CN103485278A - Sliding isolation bearing - Google Patents
Sliding isolation bearing Download PDFInfo
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- CN103485278A CN103485278A CN201310442138.2A CN201310442138A CN103485278A CN 103485278 A CN103485278 A CN 103485278A CN 201310442138 A CN201310442138 A CN 201310442138A CN 103485278 A CN103485278 A CN 103485278A
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- upper bracket
- bracket plate
- sliding
- undersetting
- bed course
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Abstract
This invention relates to a sliding isolation bearing for buildings, bridges and other structures. The sliding isolation bearing comprises an upper bearing plate and a lower bearing slot that are oppositely arranged, a sliding cushion between the upper bearing plate and the lower bearing slot, a flexible cushion between the upper bearing plate and inner wall of lower bearing slot, and an anchor, wherein the upper part of the upper bearing plate is connected with the structure, the lower part is embedded in the lower bearing slot, the flexible cushion is evenly arranged around the periphery of the inner wall of the lower bearing slot, and the height of the inner wall of the lower bearing slot is higher than that of the upper bearing plate, thereby the inner wall of the higher part is equipped with a stop block which can prevent the structure from overturning, the sliding pad is laid on the inner part of the lower bearing slot, and the anchor is connected to separately bearing plate and the lower bearing slot securely through the sliding pad. The sliding isolation bearing has the advantages of simple and compact structure, convenient construction and replacement, good anti-pullout capacity, outstanding anti-shock effect, wide range of application.
Description
Technical field
The present invention is mainly concerned with the structure stand apparatus such as building, bridge, refers in particular to a kind of sliding isolation device.
Background technology
Bring into play due function in order to ensure lifeline engineering such as building and bridges in earthquake, reduce earthquake disaster, traditional Seismic Design Thought is with " no damage in small earthquake, middle shake can be repaiied, no collapsing with strong earthquake " three levels for the target of setting up defences, and engineering structures relies on the distortion of structure to absorb and earthquake energy.When structure suffers from middle or small earthquake intensity earthquake, it is feasible relying on structure and structural element to absorb also earthquake energy.Yet, when structure suffer from violent earthquake or especially big rarely occurred earthquake, rely on structure and member thereof to be difficult to absorb and consume huge seismic energy fully.Therefore, although adopted strict design, still can't guarantee the safety of structure when running into over the violent earthquake of Specification Design requirement or special violent earthquake, so the engineering damping hierarchy of control, the engineering structures damping is controlled and is comprised Passive Control, ACTIVE CONTROL and mix to control and grow up.The important branch that seismic isolation technology is controlled as the engineering structures damping, do not need external energy, safe, economical, has been subject to the extensive concern of engineering and academia, and at home and abroad has been widely used in the engineering structures antidetonations such as building, bridge.The shock isolating pedestal performance has determined isolating affection and the anti-seismic performance of system, thereby develops high performance vibration absorption and isolation support and become the key issue in the seismic isolation technology.
In general; the cardinal principle of structures isolation effect is by between superstructure and ground, Seismic Isolation of Isolation Layer being set, and has extended the cycle of total system, and make the distortion mainly concentrate on Seismic Isolation of Isolation Layer within; thereby the protection superstructure, the seismic load that it is subject to reduces greatly.Existing most of earthquake isolating equipment, the anti-pulling ability a little less than, or involve great expense, be difficult to promote the use of.
Summary of the invention
The problem to be solved in the present invention is: the technical problem existed for prior art the invention provides a kind of simple and compact for structure, with low cost, easy construction, the anti-pulling performance is good, anti seismic efficiency is good, applied widely sliding isolation bearing.
For solving the problems of the technologies described above, the solution that the present invention proposes: a kind of sliding isolation bearing, comprise the upper bracket plate be oppositely arranged, the undersetting groove, slip bed course between upper bracket plate and undersetting groove, flexible cushion and anchoring piece between upper bracket plate and undersetting groove inwall, the top of described upper bracket plate is connected with structure, bottom is embedded into undersetting groove inside, the inwall surrounding of described undersetting groove has been evenly arranged flexible cushion, the height of undersetting groove inwall will be higher than the height of upper bracket plate, the inwall of the raised area is provided with stopping means can prevent toppling of structure, described slip bed course is layered on the inside of undersetting groove, the slip bed course is bitumen sand cushion, the asphalt macadam bed course, hardcore bed or sand cushion, described anchoring piece is fastenedly connected with upper bracket plate and undersetting groove respectively through after the slip bed course.
Described stopping means is reinforcing bar, steel nail or bolt.
Described anchoring piece is reinforcing bar, steel wire or steel strand.
Compared with prior art, the invention has the advantages that:
1, sliding isolation bearing of the present invention, by the slip bed course friction dissipation seismic energy of upper bracket plate and undersetting groove inside.Because traditional basis is all integral cast-in-situs, its anti-side rigidity is larger, when coming earthquake, geological process is directly passed to the structure on top by basis, do not decayed, even be exaggerated, can not bring into play the Beneficial Effect of ground to structure, and the sliding isolation bearing that the present invention takes, under geological process, translation occurs in the upper bracket plate on the slip bed course, and, within the horizontal changing of the relative positions mainly concentrates on the sliding isolation layer, the top structure are just done as a whole and the very little changing of the relative positions are occurred, greatly reduced the internal force that the top-out structure is subject to,
2, sliding isolation bearing of the present invention, be provided with flexible cushion at the inwall of undersetting groove, when coming earthquake, can play the effect of buffering, prevents that upper bracket plate and undersetting groove inwall impact are excessive and the destruction that occurs;
3, sliding isolation bearing of the present invention is provided with uniformly stopping means on the inwall that exceeds the upper bracket plate of undersetting groove, has greatly improved the resistance to capsizing of top structure;
4, a kind of sliding isolation bearing of the present invention, anchoring piece is comprised of reinforcing bar, steel wire or steel strand, and its resistance to tension is better, can be good at improving the reset capability of shock isolating pedestal;
5, the equal common building materials of a kind of sliding isolation bearing of the present invention, very easily obtain, cheap, repairs after shake and change easily;
6, the present invention can be applicable to different structure base forms, such as strip foundation under wall, and cushion cap etc. under post, purposes is comparatively extensive.
The accompanying drawing explanation
Fig. 1 is the axle geodesic structure schematic diagram of the invention process example;
Fig. 2 is the sectional structure schematic diagram of the invention process example.
Marginal data
1, upper bracket plate 2, undersetting groove 3, anchoring piece 4, structure 5, flexible cushion 6, stopping means
7, slip bed course 8, anchor hole 9, spacing hole
The specific embodiment
Below with reference to accompanying drawing and concrete embodiment, the present invention is described in further details.
Embodiment: this embodiment be take and is applied to independent foundation under column as example, shown in Fig. 1 and Fig. 2, a kind of sliding isolation bearing of the present invention, it comprises upper bracket plate 1 and undersetting groove 2 and the anchoring piece 3 be oppositely arranged, the top of upper bracket plate 1 is used for being connected with top-out structure pillar 4.Below is embedded into undersetting groove 2 inside, the inwall surrounding of undersetting groove 2 has been evenly arranged flexible cushion 5, the height of the inwall of undersetting groove 2 will be higher than the height of upper bracket plate 1, the inwall of the raised area is arranged stopping means 6 uniformly, the inside of undersetting groove 2 is covered with slip bed course 7, and anchoring piece 3 is fastenedly connected with upper bracket plate 1 and undersetting groove 2 respectively through slip bed course 7 is rear; Upper bracket plate 1 and undersetting groove 2 are the ordinary steel member, and they and anchoring piece 3 are combined into the outside framework of whole stand apparatus; Slip bed course 7 can adopt bitumen sand cushion, asphalt macadam bed course, stone sand bed course, sand cushion, hardcore bed etc.; Stopping means 6 can adopt reinforcing bar, steel nail and bolt etc.; Anchoring piece 3 adopts reinforcing bar, steel wire and steel strand etc.During construction, first excavation pit, embedding undersetting groove 2, pass through structure glue bonding flexible cushion 5 in the surrounding of undersetting groove 2, then spread slip bed course 7, in the bottom of pillar 4, implant reinforcing bar, on upper bracket plate 1, the implantation reinforcing bar of reserving hole and pillar 4 is anchored, then lift upper bracket plate 1 and put into undersetting groove 2, finally at the inwall of the raised area, arrange stopping means 6, the top-out of can constructing after the sliding isolation bearing completes by the mode of welding or anchor uniformly.
These are only the embodiment of the present invention under opening one's minds, but protection scope of the present invention is not limited to above-mentioned embodiment.
Claims (3)
1. a sliding isolation bearing, comprise the upper bracket plate (1) be oppositely arranged, undersetting groove (2), slip bed course (7) between upper bracket plate (1) and undersetting groove (2), flexible cushion (5) and anchoring piece (3) between upper bracket plate (1) and undersetting groove (2) inwall, it is characterized in that: the top of described upper bracket plate (1) is connected with structure (4), bottom is embedded into undersetting groove (2) inside, the inwall surrounding of described undersetting groove (2) has been evenly arranged flexible cushion (5), the height of the inwall of undersetting groove (2) will be higher than the height of upper bracket plate (1), the inwall of the raised area is provided with stopping means (6), described slip bed course (7) is layered on the inside of undersetting groove (2), slip bed course (7) is bitumen sand cushion, the asphalt macadam bed course, hardcore bed, or sand cushion, described anchoring piece (3) is fastenedly connected with upper bracket plate (1) and undersetting groove (2) respectively through after slip bed course (7).
2. sliding isolation bearing according to claim 1, it is characterized in that: described stopping means (6) is reinforcing bar, steel nail or bolt.
3. sliding isolation bearing according to claim 1, it is characterized in that: described anchoring piece (3) is reinforcing bar, steel wire or steel strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310442138.2A CN103485278A (en) | 2013-09-26 | 2013-09-26 | Sliding isolation bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310442138.2A CN103485278A (en) | 2013-09-26 | 2013-09-26 | Sliding isolation bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103485278A true CN103485278A (en) | 2014-01-01 |
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ID=49825833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310442138.2A Pending CN103485278A (en) | 2013-09-26 | 2013-09-26 | Sliding isolation bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN103485278A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350652A (en) * | 2015-12-02 | 2016-02-24 | 金博(上海)建工集团有限公司 | Steel structure support capable of sliding in plane |
| CN106121076A (en) * | 2016-06-24 | 2016-11-16 | 马鞍山市秋枫工程塑料异型材料制造有限责任公司 | A kind of skyscraper shock-damping structure and method of construction thereof |
| CN113062209A (en) * | 2021-03-29 | 2021-07-02 | 江南大学 | Prestressing force buffering power consumption bridge vibration isolation support |
| CN114059683A (en) * | 2021-12-22 | 2022-02-18 | 中国建筑第八工程局有限公司 | Replaceable shock isolation device and replacement method thereof |
| CN114753695A (en) * | 2022-04-11 | 2022-07-15 | 上海建工一建集团有限公司 | Sliding damping support for in-situ replacement of existing factory building roof truss and construction method |
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| JP2000304089A (en) * | 1999-04-21 | 2000-10-31 | Nippon Steel Corp | Falling preventive device for building and slip-out preventive device for laminate rubber isolator |
| JP2003056202A (en) * | 2001-08-10 | 2003-02-26 | Kawaguchi Metal Industries Co Ltd | Base isolation sliding support |
| CN2579990Y (en) * | 2002-08-06 | 2003-10-15 | 杨洪 | Position limiter of building vibration isolation device |
| CN201593164U (en) * | 2010-01-28 | 2010-09-29 | 成都市新筑路桥机械股份有限公司 | Shock absorption and isolation support for bridges |
| CN201746789U (en) * | 2010-08-26 | 2011-02-16 | 北京道从交通科技有限公司 | Pull type guardrail stand column |
| CN102155048A (en) * | 2011-02-22 | 2011-08-17 | 卫龙武 | Mirror surface skidding and earthquake isolating support saddle for building |
| CN202117080U (en) * | 2011-06-23 | 2012-01-18 | 昆明有色冶金设计研究院股份公司 | Anticorrosive insulating building foundation |
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2013
- 2013-09-26 CN CN201310442138.2A patent/CN103485278A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000304089A (en) * | 1999-04-21 | 2000-10-31 | Nippon Steel Corp | Falling preventive device for building and slip-out preventive device for laminate rubber isolator |
| JP2003056202A (en) * | 2001-08-10 | 2003-02-26 | Kawaguchi Metal Industries Co Ltd | Base isolation sliding support |
| CN2579990Y (en) * | 2002-08-06 | 2003-10-15 | 杨洪 | Position limiter of building vibration isolation device |
| CN201593164U (en) * | 2010-01-28 | 2010-09-29 | 成都市新筑路桥机械股份有限公司 | Shock absorption and isolation support for bridges |
| CN201746789U (en) * | 2010-08-26 | 2011-02-16 | 北京道从交通科技有限公司 | Pull type guardrail stand column |
| CN102155048A (en) * | 2011-02-22 | 2011-08-17 | 卫龙武 | Mirror surface skidding and earthquake isolating support saddle for building |
| CN202117080U (en) * | 2011-06-23 | 2012-01-18 | 昆明有色冶金设计研究院股份公司 | Anticorrosive insulating building foundation |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350652A (en) * | 2015-12-02 | 2016-02-24 | 金博(上海)建工集团有限公司 | Steel structure support capable of sliding in plane |
| CN105350652B (en) * | 2015-12-02 | 2018-06-01 | 金博(上海)建工集团有限公司 | Slip steel structure support seat in a kind of plane |
| CN106121076A (en) * | 2016-06-24 | 2016-11-16 | 马鞍山市秋枫工程塑料异型材料制造有限责任公司 | A kind of skyscraper shock-damping structure and method of construction thereof |
| CN113062209A (en) * | 2021-03-29 | 2021-07-02 | 江南大学 | Prestressing force buffering power consumption bridge vibration isolation support |
| CN113062209B (en) * | 2021-03-29 | 2022-03-15 | 江南大学 | Prestressing force buffering power consumption bridge vibration isolation support |
| CN114059683A (en) * | 2021-12-22 | 2022-02-18 | 中国建筑第八工程局有限公司 | Replaceable shock isolation device and replacement method thereof |
| CN114753695A (en) * | 2022-04-11 | 2022-07-15 | 上海建工一建集团有限公司 | Sliding damping support for in-situ replacement of existing factory building roof truss and construction method |
| CN114753695B (en) * | 2022-04-11 | 2024-02-13 | 上海建工一建集团有限公司 | Sliding shock-absorbing support for in-situ replacement of existing factory building roof truss and construction method |
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Application publication date: 20140101 |