CN205712546U - One waves Self-resetting self-supporting tall and slender structure - Google Patents
One waves Self-resetting self-supporting tall and slender structure Download PDFInfo
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- CN205712546U CN205712546U CN201620181569.7U CN201620181569U CN205712546U CN 205712546 U CN205712546 U CN 205712546U CN 201620181569 U CN201620181569 U CN 201620181569U CN 205712546 U CN205712546 U CN 205712546U
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Abstract
This utility model is that one waves Self-resetting self-supporting tall and slender structure, this structure mainly includes superstructure, guy system, friction damping device, cast-in-place ground, common earth anchor, pre-embedded steel slab, shearing resistance earth anchor forms, described superstructure is identical with general self-supporting tall and slender structure cross section, but it is evenly arranged inside barrel and organizes guy system more, arrange between superstructure and cast-in-place ground and wave hemisphere, friction damping device is installed in base plate appropriate location simultaneously, when this structural system is subject to bigger dynamic load, superstructure swings around the contact point waving hemisphere and pre-embedded steel slab, consumed energy by friction damping device, shear amchor bolt opposing shearing, prestressed cable is utilized to reset after shaking.This utility model has that superstructure steel using amount is little, simple structure, with low cost, automatically reset, the advantage such as easy to maintenance.
Description
Technical field
This utility model belongs to civil engineering Aseismic Structure System technical field, is specifically related to one and waves Self-resetting self-supporting tall and slender structure system.
Background technology
In recent years, along with development and the propelling of urbanization of national economy, in the process of construction of infrastructure, the demand to various self-supporting tall and slender structures (wind-driven generator, power transmission tower, communication tower, chimney, High-Pole Lamp etc.) increases day by day.Under earthquake and wind action, there is violent vibration in this class formation, has a strong impact on the normal of structure and uses and security performance.At present, more conventional means are to use tuned damper to suppress the excessive vibratory response of this class formation, such as tuned mass damper, TMD (Tuned Mass Damper, TMD), tuned liquid damper, TLD, tuned sloshing damper (Tuned Liquid Damper, TMD) and frequency modulation column damper (Tuned Liquid Column
Damper, TMD).But, when structure is due to local fatigue or plasticity generation irreversible transformation, the effect of tuned damper is substantially reduced, and structure cannot be made to reset, and maintenance and reinforcing to the later stage bring inconvenience.
General swinging structure and Self-resetting structure refer to retrain between constraint or component between loosening configuration and basis, make to only have at contact surface between structure and basis or component compression capability and without tension ability, then structure is waved under geological process, makes structure reset by deadweight or prestressing force.This structure having recovery function for design provides a kind of new approaches, successively develop some based on this thinking people to wave and the structural system of Self-resetting: the ball of Self-resetting can enter formula winged and wave shock insulation pier stud (CN104278620A), Self-reset girder-grid friction wall structural system (CN203583708U), the Self-resetting shear wall (CN203626080U) with replaceable coupling beam, a kind of replaceable landscape configuration presstressed reinforcing steel Self-resetting power consumption bridge pier (CN103882803A) etc..These systems are primarily directed to building structure and bridge structure design, it is adaptable to the new structural systen of self-supporting towering structure is the most visible.
Traditional theory strengthens the bearing capacity of self-supporting tall and slender structure generally by new material, new system, and this structure is easily caused the destruction of weak link when bigger effect of vibration.And if able to reduce the rigidity at some position of self-supporting tall and slender structure, and introducing suitable energy-dissipating device, the antivibration becoming passive is vibrationproof actively, it will use and security performance to improving self-supporting tall and slender structure have certain practical significance.
Utility model content
The purpose of this utility model is to provide a kind of novel self-supporting tall and slender structure system, on the premise of ensureing its normal usage function under conventional load effect, rotation relation between loosening configuration and basis, structure is made to possess certain swing ability under lateral dynamic load function, and by arranging the energy that suitable energy-dissipating device dissipative structure swings loosening position, form a kind of simple structure, with low cost waves Self-resetting structural system, thus reduce self-deformation and the stress of agent structure, the safety of protection agent structure, and can automatically recover structure original state state after shaking, there is provided convenient for further safeguarding and reinforcing.
For realizing above-mentioned technical purpose, reaching above-mentioned technique effect, this utility model is achieved through the following technical solutions:
One waves Self-resetting self-supporting tall and slender structure, including the conventional superstructure in self-supporting tall and slender structure cross section, cast-in-place ground, pre-embedded steel slab and shearing resistance earth anchor, it is evenly arranged along inner side inside described superstructure and organizes guy system more, being provided with between described superstructure and cast-in-place ground and wave hemisphere and friction damping device, described friction damping device is arranged on and waves hemisphere periphery.
Further, described superstructure includes barrel and is arranged at the structure base slab bottom barrel, interior hoop ribbed stiffener it is provided with at described wall inner portion certain altitude, described guy system one end connects interior hoop ribbed stiffener, the other end connects cast-in-place ground, the described planar ends attachment structure base plate waving hemisphere, the curved end waving hemisphere is contacted with the pre-embedded steel slab on cast-in-place ground by shearing resistance earth anchor, one end of described friction damping device is connected with structure base slab, and the other end is connected with the pre-embedded steel slab on cast-in-place ground.
Further, described guy system is made up of anchoring piece, prestressed cable, limited support and drag-line earth anchor, one end of described prestressed cable is anchored in the interior hoop ribbed stiffener of superstructure by anchoring piece, the other end is anchored in cast-in-place ground by drag-line earth anchor, described limited support is evenly arranged in inside barrel along prestressed cable height and position, be used for controlling prestressed cable not with barrel interior side contacts.
Further, described friction damping device is by superstructure connecting plate, ground connecting plate, high-strength bolt and backing plate composition, described superstructure connecting plate passes through high-strength bolt together with ground connecting plate cross-under, described backing plate is arranged between ground connecting plate and high-strength bolt, described superstructure connecting plate is hinged with the structure base slab of superstructure, and the circular hole of slotted hole or bigger is offered at installation high-strength bolt position, for ensureing the relative free sliding degree between superstructure connecting plate with ground connecting plate, contact surface between superstructure connecting plate and ground connecting plate is frictional connection, and by the prestressing force of regulation high-strength bolt to control corresponding friction parameter, described ground connecting plate is hinged with the pre-embedded steel slab on cast-in-place ground.
Further, constitute, with being radially arranged ribbed stiffener, base plate of putting more energy into along structure base slab hoop bottom described superstructure, it is provided with bottom adding rib outside the barrel of superstructure and between structure base slab upper end, is used for base plate of putting more energy into transmit the power output of friction damping device.
Further, this structure also includes a kind of construction method waving Self-resetting self-supporting tall and slender structure, and the method comprises the following steps:
Step (1) is according to design and construction requirement, in factory's segmental machining superstructure, and hoop ribbed stiffener and limited support in inside barrel, correspondence position welds；Bottom inside in bottom segment welds base plate of putting more energy into, and adding rib bottom the welding of outside, putting more energy into, base plate lower weld waves hemisphere；
Step (2) is at structure digging in-situ foundation ditch, template and reinforcing bar is arranged by design size, and arrange common earth anchor, shearing resistance earth anchor, pre-embedded steel slab, drag-line earth anchor and sufficiently long prestressed cable at correspondence position, and then casting concrete carry out maintenance, form cast-in-place ground；
The bottommost sections of step (3) location and installation superstructure, behind location, by shearing resistance earth anchor through waving hemisphere, and fixes with nut, by the prestressed cable arranged in advance through putting more energy into base plate and limited support；Between base plate and cast-in-place basis, it is uniformly arranged jack, withstands superstructure, prevent from rocking；
Step (4) is the superstructure connecting plate of hinged friction damping device under the base plate of superstructure, hinged ground connecting plate on the pre-embedded steel slab on the basis of cast-in-place, is connected by three blocks of plates with high-strength bolt, and Shi Hanzhang；
Step (5) utilizes crane, other sections of superstructure are installed one by one, when each sections is installed, prestressed cable is passed the limited support of this sections, when installing to interior hoop ribbed stiffener place sections, prestressed cable is carried out stretch-draw, and anchors with anchoring piece, be subsequently mounted sections on it until structure installation；
After step (6) structure installation, remove the jack putting more energy between base plate and pre-embedded steel slab.
The beneficial effects of the utility model are:
One of the present utility model waves Self-resetting self-supporting tall and slender structure system when static load or smaller power load action, possesses certain rigidity, keeps less lateral displacement；Under bigger dynamic load function, swing for axle with the contact point of structural base with ground, protect superstructure safety, and consumed energy by frictional damping, control to swing sidesway；After outer load reduces or disappears, structural system has preferable self-resetting capability；And the position that may damage is all in structural base, it is simple to safeguard；This structural system has that superstructure steel using amount is little, simple structure, the advantage such as with low cost, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present utility model；
Fig. 2 is A-A cross-sectional view in this utility model Fig. 1；
Fig. 3 is B-B cross-sectional view in this utility model Fig. 1；
Fig. 4 is friction damping device organigram of the present utility model；
Fig. 5 is C-C cross-sectional view in this utility model Fig. 4；
Fig. 6 is the structural representation of this utility model additional damping device scheme.
Label declaration in figure: 1. superstructure, 2. guy system, 3. friction damping device, the most cast-in-place ground, 5. common earth anchor, 6. pre-embedded steel slab, 7. shearing resistance earth anchor, 8. damping unit, 81. antivibrators, 82. actuating devices, 11. barrels, hoop ribbed stiffener in 12., adding rib bottom 13., 14. wave hemisphere, and 15. put more energy into base plate, 16. structure base slabs, 21. anchoring pieces, 22. prestressed cables, 23. limited supports, 24. drag-line earth anchors, 31. superstructure connecting plates, 32. ground connecting plates, 33. high-strength bolts, 34. backing plates.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, this utility model is described in detail.
Referring to figs. 1 through shown in Fig. 5, one waves Self-resetting self-supporting tall and slender structure, including the conventional superstructure 1 in self-supporting tall and slender structure cross section, cast-in-place ground 4, pre-embedded steel slab 6 and shearing resistance earth anchor 7, described superstructure 1 is internal is evenly arranged many group guy systems 2 along inner side, being provided with between described superstructure 1 and cast-in-place ground 4 and wave hemisphere 14 and friction damping device 3, described friction damping device 3 is arranged on and waves hemisphere 14 periphery.
Described superstructure 1 includes barrel 11, and it is arranged at the structure base slab 16 bottom barrel 11, it is provided with interior hoop ribbed stiffener 12 at the internal certain altitude of described barrel 11, described guy system 2 one end connects interior hoop ribbed stiffener 12, the other end connects cast-in-place ground 4, the described planar ends attachment structure base plate 16 waving hemisphere 14, the curved end waving hemisphere 14 is contacted with the pre-embedded steel slab 6 on cast-in-place ground 4 by shearing resistance earth anchor 7, while transmitting superstructure 1 deadweight, superstructure 1 can be swung under lateral dynamic load function, one end of described friction damping device 3 is connected with structure base slab 16, the other end is connected with the pre-embedded steel slab 6 on cast-in-place ground 4.
Described guy system 2 is by anchoring piece 21, prestressed cable 22, limited support 23 and drag-line earth anchor 24 form, one end of described prestressed cable 22 is anchored in the interior hoop ribbed stiffener 12 of superstructure 1 by anchoring piece 21, the other end is anchored in cast-in-place ground 4 by drag-line earth anchor 24, to its Shi Hanzhang, thus provide certain rigidity and enough reset capabilities for swinging of superstructure 1, material can use the novel high-performance alloy material such as steel or marmem, described limited support 23 is evenly arranged in inside barrel 11 along prestressed cable 22 height and position, for control prestressed cable 22 not with barrel 11 interior side contacts.
nullDescribed friction damping device 3 is by superstructure connecting plate 31、Ground connecting plate 32、High-strength bolt 33 and backing plate 34 form，Described superstructure connecting plate 31 passes through high-strength bolt 33 together with ground connecting plate 32 cross-under，Described backing plate 34 is arranged between ground connecting plate 32 and high-strength bolt 33，Described superstructure connecting plate 31 is hinged with the structure base slab 16 of superstructure 1，And installing and offering at installation high-strength bolt position the circular hole of slotted hole or bigger，For ensureing the relative free sliding degree between superstructure connecting plate 31 with ground connecting plate 32，Contact surface between superstructure connecting plate 31 and ground connecting plate 32 is frictional connection，And by the prestressing force of regulation high-strength bolt 33 to control corresponding friction parameter，Described ground connecting plate 32 is hinged with the pre-embedded steel slab 6 on cast-in-place ground 4.
Constitute, with being radially arranged ribbed stiffener, base plate 15 of putting more energy into along structure base slab 16 hoop bottom described superstructure 1, it is provided with bottom adding rib 13 outside the barrel 11 of superstructure 1 and between structure base slab 16 upper end, is used for base plate 15 of putting more energy into transmit the power output of friction damping device 3.
With reference to shown in Fig. 6, for improving the damping energy dissipation ability of this structure further, antivibrator can be set in substrate simultaneously or tuned damper, sidesway when swinging with control structure are installed at superstructure 1 top.The vertical displacement that in Fig. 6, structure is transmitted by actuating device 82 is converted to horizontal displacement, causes stretching or the compression of antivibrator 81, thus provides extra damping for structure, reduces the amplitude of fluctuation of structure, and have no effect on structure wave Self-resetting function.It addition, weight can be suitably filled with bottom superstructure 1 and in waving hemisphere 14, improve the self-resetting capability of structure.
This structure also includes a kind of construction method waving Self-resetting self-supporting tall and slender structure, and the method comprises the following steps:
Step (1) is according to design and construction requirement, in factory's segmental machining superstructure 1, and hoop ribbed stiffener 12 and limited support 23 in inside barrel 11, correspondence position welds；Bottom inside in bottom segment welds base plate 15 of putting more energy into, and adding rib 13 bottom the welding of outside, putting more energy into, base plate 15 lower weld waves hemisphere 14；
Step (2) is at structure digging in-situ foundation ditch, template and reinforcing bar is arranged by design size, and arrange common earth anchor 5, shearing resistance earth anchor 7, pre-embedded steel slab 6, drag-line earth anchor 24 and sufficiently long prestressed cable 22 at correspondence position, and then casting concrete carry out maintenance, form cast-in-place ground 4；
The bottommost sections of step (3) location and installation superstructure 1, behind location, by shearing resistance earth anchor 7 through waving hemisphere 14, and fixes with nut, by the prestressed cable arranged in advance through putting more energy into base plate 15 and limited support 23；Between base plate and cast-in-place basis, it is uniformly arranged jack, withstands superstructure 1, prevent from rocking；
Step (4) is the superstructure connecting plate 31 of hinged friction damping device 3 under the base plate of superstructure 1, hinged ground connecting plate 32 on the pre-embedded steel slab 6 on cast-in-place basic 4, is connected by three blocks of plates with high-strength bolt 33, and Shi Hanzhang；
Step (5) utilizes crane, other sections of superstructure 1 are installed one by one, when each sections is installed, prestressed cable 22 is passed the limited support of this sections, when installing to interior hoop ribbed stiffener 12 place sections, prestressed cable 22 is carried out stretch-draw, and anchors with anchoring piece 21, be subsequently mounted sections on it until structure installation；
After step (6) structure installation, remove the jack put more energy between base plate 15 and pre-embedded steel slab 6.
This utility model principle
Owing to the generally vertical load of self-supporting tall and slender structure is less, its vertical load can be transferred to ground by waving hemisphere 14, and the friction damping device 3 simultaneously waving hemisphere 14 periphery also can undertake part vertical load, thus ensure that the normal use of self-supporting tall and slender structure；When having lateral dynamic load function, when vibrational excitation is less, owing to friction damping device 3 has initial sliding friction platform, when stress is less than this platform, device does not slide, thus supports superstructure 1 and do not swing, and the rigidity by superstructure 1 self resists lateral load；When vibrational excitation is bigger, friction damping device 3 stress exceedes its friction platform, start to slide, superstructure 1 swings with the contact point waving hemisphere and cast-in-place ground 4 for axle, the swing that the slip of friction damping device 3 is structure provides damping energy dissipation, thus the swing controlling superstructure 1 will not be excessive, and now superstructure 1 approximates rigid motion, self-deformation is less, and safety is guaranteed；When vibrational excitation is gradually reduced or disappears, the prestressed cable 22 in guy system 2 will retract original position superstructure 1, can be replaced at this moment or keep in repair by vitiable friction damping device 3 in swing process.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (5)
1. one kind is waved Self-resetting self-supporting tall and slender structure, including the conventional superstructure (1) in self-supporting tall and slender structure cross section, cast-in-place ground (4), pre-embedded steel slab (6) and shearing resistance earth anchor (7), it is characterized in that, internal being evenly arranged along inner side of described superstructure (1) organizes guy system (2) more, being provided with between described superstructure (1) and cast-in-place ground (4) and wave hemisphere (14) and friction damping device (3), described friction damping device (3) is arranged on and waves hemisphere (14) periphery.
The most according to claim 1 wave Self-resetting self-supporting tall and slender structure, it is characterized in that, described superstructure (1) includes barrel (11), and it is arranged at the structure base slab (16) of barrel (11) bottom, it is provided with interior hoop ribbed stiffener (12) at the internal certain altitude of described barrel (11), described guy system (2) one end connects interior hoop ribbed stiffener (12), the other end connects cast-in-place ground (4), described planar ends attachment structure base plate (16) waving hemisphere (14), the curved end waving hemisphere (14) is contacted with the pre-embedded steel slab (6) on cast-in-place ground (4) by shearing resistance earth anchor (7), one end of described friction damping device (3) is connected with structure base slab (16), the other end is connected with the pre-embedded steel slab (6) on cast-in-place ground (4).
The most according to claim 2 wave Self-resetting self-supporting tall and slender structure, it is characterized in that, described guy system (2) is by anchoring piece (21), prestressed cable (22), limited support (23) and drag-line earth anchor (24) composition, one end of described prestressed cable (22) is anchored in the interior hoop ribbed stiffener (12) of superstructure (1) by anchoring piece (21), the other end is anchored in cast-in-place ground (4) by drag-line earth anchor (24), described limited support (23) is evenly arranged in barrel (11) inner side along prestressed cable (22) height and position, for control prestressed cable (22) not with barrel (11) interior side contacts.
nullThe most according to claim 2 wave Self-resetting self-supporting tall and slender structure，It is characterized in that，Described friction damping device (3) is by superstructure connecting plate (31)、Ground connecting plate (32)、High-strength bolt (33) and backing plate (34) composition，Described superstructure connecting plate (31) passes through high-strength bolt (33) together with ground connecting plate (32) cross-under，Described backing plate (34) is arranged between ground connecting plate (32) and high-strength bolt (33)，Described superstructure connecting plate (31) is hinged with the structure base slab of superstructure (1) (16)，And the circular hole of slotted hole or bigger is offered at installation high-strength bolt position，For ensureing the relative free sliding degree between superstructure connecting plate (31) with ground connecting plate (32)，Contact surface between superstructure connecting plate (31) and ground connecting plate (32) is frictional connection，And by the prestressing force of regulation high-strength bolt (33) to control corresponding friction parameter，Described ground connecting plate (32) is hinged with the pre-embedded steel slab (6) on cast-in-place ground (4).
The most according to claim 2 wave Self-resetting self-supporting tall and slender structure, it is characterized in that, constitute, with being radially arranged ribbed stiffener, base plate (15) of putting more energy into along structure base slab (16) hoop in described superstructure (1) bottom, it is provided with bottom adding rib (13), for transmitting the power output of friction damping device (3) with base plate of putting more energy into (15) between barrel (11) outside and structure base slab (16) upper end in superstructure (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620181569.7U CN205712546U (en) | 2016-03-10 | 2016-03-10 | One waves Self-resetting self-supporting tall and slender structure |
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| CN201620181569.7U CN205712546U (en) | 2016-03-10 | 2016-03-10 | One waves Self-resetting self-supporting tall and slender structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672517A (en) * | 2016-03-10 | 2016-06-15 | 苏州科技学院 | Swing self-reset and self-standing type high-rise structure |
| CN109958197A (en) * | 2019-04-26 | 2019-07-02 | 福州大学 | Gravity type friction energy-dissipating Self-resetting bean column node and its repositioning method |
| CN112095830A (en) * | 2020-09-14 | 2020-12-18 | 海南大学 | Whole controllable building structure that sways |
| CN113107250A (en) * | 2021-03-26 | 2021-07-13 | 北京工业大学 | Energy-consuming and vibration-damping high-rise building structure system with multiple multidirectional swinging cylinders |
| CN113775073A (en) * | 2021-09-24 | 2021-12-10 | 中衡设计集团股份有限公司 | Assembled shear type damper with vertical constraint release |
-
2016
- 2016-03-10 CN CN201620181569.7U patent/CN205712546U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672517A (en) * | 2016-03-10 | 2016-06-15 | 苏州科技学院 | Swing self-reset and self-standing type high-rise structure |
| CN105672517B (en) * | 2016-03-10 | 2018-02-13 | 苏州科技学院 | One kind waves Self-resetting self-supporting tall and slender structure |
| CN109958197A (en) * | 2019-04-26 | 2019-07-02 | 福州大学 | Gravity type friction energy-dissipating Self-resetting bean column node and its repositioning method |
| CN109958197B (en) * | 2019-04-26 | 2024-03-22 | 福州大学 | Self-heavy friction energy consumption self-resetting beam column node and resetting method thereof |
| CN112095830A (en) * | 2020-09-14 | 2020-12-18 | 海南大学 | Whole controllable building structure that sways |
| CN113107250A (en) * | 2021-03-26 | 2021-07-13 | 北京工业大学 | Energy-consuming and vibration-damping high-rise building structure system with multiple multidirectional swinging cylinders |
| CN113775073A (en) * | 2021-09-24 | 2021-12-10 | 中衡设计集团股份有限公司 | Assembled shear type damper with vertical constraint release |
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