CN114370109A - Lateral force resisting structure for building - Google Patents

Lateral force resisting structure for building Download PDF

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Publication number
CN114370109A
CN114370109A CN202210051223.5A CN202210051223A CN114370109A CN 114370109 A CN114370109 A CN 114370109A CN 202210051223 A CN202210051223 A CN 202210051223A CN 114370109 A CN114370109 A CN 114370109A
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Prior art keywords
building
mass block
block box
swing rod
lateral force
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CN202210051223.5A
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Chinese (zh)
Inventor
戴葵
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Wuhan Polytechnic University
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Wuhan Polytechnic University
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Priority to CN202210051223.5A priority Critical patent/CN114370109A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/0215—Bearing, supporting or connecting constructions specially adapted for such buildings involving active or passive dynamic mass damping systems
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/0237—Structural braces with damping devices
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/14—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against other dangerous influences, e.g. tornadoes, floods

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Environmental & Geological Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention discloses a lateral force resisting structure for a building, which relates to the field of building structure stress, wherein the building comprises a top structure and a supporting structure, the supporting structure is supported at two sides below the top structure, and the lateral force resisting structure comprises: the top end of the swing rod is movably connected with the top structure; the damper is arranged on the periphery of the top end of the swing rod and is in friction connection with the swing rod; the mass block box is connected with the bottom end of the swing rod, and a plurality of mass blocks are arranged in the mass block box; the two ends of the alloy wire are respectively connected with the periphery of the mass block box and the member of the main body structure; the structure can resonate when the building vibrates, the generated inertia force is reacted on the building to play a role in reducing the vibration reaction of the building, and in addition, the alloy wire can consume the vibration energy transmitted from the outside of the building to reduce the wind vibration or earthquake reaction of the building.

Description

Lateral force resisting structure for building
Technical Field
The invention belongs to the field of building structure stress, and particularly relates to a lateral force resisting structure for a building.
Background
Under the wind effect, the harm of wind-induced vibration is mainly the problem that the acceleration of the floor caused when the building is held for a long time brings discomfort to the residents, the harm of earthquake is the problem that the structure is damaged by the displacement of the floor caused by the high peak value, the two vibration reduction purposes are different, so the vibration reduction principle is different, and the vibration influence of the building and the floor on the building can be hardly weakened at the same time.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a lateral force resisting structure for a building, which can cause resonance of the structure when the building vibrates, so that the generated inertia force is reacted on the building to play a role in reducing the vibration reaction of the building, and in addition, the alloy wire can consume the vibration energy transmitted from the outside of the building to reduce the wind vibration or earthquake reaction of the building.
In order to achieve the above object, the present invention provides a lateral force resisting structure for a building including a roof structure and a support structure supported at both sides below the roof structure, comprising:
the top end of the swing rod is movably connected with the top structure;
the damper is arranged on the periphery of the top end of the swing rod and is in friction connection with the swing rod;
the mass block box is connected with the bottom end of the swing rod, and a plurality of mass blocks are arranged in the mass block box;
and two ends of the alloy wire are respectively connected with the periphery of the mass block box and the member of the main body structure.
Optionally, the top structure is a coupling beam or a wall limb, and the support structure is a shear wall or a frame column.
Optionally, the damper comprises:
the damping fin is n-shaped, and the middle horizontal part of the damping fin is sleeved at the top end of the swing rod;
one end of each stiffness spring is sleeved on the vertical parts at the two ends of the damping fin, and the other end of each stiffness spring is connected with the top structure.
Optionally, the top structure is provided with a one-way hinge, one end of the one-way hinge close to the top structure is in friction connection with the middle horizontal part of the damping fin, and the top end of the swing rod is connected with the top structure through a spring bolt.
Optionally, a threaded hole is formed in the center of the mass block box, a plurality of mounting holes are formed in the mass block box, the bottom end of the swing rod is connected with the threaded hole, and the mass block is detachably connected with the mounting holes.
Optionally, the bottom of the mass block box is provided with universal wheels.
Optionally, the periphery of the mass block box is respectively connected with the building through the alloy wire, the supporting structure is provided with a turning pulley, the turning pulley is in rolling fit with the middle of the alloy wire, and the alloy wire is located between the turning pulley and the mass block box and is arranged along the horizontal direction.
Optionally, the alloy wire adopts an Fe-Mn-Al-Ni-based SMA material.
Optionally, the building further comprises a servo control system, which is arranged between the mass block box and the swing rod, and the servo control system can adjust the connection position of the mass block box on the swing rod according to the horizontal acceleration of the mass block box and the building.
Optionally, the servo control system includes a first acceleration sensor, a second acceleration sensor, a single chip microcomputer circuit board, and a stepping motor, the first acceleration sensor and the second acceleration sensor are respectively connected to the main structure and the mass block box, the stepping motor is disposed between the mass block box and the swing rod, and the single chip microcomputer circuit board controls the stepping motor according to data of the first acceleration sensor and the second acceleration sensor.
The invention provides a lateral force resisting structure for a building, which has the beneficial effects that:
1. the lateral force resisting structure can be applied to a frame structure and a frame-shear wall structure system, and the frame structure is a lateral force resisting structure only by replacing shear wall limbs with frame columns; when the structure height, stress and function change and development, the rigidity and performance of the lateral force resisting structure also change along with the change, the rigidity, the damping force and the acting force in the opposite direction are automatically and correspondingly adjusted along with the change of the wind speed and the earthquake action, the structural requirement of a building is met, meanwhile, the wind vibration or earthquake response of the building is reduced, and the intelligent characteristic is achieved;
2. the lateral force resisting structure is an effective wind resisting means for high-rise buildings, stress deformation is concentrated in the damper, damage to a frame beam or a connecting beam is greatly reduced, an automatic resetting function can be realized, seismic energy is dissipated, and structural reaction is reduced; the rigidity is increased, the bearing capacity is increased, the ductility is improved, the additional damping is increased, the seismic force is reduced, the seismic force can be autonomously controlled, the seismic and wind load effects are actively reduced, the structural damping and ductility are flexibly enhanced, the requirement on the structural bearing capacity is met, and the deformation is controlled; the transformation structure has the advantages of safety, controllability, reduction of the size of the structural member, more effective satisfaction of the building function, larger-range expansion of the function of the vertical member of the structure, outstanding cost benefit and large rigidity increasing potential.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic structural view of a lateral force resisting structure for a building according to an embodiment of the present invention.
Description of reference numerals:
1. a top structure; 2. a support structure; 3. a swing rod; 4. a mass block box; 5. a mass block; 6. alloy wire material; 7. a member; 8. a damping fin; 9. a stiffness spring; 10. unidirectional reaming is carried out; 11. a spring bolt; 12. a direction-changing pulley.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The present invention provides a lateral force resistant structure for a building, the building including a roof structure and a support structure supported on both sides below the roof structure, comprising:
the top end of the swing rod is movably connected with the top structure;
the damper is arranged on the periphery of the top end of the swing rod and is in friction connection with the swing rod;
the mass block box is connected with the bottom end of the swing rod, and a plurality of mass blocks are arranged in the mass block box;
and two ends of the alloy wire are respectively connected with the periphery of the mass block box and the member of the main body structure.
Specifically, the lateral force resisting structure is connected with the top structure through the top end of the swing rod, the damper is arranged on the periphery of the top end, when the swing rod is vibrated and swung, the swing rod and the damper move in a friction mode, the bottom of the swing rod is connected with the mass block box with the mass block, the number of the mass blocks is changed, the damping of the damper is increased, the rigidity of alloy wire materials is guaranteed, the mass block can generate larger reverse inertia force, the damper can rapidly bear larger wind load and earthquake force, more external energy is absorbed, the building can bear smaller acting force and generate smaller deformation, and the building can be protected more effectively.
In one embodiment, the mass block in the mass block box provides an acting force for recovering the deformation of the building, the self frequency of the damper is adjusted to be the same as the frequency of the building by adjusting the length of the swinging rod, when a wind load or an earthquake acts on the building to enable the building to horizontally vibrate, the mass block drives the swinging rod to generate vibration opposite to the building and generate a reaction force on the building, so that the vibration of the building is controlled, and the vibration energy caused by the wind load or the earthquake is dissipated through the damper.
The pendulum rod provides restoring force by means of the gravity of the mass block, and the frequency of the damper is adjusted by adjusting the length of the pendulum rod, so that the lateral force resisting structure is close to the main vibration frequency of a building, and a better vibration damping effect is achieved. The length of the pendulum rod and the period formula of the damper are as follows:
Figure BDA0003474357740000051
fdand TdRespectively, the frequency and period of the damper, l is the boom length, and g is the gravitational acceleration.
Optionally, the top structure is a coupling beam or a wall limb and the support structure is a shear wall or a frame column.
Specifically, the lateral force resisting structure can be arranged in a cavity formed in a wall body of a building, the using area of the building is not occupied, the structure plane is uniformly arranged in the X direction and the Y direction, the anti-vibration capability in the two directions is equivalent, the outside can be sealed by decorative materials, the bottom is provided with a blocking threshold to prevent a sliding block from sliding out of a boundary, the lateral force resisting structure is arranged in a double-limb shear wall or a one-span frame formed by connecting short-limb shear walls or common shear walls or frame columns on the two sides, a connecting beam or a wall limb is used as a top structure, and the shear walls or the frame columns are used as a supporting structure.
Optionally, the damper comprises:
the damping fin is n-shaped, and the middle horizontal part of the damping fin is sleeved at the top end of the swing rod;
one end of each stiffness spring is sleeved on the vertical parts at the two ends of each damping fin, and the other end of each stiffness spring is connected with the top structure.
Specifically, the damper comprises a damping fin, the damping fin is n-shaped, the middle part of the damping fin is sleeved on the swing rod, the vertical parts at the two ends of the damping fin are sleeved with stiffness springs, the stiffness springs are connected with the top structure, when the swing rod starts to swing due to building vibration, the swing rod and the damping fin perform mutual friction motion, the swing rod is slowed down to swing through the damping effect of the damping fin, and the energy of the building vibration is dissipated; the damping fin is made of viscoelastic materials, the middle part of the damping fin is sleeved on the periphery of the swing rod, the damping fin can play a role in reducing vibration, and then a damping effect is formed.
In one embodiment, the damping fin can also be in a ring shape, the damping fin is arranged along the horizontal direction, the top end of the swing rod penetrates through the ring of the damping fin, and the periphery of the damping fin is connected with the top structure through a stiffness spring.
Optionally, the top structure is provided with a one-way hinge, one end of the one-way hinge close to the top structure is in friction connection with the middle horizontal part of the damping fin, and the top end of the swing rod is connected with the top structure through a spring bolt.
Specifically, a steel bar lifting hook is embedded in the top structure, a one-way hinge is hung on the lifting hook and can freely swing in a plane, a penetrating hole is formed in the top of the swing rod, a rotating shaft of the one-way hinge is connected with the swing rod through the penetrating hole, the top of the one-way hinge is attached to the damping sheet, when the swing rod swings, the swing rod drives the damping sheet to make friction motion with the one-way hinge, the upper position and the lower position of the swing rod can be changed through adjusting a spring bolt, and the damping sheet is structurally connected with the top through a stiffness spring, so that the prepressing force of the one-way hinge on the damping sheet can be changed through changing the upper position and the lower position of the swing rod, and the damping coefficient of the swing rod is adjusted.
Optionally, a threaded hole is formed in the center of the mass block box, a plurality of mounting holes are formed in the mass block box, the bottom end of the swing rod is connected with the threaded hole, and the mass block is detachably connected with the mounting holes.
Specifically, a threaded hole is formed in the center of the mass block box, the swing rod is in threaded connection with the mass block box, so that the length of the swing rod can be adjusted, the damper is adjusted through adjusting the length of the swing rod to enable the comment of the damper to be the same as the building frequency, when the building horizontally vibrates under the action of wind load or earthquake, the swing rod generates vibration opposite to the building and generates reaction force on the building, vibration of the building is controlled, and energy of the vibration of the building is dissipated through the damper; and a plurality of mounting holes are symmetrically arranged on the mass block box, so that the mass blocks can be increased and decreased conveniently.
Optionally, the bottom of the mass block box is provided with universal wheels.
Specifically, the lower part of the mass block box can be provided with universal wheels which can resist the earthquake action in any direction, the friction coefficient is changed from sliding friction coefficient to rolling friction coefficient, the friction coefficient is smaller, the vibration damping sensitivity is higher, and the vibration damping efficiency is better; because the mass block box moves along the direction parallel to the top structure, and the distance between the mass block box and the top structure is longest, the effect of resisting or reducing the earthquake action in the parallel direction is the best, and the universal wheels are arranged to reduce the motion resistance of the mass block box and the mass block to a certain degree.
Optionally, the periphery of the mass block box is connected with the building through alloy wires respectively, the supporting structure is provided with a turning pulley, the turning pulley is in rolling fit with the middle of the alloy wires, and the part, between the turning pulley and the mass block box, of the alloy wires is arranged in the horizontal direction.
Specifically, the left end, the right end, the front end and the rear end of the mass block box are fixed on a building by alloy wires, the anchoring ends of the alloy wires are generally arranged on a member of the building, the total number of the anchoring ends is four, and the anchoring ends have the left direction, the right direction and the front direction; set up the diversion pulley on bearing structure, can change the angle of connection of alloy silk material and quality block box, make the alloy silk material of connecting in quality block box both sides set up along the horizontal direction, guarantee when the building receives the vibration, the pendulum rod drives quality block box and removes along the horizontal direction.
Optionally, the alloy wire adopts an Fe-Mn-Al-Ni-based SMA material.
Specifically, the alloy wire material adopts Fe-Mn-Al-Ni-based SMA, has better superelasticity performance, has the maximum phase change strain of 8 percent, and has low price and good machining performance compared with the traditional Ni-Ti-based SMA. The material has a sensing function, namely, the material has the capability of sensing signals such as stress, strain, electricity, heat and the like; and a driving function, i.e., the ability to respond to a sensed signal. The SMA composite material structure compounded with the polymer matrix, the aluminum matrix and other metal matrix, the cement matrix and other reinforcing fibers has active control capacity, and can absorb more vibration energy during the loading-unloading process due to the unique superelasticity characteristic of the SMA, so that the SMA composite material structure can also realize the passive control of the structure vibration.
In one embodiment, the alloy wire may be in the form of wire, ribbon, tube, or the like; different forms of alloy wires can be connected with buildings in different ways; it can be embedded in the base material like glass fiber or carbon fiber, can be discretely connected to the building, and can be pasted on the surface of the building.
Optionally, the building further comprises a servo control system, the servo control system is arranged between the mass block box and the swing rod, and the servo control system can adjust the connecting position of the mass block box on the swing rod according to the horizontal acceleration of the mass block box and the building.
Specifically, the lateral force resisting structure further comprises a servo control system, the servo control system is arranged between the mass block box and the swing rod, the horizontal acceleration of the mass block and the building is obtained, the natural vibration frequency of the damper is adjusted to be close to the natural vibration frequency of the building by adjusting the length of the swing rod, and the frequency of the damper is adjusted by the method that the ratio of the horizontal acceleration of the mass block to the horizontal acceleration of the building is larger than a certain limit value. When the acceleration ratio is larger than the limit value, the damper is considered to be close to the building frequency, and the frequency is not required to be adjusted; when the acceleration ratio is smaller than the limit value, the vibration reduction effect of the damper is considered to be poor, and frequency adjustment is required; then the driving device is started to change the length of the swinging rod so as to change the frequency of the swinging rod, so that the frequency of the damper is close to the natural vibration frequency of the building.
Optionally, the servo control system includes a first acceleration sensor, a second acceleration sensor, a single chip microcomputer circuit board and a stepping motor, the first acceleration sensor and the second acceleration sensor are respectively connected with the main structure and the mass block box, the stepping motor is arranged between the mass block box and the swing rod, and the single chip microcomputer circuit board controls the stepping motor according to data of the first acceleration sensor and data of the second acceleration sensor.
The two acceleration sensors respectively measure the horizontal acceleration of the building and the mass block, and the single chip microcomputer circuit board regularly drives the stepping motor to adjust the length of the swing rod according to an acceleration ratio limit value and an adjusting algorithm which are preset in advance until the acceleration ratio limit value is reached, so that the frequency of the damper is close to the natural vibration frequency of the building.
Examples
As shown in fig. 1, the present invention provides a lateral force resisting structure for a building, the building including a roof structure 1 and a support structure 2, the support structure 2 being supported at both sides below the roof structure 1, including:
the top end of the swing rod 3 is movably connected with the top structure 1;
the damper is arranged on the periphery of the top end of the swing rod 3 and is in friction connection with the swing rod 3;
the mass block box 4 is connected with the bottom end of the swing rod 3, and a plurality of mass blocks 5 are arranged in the mass block box 4;
and two ends of the alloy wires 6 are respectively connected with the periphery of the mass block box 4 and the member 7 of the main structure.
In this embodiment, the top structure 1 is a coupling beam or a wall column, and the support structure 2 is a shear wall or a frame column.
In the present embodiment, the damper includes:
the damping fin 8 is n-shaped, and the middle horizontal part of the damping fin 8 is sleeved at the top end of the swing rod 3;
two stiffness springs 9, wherein one end of each stiffness spring 9 is sleeved on the vertical parts at the two ends of the damping fin 8, and the other end of each stiffness spring 9 is connected with the top structure 1.
In this embodiment, the top structure 1 is provided with a one-way hinge 10, one end of the one-way hinge 10 close to the top structure is in friction connection with the middle horizontal part of the damping fin 8, and the top end of the swing rod 3 is connected with the top structure 1 through a spring bolt 11.
In this embodiment, a threaded hole is formed in the center of the mass block box 4, a plurality of mounting holes are formed in the mass block box 4, the bottom end of the swing rod 3 is connected with the threaded hole, and the mass block 5 is detachably connected with the mounting holes.
In the present embodiment, the mass block 4 is provided with universal wheels at the bottom.
In this embodiment, the periphery of the mass block box 4 is connected with the building through the alloy wire 6, the support structure 2 is provided with the turning pulley 12, the turning pulley 12 is in rolling fit with the middle of the alloy wire 6, and the part of the alloy wire 6 between the turning pulley 12 and the mass block box 4 is arranged along the horizontal direction.
In this example, the alloy wire 6 was made of an SMA material of Fe-Mn-Al-Ni base.
In this embodiment, the system further comprises a servo control system, which is arranged between the mass block box 4 and the swing rod 3, and the servo control system can adjust the connection position of the mass block box 4 on the swing rod 3 according to the horizontal acceleration of the mass block box 4 and the building.
In this embodiment, the servo control system includes a first acceleration sensor, a second acceleration sensor, a single chip microcomputer circuit board, and a stepping motor, the first acceleration sensor and the second acceleration sensor are respectively connected to the main structure and the mass block box 4, the stepping motor is disposed between the mass block box 4 and the swing rod 3, and the single chip microcomputer circuit board controls the stepping motor according to data of the first acceleration sensor and the second acceleration sensor.
In conclusion, when a building is influenced by wind load and earthquake force, the swing rod 3 swings from right to left, the mass block box 4 can be driven to move along the horizontal slideway and pull the alloy wire 6 on the right to generate relative displacement, at the moment, the alloy wire 6 on the left side is in a loose state, when the mass block 5 returns to a balance position, the alloy wire 6 is relaxed, the alloy wire undergoes an energy consumption cycle process, the hysteresis curve of the alloy wire fully indicates that the energy consumption process meets the requirement, meanwhile, the inertia force of the mass block 5 is reacted on the top structure 1 through the swing rod 3, the inertia force is opposite to the moving direction of the top structure 1, the control effect is generated on the vibration of the building, and the vibration reaction of the building is attenuated; similarly, when the mass block 5 swings from the left side to the right side, the mass block box 4 is driven to be strained by the alloy wire 6 on the left side and generates displacement, and the alloy wire 6 on the right side is loosened; in the swinging process of the mass block 5, the alloy wire 6 undergoes a cycle process from tensioning to shrinking to form a full hysteresis curve, so that the energy consumption of a building is realized, and the alloy wire 6 has a self-resetting function; the prepressing force of the one-way hinge on the damping sheet is adjusted and adjusted through the spring bolt 11, so that the damping ratio of the structure is adjusted reasonably, and in addition, the connecting position of the mass block box 4 on the swing rod 3 is adjusted through a servo control system, so that the intelligent and active control is achieved to reduce the wind vibration or earthquake reaction of the building.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (10)

1. A lateral force resistant structure for a building, the building including a roof structure and a support structure supported on both sides below the roof structure, comprising:
the top end of the swing rod is movably connected with the top structure;
the damper is arranged on the periphery of the top end of the swing rod and is in friction connection with the swing rod;
the mass block box is connected with the bottom end of the swing rod, and a plurality of mass blocks are arranged in the mass block box;
and two ends of the alloy wire are respectively connected with the periphery of the mass block box and the member of the main body structure.
2. A lateral force resistant structure for building according to claim 1, wherein the top structure is a coupling beam or a wall limb and the support structure is a shear wall or a frame column.
3. The lateral force resistant structure for building of claim 1, wherein the damper comprises:
the damping fin is n-shaped, and the middle horizontal part of the damping fin is sleeved at the top end of the swing rod;
and one end of each stiffness spring is sleeved on the vertical parts at the two ends of the damping fin, and the other end of each stiffness spring is connected with the top structure.
4. The lateral force resisting structure for building of claim 3, wherein the top structure is provided with a one-way hinge, one end of the one-way hinge close to the top structure is in friction connection with the middle horizontal part of the damping fin, and the top end of the swing rod is connected with the top structure through a spring bolt.
5. The lateral force resisting structure for building of claim 1, wherein a threaded hole is formed in a central position of the mass block box, a plurality of mounting holes are formed in the mass block box, the bottom end of the swing rod is connected with the threaded hole, and the mass block is detachably connected with the mounting holes.
6. The lateral force resisting structure for building as claimed in claim 1, wherein the bottom of the mass block box is provided with universal wheels.
7. The lateral force resisting structure for the building as claimed in claim 1, wherein the periphery of the mass block box is connected with the building through the alloy wire respectively, the support structure is provided with a direction-changing pulley, the direction-changing pulley is in rolling fit with the middle of the alloy wire, and the part of the alloy wire between the direction-changing pulley and the mass block box is arranged along the horizontal direction.
8. The lateral force resisting structure for building as claimed in claim 1, wherein the alloy wire is made of an Fe-Mn-Al-Ni based SMA material.
9. The lateral force resisting structure for buildings according to claim 1, further comprising a servo control system disposed between the mass block box and the swing link, the servo control system being capable of adjusting the connection position of the mass block box on the swing link according to the horizontal acceleration of the mass block box and the building.
10. The lateral force resisting structure for building of claim 9, wherein the servo control system comprises a first acceleration sensor, a second acceleration sensor, a single chip microcomputer circuit board and a stepping motor, the first acceleration sensor and the second acceleration sensor are respectively connected with the main body structure and the mass block box, the stepping motor is arranged between the mass block box and the swing rod, and the single chip microcomputer circuit board controls the stepping motor according to data of the first acceleration sensor and the second acceleration sensor.
CN202210051223.5A 2022-01-17 2022-01-17 Lateral force resisting structure for building Pending CN114370109A (en)

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