CN109594671A - A kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system - Google Patents
A kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system Download PDFInfo
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- CN109594671A CN109594671A CN201811549989.6A CN201811549989A CN109594671A CN 109594671 A CN109594671 A CN 109594671A CN 201811549989 A CN201811549989 A CN 201811549989A CN 109594671 A CN109594671 A CN 109594671A
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- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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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
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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
- E04H9/14—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 against other dangerous influences, e.g. tornadoes, floods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Civil Engineering (AREA)
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing systems, and including the semi-girder truss being arranged between Core Walls Structure and frame column, semi-girder truss end connects a damping hinged by T shape lever and damper；Wherein T shape lever one end and semi-girder truss outer end are hinged, and the other end is column articulated with frame；The shape lever lower end T and damper are hinged, and damper elongated end is hinged on semi-girder truss outer end.Length and height and semi-girder truss depth, semi-girder pricncipal rafter by meeting T shape lever and damper connection realize the amplification of semi-girder lever from the relationship of Core Walls Structure extension elongation to improve the energy efficiency of damper.Displacement equations coefficient of the invention can reach 10.0 or so, and present system good damping effect, work efficiency is high.
Description
Technical field
The present invention relates to civil structure engineering fields, especially in a kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system
System.
Background technique
With the quickening of Chinese society expanding economy and urbanization process, super high-rise building is quickly grown.In earthquake and
Under wind action, the energy comparison of building consumption itself is limited, generallys use energy-dissipating and shock-absorbing technology at present to dissipate or absorb
Energy in Seismic input structure.Anti-seismic performance and economy of the damper because that can effectively improve structure have gradually been applied to super
In high-rise building design.But the arrangement of damper is very big on the influence of its working efficiency, is usually sentenced with displacement equations coefficient f
The quality of disconnected damper working efficiency, traditional damper arrangement form mainly have diagonal strut (see Fig. 1), lasso trick deployment mechanism
(see Fig. 2), semi-girder truss end are vertically arranged (see Fig. 3) and herringbone supporting mechanism, and diagonal strut and herringbone support are to utilize knot
Structure interlayer shear deforms to play the effect of damper.The displacement equations coefficient f < 1 of diagonal mechanism and herringbone supporting mechanism, puts
Big coefficient is too small, and damping effect is bad.Damping effect to reach more satisfactory needs to arrange greater number of damper.
And project cost is improved in this way, it is less economical.And being vertically arranged damper in semi-girder truss end in enhancement layer is to utilize
Structural bending deforms to play the effect of damper, and the energy consumption effect of damper can be improved by the amplification of semi-girder lever
Rate, this kind arrange that damper displacement amplification coefficient f and boom reach and semi-girder truss depth are positively correlated.
Usually semi-girder truss is arranged at Architectural Equipment layer (or refuge story) in super high-rise building Frame-Shear wall system,
Form rigid enhancement layer, enhancing structure entirety anti-side rigidity and resistance to capsizing.But after being arranged in this way, the overall stiffness of structure becomes
The period is caused to shorten greatly, geological process increases, while can also cause Core Walls Structure internal force mutation, forms weak floor, causes Core Walls Structure
It destroys seriously, it is big that the later period repairs difficulty.In order to solve the problems, such as above structure Aseismic Design, need to carry out existing semi-girder truss
It improves.
Summary of the invention
To solve drawbacks described above existing in the prior art, the purpose of the present invention is to provide a kind of T shape lever mechanisms to stretch
Arm truss energy-dissipating and shock-absorbing system arranges that damper forms a kind of semi-girder truss with damper in traditional rigid semi-girder truss
(also known as flexible reinforcing layer)；And provide a kind of T form deformation amplification arrangement apparatus of amplifying energy consumption effect of damper；The two knot
Conjunction ultimately provides a kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system, and the deployment mechanism is creatively by structure interlayer
Sidesway is effectively amplified at damper both ends, gives full play to the energy efficiency of damper, is improved under wind load and geological process
The additional damping ratio of structure, damping effect are more preferable.To guarantee safety of the T shape lever under rarely occurred earthquake, it is ensured that damper hair
The effect of waving, the present invention act on unstability outside lower plane in rarely occurred earthquake come anti-locking apparatus using relevant construction measure.
The present invention is realized by following technical proposals.
A kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system, including stretching between Core Walls Structure and frame column is arranged in
Arm truss, semi-girder truss end connect a damping hinged by T shape lever and damper；Wherein T shape lever one end with
Semi-girder truss outer end is hinged, and the other end is column articulated with frame；The shape lever lower end T and damper are hinged, and damper elongated end is hinged
In semi-girder truss outer end；
Damper length L and T shape lever cross bar length R1, semi-girder pricncipal rafter are from Core Walls Structure extension elongation L2 and semi-girder
Truss lower boom meets from Core Walls Structure extension elongation L3:
L=0.5R1+L2-L3
Displacement equations coefficient f and semi-girder truss depth L1, the semi-girder pricncipal rafter of damping are stretched out from Core Walls Structure and are grown
L2, T shape lever cross bar length R1 and T shape lever vertical bar length R2 is spent to meet:
F=L2R2/L1R1.
For above-mentioned technical proposal, there are also further preferred schemes by the present invention:
Preferably, the semi-girder truss includes top boom, lower boom and diagonal web member, and diagonal web member exists in diagonally opposing corner interconnection
Between top boom and lower boom；Semi-girder truss one end is connected with Core Walls Structure, at other end diagonal web member 11 and top boom interconnection
It is connected with end plate.
Preferably, the T shape lever includes T shape lever cross bar and T shape lever vertical bar, and T shape lever cross bar both ends lead to respectively
It crosses at otic placode and frame column and diagonal web member and top boom interconnection and connect；T shape lever vertical bar lower end passes through otic placode and damper
Hingedly.
Preferably, the otic placode includes first otic placode and second otic placode hinged with T shape lever cross bar both ends, and with resistance
The hinged third otic placode of Buddhist nun's device；The first otic placode other end hinged with T shape lever cross bar is connected with gusset plate on frame column is located at；
The hinged second otic placode other end and end plate connection with T shape lever cross bar；The third otic placode other end hinged with damper with stretch
The lower boom outer end of arm truss is connected.
Preferably, the end plate using welding or is bolted with the second otic placode；Second otic placode passes through rotation axis and T shape thick stick
Bar cross bar is hinged；The end plate other end is connect by welding with semi-girder truss outer end diagonal web member and top boom infall.
Preferably, the front and rear sides of the T shape lever vertical bar are symmetrically connected with anti-unstability plate, anti-unstability plate and T shape lever
The intermediate position of vertical bar is not connected to, and the top and bottom of anti-unstability plate are connect with T shape lever vertical bar respectively.
The present invention has the advantages that due to taking above technical scheme
1) present invention arranges that damper forms a kind of semi-girder truss with damper (again in traditional rigid semi-girder truss
Claim flexible reinforcing layer), it had both solved the problems, such as the unfavorable Aseismic Design of above-mentioned rigid enhancement layer bring, and had given full play to disappearing for damper
While energy damping effect, and the advantage of semi-girder truss can be played.
2) in super high-rise building, under earthquake and wind action, when internal core cylinder occurs bending and deformation, structure is produced
Raw relative storey displacement, drives semi-girder truss outer end to move up and down, and generates vertical deformation, which passes through T shape lever again
By displacement equations to damper both ends, the present invention finally makes relative storey displacement be transmitted to the both ends of damper, is done step-by-step and puts step by step
Big function.
3) it is directly combined relative to damper and semi-girder truss, identical quantity and identical damping is arranged in super high-rise building
When device parameter, this device can more increase the energy consumption of damper, improve the additional damping ratio of earthquake and wind action flowering structure,
Guarantee the safety of structure；Equally, the arrangement of damper can be reduced under identical earthquake and wind action for same structure
Quantity, to reduce project cost.
4) it is vertically arranged damper form in semi-girder truss end relative to enhancement layer, shock mitigation system of the present invention, which can reach, to be added
5.0 times of damper displacement amplification coefficient are vertically arranged in semi-girder truss end in strong layer.Displacement equations coefficient can reach 10.0
Left and right, good damping effect, work efficiency is high.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, not
Inappropriate limitation of the present invention is constituted, in the accompanying drawings:
Fig. 1 is existing diagonally arranged mechanism structure schematic diagram；
Fig. 2 is existing lasso trick deployment mechanism structural schematic diagram；
Fig. 3 is the structural schematic diagram that existing semi-girder truss end is vertically arranged damper；
Fig. 4 is structural front view of the invention；
Fig. 5 is the schematic diagram one that device damper generates displacement；
Fig. 6 is the schematic diagram two that device damper generates displacement；
Fig. 7 is the overall structure diagram of original structure；
Fig. 8 is overall structure diagram of the invention；
Fig. 9 is to be vertically arranged the overall structure diagram of damper form in semi-girder truss end in existing enhancement layer；
Figure label: 1. frame columns, 2. Core Walls Structures, 3. end plates, 4. gusset plates, 5.T shape lever, 5-1.T shape lever cross bar,
5-2.T shape lever vertical bar, 6. first otic placodes, 7. second otic placodes, 8. third otic placodes, 9. dampers, 10. top booms, 11. oblique abdomens
Bar, 12. lower booms, 13. anti-unstability plates.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the present invention will be described in detail, herein illustrative examples of the invention
And explanation is used to explain the present invention, but not as a limitation of the invention.
As shown in figure 4, a kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system, including be arranged in Core Walls Structure 2 and frame
Semi-girder truss between column 1, semi-girder truss end connect a damping hinged by T shape lever 5 and damper 9；T shape thick stick
Bar 5 includes that T shape lever cross bar 5-1 and T shape lever vertical bar 5-2, wherein T shape lever cross bar 5-1 right end and semi-girder truss outer end are cut with scissors
It connects, the shape lever left end cross bar 5-1 T and frame column 1 are hinged；T shape lever vertical bar 5-2 and the left end of damper 9 are hinged, damper 9
Right end be hinged on semi-girder truss outer end.
Wherein, semi-girder truss ontology includes top boom 10, lower boom 12 and diagonal web member 11, and diagonal web member 11 intersects in diagonally opposing corner
It is connected between top boom 10 and lower boom 12.Semi-girder truss outer end is not connect with external surrounding frame trestle 1 directly, but is left
Place the arrangement space of T shape lever 5, damper 9.Semi-girder truss one end is connected with Core Walls Structure 2, other end diagonal web member 11 with wind up
It is connected by end plate 3 with otic placode at 10 interconnection of bar.The purpose of design end plate 3 is that semi-girder truss outer end and T shape lever is horizontal
Bar right end is attached, and the setting of end plate 3 is in semi-girder truss outer end diagonal web member 11 and 10 infall of top boom, using welding or bolt
End plate is fixedly connected by connection with otic placode 7；T shape lever cross bar right end is connected by otic placode 7 with end plate 3, T shape lever cross bar and ear
Plate 7 is hinged by rotation axis；Semi-girder truss outer end diagonal web member 11 and top boom 10 are connect by welding with end plate 3.End plate is specific
Material, intensity, model meet related specification requirement, and size carries out processing and fabricating according to semi-girder truss end situation.
Wherein, otic placode includes the first otic placode 6 and the second otic placode 7 connecting with the both ends T shape lever cross bar 5-1, and with resistance
The connected third otic placode 8 of Buddhist nun's device 9,6 one end of the first otic placode and T shape lever cross bar 5-1 are hinged, the other end be located on frame column 1
Gusset plate 4 is connected；Second otic placode, 7 one end and T shape lever cross bar 5-1 are hinged, and the other end is connect with end plate 3；8 one end of third otic placode
Hinged with damper 9, the other end is connected with 12 outer end of lower boom of semi-girder truss.
Wherein, gusset plate 4 is arranged on 1 medial surface of frame column, using welding gusset plate and the first ear or be bolted
Plate 6 is fixedly connected, and the first shape lever left end cross bar 5-1 otic placode 6 and T is hinged by rotation axis.Semi-girder truss outer end diagonal web member 11
It using welding or is bolted, end plate 3 is fixedly connected with the second otic placode 7, second with the end plate 3 at 10 interconnection of top boom
Otic placode 7 and T shape lever cross bar 5-1 right end is hinged by rotation axis.Semi-girder truss outer end diagonal web member 11 intersects company with lower boom 12
It meets place to be connected with third otic placode 8, third otic placode 8 is hinged by rotation axis with 12 outer end of semi-girder truss lower boom.
The device further includes being welded to connect the anti-unstability plate 13 being arranged symmetrically in the front and rear sides of T shape lever vertical bar 5-2, is prevented
Relationship is not welded at the intermediate position of unstability plate 13 and T shape lever vertical bar 5-2, and the upper end of anti-unstability plate 13 and T shape lever are perpendicular
The welding of the upper end bar 5-2, anti-13 lower end of unstability plate and the T shape lever lower end vertical bar 5-2 are welded to connect.
In the present invention, when damper reaches capacity displacement or limit velocity, at this time under the effect of corresponding damping force, section
Contact plate is in elastic state and is not in that sliding and extraction etc. destroy；End plate is also at elastic state and will not go out
Now sliding and extraction etc. destroy；Same otic placode is also at elastic state and is not in that sliding and extraction etc. destroy.
Usually judge that the quality of damper working efficiency, value are damper both ends with respect to position with displacement equations coefficient f
Move the ratio with relative storey displacement.A kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system of the present invention, T shape lever vertical bar are long
The length of R2, T shape lever cross bar length R1 and damper is spent according to place semi-girder truss depth L1, semi-girder pricncipal rafter from core
Heart cylinder extension elongation L2, semi-girder truss lower boom are determined from Core Walls Structure extension elongation L3, damper extreme displacement.According to this hair
Bright one embodiment, semi-girder pricncipal rafter is answered as big as possible from Core Walls Structure extension elongation L2 in the present invention, and Core Walls Structure passes through
It is higher that leverage makes the deformation of damper both ends increase damping efficiency.T shape lever vertical bar R2 can use semi-girder truss depth L1, i.e.,
R2=L1；In the present embodiment, damper length is L=0.5R1+L2-L3.
The displacement equations coefficient f < 1 of diagonal mechanism and herringbone mechanism in the prior art, work ratio is lower and occupies building
Space is excessive.In addition, in the form that semi-girder truss end is vertically arranged damper being using Core Walls Structure bending deformation in enhancement layer
The effect of damper is played, the energy efficiency of damper, this kind arrangement damping are improved by the amplification of semi-girder lever
Device displacement equations coefficient f is the ratio of boom reach L2 and semi-girder truss depth L1, i.e. f=L2/L1=U2/U1.In the present invention
One embodiment in, L2=7-12m, L1=3.9-5.2m work as L2=10m, when L1=5m, f=2.0.
For the present invention is vertically arranged the horizontally disposed damper of T shape lever connection, through deriving, damper cloth of the present invention
The displacement equations coefficient f=L2R2/L1R1 for setting mechanism, according to engineering experience, R1=1-2m, R2=L1=3.9-5.2m,
Work as R2=L1=5m, R1=1m, L2=10m, f=L2R2/L1R1 ≈ 10.0.Displacement equations coefficient of the invention can reach
5 times of damper form displacement equations coefficient are vertically arranged in semi-girder truss end in enhancement layer.By deriving, position of the invention
10.0 or so can be reached by moving amplification coefficient, and good damping effect, work efficiency is high.
Following table 1 gives damper arrangement mechanism of the present invention and diagonally arranged mechanism, lasso trick placement machine in the prior art
The displacement equations index contrast of damper form is vertically arranged in structure and enhancement layer in semi-girder truss end.
In semi-girder purlin in the damper arrangement mechanism of the present invention of table 1 and diagonally arranged mechanism, lasso trick deployment mechanism and enhancement layer
Frame end portion is vertically arranged the displacement equations index contrast of damper form
As shown in figure 5, showing one embodiment that apparatus of the present invention damper generates displacement, wherein solid line indicates not
Each rod piece position when deformation, dotted line indicate to deform later each rod piece position.Under earthquake and wind action,
Lateral deformation occurs for structure, and lateral deformation occurs for structure, and Core Walls Structure occurs bending and deformation, and interlayer generates to the right relative displacement U1,
The bending deformation is transmitted to semi-girder truss outer end (semi-girder truss and the friendship of T shape lever by the leverage of semi-girder truss ontology
Meet place), drive T shape lever to be subjected to displacement, two end movement of damper reduces, and damper is started to work, and consumes energy.
As shown in fig. 6, showing the further embodiment that apparatus of the present invention damper generates displacement, wherein solid line indicates
Each rod piece position when undeformed, dotted line indicate to deform later each rod piece position.In earthquake and wind action
Under, lateral deformation occurs for structure, and lateral deformation occurs for structure, and Core Walls Structure occurs bending and deformation, and interlayer generates relative displacement to the left
U1, the bending deformation are transmitted to semi-girder truss outer end (semi-girder truss and T shape lever by the leverage of semi-girder truss ontology
Junction), drive T shape lever to be subjected to displacement, two end movement of damper increases, and damper is started to work, and consumes energy.
As shown in fig. 7, showing the overall structure diagram of original structure.Super high-rise building Frame-Shear wall system
Semi-girder truss usually is set at Architectural Equipment layer (or refuge story), forms rigid enhancement layer, enhancing structure entirety anti-side rigidity and
Resistance to capsizing.But the overall stiffness of structure, which becomes larger, after being arranged in this way causes the period to shorten, and geological process increases, while can also
Cause Core Walls Structure internal force mutation, form weak floor, causes Core Walls Structure to destroy serious, it is big that the later period repairs difficulty.
Fig. 9 is to be vertically arranged the form of damper in semi-girder truss end in existing enhancement layer.As shown in figure 8, being this hair
Bright overall structure diagram, the present invention arrange that T shape lever damper arrangement mechanism is formed in traditional rigid semi-girder truss
A kind of semi-girder truss (also known as flexible reinforcing layer) with damper had both solved above-mentioned rigidity and had added under earthquake and wind action
The unfavorable Aseismic Design problem of strong layer bring, while giving full play to the energy-dissipating and shock-absorbing effect of damper, and can play and stretch
The advantage of arm truss.
Shock absorbing process of the invention are as follows:
Under earthquake and wind action, interlayer generates relative displacement U1, which is transmitted to semi-girder by semi-girder truss
Truss end (semi-girder truss and T shape lever junction), drives T shape lever to be subjected to displacement, damper generates drawing in the axial direction
Pressure trend so that so that damper both ends distance is changed generates displacement, and then makes the work of damper 9 realize energy-dissipating and shock-absorbing.
Under earthquake and wind action, it is exaggerated twice before and after damper displacement of the invention, before this by Core Walls Structure
Bending deformation is transmitted to the vertical deformation U2 of semi-girder truss outer end, the vertical deformation by the leverage of semi-girder truss ontology
Deformation is amplified to damper both ends again by T shape lever, i.e., the present invention is finally amplified to the bending deformation of Core Walls Structure
The function of amplifying step by step is done step-by-step in the both ends of damper 9, and the purpose of energy-dissipating and shock-absorbing is realized by damper 9.
To the technical staff that this professional domain understands, can be easy to make foregoing invention modification, and the invention work
It is applied in Practical Project without having to go through creative labor as principle.Therefore, in the present invention is not limited to implement above, this
Field technical staff announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be in the present invention
Protection scope within.
Claims (6)
1. a kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system, including be arranged between Core Walls Structure (2) and frame column (1)
Semi-girder truss, which is characterized in that the semi-girder truss end connect one by T shape lever (5) and damper (9) subtracting hingedly
Shake mechanism；Wherein T shape lever (5) one end and semi-girder truss outer end are hinged, and the other end and frame column (1) are hinged；T shape lever (5)
Hingedly, damper (9) elongated end is hinged on semi-girder truss outer end for lower end and damper (9)；
Damper length L and T shape lever cross bar length R1, semi-girder pricncipal rafter are from Core Walls Structure extension elongation L2 and semi-girder truss
Lower boom meets from Core Walls Structure extension elongation L3:
L=0.5R1+L2-L3
The displacement equations coefficient f and semi-girder truss depth L1 of damping, semi-girder pricncipal rafter from Core Walls Structure extension elongation L2,
T shape lever cross bar length R1 and T shape lever vertical bar length R2 meets:
F=L2R2/L1R1.
2. a kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system according to claim 1, which is characterized in that described
Semi-girder truss includes top boom (10), lower boom (12) and diagonal web member (11), and the diagonal web member (11) is in diagonally opposing corner interconnection
Between the top boom (10) and lower boom (12)；Semi-girder truss one end is connected with Core Walls Structure (2), other end diagonal web member
(11) it is connected at top boom (10) interconnection with end plate (3).
3. a kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system according to claim 1 or 2, which is characterized in that institute
Stating T shape lever (5) includes T shape lever cross bar (5-1) and T shape lever vertical bar (5-2), and the both ends T shape lever cross bar (5-1) lead to respectively
It crosses at otic placode and frame column (1) and diagonal web member (11) and top boom (10) interconnection and connect；The lower end T shape lever vertical bar (5-2)
It is hinged by otic placode and damper (9).
4. a kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system according to claim 3, which is characterized in that described
Otic placode includes first otic placode (6) and second otic placode (7) hinged with the both ends T shape lever cross bar (5-1), and with damper (9)
Hinged third otic placode (8)；It hinged the first otic placode (6) other end and is located on frame column (1) with T shape lever cross bar (5-1)
Gusset plate (4) is connected；Second otic placode (7) other end hinged with T shape lever cross bar (5-1) is connect with end plate (3)；With damper
(9) hinged third otic placode (8) other end is connected with lower boom (12) outer end of semi-girder truss.
5. a kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system according to claim 4, which is characterized in that described
End plate (3) using welding or is bolted with the second otic placode (7)；Second otic placode (7) passes through rotation axis and T shape lever cross bar (5-
1) hinged；End plate (3) other end is connected by welding and semi-girder truss outer end diagonal web member (11) and top boom (10) infall
It connects.
6. a kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system according to claim 3, which is characterized in that the T
The front and rear sides of shape lever vertical bar (5-2) are symmetrically connected with anti-unstability plate (13), anti-unstability plate (13) and T shape lever vertical bar (5-
2) intermediate position is not connected to, and the top and bottom of anti-unstability plate (13) are connect with T shape lever vertical bar (5-2) respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549989.6A CN109594671B (en) | 2018-12-18 | 2018-12-18 | Energy dissipation and shock absorption system of T-shaped lever mechanism cantilever truss |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549989.6A CN109594671B (en) | 2018-12-18 | 2018-12-18 | Energy dissipation and shock absorption system of T-shaped lever mechanism cantilever truss |
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| CN109594671A true CN109594671A (en) | 2019-04-09 |
| CN109594671B CN109594671B (en) | 2023-07-25 |
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| CN112282211A (en) * | 2020-11-06 | 2021-01-29 | 华东建筑设计研究院有限公司 | Simply supported truss structure for preventing lateral instability |
| CN113585844A (en) * | 2021-07-07 | 2021-11-02 | 北京市建筑设计研究院有限公司 | Lever type amplification energy dissipation cantilever with lead core rubber support |
| CN113818584A (en) * | 2021-10-22 | 2021-12-21 | 同济大学 | Assembled energy dissipation cantilever structure based on particle damping |
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