Shear parallel circular hole soft steel plate laminated rubber energy dissipation device
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
Smart Images
Figure CN224314399U_ABST
Abstract
Description
Technical Field
[0001] This invention relates to a shear-parallel circular hole soft steel plate laminated rubber energy dissipation and vibration reduction device for steel frame-braced 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. Economically, efficiently, and rationally enhancing a building's resistance to earthquake damage and collapse typically employs three technologies: first, seismic design technology, which utilizes efficient seismic-resistant structural systems and high-performance seismic-resistant components to enhance 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. The engineering community both domestically and internationally has always attached great importance to the research and development of new energy dissipation and damping devices. Currently, energy dissipation and damping devices mainly include viscous dampers, metallic dampers, and friction dampers. However, there is a significant lack of functionally recoverable energy dissipation and damping devices and manufacturing technologies suitable for performance-based design and possessing multiple seismic defense lines.
[0003] This invention proposes a shear-parallel circular hole soft steel plate laminated rubber energy dissipation and vibration reduction device and method for use in steel frame-braced 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 a steel plate welded to the intersection area of the H-shaped steel herringbone support; soft steel plates with sealing dog-bone holes on both sides welded between the upper and lower connecting steel plates; shear-parallel circular hole soft steel plates 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; vulcanized rubber injected through the circular holes in the cavity of the shear-parallel circular hole soft steel plates between the upper connecting steel plates; and a high-strength bolt system connecting the upper and lower connecting steel plates to the steel frame-braced structure. Under minor or moderate earthquakes, the front and rear sealing soft steel plates and the shear-loaded parallel circular hole soft steel plates of this energy dissipation and damping device can fully utilize their high shear stiffness to effectively control the inter-story drift angle. Under major earthquakes, the front and rear sealing soft steel plates and the central shear-loaded parallel circular hole soft steel plate of this energy dissipation and damping device dissipate seismic energy through shear plastic deformation. The rubber and soft steel plates that connect the central shear-loaded parallel circular hole soft steel plates undergo synergistic shear deformation and provide restoring force, which can effectively improve the energy dissipation and damping effect of the energy dissipation and damping device and its ease of repair after major earthquakes.
[0004] 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 upon 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 energy dissipation of a round-hole soft steel plate with the restoring force provided by rubber shear deformation, assembled between a steel frame and a herringbone steel support. Summary of the Invention
[0005] The aforementioned shear-parallel circular hole soft steel plate laminated rubber energy dissipation and vibration reduction device comprises 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 steel plate welded to the intersection area of the H-shaped steel herringbone support, soft steel plates with sealing dog bone holes on the left and right sides welded between the upper and lower connecting steel plates, shear-parallel circular hole soft steel plates 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, vulcanized rubber injected through the circular holes in the cavity of the shear-parallel circular hole soft steel plate between the upper connecting steel plates, and a high-strength bolt system connecting the upper and lower connecting steel plates to the steel frame-support structure.
[0006] The aforementioned perforated mild steel plate is a rectangular mild steel plate with distributed perforated holes punched out.
[0007] The aforementioned parallel circular hole mild steel plate is a set of parallel circular hole mild steel plates that are mainly subjected to shear deformation, welded between the upper and lower connecting steel plates of the energy dissipation and vibration reduction device.
[0008] 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.
[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, forming a multi-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 aforementioned laminated vulcanized rubber is a structure formed by pouring hot vulcanized rubber into the cavity of an energy dissipation and vibration damping device in a molten state, consisting of a perforated soft steel plate, soft steel plates sealing the dog bone holes on both sides, and soft steel plates sealing the front and rear. The molten vulcanized rubber flows and connects through the openings on the perforated soft steel plate, and is then cooled and molded to form a laminated rubber structure.
[0011] 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.
[0012] To achieve the above objectives, the present invention adopts the following technical solution:
[0013] A shear-parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping device, 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 energy dissipation and vibration damping structure 6 disposed within the steel frame-support structure 1; the shear-parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping 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 energy dissipation and vibration damping 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 skin dog bone hole, a shear-parallel circular hole soft steel plate 10, and front and rear sealing soft steel plates 11, and vulcanized laminated rubber 12 injected into the cavity of the multi-cavity steel component.
[0014] Furthermore, the steel frame-support structure 1, the steel structure 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 3 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 to a base plate and stiffening ribs, and the 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 13; the horizontal angle between the H-beam herringbone support 4 and the steel frame H-beam 3 is 45°~60°.
[0015] 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. 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 soft steel plate 9 with a sealed skin dog bone hole. The upper connecting steel plate 7 with circular holes has pre-reserved circular holes. Molten vulcanized rubber is poured into the cavities of the multi-cavity steel component between the welded shear-parallel circular hole soft steel plates 10, and after cooling, vulcanized laminated rubber 12 is formed. After cooling, the vulcanized rubber 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.
[0016] 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 a vulcanized rubber injection hole on the upper part of each cavity formed by the shear parallel round hole soft steel plate 10. The diameter of the vulcanized rubber injection hole 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.
[0017] 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 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.
[0018] Furthermore, the soft steel plate 9 for sealing the dog bone hole of the skin is a rectangular soft thin steel plate with the same perimeter size as the soft steel plate for 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.
[0019] Furthermore, the shear-loaded parallel circular hole soft steel plate 10 is a set of parallel circular hole soft steel plates with nearly equal cross-sections and shear yield deformation. The circular hole soft steel plates are formed by punching out the distributed circles from rectangular soft steel plates. The thickness of the circular hole soft steel plates is determined according to the stress and energy dissipation requirements. Under a major earthquake, the shear-loaded parallel circular hole soft steel plates 10 welded between the upper and lower connecting steel plates dissipate seismic energy through shear yield deformation.
[0020] Furthermore, the sealing soft steel plate 11 is a rectangular soft steel plate, forming several cavities with the sealing skin dog bone hole soft steel plate 9 and the shear-loaded parallel circular hole soft steel plate 10. The sealing soft steel plate 11 mainly undergoes shear deformation, effectively controlling inter-story displacement under minor or moderate earthquakes by exerting high shear stiffness, and dissipating seismic energy through buckling deformation under major earthquakes.
[0021] Furthermore, the vulcanized laminated rubber 12 is a vulcanized rubber with high elasticity, high heat resistance, high tensile strength, high wear resistance, and high corrosion resistance produced by hot vulcanization. It is poured into the cavity between the shear parallel hole soft steel plates 10 through the round holes on the upper connecting steel plate 7 in a hot-molten state. The vulcanized rubber in the hot-molten state flows through the round holes on the adjacent shear parallel hole soft steel plates 10. After natural cooling, the vulcanized laminated rubber 12 is vulcanized. The rubber that flows through the shear parallel hole soft steel plates deforms together with the soft steel plates and provides restoring force, which can effectively improve the energy dissipation and vibration reduction effect and seismic toughness of the device.
[0022] Furthermore, the high-strength bolts 13 are used for the following connections: the forming connection of the steel frame-support structure 1, wherein 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 13 to form a steel frame; the component formed by welding the connecting end steel plate 5 of the H-beam herringbone support 4 to the upper end intersection area of the support is connected to the upper flange of the lower H-beam 3 of the steel frame using high-strength bolts 13; the upper connecting steel plate 7 with round holes of the shear parallel round hole soft steel plate laminated rubber energy dissipation and damping structure 6 is connected to the lower flange of the steel frame H-beam 3 using high-strength bolts 13; the lower connecting steel plate 8 of the shear parallel round hole soft steel plate laminated rubber energy dissipation and damping structure 6 is connected to the connecting end steel plate 5 of the upper end intersection area of the H-beam herringbone support 4 using high-strength bolts 13.
[0023] 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 round 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 round hole, and the lower connecting steel plate 8 are all made of Q345B steel; the vulcanized laminated rubber 12 has a shear modulus of... G =0.4~0.6MPa rubber; high-strength bolts 13 with a strength grade not lower than S8.8.
[0024] Compared with the prior art, the present invention relates to a shear-restrained parallel circular hole soft steel plate laminated rubber energy dissipation and damping device and its method for use in steel frame-braced structures, which has the following advantages:
[0025] 1. The energy dissipation and vibration reduction device of the present invention, consisting of parallel circular hole soft steel plates and laminated rubber, is simple in structure, easy to manufacture, convenient to assemble, and low in cost. The soft steel used in this energy dissipation and vibration reduction device is a common type of steel used in building structures, and its cost is low. The punching process in the preparation of the circular hole soft steel plates is a mature and feasible steel forming 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 has high durability, high corrosion resistance, and high fatigue resistance, and is less affected by temperature, overcoming the drawbacks of viscous dampers, viscoelastic dampers, and lead viscoelastic dampers, such as unstable damping force due to aging of the medium, high temperature sensitivity, and easy damage to seals.
[0026] 2. Compared with traditional soft steel dampers, the energy dissipation and vibration reduction device of the present invention, which is a soft steel plate laminated with rubber and subjected to parallel circular holes, can realize the performance-oriented design of the energy dissipation and vibration reduction device according to the seismic resistance requirements of the structure.
[0027] 3. The shear-parallel circular hole soft steel plate laminated rubber energy dissipation and vibration reduction device of the present invention has the characteristics of two lines of defense. Under the action of minor or moderate earthquakes, the front and rear sealing soft steel plates and the shear-parallel circular hole soft steel plates of this energy dissipation and vibration reduction device can give full play to their high shear stiffness and effectively control the inter-story drift angle, which is the first line of earthquake resistance. Under the action of major earthquakes, the front and rear sealing soft steel plates and the middle shear-parallel circular hole soft steel plate of this energy dissipation and vibration reduction device consume seismic energy through shear plastic deformation. The rubber and soft steel plates that penetrate the middle shear-parallel circular hole soft steel plate cooperate in shear deformation and provide restoring force, which can effectively improve the energy dissipation and vibration reduction effect of the energy dissipation and vibration reduction device and the ease of repair after major earthquakes, which is the second line of earthquake resistance. Attached Figure Description
[0028] Figure 1 The diagram shows a steel frame-bracing structure and a shear-loaded parallel circular hole soft steel plate laminated rubber 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.
[0029] Figure 2 This is a structural diagram of a shear-loaded parallel circular hole soft steel plate laminated with rubber for energy dissipation and vibration reduction.
[0030] Figure 3 These are diagrams of a dog-bone hole soft steel plate construction with a mixed skin structure. (a) shows the parallel round hole soft steel plate construction; (b) shows the skin-covered dog-bone hole soft steel plate construction. Detailed Implementation
[0031] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0032] like Figure 1-3 As shown, a shear-loaded parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping device is assembled with a steel frame-support structure using high-strength bolts. The steel frame-support structure 1 consists of: H-shaped steel columns 2, H-shaped steel beams 3, H-shaped steel herringbone supports 4, and connecting end steel plates 5 welded to the upper intersection area of the supports; the shear-loaded parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping structure 6 consists of: an upper connecting steel plate with circular holes 7, a lower connecting steel plate 8, soft steel plates with dog-bone holes on the left and right sides for sealing 9, shear-loaded parallel circular hole soft steel plates 10, front and rear sealing soft steel plates 11, and vulcanized laminated rubber 12; the high-strength bolt connection system consists of: H-shaped steel beam-column frame assembly, H-shaped steel herringbone support assembly, and high-strength bolts 13 for assembling the steel frame-support structure and the shear-loaded parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping device.
[0033] The steel frame-support structure 1, H-shaped steel columns 2, and upper and lower 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 H-shaped steel beam 3 using high-strength bolts 13. The H-shaped steel columns 2 and H-shaped steel beams 3 are made of welded or rolled H-shaped steel. The bottom of the H-shaped steel columns 2 is welded with a base plate and stiffening ribs, and the base plate is connected to pre-embedded bolts in the foundation to form the column base. Rectangular end plates are welded to the ends of the H-shaped steel beams 3, with bolt holes corresponding to the bolt holes on the H-shaped steel columns 2, and connected using high-strength bolts. The thickness of the rectangular end plates welded to the ends of the 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 13; the horizontal angle between the H-beam herringbone support 4 and the steel frame H-beam 3 is 45°~60°.
[0034] 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. 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 soft steel plate 9 with a sealed skin-like hole. The upper connecting steel plate 7 with perforated holes has pre-reserved perforations. Molten vulcanized rubber is poured into the cavities of the multi-cavity steel component between the welded shear-parallel perforated soft steel plates 10, and after cooling, it forms a vulcanized laminated rubber 12. After cooling, the vulcanized rubber is integrally formed with the multi-cavity steel component to form the shear-parallel perforated soft steel plate laminated rubber energy dissipation and vibration reduction structure 6.
[0035] 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 a vulcanized rubber injection hole on the upper part of each cavity formed by the shear parallel round hole soft steel plate 10. The diameter of the vulcanized rubber injection hole 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.
[0036] 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 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.
[0037] The soft steel plates 9 for sealing the dog bone holes on the left and right sides are rectangular soft thin steel plates with the same perimeter size as the soft steel plates for the dog bone holes. After the outer side of the rectangular soft thin steel plates is covered with skin, they are welded to the left and right ends of the upper connecting steel plate with round holes 7 and the lower connecting steel plate 8.
[0038] The shear-resisting parallel circular hole mild steel plate 10 is a set of parallel, nearly equal-strength, shear-yielding mild steel plates with circular holes. These plates are formed by punching out the distributed circular holes from rectangular mild steel plates. The thickness of the circular hole mild steel plate is determined based on the stress and energy dissipation requirements. Under a major earthquake, the shear-resisting parallel circular hole mild steel plate 10, welded between the upper and lower connecting steel plates, dissipates seismic energy through shear yielding deformation.
[0039] The sealing soft steel plate 11 is a rectangular soft steel plate, forming several cavities with the sealing skin dog bone hole soft steel plate 9 and the shear-loaded parallel circular hole soft steel plate 10. The sealing soft steel plate 11 mainly undergoes shear deformation. Under minor or moderate earthquakes, it plays a role in controlling inter-story displacement by exerting high shear stiffness. Under major earthquakes, it dissipates seismic energy through buckling deformation.
[0040] The vulcanized laminated rubber 12 is a vulcanized rubber with high elasticity, high heat resistance, high tensile strength, high wear resistance, and high corrosion resistance produced by hot vulcanization. It is poured into the cavity between the shear parallel hole soft steel plates 10 through the round holes on the upper connecting steel plate 7 in a hot-molten state. The vulcanized rubber in the hot-molten state flows through the round holes on the adjacent shear parallel hole soft steel plates 10. After natural cooling, the vulcanized laminated rubber 12 is vulcanized. The rubber that runs through the shear parallel hole soft steel plates deforms together with the soft steel plates and provides restoring force, which can effectively improve the energy dissipation and vibration reduction effect and seismic toughness of the device.
[0041] High-strength bolts 13 are used for the following connections: forming connection of steel frame-support structure 1, where the end plate of steel frame H-beam 3 is provided and assembled with steel frame H-beam column 2 with bolt holes using high-strength bolts 13 to form steel frame; connecting end steel plate 5 formed by welding H-beam herringbone support 4 to the upper flange of steel frame H-beam 3 formed by welding the connecting end steel plate 5 to the upper end intersection area of support; connecting upper connecting steel plate 7 with round hole of shear parallel round hole soft steel plate laminated rubber energy dissipation and damping structure 6 to lower flange of steel frame H-beam 3 using high-strength bolts 13; connecting lower connecting steel plate 8 of shear parallel round hole soft steel plate laminated rubber energy dissipation and damping structure 6 to connecting end steel plate 5 of upper end intersection area of H-beam herringbone support 4 using high-strength bolts 13.
[0042] Material characteristics: The left and right side sealing mesh dog bone hole soft steel plates 9, shear-resistant parallel round hole soft steel plates 10, and front and rear sealing soft steel plates 11 are made of Q235 steel; the steel frame-support structure 1, the connecting end steel plates 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; the vulcanized laminated rubber 12 has a shear modulus of... G =0.4~0.6MPa rubber; high-strength bolts 13 with a strength grade not lower than S8.8.
[0043] Step 1: Fabricate the steel frame-support structure 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.
[0044] Step 2: Processing the mild steel sheet. Cut and shape the mild steel sheet before and after sealing; use a stamping process to punch out distributed round holes on the mild steel sheet base material to form a round hole mild steel sheet; use a stamping process to punch out dog bone hole mild steel sheets on the mild steel sheet base material to form a dog bone hole mild steel sheet; then weld rectangular thin mild steel sheets of the same perimeter size onto the dog bone hole mild steel sheet to form a skin dog bone hole mild steel sheet.
[0045] Step 3: Prepare the steel components for the energy dissipation and vibration reduction device. First, weld the shear-resistant parallel circular hole soft steel plates to the corresponding positions of the upper connecting plate with the circular hole and the lower connecting plate. Then, weld the soft steel plates with the dog bone holes on the left and right sides of the sealing skin. After that, weld the front and rear sealing soft steel plates and weld the front and rear sealing soft steel plates to the soft steel plates with the dog bone holes on the left and right sides of the sealing skin.
[0046] Step 4: Fabrication of the shear-loaded parallel circular hole soft steel plate laminated rubber 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 circular hole soft steel plates through the circular holes on the upper connecting plate. The molten vulcanized rubber flows and connects through the holes in adjacent shear-loaded parallel circular hole soft steel plates, and after natural cooling, the shear-loaded parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping device is formed.
[0047] Step 5: Assemble the steel frame. First, use high-strength bolts to connect and fix the bottom connecting plate of the H-shaped steel column of the steel frame to the foundation; then, use high-strength bolts to connect the end plate of the H-shaped steel beam of the steel frame to the H-shaped steel column of the steel frame.
[0048] 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 steel plate at the intersection of the upper ends of the H-beam herringbone supports, to the upper flange of the steel frame H-beam.
[0049] Step 7: Assemble the shear-loaded parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping device. Use high-strength bolts to connect the upper connecting steel plate with circular holes of the energy dissipation and vibration damping device to the bolt holes of the lower flange of the H-beam of the steel frame. Then, use high-strength bolts to connect the lower connecting steel plate of the energy dissipation and vibration damping device to the bolt holes of the upper connecting end plate welded to the upper area of the H-beam herringbone support. Example
[0050] 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 energy dissipation and vibration reduction device.
[0051] The construction process of a shear-parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping 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, and punches the soft steel plates with circular holes; S3 The factory processes other steel components of the energy dissipation and vibration damping device; S4 After welding the shear-parallel circular hole soft steel plates at corresponding positions on the upper connecting steel plate with circular holes and the lower connecting steel plate, the soft steel plates with dog-bone holes on the left and right sides are welded, followed by the welding of the front and rear sealing soft steel plates, and finally the soft steel plates with dog-bone holes on the left and right sides and the front and rear sealing soft steel plates are welded together; S5 Vulcanized rubber is prepared by hot vulcanization, and the hot-molten vulcanized rubber is poured into the cavity of the steel components of the energy dissipation and vibration damping device, and after natural cooling, the shear-parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping device is formed.
[0052] 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 shear-loaded parallel circular hole soft steel plate laminated rubber energy dissipation and vibration reduction device.
[0053] 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 energy dissipation and vibration damping device, characterized in that: The structure includes a steel frame-support structure (1) and a shear-parallel circular hole soft steel plate laminated rubber energy dissipation and vibration reduction structure (6) installed in the steel frame-support structure (1); the shear-parallel circular hole soft steel plate laminated rubber 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 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), soft steel plates with sealing dog bone holes on the left and right sides (9), a shear-parallel circular hole soft steel plate (10), and front and rear sealing soft steel plates (11), and vulcanized laminated rubber (12) injected into the cavity of the multi-cavity steel member. The steel frame-support structure (1), steel structure H-shaped steel columns (2), and 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 steel plate component at the end of the connection and connected to the upper flange of the lower steel frame H-shaped steel beam (3) by high-strength bolts (13). The bottom of the steel frame H-shaped steel column (2) is welded to the bottom plate and stiffening ribs. The bottom 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 beam (3) are welded to rectangular end plates with bolt holes. The bolt holes on the rectangular end plates correspond to the bolt holes on the steel frame H-shaped steel column (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 (13).
2. The shear-loaded parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping device 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 shear-loaded parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping device 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 laminated rubber on parallel circular hole soft steel plates as described in claim 1, characterized in that: 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, and their upper and lower ends are welded to the upper connecting steel plate with perforated holes (7) and the lower connecting steel plate (8) respectively. The left and right sides are welded to the sealing soft steel plates (11) 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 perforated holes (7) is provided with a reserved perforated hole. Molten vulcanized rubber is poured into the cavity of the multi-cavity steel component between the welded shear-parallel perforated soft steel plates (10), and after cooling, vulcanized laminated rubber (12) is formed. After cooling, the vulcanized rubber is integrally formed with the multi-cavity steel component to form the shear-parallel perforated soft steel plate laminated rubber energy dissipation and vibration reduction structure (6).
5. The energy dissipation and vibration damping device of laminated rubber on parallel circular hole soft steel plates as described in 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 on the lower flange of the steel frame H-beam (3). The upper connecting steel plate with round holes (7) has a vulcanized rubber injection hole on the upper part of each cavity formed by the shear parallel round hole soft steel plate (10). 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 shear-loaded parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping device 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 energy dissipation and vibration reduction structure (6), and its size is the same as that of the upper connecting steel plate with round holes (7).
7. The energy dissipation and vibration damping device of laminated rubber on parallel circular hole soft steel plates as described in claim 1, characterized in that: The left and right sides sealing the soft steel plate (9) with the dog bone hole are rectangular soft thin steel plates with the same perimeter size as the dog bone hole soft steel plate. 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).
8. The shear-loaded parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping device according to claim 1, characterized in that: The shear-resisting parallel circular hole mild steel plate (10) is a set of parallel cross-sections with near-equal strength shear yield deformation circular hole mild steel plates, which are formed by punching out the distributed circles from rectangular mild steel plates.
9. The shear-loaded parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping device according to claim 1, characterized in that: The sealing soft steel plate (11) is a rectangular soft steel plate, which forms several cavities with the sealing skin dog bone hole soft steel plate (9) and the shear parallel round hole soft steel plate (10).
10. The shear-loaded parallel circular hole soft steel plate laminated rubber energy dissipation and vibration damping device according to claim 1, characterized in that: The left and right side sealing mesh dog bone hole soft steel plates (9), shear-resistant parallel round hole soft steel plates (10), and front and rear sealing soft steel plates (11) are made of Q235 steel; the steel frame-support structure (1), the connecting end steel plates (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; the vulcanized laminated rubber (12) has a shear modulus of G =0.4~0.6MPa rubber; high-strength bolts (13) with a strength grade not lower than S8.8.