CN115387489B - Multi-order multi-type combined metal damper - Google Patents
Multi-order multi-type combined metal damper Download PDFInfo
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- CN115387489B CN115387489B CN202211051187.9A CN202211051187A CN115387489B CN 115387489 B CN115387489 B CN 115387489B CN 202211051187 A CN202211051187 A CN 202211051187A CN 115387489 B CN115387489 B CN 115387489B
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- 239000002184 metal Substances 0.000 title claims abstract description 25
- 238000005265 energy consumption Methods 0.000 claims abstract description 21
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 71
- 239000000463 material Substances 0.000 claims description 9
- 238000010008 shearing Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 19
- 230000035939 shock Effects 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 7
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000005516 engineering process 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 2
- 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
- 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
Classifications
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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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- 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)
- Vibration Dampers (AREA)
Abstract
The invention relates to the technical field of building seismic reduction and isolation, in particular to a multi-order multi-type combined metal damper; through establishing ties or parallelly connected energy consumption component of multiple form together to open the spacing groove on the upper junction plate, establish an intermediate junction plate on series connection or parallelly connected energy consumption component upper portion, be fixed with the stopper on the intermediate junction plate, stopper part inserts in the spacing groove of upper junction plate, wherein stopper top is less than spacing groove top, stopper length is shorter than spacing groove length, after first energy consumption component reaches a location and moves, stopper and spacing groove contact, promote the displacement of second energy consumption component, with this kind of pushing, a plurality of energy consumption components of series connection or parallelly connected alright realize the multistage yield, and the power can be superimposed, in order to solve the problem that small earthquake middling shock and large earthquake all can consume.
Description
Technical Field
The invention relates to the technical field of building seismic reduction and isolation, in particular to a multi-order multi-type combined metal damper.
Background
In the earthquake multiple-rise area, the high-rise building often adopts structures such as a cabinet frame, a shear wall, a cabinet shear and the like to improve the earthquake resistance, but the beam column size is increased, the requirements of the strength and the rigidity of the structure are met, the consumption of reinforced concrete is increased, and the manufacturing cost is increased.
Along with the continuous improvement of social and economic levels and the continuous development of the technical level, people recognize that the earthquake reduction and isolation technology of the building can also meet the requirements of small earthquake, medium earthquake, repairability and large earthquake. Therefore, in many seismic isolation and reduction technologies, buckling restrained braces, viscous dampers, other displacement-related dampers, speed-related dampers, composite energy-dissipating dampers, seismic isolation rubber supports and the like are mature. The metal yielding type damper has the advantages of simple structure, low manufacturing cost, easy production and installation, and good absorption and dissipation capacity, and is an advanced damping technology with stable structure.
The conventional metal yielding type damper only has a single yielding point, the requirement of large earthquake and small earthquake and energy consumption can not be met, the metal yielding type damper mainly consumes earthquake energy by repeated plastic deformation of a mild steel material, the mature metal yielding type damper at the present stage mainly comprises a shearing type damper, a bending type damper and a U-shaped damper, multi-order yielding and compounding mainly surround the three types, and the most main metal yielding damper is a shearing type double-order metal damper which mainly has two directions:
(1) In the height direction, the function of multi-step yielding is achieved by changing the rigidities of different height dampers;
(2) In the width direction, the function of multi-step yielding 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 rebuilt, the purpose can be achieved by only adding a limiting device in the direction (2), the calculation model is the same as the existing calculation model, the yield displacement is controllable, and the comprehensive cost is low.
Therefore, the multi-order multi-type combined metal damper structure is provided, the purpose of multi-order yield energy consumption is achieved through the combination of the metal yield type resistors in various forms, and the problem that small vibration (wind vibration), medium vibration and large vibration can consume energy is solved.
Disclosure of Invention
The invention aims to provide a multi-stage multi-type combined metal damper, which is characterized in that various energy-consuming components are connected in series or in parallel, a limiting groove is formed in an upper connecting plate, an intermediate connecting plate is arranged at the upper part of the series or parallel energy-consuming components, a limiting block is fixed on the intermediate connecting plate, a limiting block part 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, the length of the limiting block is shorter than the length of the limiting groove, when a first energy-consuming component reaches a positioning displacement, the limiting block is contacted with the limiting groove to push a second energy-consuming component to generate displacement, so that multi-stage yield can be realized by pushing the plurality of energy-consuming components in series or in parallel, and the forces can be superposed, so that the problem that energy can be consumed in the small earthquake and the middle earthquake can be overcome.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a multistage many types of combination metal damper, mainly by connect in the upper and lower connecting plate of main part building structure and set up the power consumption structure between upper and lower connecting plate and constitute, wherein the upper connecting plate is opened there is the spacing groove, the lower part of middle power consumption component is fixed in on the lower connecting plate, first order power consumption component top is fixed in on the upper connecting plate, other power consumption component tops are fixed in on the middle connecting plate, middle connecting plate top is fixed with the stopper, stopper part inserts in the spacing groove of upper connecting plate, the length of spacing groove is slightly greater than the length of stopper; the energy-consuming components are mainly divided into three types of shear type, bending type and U type, various types of energy-consuming components can be transversely or longitudinally arranged between the upper connecting plate and the lower connecting plate after being freely combined according to damping parameters, under the condition of small shock or wind shock, the first-order energy-consuming components yield and consume energy, under the condition of medium shock or large shock, as the displacement of the first-order energy-consuming components increases, the limiting block is contacted with the limiting groove, loads are transferred to other energy-consuming components, the other energy-consuming components yield and consume energy, and the purpose of multi-order yield and consume energy is achieved.
Further, 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 welding multiple variable-section energy dissipation plates in a relatively assembled mode, and the U-shaped energy dissipation member is formed by welding two or more U-shaped energy dissipation plates in a relatively assembled mode.
Further, the upper connecting plate is provided with limit grooves, and one or more rows of limit grooves can be formed in the limit grooves, but the cross section of the slotted connecting plate is required to bear the tension and compression load of the damper.
Further, the limiting block is fixed on the middle connecting plate, a certain gap is reserved when the limiting block and the side face of the limiting groove are assembled, 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 for starting second-order yield displacement, after the displacement of the first energy-consuming component reaches the value, the limiting groove and the limiting block are contacted to drive the second energy-consuming component to start to act, and multi-order energy consumption can be achieved by analogy.
Further, the first energy dissipation member and the subsequent energy dissipation members have a certain height difference, so that the design displacement of the first energy dissipation member can be ensured to be larger than the design displacement of the subsequent energy dissipation member.
Further, the top of the limiting block is lower than the top of the upper connecting plate, so that the fact that a height difference is generated in the action process of the first energy dissipation member can be guaranteed, and the subsequent energy dissipation member cannot be subjected to vertical load.
Further, the shear type energy dissipation member, the bending type energy dissipation member, and the U-shaped energy dissipation member may be arbitrarily combined.
Further, the plurality of energy consuming members may be arranged laterally or longitudinally.
Further, the energy consumption components and the upper connecting plate, the middle connecting plate and the lower connecting plate can be welded, connected by bolts or other connecting modes, and the limiting block and the middle connecting plate can be fixed by weldments, connected by bolts or other connecting modes.
Further, the upper connecting plate is provided with limit grooves which are arranged in a single mode, a plurality of side-by-side mode or other mode, and the limit grooves are square, waist-shaped or other shapes.
Further, the shape of the limiting block is rectangular, waist-shaped or other shapes, the length of the limiting block is shorter than that of the waist-shaped groove of the upper connecting plate, and the limiting block is arranged in a single mode, a plurality of side-by-side modes or other arrangement modes.
Further, the energy consumption steel plates of the 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.
Further, the stiffening ribs of the shear type energy dissipation members may be arranged laterally or longitudinally, and may be arranged on one side or both sides.
Compared with the prior art, the invention has the beneficial effects that:
the energy dissipation components of various types can be combined and arranged at will, the structure is stable, the form is simple and flexible, the multi-order yield energy dissipation of the damper is realized under the condition of only increasing little cost, in addition, the structure allows the height difference to exist, and the design displacement of the first-order energy dissipation component can be easily realized by the structural design and is larger than the design displacement requirement of the subsequent energy dissipation component.
The invention provides a structural form, and the multi-order yield energy consumption can be realized through the combination of single or multiple energy consumption components, so that the requirement that the energy consumption can be realized in the wind vibration medium and large vibration is met.
The invention principle introduction of the invention: through opening the spacing groove on the upper connecting plate, first order power consumption component is fixed on upper and lower connecting plate completely, and follow-up power consumption component lower part is fixed on lower connecting plate, and intermediate junction board is connected on upper portion, and intermediate junction board top is fixed with the stopper, and the stopper inserts in the spacing groove, and wherein spacing groove top is higher than the stopper top to control spacing groove and clearance between the stopper, when first power consumption component reaches a location and moves the back, stopper and spacing groove contact, promote the second power consumption component and produce the displacement, and so on, the several power consumption component is then increased to the required several energy consumption, thereby reaches the purpose that all can consume energy in the earthquake of wind vibration.
If the connecting plate is narrow, the limit groove can be opened only by one groove, but the maximum shearing force which can be born by the connection of the limit block and the middle connecting plate is larger than the maximum shearing force which can be born by the connection of the energy-consuming component and the connecting plate, and if the connecting plate is wide, two or more limit grooves are opened as much as possible.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 according to the present invention;
fig. 2 is a sectional view of embodiment 1 according to the present invention;
fig. 3 is a schematic structural view according to embodiment 2 of the present invention;
fig. 4 is a three-dimensional schematic diagram according to embodiment 2 of the present invention;
fig. 5 is a schematic structural view of embodiment 3 according to the present invention;
fig. 6 is a schematic structural view of embodiment 4 according to the present invention.
FIG. 7 is a three-dimensional schematic diagram according to embodiment 4 of the invention;
fig. 8 is a schematic structural view of embodiment 5 according to the present invention.
Fig. 9 is a three-dimensional schematic diagram according to embodiment 5 of the present invention.
FIG. 10 is a graph showing the basic mechanical hysteresis curves of embodiment 1 of the present invention.
FIG. 11 is a graph showing a 60-cycle fatigue hysteresis curve according to 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: an energy consumption plate I; 4-2: a flange plate I; 4-3: a stiffening rib I; 5: a lower connecting plate; 6-1: energy consumption plates II; 6-2: a flange plate II; 6-3: a stiffening rib II; 7: a second limiting block; 8: a second intermediate connecting plate; 9-1: energy consumption plates III; 9-2: a flange plate III; 9-3: a third stiffening rib; 10: a curved energy consumption plate; 11: u-shaped energy dissipation plate.
Detailed Description
The present invention will be further described in detail with reference to the drawings and examples, as shown in fig. 1 to 11, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1 and 2, a multi-stage multi-type combined metal damper structure schematic diagram comprises a lower connecting plate 5 and an upper connecting plate 1 provided with limit grooves, an energy dissipation member I composed of an energy dissipation plate 6-1, a flange plate 6-2 and stiffening ribs 6-3, an energy dissipation member II composed of an energy dissipation plate 4-1, a flange plate 4-2 and stiffening ribs 4-3, an intermediate connecting plate 3 and limit blocks 1 and 2 fixed on the intermediate connecting plate 3, wherein the energy dissipation member I and the energy dissipation member II are transversely arranged side by side, 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 II is fixed on the lower connecting plate 5, the upper end face is fixed on the intermediate connecting plate 3, the limit blocks 1 are fixed on the intermediate connecting plate 3, the limit blocks 1 and 2 are partially inserted into the limit grooves of the upper connecting plate 1, the length of the limit grooves is larger than the limit blocks 2, the energy dissipation plates 4-1 and the stiffening ribs 6-3 are made of the same material, the stiffening ribs 4-3 and the stiffening ribs 6-3 are transversely arranged, and the stiffening ribs 4-3 and the stiffening ribs 6-3 are arranged on double faces.
The working procedure of this embodiment is: the upper connecting plate 1 and the lower connecting plate 5 are respectively connected with a main building structure, the middle energy-consuming component I and the energy-consuming component II are connected in series, wherein the upper part of the energy-consuming component II is not fixedly connected with the upper connecting plate 1, so that the energy-consuming component I yields and consumes energy under the condition of small shock or wind shock, the energy-consuming component I generates larger displacement under the condition of medium shock or large shock, the limiting block I2 contacts with the limiting groove, load is transferred to the energy-consuming component II, the energy-consuming component II yields, and the energy-consuming component I and the energy-consuming component II consume energy at the same time.
Example 2
As shown in fig. 3 and 4, the double-shear combined multi-stage metal yielding damper comprises a lower connecting plate 5 and an upper connecting plate 1 provided with limit grooves, wherein a first energy dissipation component consisting of an energy dissipation plate 6-1, a flange plate 6-2 and stiffening ribs 6-3, a second energy dissipation component consisting of an energy dissipation plate 4-1, a flange plate 4-2 and stiffening ribs 4-3, a middle connecting plate 3 and a first limit block 2 fixed on the middle connecting plate 3, wherein the first energy dissipation component and the second energy dissipation component are longitudinally arranged side by side, the upper end face and the lower end face of the first energy dissipation component are respectively fixed on the upper connecting plate 1 and the lower connecting plate 5, the lower end face of the second energy dissipation component is fixed on the lower connecting plate 5, the upper end face is fixed on the middle connecting plate 3, the first limit block 2 is fixed on the middle connecting plate 3, a part of the first limit block 2 is inserted into the limit groove of the upper connecting plate 1, the length of the limit groove is longer than the first limit block 2, the energy dissipation plates 4-1 and the stiffening ribs 6-3 are made of different materials, the first limit block and the stiffening ribs 4-3 and the second limit block 6-3 are transversely arranged, and the first limit block and the second limit block 2 are arranged.
Example 3
As shown in fig. 5, the three-shear combined multi-step metal yielding damper comprises a lower connecting plate 5, an upper connecting plate 1 provided with a limit groove, an energy dissipation member I composed of an energy dissipation plate 6-1, a flange plate 6-2 and a stiffening rib 6-3, an energy dissipation member II composed of an energy dissipation plate 4-1, a flange plate 4-2 and a stiffening rib 4-3, an energy dissipation member III composed of an energy dissipation plate 9-1, a flange plate 9-2 and a stiffening rib 9-3, an intermediate connecting plate 3, a limit block I2 fixed on the intermediate connecting plate 3, an intermediate connecting plate 8 and a limit 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 members II and III are fixed on the lower connecting plate 5, the upper end faces are respectively fixed on the middle connecting plate 3 and the middle connecting plate 7, the first limiting block 2 is fixed on the middle connecting plate 3, the first limiting block 7 is fixed on the middle connecting plate 7, the first limiting block 2 and the first limiting block 7 are partially inserted into the limiting grooves of the upper connecting plate 1, the lengths of the limiting grooves are larger than those of the first limiting block 2 and the limiting block 7, the energy dissipation plates 4-1, the energy dissipation plates 6-1 and the energy dissipation plates 9-1 are made of energy dissipation steel plates made of the same materials, the stiffening ribs 4-3 are transversely arranged, the stiffening ribs 6-3 are longitudinally arranged and the stiffening ribs 9-3 are longitudinally arranged, the stiffening ribs 4-3, the stiffening ribs 6-3 and the stiffening ribs 9-3 are in double-sided arrangement, the first limiting block 2 can be arranged into a single block, and the limiting blocks 7 are arranged into a single block.
Example 4
As shown in fig. 6 and 7, the structure schematic diagram of the shear-type and bending-type combined multi-stage metal yielding damper comprises a lower connecting plate 5 and an upper connecting plate 1 provided with a limiting groove, wherein the first energy dissipation component consists of an energy dissipation plate 6-1, a flange plate 6-2 and a stiffening rib 6-3, the second energy dissipation component consists of a plurality of bending-type energy dissipation plates 10 which are arranged side by side, a middle connecting plate 3 and a first limiting block 2 fixed on the middle connecting plate 3, wherein the upper end surface and the lower end surface of the first energy dissipation component are respectively fixed on the upper connecting plate 1 and the lower connecting plate 5, the lower end surface of the second energy dissipation component is fixed on the lower connecting plate 5, the upper end surface is fixed on the middle connecting plate 3, two limiting blocks 1 and 2 are fixed on the middle connecting plate 3, one part of the limiting blocks is inserted into the limiting groove, the length of the limiting groove is larger than the length of the first limiting blocks 2, the bending-type energy dissipation plates 10 and the shear-type energy dissipation plates 6-1 adopt energy dissipation steel plates with different stiffening ribs 6-3 which are arranged transversely, the first limiting ribs 6-3 are arranged on a single surface, and the first limiting block 2 is arranged into two blocks which are arranged side by side.
Example 5
As shown in fig. 8 and 9, the bending and U-shaped combined multi-stage metal yielding damper comprises a lower connecting plate 5 and an upper connecting plate 1 provided with a limiting groove, a first energy dissipation member formed by a plurality of bending energy dissipation plates 10 in parallel, a second energy dissipation member formed by two energy dissipation plates 11 in opposite directions, a middle connecting plate 3 and a first limiting block 2 fixed on the middle connecting plate 3, wherein the upper end surface and the lower end surface 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 is fixed on the middle connecting plate 3, two first limiting blocks 2 are fixed on the middle connecting plate 3, the first limiting blocks 2 are partially inserted into the limiting groove, the length of the limiting groove is longer than that of the first limiting block 2, and the energy dissipation plates 10 and the energy dissipation plates 11 adopt energy dissipation steel plates of different materials.
Experimental analysis:
the multi-stage and multi-type combined metal damper according to 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 double-order yield characteristic, the hysteresis curve is saturated, the fatigue performance is good, the structure is not damaged after 60 cycles of cyclic loading under the design displacement, and the fatigue curve has extremely high coincidence degree.
The test result shows that the second-order mild steel of the structure can bear larger limit displacement, and the second-order mild steel still consumes energy after the first-order mild steel is completely destroyed, so that the safety coefficient of the structure is higher.
In the test process, the limiting groove and the limiting block are not deformed visually, and the limiting block is not separated from the limiting groove under larger displacement, so that the structure is reasonable in design.
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 scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (5)
1. A multi-stage multi-type combined metal damper, characterized in that: the energy-saving type energy-saving device comprises a lower connecting plate (5), an upper connecting plate (1) with a limiting groove is formed in the upper connecting plate (1), two or more energy-saving components are connected between the upper connecting plate (1) and the lower connecting plate (5), the upper end face and the lower end face of a first-stage energy-saving component are fixedly connected with the upper connecting plate (1) and the lower connecting plate (5) respectively, the lower end face of the other energy-saving components are fixedly connected with the lower connecting plate (5), a limiting block (2) is fixedly connected with the upper end face of the middle connecting plate (3), the limiting block (2) is partially inserted into the limiting groove of the upper connecting plate (1), the energy-saving components mainly comprise but not limited to shearing type, bending type and U-shaped energy-saving components, the shearing type energy-saving components are mainly formed by splicing welding of flange plates, stiffening ribs and rectangular energy-saving plates, the U-shaped energy-saving components are formed by oppositely assembling two or more U-shaped energy-saving plates (11), the shape of the limiting block (2) is rectangular, the upper surface of the limiting block (2) is lower than the upper surface of the upper connecting plate (1), the length of the limiting block (2) is shorter than the upper surface of the upper connecting plate (1), and the upper connecting plate (2) is shorter than the length of the upper connecting plate (2) than the upper connecting plate (2) and the upper connecting plate is shorter than the upper connecting plate.
2. A multi-stage, multi-type composite metal damper according to claim 1, wherein: the energy consumption steel plates of the different shearing type energy consumption components can be made of steel materials with the same or different materials, plate thicknesses and yield strengths.
3. A multi-stage, multi-type composite metal damper according to claim 1, wherein: the energy dissipation components of various types can be arranged between the upper connecting plate (1) and the lower connecting plate (5) transversely or longitudinally after being freely combined according to the damping parameters.
4. A multi-stage, multi-type composite metal damper according to claim 1, wherein: there is sufficient clearance between the upper connecting plate (1) and the middle connecting plate (3).
5. A multi-stage, multi-type composite metal damper according to claim 1, wherein: the stiffening ribs of the shear type energy dissipation members can be transversely arranged or longitudinally arranged, and can be arranged on one side or two 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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| CN115387489A (en) | 2022-11-25 |
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