CN111395568A - Replaceable shape memory alloy composite shock insulation support - Google Patents
Replaceable shape memory alloy composite shock insulation support Download PDFInfo
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- CN111395568A CN111395568A CN202010337666.1A CN202010337666A CN111395568A CN 111395568 A CN111395568 A CN 111395568A CN 202010337666 A CN202010337666 A CN 202010337666A CN 111395568 A CN111395568 A CN 111395568A
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- connecting plate
- shape memory
- memory alloy
- stranded wire
- support
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Springs (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a replaceable shape memory alloy composite shock insulation support which comprises an upper connecting plate, a lower connecting plate, a laminated rubber support and a shape memory alloy stranded wire, namely an SMA stranded wire, wherein the upper connecting plate and the lower connecting plate are respectively fixed with the upper surface and the lower surface of the laminated rubber support through fixing bolts; high-strength nuts are welded on the inner sides of the upper connecting plate and the lower connecting plate on the front side and the rear side of the laminated rubber support along the longitudinal direction, and the shape memory alloy stranded wire sequentially penetrates through the high-strength nuts on the upper connecting plate and the lower connecting plate and then is fixed, so that the shape memory alloy stranded wire forms an M shape. The shape memory alloy stranded wire has higher energy consumption capability and self-resetting capability, and can effectively control the residual deformation of the support and the structure after the earthquake; compared with the traditional rubber support, the tensile strength is obviously improved, the large vertical deformation can be resisted, and the installation and the disassembly are convenient.
Description
Technical Field
The invention belongs to the technical field of building and civil engineering, and particularly relates to a replaceable shape memory alloy composite shock insulation support.
Background
Earthquake is a natural phenomenon, which can cause serious extrusion, shearing and stretching damage of wall structures of high-rise buildings and shear walls, and is difficult to repair after earthquake. Therefore, the bottom and the foot of the wall structure of the high-rise building and the shear wall can reduce the influence caused by the earthquake by installing the shock insulation support. However, the traditional shock insulation support adopts a rubber support, has certain limitation, small damping, small energy consumption capability and low tensile strength, and is easy to destabilize under large deformation displacement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a replaceable shape memory alloy composite shock insulation support.
A replaceable shape memory alloy composite shock insulation support comprises an upper connecting plate, a lower connecting plate, a laminated rubber support and a shape memory alloy stranded wire, namely an SMA stranded wire, wherein the upper connecting plate and the lower connecting plate are respectively fixed with the upper surface and the lower surface of the laminated rubber support through fixing bolts; high-strength nuts are welded on the inner sides of the upper connecting plate and the lower connecting plate on the front side and the rear side of the laminated rubber support along the longitudinal direction, and the shape memory alloy stranded wire sequentially penetrates through the high-strength nuts on the upper connecting plate and the lower connecting plate and then is fixed, so that the shape memory alloy stranded wire forms an M shape.
The laminated rubber support is a shock insulation rubber support wrapped by a rubber protection layer, an inner sealing plate, an inner steel plate and an inner rubber layer are arranged in parallel with the upper connecting plate and the lower connecting plate, the inner steel plate and the inner rubber layer are arranged at intervals, two ends of the inner steel plate and the inner rubber layer are sealed in the inner sealing plate, and the inner sealing plate, the inner steel plate and the inner rubber are connected through vulcanization; the inner sealing plate is provided with a threaded hole for connecting and fixing the upper connecting plate and the lower connecting plate.
The dosage size of the shape memory alloy stranded wire is determined by the shape memory wire according to the stress capability and the actual condition of the building wall component and is twisted according to the national steel stranded wire twisting standard.
The diameter of the high-strength nut is larger than that of the shape memory alloy stranded wire.
The memory alloy stranded wire of the support is parallel to the outer surface of the building wall.
The invention has the beneficial effects that:
1. the support uses the shape memory alloy stranded wire, can fully exert the super-elastic performance to consume the energy generated by earthquake and has larger restoring force, has higher energy consumption capability and self-resetting capability compared with the traditional rubber support, and can effectively control the residual deformation of the support and the structure after the earthquake; the shape memory alloy stranded wire and the laminated rubber support act together to achieve the purpose of composite shock insulation;
2. the use of the shape memory alloy stranded wire enables the horizontal deformation resistance of the support to be stronger and the support not to generate large deformation in the working stage; compared with the traditional rubber support, the tensile capacity is obviously improved, and the rubber support can resist larger vertical deformation;
3. according to the invention, the shape memory alloy stranded wires with different diameters can be adopted according to different working conditions, and the installation and the disassembly are convenient, so that the stability and the safety of a building structure and a wall body can be protected, the utilization rate of the building structure and the wall body structure is improved, and the repair difficulty after an earthquake is greatly reduced;
4. the shape memory alloy stranded wires are symmetrically distributed on the front side and the rear side of the laminated rubber support, so that the tensile capacity and the shear resistance of the support are improved, and the problem of contact friction between the shape memory alloy stranded wires and the support when the shape memory alloy stranded wires are arranged on the left side and the right side of the laminated rubber support and generate large horizontal deformation is solved.
5. The replaceable shape memory alloy composite rubber support greatly improves the utilization rate of building structures, wall structures and supports.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a cross-sectional view of FIG. 2;
wherein the content of the first and second substances,
1-upper connecting plate, 2-lower connecting plate, 3-inner sealing plate, 4-connecting bolt hole, 5-inner steel plate, 6-inner rubber layer, 7-shape memory alloy stranded wire, 8-high-strength nut, 9-laminated rubber support and 10-fixing bolt hole.
Detailed Description
For better understanding of the present invention, the technical solutions and effects of the present invention will be described in detail by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1-4, a replaceable shape memory alloy composite vibration isolation support comprises an upper connecting plate 1, a lower connecting plate 2, a laminated rubber support 9 and a shape memory alloy stranded wire 7, namely an SMA stranded wire, wherein fixing bolt holes 10 are formed in the upper connecting plate 1 and the lower connecting plate 2 and are respectively fixed with the upper surface and the lower surface of the laminated rubber support 9 through fixing bolts; the four corners of the upper connecting plate 1 and the lower connecting plate 2 are provided with connecting bolt holes 4, and the non-connecting surface of the laminated rubber support 9 is connected with the building structure wall body through bolts. High-strength nuts 8 are welded on the inner sides of the upper connecting plate 1 and the lower connecting plate 2 on the front side and the rear side of the laminated rubber support 9 along the longitudinal direction and used for inserting the shape memory alloy stranded wires 7, and the shape memory alloy stranded wires 7 sequentially penetrate through the high-strength nuts 8 on the upper connecting plate 1 and the lower connecting plate 2 and then are fixed, so that the shape memory alloy stranded wires 7 form an M shape; when the support is stretched and horizontally deformed, the shape memory alloy stranded wire 7 can be deformed, and the superelasticity and energy consumption capacity of the shape memory alloy are fully exerted, so that the shock absorption and shock resistance effects are achieved; and the shape memory alloy stranded wire 7 can exert great energy consumption capacity through superelasticity and can also provide a certain self-resetting capacity for the support through the generated great restoring force. The high-strength nuts 8 are symmetrically distributed on two sides of the laminated rubber support 9.
The laminated rubber support 9 is a shock insulation rubber support 9 wrapped by a rubber protection layer, an inner sealing plate 3, an inner steel plate 5 and an inner rubber layer 6 are arranged in parallel with the upper connecting plate 1 and the lower connecting plate 2, the inner steel plate 5 and the inner rubber layer 6 are arranged at intervals, two ends of the inner sealing plate 3 are sealed in the inner sealing plate 3, and the inner sealing plate 3, the inner steel plate 5 and the inner rubber are connected through vulcanization; the inner sealing plate 3 is provided with a threaded hole for connecting and fixing the upper connecting plate 1 and the lower connecting plate 2.
The dosage size of the shape memory alloy stranded wire 7 is determined by shape memory wires according to the stress capability and the actual condition of the building wall body member and is twisted according to the national steel stranded wire twisting standard.
The diameter of the high-strength nut 8 is larger than that of the shape memory alloy stranded wire 7.
The use method of the replaceable shape memory alloy composite vibration isolation support comprises the following steps:
connecting the support with the wall body by using bolts, and ensuring that the shape memory alloy stranded wire 7 is parallel to the outer surface of the building wall body in the process; when an earthquake comes, the safety of the wall and objects is protected, the safety of the main structure body is protected, and the structural stability of the wall is improved. After the earthquake, the bolt between the support and the wall body is unscrewed, the damaged support or the shape memory alloy stranded wire 7 is replaced, and a new support or shape memory alloy stranded wire 7 is replaced for reuse.
Claims (5)
1. A replaceable shape memory alloy composite shock insulation support is characterized in that: the device comprises an upper connecting plate, a lower connecting plate, a laminated rubber support and a shape memory alloy stranded wire, namely an SMA stranded wire, wherein the upper connecting plate and the lower connecting plate are respectively fixed with the upper surface and the lower surface of the laminated rubber support through fixing bolts; high-strength nuts are welded on the inner sides of the upper connecting plate and the lower connecting plate on the front side and the rear side of the laminated rubber support along the longitudinal direction, and the shape memory alloy stranded wire sequentially penetrates through the high-strength nuts on the upper connecting plate and the lower connecting plate and then is fixed, so that the shape memory alloy stranded wire forms an M shape.
2. The replaceable shape memory alloy composite seismic isolation bearing of claim 1, wherein: the laminated rubber support is a shock insulation rubber support wrapped by a rubber protection layer, an inner sealing plate, an inner steel plate and an inner rubber layer are arranged in parallel with the upper connecting plate and the lower connecting plate, the inner steel plate and the inner rubber layer are arranged at intervals, two ends of the inner steel plate and the inner rubber layer are sealed in the inner sealing plate, and the inner sealing plate, the inner steel plate and the inner rubber are connected through vulcanization; the inner sealing plate is provided with a threaded hole for connecting and fixing the upper connecting plate and the lower connecting plate.
3. The replaceable shape memory alloy composite seismic isolation bearing of claim 1, wherein: the dosage size of the shape memory alloy stranded wire is determined by the shape memory wire according to the stress capability and the actual condition of the building wall component and is twisted according to the national steel stranded wire twisting standard.
4. The replaceable shape memory alloy composite seismic isolation bearing of claim 1, wherein: the diameter of the high-strength nut is larger than that of the shape memory alloy stranded wire.
5. The replaceable shape memory alloy composite seismic isolation bearing of claim 1, wherein: the memory alloy stranded wire of the support is parallel to the outer surface of the building wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010337666.1A CN111395568A (en) | 2020-04-26 | 2020-04-26 | Replaceable shape memory alloy composite shock insulation support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010337666.1A CN111395568A (en) | 2020-04-26 | 2020-04-26 | Replaceable shape memory alloy composite shock insulation support |
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| Publication Number | Publication Date |
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| CN111395568A true CN111395568A (en) | 2020-07-10 |
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| CN202010337666.1A Pending CN111395568A (en) | 2020-04-26 | 2020-04-26 | Replaceable shape memory alloy composite shock insulation support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152730A (en) * | 2021-03-11 | 2021-07-23 | 广州大学 | Assembled composite energy dissipation shear wall |
| CN116950238A (en) * | 2023-09-12 | 2023-10-27 | 广州大学 | Overload-resistant rigidity-variable thick-meat rubber vibration double-control support and design and installation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1088851A (en) * | 1996-09-10 | 1998-04-07 | Yokohama Rubber Co Ltd:The | Bearing device for vibration isolation |
| KR100731210B1 (en) * | 2005-01-19 | 2007-06-22 | 안숙희 | Earthquake Isolation Bearing for Bridges Using Shape Memory Alloy |
| CN104781575A (en) * | 2012-09-03 | 2015-07-15 | 奥依列斯工业株式会社 | Seismic base isolation device |
| CN104831622A (en) * | 2015-05-15 | 2015-08-12 | 东南大学 | Scattered shape memory alloy seismic reduction and isolation rubber support with automatic reset function |
| US20170204603A1 (en) * | 2016-01-19 | 2017-07-20 | Chong-Shien Tsai | Energy absorber |
| CN206681156U (en) * | 2017-03-23 | 2017-11-28 | 陕西永安减震科技有限公司 | A kind of elastic sliding bearing with marmem rope |
| CN110258844A (en) * | 2019-05-21 | 2019-09-20 | 同济大学 | Replaceable shear wall foot support based on marmem |
| CN209585290U (en) * | 2019-02-14 | 2019-11-05 | 中国能源建设集团辽宁电力勘测设计院有限公司 | A kind of laminated rubber bases |
-
2020
- 2020-04-26 CN CN202010337666.1A patent/CN111395568A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1088851A (en) * | 1996-09-10 | 1998-04-07 | Yokohama Rubber Co Ltd:The | Bearing device for vibration isolation |
| KR100731210B1 (en) * | 2005-01-19 | 2007-06-22 | 안숙희 | Earthquake Isolation Bearing for Bridges Using Shape Memory Alloy |
| CN104781575A (en) * | 2012-09-03 | 2015-07-15 | 奥依列斯工业株式会社 | Seismic base isolation device |
| CN104831622A (en) * | 2015-05-15 | 2015-08-12 | 东南大学 | Scattered shape memory alloy seismic reduction and isolation rubber support with automatic reset function |
| US20170204603A1 (en) * | 2016-01-19 | 2017-07-20 | Chong-Shien Tsai | Energy absorber |
| CN206681156U (en) * | 2017-03-23 | 2017-11-28 | 陕西永安减震科技有限公司 | A kind of elastic sliding bearing with marmem rope |
| CN209585290U (en) * | 2019-02-14 | 2019-11-05 | 中国能源建设集团辽宁电力勘测设计院有限公司 | A kind of laminated rubber bases |
| CN110258844A (en) * | 2019-05-21 | 2019-09-20 | 同济大学 | Replaceable shear wall foot support based on marmem |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152730A (en) * | 2021-03-11 | 2021-07-23 | 广州大学 | Assembled composite energy dissipation shear wall |
| CN116950238A (en) * | 2023-09-12 | 2023-10-27 | 广州大学 | Overload-resistant rigidity-variable thick-meat rubber vibration double-control support and design and installation method thereof |
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Application publication date: 20200710 |