CN204919307U - Antidetonation high -strength concrete pier - Google Patents
Antidetonation high -strength concrete pier Download PDFInfo
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- CN204919307U CN204919307U CN201520641050.8U CN201520641050U CN204919307U CN 204919307 U CN204919307 U CN 204919307U CN 201520641050 U CN201520641050 U CN 201520641050U CN 204919307 U CN204919307 U CN 204919307U
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- concrete bridge
- bridge pier
- mesh reinforcement
- steel mesh
- circular
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Abstract
The utility model discloses an antidetonation high -strength concrete pier, including concrete foundation, cylindrical concrete bridge mound body, reinforcing bar net and attenuator, the inside of cylindrical concrete bridge mound body is provided with the reinforcing bar net, the anchor ring inboard of reinforcing bar net is provided with the arc girder steel that the peak meets, the upper end of reinforcing bar net and lower extreme are provided with no. Two arc girder steels that meet with arc girder steel, the attenuator is installed between the medial surface of circular recess and cylindrical concrete bridge mound body, cylindrical concrete bridge mound body passes through cable and concrete foundation's end connection. This antidetonation high -strength concrete pier is provided with reinforcing bar net through the inside at concrete bridge mound body, and the instantaneous weight of large -tonnage can be born in vertical direction to the load bearing stength of improvement concrete bridge mound body that can be great, avoids causing the accident that the concrete bridge mound collapsed inadequately because of intensity.
Description
Technical field
The utility model belongs to concrete pier technical field, is specifically related to a kind of antidetonation strong concrete bridge pier.
Background technology
In recent years, infrastructure construction is located in Chinese national economy and occupies very important status, and along with country greatly develops infrastructure construction, as the lifeline of traffic engineering, the effect ever more important of bridge construction, its performance requirement is also more strict.Highway bridge is faced with day by day complicated traffic and huge traffic flow, and high-speed railway bridge then needs satisfied heavily loaded requirement, and Pier Design must have enough bearing capacities.At the current major accident often occurring concrete pier fracture or collapse, cause comparatively ill effect; Moreover be exactly running into the heavy vehicle on the earthquake of less grade or bridge floor through there are violent vibrations, concrete pier meeting run-off the straight or small displacement, if there is no measure reparation, accumulate over a long period and likely there will be the danger of concrete pier fracture.A kind of antidetonation strong concrete bridge pier is proposed for this reason.
Utility model content
The purpose of this utility model is to provide a kind of antidetonation strong concrete bridge pier, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of antidetonation strong concrete bridge pier, comprise concrete pedestal, cylindrical concrete bridge pier body, steel mesh reinforcement and damper, described concrete pedestal is provided with circular groove, the bottom of described circular groove is provided with circular holddown groove, the inside of described cylindrical concrete bridge pier body is provided with steel mesh reinforcement, the arc girder steel that peak connects is provided with inside the anchor ring of described steel mesh reinforcement, the top and bottom of described steel mesh reinforcement are provided with No. two arc girder steels connected with an arc girder steel, the inner arc of a described arc girder steel and No. two arc girder steels is provided with beam-column, described beam-column and steel mesh reinforcement abut against, the bottom of described cylindrical concrete bridge pier body is provided with fixed block, described fixed block is arranged on the inside of circular holddown groove, the edge of described circular holddown groove is reserved with mobile cavity, described damper is arranged between the medial surface of circular groove and cylindrical concrete bridge pier body, described cylindrical concrete bridge pier body is connected with the end of concrete pedestal by drag-line.
Preferably, a described arc girder steel is the anchor ring that the annular of interval fixed angle is arranged on firm muscle net.
Preferably, described steel mesh reinforcement is made up of reinforcing bar and circular boop, and described reinforcing bar is formed anchor ring in vertically arranging and is fixedly connected with by circular boop.
Preferably, described drag-line is set to 2 groups, and often organize 3,2 groups of drag-lines are symmetricly set on the both sides of cylindrical concrete bridge pier body, and one end of drag-line equidistantly connects at interval on cylindrical concrete bridge pier body, the end of the other end and concrete pedestal is connected to a bit.
Technique effect of the present utility model and advantage: this antidetonation strong concrete bridge pier is by being provided with steel mesh reinforcement in the inside of cylindrical concrete bridge pier body, and the arc girder steel abutted against is set at the anchor ring of steel mesh reinforcement, No. two arc girder steels connected with an arc girder steel are provided with at the upper and lower side of steel mesh reinforcement, by this structure, the load bearing stength of cylindrical concrete bridge pier body can be improved greatly, large-tonnage instantaneous weight can be born in vertical direction, avoid the accident causing because of insufficient strength cylindrical concrete bridge pier to collapse; By arranging damper between circular groove and cylindrical concrete bridge pier body, and be reserved with mobile cavity at the edge of circular holddown groove, when occurring the earthquake that less grade or occurring that heavy vehicle is through causing violent vibrations, damper can absorbing vibration produce energy, alleviate the vibrations of cylindrical concrete bridge pier body, small displacement is there is in fixed block at mobile cavity, under damper has absorbed the energy of vibrations generation and the common effect of drag-line, fixed block can have been kept in the center.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model steel mesh reinforcement structural representation.
In figure: 1 cylindrical concrete bridge pier body, 2 concrete pedestals, No. 3 arc girder steels, 4 No. two arc girder steels, 5 beam-columns, 6 steel mesh reinforcements, 61 reinforcing bars, 62 circular boops, 7 dampers, 8 circular grooves, 9 circular holddown grooves, 10 move cavity, 11 fixed blocks, 12 drag-lines.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of antidetonation strong concrete bridge pier as shown in Figure 1-2, comprise concrete pedestal 2, cylindrical concrete bridge pier body 1, steel mesh reinforcement 6 and damper 7, described concrete pedestal 2 is provided with circular groove 8, the bottom of described circular groove 8 is provided with circular holddown groove 9, the inside of described cylindrical concrete bridge pier body 1 is provided with steel mesh reinforcement 6, described steel mesh reinforcement 6 is made up of reinforcing bar 61 and circular boop 62, described reinforcing bar 61 is formed anchor ring in vertically arranging and is fixedly connected with by circular boop 62, the arc girder steel 3 that peak connects is provided with inside the anchor ring of described steel mesh reinforcement 6, the annular of a described arc girder steel 3 in interval fixed angle is arranged on the anchor ring of steel mesh reinforcement 6, the top and bottom of described steel mesh reinforcement 6 are provided with No. two arc girder steels 4 connected with an arc girder steel 3, the inner arc of a described arc girder steel 3 and No. two arc girder steels 4 is provided with beam-column 5, described beam-column 5 abuts against with steel mesh reinforcement 6, the bottom of described cylindrical concrete bridge pier body 1 is provided with fixed block 11, described fixed block 11 is arranged on the inside of circular holddown groove 9, the edge of described circular holddown groove 9 is reserved with mobile cavity 10, described damper 7 is arranged between the medial surface of circular groove 8 and cylindrical concrete bridge pier body 1, described cylindrical concrete bridge pier body 1 is connected with the end of concrete pedestal 2 by drag-line 12, described drag-line 12 is set to 2 groups, often organize 3, 2 groups of drag-lines 12 are symmetricly set on the both sides of cylindrical concrete bridge pier body 1, and one end of drag-line 12 equidistantly connects at interval on cylindrical concrete bridge pier body 1, the end of the other end and concrete pedestal 2 is connected to a bit.
Operating principle: by being provided with steel mesh reinforcement 6 in the inside of cylindrical concrete bridge pier body 1, and the arc girder steel 3 abutted against is set at the anchor ring of steel mesh reinforcement 6, No. two arc girder steels 4 connected with an arc girder steel 3 are provided with at the upper and lower side of steel mesh reinforcement 6, the inner arc of an arc girder steel 3 and No. two arc girder steels 4 is provided with beam-column 5 and abuts against with steel mesh reinforcement 6, by this structure, the load bearing stength of cylindrical concrete bridge pier body 1 can be improved greatly, large-tonnage instantaneous weight can be born in vertical direction, avoid the accident causing concrete pier to collapse because of insufficient strength, by arranging damper 7 between circular groove 8 and cylindrical concrete bridge pier body 1, and be reserved with mobile cavity 10 at the edge of circular holddown groove 9, when occurring the earthquake that less grade or occurring that heavy vehicle is through causing violent vibrations, damper 7 can absorbing vibration produce energy, alleviate the vibrations of cylindrical concrete bridge pier body 1, small displacement is there is in fixed block 11 at mobile cavity 10, under damper 7 has absorbed the energy of vibrations generation and the common effect of drag-line 12, fixed block 11 can have been kept in the center.
Last it is noted that the foregoing is only preferred embodiment of the present utility model; be not limited to the utility model; although be described in detail the utility model with reference to previous embodiment; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. an antidetonation strong concrete bridge pier, comprise concrete pedestal (2), cylindrical concrete bridge pier body (1), steel mesh reinforcement (6) and damper (7), described concrete pedestal (2) is provided with circular groove (8), the bottom of described circular groove is provided with circular holddown groove (9), it is characterized in that: the inside of described cylindrical concrete bridge pier body (1) is provided with steel mesh reinforcement (6), the arc girder steel (3) that peak connects is provided with inside the anchor ring of described steel mesh reinforcement (6), the top and bottom of described steel mesh reinforcement (6) are provided with No. two arc girder steels (4) connected with an arc girder steel (3), the inner arc of a described arc girder steel (3) and No. two arc girder steels (4) is provided with beam-column (5), described beam-column (5) and steel mesh reinforcement (6) abut against, the bottom of described cylindrical concrete bridge pier body (1) is provided with fixed block (11), described fixed block (11) is arranged on the inside of circular holddown groove (9), the edge of described circular holddown groove (9) is reserved with mobile cavity (10), described damper (7) is arranged between the medial surface of circular groove (8) and cylindrical concrete bridge pier body (1), described cylindrical concrete bridge pier body (1) is connected by the end of drag-line (12) with concrete pedestal (2).
2. a kind of antidetonation strong concrete bridge pier according to claim 1, is characterized in that: the annular of a described arc girder steel (3) in interval fixed angle is arranged on the anchor ring of steel mesh reinforcement (6).
3. a kind of antidetonation strong concrete bridge pier according to claim 1, it is characterized in that: described steel mesh reinforcement (6) is made up of reinforcing bar (61) and circular boop (62), described reinforcing bar (61) is formed anchor ring in vertically arranging and is fixedly connected with by circular boop (62).
4. a kind of antidetonation strong concrete bridge pier according to claim 1, it is characterized in that: described drag-line (12) is set to 2 groups, often organize 3,2 groups of drag-lines (12) are symmetricly set on the both sides of cylindrical concrete bridge pier body (1), and one end of drag-line (12) equidistantly connects at the upper interval of cylindrical concrete bridge pier body (1), the end of the other end and concrete pedestal (2) is connected to a bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641050.8U CN204919307U (en) | 2015-08-24 | 2015-08-24 | Antidetonation high -strength concrete pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641050.8U CN204919307U (en) | 2015-08-24 | 2015-08-24 | Antidetonation high -strength concrete pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204919307U true CN204919307U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520641050.8U Expired - Fee Related CN204919307U (en) | 2015-08-24 | 2015-08-24 | Antidetonation high -strength concrete pier |
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| Country | Link |
|---|---|
| CN (1) | CN204919307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893367A (en) * | 2017-12-07 | 2018-04-10 | 中铁二院工程集团有限责任公司 | A kind of method for being used to improve large span Deck Arch Bridges spandrel structure anti-seismic performance in work progress |
| CN108360367A (en) * | 2018-02-09 | 2018-08-03 | 石家庄铁道大学 | A kind of antidetonation does not fall bridge pier |
-
2015
- 2015-08-24 CN CN201520641050.8U patent/CN204919307U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893367A (en) * | 2017-12-07 | 2018-04-10 | 中铁二院工程集团有限责任公司 | A kind of method for being used to improve large span Deck Arch Bridges spandrel structure anti-seismic performance in work progress |
| CN108360367A (en) * | 2018-02-09 | 2018-08-03 | 石家庄铁道大学 | A kind of antidetonation does not fall bridge pier |
| CN108360367B (en) * | 2018-02-09 | 2019-06-07 | 石家庄铁道大学 | A kind of antidetonation does not fall bridge pier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151230 Termination date: 20160824 |