CN113958019A - High-order connection energy dissipation shock-absorbing structure system - Google Patents
High-order connection energy dissipation shock-absorbing structure system Download PDFInfo
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- E—FIXED CONSTRUCTIONS
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- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
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- 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
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- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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Abstract
The invention provides a high-level connection energy dissipation and shock absorption structural system, and belongs to the technical field of seismic resistance and shock absorption of high-rise and super high-rise structures. The technical problems that the high-rise building structure is influenced by earthquake and wind vibration, the position where the damper can be arranged is limited, and the relative deformation of the arranged position of the damper is small, so that the damping and energy dissipation performance cannot be fully exerted are solved. The technical scheme is as follows: the utility model provides an energy consumption shock-absorbing structure system is connected to high-order, includes outside main frame, inside strong core component, upper portion hangs subframe, rigid connection spare, power consumption subassembly and bearing structure, and outside main frame is connected through the horizontal slip subassembly with inside strong core component hypomere. The invention has the beneficial effects that: the invention concentrates the deformation of the structure on a higher layer, further increases the displacement of the energy consumption system, reduces the consumption of damping elements and further reduces the damping cost.
Description
Technical Field
The invention relates to the technical field of seismic resistance and shock absorption of high-rise and super high-rise structures, in particular to a high-level connection energy-consumption shock absorption structure system.
Background
At present, earthquake and wind vibration in the structural design of a high-rise building are two important factors influencing the structural design, the most economical and effective method for solving the problem is to adopt an energy dissipation and shock absorption technology, but because a self structural system of the high-rise building, such as a frame-cylinder structure, has the characteristic of high rigidity, the interlayer deformation is relatively small under the condition of frequent earthquakes or is limited by certain specific conditions, when the collision with important equipment occurs, the position where a damper can be arranged is limited, and the shock absorption and energy dissipation performance cannot be fully exerted because the relative deformation of the arranged position of the damper is small. The traditional damper arrangement mode, such as layer-by-layer distribution and top layer suspension TMD, has low working efficiency, and usually needs more dampers arranged in a layer-by-layer distribution mode to meet the requirement, thereby increasing the construction cost and influencing the use function of the building.
How to solve the above technical problems is the subject of the present invention.
Disclosure of Invention
The invention aims to solve the problems of the prior art and provides a high-level connection energy-consumption shock-absorption structure system, which aims to solve the problems that the high-rise building structure has small interlayer deformation, the damper is limited to exert energy efficiency and the structure shock-absorption effect is poor.
The invention is realized by the following measures: the utility model provides an energy-consuming shock-absorbing structure system is connected to high-order, includes outside main frame, inside strong core component, upper portion and hangs subframe, rigid connection spare, energy-consuming shock-absorbing structure system is connected to high-order still includes power consumption subassembly and bearing structure, outside main frame passes through horizontal sliding assembly with inside strong core component hypomere and is connected, upper portion hang the subframe with outside main frame is connected through rigid connection spare, bearing structure sets up between upper portion hangs subframe and the inside strong core component for transmit vertical direction load and restriction horizontal displacement, the power consumption subassembly concentrate arrange in between upper portion hangs subframe and the inside strong core component for to inside strong core and outside main frame lateral deformation form the horizontal direction energy dissipation of high-order deformation concentration area.
Further, the outer main frame mainly bears vertical load and most of the using functions of the building, and provides certain lateral rigidity.
Further, the bottom of the internal strong core component is fixed with the ground, and two sides of the internal strong core component are lapped with the external main frame through the horizontal sliding assembly; the internal strong core component mainly bears vertical load and provides displacement deformation difference at the structural subareas.
Furthermore, the upper suspension subframe can be a steel frame or a concrete frame and is mainly used for controlling the uniform deformation of each floor of the external main frame corresponding to the lower part, improving the ductility of the structure and inhibiting the generation of weak layers, the height of the upper suspension subframe is uncertain, and the required height of the upper suspension subframe can be determined according to actual engineering.
Furthermore, the energy dissipation assembly is a viscous damping wall, a high-order deformation concentration area is formed by different lateral deformation capacities of the internal strong core component and the external main frame, and the energy dissipation assembly is intensively arranged on the viscous damping wall and used for damping and dissipating energy;
or the energy dissipation component is a viscous damping wall or a viscous damper or a metal damper.
Furthermore, the high-level connection energy dissipation and shock absorption mechanism system adopts a polymerization damping system which consists of two parts, namely an energy dissipation component and a bearing structure, wherein the bearing structure is mainly responsible for transmitting upper load and has a horizontal displacement limiting function, and the energy dissipation component utilizes the poor deformation capacity of an internal strong core component and an upper suspension subframe to intensively dissipate external excitation in the polymerization damping system.
Furthermore, the bearing structure is a rubber support which is formed by laminating and vulcanizing steel plates and rubber, has higher vertical rigidity and relatively lower horizontal rigidity, and is used for transmitting upper load and limiting certain horizontal displacement;
or the bearing structure is a sliding support with larger deformation, the sliding support comprises an upper support, a lower support and a sliding block, the concave arc curved surface of the upper support and the concave arc curved surface of the lower support are arranged oppositely, and the sliding block is arranged between the concave arc curved surface of the upper support and the concave arc curved surface of the lower support in a sliding manner and is used for transmitting upper load and limiting horizontal displacement.
Further, the horizontal sliding assembly comprises an L-shaped fixed seat connected to the inner side of the outer main frame, a movable clamping seat connected to the lower section of the inner strong core component and mutually buckled with the L-shaped fixed seat, and a return tension spring or an elastic steel plate arranged between the L-shaped fixed seat and the movable clamping seat and used for limiting the relative position between the L-shaped fixed seat and the movable clamping seat.
Furthermore, the bearing structure comprises a connecting top plate, a limiting guide hole is formed in the center of gravity of the connecting top plate, a damping frame, an elastic element and a backing plate element are sequentially arranged on one side of the connecting top plate along the axis direction of the limiting guide hole, a guide shaft which sequentially penetrates through the damping frame, the elastic element and the backing plate element is sleeved in the limiting guide hole, a connecting sleeve is further sleeved on the guide shaft in a sliding manner, one end of the connecting sleeve is connected with the elastic element, and the other end of the connecting sleeve is connected with a connecting steel plate on an internal strong core component; and two ends of the shock absorption frame are respectively provided with a buffer compression spring connected with the backing plate element.
Furthermore, the elastic element is composed of a transverse support plate sleeved on the guide shaft, two limit baffles respectively connected to two ends of the transverse support plate, an arc buffer piece with one end respectively connected to the two limit baffles, and two pressure springs connecting the transverse support plate and the shock absorption frame; and the other end of the arc-shaped buffer part is connected with a guide sleeve, and the guide sleeve is in sliding fit with the guide shaft.
Furthermore, the backing plate element consists of a middle connecting plate and two backing plates connected to two free end parts of the middle connecting plate, and the center of the middle connecting plate is connected with the guide shaft.
Furthermore, the bearing structure comprises an upper triangular base plate and a lower triangular base plate which are respectively connected with the top surface of the internal strong core part and the bottom surface of the upper suspension auxiliary frame, and four elastic supporting elements which are sleeved between the upper triangular base plate and the lower triangular base plate, wherein three elastic supporting elements are respectively positioned at three corners of the upper triangular base plate and the lower triangular base plate, and the other elastic supporting element is arranged at the gravity center of the upper triangular base plate and the lower triangular base plate;
each elastic supporting element consists of a base fixedly connected to the inner strong core component, a supporting column connected to the base, a touch piece arranged at the top of the supporting column and a buffer spring surrounding the supporting column.
Further, the rigid connecting piece is a detachable connecting piece or a non-detachable connecting piece, wherein the detachable connecting piece is a bolt or a hoop, and the non-detachable connecting piece is a locked welding piece; wherein, rigid connection connects outside main frame and the corresponding upper portion and hangs the subframe, and in actual building, the floor can play the effect of rigid connecting rod.
Furthermore, the high-level connection energy-consumption shock absorption structure system realizes structural zoning by additionally arranging a polymerization damping system on the upper part section of the structure, can fully utilize the lateral deformation capacity difference of an internal strong core component and an external main frame, and takes the polymerization damping system arranged at a deformation concentration position as an energy consumption system, thereby reducing the overall seismic reaction of the structure; the energy dissipation system can be a speed type oil damper, a viscous damping wall, a friction type damper, a displacement type metal damper and the like.
The outer main frame mainly bears vertical load and the use functions of most of buildings, and provides certain lateral stiffness; the internal strong core component mainly bears vertical load and provides displacement deformation difference at the structural subareas; the upper suspension subframe is mainly used for controlling the uniform deformation of the lower part corresponding to each floor of the main frame, improving the ductility of the structure and inhibiting the generation of weak layers.
The aggregation damping system is composed of two parts, the bearing structure is mainly responsible for transmitting upper load and has a horizontal displacement limiting effect, and the energy consumption assembly intensively dissipates external excitation in the aggregation damping system by utilizing the difference of the deformation capacity of the upper suspension subframe and the internal strong core component; the rigid connecting arrow is connected with the outer main frame and the corresponding upper suspension subframe, and the floor slab can play a rigid connecting role in actual buildings.
Compare in traditional frame core section of thick bamboo structure, through add the polymerization damping system in upper floor position, divide into two parts with overall structure:
the upper suspension subframe consists of an upper suspension subframe, an internal supporting structure, an upper main frame structure and rigid connecting pieces corresponding to floors; the upper supporting suspension frame structure has higher lateral stiffness, can reduce the deformation of the upper supporting suspension frame structure under the action of an earthquake, and can work with the polymerization damping system in a cooperative manner to inhibit the 'whip tip effect' and improve the lateral stiffness and the bearing capacity of the whole structure.
The lower polymerization damping energy dissipation structure is formed by mutually separating an internal strong core component and an external main frame at the lower part, the lateral deformation capacity of the internal strong core component is small, the lateral deformation capacity of the external main frame is slightly large, relative displacement difference is formed at a subsection position, the effect of shock absorption can be fully exerted, plastic damage is concentrated in a local area while high-efficiency energy consumption is achieved, input excitation to an upper suspension subframe can be weakened through the lower polymerization damping energy dissipation structure, and then seismic response of the external main frame is reduced.
Compared with the prior art, the invention has the beneficial effects that:
(1) the upper supporting suspension frame structure of the high floor is composed of an external main frame, an internal strong core component, an upper suspension subframe, an energy dissipation assembly, a bearing structure and rigid connecting pieces corresponding to the floor, the lateral stiffness of the upper suspension subframe is high, deformation of the upper suspension subframe under the action of an earthquake can be reduced, the upper suspension subframe and a polymerization damping system work cooperatively, the 'whip tip effect' is inhibited, and the lateral stiffness and the bearing capacity of the whole structure are improved.
(2) The lower polymerization damping system is formed by mutually separating an inner strong core component and an outer main frame at the lower part, the inner strong core component has small lateral deformation capacity, the outer main frame has slightly large lateral deformation capacity, relative displacement difference is formed at the subsection position, the vibration absorption effect can be fully exerted, the plastic damage is concentrated in a local area while the energy is efficiently consumed, the input excitation to the upper suspension sub-frame can be weakened by the lower polymerization damping system, and the seismic response of the outer main frame is further reduced.
(3) The energy dissipation assembly is arranged between the upper suspension subframe and the internal strong core component in a centralized manner and is used for dissipating energy in the horizontal direction of a high-position deformation centralized region formed by lateral deformation of the internal strong core and the external main frame;
(4) the bearing structure is arranged between the upper suspension subframe and the internal strong core component and is used for transmitting load in the vertical direction and limiting horizontal displacement;
(5) the invention solves the problems of large lateral rigidity, small effective displacement between layers and low working efficiency of the traditional high-rise common structural system.
(6) The energy consumption system is intensively arranged at a certain floor, so that the maintenance and the replacement are convenient, and the use of other structures of the building is not influenced.
(7) The invention concentrates the deformation of the structure on a higher layer, further increases the displacement of the energy consumption system, reduces the consumption of damping elements and further reduces the damping cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic view of a partially enlarged structure of a region a in fig. 1.
Fig. 3 is a second schematic view of a partially enlarged structure of the area a in fig. 1.
Fig. 4 is a schematic diagram of a partially enlarged structure of a region a in fig. 1.
Fig. 5 is a schematic diagram of a partially enlarged structure of the area a in fig. 1.
Fig. 6 is a schematic view of a partially enlarged structure of the region B.
Fig. 7 is a first schematic structural diagram of an energy dissipation assembly according to the present invention.
Fig. 8 is a schematic structural diagram of an energy dissipation assembly according to the present invention.
FIG. 9 is a schematic structural diagram of a shock absorbing mount according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of an elastic element according to an embodiment of the present invention.
Fig. 11 is a schematic structural view of a backing plate member according to an embodiment of the present invention.
Fig. 12 is a schematic structural diagram of a load-bearing structure according to an embodiment of the present invention.
Fig. 13 is a partial structural schematic view of a load-bearing structure according to an embodiment of the present invention.
Fig. 14 is a schematic structural diagram of an elastic supporting element according to an embodiment of the invention.
Wherein the reference numerals are:
1. an outer main frame;
2. an inner strong core component;
3. an upper suspension subframe;
4. a rigid connection;
5. an energy consuming component;
6. a load bearing structure; 60. connecting the top plate; 600. limiting a guide hole; 61. a shock-absorbing mount; 62. an elastic element; 620. a transverse support plate; 621. a limit baffle; 622. an arc-shaped buffer member; 623. a pressure spring; 624. a guide sleeve; 63. a backing plate element; 630. a middle connecting plate; 631. a base plate; 64. a guide shaft; 65. connecting sleeves; 66. buffering a pressure spring; 67. an upper triangular base plate; 68. a lower triangular base plate; 69. an elastic support member; 691. a base; 692. a support pillar; 693. a touch member; 694. a buffer spring;
7. a horizontal sliding assembly; 70. an L-shaped fixed seat; 71. moving the card holder; 72. and a return tension spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
Example 1
Referring to fig. 1, 2 and 6, the invention provides a technical scheme that the high-level connection energy dissipation and shock absorption structure system comprises an external main frame 1, an internal strong core component 2, an upper suspension subframe 3 and a rigid connecting piece 4, the high-level connection energy dissipation and shock absorption structure system also comprises an energy dissipation assembly 5 and a bearing structure 6, the lower sections of the external main frame 1 and the internal strong core component 2 are connected through a horizontal sliding assembly 7, the upper suspension subframe 3 and the external main frame 1 are connected through the rigid connecting piece 4, the bearing structure 6 is arranged between the upper suspension subframe 3 and the internal strong core component 2, for transmitting loads in the vertical direction and limiting horizontal displacement, energy dissipation assemblies 5 are arranged between the upper suspension subframe 3 and the inner strong core component 2 in a concentrated manner, the horizontal energy dissipation device is used for forming a high-position deformation concentration area for the lateral deformation of the inner strong core 2 and the outer main frame 1.
Preferably, the outer main frame 1 mainly takes up vertical loads and most of the functions of the building in use and provides a certain lateral stiffness.
Preferably, the bottom of the inner strong core component 2 is fixed with the ground, and both sides thereof are lapped with the outer main frame 1 through the horizontal sliding component 7; wherein, the internal strong core component 2 mainly bears vertical load and provides displacement deformation difference at the structural subareas.
Preferably, the upper suspension subframe 3 may be a steel frame or a concrete frame, and is mainly used to control the uniform deformation of each floor of the corresponding lower external main frame 1, improve the ductility of the structure, suppress the generation of weak layers, and determine the height of the upper suspension subframe 3 required by the upper suspension subframe according to actual engineering.
Preferably, the energy dissipation assembly 5 is a viscous damping wall, a high-order deformation concentration area is formed by the fact that the lateral deformation capacities of the internal strong core component 2 and the external main frame 1 are different, and the energy dissipation assembly is intensively arranged on the viscous damping wall and used for shock absorption and energy dissipation.
Preferably, the high-level connection energy dissipation and shock absorption mechanism system is composed of an energy dissipation assembly 5 and a bearing structure 6, the bearing structure 6 is mainly used for transmitting upper load and has a horizontal displacement limiting effect, and the energy dissipation assembly 5 is used for dissipating external excitation in the aggregation damping system in a centralized manner by utilizing the deformation capacity difference of an internal strong core component 2 and an upper suspension subframe 3.
Preferably, the bearing structure 6 is a rubber support which is formed by laminating and vulcanizing steel plates and rubber, has high vertical rigidity and relatively low horizontal rigidity, and is used for transmitting upper load and limiting certain horizontal displacement.
Preferably, the horizontal sliding assembly 7 includes an L-shaped fixing base 70 connected to the inner side of the outer main frame 1, a movable clamping base 71 connected to the lower section of the inner core component 2 and engaged with the L-shaped fixing base 70, and a return tension spring 72 or an elastic steel plate disposed between the L-shaped fixing base 70 and the movable clamping base 71 and used for limiting the relative position between the L-shaped fixing base 70 and the movable clamping base 71.
Preferably, the rigid connection 4 is a bolted connection; wherein the rigid connection 4 connects the outer main frame 1 with the corresponding upper suspension sub-frame 3, the floor slab can function as a rigid connection rod in the actual building.
Preferably, the high-level connection energy-consumption shock absorption structure system realizes structural zoning by additionally arranging a polymerization damping system on the upper part section of the structure, can fully utilize the lateral deformation capacity difference of the internal strong core component 2 and the external main frame 1, and takes the polymerization damping system distributed at the deformation concentration position as an energy consumption system, thereby reducing the overall seismic reaction of the structure; the energy dissipation system can be a speed type oil damper, a viscous damping wall, a friction type damper, a displacement type metal damper and the like.
The working principle of the invention is as follows:
the external main frame 1 mainly bears vertical load and most of the using functions of the building and provides certain lateral stiffness; the internal strong core component 2 mainly bears vertical load and provides displacement deformation difference at the structural subareas; the upper suspension subframe 3 is mainly used for controlling the uniform deformation of the lower part corresponding to each floor of the main frame, improving the ductility of the structure and inhibiting the generation of weak layers.
The polymerization damping system is composed of two parts, the bearing structure 6 is mainly responsible for transmitting upper load and has a horizontal displacement limiting effect, and the energy consumption assembly 5 utilizes the difference of the deformation capacity of the upper suspension subframe 3 and the internal strong core component 2 to intensively dissipate external excitation in the polymerization damping system; the rigid connecting arrow 4 connects the outer main frame 1 and the corresponding upper suspension subframe 3, and the floor slab can play a rigid connecting role in actual buildings.
Compare in traditional frame core section of thick bamboo structure, through add the polymerization damping system in upper floor position, divide into two parts with overall structure:
the upper suspension subframe 3 consists of an upper suspension subframe, an internal supporting structure, an upper main frame structure and rigid connecting pieces 4 corresponding to floors; the upper supporting suspension frame structure has higher lateral stiffness, can reduce the deformation of the upper supporting suspension frame structure under the action of an earthquake, and can work with the polymerization damping system in a cooperative manner to inhibit the 'whip tip effect' and improve the lateral stiffness and the bearing capacity of the whole structure.
The lower part polymerization damping energy dissipation structure is composed of an internal strong core component 2 and an external main frame 1 at the lower part which are separated from each other, the lateral deformation capacity of the internal strong core component 2 is small, the lateral deformation capacity of the external main frame 1 is slightly large, relative displacement difference is formed at a subsection position, the effect of shock absorption can be fully exerted, plastic damage is concentrated in a local area while energy is efficiently consumed, the lower part polymerization damping energy dissipation structure can weaken input excitation to an upper part suspension subframe 3, and further earthquake response of the external main frame 1 is reduced.
Example 2
Referring to fig. 1, 3, 4, 5 and 6, the invention provides a technical scheme that the high-level connection energy dissipation and shock absorption structure system comprises an external main frame 1, an internal strong core component 2, an upper suspension sub-frame 3 and a rigid connecting piece 4, the high-level connection energy dissipation and shock absorption structure system further comprises an energy dissipation assembly 5 and a bearing structure 6, the external main frame 1 is connected with the lower section of the internal strong core component 2 through a horizontal sliding assembly 7, the upper suspension sub-frame 3 is connected with the external main frame 1 through the rigid connecting piece 4, the bearing structure 6 is arranged between the upper suspension sub-frame 3 and the internal strong core component 2 and is used for transmitting vertical loads and limiting horizontal displacement, the energy dissipation assembly 5 is arranged between the upper suspension sub-frame 3 and the internal strong core component 2 in a centralized manner and is used for forming a high-level deformation centralized region of horizontal energy for lateral deformation of the internal strong core 2 and the external main frame 1 And (6) dissipating.
Preferably, the outer main frame 1 mainly takes up vertical loads and most of the functions of the building in use and provides a certain lateral stiffness.
Preferably, the bottom of the inner strong core component 2 is fixed with the ground, and both sides thereof are lapped with the outer main frame 1 through the horizontal sliding component 7; wherein, the internal strong core component 2 mainly bears vertical load and provides displacement deformation difference at the structural subareas.
Preferably, the upper suspension subframe 3 may be a steel frame or a concrete frame, and is mainly used to control the uniform deformation of each floor of the corresponding lower external main frame 1, improve the ductility of the structure, suppress the generation of weak layers, and determine the height of the upper suspension subframe 3 required by the upper suspension subframe according to actual engineering.
Preferably, the energy dissipation assembly 5 is a viscous damping wall as shown in fig. 3, the viscous damper is shown in fig. 4, and the metal damper is shown in fig. 5, and the internal strong core component 2 and the external main frame 1 have different lateral deformation capabilities to form a high-level deformation concentration area, and are intensively arranged on the viscous damping wall for damping and dissipating energy.
The bearing structure 6 is a sliding support which comprises an upper support, a lower support and a sliding block, wherein the concave arc curved surface of the upper support and the concave arc curved surface of the lower support are arranged oppositely, and the sliding block is arranged between the concave arc curved surface of the upper support and the concave arc curved surface of the lower support in a sliding mode and used for transmitting upper load and limiting horizontal displacement.
Preferably, the high-level connection energy dissipation and shock absorption mechanism system is composed of an energy dissipation assembly 5 and a bearing structure 6, the bearing structure 6 is mainly used for transmitting upper load and has a horizontal displacement limiting effect, and the energy dissipation assembly 5 is used for dissipating external excitation in the aggregation damping system in a centralized manner by utilizing the deformation capacity difference of an internal strong core component 2 and an upper suspension subframe 3.
Preferably, the bearing structure 6 is a rubber support which is formed by laminating and vulcanizing steel plates and rubber, has high vertical rigidity and relatively low horizontal rigidity, and is used for transmitting upper load and limiting certain horizontal displacement;
preferably, the horizontal sliding assembly 7 includes an L-shaped fixing base 70 connected to the inner side of the outer main frame 1, a movable clamping base 71 connected to the lower section of the inner core component 2 and engaged with the L-shaped fixing base 70, and a return tension spring 72 or an elastic steel plate disposed between the L-shaped fixing base 70 and the movable clamping base 71 and used for limiting the relative position between the L-shaped fixing base 70 and the movable clamping base 71.
Preferably, the rigid connection 4 is a bolted connection; wherein the rigid connection 4 connects the outer main frame 1 with the corresponding upper suspension sub-frame 3, the floor slab can function as a rigid connection rod in the actual building.
Preferably, the high-level connection energy-consumption shock absorption structure system realizes structural zoning by additionally arranging a polymerization damping system on the upper part section of the structure, can fully utilize the lateral deformation capacity difference of the internal strong core component 2 and the external main frame 1, and takes the polymerization damping system distributed at the deformation concentration position as an energy consumption system, thereby reducing the overall seismic reaction of the structure; the energy dissipation system can be a speed type oil damper, a viscous damping wall, a friction type damper, a displacement type metal damper and the like.
The working principle of the invention is as follows:
the external main frame 1 mainly bears vertical load and most of the using functions of the building and provides certain lateral stiffness; the internal strong core component 2 mainly bears vertical load and provides displacement deformation difference at the structural subareas; the upper suspension subframe 3 is mainly used for controlling the uniform deformation of the lower part corresponding to each floor of the main frame, improving the ductility of the structure and inhibiting the generation of weak layers.
The polymerization damping system is composed of two parts, the bearing structure 6 is mainly responsible for transmitting upper load and has a horizontal displacement limiting effect, and the energy consumption assembly 5 utilizes the difference of the deformation capacity of the upper suspension subframe 3 and the internal strong core component 2 to intensively dissipate external excitation in the polymerization damping system; the rigid connecting arrow 4 connects the outer main frame 1 and the corresponding upper suspension subframe 3, and the floor slab can play a rigid connecting role in actual buildings.
Compare in traditional frame core section of thick bamboo structure, through add the polymerization damping system in upper floor position, divide into two parts with overall structure:
the upper suspension subframe 3 consists of an upper suspension subframe, an internal supporting structure, an upper main frame structure and rigid connecting pieces 4 corresponding to floors; the upper supporting suspension frame structure has higher lateral stiffness, can reduce the deformation of the upper supporting suspension frame structure under the action of an earthquake, and can work with the polymerization damping system in a cooperative manner to inhibit the 'whip tip effect' and improve the lateral stiffness and the bearing capacity of the whole structure.
The lower part polymerization damping energy dissipation structure is composed of an internal strong core component 2 and an external main frame 1 at the lower part which are separated from each other, the lateral deformation capacity of the internal strong core component 2 is small, the lateral deformation capacity of the external main frame 1 is slightly large, relative displacement difference is formed at a subsection position, the effect of shock absorption can be fully exerted, plastic damage is concentrated in a local area while energy is efficiently consumed, the lower part polymerization damping energy dissipation structure can weaken input excitation to an upper part suspension subframe 3, and further earthquake response of the external main frame 1 is reduced.
Example 3
See fig. 1-11; the utility model provides an energy consumption shock-absorbing structure system is connected to high-order, including outside main frame 1, inside strong core component 2, upper portion hangs subframe 3, rigid connection 4, energy consumption subassembly 5 and load-bearing structure 6 are still connected to high-order, outside main frame 1 is connected through horizontal slip subassembly 7 with inside strong core component 2 hypomere, upper portion hangs subframe 3 and is connected through rigid connection 4 with outside main frame 1, load-bearing structure 6 sets up between upper portion hangs subframe 3 and inside strong core component 2, be used for transmitting vertical direction load and restriction horizontal displacement, energy consumption subassembly 5 arranges in a concentrated way between upper portion hangs subframe 3 and inside strong core component 2, be used for forming the horizontal direction energy dissipation of high-order deformation concentration region to inside strong core 2 and outside main frame 1 lateral deformation.
Preferably, the outer main frame 1 mainly takes up vertical loads and most of the functions of the building in use and provides a certain lateral stiffness.
Preferably, the bottom of the inner strong core component 2 is fixed with the ground, and both sides thereof are lapped with the outer main frame 1 through the horizontal sliding component 7; wherein, the internal strong core component 2 mainly bears vertical load and provides displacement deformation difference at the structural subareas.
Preferably, the upper suspension subframe 3 may be a steel frame or a concrete frame, and is mainly used to control the uniform deformation of each floor of the corresponding lower external main frame 1, improve the ductility of the structure, suppress the generation of weak layers, and determine the height of the upper suspension subframe 3 required by the upper suspension subframe according to actual engineering.
Preferably, the energy dissipation assembly 5 is a viscous damping wall as shown in fig. 3, the viscous damper is shown in fig. 4, and the metal damper is shown in fig. 5, and the internal strong core component 2 and the external main frame 1 have different lateral deformation capabilities to form a high-level deformation concentration area, and are intensively arranged on the viscous damping wall for damping and dissipating energy.
Preferably, the high-level connection energy dissipation and shock absorption mechanism system is composed of an energy dissipation assembly 5 and a bearing structure 6, the bearing structure 6 is mainly used for transmitting upper load and has a horizontal displacement limiting effect, and the energy dissipation assembly 5 is used for dissipating external excitation in the aggregation damping system in a centralized manner by utilizing the deformation capacity difference of an internal strong core component 2 and an upper suspension subframe 3.
Preferably, the horizontal sliding assembly 7 includes an L-shaped fixing base 70 connected to the inner side of the outer main frame 1, a movable clamping base 71 connected to the lower section of the inner core component 2 and engaged with the L-shaped fixing base 70, and a return tension spring 72 or an elastic steel plate disposed between the L-shaped fixing base 70 and the movable clamping base 71 and used for limiting the relative position between the L-shaped fixing base 70 and the movable clamping base 71.
Preferably, the bearing structure 6 includes a connecting top plate 60, a limiting guide hole 600 is formed at the center of gravity of the connecting top plate 60, a shock-absorbing frame 61, an elastic element 62 and a backing plate element 63 are sequentially arranged on one side of the connecting top plate 60 along the axial direction of the limiting guide hole 600, a guide shaft 64 sequentially penetrating through the shock-absorbing frame 61, the elastic element 62 and the backing plate element 63 is sleeved in the limiting guide hole 600, a connecting sleeve 65 is further slidably sleeved on the guide shaft 64, one end of the connecting sleeve 65 is connected with the elastic element 62, and the other end is connected with a connecting steel plate on the internal strong core component 2; a buffer compression spring 66 connected with the backing plate element 63 is respectively arranged at two ends of the shock absorption frame 61.
Preferably, the elastic element 62 is composed of a transverse support plate 620 sleeved on the guide shaft 64, two limit baffles 621 respectively connected to two ends of the transverse support plate 620, an arc-shaped buffer 622 with one end connected to the two limit baffles 621 respectively, and two compression springs 623 connecting the transverse support plate 620 and the shock absorption frame 61; the other end of the two arc-shaped buffer parts 622 is connected with a guide sleeve 624, and the guide sleeve 624 is in sliding fit with the guide shaft 64.
Preferably, the pad member 63 is composed of a middle connection plate 630 and two pads 631 connected to both free ends of the middle connection plate 630, and the guide shaft 64 is connected to the center of the middle connection plate 630.
Preferably, the rigid connecting piece 4 is a detachable connecting piece or a non-detachable connecting piece, wherein the detachable connecting piece is a bolt or a hoop, and the non-detachable connecting piece is a locked welding piece; wherein the rigid connection 4 connects the outer main frame 1 with the corresponding upper suspension sub-frame 3, the floor slab can function as a rigid connection rod in the actual building.
Preferably, the high-level connection energy-consumption shock absorption structure system realizes structural zoning by additionally arranging a polymerization damping system on the upper part section of the structure, can fully utilize the lateral deformation capacity difference of the internal strong core component 2 and the external main frame 1, and takes the polymerization damping system distributed at the deformation concentration position as an energy consumption system, thereby reducing the overall seismic reaction of the structure; the energy dissipation system can be a speed type oil damper, a viscous damping wall, a friction type damper, a displacement type metal damper and the like.
The working principle of the invention is as follows:
the external main frame 1 mainly bears vertical load and most of the using functions of the building and provides certain lateral stiffness; the internal strong core component 2 mainly bears vertical load and provides displacement deformation difference at the structural subareas; the upper suspension subframe 3 is mainly used for controlling the uniform deformation of the lower part corresponding to each floor of the main frame, improving the ductility of the structure and inhibiting the generation of weak layers.
The polymerization damping system is composed of two parts, the bearing structure 6 is mainly responsible for transmitting upper load and has a horizontal displacement limiting effect, and the energy consumption assembly 5 utilizes the difference of the deformation capacity of the upper suspension subframe 3 and the internal strong core component 2 to intensively dissipate external excitation in the polymerization damping system; the rigid connection 4 connects the outer main frame 1 with the corresponding upper suspension sub-frame 3, and in actual construction, the floor slab can play a role of rigid connection.
Compare in traditional frame core section of thick bamboo structure, through add the polymerization damping system in upper floor position, divide into two parts with overall structure:
the upper suspension subframe 3 consists of an upper suspension subframe, an internal supporting structure, an upper main frame structure and rigid connecting pieces 4 corresponding to floors; the upper supporting suspension frame structure has higher lateral stiffness, can reduce the deformation of the upper supporting suspension frame structure under the action of an earthquake, and can work with the polymerization damping system in a cooperative manner to inhibit the 'whip tip effect' and improve the lateral stiffness and the bearing capacity of the whole structure.
The lower part polymerization damping energy dissipation structure is composed of an internal strong core component 2 and an external main frame 1 at the lower part which are separated from each other, the lateral deformation capacity of the internal strong core component 2 is small, the lateral deformation capacity of the external main frame 1 is slightly large, relative displacement difference is formed at a subsection position, the effect of shock absorption can be fully exerted, plastic damage is concentrated in a local area while energy is efficiently consumed, the lower part polymerization damping energy dissipation structure can weaken input excitation to an upper part suspension subframe 3, and further earthquake response of the external main frame 1 is reduced.
Example 4
See fig. 1-6, fig. 12-14; the utility model provides an energy consumption shock-absorbing structure system is connected to high-order, including outside main frame 1, inside strong core component 2, upper portion hangs subframe 3, rigid connection 4, energy consumption subassembly 5 and load-bearing structure 6 are still connected to high-order, outside main frame 1 is connected through horizontal slip subassembly 7 with inside strong core component 2 hypomere, upper portion hangs subframe 3 and is connected through rigid connection 4 with outside main frame 1, load-bearing structure 6 sets up between upper portion hangs subframe 3 and inside strong core component 2, be used for transmitting vertical direction load and restriction horizontal displacement, energy consumption subassembly 5 arranges in a concentrated way between upper portion hangs subframe 3 and inside strong core component 2, be used for forming the horizontal direction energy dissipation of high-order deformation concentration region to inside strong core 2 and outside main frame 1 lateral deformation.
Preferably, the outer main frame 1 mainly takes up vertical loads and most of the functions of the building in use and provides a certain lateral stiffness.
Preferably, the bottom of the inner strong core component 2 is fixed with the ground, and both sides thereof are lapped with the outer main frame 1 through the horizontal sliding component 7; wherein, the internal strong core component 2 mainly bears vertical load and provides displacement deformation difference at the structural subareas.
Preferably, the upper suspension subframe 3 may be a steel frame or a concrete frame, and is mainly used to control the uniform deformation of each floor of the corresponding lower external main frame 1, improve the ductility of the structure, suppress the generation of weak layers, and determine the height of the upper suspension subframe 3 required by the upper suspension subframe according to actual engineering.
Preferably, the energy dissipation assembly 5 is a viscous damping wall as shown in fig. 3, the viscous damper is shown in fig. 4, and the metal damper is shown in fig. 5, and the internal strong core component 2 and the external main frame 1 have different lateral deformation capabilities to form a high-level deformation concentration area, and are intensively arranged on the viscous damping wall for damping and dissipating energy.
Preferably, the high-level connection energy dissipation and shock absorption mechanism system is composed of an energy dissipation assembly 5 and a bearing structure 6, the bearing structure 6 is mainly used for transmitting upper load and has a horizontal displacement limiting effect, and the energy dissipation assembly 5 is used for dissipating external excitation in the aggregation damping system in a centralized manner by utilizing the deformation capacity difference of an internal strong core component 2 and an upper suspension subframe 3.
Preferably, the horizontal sliding assembly 7 includes an L-shaped fixing base 70 connected to the inner side of the outer main frame 1, a movable clamping base 71 connected to the lower section of the inner core component 2 and engaged with the L-shaped fixing base 70, and a return tension spring 72 or an elastic steel plate disposed between the L-shaped fixing base 70 and the movable clamping base 71 and used for limiting the relative position between the L-shaped fixing base 70 and the movable clamping base 71.
Preferably, the bearing structure 6 comprises an upper triangular base plate 60 and a lower triangular base plate 61 respectively connected with the top surface of the inner strong core component 2 and the bottom surface of the upper suspension sub-frame 3, and four elastic support elements 62 sleeved between the upper triangular base plate 60 and the lower triangular base plate 61, wherein three elastic support elements 62 are respectively positioned at the triangular positions of the upper triangular base plate 60 and the lower triangular base plate 61, and the other elastic support element 62 is arranged at the gravity center position of the upper triangular base plate 60 and the lower triangular base plate 61;
each elastic support element 62 is composed of a base 621 fixedly connected to the inner core member 2, a support column 622 connected to the base 621, a touch member 623 disposed on top of the support column 622, and a buffer spring 624 surrounding the support column 622.
Preferably, the rigid connecting piece 4 is a detachable connecting piece or a non-detachable connecting piece, wherein the detachable connecting piece is a bolt or a hoop, and the non-detachable connecting piece is a locked welding piece; wherein the rigid connection 4 connects the outer main frame 1 with the corresponding upper suspension sub-frame 3, the floor slab can function as a rigid connection rod in the actual building.
Preferably, the high-level connection energy-consumption shock absorption structure system realizes structural zoning by additionally arranging a polymerization damping system on the upper part section of the structure, can fully utilize the lateral deformation capacity difference of the internal strong core component 2 and the external main frame 1, and takes the polymerization damping system distributed at the deformation concentration position as an energy consumption system, thereby reducing the overall seismic reaction of the structure; the energy dissipation system can be a speed type oil damper, a viscous damping wall, a friction type damper, a displacement type metal damper and the like.
The working principle of the invention is as follows:
the external main frame 1 mainly bears vertical load and most of the using functions of the building and provides certain lateral stiffness; the internal strong core component 2 mainly bears vertical load and provides displacement deformation difference at the structural subareas; the upper suspension subframe 3 is mainly used for controlling the uniform deformation of the lower part corresponding to each floor of the main frame, improving the ductility of the structure and inhibiting the generation of weak layers.
The polymerization damping system is composed of two parts, the bearing structure 6 is mainly responsible for transmitting upper load and has a horizontal displacement limiting effect, and the energy consumption assembly 5 utilizes the difference of the deformation capacity of the upper suspension subframe 3 and the internal strong core component 2 to intensively dissipate external excitation in the polymerization damping system; the rigid connection 4 connects the outer main frame 1 with the corresponding upper suspension sub-frame 3, and in actual construction, the floor slab can play a role of rigid connection.
Compare in traditional frame core section of thick bamboo structure, through add the polymerization damping system in upper floor position, divide into two parts with overall structure:
the upper suspension subframe 3 consists of an upper suspension subframe, an internal supporting structure, an upper main frame structure and rigid connecting pieces 4 corresponding to floors; the upper supporting suspension frame structure has higher lateral stiffness, can reduce the deformation of the upper supporting suspension frame structure under the action of an earthquake, and can work with the polymerization damping system in a cooperative manner to inhibit the 'whip tip effect' and improve the lateral stiffness and the bearing capacity of the whole structure.
The lower part polymerization damping energy dissipation structure is composed of an internal strong core component 2 and an external main frame 1 at the lower part which are separated from each other, the lateral deformation capacity of the internal strong core component 2 is small, the lateral deformation capacity of the external main frame 1 is slightly large, relative displacement difference is formed at a subsection position, the effect of shock absorption can be fully exerted, plastic damage is concentrated in a local area while energy is efficiently consumed, the lower part polymerization damping energy dissipation structure can weaken input excitation to an upper part suspension subframe 3, and further earthquake response of the external main frame 1 is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides an energy-consuming shock-absorbing structure system is connected to high-order, includes outside main frame (1), inside strong core component (2), upper portion suspension subframe (3), rigid connection spare (4), its characterized in that: the high-order energy dissipation shock-absorbing structure system that connects still includes power consumption subassembly (5) and bearing structure (6), outside main frame (1) is connected through horizontal slip subassembly (7) with inside strong core component (2) hypomere, upper portion hang subframe (3) with outside main frame (1) is connected through rigid connection spare (4), bearing structure (6) set up hang between subframe (3) and inside strong core component (2) on upper portion for transmit vertical direction load and restriction horizontal displacement, power consumption subassembly (5) concentrate arrange in between subframe (3) and inside strong core component (2) on upper portion for to inside strong core (2) and outside main frame (1) lateral deformation form the horizontal direction energy dissipation of high-order deformation concentration region.
2. The overhead connected energy-dissipating and shock-absorbing structural system according to claim 1, wherein the bottom of the inner strong core component (2) is fixed to the ground, and both sides thereof are overlapped with the outer main frame (1) through the horizontal sliding assembly (7).
3. The high-position connection energy-dissipation and shock-absorption structural system as claimed in claim 1, wherein the energy-dissipation assembly (5) is a viscous damping wall, and the high-position deformation concentration region is formed by different lateral deformation capacities of the internal strong core component (2) and the external main frame (1) and is intensively arranged on the viscous damping wall for shock absorption and energy dissipation;
or the energy dissipation component (5) is a viscous damping wall or a viscous damper or a metal damper.
4. The overhead connected energy-dissipating and shock-absorbing structural system according to claim 3, wherein the load-bearing structure (6) is a rubber mount composed of laminated rubber layers of steel plates for transmitting upper loads and limiting horizontal displacements;
or the bearing structure (6) is a sliding support, the sliding support comprises an upper support, a lower support and a sliding block, the concave arc curved surface of the upper support and the concave arc curved surface of the lower support are arranged oppositely, and the sliding block is arranged between the concave arc curved surface of the upper support and the concave arc curved surface of the lower support in a sliding mode and used for transmitting upper load and limiting horizontal displacement.
5. The high-order connection energy-consumption shock-absorption structural system of claim 1, wherein the horizontal sliding assembly (7) comprises an L-shaped fixing seat (70) connected to the inner side of the outer main frame (1), a movable clamping seat (71) connected to the lower section of the inner strong core component (2) and mutually buckled with the L-shaped fixing seat (70), and a return tension spring (72) or an elastic steel plate arranged between the L-shaped fixing seat (70) and the movable clamping seat (71) and used for limiting the relative position between the L-shaped fixing seat (70) and the movable clamping seat (71).
6. The high-order connection energy-consumption shock-absorption structural system as claimed in claim 1, wherein the bearing structure (6) comprises a connection top plate (60), a limit guide hole (600) is formed in the center of gravity of the connection top plate (60), a shock-absorption frame (61), an elastic element (62) and a backing plate element (63) are sequentially arranged on one side of the connection top plate (60) along the axial direction of the limit guide hole (600), a guide shaft (64) sequentially penetrating through the shock-absorption frame (61), the elastic element (62) and the backing plate element (63) is sleeved in the limit guide hole (600), a connecting sleeve (65) is further slidably sleeved on the guide shaft (64), one end of the connecting sleeve (65) is connected with the elastic element (62), and the other end of the connecting sleeve is connected with a connecting steel plate on the internal strong core component (2); and two ends of the shock absorption frame (61) are respectively provided with a buffer compression spring (66) connected with the backing plate element (63).
7. The overhead connection energy-consuming and shock-absorbing structural system according to claim 6, wherein the elastic element (62) is composed of a transverse support plate (620) sleeved on the guide shaft (64), two limit baffles (621) respectively connected to two ends of the transverse support plate (620), an arc-shaped buffer (622) with one end connected to the two limit baffles (621), and two compression springs (623) connecting the transverse support plate (620) and the shock-absorbing frame (61); the other end of the two arc-shaped buffering parts (622) is connected with a guide sleeve (624), and the guide sleeve (624) is in sliding fit with the guide shaft (64).
8. The overhead connected energy dissipating and shock absorbing structural system according to claim 6, wherein the pad member (63) is composed of a middle connecting plate (630) and two pads (631) connected to both free ends of the middle connecting plate (630), the middle connecting plate (630) is connected to the guide shaft (64) at the center thereof.
9. The overhead connected energy-dissipating and shock-absorbing structural system according to claim 1, wherein the load-bearing structure (6) comprises an upper triangular pad (67) and a lower triangular pad (68) connected to the top surface of the inner strong core component (2) and the bottom surface of the upper suspension sub-frame (3), respectively, four elastic support elements (69) sleeved between the upper triangular pad (67) and the lower triangular pad (68), wherein three elastic support elements (69) are located at the triangular positions of the upper triangular pad (67) and the lower triangular pad (68), respectively, and another elastic support element (69) is arranged at the center of gravity of the upper triangular pad (67) and the lower triangular pad (68);
each elastic supporting element (69) consists of a base (691) fixedly connected to the inner strong core component (2), a supporting column (692) connected to the base (691), a touch piece (693) arranged on the top of the supporting column (692), and a buffer spring (694) surrounding the supporting column (692).
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| US5671569A (en) * | 1995-06-08 | 1997-09-30 | Kajima Corporation | Seismic response controlled frame of bending deformation control type |
| JP2000336970A (en) * | 1999-05-27 | 2000-12-05 | Takenaka Komuten Co Ltd | Vibration control method and vibration control structure for high-rise building or the like |
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