CN104389354A - Semi-girder damping system capable of realizing self-restoration after earthquake in super high-rise building - Google Patents
Semi-girder damping system capable of realizing self-restoration after earthquake in super high-rise building Download PDFInfo
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- CN104389354A CN104389354A CN201410645172.4A CN201410645172A CN104389354A CN 104389354 A CN104389354 A CN 104389354A CN 201410645172 A CN201410645172 A CN 201410645172A CN 104389354 A CN104389354 A CN 104389354A
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Abstract
The invention discloses a semi-girder damping system capable of realizing self-restoration after an earthquake in a super high-rise building. The semi-girder damping system capable of realizing the self-restoration after the earthquake in the super high-rise building comprises oil dampers, hydraulic devices, soft steel dampers and semi-girder trusses, wherein each oil damper is arranged on an outer frame column of the super high-rise building; the hydraulic devices are connected with the oil dampers; the inner end of each semi-girder truss is suitable for being connected with the core barrel of the super high-rise building; the outer ends of the semi-girder trusses are connected with the oil dampers and are connected with the outer frame column of the super high-rise building through the soft steel dampers. According to the semi-girder damping system disclosed by the embodiment of the invention, the self restoration of the super high-rise building can be quickly realized, seismic loss can be reduced, post-earthquake recovery speed is quickened, and the semi-girder damping system has the advantages that the earthquake resistance is good, the structure has a small possibility of being damaged, and structural self restoration is quickly realized.
Description
Technical field
The present invention relates to civil structure engineering field, in particular to a kind of semi-girder damping system realizing the rear Self-resetting of shake in super highrise building.
Background technology
Super highrise building in correlation technique, adopts the form that intercooler core cylinder combines with peripheral frame, by arranging the force and deformation that semi-girder truss is coordinated between Core Walls Structure and framework in conjunction with refuge story, mechanical floor etc.Semi-girder truss the globality that effectively can improve structure is set, reduce the horizontal comparison of structure under geological process, and possess certain energy dissipation capacity.Although this structure can prevent building collapse when suffering to set up defences earthquake or rarely occurred earthquake, but invariably under shake load action, damage can not be caused to semi-girder truss itself and the key member such as shear wall, frame column, can not ensure in its permanent set of ground post earthquake recovery, and due to key members such as semi-girder truss, shear wall and frame columns because the particularity of its position and destruction seriousness make it be difficult to reinforcement and repair, last total can only be pushed over rebuilds thus causes huge waste.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.For this reason, the present invention proposes a kind of semi-girder damping system for super highrise building, this semi-girder damping system being used for super highrise building can realize structure and reset, reduces earthquake loss, accelerates post earthquake recovery speed, has that shock resistance is good, structure is not fragile and realize rapidly the advantages such as structure Self-resetting.
For achieving the above object, propose a kind of semi-girder damping system for super highrise building according to embodiments of the invention, the described semi-girder damping system for super highrise building comprises: oil damper, and described oil damper is located on the exterior frame column of described super highrise building; Hydraulic means, described hydraulic means is connected with described oil damper; Mild steel damper; Semi-girder truss, the inner of described semi-girder truss is suitable for being connected with the Core Walls Structure of described super highrise building, and the outer end of described semi-girder truss is connected with described oil damper and is connected by the exterior frame column of described mild steel damper with described super highrise building.
According to the semi-girder damping system for super highrise building of the embodiment of the present invention, structure can be realized and reset, reduce earthquake loss, accelerate post earthquake recovery speed, have that shock resistance is good, structure is not fragile and realize rapidly the advantages such as structure Self-resetting.
In addition, the semi-girder damping system for super highrise building according to the above embodiment of the present invention can also have following additional technical characteristic:
According to one embodiment of present invention, described oil damper and described exterior frame column be arranged in parallel.
According to one embodiment of present invention, the medial surface of the exterior frame column of described super highrise building is provided with bracket, and described oil damper is located on the bracket of the exterior frame column of described super highrise building.
According to one embodiment of present invention, described oil damper comprises: cavity, and described cavity is located on the exterior frame column of described super highrise building; Piston, described piston is located in described cavity, and described piston is provided with piston hole to be opened/closed; Piston rod, one end of described piston rod is connected with described piston and the other end stretches out described cavity is connected with the outer end of described semi-girder truss.
According to one embodiment of present invention, described hydraulic means comprises: fuel reserve tank, and described fuel reserve tank is connected with the space above the described piston in described cavity by oil return valve; Oil pump, described fuel reserve tank is connected with the space below the described piston in described cavity by oil pump, and is connected with delivery valve between described oil pump and described cavity; Motor, described motor is connected with described oil pump by shaft coupling; Oil filter, described oil filter is connected between described fuel reserve tank and described oil pump.
According to one embodiment of present invention, described mild steel damper is vertical with the exterior frame column of described super highrise building is arranged.
According to one embodiment of present invention, described mild steel damper is multiple, and multiple described mild steel damper is connected between described semi-girder truss and the exterior frame column of described super highrise building equally spacedly along the short transverse of described semi-girder truss.
According to one embodiment of present invention, described mild steel damper is connected with the exterior frame column of described super highrise building with described semi-girder truss respectively by bolt.
According to one embodiment of present invention, described semi-girder truss comprises: upper chord, and the inner of described upper chord is connected with the Core Walls Structure of described super highrise building and outer end is connected by the exterior frame column of described mild steel damper with described super highrise building; Lower chord, the inner of described lower chord is connected with the Core Walls Structure of described super highrise building and outer end is connected by the exterior frame column of described mild steel damper with described super highrise building, and described lower chord to be positioned at below described upper chord and to be arranged in parallel with described upper chord; Perpendicular web member, described perpendicular web member to be connected between described upper chord and described lower chord and perpendicular to described upper chord and described lower chord; Diagonal web member, described diagonal web member to be connected between described upper chord and described lower chord and to be obliquely installed relative to vertical direction.
Accompanying drawing explanation
Fig. 1 is the structural representation realizing Self-resetting semi-girder damping system in super highrise building according to the embodiment of the present invention.
Fig. 2 realizes the oil damper of Self-resetting semi-girder damping system and the structural representation of hydraulic means according to the embodiment of the present invention in super highrise building.
Fig. 3 realizes the operating diagram of Self-resetting semi-girder truss under geological process according to the embodiment of the present invention in super highrise building.
Fig. 4 is the oil damper realizing Self-resetting semi-girder damping system in super highrise building according to the embodiment of the present invention and the operating diagram of hydraulic means under geological process.
Fig. 5 realizes the structural representation of Self-resetting semi-girder damping system after geological process according to the embodiment of the present invention in super highrise building.
Fig. 6 is operating diagram when resetting after geological process according to the oil damper realizing Self-resetting semi-girder damping system in super highrise building of the embodiment of the present invention and hydraulic means.
Fig. 7 is the top view realizing Self-resetting semi-girder damping system in super highrise building according to the embodiment of the present invention.
Reference numeral: super highrise building 1, Core Walls Structure 100, shear wall 110, peripheral frame 200, exterior frame column 210, bracket 211, semi-girder damping system 300, semi-girder truss 310, upper chord 311, lower chord 312, perpendicular web member 313, diagonal web member 314, mild steel damper 320, oil damper 330, cavity 331, cavity fixed part 3310, piston 332, piston hole 3320, piston rod 333, piston rod fixed part 3330, hydraulic means 340, fuel reserve tank 341, oil pump 342, motor 343, oil filter 344, shaft coupling 345, delivery valve 346, oil return valve 347, truss frame for connecting 400.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Below with reference to the accompanying drawings the semi-girder damping system 300 for super highrise building 1 according to the embodiment of the present invention is described.
As shown in Fig. 1-Fig. 7, comprise Core Walls Structure 100, peripheral frame 200 and multiple semi-girder damping system 300 according to the super highrise building 1 of the embodiment of the present invention.
Peripheral frame 200 comprises multiple exterior frame column 210, and multiple exterior frame columns 210 are located at the outside of Core Walls Structure 100.Each semi-girder damping system 300 comprises semi-girder truss 310, mild steel damper 320, oil damper 330 and hydraulic means 340, the inner of multiple semi-girder truss 310 is connected with Core Walls Structure 100, and the outer end of multiple semi-girder truss 310 is connected with multiple exterior frame column 210 respectively by multiple mild steel damper 320, multiple oil damper 330 is located on multiple exterior frame column 210 respectively, and multiple oil damper 330 is connected with the outer end of multiple semi-girder truss 310 respectively, multiple hydraulic means 340 is connected with multiple oil damper 330 respectively.
According to the semi-girder damping system 300 for super highrise building 1 of the embodiment of the present invention, by arranging semi-girder truss 310, the vibrations that can be subject to by Core Walls Structure 100 when earthquake are converted into axle power by semi-girder truss 310 and are applied on exterior frame column 210, not only can improve the globality of super highrise building 1, reduce the horizontal comparison of super highrise building 1, and can cushion vibrations, make described super highrise building not easily damaged.
And, the structural response that the one end be connected with exterior frame column 210 due to semi-girder truss 310 produces is maximum, by arranging mild steel damper 320 and oil damper 330, and mild steel damper 320 is connected with the outer end of oil damper 330 with semi-girder truss 310, mild steel damper 320 and oil damper 330 acting in conjunction can be utilized thus, further vibrations are cushioned, described super highrise building not only can be prevented further impaired, and semi-girder truss 310 can be prevented, key structure such as exterior frame column 210 grade is impaired, thus eliminate the process of these structures being carried out to strengthen maintenance after shake, reduce earthquake loss, accelerate the speed of post earthquake recovery.
In addition, due to earthquake stronger time, Core Walls Structure 100 bears larger action of horizontal seismic, the seismic (seismal that semi-girder truss 310 transmits significantly increases, when ensureing that semi-girder truss 310 does not deform, mild steel damper 320 and oil damper 330 need the vibrations that buffering is larger, easily there is permanent set in mild steel damper 320 after shake, position before making semi-girder truss 310 depart from earthquake, by arranging hydraulic means 340, hydraulic means 340 can be utilized to carry out fuel feeding for oil damper 330, oil damper 330 is made to realize the function of hydraulic jack, can utilize after shake thus hydraulic means 340 and oil damper 330 promote semi-girder truss 310 return to earthquake before position, so that change the mild steel damper 320 producing permanent set, state before making super highrise building 1 recover earthquake, realize the integrally-built restorability of super highrise building 1, thus avoid and can not recover because shaking rear structure and building integral be pushed over reconstruction, further reduce the loss of earthquake, accelerate post earthquake recovery speed.
In other words, under little shake, middle shake effect, oil damper 330 and mild steel damper 320 assist coupling beam to consume energy, and ensure that the key member such as shear wall, frame column keeps elasticity under geological process.After geological process by oil damper 330 and mild steel damper 320 by semi-girder truss 310 pushed home, realize the Self-resetting of semi-girder truss 310.
Therefore, structure can be realized according to the semi-girder damping system 300 for super highrise building 1 of the embodiment of the present invention and reset, reduce earthquake loss, accelerate post earthquake recovery speed, there is the advantages such as shock resistance is good, structure is not fragile.
Below with reference to the accompanying drawings the semi-girder damping system 300 for super highrise building 1 according to the specific embodiment of the invention is described.
In specific embodiments more of the present invention, as shown in Fig. 1-Fig. 7, the semi-girder damping system for super high rise building according to the embodiment of the present invention comprises semi-girder truss 310, mild steel damper 320, oil damper 330 and hydraulic means 340.
Semi-girder truss 310 can comprise upper chord 311, lower chord 312, perpendicular web member 313 and diagonal web member 314.The inner of upper chord 311 can be connected with Core Walls Structure 100, and the outer end of upper chord 311 can be connected with exterior frame column 210 by mild steel damper 320.The inner of lower chord 312 can be connected with Core Walls Structure 100, and the outer end of lower chord 312 can be connected with exterior frame column 210 by mild steel damper 320, and lower chord 312 can be positioned at below upper chord 311, and lower chord 312 can be arranged in parallel with upper chord 311.Perpendicular web member 313 can be connected between upper chord 311 and lower chord 312, and perpendicular web member 313 can perpendicular to upper chord 311 and lower chord 312.Diagonal web member 314 can be connected between upper chord 311 and lower chord 312, and diagonal web member 314 can be obliquely installed relative to vertical direction.
Specifically, perpendicular web member 313 and diagonal web member 314 can be multiple, multiple perpendicular web member 313 can be parallel with lower chord 312 and arrange at equal intervals along upper chord 311, the lower end of diagonal web member 314 can be connected to the junction of lower chord 312 and perpendicular web member 313, and the upper end of diagonal web member 314 can be connected with the upper end of adjacent diagonal web member 314.Not only can ensure the strength and stability of semi-girder truss 310 structure thus, and semi-girder truss 310 can be made to be delivered on exterior frame column 210 by the stressed of Core Walls Structure 100 smoothly.
Wherein, upper chord 311, lower chord 312, perpendicular web member 313 and diagonal web member 314 can be steel part.The height of perpendicular web member 313 can be consistent with the height of one deck floor of described highrise building or two floors.
Advantageously, as shown in Fig. 1, Fig. 3, Fig. 5, Fig. 7, mild steel damper 320 can vertically with exterior frame column 210 be arranged.The buffering effect of mild steel damper 320 to vibrations can be improved thus.
Alternatively, as shown in Fig. 1, Fig. 3 and Fig. 5, can comprise multiple mild steel damper 320 in semi-girder damping system 300, multiple mild steel damper 320 can be connected between semi-girder truss 310 and exterior frame column 210 equally spacedly along the short transverse of semi-girder truss 310.Multiple mild steel damper 320 can be utilized thus to cushion the vibrations that a semi-girder truss 310 is subject to, to prevent structural damage further, improve anti seismic efficiency.
Specifically, the number n often arranging mild steel damper 320 can obtain according to following computational methods.The energy of single mild steel damper 320 maximum consumption is: W
1=P
y(d-d
y).In formula, W
1for the energy consumed when mild steel damper 320 produces d displacement, P
yfor the yield force of mild steel damper 320, d
yfor the yield displacement of mild steel damper 320.In order to ensure that semi-girder truss 310 keeps elasticity under large shake, then the power consumption of whole row's mild steel damper 320 need be more than or equal to power consumption E when semi-girder truss 310 is surrendered, then often arrange the number of required mild steel damper 320: n=E/W
1.In formula, E is the power consumption of semi-girder truss 310 when surrendering.
The load of 1000 tons is needed when surrendering for single semi-girder truss 310, because mild steel damper 320 convertibility and mild steel damper 320 can arrange multiple, therefore multiple mild steel damper 320 bears 800 tons of loads altogether, and the load of 200 tons born by oil damper 330.Suppose that the bearing capacity of single mild steel damper 320 is 100 tons, then the quantity of mild steel damper 320 is 8.
Particularly, mild steel damper 320 can be connected with exterior frame column 210 with semi-girder truss 310 respectively by bolt.Not only can ensure the bonding strength of mild steel damper 320 thus, and the dismounting of mild steel damper 320 can be facilitated, so that change mild steel damper 320.
Fig. 1-Fig. 7 shows the semi-girder damping system 300 for super highrise building 1 according to the present invention's concrete example.As shown in Fig. 1, Fig. 3 and Fig. 5, oil damper 330 can be arranged in parallel with exterior frame column 210.The seismic forces be applied on oil damper 330 can be avoided thus to produce the component of inclination, not only can improve the buffering effect of oil damper 330 to vibrations, and can prevent oil damper 330 from damaging because of component.
Advantageously, as shown in Fig. 1, Fig. 3 and Fig. 5, the medial surface of exterior frame column 210 can be provided with bracket 211, oil damper 330 can be located on the bracket 211 of exterior frame column 210.Thus can so that the installation of oil damper 330.
Particularly, as shown in figs 1 to 6, oil damper 330 can comprise cavity 331, piston 332 and piston rod 333.Cavity 331 can be located on exterior frame column 210.Piston 332 can be located in cavity 331, piston 332 can be provided with piston hole 3320 to be opened/closed.One end of piston rod 333 can be connected with piston 332, and the other end of piston rod 333 can stretch out cavity 331 is connected with the outer end of semi-girder truss 310.Not only can open piston hole 3320 when earthquake thus, make piston 332 can carry out damped motion in cavity 331, to cushion vibrations during earthquake, and can when needs reset closure piston hole 3320, under the effect of hydraulic means 340, oil damper 330 is made to realize the function of jack, by semi-girder truss 310 pushed home.
More specifically, as shown in Fig. 2, Fig. 4 and Fig. 6, the soffit of the diapire of cavity 331 can be provided with cavity fixed part 3310, cavity 331 can be fixed on bracket 211 by cavity fixed part 3310, piston rod 333 can be provided with piston rod fixed part 3330, and piston rod 333 can be connected with semi-girder truss 310 by piston rod fixed part 3330.The installation of oil damper 330 can be convenient to thus further.
Alternatively, as shown in figs 1 to 6, hydraulic means 340 can comprise fuel reserve tank 341, oil pump 342, motor 343 and oil filter 344.Fuel reserve tank 341 can be connected with the space above the piston 332 in cavity 331 by oil return valve 347.Fuel reserve tank 341 can be connected with the space below the piston 332 in cavity 331 by oil pump 342, and can be connected with delivery valve 346 between oil pump 342 and cavity 331.Motor 343 can be connected with oil pump 342 by shaft coupling 345.Oil filter 344 can be connected between fuel reserve tank 341 and oil pump 342.Not only can close delivery valve 346 and oil return valve 347 when earthquake thus, form airtight cavity 331, when piston 332 is moved, there is damping, realize the buffering to vibrations, and delivery valve 346 and oil return valve 347 can be opened after shake, motor 343 is utilized to drive oil pump 342 to be space fuel feeding below piston 332 in cavity 331, the oil in the space above piston 332 is made to flow into fuel reserve tank 341 by oil return valve 347, thus piston 332 is moved up, promote semi-girder truss 310 and reset.
Wherein, as shown in Figure 7, the shear wall 110 connecting Core Walls Structure 100 two lateral walls can be provided with in Core Walls Structure 100.The structural stability of Core Walls Structure 100 can be improved thus further.
More advantageously, as shown in Figure 7, semi-girder damping system 300 can be arranged symmetrically and evenly along the circumference of Core Walls Structure 100 in structural plan.Due to mild steel damper 320 and oil damper 330 more responsive for displacement, therefore semi-girder damping system 300 should be arranged on semi-girder truss 310 place of top, with ensure semi-girder damping system 300 service efficiency maximize.
According to the semi-girder damping system 300 for super highrise building 1 of the embodiment of the present invention other form and operation be all known for those of ordinary skills, be not described in detail here.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this manual, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this manual or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (9)
1. in super highrise building, realize a semi-girder damping system for the rear Self-resetting of shake, it is characterized in that, comprising:
Oil damper, described oil damper is located on the exterior frame column of described super highrise building;
Hydraulic means, described hydraulic means is connected with described oil damper;
Mild steel damper;
Semi-girder truss, the inner of described semi-girder truss is suitable for being connected with the Core Walls Structure of described super highrise building, and the outer end of described semi-girder truss is connected with described oil damper and is connected by the exterior frame column of described mild steel damper with described super highrise building.
2. the semi-girder damping system realizing the rear Self-resetting of shake in super highrise building according to claim 1, it is characterized in that, described oil damper and described exterior frame column be arranged in parallel.
3. the semi-girder damping system realizing the rear Self-resetting of shake in super highrise building according to claim 2, it is characterized in that, the medial surface of the exterior frame column of described super highrise building is provided with bracket, and described oil damper is located on the bracket of the exterior frame column of described super highrise building.
4. the semi-girder damping system realizing the rear Self-resetting of shake in super highrise building according to any one of claim 1-3, it is characterized in that, described oil damper comprises:
Cavity, described cavity is located on the exterior frame column of described super highrise building;
Piston, described piston is located in described cavity, and described piston is provided with piston hole to be opened/closed;
Piston rod, one end of described piston rod is connected with described piston and the other end stretches out described cavity is connected with the outer end of described semi-girder truss.
5. the semi-girder damping system realizing the rear Self-resetting of shake in super highrise building according to claim 3, it is characterized in that, described hydraulic means comprises:
Fuel reserve tank, described fuel reserve tank is connected with the space above the described piston in described cavity by oil return valve;
Oil pump, described fuel reserve tank is connected with the space below the described piston in described cavity by oil pump, and is connected with delivery valve between described oil pump and described cavity;
Motor, described motor is connected with described oil pump by shaft coupling;
Oil filter, described oil filter is connected between described fuel reserve tank and described oil pump.
6. the semi-girder damping system realizing the rear Self-resetting of shake in super highrise building according to claim 1, it is characterized in that, described mild steel damper is vertical with the exterior frame column of described super highrise building to be arranged.
7. the semi-girder damping system realizing the rear Self-resetting of shake in super highrise building according to claim 6, it is characterized in that, described mild steel damper is multiple, and multiple described mild steel damper is connected between described semi-girder truss and the exterior frame column of described super highrise building equally spacedly along the short transverse of described semi-girder truss.
8. the semi-girder damping system realizing the rear Self-resetting of shake in super highrise building according to claim 1, it is characterized in that, described mild steel damper is connected with the exterior frame column of described super highrise building with described semi-girder truss respectively by bolt.
9. the semi-girder damping system realizing the rear Self-resetting of shake in super highrise building according to claim 1, it is characterized in that, described semi-girder truss comprises:
Upper chord, the inner of described upper chord is connected with the Core Walls Structure of described super highrise building and outer end is connected by the exterior frame column of described mild steel damper with described super highrise building;
Lower chord, the inner of described lower chord is connected with the Core Walls Structure of described super highrise building and outer end is connected by the exterior frame column of described mild steel damper with described super highrise building, and described lower chord to be positioned at below described upper chord and to be arranged in parallel with described upper chord;
Perpendicular web member, described perpendicular web member to be connected between described upper chord and described lower chord and perpendicular to described upper chord and described lower chord;
Diagonal web member, described diagonal web member to be connected between described upper chord and described lower chord and to be obliquely installed relative to vertical direction.
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| CN109594671A (en) * | 2018-12-18 | 2019-04-09 | 西安建筑科技大学 | A kind of T shape lever mechanism semi-girder truss energy-dissipating and shock-absorbing system |
| CN109594671B (en) * | 2018-12-18 | 2023-07-25 | 西安建筑科技大学 | Energy dissipation and shock absorption system of T-shaped lever mechanism cantilever truss |
| CN116815947A (en) * | 2023-08-31 | 2023-09-29 | 北京工业大学 | Passive reset rigidity energy dissipation arm extension system of high-rise building structure |
| CN116815947B (en) * | 2023-08-31 | 2023-10-31 | 北京工业大学 | Passive reset rigidity energy dissipation arm extension system of high-rise building structure |
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