistage composite damper is connected separately between the inner wall of side, two groups of multistage composite dampers are to expand cross-shaped steel SRC
The line of bottom center up and down of column is symmetrical arranged for symmetry axis.
The present invention also has following distinguishing feature:
The suspension column side wall is connect by suspension column connecting plate with one end of multistage composite damper；The suspension column connection
Plate is square, and the quadrangle of suspension column connecting plate is bolted on suspension column side wall, the quadrangle of suspension column connecting plate and centre bit
Set the one end for being separately connected a multistage composite damper；Square connecting plate is fixed between the bolt and suspension column side wall
Gasket, the bolt are four, are individually fixed in the quadrangle of connecting plate gasket, connecting plate gasket center opens up spherical groove.
The base internal wall is connect by pedestal connecting plate with one end of multistage composite damper；The pedestal connection
Plate is square, and the quadrangle of pedestal connecting plate is bolted on base internal wall, the quadrangle of pedestal connecting plate and centre bit
Set the other end for five multistage composite dampers being separately connected on suspension column connecting plate；It is solid between the bolt and base internal wall
Surely there is a square connecting plate gasket, the bolt is four, the quadrangle of connecting plate gasket is individually fixed in, in connecting plate gasket
The heart opens up spherical groove.
The center of the suspension column connecting plate and the center of pedestal connecting plate are in sustained height, and on center
The both ends line of multistage composite damper is perpendicular to suspension column connecting plate and pedestal connecting plate.
The multistage composite damper includes cylindrical outer chamber, and the center of the upper bottom surface of cylindrical outer chamber is respectively pacified
Equipped with a pull rod, one end of pull rod is fixedly connected with a spherical universal ball end, and the universal sphere is mounted on described
In spherical groove, the other end of pull rod is the end of thread, and the end of thread is equipped with screw thread and protrudes into inside outer chamber, and outer chamber inner wall is equipped with
The direction of two sliding slots, sliding slot bottom center's line above and below outer chamber is laid, and the length of sliding slot is equal to cylindrical outer
The interior height of cavity；The upper bottom surface inner wall of the outer chamber is bonded with buffer layer.
Preferably, the buffer layer is made of rubber material, buffer layer with a thickness of 20mm.
There are two identical cylindrical cavity body, inner chamber body outer wall is set there are two draw runner the outer chamber nested inside,
For two draw runners respectively with two sliding slot slidable connections on outer chamber inner wall, inner chamber body inner wall is bonded with buffering
Layer；Multistage spring is fixedly connected on inner chamber body inner bottom surface between two inner chamber bodies.
The end of thread of the pull rod is fixed in inner chamber body outer bottom center by nut, the inner chamber body outer bottom
It is fixed between the buffer layer on the inner chamber body bottom surface of outer chamber bottom surface, nut and inner chamber body outer bottom inner wall for inner chamber body
Gasket.
Particle swarm is housed, the particle swarm is by several spheric granules groups of different sizes inside the inner chamber body
At the diameter range of spheric granules is 1~30mm.
The multistage composite damper and its component are detachable.
The expansion cross-shaped steel SRC column includes concrete column, and the tie hoop of square is arranged in concrete column,
Further include vertical muscle, vertical muscle is laid in the quadrangle of tie hoop along the longitudinal direction of tie hoop frame respectively, tie hoop with
Setting is in the cross-shaped steel of cross distribution in the frame that vertical muscle is constituted, and is respectively perpendicular the type of being provided in four ends of cross-shaped steel
The steel edge of a wing, the outside of section steel flange and the medial surface of tie hoop are affixed.
Compared with prior art, the present invention having the following technical effect that
(I) the expansion cross-shaped steel SRC column provided by the invention with multistage composite damper expands ten using improved
Shaped steel section increases the area of constrained concrete, further improves the bearing capacity and deformation performance of column, pass through by
Column outer side bottom surface and pedestal are separated with rubber skidding, form half swing column, earthquake motion effect is kept apart with column, reduce input
Earthquake ground motion acceleration in column mitigates the destruction of column, has the damper of two-stage energy-consuming device, it can be achieved that higher in suspension column setting
Damping efficiency, by adjusting spring and particle swarm quantity, gradation etc., it is initially rigid can be arranged according to different structure for damper
Degree and damped coefficient, the placement multistage composite damper of different location, different angle can make it preferably be suitable for different knots
Structure, multistage composite damper are connect by bolt with column and pedestal, and quick-replaceable can be achieved after destruction.
(II) the expansion cross-shaped steel SRC column provided by the invention with multistage composite damper, using fashioned iron, reinforcing bar with
The principle that concrete cooperates, substantially increases bearing capacity, rigidity and the anti-seismic performance of column, under higher vertical load,
Even if vertical muscle external drum surrender and section steel flange local buckling, the vertical bearing capacity of column is still relatively stable, is entering elastoplasticity rank
After section there is continuation bearing load and the anti-fall ability collapsed, improved shaped-steel layout to increase the area of constrained concrete, it can
To be obviously improved the bearing capacity and deformation performance of column.
(III) it is connected by rubber skidding with pedestal in expansion cross-shaped steel SRC column bottom surface both side, partly waves expansion cross
Still it is connected with pedestal in the middle part of fashioned iron SRC column bottom surface, locally loosens and constrained between suspension column and pedestal, makes column bottom two sides and basic contact surface
Place only has compression capability without tension ability, under the effect of horizontal tilting moment, superstructure is allowed to send out at basic interface
Raw certain lifting, then column waves two sides under geological process, by self-weight reset, forms half swing column.On the one hand, column
Wave the Ductility Design demand that can reduce geological process and column itself, reduce eaerthquake damage, on the other hand saving construction cost subtracts
Tension design requirement of the small basis under tilting moment effect, has saved foundation cost.
(IV) expand cross-shaped steel SRC column foot and multistage composite damper is installed, the carrying to cross-shaped steel SRC column is expanded
Ability weakening is smaller, and energy dissipation capacity is far longer than the energy dissipation capacity of the former suspension column being replaced, and can concentrate consumption externally inputly
Energy is shaken, protection suspension column is not bad.Since the axial force that each multistage composite damper is born is either positive or reversed,
It is interior multistage spring can generate flexible deformation, inner chamber body endoparticle group can also be consumed energy by frictional impact, both ends it is universal
Bulb is free to rotate, therefore horizontal direction component, vertical component and the torsion point of seismic wave can be isolated in multistage composite damper
Amount, reaches better damping effect.The original state that contained spring is controlled by changing the length of precompressed pull rod is i.e. changeable
The initial stiffness of each multistage composite damper, therefore the initial rigid of each damper can be calculated according to different structure needs
Degree, and then guarantee that the multistage composite damper is suitble to different structures.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the schematic bottom view of expansion cross-shaped steel SRC column of the invention.
Fig. 3 is expansion cross-shaped steel SRC rod structure schematic diagram of the invention.
Fig. 4 is the connection schematic diagram of multistage composite damper and connecting plate of the invention.
Fig. 5 is the connection schematic diagram of multistage composite damper and connecting plate of the invention.
Fig. 6 is the connection sectional view of universal ball end and connecting plate of the invention.
Fig. 7 is the sectional view of multistage composite damper of the invention.
Fig. 8 is inner chamber body schematic diagram of the invention.
The meaning of each label in figure are as follows: 1- expands cross-shaped steel SRC column, 2- pedestal, 3- rubber skidding, 4- multistage composite
Damper, 5- suspension column connecting plate, 6- bolt, 7- connecting plate gasket, 8- spherical groove, 9- pedestal connecting plate, 10- buffer layer, 11- are more
Grade spring；
(1-1)-suspension column, (1-2)-suspension column side wall, (1-3)-concrete column, (1-4)-tie hoop, (1-5)-indulge muscle,
(1-6)-cross-shaped steel, (1-7)-section steel flange；
(4-1)-outer chamber, (4-2)-pull rod, (4-3)-universal ball end；
(4-4)-end of thread, (4-4-1)-nut；
(4-5)-sliding slot；
(4-6)-inner chamber body, (4-6-1)-inner chamber body inner bottom surface, (4-6-2)-inner chamber body outer bottom, (4-6-3)-particle
Group；
(4-7)-draw runner；(4-8)-gasket.
Explanation is further explained in detail to particular content of the invention with reference to embodiments.
Specific embodiment
A kind of expansion cross-shaped steel SRC column with multistage composite damper of the invention, including expand cross-shaped steel SRC
Column 1 further includes concave pedestal 2, expands and is fixedly connected with 2 inner bottom surface center of pedestal in the middle part of the bottom surface of cross-shaped steel SRC column 1, expands
The bottom surface both side of cross-shaped steel SRC column 1 is connect by two rubber skidding 3 with 2 inner bottom surface of pedestal, locally loosen suspension column 1-1 and
Constrained between pedestal 2, make expand cross-shaped steel SRC column 1 bottom surface both side and 2 contact surface of pedestal at only have compression capability and without tension
Ability then expands the two sides under geological process of cross-shaped steel SRC column 1 and waves, and by self-weight reset, forms half swing column,
The Ductility Design demand that can reduce geological process and itself of waving for expanding cross-shaped steel SRC column 1, reduces eaerthquake damage, saves
Cost.It is separately connected between the inner wall of 2 two sides suspension column side wall 1-2 and pedestal of two 3 two sides corresponding suspension column 1-1 of rubber skidding
There is one group of multistage composite damper 4, two groups of multistage composite dampers 4 are according to the upper bottom for expanding cross-shaped steel SRC column 1
The face line of centres is symmetrical arranged, and the bearing capacity of 4 pairs of multistage composite damper expansion cross-shaped steel SRC columns 1 weakens smaller, multistage
The bearing capacity of composite buffer 4 remains basically stable with the suspension column 1-1 being replaced, and after installing multistage composite damper 4, expands
The anti-side deformability of grand cross fashioned iron SRC column 1 is promoted, and energy dissipation capacity is far longer than the consumption of the former suspension column 1-1 being replaced
Energy ability, can concentrate the externally input seismic energy of consumption, and protection suspension column 1-1 is not bad.
Expanding cross-shaped steel SRC column 1 includes concrete column 1-3, and the tie hoop of square is arranged in concrete column 1-3
1-4, further includes vertical muscle 1-5, and vertical muscle 1-5 is laid in the four of tie hoop 1-4 along the longitudinal direction of tie hoop 1-4 frame respectively
Angle, setting is in the cross-shaped steel 1-6 of cross distribution in the frame that tie hoop 1-4 and vertical muscle 1-5 is constituted, in cross-shaped steel 1-
6 four ends, which are respectively perpendicular, is provided with section steel flange 1-7, the outside of section steel flange 1-7 and the medial surface phase of cross-shaped steel 1-6
Patch, improved shaped-steel layout increase the area of constrained concrete, can be obviously improved and expand holding for cross-shaped steel SRC column 1
Loading capability and deformation performance, cross-shaped steel 1-6 have certain restriction ability to concrete column 1-3, and concrete column 1-3 can be preferably
The local buckling of nonproliferation grand cross fashioned iron SRC column 1 utilizes cross-shaped steel 1-6, vertical muscle 1-5, tie hoop 1-4 and concrete column
The principle that 1-3 cooperates substantially increases bearing capacity, rigidity and the anti-seismic performance for expanding cross-shaped steel SRC column 1, higher
Vertical load under, even if the surrender of vertical muscle 1-5 external drum and section steel flange 1-7 local buckling, expand the perpendicular of cross-shaped steel SRC column 1
It is still relatively stable to bearing capacity, there is bearing load and the anti-fall ability collapsed of continuing, the present invention after entering elastic-plastic phase
In expansion cross-shaped steel SRC column 1 can satisfy the shockproof requirements of " no collapsing with strong earthquake " completely, can guarantee under story drift perpendicular
Very little is lost to bearing capacity, there is good plastic deformation and energy dissipation capacity, and substantially without sliding, without failure by shear.
Multistage composite damper 4 passes through the Various Components such as multistage spring 11, particle swarm 4-6-3 and absorbs seismic energy, thus
Achieve the effect that energy consumption, guarantee expand cross-shaped steel SRC column bearing capacity is unlikely be cut in too many while, protection expand ten
Shaped steel SRC column is not destroyed, and 4 stress of multistage composite damper is simple, applied widely, has good deformability, is broken
It can also be achieved quick-replaceable after bad, help structure earthquake energy, realizing improves bearing capacity and deformation performance, sufficiently consumes energy
The purpose quickly repaired with function of seismic resistance after shake.Under weak wind shake and small earthquake effect, the present invention can provide for building main body
Additional additional stiffness resists the effects of external loads, and the integrality of retainer body structure avoids main structure body from occurring internal
Damage, under the action of high wind vibration and violent earthquake, the present invention then starts yield deformation, is damped by multistage composite in anti-seismic structure
The damping action of device makes main structure body be unlikely to be seriously damaged in high wind vibration and violent earthquake even come the external energy that dissipates
It collapses, the present invention is able to maintain rigidity under the action of external weak load, does not deform, can deform under the action of external intense loading lotus
Energy consumption.
Specific embodiments of the present invention are given below, it should be noted that the invention is not limited to implement in detail below
Example, all equivalent transformations made on the basis of the technical solutions of the present application each fall within protection scope of the present invention.
Embodiment 1:
In compliance with the above technical solution, as shown in Figures 1 to 8, the present embodiment provides a kind of with multistage composite damper
Expand cross-shaped steel SRC column, including expand cross-shaped steel SRC column 1, further include concave pedestal 2, expands cross-shaped steel SRC column 1
2 inner bottom surface center of pedestal is fixedly connected in the middle part of bottom surface, the bottom surface both side for expanding cross-shaped steel SRC column 1 passes through two rubber skidding 3
It is connect with 2 inner bottom surface of pedestal；The suspension column side wall 1-2 of two 3 two sides corresponding suspension column 1-1 of rubber skidding is interior with 2 two sides of pedestal
One group of multistage composite damper 4 is connected separately between wall, two groups of multistage composite dampers 4 are to expand cross-shaped steel SRC column 1
Upper and lower bottom center's line is symmetrical arranged for symmetry axis.Expanding cross-shaped steel SRC column 1 includes concrete column 1-3, in concrete column
The tie hoop 1-4 of square is set in 1-3, further includes vertical muscle 1-5, indulges muscle 1-5 along the longitudinal direction of tie hoop 1-4 frame
It is laid in the quadrangle of tie hoop 1-4 respectively, setting is in cross distribution in the frame that tie hoop 1-4 and vertical muscle 1-5 is constituted
Cross-shaped steel 1-6, be respectively perpendicular in four ends of cross-shaped steel 1-6 and be provided with section steel flange 1-7, section steel flange 1-7's
Outside and the medial surface of tie hoop 1-4 are affixed.
In the present embodiment, suspension column side wall 1-2 is connect by suspension column connecting plate 5 with one end of multistage composite damper 4；Suspension column
Connecting plate 5 is square, and the quadrangle of suspension column connecting plate 5 is fixed on suspension column 1-1 side wall by bolt 6, and the four of suspension column connecting plate 5
Angle and center are separately connected one end of a multistage composite damper 4；It is fixed with just between bolt 6 and suspension column side wall 1-2
Square connecting plate gasket 7, the bolt 6 are four, the quadrangle of connecting plate gasket 7 are individually fixed in, in connecting plate gasket 7
The heart opens up spherical groove 8.2 inner wall of pedestal is connect by pedestal connecting plate 9 with one end of multistage composite damper 4；Pedestal connecting plate 9
It is square, the quadrangle of pedestal connecting plate 9 is fixed on 2 inner wall of pedestal by bolt 6, the quadrangle and center of pedestal connecting plate 9
Position is separately connected the other end of five multistage composite dampers 4 on suspension column connecting plate 5；It is solid between 2 inner wall of bolt 6 and pedestal
Surely there is a square connecting plate gasket 7, bolt 6 is four, the quadrangle of connecting plate gasket 7 is individually fixed in, in connecting plate gasket 7
The heart opens up spherical groove 8.The center of suspension column connecting plate 5 and the center of pedestal connecting plate 9 are in sustained height, and on center
Multistage composite damper 4 both ends line perpendicular to suspension column connecting plate 5 and pedestal connecting plate 9.
Multistage composite damper 4 includes cylindrical outer chamber 4-1, and the center of the upper bottom surface of cylindrical outer chamber 4-1 is each
One pull rod 4-2 is installed, one end of pull rod 4-2 is fixedly connected with a spherical universal ball end 4-3, and universal ball end 4-3 can be protected
Card multistage composite damper 4 can be connect with any angle with suspension column 1-1 and pedestal 2.
Universal ball end 4-3 is mounted on 8 in spherical groove, and the other end of pull rod 4-2 is end of thread 4-4, and end of thread 4-4 is equipped with spiral shell
It line and protrudes into inside outer chamber 4-1, outer chamber 4-1 inner wall sets that there are two sliding slot 4-5, sliding slot 4-5 to go to the bottom along outer chamber 4-1
The direction of the face line of centres is laid, and the length of sliding slot 4-5 is equal to the interior height of cylindrical outer chamber 4-1.
The upper bottom surface inner wall of outer chamber 4-1 is bonded with buffer layer 10, is rushed with reducing inner chamber body 4-6 to outer chamber 4-1
Hit, outer chamber 4-1 prevented to be damaged, in the present embodiment, buffer layer 10 is made of rubber material, buffer layer 10 with a thickness of
20mm, preferably to absorb energy.
For outer chamber 4-1 nested inside there are two identical cylindrical cavity body 4-6, inner chamber body 4-6 outer wall sets that there are two sliding
4-7, two draw runner 4-7 are slidably connected with two sliding slot 4-5 on outer chamber 4-1 inner wall respectively, in inner chamber body 4-6
Wall is bonded with buffer layer 10, while promoting the energy consumption of particle swarm 4-6-3 motion collision, can also reduce noise；Two inner chamber body 4-6
Between inner chamber body inner bottom surface 4-6-1 on be fixedly connected with multistage spring 11, the number and frequency of multistage spring 11 can be according to knots
Structure characteristic is reasonably combined, and the end of thread 4-4 of pull rod 4-2 is fixed in the center inner chamber body outer bottom 4-6-2 by nut 4-4-1,
The inner chamber body outer bottom 4-6-2 is inner chamber body 4-6 bottom surface of the inner chamber body 4-6 close to the bottom surface outer chamber 4-1, nut 4-4-1
Gasket 4-8 is fixed between the buffer layer 10 on inner chamber body outer bottom 4-6-2 inner wall.Particle swarm is housed inside inner chamber body 4-6
4-6-3, the particle swarm 4-6-3 are made of several spheric granules of different sizes.Make in dynamic loads such as earthquake loads
Under, the deformation for expanding cross-shaped steel SRC column 1 can drive inner chamber body 4-6 to slide up and down in sliding slot 4-5 by pull rod 4-2, fill
Shunt excitation is sent out between the particle swarm 4-6-3 in inner chamber body 4-6 or the frictional impact energy consumption of particle swarm 4-6-3 and inner chamber body 4-6 inner wall,
Two inner chamber body 4-6 drive that multistage springs 11 stretch or compression absorbs energy, multistage 11 frequency of spring it is reasonably combined, can meet
The damping frequency of wider scope, two-stage linkage can also obtain better damping energy consumption effect.Multistage composite damper 4 and its component
It is detachable, convenient for quick-replaceable and recovery after destruction.
Preferably, the diameter range of spheric granules is 1~30mm to one kind as the present embodiment, and uniform grain composition makes
Intergranular gap is smaller, is conducive to energy by collision, while can reduce the resonant frequency of system, since energy dissipation coefficient increases with partial size
Reduce greatly, the probability that excessive grain diameter can make structure that harmful collision occur in vibration processes increases, therefore preferably uses
The lesser particle of diameter, damping effect is more preferable when small diameter particles are more.Amounts of particles is more, and granular pile height is higher,
The energy of collision and frictional dissipation is more under same acceleration, but the distance of bottom surface is not closer on particle to inner chamber body 4-6
It is better, when in horizontal positioned multistage composite damper, inner chamber body 4-6 top layer's particle to inner chamber body inner wall maximum distance be maximum
At 1.6~3.6 times of spherical particle diameters, damper response is minimum, and damping effect is preferable.
Claims (7)
1. a kind of expansion cross-shaped steel SRC column with multistage composite damper, which is characterized in that including expanding cross-shaped steel
SRC column (1) further includes concave pedestal (2), is fixedly connected with pedestal in the middle part of the bottom surface of the expansion cross-shaped steel SRC column (1)
(2) inner bottom surface center, the bottom surface both side for expanding cross-shaped steel SRC column (1) pass through two rubber skidding (3) and pedestal (2) interior bottom
Face connection；
The suspension column side wall of the corresponding two sides suspension column (1-1) for expanding cross-shaped steel SRC column (1) of two rubber skidding (3)
One group of multistage composite damper (4), two groups of multistage composite dampings are connected separately between the inner wall of the two sides (1-2) and pedestal (2)
Device (4) is symmetrical arranged using the line of bottom center up and down for expanding cross-shaped steel SRC column (1) as symmetry axis；
The suspension column side wall (1-2) is connect by suspension column connecting plate (5) with one end of multistage composite damper (4)；Described
Suspension column connecting plate (5) is square, and the quadrangle of suspension column connecting plate (5) is fixed on suspension column (1-1) side wall by bolt (6), column
The quadrangle and center of foot connecting plate (5) are separately connected one end of a multistage composite damper (4)；The bolt (6)
Square connecting plate gasket (7) is fixed between suspension column side wall (1-2), the bolt (6) is four, the company of being individually fixed in
The quadrangle of fishplate bar gasket (7), connecting plate gasket (7) center open up spherical groove (8)；
The multistage composite damper (4) includes cylindrical outer chamber (4-1), the upper bottom surface of cylindrical outer chamber (4-1)
Center one pull rod (4-2) is respectively installed, one end of pull rod (4-2) is fixedly connected with a spherical universal ball end (4-3), institute
The universal ball end (4-3) stated is mounted in the spherical groove (8), and the other end of pull rod (4-2) is the end of thread (4-4), screw thread
End (4-4) is equipped with screw thread and to protrude into outer chamber (4-1) internal, and outer chamber (4-1) inner wall sets that there are two sliding slot (4-5), described
Sliding slot (4-5) laid along the direction of outer chamber (4-1) bottom center's line up and down, the length of sliding slot (4-5) is equal to cylinder
The interior height of outer chamber (4-1)；The upper bottom surface inner wall of the outer chamber (4-1) is bonded with buffer layer (10).
2. having the expansion cross-shaped steel SRC column of multistage composite damper as described in claim 1, which is characterized in that described
Pedestal (2) inner wall connect with one end of multistage composite damper (4) by pedestal connecting plate (9)；The pedestal connecting plate
(9) it is square, the quadrangle of pedestal connecting plate (9) is fixed on pedestal (2) inner wall by bolt (6), pedestal connecting plate (9)
Quadrangle and center are separately connected the other end of five multistage composite dampers (4) on suspension column connecting plate (5)；The spiral shell
Square connecting plate gasket (7) is fixed between bolt (6) and pedestal (2) inner wall, the bolt (6) is four, is fixed respectively
In the quadrangle of connecting plate gasket (7), connecting plate gasket (7) center opens up spherical groove (8).
3. having the expansion cross-shaped steel SRC column of multistage composite damper as claimed in claim 2, which is characterized in that described
The center of suspension column connecting plate (5) and the center of pedestal connecting plate (9) be in sustained height, and the multistage on center answer
The both ends line of damper (4) is closed perpendicular to suspension column connecting plate (5) and pedestal connecting plate (9).
4. having the expansion cross-shaped steel SRC column of multistage composite damper as described in claim 1, which is characterized in that described
Outer chamber (4-1) nested inside there are two identical cylindrical cavity body (4-6), inner chamber body (4-6) outer wall sets that there are two sliding
Item (4-7), two draw runners (4-7) are slidably connected with two sliding slots (4-5) on outer chamber (4-1) inner wall respectively, interior
Cavity (4-6) inner wall is bonded with buffer layer (10)；Inner chamber body inner bottom surface (4-6-1) between two inner chamber bodies (4-6)
On be fixedly connected with multistage spring (11).
5. having the expansion cross-shaped steel SRC column of multistage composite damper as claimed in claim 4, which is characterized in that described
The end of thread (4-4) of pull rod (4-2) be fixed in the center inner chamber body outer bottom (4-6-2) by nut (4-4-1), it is described
Inner chamber body outer bottom (4-6-2) is the bottom surface inner chamber body (4-6) of inner chamber body (4-6) close to the bottom surface outer chamber (4-1), nut (4-
4-1) gasket (4-8) is fixed between the buffer layer (10) on inner chamber body outer bottom (4-6-2) inner wall.
6. having the expansion cross-shaped steel SRC column of multistage composite damper as claimed in claim 5, which is characterized in that described
Inner chamber body (4-6) inside be equipped with particle swarm (4-6-3), the particle swarm (4-6-3) is by several spherical shapes of different sizes
Particle composition, the diameter range of spheric granules are 1~30mm.
7. having the expansion cross-shaped steel SRC column of multistage composite damper as described in claim 1, which is characterized in that described
Expansion cross-shaped steel SRC column (1) include concrete column (1-3), the tie hoop of setting square in the concrete column (1-3)
(1-4) further includes vertical muscle (1-5) that vertical muscle (1-5) is laid in spiral hoop along the longitudinal direction of tie hoop (1-4) frame respectively
The quadrangle of muscle (1-4), setting is in the cross-shaped steel of cross distribution in the frame that tie hoop (1-4) and vertical muscle (1-5) is constituted
(1-6) is respectively perpendicular in four ends of cross-shaped steel (1-6) and is provided with section steel flange (1-7), outside section steel flange (1-7)
Side and the medial surface of tie hoop (1-4) are affixed.
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| CN201710781066.2A CN107740626B (en) | 2017-09-01 | 2017-09-01 | A kind of expansion cross-shaped steel SRC column with multistage composite damper |
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| CN107740626B true CN107740626B (en) | 2019-08-02 |
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| CN108335854A (en) * | 2018-03-29 | 2018-07-27 | 安徽金环电气设备有限责任公司 | Power transformer |
| CN108301676B (en) * | 2018-04-10 | 2023-09-22 | 河南理工大学 | Multi-dimensional combined type bearing type anti-seismic joint device |
| CN108951908B (en) * | 2018-07-25 | 2020-09-01 | 西安建筑科技大学 | Frame shear wall structure with swing energy dissipation column |
| CN109057487B (en) * | 2018-08-18 | 2020-07-31 | 青岛义和钢构有限公司 | Steel frame construction stand shock-resistant structure |
| CN109610728B (en) * | 2018-11-19 | 2020-11-13 | 赣州远锦安全科技有限公司 | High-strength steel-concrete prefabricated bearing column |
| CN109610734A (en) * | 2018-12-13 | 2019-04-12 | 长安大学 | A kind of reinforced concrete frame column with runback bit function |
| CN109629749A (en) * | 2019-01-15 | 2019-04-16 | 江苏中谊抗震工程股份有限公司 | A kind of shock insulation column |
| CN109972727B (en) * | 2019-03-22 | 2021-04-27 | 江苏邗建集团有限公司 | Assembled reinforced concrete building |
| CN110206187A (en) * | 2019-07-02 | 2019-09-06 | 西安建筑科技大学 | A kind of hidden historic building structure suspension column multidimensional hanging shock insulation device |
| CN110306682B (en) * | 2019-07-05 | 2021-05-11 | 江苏博拓新型建筑材料有限公司 | Use prefabricated component's of cement prefabricated component assembled building earthquake-resistant structure |
| CN111255069B (en) * | 2020-01-22 | 2021-03-23 | 黄淮学院 | Steel column base structure with cushioning effect |
| CN114427587A (en) * | 2020-09-29 | 2022-05-03 | 中国石油化工股份有限公司 | Side support connecting structure for vibration reduction of high-rise equipment |
| CN114427648A (en) * | 2020-09-29 | 2022-05-03 | 中国石油化工股份有限公司 | Side support connecting structure for vibration reduction of high-rise equipment |
| CN112523425B (en) * | 2020-12-17 | 2022-05-24 | 中国建筑第七工程局有限公司 | Prefabricated heel post of high strength |
| CN112733395B (en) * | 2020-12-24 | 2022-06-14 | 福建工程学院 | Comprehensive evaluation and analysis method for damage to failure of steel reinforced concrete combined member |
| CN113216387A (en) * | 2021-05-18 | 2021-08-06 | 西安建筑科技大学 | Controllable energy consumption swinging column base |
| CN114319087A (en) * | 2022-02-23 | 2022-04-12 | 大连交通大学 | Reinforced concrete pier considering chloride ion erosion and freeze-thaw cycle coupling |
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| FR2554195A1 (en) * | 1983-11-02 | 1985-05-03 | Vanhoutte Daniele | Hydraulic jack device, especially for body-building apparatus. |
| CN201671226U (en) * | 2010-05-25 | 2010-12-15 | 西安建筑科技大学 | Expanded flanged cross-shaped steel SRC column |
| CN103892764B (en) * | 2014-04-14 | 2015-12-23 | 厦门豪帝卫浴工业有限公司 | The rotary buffer that a kind of hydraulic damping is adjustable |
| CN105179557B (en) * | 2015-10-23 | 2018-09-14 | 广东美的厨房电器制造有限公司 | Hydraulic damper and hinge |
| CN106088380B (en) * | 2016-06-20 | 2019-01-22 | 北京建筑大学 | One kind waving energy consumption suspension column |
| CN106351352A (en) * | 2016-10-17 | 2017-01-25 | 安徽信泽科技有限公司 | Three-dimensional pull rod type belleville spring shock insulation support seat |
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Application publication date: 20180227 Assignee: Xi'an Construction Technology University Engineering Co.,Ltd. Assignor: XI'AN University OF ARCHITECTURE & TECHNOLOGY Contract record no.: X2020980010019 Denomination of invention: An enlarged cross SRC column with multistage composite dampers Granted publication date: 20190802 License type: Common License Record date: 20201229 |
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