CN209397989U - The energy-dissipating and shock-absorbing body structure at overhead only column station - Google Patents
The energy-dissipating and shock-absorbing body structure at overhead only column station Download PDFInfo
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- CN209397989U CN209397989U CN201821576610.6U CN201821576610U CN209397989U CN 209397989 U CN209397989 U CN 209397989U CN 201821576610 U CN201821576610 U CN 201821576610U CN 209397989 U CN209397989 U CN 209397989U
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Abstract
The utility model proposes a kind of energy-dissipating and shock-absorbing body structures at overhead only column station, it include: energy dissipating pier stud, the anti-buckling braced frame of bottom, anti-buckling supporting cantilever conversion beam and two layers of shearing coupling beam accentric support frame is added to be used to when earthquake magnitude is less than or equal to default earthquake magnitude between armpit, additional rigidity is provided, and when being greater than default earthquake magnitude, individually or with energy dissipating pier stud, the anti-buckling braced frame of bottom, add any combination in anti-buckling supporting cantilever conversion beam and two layers of shearing coupling beam accentric support frame between armpit, yield situation is entered by elastic stage together, to be plastically deformed, consume the part input energy of earthquake.The energy-dissipating and shock-absorbing body structure is applicable not only to only column overhead station, for the irregular eutectic of same type, certain energy-dissipating and shock-absorbing minor structure in the seismic energy dissipation structure equally can be used in similar antidetonation weak link, to promote restorability after its anti-seismic performance and calamity, there is good promotion prospect.
Description
Technical field
The utility model relates to technical field of structural engineering, in particular to a kind of energy-dissipating and shock-absorbing body knot at overhead only column station
Structure.
Background technique
As shown in Figure 1, overhead platform is usually built in the isolation strip of road center not influence existing urban pavement traffic
Place, lower part bridge structure use only cylindricality formula in road along longitudinal direction, and pier stud crosses out cantilever bent cap as station along two sides and builds
The supporting system of structure, general first floor bent cap support station hall layer, and upper layer bent cap supports station layer, station overall structure likeness in form " dry "
Only column length cantilever structure system of font.Although this kind of structure type can efficiently utilize urban architecture space, because its " on
It is small under big " and " lengthwise cross is short " irregular structure feature, and " Gao Duzhu anti-side " and " long cantilever load-bearing " it is unconventional by
Force mode, is unfavorable for the Aseismic Design of the structural system, seriously restricts overhead only column station in the popularization of highlight lines fortified defence area
And application.
In traditional station structure Aseismic Design, the antidetonation for realization " small earthquakes are not bad, medium ones can be repaired, and large ones cannot fall " is set
Anti- standard meets the different anti-seismic performance requirement of different component, is typically only capable to the performances such as intensity and the rigidity of enhancing structure itself
Index, this is the way of a kind of " just with rigid gram ".This design method depends critically upon main structure component and enters elastoplasticity rank
Deformability and hysteretic energy feature after section are passive passively seismic countermeasures: for the energy dissipation capacity for guaranteeing areas of plasticity hinge,
It usually needing to increase member section or increases sectional reinforcement, this not only consumes construction material, occupies structure usable floor area, but also
The architecture quality and rigidity that increase accordingly may also result in the enhancing of geological process, not have the ability actively adjusted.Once
The key body structure of these storages and earthquake energy input occurs damage or is destroyed under macroseism, be will seriously affect
The whole anti-seismic performance of structural system, maintenance and replacement it is highly difficult be also not easy meet in recent years quake evaluation field proposed
" function restorability after shake " structural performance requirements.Therefore the anti-seismic performance for needing research and development suitable for overhead only column station mentions
The new technology risen further decreases structural damage degree, avoids casualties, reduces economic loss and accelerate functional rehabilitation after calamity
Speed.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.
For this purpose, the purpose of this utility model is that proposing a kind of energy-dissipating and shock-absorbing body structure at overhead only column station.
In order to achieve the above objectives, the utility model proposes the energy-dissipating and shock-absorbing body structures at overhead only column station, comprising: energy dissipating
Pier stud for when earthquake magnitude is less than or equal to the first default earthquake magnitude, providing additional rigidity, and is being greater than the described first default shake
When grade, yield situation is entered by elastic stage, to be plastically deformed, consumes the part input energy of earthquake；Bottom is anti-buckling
Braced frame for when earthquake magnitude is greater than the second default earthquake magnitude, providing additional rigidity, and is being greater than the described second default earthquake magnitude
When, yield situation is entered by elastic stage together with the energy dissipating pier stud, to be plastically deformed, consumes the part input of earthquake
Energy；Add anti-buckling supporting cantilever conversion beam between armpit, for providing additional rigidity when earthquake magnitude is greater than third and presets earthquake magnitude,
And when presetting earthquake magnitude greater than the third, by elastic shape together with the energy dissipating pier stud and the anti-buckling braced frame of the bottom
State enters yield situation, to be plastically deformed, consumes the part input energy of earthquake；Two layers of shearing coupling beam accentric support frame
Frame, for providing additional rigidity, and when being greater than the four default earthquake magnitude when earthquake magnitude is greater than four default earthquake magnitudes, with
Between the energy dissipating pier stud, the anti-buckling braced frame of the bottom and the armpit plus anti-buckling supporting cantilever conversion beam is together by elasticity
State enters yield situation, to be plastically deformed, consumes the part input energy of earthquake.
The energy-dissipating and shock-absorbing body structure at overhead only column station of the utility model, can lift structure safety redundancy, improve
Structure due to the uneven bring torsional effect of Stiffness Distribution in plane, control it is accidentally eccentric caused by construction torsion, reduce because
Longitudinal rigidity it is uneven and caused by cantilever beam torque, under seismology, all kinds of dissipative members can enter yield situation in advance,
By the energy of its stable hysteretic behavior dissipation Seismic input, to reduce the seismic response of main structure system and reduce pass
The damage of key main component, meanwhile, high-strength bolt connection assembled connection type ensure that dissipative member after shake can be more
Transsexual, recoverability of the structure after shake has also obtained great promotion, reduces the rehabilitation cost of structure, ties after accelerating calamity
The resume speed of structure function.
Further, anti-buckling supporting cantilever is added between the energy dissipating pier stud, the anti-buckling braced frame of the bottom, the armpit
It is affixed with main component that conversion beam and two layers of shearing coupling beam accentric support frame pass through high-strength bolt.
Further, the energy dissipating pier stud includes steel core concrete column, Low Yield Point Steel shearing coupling beam and the first connection section
Point, wherein the energy dissipating pier stud is made of adjacent steel core concrete column, and centre is provided with the Low Yield Point Steel shearing and connects
Beam is connected, and the Low Yield Point Steel shearing coupling beam is evenly arranged between the column limb of energy dissipating pier stud, and by stretching out on the inside of column limb
Bracket be connected with column limb by first connecting node.
Further, the energy dissipating pier stud uses double-limb pier structure.
Further, the anti-buckling braced frame of the bottom is longitudinal by bottom steel core concrete column, anti-buckling support, bottom
Girder and the second connecting node composition.
Optionally, the arrangement form of the anti-buckling support uses chevron shaped form, V-shape form, X font form, K word
Type form or single pair angle arrangement form.
Optionally, the anti-buckling support is set to all lower portions of bottom, or is arranged in the part standard width of a room in an old-style house, wherein
There are hinged joint, the hinged joint in the junction that described two layers are sheared coupling beam accentric support frame and the anti-buckling support
One end and two layers of shearing coupling beam accentric support frame it is affixed by securing plate, and the other end of the hinged joint passes through
End is connect with the anti-buckling support by second connecting node.
Further, between the armpit plus anti-buckling supporting cantilever conversion beam by between cantilever conversion beam, armpit it is anti-buckling support and
Third connecting node composition, wherein the connection of between the top and the armpit plus cross-section end bottom of anti-buckling supporting cantilever conversion beam,
And bottom is then connected with the column limb of energy dissipating pier stud.
Further, the height of node position that anti-buckling support connects between the energy dissipating pier stud and the armpit, it is described to disappear
Shearing coupling beam can should be provided on the inside of pier stud, be between the armpit it is anti-buckling support the axle power transmitted by the shearing coupling beam with
The column limb shared.
Further, two layers of shearing coupling beam accentric support frame is by two layers of longitudinal edge-beam, two layers of side column, steel branch
Support, Low Yield Point Steel shearing coupling beam and the 4th connecting node composition.
The additional aspect of the utility model and advantage will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the only column overhead station of tradition in the related technology.
Fig. 2 is the energy-dissipating and shock-absorbing body structural schematic diagram at overhead only column station that the utility model embodiment proposes, wherein
(a) it is front view, (b) is side view；
Fig. 3 is that the energy dissipating pier stud 1 in the energy-dissipating and shock-absorbing body structure at the overhead only column station of the utility model specific embodiment shows
It is intended to；
Fig. 4 is the anti-buckling branch of bottom in the energy-dissipating and shock-absorbing body structure at the overhead only column station of the utility model specific embodiment
2 schematic diagram of support frame frame；
Fig. 5 is between the armpit in the energy-dissipating and shock-absorbing body structure at the overhead only column station of the utility model specific embodiment plus anti-buckling
3 schematic diagram of supporting cantilever conversion beam；
Fig. 6 is two layers of shearing coupling beam in the energy-dissipating and shock-absorbing body structure at the overhead only column station of the utility model specific embodiment
4 schematic diagram of accentric support frame；
Fig. 7 is in the energy consumption minor structure in the energy-dissipating and shock-absorbing body structure at the overhead only column station of the utility model specific embodiment
First to fourth connecting node schematic diagram of high-strength bolt, wherein (a) is front view, (b) is side view.
Description of symbols:
Energy-dissipating and shock-absorbing body structure, 1- energy dissipating pier stud, the anti-buckling braced frame of 2- bottom, 3- armpit at the overhead only column station 100-
Between plus anti-buckling supporting cantilever conversion beam, bis- layers of shearing coupling beam accentric support frame of 4-, 5- bottom steel core concrete column, 6- it is low in the wrong
Clothes point steel shears coupling beam, the first connecting node of 7-, the anti-buckling support of 8-, the second connecting node of 9-, 10- bottom longitudinal direction girder, 11-
Anti-buckling support between cantilever conversion beam, 12- armpit, 13- third connecting node, bis- layers of 14- longitudinal edge-beam, bis- layers of side column of 15-,
16- conventional steel brace, 17- Low Yield Point Steel shear coupling beam, the 4th connecting node of 18-, 19- connecting node inner end plate, 20- connection
High-strength bolt in ribbed stiffener and 21- connecting node in node.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The energy-dissipating and shock-absorbing body knot at the overhead only column station proposed according to the utility model embodiment is described with reference to the accompanying drawings
Structure.
Fig. 2 is the energy-dissipating and shock-absorbing body structural schematic diagram at overhead only column station of the utility model one embodiment.
As shown in Fig. 2, the energy-dissipating and shock-absorbing body structure 100 at overhead only column station includes: that energy dissipating pier stud 1, bottom are anti-buckling
Add anti-buckling supporting cantilever conversion beam 3 and two layers of shearing coupling beam accentric support frame 4 between braced frame 2, armpit.
Wherein, energy dissipating pier stud 1 is used to provide additional rigidity when earthquake magnitude is less than or equal to the first default earthquake magnitude, and
When greater than the first default earthquake magnitude, yield situation is entered by elastic stage, to be plastically deformed, consumes the part input energy of earthquake
Amount.The anti-buckling braced frame 2 of bottom is used to provide additional rigidity when earthquake magnitude is greater than the second default earthquake magnitude, and is being greater than the
When two default earthquake magnitudes, yield situation is entered by elastic stage together with energy dissipating pier stud, to be plastically deformed, consumes the portion of earthquake
Divide input energy.Between armpit plus anti-buckling supporting cantilever conversion beam 3 is used to provide additional when earthquake magnitude is greater than third and presets earthquake magnitude
Rigidity, and when presetting earthquake magnitude greater than third, by elasticity together with the energy dissipating pier stud and the anti-buckling braced frame of the bottom
State enters yield situation, to be plastically deformed, consumes the part input energy of earthquake.Two layers of shearing coupling beam accentric support frame
Frame 4 is used to provide additional rigidity, and when being greater than four default earthquake magnitudes when earthquake magnitude is greater than four default earthquake magnitudes, and described
Between energy dissipating pier stud, the anti-buckling braced frame of the bottom and the armpit plus anti-buckling supporting cantilever conversion beam is together by elastic stage
Into yield situation, to be plastically deformed, the part input energy of earthquake is consumed.The overhead only column vehicle of the utility model embodiment
The energy-dissipating and shock-absorbing body structure 100 stood promotes the anti-seismic performance of all types of overhead only column station structures, reduces structure after big shake
Damage, the rehabilitation cost after reducing shake.
That is, the dissipative member in each energy dissipating minor structure is equal in medium and small shake (the 1-7 grade of i.e. default earthquake magnitude)
In elastic stage, additional rigidity is provided for structure, to guarantee that seismic response of the structure in medium and small shake is closed
The control of reason, structure still are able to meet the needs of using in medium and small shake.In big shake, (i.e. default earthquake magnitude is such as super
Cross 7 grades), the dissipative member in each energy dissipating minor structure enters yielding stage, and biggish plastic deformation occurs, to give structure
Additional damping is brought, the seismic response of structure is reduced, meanwhile, by stable hysteretic behavior, it is defeated can greatly to consume earthquake
The energy entered, to guarantee main component only by minimum damage even still in elastic stage.After earthquake, generally only
There is dissipative member because biggish damage has occurred in plasticity energy consumption, therefore is repaired after the shake of structure and only need for dissipative member to be replaced
, and due to the utility model proposes energy dissipating system in, dissipative member is the form that is bolted and main body structure
What part was connected, in the tearing open of component, replace and installation process in, without destroying main component or connecting node, greatly drop
Rehabilitation cost after low structure calamity, improves restorability energy after the calamity of structure.
Further, in one embodiment of the utility model, between the anti-buckling braced frame of energy dissipating pier stud, bottom, armpit
Anti-buckling supporting cantilever conversion beam and two layers of shearing coupling beam accentric support frame is added to pass through high-strength bolt affixed with main component.
Further, in one embodiment of the utility model, energy dissipating pier stud uses double-limb pier structure, energy dissipating pier stud packet
Include steel core concrete column, Low Yield Point Steel shearing coupling beam and the first connecting node, wherein energy dissipating pier stud is by adjacent steel tube concrete
Earth pillar composition, and centre is provided with Low Yield Point Steel shearing coupling beam and is connected, Low Yield Point Steel shears coupling beam in the column of energy dissipating pier stud
It is evenly arranged between limb, and the bracket by stretching out on the inside of column limb is connected with column limb by the first connecting node.
Further, in one embodiment of the utility model, the anti-buckling braced frame of bottom is by bottom steel tube concrete
Earth pillar, anti-buckling support, bottom longitudinal direction girder and the second connecting node composition.
Optionally, in one embodiment of the utility model, the arrangement form of anti-buckling support can be using related rule
The type that model is recommended, arrangement form can use chevron shaped form, V-shape form, X font form, K font form or single pair angle
Arrangement form.
Optionally, in one embodiment of the utility model, anti-buckling support is set to all lower portions of bottom,
Or it is arranged in the part standard width of a room in an old-style house, wherein there are hinged segments in the junction that two layers are sheared coupling beam accentric support frame and anti-buckling support
Point, one end of hinged joint is affixed by securing plate with two layers of shearing coupling beam accentric support frame, and the other end of hinged joint
It is connect with anti-buckling support by the second connecting node by end.
Further, in one embodiment of the utility model, between armpit plus anti-buckling supporting cantilever conversion beam is by cantilever
Anti-buckling support and third connecting node composition between conversion beam, armpit, wherein add anti-buckling supporting cantilever conversion beam between top and armpit
The connection of cross-section end bottom, and bottom is then connected with the column limb of energy dissipating pier stud.
Further, in one embodiment of the utility model, the anti-buckling support connection between energy dissipating pier stud and armpit
Height of node position should be provided with shearing coupling beam on the inside of energy dissipating pier stud, be anti-buckling between armpit to support the axle power transmitted by cutting
The company's of cutting beam and column limb shared.
It should be noted that the arrangement of anti-buckling support should be noted that the Clearance requirement for not influencing the driving of station lower part between armpit,
Anti-buckling support and the section feature parameter and construction of the connecting node and anti-buckling support 12 of cantilever beam and pier stud are set between armpit
Meter is calculated all in accordance with related specifications and is determined, it is not limited here.
Further, in one embodiment of the utility model, two layers of shearing coupling beam accentric support frame are vertical by two layers
To edge-beam, two layers of side column, bracing members, Low Yield Point Steel shearing coupling beam and the 4th connecting node composition.
Wherein, coupling beam section is sheared in the energy consumption for coupling beam accentric support being sheared at two layers, and one or more can be arranged according to demand
Coupling beam is sheared in a energy consumption, and the shearing coupling beam of two layers of shearing coupling beam accentric support frame is generally i shaped cross section, conventional steel brace
It should be rigid support, bracing members and shearing cross-section of coupling beam characteristic parameter are calculated all in accordance with related specifications to be determined, it is not limited here.
In addition, first to fourth connecting node in the utility model embodiment energy-dissipating and shock-absorbing body structure is using high-strength
The type of attachment of bolted end-plate connection, connecting node is mainly made of end plate 19, ribbed stiffener 20 and high-strength bolt 21, and is being constructed
In the process, after should ensure that other main components are installed in place, the dissipative member in all kinds of minor structures, the ruler of Lian Jiedian are finally installed
Very little and construction, the size of dissipative member and construction should all be calculated according to related specifications and be determined, to ensure that connecting node is constantly in
Elastic stage is without biggish deformation.
It is carried out below according to the energy-dissipating and shock-absorbing body structure at specific embodiment only column station overhead to the utility model embodiment
Further description.
Embodiment one
As shown in Fig. 2, being used for overhead only column station energy-dissipating and shock-absorbing system, system mainly includes four class energy-dissipating and shock-absorbing knots
Structure, 1-4 are respectively anti-buckling supporting cantilever conversion beam and two layers of shearings company between energy dissipating pier stud, the anti-buckling braced frame of bottom, armpit
Beam accentric support frame.In overhead only column station, the seismic fortification intensity in the place according to locating for engineering and target is set up defences not
Together, it can according to need the energy-dissipating and shock-absorbing system that one or more energy-dissipating and shock-absorbing minor structures form the station of choosing, and to Mr. Yu
A kind of arrangement of energy-dissipating and shock-absorbing minor structure can be used alone or repeat in certain of structure or many places to make according to demand
With.In these minor structures, all dissipative members are connected by fabricated connection type with main component, in medium and small shake
In the case of for structure provide additional stiffness control structure seismic response, and provide additional damping in big shake for structure, subtract
Low seismic structural response consumes the energy of Seismic input by the plastic deformation and hysteretic behavior by itself, protects main body structure
Part.
Embodiment two
As shown in figure 3, be used for overhead only column station energy-dissipating and shock-absorbing system, for it includes energy dissipation pier pillar structure.
The energy dissipating pier stud is mainly used for lift structure in the anti-seismic performance of direction across bridge, and energy dissipating pier stud is by the two close concrete filled steel tubes of arrangement
Column column limb composition, and in centre by low-yield shearing coupling beam connection.It is welded when the inside of steel core concrete column column limb is in processing
Bracket is connected, shearing coupling beam is connected by connecting node as shown in Figure 7 with steel corbel.Compared to original Single column pier, energy dissipating
The width and area of section of pier stud increase, therefore rigidity and bearing capacity increase under its elastic stage, and structure can be effectively controlled
Lateral deformation under medium and small shake, and when shaking greatly, shearing coupling beam bears biggish shearing and shear yielding occurs, and consumes into plasticity
Stage the seismic response of structure can be reduced to reduce the rigidity of energy dissipating pier stud and provide additional structural damping.?
After earthquake, the column limb of energy dissipating pier stud is still within elastic stage.Other than energy dissipation pier cylindricality formula shown in Fig. 3, according to reality
Engineering demand using more limb steel pipe concrete columns and the structure type connected by energy consumption shearing coupling beam, belong to the energy dissipating and subtract
Energy dissipating minor structure form involved in shake system.
Embodiment three
As shown in figure 4, be used for overhead only column station energy-dissipating and shock-absorbing system, for it includes the anti-buckling support frame of bottom
Shelf structure.The anti-buckling braced frame is mainly used for lift structure along anti-seismic performance of the bridge to bottom, anti-buckling support frame
Frame is made of the column limb of bottom pier stud and longitudinal girder of the first floor, and anti-buckling support connection is arranged in centre.In frame construction
After the completion, hinged joint, one end of hinged joint and frame welding is welded at the position with anti-buckling support connection, when passing through
It should be noted that reinforced using securing plate, and the other end of hinged joint still is designed to the form of end plate connection, thus with anti-
Buckling support is connected using connecting node as shown in Figure 7.Compared to original pure rigid frame, after introducing anti-buckling support,
Structure bottom is longitudinally rigid to be further increased, and the shearing of frame has been shared, and is obtained effectively in medium and small shake flowering structure lateral deformation
Control, in big shake, anti-buckling support surrender consumes seismic energy of the suitable bridge to input structure bottom by hysteretic energy
Amount, to protect main component.Other than the anti-buckling support arrangement form of Fig. 4, used according to actual engineering demand
(such as " herringbone ", " V-shape ", " X font " " K font " and single pair angle) arranges the frame of anti-buckling support otherwise
Frame belongs to energy dissipating minor structure form involved in the energy-dissipating and shock-absorbing system.
Example IV
As shown in figure 5, be used for the energy-dissipating and shock-absorbing system at overhead only column station, for it includes armpit between anti-buckling support it is outstanding
Arm beam minor structure.Anti-buckling support is mainly used for reducing what cantilever beam was generated in vertical seismic action and direction across bridge geological process between the armpit
Moment of flexure and shearing, its safety redundancy can be increased by providing additional support for cantilever beam.Cantilever beam cross-section section bottom and bottom
Hinged joint should be welded on the outside of portion's pier stud column limb, and is reinforced by securing plate, and the other end of hinged joint should all be designed as end plate
Connection, to be connected by connecting node form shown in Fig. 7 and anti-buckling support.Compared to original cantilever design, between armpit
The vertical force component under mobile load and earthquake load has been shared in support, controls the vertical deformation of medium and small shake flowering structure cantilever end, consumption
The energy of vertical seismic action input, protects cantilevered beam members.Other than the anti-buckling support arrangement form of Fig. 5, according to reality
Engineering demand between cantilever beam and pier stud armpit using it is anti-buckling support class dissipative member reinforce cantilever beam form, belong to this
Energy dissipating minor structure form involved in energy-dissipating and shock-absorbing system.
Embodiment five
As shown in fig. 6, be used for the energy-dissipating and shock-absorbing system at overhead only column station, for it includes two layers of shearing coupling beams bias
Braced frame minor structure.The accentric support frame be mainly used for two layers of lift structure along bridge to anti-seismic performance, accentric support
It is made of two layers of side columns and top edge-beam, on the one hand the introducing of accentric support can increase by two layers of anti-side rigidity, control
Two layers of deformation under earthquake, the energy of two layers of dissipation Seismic input structure, on the other hand, the introducing of accentric support can change
The difference in two layers of outside and internal rigidity, to reduce because of longitudinal difference and to the huge torque of cantilever beam bring.In bias
Support and frame junction, should all be arranged bracket, and end plate is arranged on the outside of bracket, to pass through shown in Fig. 7 with shearing coupling beam
Connecting node connection.In the energy consumption section of accentric support, single or multiple shearing coupling beam energy consumption structures can be set according to demand
Part.Other than accentric support arrangement form shown in fig. 6, according to actual engineering demand use in the form of other accentric supports
The frame of design belongs to energy dissipating minor structure form involved in the energy-dissipating and shock-absorbing system.
Embodiment six
For the energy-dissipating and shock-absorbing system at overhead only column station, in all kinds of energy dissipating minor structures, dissipative member and main component
Connection type be form using high-strength bolt end plate connection, the type belongs to a kind of typical assembled connection type,
It is overhanging by way of welding bracket in connection main component, the space of connection is provided, and connecting pin is set in junction end
Plate, general all by rib reinforcement of putting more energy between end plate and bracket, end plate thickness is generally more than 30mm, at the both ends of dissipative member,
The end plate of condition of equivalent thickness should be equally set, and connect with dissipative member by ribbed stiffener, for other similar in end plate connection
Assembled connecting node form, for connecting dissipative member and main component, should belong to the utility model proposes energy dissipating
Connecting node form in shock absorption system.
In conclusion the feature of the utility model embodiment maximum is to use compared to traditional energy-dissipating and shock-absorbing scheme
The energy-dissipating and shock-absorbing strategy of more energy consumption minor structures, more dissipative members, belongs to novel mixing energy-dissipating and shock-absorbing system concept field.It passes
The energy-dissipating and shock-absorbing scheme of system is often only for a certain rule-like structure or slight irregular structure, because using only the consumption of single class
Can component, but when engineering object becomes being similar to this highly irregular structure in overhead only column station, then using tradition
Energy-dissipating and shock-absorbing scheme can no longer meet the demand of engineering practice, therefore the utility model proposes it is a kind of targetedly,
Towards each weak link of highly irregular structure, the energy dissipating of restorability energy subtracts after comprehensive lift structure anti-seismic performance and calamity
Shake strategy, this thought of the utility model and several classes energy consumption minor structure of proposition, are not only applicable to overhead only column station, lead to
Cross different combinations, moreover it is possible to suitable for the highly irregular structure of same type, therefore there is very extensive application prospect.
And from the perspective of cost and construction, the utility model uses fabricated connection type, during installation and reparation,
Only need to reconnect and high-strength bolt operated at node, no site welding and cutting work, will not to main component or
Connecting node has any impact, thus will maintenance and installation cost fall below it is minimum.
It should be noted that for dissipative member, it is configured and disposed similar with traditional energy-dissipating and shock-absorbing system scheme,
Therefore it will not increase any cost in the design processing of energy-dissipating and shock-absorbing component or Master Cost compared to traditional scheme, work of constructing
Cheng Zhong, it should be noted that the installation of dissipative member should carry out again after all main components are installed, so that dissipative member is not
The dead load of resisting structure is participated in, working efficiency of the dissipative member under seismic force effects is promoted.
In addition, the form of construction work and working procedure of the utility model embodiment are as follows:
1, in the main component processing and fabricating of energy dissipating minor structure, in the good ox of link position pre-production with dissipative member
Leg, and welded end plate, on site with the connection of dissipative member；
2, first whole main components is completed in construction when constructing, then in the position for needing to be arranged energy-dissipating and shock-absorbing system, peace
Fill corresponding dissipative member；
3, dissipative member install when, be all made of the utility model proposes high-strength bolt connection connection type.
According to the utility model embodiment propose overhead only column station energy-dissipating and shock-absorbing body structure, can lift structure peace
Total redundancy improves structure due to the uneven bring torsional effect of Stiffness Distribution in plane, controls and tie caused by accidentally bias
Structure torsion reduces the torque of cantilever beam caused by due to longitudinal rigidity unevenness, and under seismology, all kinds of dissipative members can shift to an earlier date
Into yield situation, by the energy of its stable hysteretic behavior dissipation Seismic input, to reduce the ground of main structure system
The damage that should and reduce key body component is rung, meanwhile, the assembled connection type of high-strength bolt connection ensure that energy consumption structure
Replaceability of the part after shake, recoverability of the structure after shake have also obtained great promotion, reduce the reparation of structure at
This, accelerates the resume speed of structure function after calamity.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (6)
1. a kind of energy-dissipating and shock-absorbing body structure at overhead only column station characterized by comprising
Energy dissipating pier stud for providing additional rigidity when earthquake magnitude is less than or equal to the first default earthquake magnitude, and is being greater than described the
When one default earthquake magnitude, yield situation is entered by elastic stage, to be plastically deformed, consumes the part input energy of earthquake,
In, the energy dissipating pier stud includes steel core concrete column, Low Yield Point Steel shearing coupling beam and the first connecting node；
The anti-buckling braced frame of bottom for when earthquake magnitude is greater than the second default earthquake magnitude, providing additional rigidity, and is being greater than institute
When stating the second default earthquake magnitude, yield situation is entered by elastic stage together with the energy dissipating pier stud, to be plastically deformed, consumption
The part input energy of earthquake, wherein the anti-buckling braced frame of bottom by bottom steel core concrete column, it is anti-buckling support,
Bottom longitudinal direction girder and the second connecting node composition；
Add anti-buckling supporting cantilever conversion beam between armpit, for providing additional rigidity when earthquake magnitude is greater than third and presets earthquake magnitude, and
When presetting earthquake magnitude greater than the third, by elastic stage together with the energy dissipating pier stud and the anti-buckling braced frame of the bottom
Into yield situation, to be plastically deformed, the part input energy of earthquake is consumed, wherein add anti-buckling support between the armpit
Cantilever conversion beam is made of support anti-buckling between cantilever conversion beam, armpit and third connecting node；
Two layers of shearing coupling beam accentric support frame, for providing additional rigidity when earthquake magnitude is greater than four default earthquake magnitudes, and
It is between the energy dissipating pier stud, the anti-buckling braced frame of the bottom and the armpit plus anti-in the wrong when greater than the four default earthquake magnitude
Bent supporting cantilever conversion beam enters yield situation by elastic stage together, to be plastically deformed, consumes the part input of earthquake
Energy, wherein the energy dissipating pier stud is made of adjacent steel core concrete column, and centre is provided with the Low Yield Point Steel shearing
Coupling beam is connected, and the Low Yield Point Steel shearing coupling beam is evenly arranged between the column limb of energy dissipating pier stud, and by stretching on the inside of column limb
Bracket out is connected with column limb by first connecting node；The anti-buckling support is set in all frames of bottom
Portion, or be arranged in the part standard width of a room in an old-style house, have in described two layers shearing coupling beam accentric support frame and the junction of the anti-buckling support
Hinged joint, one end of the hinged joint is affixed by securing plate with two layers of shearing coupling beam accentric support frame, and institute
The other end for stating hinged joint is connect with the anti-buckling support by second connecting node by end；Add between the armpit
The connection of between the top and the armpit of the anti-buckling supporting cantilever conversion beam plus cross-section end bottom of anti-buckling supporting cantilever conversion beam,
And bottom is then connected with the column limb of energy dissipating pier stud.
2. the energy-dissipating and shock-absorbing body structure at overhead only column station according to claim 1, which is characterized in that the energy dissipation pier
Add anti-buckling supporting cantilever conversion beam and two layers of shearing coupling beam inclined between column, the anti-buckling braced frame of the bottom, the armpit
It is affixed with main component that heart braced frame passes through high-strength bolt.
3. the energy-dissipating and shock-absorbing body structure at overhead only column station according to claim 1, which is characterized in that the energy dissipating pier stud
Using double-limb pier structure.
4. the energy-dissipating and shock-absorbing body structure at overhead only column station according to claim 1, which is characterized in that the anti-buckling branch
The arrangement form of support uses chevron shaped form, V-shape form, X font form, K font form or single pair angle arrangement form.
5. the energy-dissipating and shock-absorbing body structure at overhead only column station according to claim 1, which is characterized in that in the energy dissipation pier
The height of node position of anti-buckling support connection between column and the armpit, the energy dissipating pier stud inside should be provided with shearing coupling beam, with
Be anti-buckling between the armpit to support the axle power transmitted by the shearing coupling beam and the column limb shared.
6. the energy-dissipating and shock-absorbing body structure at overhead only column station according to claim 1, which is characterized in that two layers of shearing
Coupling beam accentric support frame is by two layers of longitudinal edge-beam, two layers of side column, bracing members, Low Yield Point Steel shearing coupling beam and the 4th connection
Node composition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821576610.6U CN209397989U (en) | 2018-09-26 | 2018-09-26 | The energy-dissipating and shock-absorbing body structure at overhead only column station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821576610.6U CN209397989U (en) | 2018-09-26 | 2018-09-26 | The energy-dissipating and shock-absorbing body structure at overhead only column station |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952290A (en) * | 2018-09-26 | 2018-12-07 | 清华大学 | The energy-dissipating and shock-absorbing body structure at overhead only column station |
| CN110805128A (en) * | 2019-11-22 | 2020-02-18 | 山东彤创建筑科技有限公司 | Novel steel construction semi-rigid frame |
| CN113818563A (en) * | 2021-10-27 | 2021-12-21 | 清华大学 | Web bending and shearing connecting beam and construction method thereof |
| CN113846766A (en) * | 2021-09-24 | 2021-12-28 | 中衡设计集团股份有限公司 | Assembled energy dissipation beam section of eccentric bearing structure |
-
2018
- 2018-09-26 CN CN201821576610.6U patent/CN209397989U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952290A (en) * | 2018-09-26 | 2018-12-07 | 清华大学 | The energy-dissipating and shock-absorbing body structure at overhead only column station |
| CN108952290B (en) * | 2018-09-26 | 2024-03-22 | 清华大学 | Energy dissipation shock absorber structure of overhead single-column station |
| CN110805128A (en) * | 2019-11-22 | 2020-02-18 | 山东彤创建筑科技有限公司 | Novel steel construction semi-rigid frame |
| CN113846766A (en) * | 2021-09-24 | 2021-12-28 | 中衡设计集团股份有限公司 | Assembled energy dissipation beam section of eccentric bearing structure |
| CN113818563A (en) * | 2021-10-27 | 2021-12-21 | 清华大学 | Web bending and shearing connecting beam and construction method thereof |
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