Shear parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation device
By using a shear-parallel circular hole soft steel plate laminated with rubber-lead plate energy dissipation and vibration reduction device, the problem of unstable performance of existing energy dissipation and vibration reduction devices under temperature changes is solved, realizing the performance-oriented design of two seismic defense lines, and adapting to effective energy dissipation and vibration reduction under different earthquake magnitudes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KUNMING UNIV OF SCI & TECH
- Filing Date
- 2024-12-30
- Publication Date
- 2026-06-02
AI Technical Summary
Existing energy dissipation and vibration reduction devices, such as viscous dampers and metal dampers, are unstable under temperature changes and it is difficult to achieve performance-based design of multiple seismic defense lines. Traditional soft steel dampers have low initial stiffness and large yield displacement, making it difficult to meet the requirements under different earthquake magnitudes.
A shear-parallel circular hole soft steel plate laminated with rubber and lead plate energy dissipation and vibration reduction device is adopted. The steel frame and herringbone support are connected by high-strength bolts. The yield deformation of the soft steel plate, the plastic deformation of the lead plate and the restoring force of the rubber are used to form a multi-cavity structure. The vulcanized rubber is provided with restoring force through the soft steel plate, realizing two lines of seismic defense.
It can effectively control inter-story displacement under both minor and major earthquakes. The lead plate consumes seismic energy, while the rubber provides restoring force, achieving simple preparation and efficient energy dissipation and vibration reduction. It can adapt to different earthquake magnitude requirements and overcome the problem of temperature sensitivity.
Smart Images
Figure CN224314398U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a shear-parallel circular hole soft steel plate laminated with rubber and lead plate for use in steel frame-support structures, belonging to the field of building vibration reduction technology. Background Technology
[0002] Improving the seismic performance of buildings is key to solving the problem of building damage and collapse under strong earthquakes. Three technologies are typically used to economically, efficiently, and rationally enhance a building's resistance to earthquake damage and collapse: first, seismic design technology, which employs efficient seismic-resistant structural systems and high-performance seismic-resistant components to improve the structure's seismic resistance; second, seismic isolation design technology, which uses base isolation devices to reduce the impact of earthquakes on the superstructure; and third, energy dissipation and damping technology, which uses energy dissipation and damping devices to absorb the energy input into the structure during earthquakes, reducing structural damage. Weak energy dissipation and damping devices can be replaced if damaged during strong earthquakes. Seismic isolation and damping technologies can be applied in combination.
[0003] The engineering community both domestically and internationally has always attached great importance to the research and development of new energy dissipation and vibration reduction devices. Currently, energy dissipation and vibration reduction devices mainly include viscous dampers, metallic dampers, and friction dampers. However, there is a significant lack of functionally recoverable energy dissipation and vibration reduction devices and manufacturing technologies suitable for performance-based design and possessing multiple seismic defense lines.
[0004] This utility model proposes a shear-parallel circular hole soft steel plate laminated with rubber and lead plate energy dissipation and vibration reduction device and method for steel frame-bracing structures, belonging to the field of building vibration reduction technology. The device consists of an upper connecting steel plate with circular holes connected to the lower flange of an H-shaped steel frame beam; a lower connecting steel plate connected to the connecting end steel plate welded to the intersection area of the H-shaped steel herringbone support; a shear-parallel circular hole soft steel plate welded between the upper and lower connecting steel plates; front and rear sealing soft steel plates welded between the upper and lower connecting steel plates; a lead plate inserted into the middle of the cavity between the shear-parallel circular hole soft steel plate and the front and rear sealing steel plates; left and right side sealing skin dog bone hole soft steel plates welded between the upper and lower connecting steel plates; laminated vulcanized rubber injected into the cavity of the shear-parallel circular hole soft steel plate through the circular holes in the upper connecting steel plate; and a high-strength bolt system connecting the upper and lower connecting steel plates to the steel frame-bracing structure. Under minor or moderate earthquakes, the combined structure of the front and rear sealing soft steel plates, shear-parallel circular hole soft steel plates, rubber, and lead plates in this energy dissipation and damping device can effectively control inter-story displacement due to its high shear stiffness. Under major earthquakes, the shear yielding deformation process of the front and rear sealing soft steel plates, shear-parallel circular hole soft steel plates, and lead plates in this energy dissipation and damping device consumes seismic energy. As the deformation increases, the plastic deformation of the lead plates consumes more seismic energy. The interaction of the interfaces of the shear-parallel circular hole soft steel plates, rubber, and lead plates in the combined structure consumes seismic energy. The rubber and soft steel plate-lead plates that penetrate the shear-parallel circular hole steel plates deform together and provide restoring force, which can effectively improve the energy dissipation and damping effect and seismic toughness of the device.
[0005] Technical bottlenecks: 1. Viscous dampers are significantly affected by temperature, failing to achieve their full damping capacity at high or low temperatures. Aging of the internal medium leads to unstable damping force. Due to the high pressure and high-speed flow of the medium within the damper, seals are prone to damage and leakage over long-term operation, resulting in high maintenance costs. 2. Viscoelastic and lead viscoelastic dampers also suffer from environmental temperature sensitivity and damping parameters significantly affected by the environment. 3. Metal dampers utilize the elastoplastic hysteretic deformation of metal components made of low-yield-point steel and other materials to dissipate energy during yielding. They are less affected by external environmental and temperature changes, but suffer from low initial stiffness and large yield displacement. This means they cannot provide sufficient stiffness under small earthquakes, and while they begin to dissipate energy under large earthquakes, their recoverability is poor, making performance-based design difficult to meet structural seismic requirements. Technical bottleneck: A vibration damping device and manufacturing method that combines the advantages of shear yielding deformation energy dissipation of soft steel, shear plastic deformation energy dissipation of lead plates, and restoring force provided by rubber, assembled between a steel frame and a herringbone steel support. Utility Model Content
[0006] The shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction device consists of an upper connecting steel plate with circular holes connected to the lower flange of the H-shaped steel frame beam, a lower connecting steel plate connected to the connecting end steel plate welded to the intersection area of the H-shaped steel herringbone support, a shear-parallel circular hole soft steel plate welded between the upper and lower connecting steel plates, front and rear sealing soft steel plates welded between the upper and lower connecting steel plates, a lead plate inserted into the middle of the cavity between the shear-parallel circular hole soft steel plate and the front and rear sealing steel plates, left and right side sealing skin dog bone hole soft steel plates welded between the upper and lower connecting steel plates, laminated vulcanized rubber injected into the cavity of the shear-parallel circular hole soft steel plate through the circular hole of the upper connecting steel plate, and a high-strength bolt system connecting the upper and lower connecting steel plates to the steel frame-support structure.
[0007] The aforementioned perforated steel plate is a soft steel plate formed by punching out distributed perforated holes in a rectangular soft steel plate.
[0008] The aforementioned shear-loaded parallel circular hole mild steel plate is a set of parallel circular hole mild steel plates welded between the upper and lower connecting steel plates of the energy dissipation and vibration reduction device, which are mainly subjected to shear deformation.
[0009] The aforementioned front and rear sealing soft steel plates are rectangular soft steel plates, welded to the front and rear sides between the upper and lower connecting steel plates of the energy dissipation and vibration damping device, and welded to the left and right sealing skin dog bone hole soft steel plates. It forms a cavity structure with the shear parallel round hole soft steel plates and the left and right sealing skin dog bone hole soft steel plates.
[0010] The lead plate inserted into the cavity of the parallel circular hole soft steel plate and the front and rear sealing soft steel plates is a rectangular cross-section lead plate inserted from the left or right side into the cavity between the parallel circular hole soft steel plate and the front and rear sealing soft steel plates. It forms a multi-cavity structure with the parallel circular hole soft steel plate, the front and rear sealing soft steel plates, and the left and right side sealing skin dog bone hole soft steel plates.
[0011] The left and right side sealing skin dog bone hole soft steel plate is a rectangular soft thin steel plate with the same perimeter size as the dog bone hole soft steel plate. It is welded from the outside to the dog bone hole soft steel plate and then welded to the soft steel plates at the left and right ends of the upper and lower connecting steel plates of the energy dissipation and vibration reduction device.
[0012] The aforementioned laminated vulcanized rubber is a structure formed by pouring hot vulcanized rubber into a cavity of a shock-absorbing device, consisting of a parallel circular hole soft steel plate, a lead plate, soft steel plates with sealing dog bone holes on both sides, and soft steel plates with sealing front and rear. The molten vulcanized rubber flows and connects through the openings on the circular hole soft steel plates, and is then cooled and molded to form a laminated rubber structure.
[0013] The energy dissipation and vibration reduction device assembly connection structure refers to the upper connecting steel plate with round holes being connected to the lower flange of the steel frame H-beam by high-strength bolts, and the lower connecting steel plate being connected to the steel plate at the intersection area of the H-beam herringbone support by welding. The connection adopts a high-strength bolt assembly connection structure.
[0014] To achieve the above objectives, the present invention adopts the following technical solution:
[0015] A shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure, which is connected and assembled with a steel frame-support structure using high-strength bolts, includes a steel frame-support structure 1 and a shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure 6 disposed within the steel frame-support structure 1; the shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure 6 is arranged sequentially along the middle of the steel frame-support structure 1; the shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure 6 includes a multi-cavity steel component formed by welding an upper connecting steel plate with circular holes 7, a lower connecting steel plate 8, a soft steel plate 9 sealing the dog bone hole, a shear-parallel circular hole soft steel plate 10, rectangular lead plates 11 that are respectively inserted and bonded to seal the cavity of the soft steel plate with parallel dog bone holes at the front and back, and front and rear sealing soft steel plates 12, and vulcanized laminated rubber 13 injected into the multi-cavity steel component.
[0016] Furthermore, in the steel frame-support structure 1, the steel frame H-shaped steel columns 2 and the upper and lower steel frame H-shaped steel beams 3 are connected by high-strength bolts 13 to form a steel frame. The upper end steel plate component of the H-shaped steel herringbone support 4 is welded to the upper flange of the lower steel frame H-shaped steel beam using high-strength bolts 13. The steel frame H-shaped steel columns 2 and steel frame H-shaped steel beams 3 are made of welded or rolled H-shaped steel. The bottom of the steel frame H-shaped steel column 2 is welded with a connecting base plate and stiffening ribs, and the connecting base plate is connected to the pre-embedded bolts in the foundation to form the steel frame column base. The ends of the frame H-shaped steel beams 3 are welded with rectangular end plates, which have bolt holes. The bolt holes on the rectangular end plates correspond to the bolt holes on the steel frame H-shaped steel columns 2 and are connected by high-strength bolts. The thickness of the rectangular end plates welded to the ends of the steel frame H-shaped steel beams 3 is not less than that of the steel frame H-shaped steel beams 3. The thickness of the flange of the steel column 2; stiffening ribs are welded on both sides of the web of the steel frame H-beam 2 in the steel frame beam-column joint area, and the welding position of the stiffening ribs is consistent with the elevation of the upper and lower flanges of the steel frame H-beam 3; stiffening ribs are welded on both sides of the web of the H-beam at both ends of the connection area between the upper connecting steel plate 7 with the lower flange of the steel frame H-beam 3, and the thickness of the stiffening ribs is not less than the thickness of the web of the beam; the H-beam herringbone support 4 is a symmetrically arranged diagonal H-beam, and the connecting end steel plate 5 is welded at the upper intersection area of the H-beam herringbone support 4; the connecting end steel plate 5 welded at the upper intersection area of the H-beam herringbone support 4 and the lower connecting steel plate 8 are connected by high-strength bolts 14; the horizontal angle between the H-beam herringbone support 4 and the steel frame H-beam 3 is 45°~60°.
[0017] Furthermore, in the shear-parallel circular hole soft steel plate laminated rubber energy dissipation and vibration reduction structure 6, multiple shear-parallel circular hole soft steel plates 10 are arranged vertically side by side, with their upper and lower ends welded to the upper connecting steel plate 7 with circular holes and the lower connecting steel plate 8, respectively. Front and rear sealing soft steel plates 11 are welded to the left and right sides to form a multi-cavity steel component. The outer side of the multi-cavity steel component is a sealing skin dog bone hole soft steel plate 9. The upper connecting steel plate 7 with circular holes is provided with reserved circular holes. Molten vulcanized rubber is poured into the cavity of the multi-cavity steel component between the welded shear-parallel circular hole soft steel plates 10. After the vulcanized rubber cools, it is integrally formed with the multi-cavity steel component to form the shear-parallel circular hole soft steel plate laminated rubber energy dissipation and vibration reduction structure 6. A rectangular lead plate 11 is inserted into the cavity of the parallel dog-bone hole soft steel plate and then bonded to seal it, thus preparing a welded soft steel plate system - a lead plate with bonded seal. Molten vulcanized rubber is poured into the cavity between the welded energy dissipation and vibration damping device soft steel plates through the reserved round hole of the upper connecting steel plate 7. After cooling, vulcanized laminated rubber 13 is formed. The vulcanized laminated rubber 13 and the welded soft steel plate system - lead plate with bonded seal constitute a shear-receiving parallel round hole soft steel plate laminated rubber - lead plate energy dissipation and vibration damping structure 6.
[0018] Furthermore, the upper connecting steel plate 7 with round holes is a rectangular steel plate with vulcanized rubber injection holes and bolt holes. Its thickness is not less than the thickness of the flange of the steel frame H-beam 3. The bolt holes on it correspond to the bolt holes on the lower flange of the steel frame H-beam 3. The upper connecting steel plate 7 with round holes has vulcanized rubber injection holes in the middle of the cavity between the shear-loaded parallel round hole soft steel plate 10, the front and rear sealing soft steel plates 12, and the lead plate 11. The diameter of the vulcanized rubber injection holes is not less than 20mm, and the width of the upper connecting steel plate 7 with round holes is not greater than the flange width of the steel frame H-beam 3.
[0019] Furthermore, the lower connecting steel plate 8 is a rectangular steel plate with connecting bolt holes at the bottom of the shear-parallel circular hole soft steel plate laminated with rubber-lead plate energy dissipation and vibration reduction structure 6, and its size is the same as that of the upper connecting steel plate with circular holes 7.
[0020] Furthermore, the soft steel plate 9 for sealing the dog bone hole on both sides is a rectangular soft thin steel plate with the same perimeter size as the soft steel plate for the dog bone hole. After the outer side of the rectangular soft thin steel plate is covered with skin, it is welded to the left and right ends of the upper connecting steel plate with round hole 7 and the lower connecting steel plate 8.
[0021] Furthermore, the shear-loaded parallel perforated soft steel plate 10 is a set of parallel soft steel plates with perforations, and the thickness of the soft steel plate with perforations is determined according to the stress and energy dissipation requirements. Under a major earthquake, the shear-loaded parallel perforated soft steel plate welded between the upper and lower connecting steel plates undergoes shear yield deformation to dissipate seismic energy.
[0022] Furthermore, the front and rear sealing soft steel plates 11 are rectangular soft steel plates, forming multiple cavities with the left and right side sealing skin dog bone hole soft steel plates 9, shear-loaded parallel circular hole soft steel plates 10, and lead plates 12. The front and rear sealing soft steel plates 11 are mainly subjected to shear deformation. Under minor or moderate earthquakes, they can effectively control inter-story displacement by exerting high shear stiffness. Under major earthquakes, they dissipate seismic energy through buckling deformation.
[0023] Furthermore, the lead plate 12 inserted into the cavity of the parallel circular hole soft steel plate and the front and rear sealing soft steel plates is a rectangular cross-section lead plate inserted from the left or right side into the cavity between the parallel circular hole soft steel plate and the front and rear sealing soft steel plates. It forms a multi-cavity structure with the parallel circular hole soft steel plate, the front and rear sealing soft steel plates, and the left and right side sealing skin dog bone hole soft steel plates. The cross-section of the lead plate can be square. Under earthquakes, the lead plate increases the damping of the device. Under a large earthquake, the plastic deformation of the lead plate can consume more seismic energy.
[0024] Furthermore, the vulcanized laminated rubber 13 is vulcanized rubber produced by hot vulcanization, which has high elasticity, high heat resistance, high tensile strength, high wear resistance, and high corrosion resistance. This rubber is poured into the cavity between the shear-receiving parallel-perforated soft steel plate 7, the front and rear sealing soft steel plates 11, and the lead plate 12 while in a molten state. The molten vulcanized rubber flows through the holes in adjacent shear-receiving parallel-perforated soft steel plates 10 and vulcanizes and bonds with the lead plate. After natural cooling, it forms the vulcanized laminated rubber 13. The laminated rubber connecting the shear-receiving parallel-perforated soft steel plates deforms synergistically with the soft steel plate-lead plate and provides restoring force, effectively improving the energy dissipation and vibration reduction effect and seismic toughness of the device.
[0025] High-strength bolts 14 are used for the following connections: forming connection of steel frame-support structure 1, where the end of the steel frame H-beam 3 is provided with a connecting end plate and is assembled and connected to the steel frame H-beam column 2 with bolt holes using high-strength bolts 14 to form a steel frame; connecting end steel plate 5 formed by welding H-beam herringbone support 4 to the upper end intersection area of the support to the upper flange of the lower H-beam 3 of the steel frame using high-strength bolts 14; connecting the upper connecting steel plate 7 with round holes of the shear parallel round hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure 6 to the lower flange of the steel frame H-beam 3 using high-strength bolts 14; connecting the lower connecting steel plate 8 of the shear parallel round hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure 6 to the connecting end steel plate 5 welded to the upper end intersection area of the H-beam herringbone support 4 using high-strength bolts 14.
[0026] Material characteristics: The soft steel plate 9 for sealing the dog bone hole of the skin, the soft steel plate 10 for shear-loaded parallel circular hole, and the front and rear sealing soft steel plates 11 are made of Q235 steel; the steel frame-support structure 1, the connecting end steel plate 5 welded to the upper area of the H-beam herringbone support, the upper connecting steel plate 7 with circular hole, and the lower connecting steel plate 8 are all made of Q345B steel; the lead plate 12 is made of lead with an elastic modulus of not less than 17 GPa and a yield strength of not less than 5 MPa; the vulcanized laminated rubber 13 is made of lead with a shear modulus of... G =0.4~0.6MPa rubber; high-strength bolts 14 with a strength grade not lower than S8.8.
[0027] Compared with the prior art, this utility model relates to a shear-parallel circular hole soft steel plate laminated with rubber and lead plate energy dissipation and vibration reduction device for steel frame-braced structures, which has the following advantages:
[0028] 1. This utility model's energy dissipation and vibration reduction device, featuring a parallel circular hole soft steel plate laminated with rubber and lead plates, is simple in structure, easy to manufacture, and convenient to assemble. The soft steel and lead used in this device are common materials on the market. The punching process in the preparation of the dog-bone hole soft steel plate is a mature steel forming process, and the use of molds for hot-melt injection molding of the lead plate is also a mature and feasible process. The vulcanized laminated rubber injected inside the energy dissipation and vibration reduction device is prepared through a hot vulcanization process, a mature technology. Vulcanized rubber possesses high durability, high corrosion resistance, and high fatigue resistance, and is less affected by temperature, overcoming the drawbacks of viscous dampers, viscoelastic dampers, unstable damping force due to media aging, high temperature sensitivity, and easy damage to seals.
[0029] 2. This utility model's energy dissipation and damping device, featuring a laminated rubber-lead plate with parallel circular holes in shear-resistant soft steel plates, possesses two lines of defense against seismic events. Under minor or moderate earthquakes, the front and rear sealing soft steel plates and the soft steel plates with parallel circular holes in shear exert high shear stiffness, effectively controlling inter-story displacement, forming the first line of defense. Under major earthquakes, the front and rear sealing soft steel plates and the soft steel plates with parallel circular holes in shear absorb seismic energy through shear buckling deformation, while the lead plate absorbs a significant amount of seismic energy through plastic deformation, forming the second line of defense. Compared to traditional soft steel dampers, this device allows for performance-based design based on structural seismic requirements.
[0030] 3. This utility model's energy dissipation and vibration reduction device, consisting of a shear-loaded parallel circular hole soft steel plate laminated with rubber and lead plates, features synergistic force-bearing characteristics. The soft steel possesses excellent buckling energy dissipation capacity, the lead plate exhibits strong plastic deformation energy dissipation capacity, and the rubber demonstrates excellent elastic deformation capacity and recoverability. By integrating the advantages of these three materials—soft steel, lead plate, and rubber—the rubber connecting the shear-loaded parallel circular hole soft steel plates synergistically deforms with the soft steel plate and lead plate to dissipate energy and provide restoring force, effectively enhancing the energy dissipation and vibration reduction effect and seismic toughness of the device. Attached Figure Description
[0031] Fig. 1 Steel frame-bracing structure and shear-loaded parallel circular hole soft steel plate laminated with rubber-lead plate energy dissipation and vibration damping device connected to it by high-strength bolts. (a) is the steel frame-bracing structure; (b) is the steel frame-bracing structure-energy dissipation and vibration damping device system.
[0032] Fig. 2 Structure of a shear-loaded parallel circular hole soft steel plate laminated with rubber-lead plate for energy dissipation and vibration reduction.
[0033] Fig. 3 Dog-bone hole soft steel plate construction and skin dog-bone hole soft steel plate construction. (a) is a dog-bone hole soft steel plate construction; (b) is a skin round hole soft steel plate construction. Detailed Implementation
[0034] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0035] like Figs. 1-3 As shown, a shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure is assembled with a steel frame-support structure using high-strength bolts. The steel frame-support structure 1 consists of: steel frame H-shaped steel column 2, steel frame H-shaped steel beam 3, H-shaped steel herringbone support 4, and connecting end steel plate 5 welded to the upper intersection area of the support; the shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure 6 consists of: upper connecting steel plate with circular holes 7, lower connecting steel plate 8, soft steel plates with dog bone holes on the left and right sides for sealing 9, shear-parallel circular hole soft steel plate 10, front and rear sealing soft steel plate 11, rectangular lead plate 12 placed in the middle of the cavity between the shear-parallel circular hole soft steel plate and the front and rear sealing steel plate, and vulcanized laminated rubber 13; the high-strength bolt connection system consists of: high-strength bolts 14 used for assembling the H-shaped steel beam-column frame, assembling the H-shaped steel herringbone support, and assembling the steel frame-support structure with the shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction device.
[0036] In the steel frame-support structure 1, the steel frame H-shaped steel columns 2 and the upper and lower steel frame H-shaped steel beams 3 are connected by high-strength bolts 13 to form a steel frame. The upper part of the H-shaped steel herringbone support 4 is welded to the upper flange of the lower steel frame H-shaped steel beam using high-strength bolts 13. The steel frame H-shaped steel columns 2 and steel frame H-shaped steel beams 3 are made of welded or rolled H-shaped steel. The bottom of the steel frame H-shaped steel column 2 is welded with a bottom plate and stiffening ribs, and the bottom plate is connected to the pre-embedded bolts in the foundation to form the steel frame column base. The ends of the frame H-shaped steel beams 3 are welded with rectangular end plates, which have bolt holes. The bolt holes on the rectangular end plates correspond to the bolt holes on the steel frame H-shaped steel columns 2 and are connected by high-strength bolts. The thickness of the rectangular end plates welded to the ends of the steel frame H-shaped steel beams 3 is not less than that of the steel frame H-shaped steel beams 3. The thickness of the flange of the steel column 2; stiffening ribs are welded on both sides of the web of the steel frame H-beam 2 in the steel frame beam-column joint area, and the welding position of the stiffening ribs is consistent with the elevation of the upper and lower flanges of the steel frame H-beam 3; stiffening ribs are welded on both sides of the web of the H-beam at both ends of the connection area between the upper connecting steel plate 7 with the lower flange of the steel frame H-beam 3, and the thickness of the stiffening ribs is not less than the thickness of the web of the beam; the H-beam herringbone support 4 is a symmetrically arranged diagonal H-beam, and the connecting end steel plate 5 is welded at the upper intersection area of the H-beam herringbone support 4; the connecting end steel plate 5 welded at the upper intersection area of the H-beam herringbone support 4 and the lower connecting steel plate 8 are connected by high-strength bolts 14; the horizontal angle between the H-beam herringbone support 4 and the steel frame H-beam 3 is 45°~60°.
[0037] In the shear-parallel perforated soft steel plate laminated rubber energy dissipation and vibration reduction structure 6, multiple shear-parallel perforated soft steel plates 10 are arranged vertically side by side, with their upper and lower ends welded to the upper connecting steel plate 7 with perforated holes and the lower connecting steel plate 8, respectively. Front and rear sealing soft steel plates 11 are welded to the left and right sides to form a multi-cavity steel component. The outer side of the multi-cavity steel component is a sealing skin dog bone hole soft steel plate 9. The upper connecting steel plate 7 with perforated holes has a reserved perforation. Molten vulcanized rubber is poured into the cavity of the multi-cavity steel component between the welded shear-parallel perforated soft steel plates 10. After the vulcanized rubber cools, it is integrally formed with the multi-cavity steel component to form the shear-parallel perforated soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure 6. A rectangular lead plate 11 is inserted into the cavity of the parallel dog-bone hole soft steel plate and then bonded to seal it, thus preparing a welded soft steel plate system - a lead plate with bonded seal. Molten vulcanized rubber is poured into the cavity between the welded energy dissipation and vibration damping device soft steel plates through the reserved round hole of the upper connecting steel plate 7. After cooling, vulcanized laminated rubber 13 is formed. The vulcanized laminated rubber 13 and the welded soft steel plate system - lead plate with bonded seal constitute a shear-receiving parallel round hole soft steel plate laminated rubber - lead plate energy dissipation and vibration damping structure 6.
[0038] The upper connecting steel plate 7 with round holes is a rectangular steel plate with vulcanized rubber injection holes and bolt holes. Its thickness is not less than the thickness of the flange of the steel frame H-beam 3. The bolt holes on it correspond to the bolt holes on the lower flange of the steel frame H-beam 3. Vulcanized rubber injection holes are opened in the middle of the cavity between the shear-parallel round hole soft steel plate 10, the front and rear sealing soft steel plates 12, and the lead plate 11. The diameter of the vulcanized rubber injection holes is not less than 20mm. The width of the upper connecting steel plate 7 with round holes is not greater than the flange width of the steel frame H-beam 3.
[0039] The lower connecting steel plate 8 is a rectangular steel plate with connecting bolt holes at the bottom of the energy dissipation and vibration reduction structure 6 consisting of a soft steel plate with parallel circular holes subjected to shear and a rubber-lead plate. Its dimensions are the same as those of the upper connecting steel plate 7 with circular holes.
[0040] The soft steel plate 9 for sealing the dog bone hole on both sides is a rectangular soft thin steel plate with the same perimeter size as the soft steel plate for the dog bone hole. After the outer side of the rectangular soft thin steel plate is covered with skin, it is welded to the left and right ends of the upper connecting steel plate with round hole 7 and the lower connecting steel plate 8.
[0041] The shear-loaded parallel perforated soft steel plate 10 is a set of parallel soft steel plates with perforations. The thickness of the perforated soft steel plate is determined according to the stress and energy dissipation requirements. Under a major earthquake, the shear-loaded parallel perforated soft steel plate welded between the upper and lower connecting steel plates undergoes shear yield deformation to dissipate seismic energy.
[0042] The aforementioned front and rear sealing soft steel plates 11 are rectangular soft steel plates, forming multiple cavities with the left and right side sealing skin dog bone hole soft steel plates 9, shear-loaded parallel circular hole soft steel plates 10, and lead plates 12. The front and rear sealing soft steel plates 11 are primarily subjected to shear deformation. Under minor or moderate earthquakes, they can effectively control inter-story displacement by exerting high shear stiffness. Under major earthquakes, they dissipate seismic energy through buckling deformation.
[0043] The lead plate 12, which is inserted into the cavity of the parallel circular hole soft steel plate and the front and rear sealing soft steel plates, is a rectangular cross-section lead plate inserted from the left or right side into the cavity between the parallel circular hole soft steel plate and the front and rear sealing soft steel plates. It forms a multi-cavity structure with the parallel circular hole soft steel plate, the front and rear sealing soft steel plates, and the left and right side sealing skin dog bone hole soft steel plates. The cross-section of the lead plate can be square. Under earthquakes, the lead plate increases the damping of the device. Under a large earthquake, the plastic deformation of the lead plate can consume more seismic energy.
[0044] The vulcanized laminated rubber 13 is produced by hot vulcanization and has high elasticity, high heat resistance, high tensile strength, high wear resistance, and high corrosion resistance. It is poured into the cavity between the shear-receiving parallel circular hole soft steel plate 10, the front and rear sealing soft steel plates 11, and the lead plate 12 while in a hot-molten state. The hot-molten vulcanized rubber flows through the holes on the adjacent shear-receiving parallel circular hole soft steel plates 10 and vulcanizes and bonds with the lead plate. After natural cooling, it forms the vulcanized laminated rubber 13. The laminated rubber that penetrates between the shear-receiving parallel circular hole soft steel plates deforms in conjunction with the soft steel plate-lead plate and provides restoring force, which can effectively improve the energy dissipation and vibration reduction effect and seismic toughness of the device.
[0045] High-strength bolts 14 are used for the following connections: forming connection of steel frame-support structure 1, where the end of the steel frame H-beam 3 is provided with a connecting end plate and is assembled and connected to the steel frame H-beam column 2 with bolt holes using high-strength bolts 14 to form a steel frame; connecting end steel plate 5 formed by welding H-beam herringbone support 4 to the upper end intersection area of the support to the upper flange of the lower H-beam 3 of the steel frame using high-strength bolts 14; connecting the upper connecting steel plate 7 with round holes of the shear parallel round hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure 6 to the lower flange of the steel frame H-beam 3 using high-strength bolts 14; connecting the lower connecting steel plate 8 of the shear parallel round hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure 6 to the connecting end steel plate 5 welded to the upper end intersection area of the H-beam herringbone support 4 using high-strength bolts 14.
[0046] Material characteristics: The soft steel plate 9 for sealing the dog bone hole of the skin, the soft steel plate 10 for shear-loaded parallel circular hole, and the front and rear sealing soft steel plates 11 are made of Q235 steel; the steel frame-support structure 1, the connecting end steel plate 5 welded to the upper area of the H-beam herringbone support, the upper connecting steel plate 7 with circular hole, and the lower connecting steel plate 8 are all made of Q345B steel; the lead plate 12 is made of lead with an elastic modulus of not less than 17 GPa and a yield strength of not less than 5 MPa; the vulcanized laminated rubber 13 is made of lead with a shear modulus of... G =0.4~0.6MPa rubber; high-strength bolts 14 with a strength grade not lower than S8.8.
[0047] Step 1: Fabricate the steel frame-supporting structural steel components, including H-beams, H-columns, and H-shaped herringbone braces. The factory manufactures and processes the H-beams, H-columns, end plates with bolt holes, stiffening ribs, and cover plates. Bottom plates and cover plates with bolt holes are welded to the bottom and top of the H-columns, respectively. End plates with bolt holes are welded to the ends of the H-beams. Stiffening ribs are welded to the H-columns and H-beams. Bolt holes are drilled on the flanges of the H-beams and H-columns. The H-shaped herringbone braces are fabricated, and connecting end plates are welded to their upper intersection areas.
[0048] Step 2: Processing mild steel plates and lead plates. The mild steel plates are cut and sealed before and after shaping; round holes are punched into the mild steel plate base material using a stamping process to form round-hole mild steel plates; dog-bone holes are punched into the base material to form dog-bone hole mild steel plates; rectangular thin mild steel plates of the same perimeter are then welded onto the dog-bone hole mild steel plates to form skinned dog-bone hole mild steel plates; hot-melt fluid lead is poured into a mold and then naturally cooled to form lead plates.
[0049] Step 3: Prepare the metal components of the energy dissipation and vibration reduction device. First, weld the shear-receiving parallel circular hole soft steel plates to the corresponding positions of the upper connecting plate with circular holes and the lower connecting plate. Then, weld the front and rear sealing soft steel plates. Insert the lead plate into the middle of the cavity between the shear-receiving parallel circular hole soft steel plates and the front and rear sealing soft steel plates from the left or right side. After that, weld the left and right sealing skin dog bone hole soft steel plates between the upper connecting plate with circular holes and the lower connecting plate. Finally, weld the left and right sealing skin dog bone hole soft steel plates to the front and rear sealing soft steel plates.
[0050] Step 4: Preparation of the shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration damping device. Vulcanized rubber is prepared using a hot vulcanization method. The vulcanized rubber is injected into the cavity between the soft steel plate and the lead plate through the circular holes on the upper connecting plate. The molten vulcanized rubber flows through the holes in adjacent shear-parallel circular hole soft steel plates and vulcanizes and bonds with the lead plate. After natural cooling, the shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration damping device is formed.
[0051] Step 5: Assemble the steel frame. First, use high-strength bolts to connect and fix the bottom connecting plate of the H-beam to the foundation; then use high-strength bolts to connect the end plate of the H-beam to the H-beam column.
[0052] Step 6: Assemble the H-beam herringbone supports. Use high-strength bolts to connect the bottom end plates of the two supports of the component, which are welded to the upper flange of the lower H-beam, at the intersection area of the upper H-beam herringbone supports.
[0053] Step 7: Assemble the energy dissipation and vibration damping device consisting of a shear-loaded parallel circular hole soft steel plate laminated with rubber and lead plates. Use high-strength bolts to connect the upper connecting steel plate with circular holes in the energy dissipation and vibration damping device to the bolt holes on the lower flange of the H-beam. Then, use high-strength bolts to connect the lower connecting steel plate of the energy dissipation and vibration damping device to the bolt holes on the upper connecting end plate welded to the upper area of the H-beam herringbone support. Example
[0054] First, based on the structural layout of the building design, determine the location and specific dimensions of the H-beams and H-columns of the steel frame; in conjunction with the design of the steel frame, design the H-beam herringbone bracing and the connecting end steel plates welded at the intersection of the upper ends of the bracing; according to the design requirements of multiple seismic defense lines, design a shear-resistant parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction device.
[0055] The construction process of a shear-loaded parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction device for a steel frame-braced structure is as follows: S1 The factory prepares the steel frame H-beams, H-columns, H-shaped supports, and matching assembly components; S2 The factory cuts, punches, and welds the soft steel plates with dog bone holes on the left and right sides, and the front and rear sealing soft steel plates, punches and processes the circular hole soft steel plates, and uses molds to pour fluidized lead to form lead plates; S3 The factory processes other steel components of the energy dissipation and vibration reduction device; S4 Connects the steel plates with circular holes on top. After welding the shear parallel circular hole soft steel plate to the corresponding position of the lower connecting steel plate, weld the front and rear sealing soft steel plates. Insert the lead plate into the middle of the cavity from the left or right side of the cavity between the shear parallel circular hole soft steel plate and the front and rear sealing steel plates. Then weld the left and right sealing skin dog bone hole soft steel plates. S5 prepares vulcanized rubber by hot vulcanization and pours the hot molten vulcanized rubber into the cavity formed by the soft steel plate and lead plate of the energy dissipation and vibration damping device. After natural cooling, the shear parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration damping device is formed.
[0056] On-site, high-strength bolts were used to assemble the steel frame, weld the steel plate components at the upper end of the H-beam herringbone support, and assemble the energy dissipation and vibration reduction device of the soft steel plate with parallel circular holes subjected to shear and rubber-lead plate.
[0057] The above is a typical embodiment of the present invention, and the implementation of the present invention is not limited thereto.
Claims
1. A shear-loaded parallel circular hole soft steel plate laminated with rubber-lead plate energy dissipation and vibration reduction device, characterized in that: The structure includes a steel frame-support structure (1) and a shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure (6) set in the steel frame-support structure (1); the shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure (6) is arranged sequentially along the middle of the steel frame-support structure (1); the shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure (6) includes a multi-cavity steel member formed by welding an upper connecting steel plate with circular holes (7), a lower connecting steel plate (8), a soft steel plate with sealed skin dog bone holes (9), a shear-parallel circular hole soft steel plate (10), rectangular lead plates (11) that are inserted and bonded to seal the cavity of the soft steel plate with parallel dog bone holes at the front and back respectively, and front and rear sealing soft steel plates (12), and vulcanized laminated rubber (13) injected into the multi-cavity steel member. In the steel frame-support structure (1), the steel frame H-shaped steel columns (2) and the upper and lower steel frame H-shaped steel beams (3) are connected by high-strength bolts (14) to form a steel frame. The upper part of the H-shaped steel herringbone support (4) is welded to the upper flange of the lower steel frame H-shaped steel beam using high-strength bolts (14). The bottom of the steel frame H-shaped steel column (2) is welded with a connecting plate and stiffening ribs. The connecting plate is connected to the pre-embedded bolts in the foundation to form the steel frame column foot. The ends of the steel frame H-shaped steel beams (3) are welded with rectangular end plates. Bolt holes are opened on the rectangular end plates. The bolt holes on the rectangular end plates correspond to the bolt holes on the steel frame H-shaped steel columns (2). High-strength bolts are used for connection; the thickness of the rectangular end plate welded to the end of the steel frame H-beam (3) is not less than the flange thickness of the steel frame H-beam column (2); stiffening ribs are welded on both sides of the web of the steel frame H-beam column (2) in the steel frame beam-column joint area, and the welding position of the stiffening ribs is consistent with the elevation of the upper and lower flanges of the steel frame H-beam (3); stiffening ribs are welded on both sides of the web of the H-beam at both ends of the connection area between the upper connecting steel plate with round hole (7) and the lower flange of the steel frame H-beam (3), and the thickness of the stiffening ribs is not less than the thickness of the web of the beam; the H-beam herringbone support (4) is a symmetrically arranged oblique H-beam, and the connecting end steel plate (5) is welded to the upper intersection area of the H-beam herringbone support (4); the connecting end steel plate (5) welded to the upper intersection area of the H-beam herringbone support (4) and the lower connecting steel plate (8) are connected by high-strength bolts (14).
2. The energy dissipation and vibration damping device of shear-loaded parallel circular hole soft steel plate laminated with rubber-lead plate according to claim 1, characterized in that, The steel frame H-beams (2) and steel frame H-beams (3) are made of welded or rolled H-beams.
3. The energy dissipation and vibration damping device of shear-loaded parallel circular hole soft steel plate laminated with rubber-lead plate according to claim 1, characterized in that, The horizontal angle between the H-beam herringbone support (4) and the H-beam (3) of the steel frame is 45°~60°.
4. The energy dissipation and vibration damping device of shear-loaded parallel circular hole soft steel plate laminated with rubber-lead plate according to claim 1, characterized in that, In the shear-parallel circular hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure (6), multiple shear-parallel circular hole soft steel plates (10) are arranged vertically side by side, and their upper and lower ends are welded to the upper connecting steel plate with circular holes (7) and the lower connecting steel plate (8) respectively. The left and right sides are welded with front and rear sealing soft steel plates (12) to form a multi-cavity steel component; the outer side of the multi-cavity steel component is a sealing skin dog bone hole soft steel plate (9); the upper connecting steel plate with circular holes (7) is provided with a reserved circular hole, and the rectangular lead plate (11) is from the flat Adhesive sealant is inserted into the front and back of the soft steel plate cavity to prepare a welded soft steel plate system-lead plate with adhesive sealant. Molten vulcanized rubber is injected into the cavity between the welded soft steel plates through the reserved round hole of the upper connecting steel plate with round hole (7). After cooling, vulcanized laminated rubber (13) is formed. The vulcanized laminated rubber (13) and the welded soft steel plate system-lead plate with adhesive sealant constitute a shear parallel round hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure (6).
5. The energy dissipation and vibration damping device of shear-loaded parallel circular hole soft steel plate laminated with rubber-lead plate according to claim 1, characterized in that, The upper connecting steel plate with round holes (7) is a rectangular steel plate with vulcanized rubber injection holes and bolt holes. Its thickness is not less than the thickness of the flange of the steel frame H-beam (3). The bolt hole positions on it correspond to the bolt hole positions of the lower flange of the steel frame H-beam (3). The upper connecting steel plate with round holes (7) has vulcanized rubber injection holes in the middle of the cavity between the shear parallel round hole soft steel plate (10), the front and rear sealing soft steel plate (12), and the rectangular lead plate (11). The diameter of the vulcanized rubber injection hole is not less than 20mm. The width of the upper connecting steel plate with round holes (7) is not greater than the flange width of the steel frame H-beam (3).
6. The energy dissipation and vibration damping device of shear-loaded parallel circular hole soft steel plate laminated with rubber-lead plate according to claim 1, characterized in that, The lower connecting steel plate (8) is a rectangular steel plate with connecting bolt holes at the bottom of the shear-parallel round hole soft steel plate laminated rubber-lead plate energy dissipation and vibration reduction structure (6), and its size is consistent with the upper connecting steel plate with round holes (7).
7. The energy dissipation and vibration damping device of shear-loaded parallel circular hole soft steel plate laminated with rubber-lead plate according to claim 1, characterized in that, The soft steel plate (9) used to seal the dog bone hole of the skin is a rectangular soft thin steel plate with the same perimeter size as the soft steel plate of the dog bone hole. After the skin is attached to the outside of the rectangular soft thin steel plate, it is welded to the left and right ends of the upper connecting steel plate with round hole (7) and the lower connecting steel plate (8).
8. The energy dissipation and vibration damping device of shear-loaded parallel circular hole soft steel plate laminated with rubber-lead plate according to claim 1, characterized in that, The shear-loaded parallel circular hole soft steel plate (10) is a set of parallel soft steel plates with circular holes. The thickness of the soft steel plate with circular holes is determined according to the stress and energy consumption requirements. The front and rear sealing soft steel plates (12) are rectangular soft steel plates, forming multiple cavities with the sealing skin dog bone hole soft steel plate (9), the shear-loaded parallel circular hole soft steel plate (10), and the rectangular lead plate (11).
9. The energy dissipation and vibration damping device of shear-loaded parallel circular hole soft steel plate laminated with rubber-lead plate according to claim 1, characterized in that, A rectangular lead plate (11) is inserted into the cavity of the parallel circular hole soft steel plate and the front and rear sealing soft steel plates. It is a rectangular cross-section lead plate inserted from the left or right side into the cavity between the parallel circular hole soft steel plate and the front and rear sealing soft steel plates. It forms a multi-cavity structure with the parallel circular hole soft steel plate, the front and rear sealing soft steel plates and the sealing skin dog bone hole soft steel plate. The cross-section of the lead plate is square.
10. The energy dissipation and vibration damping device of shear-loaded parallel circular hole soft steel plate laminated with rubber-lead plate according to claim 1, characterized in that, The soft steel plate (9) for sealing the skin dog bone hole, the soft steel plate (10) for shear parallel round hole, and the soft steel plate (12) for sealing the front and rear are made of Q235 steel; the steel frame-support structure (1), the connecting end steel plate (5) welded to the upper area of the H-beam herringbone support, the upper connecting steel plate with round hole (7), and the lower connecting steel plate (8) are all made of Q345B steel.