CN115387489A - Multi-order multi-type combination metal damper - Google Patents
Multi-order multi-type combination metal damper Download PDFInfo
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- CN115387489A CN115387489A CN202211051187.9A CN202211051187A CN115387489A CN 115387489 A CN115387489 A CN 115387489A CN 202211051187 A CN202211051187 A CN 202211051187A CN 115387489 A CN115387489 A CN 115387489A
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- 239000002184 metal Substances 0.000 title claims abstract description 27
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 101
- 238000005265 energy consumption Methods 0.000 claims description 32
- 238000010008 shearing Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 3
- 210000003734 kidney Anatomy 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 abstract description 14
- 238000002955 isolation Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 description 5
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
Abstract
The invention relates to the technical field of seismic isolation and reduction of buildings, in particular to a multi-order multi-type combined metal damper; the energy dissipation components in various forms are connected in series or in parallel, a limiting groove is formed in an upper connecting plate, a middle connecting plate is arranged on the upper portion of the energy dissipation components in series or in parallel, a limiting block is fixed on the middle connecting plate, the limiting block is partially inserted into the limiting groove of the upper connecting plate, the top of the limiting block is lower than the top of the limiting groove, the length of the limiting block is shorter than that of the limiting groove, when the first energy dissipation component reaches a positioning movement, the limiting block is in contact with the limiting groove to push the second energy dissipation component to generate a displacement, and by analogy, the energy dissipation components in series or in parallel can realize multi-stage yielding, and the force can be superposed, so that the problem that energy can be dissipated by small-earthquake, medium-earthquake and large earthquake is solved.
Description
Technical Field
The invention relates to the technical field of seismic isolation and reduction of buildings, in particular to a multi-order and multi-type combined metal damper.
Background
In earthquake-prone areas, high-rise buildings often adopt structures such as cabinet frames, shear walls, cabinet scissors and the like to improve the shock resistance, but the size of a beam column needs to be increased to meet the requirements of strength and rigidity of the structure, the using amount of reinforced concrete needs to be increased, and the manufacturing cost is increased.
With the continuous improvement of the social and economic level and the continuous development of the technical level, people realize that the seismic isolation and reduction technology of buildings can also meet the requirements of 'no damage of small earthquakes, repairable medium earthquakes and no fall of large earthquakes'. Therefore, in many seismic isolation and reduction technologies, a relatively mature buckling restrained brace, a viscous damper, other displacement-related dampers, speed-related dampers, a composite type energy dissipation damper, a seismic isolation rubber support and the like are provided. The metal yield damper has the advantages of simple structure, low manufacturing cost, easy production and installation and good energy absorption and dissipation capacity, and is a damping technology with stable structure and advanced technology.
The conventional metal yielding damper only has a single yield point and cannot meet the requirement of simultaneous energy consumption of large earthquake and small earthquake, the metal yielding damper mainly consumes earthquake energy by means of repeated plastic deformation of a mild steel material, the metal yielding damper mature at the present stage mainly comprises a shearing type damper, a bending type damper and a U-shaped damper, multi-stage yielding and compounding mainly surround the three types, and the most main type is a shearing type double-stage metal damper which mainly has two directions:
(1) In the height direction, the multi-step yielding function is achieved by changing the rigidity of the dampers with different heights;
(2) In the width direction, a multi-stage yielding function is achieved by adding a limiting device;
the yield displacement is not well controlled in the direction (1), the calculation model also needs to be reconstructed, the purpose can be achieved only by adding a limiting device in the direction (2), and the calculation model is the same as the existing calculation model, the yield displacement is controllable, and the comprehensive cost is low.
Therefore, a multi-order and multi-type combined metal damper structure is provided, the aim of multi-order yielding energy consumption is achieved through the combination of the multi-type metal yielding type resistors, and the problem that energy consumption can be realized by small earthquakes (wind vibration), medium earthquakes and large earthquakes is solved.
Disclosure of Invention
The invention aims to provide a multistage multi-type combined metal damper, which is characterized in that energy dissipation components in various forms are connected in series or in parallel, a limiting groove is formed in an upper connecting plate, a middle connecting plate is arranged at the upper part of the energy dissipation components in series or in parallel, a limiting block is fixed on the middle connecting plate, and part of the limiting block is inserted into the limiting groove of the upper connecting plate, wherein the top of the limiting block is lower than the top of the limiting groove, and the length of the limiting block is shorter than that of the limiting groove.
In order to solve the technical problems, the invention adopts the following technical scheme:
a multi-order multi-type combined metal damper mainly comprises an upper connecting plate and a lower connecting plate which are connected with a main building structure and an energy dissipation structure arranged between the upper connecting plate and the lower connecting plate, wherein the upper connecting plate is provided with a limiting groove, the lower part of a middle energy dissipation component is fixed on the lower connecting plate, the top of a first-order energy dissipation component is fixed on the upper connecting plate, the tops of the other energy dissipation components are fixed on the middle connecting plate, the top of the middle connecting plate is fixed with a limiting block, the limiting block is partially inserted into the limiting groove of the upper connecting plate, and the length of the limiting groove is slightly greater than that of the limiting block; the energy dissipation members are mainly divided into a shearing type, a bending type and a U type, the energy dissipation members of various types can be freely combined according to damping parameters and then transversely or longitudinally arranged between an upper connecting plate and a lower connecting plate, under the condition of small earthquake or wind vibration, the first-order energy dissipation member yields and dissipates energy, under the condition of medium earthquake or large earthquake, along with the increase of the displacement of the first-order energy dissipation member, the limiting block is in contact with the limiting groove, the load is transmitted to the rest energy dissipation members, and the rest energy dissipation members yield and participate in energy dissipation, so that the aim of multi-order yield energy dissipation is fulfilled.
Furthermore, the shearing energy dissipation member is mainly formed by welding flange plates, stiffening ribs and rectangular energy dissipation plates, the bending energy dissipation member is formed by a plurality of energy dissipation plates with variable cross sections, and the U-shaped energy dissipation member is formed by oppositely welding two or more U-shaped energy dissipation plates.
Furthermore, the upper connecting plate is provided with a limiting groove, the limiting groove can be provided with one or more rows, and the cross section of the connecting plate after being provided with the groove can bear the tension and compression load of the damper.
Furthermore, the limiting block is fixed on the intermediate connection plate, a certain gap is reserved between the limiting block and the side face of the limiting groove during assembly, the limiting block can move freely, the gap between the end part of the limiting block and the end part of the limiting groove is a displacement value at which second-order yield displacement starts, and after the displacement of the first energy consumption component reaches the value, the limiting groove is in contact with the limiting block to drive the second energy consumption component to start acting, so that multi-step energy consumption can be realized.
Furthermore, the first dissipative member and the subsequent dissipative member have a certain height difference, so that the design displacement of the first dissipative member can be ensured to be larger than that of the subsequent dissipative member.
Furthermore, the top of the limiting block is lower than the top of the upper connecting plate, so that the first energy dissipation component is guaranteed to have a height difference in the action process and cannot enable the subsequent energy dissipation component to bear vertical load.
Furthermore, the shearing energy dissipation component, the bending energy dissipation component and the U-shaped energy dissipation component can be combined at will.
Further, the plurality of energy dissipation members may be arranged in a transverse direction or a longitudinal direction.
Furthermore, the fixing modes of the energy dissipation component, the upper connecting plate, the middle connecting plate and the lower connecting plate can be welding, bolt connection or other connecting modes, and the fixing modes of the limiting block and the middle connecting plate can be weldment, bolt connection or other connecting modes.
Furthermore, the upper connecting plate is provided with a limiting groove, the arrangement mode of the limiting groove is single, multiple, side by side or other arrangement modes, and the limiting groove is square, kidney-shaped or other shapes.
Furthermore, the shape of the limiting blocks is rectangular, kidney-shaped or other shapes, the length of the limiting blocks is shorter than that of the kidney-shaped grooves of the upper connecting plate, and the arrangement mode of the limiting blocks is single, multiple side-by-side or other arrangement modes.
Furthermore, the energy consumption steel plates of different shearing type energy consumption components can be made of steel materials with the same or different materials, plate thicknesses and yield strengths.
Further, there is sufficient clearance between the upper connection plate and the intermediate connection plate.
Furthermore, the stiffening ribs of the shear type energy dissipation member can be arranged transversely or longitudinally, and can be arranged on a single surface or arranged on two surfaces.
Compared with the prior art, the invention has the beneficial effects that:
the damper has the advantages that various types of energy dissipation components can be combined and arranged at will, the structure is stable, the form is simple and flexible, the multi-stage yield energy dissipation of the damper is realized under the condition that only little cost is added, the height difference is allowed to exist in the structure, and the structural design can easily meet the requirement that the design displacement of the first-order energy dissipation component is larger than that of the subsequent energy dissipation component.
The invention provides a structural form, and by combining single or multiple energy consumption components, multi-stage yield energy consumption can be realized, and the requirement that energy can be consumed by large earthquakes in wind vibration can be met.
The invention principle of the invention introduces: the limiting groove is formed in the upper connecting plate, the first-order energy consumption component is completely fixed on the upper connecting plate and the lower connecting plate, the lower part of the subsequent energy consumption component is fixed on the lower connecting plate, the upper part of the subsequent energy consumption component is connected with the middle connecting plate, the top of the middle connecting plate is fixedly provided with the limiting block, the limiting block is inserted into the limiting groove, the top of the limiting groove is higher than the top of the limiting block, a gap between the limiting groove and the limiting block is controlled, after the first energy consumption component reaches a certain position and moves, the limiting block is in contact with the limiting groove to push the second energy consumption component to move, and by analogy, several energy consumption components are added when energy consumption is needed, and the purpose of energy consumption of large earthquakes in wind vibration is achieved.
If the connecting plate is narrow, the limiting groove can be provided with only one groove, but the maximum shearing force born by the connection of the limiting block and the middle connecting plate is larger than the maximum shearing force born by the connection of the energy dissipation member and the connecting plate, and if the connecting plate is wide, two or more limiting grooves are provided as far as possible.
Drawings
Fig. 1 is a schematic structural view according to embodiment 1 of the present invention;
fig. 2 is a sectional view according to embodiment 1 of the present invention;
fig. 3 is a schematic configuration diagram according to embodiment 2 of the present invention;
fig. 4 is a three-dimensional schematic view according to embodiment 2 of the present invention;
fig. 5 is a schematic structural view according to embodiment 3 of the present invention;
fig. 6 is a schematic structural view according to embodiment 4 of the present invention.
Fig. 7 is a three-dimensional schematic view according to embodiment 4 of the present invention;
fig. 8 is a schematic structural view according to embodiment 5 of the present invention.
Fig. 9 is a three-dimensional schematic diagram according to embodiment 5 of the present invention.
Fig. 10 is a basic mechanical hysteresis curve of embodiment 1 of the present invention.
Fig. 11 is a 60-cycle fatigue hysteresis curve of embodiment 1 of the present invention.
In the figure, 1: an upper connecting plate; 2: a first limiting block; 3: a first intermediate connecting plate; 4-1: a first energy consumption plate; 4-2: a first flange plate; 4-3: a first stiffening rib; 5: a lower connecting plate; 6-1: a second energy consumption plate; 6-2: a second flange plate; 6-3: a second stiffening rib; 7: a second limiting block; 8: a second intermediate connecting plate; 9-1: a third energy consumption plate; 9-2: a flange plate III; 9-3: a third stiffening rib; 10: a curved energy dissipation plate; 11: u type power consumption board.
Detailed Description
As shown in fig. 1 to 11, in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1 and 2, a multi-step multi-type combined metal damper comprises a lower connecting plate 5, an upper connecting plate 1 provided with a limiting groove, a first energy dissipation member composed of an energy dissipation plate 6-1, a flange plate 6-2 and a stiffening rib 6-3, a second energy dissipation member composed of an energy dissipation plate 4-1, a flange plate 4-2 and a stiffening rib 4-3, a middle connecting plate 3 and a limiting block I2 fixed on the middle connecting plate 3, wherein the first energy dissipation member and the second energy dissipation member are transversely arranged side by side, the upper end face and the lower end face of the first energy dissipation member are respectively fixed on the upper connecting plate 1 and the lower connecting plate 5, the lower end face of the second energy dissipation member is fixed on the lower connecting plate 5, the upper end face is fixed on the middle connecting plate 3, the limiting block I2 is fixed on the middle connecting plate 3, part of the limiting block I2 is inserted into the limiting groove of the upper connecting plate 1, the length of the limiting groove is larger than that of the limiting block I2, the energy dissipation plate 4-1 and the energy dissipation plate 6-1 and the stiffening rib 6-1 are made of the same material, the stiffening rib 4-3 and the stiffening rib 6-3 are transversely arranged, and the stiffening rib 6-3 are arranged on both sides.
The working process of the embodiment is as follows: the upper connecting plate 1 and the lower connecting plate 5 are respectively connected with a building main body structure, the middle energy consumption component I and the energy consumption component II are connected in series, the upper part of the energy consumption component II is not fixedly connected with the upper connecting plate 1, so that the energy consumption component I yields and consumes energy under the condition of small earthquake or wind earthquake, the energy consumption component I generates larger displacement under the condition of medium earthquake or large earthquake, the limiting block I2 is contacted with the limiting groove, load is transmitted to the energy consumption component II, the energy consumption component II yields, and at the moment, the energy consumption component I and the energy consumption component II consume energy simultaneously.
Example 2
As shown in fig. 3 and 4, the structural schematic diagram of the double-shearing combined type multistage metal yielding damper comprises a lower connecting plate 5, an upper connecting plate 1 provided with a limiting groove, an energy dissipation member I consisting of an energy dissipation plate 6-1, a flange plate 6-2 and a stiffening rib 6-3, an energy dissipation member II consisting of an energy dissipation plate 4-1, a flange plate 4-2 and a stiffening rib 4-3, a middle connecting plate 3 and a limiting block I2 fixed on the middle connecting plate 3, wherein the energy dissipation member I and the energy dissipation member II are longitudinally arranged side by side, the upper end surface and the lower end surface of the energy dissipation member I are respectively fixed on the upper connecting plate 1 and the lower connecting plate 5, the lower end surface of the energy dissipation member II is fixed on the lower connecting plate 5, the upper end surface is fixed on the middle connecting plate 3, the limiting block I2 is partially inserted into the limiting groove of the upper connecting plate 1, the length of the limiting groove is larger than that of the limiting block I2, the energy dissipation plate 4-1 and the energy dissipation plate 6-1 and the stiffening rib 4-3 are transversely arranged, and the stiffening rib 3-3 are arranged as single-3.
Example 3
As shown in FIG. 5, a schematic structural diagram of a three-shearing combined type multistage metal yield damper comprises a lower connecting plate 5, an upper connecting plate 1 provided with a limiting groove, an energy dissipation member I consisting of an energy dissipation plate 6-1, a flange plate 6-2 and a stiffening rib 6-3, an energy dissipation member II consisting of an energy dissipation plate 4-1, a flange plate 4-2 and a stiffening rib 4-3, an energy dissipation member III consisting of an energy dissipation plate 9-1, a flange plate 9-2 and a stiffening rib 9-3, an intermediate connecting plate 3, a limiting block I2 fixed on the intermediate connecting plate 3, an intermediate connecting plate 8 and a limiting block 7 fixed on the intermediate connecting plate 8, wherein the upper end face and the lower end face of the energy dissipation member I are respectively fixed on the upper connecting plate 1 and the lower connecting plate 5, the lower end faces of the energy dissipation member II and the energy dissipation member III are fixed on the lower connecting plate 5, the upper end faces are respectively fixed on the intermediate connecting plate 3 and the intermediate connecting plate 7, the limiting block I2 is fixed on the intermediate connecting plate 3, the limiting block I2 is fixed on the intermediate connecting plate 7, the limiting block 7 is partially inserted into the groove of the upper connecting plate 1, the stiffening rib 6-3, the stiffening rib 3 and the stiffening rib 3 are arranged longitudinally, the limiting block II, the limiting plate 3, the stiffening rib 3 and the stiffening rib 3 are arranged in the same length, and the limiting block 3, and the stiffening rib 3 are arranged in the same length, and the limiting block 3-3, the longitudinal direction, the limiting block 1-3, the limiting block 3-3.
Example 4
As shown in fig. 6 and 7, a schematic structural diagram of a shearing-type and bending-type combined multi-step metal yielding damper includes a lower connecting plate 5 and an upper connecting plate 1 with limiting grooves, an energy dissipation member i consisting of an energy dissipation plate 6-1, a flange plate 6-2 and stiffening ribs 6-3, an energy dissipation member ii consisting of a plurality of bending-type energy dissipation plates 10 side by side, a middle connecting plate 3 and a limiting block i 2 fixed on the middle connecting plate 3, wherein the upper end face and the lower end face of the energy dissipation member i are respectively fixed on the upper connecting plate 1 and the lower connecting plate 5, the lower end face of the energy dissipation member i is fixed on the lower connecting plate 5, the upper end face is fixed on the middle connecting plate 3, two limiting blocks i 2 are fixed on the middle connecting plate 3, the limiting blocks i 2 are partially inserted into the limiting grooves, wherein the length of the limiting grooves is greater than that of the limiting blocks i 2, the bending-type energy dissipation plate 10 and the shearing-1 are made of energy dissipation steel plates made of different materials, the stiffening ribs 6-3 are transversely arranged, the stiffening ribs 6-3 are arranged side by side, and the limiting blocks i.
Example 5
As shown in fig. 8 and 9, the structural schematic diagram of the bent and U-shaped combined multi-step metal yielding damper includes a lower connecting plate 5 and an upper connecting plate 1 with a limiting groove, a first energy dissipation member consisting of a plurality of bent energy dissipation plates 10 arranged side by side, a second energy dissipation member consisting of two energy dissipation plates 11 arranged in an opposite manner, a middle connecting plate 3 and a first limiting block 2 fixed on the middle connecting plate 3, wherein the upper and lower end surfaces of the first energy dissipation member are respectively fixed on the upper connecting plate 1 and the lower connecting plate 5, the lower end surface of the second energy dissipation member is fixed on the lower connecting plate 5, the upper end surface of the second energy dissipation member is fixed on the middle connecting plate 3, the first limiting block 2 is fixed on the middle connecting plate 3, and the first limiting block 2 is partially inserted into the limiting groove, wherein the length of the limiting groove is greater than that of the first limiting block 2, and the energy dissipation plates 10 and the energy dissipation plates 11 are made of energy dissipation steel plates made of different materials.
Experimental analysis:
the multi-step multi-type combination metal damper of embodiment 1 of the present invention was tested, and the test results are shown in fig. 10 to 11:
the test result shows that the structure has obvious two-stage yield characteristic, saturated hysteresis curve and better fatigue performance, is not damaged after 60-circle cyclic loading under the designed displacement, and has extremely high coincidence ratio of the fatigue curve.
According to the test result, the second-order mild steel of the structure can bear larger extreme displacement, and the second-order mild steel still consumes energy after the first-order mild steel is completely damaged, so that the safety coefficient of the structure is higher.
The limiting groove and the limiting block are not deformed by naked eyes in the test process, and the limiting block is not separated from the limiting groove under large displacement, so the structural design is reasonable.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a multistage polymorphic type combination metal damper which characterized in that: the energy-consuming structure comprises a lower connecting plate (5) and an upper connecting plate (1) provided with a limiting groove, wherein two or more energy-consuming components are connected between the upper connecting plate (1) and the lower connecting plate (5).
2. The multi-step multi-type combination metal damper as claimed in claim 1, wherein: the upper end face and the lower end face of the first-order energy dissipation component are respectively fixedly connected with the upper connecting plate (1) and the lower connecting plate (5), the lower end faces of the rest energy dissipation components are fixedly connected with the lower connecting plate (5), the upper end face is fixedly connected with the middle connecting plate (3), the top of the middle connecting plate (3) is fixedly provided with the limiting block (2), and the limiting block (2) is partially inserted into the limiting groove of the upper connecting plate (1).
3. The multi-step multi-type combination metal damper as claimed in claim 1, wherein: the energy dissipation member mainly comprises three types, namely a shearing type energy dissipation member, a bending type energy dissipation member and a U-shaped energy dissipation member, wherein the shearing type energy dissipation member is mainly formed by welding flange plates, stiffening ribs and rectangular energy dissipation plates in a splicing mode, the bending type energy dissipation member is formed by a plurality of energy dissipation plates (10) with variable cross sections, and the U-shaped energy dissipation member is formed by oppositely assembling and welding two or more U-shaped energy dissipation plates (11).
4. The multi-step multi-type combination metal damper as claimed in claim 1, wherein: the shape of stopper (2) is rectangle, kidney shape or other shapes, and stopper (2) upper surface is less than upper surface of upper junction plate (1), and stopper (2) length weak point is in the length of upper junction plate (1) kidney groove, and the arrangement of stopper (2) is single, a plurality of side by side or other arrangement.
5. The multi-step multi-type combination metal damper as claimed in claim 1, wherein: the energy consumption steel plates of different shearing type energy consumption components can be made of steel materials with the same or different materials, plate thicknesses and yield strengths.
6. The multi-step multi-type combination metal damper as claimed in claim 1, wherein: the energy dissipation components of various types can be freely combined according to the damping parameters and then transversely or longitudinally arranged between the upper connecting plate (1) and the lower connecting plate (5).
7. The multi-step multi-type combination metal damper as claimed in claim 1, wherein: an enough gap is reserved between the upper connecting plate (1) and the middle connecting plate (3).
8. The multi-order, multi-type combination metal damper of claim 1, wherein: the stiffening ribs of the shear type energy dissipation member can be arranged transversely or longitudinally, and can be arranged on a single side or on double sides.
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| CN202211051187.9A CN115387489B (en) | 2022-08-23 | 2022-08-23 | Multi-order multi-type combined metal damper |
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| CN215253615U (en) * | 2021-04-02 | 2021-12-21 | 北京市建筑设计研究院有限公司 | Staged yielding mild steel damping device |
| CN217176014U (en) * | 2022-04-28 | 2022-08-12 | 震安科技股份有限公司 | Compound bucking restraint of two-step is supported |
| CN218205006U (en) * | 2022-08-23 | 2023-01-03 | 震安科技股份有限公司 | Modular multistage metal yield type attenuator |
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2022
- 2022-08-23 CN CN202211051187.9A patent/CN115387489B/en active Active
Patent Citations (7)
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|---|---|---|---|---|
| WO2011088603A1 (en) * | 2010-01-20 | 2011-07-28 | 中交第一公路勘察设计研究院有限公司 | Seismic isolation bearing with non-linear dampers |
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| CN215253615U (en) * | 2021-04-02 | 2021-12-21 | 北京市建筑设计研究院有限公司 | Staged yielding mild steel damping device |
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| CN115387489B (en) | 2024-01-02 |
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