CN213896733U - Bridge shock insulation foundation - Google Patents
Bridge shock insulation foundation Download PDFInfo
- Publication number
- CN213896733U CN213896733U CN202022919147.4U CN202022919147U CN213896733U CN 213896733 U CN213896733 U CN 213896733U CN 202022919147 U CN202022919147 U CN 202022919147U CN 213896733 U CN213896733 U CN 213896733U
- Authority
- CN
- China
- Prior art keywords
- steel plate
- shock insulation
- pile foundation
- insulation support
- cushion cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000035939 shock Effects 0.000 title claims abstract description 49
- 238000009413 insulation Methods 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 71
- 239000010959 steel Substances 0.000 claims abstract description 71
- 238000002955 isolation Methods 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 17
- 239000011241 protective layer Substances 0.000 description 6
- 239000004568 cement Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a bridge shock insulation basis, including pier cushion cap, pile foundation cushion cap, shock insulation support and embedded steel bar, the top fixed mounting of pier cushion cap has pile foundation cushion cap, run through the installation through the pile foundation post between pile foundation cushion cap, high damping rubber pad and the pier cushion cap, the top fixed mounting of pile foundation cushion cap has lower pre-buried steel sheet, shock insulation support's bottom has lower pre-buried steel sheet through connecting steel sheet fixed mounting down, be equipped with the shrouding between shock insulation support and the lower connecting steel sheet, shock insulation support's inside evenly distributed has the steel deck, and is equipped with the rubber layer between the steel deck, run through between steel deck and the rubber layer and install two sets of lead cores, shock insulation support's top is through last pre-buried steel sheet of connecting steel sheet fixed mounting, the top fixed mounting of going up pre-buried steel sheet has embedded steel bar. The utility model discloses a cooperation between high damping rubber pad and isolation bearing and the pile foundation post is used, has improved the shock insulation effect of bridge.
Description
Technical Field
The utility model relates to a bridge shock insulation technical field specifically is a bridge shock insulation basis.
Background
The earthquake is a natural disaster which can not be accurately predicted, the bridge is a life line project of traffic transportation, the earthquake resistance of the bridge is improved, the earthquake safety of the bridge can be ensured to directly influence the effects of earthquake relief and post-disaster reconstruction, the success or failure of an urban disaster prevention and reduction system is closely related, the earthquake isolation technology is to place the whole upper structure on an earthquake isolation layer with lower rigidity, the earthquake isolation layer has enough vertical rigidity and vertical bearing capacity, can stably support a building, separate a structure or a component from earthquake ground movement or support movement which can cause damage as far as possible, greatly reduce earthquake force and energy transmitted to the upper structure, and has enough flexible horizontal rigidity and enough large horizontal deformation capacity to ensure that the instability phenomenon can not occur under the action of strong earthquake, ensure that the upper structure is isolated from earthquake vibration, and reduce the reaction of the upper structure, thereby reach the purpose that protection superstructure and inside facility do not receive destruction, the shock insulation technique is as a safe, economic engineering structure shock attenuation control measure, and the wide application needs a bridge shock insulation basis in engineering structure seismic design such as bridge, building at home and abroad, but current bridge shock insulation basis has a lot of problems or defects:
at present, a pier-beam consolidation mode is largely adopted in the construction of a large-span bridge in China to reduce the use and maintenance of a large-tonnage support, and the existing shock insulation support is not firm enough in connection and is easily influenced by vibration; and the existing foundations mostly adopt pile foundations, the pile foundations are usually large in length and are usually distributed dispersedly, independent and uniform stress surfaces are not easy to form, and the shock insulation effect is insufficient and limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bridge shock insulation basis to solve the poor problem of bridge shock insulation basic effect that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a bridge shock insulation foundation comprises a bridge pier bearing platform, a pile foundation bearing platform, a shock insulation support and pre-buried steel bars, wherein the pile foundation bearing platform is fixedly installed at the top of the bridge pier bearing platform, the pile foundation bearing platform, a high-damping rubber pad and the bridge pier bearing platform are installed in a penetrating manner through pile foundation columns, a lower pre-buried steel plate is fixedly installed at the top of the pile foundation bearing platform, a lower pre-buried steel plate is fixedly installed at the bottom of the shock insulation support through the lower connecting steel plate, a sealing plate is arranged between the shock insulation support and the lower connecting steel plate, steel plate layers are uniformly distributed in the shock insulation support, a rubber layer is arranged between the steel plate layers, two groups of lead cores are installed between the steel plate layers in a penetrating manner, an upper pre-buried steel plate is fixedly installed at the top of the shock insulation support through an upper connecting steel plate, the pre-buried steel bars are fixedly installed at the top of the upper pre-buried steel plate, and fixing bolts used in a matching manner are arranged between the lower connecting steel plate and the upper pre-buried steel plate, and the fixing bolt is provided with an upper sleeve, a lower sleeve and an upper anchor bolt which are matched with each other for use, the surface of the shock insulation support is provided with a rubber protective layer which is matched with each other for use, and the shock insulation support is connected with the rubber protective layer through waterproof glue.
Preferably, the top of the pier bearing platform is fixedly installed with the pile foundation bearing platform through a high-damping rubber pad.
Preferably, a fixed groove is formed in the center of the top of the pier bearing platform, and a cement column bonded with the fixed groove is poured at the bottom of the pile foundation bearing platform.
Preferably, the top of the embedded steel bar is provided with an anchor block used in a matched mode.
Compared with the prior art, the utility model discloses an innovation point effect is: the bridge shock insulation foundation is reasonable and has the following advantages:
(1) the shock insulation support can be connected with the bridge pier bearing platform more firmly by matching the pile foundation bearing platform and the pile foundation column, so that the quality problems that the bridge is vibrated and cracks and the like are caused due to the fact that the bridge is not firmly connected are avoided, the application range of the device is improved, the rubber protective layer outside the shock insulation support can protect the shock insulation support from being corroded by external factors to influence the application effect of the shock insulation support, and the service life of the shock insulation support is prolonged;
(2) through the cooperation use of isolation bearing and upper and lower steel connection plate, the action personnel of being convenient for can remove the isolation bearing according to actual conditions, with the even cloth of isolation bearing on whole bridge, well form a complete isolation layer, enlarged the practicality of isolation bearing, use through the cooperation between steel deck and rubber layer and the lead core in high damping rubber pad and the isolation bearing, when the earthquake, can effectual isolated ground vibration that reaches, improved the shock insulation performance of bridge.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a schematic view of a partial structure of the present invention.
In the figure: 1. a pier bearing platform; 101. a high damping rubber pad; 2. pile foundation bearing platforms; 201. pile foundation columns; 202. lower pre-buried steel plates; 203. a lower connecting steel plate; 3. a shock insulation support; 301. closing the plate; 302. a steel plate layer; 303. a rubber layer; 304. a lead core; 305. a rubber protective layer; 306. an upper connecting steel plate; 307. steel plates are pre-embedded; 4. embedding reinforcing steel bars in advance; 401. fixing the bolt; 402. an upper sleeve and a lower sleeve; 403. and an upper anchor bolt and a lower anchor bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a bridge shock insulation foundation comprises a bridge pier bearing platform 1, a pile foundation bearing platform 2, a shock insulation support 3 and embedded steel bars 4, wherein the top of the bridge pier bearing platform 1 is fixedly provided with the pile foundation bearing platform 2, a high-damping rubber pad 101 and the bridge pier bearing platform 1 are installed in a penetrating mode through a pile foundation column 201, a fixing groove is formed in the center of the top of the bridge pier bearing platform 1, a cement column which is bonded with the fixing groove is poured at the bottom of the pile foundation bearing platform 2, the top of the bridge pier bearing platform 1 is fixedly installed with the pile foundation bearing platform 2 through the high-damping rubber pad 101, the top of the pile foundation bearing platform 2 is fixedly provided with a lower embedded steel plate 202, and through matching use between the pile foundation bearing platform 2 and the pile foundation column 201, the connection between the shock insulation support 3 and the bridge pier bearing platform 1 is firmer, and quality problems that cracks and the like of a bridge are caused by insecure connection are avoided;
the bottom of the shock-isolating support 3 is fixedly provided with a lower embedded steel plate 202 through a lower connecting steel plate 203, a sealing plate 301 is arranged between the shock-isolating support 3 and the lower connecting steel plate 203, steel plate layers 302 are uniformly distributed in the shock-isolating support 3, a rubber layer 303 is arranged between the steel plate layers 302, two groups of lead cores 304 are arranged between the steel plate layers 302 and the rubber layer 303 in a penetrating manner, the surface of the shock-isolating support 3 is provided with a rubber protective layer 305 which is matched with the use, and the shock-isolating support 3 is connected with the rubber protective layer 305 through waterproof glue;
the top of the seismic isolation support 3 is fixedly provided with an upper embedded steel plate 307 through an upper connecting steel plate 306, fixing bolts 401 which are matched with each other are arranged between the upper embedded steel plate 307 and the upper connecting steel plate 306 as well as between the lower connecting steel plate 203 and the lower embedded steel plate 202, and upper and lower sleeves 402 and upper and lower anchor bolts 403 which are matched with each other are arranged on the fixing bolts 401;
the top of the upper embedded steel plate 307 is fixedly provided with an embedded steel bar 4, and the top of the embedded steel bar 4 is provided with an anchor block used in a matching way;
the working principle is as follows: when the shock insulation support 3 is used, firstly, the upper and lower connecting steel plates 203 connected to the top and the bottom of the shock insulation support 3, and the fixing bolts 401 arranged at the upper and lower ends of the shock insulation support 3 are matched with the upper and lower sleeves 402 and the upper and lower anchor bolts 403, so that the shock insulation support 3 can be respectively and fixedly connected with the lower embedded steel plate 202 and the pile foundation bearing platform 2, and the embedded steel bars 4 at the top of the shock insulation support 3 can be better and fixedly connected with a bridge;
finally, through the high damping rubber pad 101, the sealing plate 301, the steel plate layer 302, the rubber layer 303 and the lead core 304 inside the vibration isolation support 3, during an earthquake, the vibration on the ground can be effectively isolated, and therefore the influence of the earthquake on the bridge is relieved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a bridge shock insulation basis, includes pier cushion cap (1), pile foundation cushion cap (2), shock insulation support (3) and embedded steel bar (4), its characterized in that: the top of the pier bearing platform (1) is fixedly provided with a pile foundation bearing platform (2), the high-damping rubber pad (101) and the pier bearing platform (1) are installed in a penetrating manner through a pile foundation column (201), the top of the pile foundation bearing platform (2) is fixedly provided with a lower pre-embedded steel plate (202), the bottom of the shock insulation support (3) is fixedly provided with a lower pre-embedded steel plate (202) through a lower connecting steel plate (203), a sealing plate (301) is arranged between the shock insulation support (3) and the lower connecting steel plate (203), steel plate layers (302) are uniformly distributed in the shock insulation support (3), a rubber layer (303) is arranged between the steel plate layers (302), two groups of lead cores (304) are installed in a penetrating manner between the steel plate layers (302) and the rubber layer (303), the top of the shock insulation support (3) is fixedly provided with an upper pre-embedded steel plate (307) through an upper connecting steel plate (306), go up the top fixed mounting of buried steel plate (307) and have embedded bar (4), go up buried steel plate (307) and last connecting steel plate (306) and all be equipped with fixing bolt (401) that the cooperation was used down between connecting steel plate (203) and buried steel plate (202) down, and be equipped with upper and lower sleeve (402) and upper and lower crab-bolt (403) that the cooperation was used on fixing bolt (401), the surface of isolation bearing (3) is equipped with rubber protection layer (305) that the cooperation was used, be connected through the waterproof glue between isolation bearing (3) and rubber protection layer (305).
2. A bridge seismic isolation foundation as claimed in claim 1, wherein: the top of the pier bearing platform (1) is fixedly installed with the pile foundation bearing platform (2) through a high-damping rubber pad (101).
3. A bridge seismic isolation foundation as claimed in claim 1, wherein: the center position department at pier cushion cap (1) top is equipped with fixed recess, the concrete column that bonds with fixed recess has been pour to pile foundation cushion cap (2) bottom.
4. A bridge seismic isolation foundation as claimed in claim 1, wherein: and the top of the embedded steel bar (4) is provided with an anchor block which is used in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022919147.4U CN213896733U (en) | 2020-12-08 | 2020-12-08 | Bridge shock insulation foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022919147.4U CN213896733U (en) | 2020-12-08 | 2020-12-08 | Bridge shock insulation foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213896733U true CN213896733U (en) | 2021-08-06 |
Family
ID=77101038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022919147.4U Expired - Fee Related CN213896733U (en) | 2020-12-08 | 2020-12-08 | Bridge shock insulation foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213896733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108858A (en) * | 2021-10-25 | 2022-03-01 | 中铁第一勘察设计院集团有限公司 | Symmetrical slider type shock isolation device |
-
2020
- 2020-12-08 CN CN202022919147.4U patent/CN213896733U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108858A (en) * | 2021-10-25 | 2022-03-01 | 中铁第一勘察设计院集团有限公司 | Symmetrical slider type shock isolation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102535504B (en) | Seismic isolation foundation for bridge | |
| CN103469732B (en) | Construction method of preformed holes for foundation bolts of bridge support | |
| CN106758791A (en) | Spacing energy-dissipating type vibration absorption and isolation support of bridge and preparation method thereof | |
| CN113123325B (en) | Underground continuous wall and construction method thereof | |
| CN217078222U (en) | Assembled ballastless track based on dry-type connection | |
| CN213896733U (en) | Bridge shock insulation foundation | |
| CN111074953A (en) | Underground building anti-floating control device | |
| CN210887332U (en) | Foundation vibration damping structure of underground building equipment | |
| CN114561881A (en) | Longitudinal deviation-rectifying and resetting method suitable for soft soil foundation bridge | |
| CN215482258U (en) | Multi-damping system for segment-assembled single-column pier separated UHPC swinging bearing platform | |
| CN208105023U (en) | Assembling type girder bridge | |
| CN212478159U (en) | Pre-buried steel sheet erection joint structure under isolation bearing | |
| CN113668368A (en) | Plastic hinge area enlarged section assembled type swing pier and construction method thereof | |
| CN210507176U (en) | Road and bridge crack reinforced structure | |
| CN112627016A (en) | Assembled pier with self-resetting and strong energy consumption and construction method thereof | |
| CN111877185A (en) | Horizontal turning construction method for continuous beam in severe cold area | |
| CN108643682B (en) | Prefabricated base for fixing steel structure upright post | |
| CN113737988B (en) | Vertical prestress assembly energy consumption coupled wall structure and assembly method thereof | |
| CN211735543U (en) | Underground building anti-floating control device | |
| CN214993017U (en) | Assembled pier that possesses from restoring to throne and consume energy by force | |
| CN210482022U (en) | Prefabricated pier stud structure of assembling of slot-in type connection | |
| CN211571239U (en) | Temporary covering structure for subway station construction | |
| CN110468868B (en) | Shock insulation and absorption structure and method of large-scale test equipment | |
| CN100543250C (en) | A kind of composite shock insulation layer | |
| CN210827532U (en) | Shock insulation and absorption structure of large-scale test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210806 |