CN209243564U - A kind of bridge pier over the sea structure - Google Patents
A kind of bridge pier over the sea structure Download PDFInfo
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- CN209243564U CN209243564U CN201821934520.XU CN201821934520U CN209243564U CN 209243564 U CN209243564 U CN 209243564U CN 201821934520 U CN201821934520 U CN 201821934520U CN 209243564 U CN209243564 U CN 209243564U
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Abstract
The utility model relates to a kind of bridge pier over the sea structures, including the pier shaft and base station being fixedly connected, the pier shaft includes steel pipe and the first concrete layer for being cast in steel tube surface, the first concrete layer lower periphery is equipped with buffer layer, the buffer layer includes the second concrete layer, third concrete layer and protective layer, and the base station includes polyurethane rubber, the 4th concrete layer and reinforcing bar；The protective layer extends to the base station and wraps up all outer surfaces of the base station except the base.Bridge pier over the sea structure described in the utility model has low cost, highly-safe and long service life advantage.
Description
Technical field
The utility model relates to bridge construction, especially a kind of bridge pier over the sea structure.
Background technique
With the development of economic construction, the traffic of the bridge spanning the sea and offshore area built at present in coastal, offshore area
Bridge Design just develops towards the direction of high quality, high life.Due to reinforced concrete structure have low cost, easily casting, it is resistance to
The advantages that impact, so becoming the main selection form of bridge structure.However, seawater salt content is about 3%, especially halogen contains
Amount is high, and the bridge pier of long period of soaking in the seawater is easy to be corroded, and causes concrete spalling, steel bar corrosion causes security risk.
On the other hand, the concrete of spalling is not only made the stability of pontic substantially by the comminuted rupture of generation is hit
Decline, and be difficult to repair in the short time, more it is a risk that the broken concrete to splash can cause two to the personnel on shock source
Secondary injury.Some bridges are equipped with protective fence, although having certain protection pontic effect, cost is higher, and influence beautiful.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of bridge pier over the sea structure, using reinforced concrete structure as base
Plinth is solved safety problem when bridge pier is hit by design buffer layer, is delayed using the energy-absorbing function of foam concrete
Punching, reduces the vibratility of bridge pier.
The utility model bridge pier is additionally provided with protective layer, is preferably sprayed on the third concrete layer or the 4th containing silicone encapsulant
Concrete surface forms three-dimensional thin layer, especially think of Kang Huaxue cement-base infiltration crystallization waterproofing agent DPS, not only can be improved mixed
The intensity of soil is coagulated, and has the effect of that impervious, corrosion resistant, saline-alkali tolerant corrode, is particularly suitable for the protection of bridge spanning the sea, it can be big
It is big to extend pontic service life.
To solve this technical problem, the utility model takes following scheme:
A kind of bridge pier over the sea structure, including the pier shaft and base station being fixedly connected, the pier shaft includes steel pipe and pours
In the first concrete layer of steel tube surface, the first concrete layer lower periphery is equipped with buffer layer, and the buffer layer includes the
Two concrete layers, third concrete layer and protective layer, the buffer layer extend to the base station surface or inside；The base station
Including polyurethane rubber, the 4th concrete layer and reinforcing bar, the polyurethane rubber is located at lowest level, and the 4th concrete layer is logical
It crosses adhesive layer and connects the polyurethane rubber, the reinforcing bar forms support construction in the 4th concrete layer；The protection
Layer extends to the base station and wraps up all outer surfaces of the base station except the base.
Further, first concrete layer, third concrete layer and/or the 4th concrete layer are maritime concrete.
Further, second concrete layer is foam concrete.
Further, the protective layer is to be sprayed on the third concrete layer and/or the 4th concrete containing silicone encapsulant
The thin layer that layer surface is formed.
Further, the protective layer is sprayed on the third for think of Kang Huaxue cement-base infiltration crystallization waterproofing agent DPS and mixes
The thin layer that solidifying soil layer surface and/or the 4th concrete layer are formed, with a thickness of 5-10mm.
Further, first concrete layer is cylindrical, and the diameter of first concrete layer is at least the steel
3-5 times of pipe diameter.
Further, the buffer layer is triangular in shape or oval arcuation.
Further, the first concrete layer lower periphery is equipped with 2 buffer layers, is located at the two of the pier shaft
Side.
Further, chamfering is arranged in four angles of the base station.
Further, the highest point of the buffer layer is higher than the mean water in design sea area.
By using preceding solution, the utility model compared with prior art, using reinforced concrete structure, in conjunction with
Cheap foam concrete constitutes buffer protection, low cost, highly-safe；Using the pontic that seawater is impregnated containing silicone encapsulant into
Row protection, not only increases concrete strength, and extend service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the bridge pier over the sea that the utility model embodiment 1 provides.
Specific embodiment
Technical solutions of the utility model are further elaborated with reference to the accompanying drawings and examples, present embodiment can have
Different forms and it is not understood as limited to explanation set forth herein.Identical appended drawing reference represents identical always in text
Element, similar appended drawing reference represent similar element.
Embodiment 1:
With reference to Fig. 1, bridge pier over the sea structure includes the pier shaft 1 and base station 2 being fixedly connected, wherein pier shaft 1 includes steel pipe
3 and first concrete layer 4, the first concrete layer 4 be cast in 1 surface of steel pipe along annular and form main support effect, the first coagulation
The diameter of soil layer 4 is 3 times of steel pipe 1.First concrete layer, 4 lower periphery two sides are respectively provided with 1 triangle buffer layer, including
Two concrete layers 5, third concrete layer 6 and protective layer 7, wherein the second concrete layer 5 is at 3-D triangle, the second concrete layer
5 two right-angle surfaces are connected with the outer surface of pier shaft 1 and base station 2 respectively, and third concrete layer 6 is covered on the second concrete layer 5
Inclined-plane on, protective layer 7 is covered on 6 surface of third concrete layer.
Base station 2 is equipped with 4 chamferings 11, and base station 2 includes polyurethane rubber 8, the 4th concrete layer 9 and reinforcing bar 10, wherein gathering
Urethane rubber 8 is located at 2 lowest level of base station, and the 4th concrete layer 9 connects polyurethane rubber 8 by adhesive layer, to completely cut off moisture pair
The infiltration of concrete, reinforcing bar 10 are filled in inside the 4th concrete layer 9 at solid netted, form the branch to the 4th concrete layer 9
Support.Protective layer 7 extends to 2 surface of base station and wraps up all outer surfaces of base station 2 except the base.
Further, the first concrete layer 4, third concrete layer 6, the 4th concrete layer 9 are conventional maritime concrete, the
Two concrete layers 5 use foam concrete, and protective layer 7 is to be sprayed on third concrete layer 6 and the 4th concrete containing silicone encapsulant
The thin layer that 9 surface of layer are formed, preferably think of Kang Huaxue cement-base infiltration crystallization waterproofing agent DPS are sprayed.It is most preferably anti-in order to guarantee
Effect is protected, the highest point of buffer layer should be higher than that the mean water in design sea area, to guarantee part that bridge pier is impregnated by seawater all
Protection with protective layer.
Embodiment 2:
Bridge pier over the sea structure includes the pier shaft 1 and base station 2 being fixedly connected, wherein pier shaft 1 includes steel pipe 3 and first
Concrete layer 4, the first concrete layer 4 are cast in 1 surface of steel pipe along annular and form main support effect, the first concrete layer 4
Diameter is 5 times of steel pipe 1.First concrete layer, 4 lower periphery two sides are respectively provided with 1 arc-shaped buffer layer, including the second coagulation
Soil layer 5, third concrete layer 6 and protective layer 7, wherein the second concrete layer 5 is by orthogonal two right-angle surfaces and phase therewith
Arc surface composition even, two right-angle surfaces of the second concrete layer 5 are connected with the outer surface of pier shaft 1 and base station 2 respectively, and third is mixed
Solidifying soil layer 6 is covered on the arc surface of the second concrete layer 5, and protective layer 7 is covered on 6 surface of third concrete layer.
Base station 2 is equipped with 4 chamferings 11, and base station 2 includes polyurethane rubber 8, the 4th concrete layer 9 and reinforcing bar 10, wherein gathering
Urethane rubber 8 is located at 2 lowest level of base station, and the 4th concrete layer 9 connects polyurethane rubber 8 by adhesive layer, to completely cut off moisture pair
The infiltration of concrete, reinforcing bar 10 are filled in inside the 4th concrete layer 9 at solid netted, form the branch to the 4th concrete layer 9
Support.Protective layer 7 extends to 2 surface of base station and wraps up all outer surfaces of base station 2 except the base.
Further, the first concrete layer 4, third concrete layer 6, the 4th concrete layer 9 are conventional maritime concrete, the
Two concrete layers 5 use foam concrete, and protective layer 7 is to be sprayed on third concrete layer 6 and the 4th concrete containing silicone encapsulant
The thin layer that 9 surface of layer are formed, preferably think of Kang Huaxue cement-base infiltration crystallization waterproofing agent DPS are sprayed.It is most preferably anti-in order to guarantee
Effect is protected, the highest point of buffer layer should be higher than that the mean water in design sea area, to guarantee part that bridge pier is impregnated by seawater all
Protection with protective layer.
Embodiment 3
Bridge pier over the sea structure includes pier shaft 1 and base station 2, and 1 bottom of pier shaft is located in the groove at 2 top of base station, the two
It is fixedly connected.Wherein, pier shaft 1 includes steel pipe 3 and the first concrete layer 4, and the first concrete layer 4 is cast in 1 table of steel pipe along annular
Face forms main support effect, and the diameter of the first concrete layer 4 is 4 times of steel pipe 1.First concrete layer, 4 lower periphery two sides
It is respectively provided with 1 arc-shaped buffer layer, including the second concrete layer 5, third concrete layer 6 and protective layer 7, wherein the second concrete
Layer 5 is made of orthogonal two right-angle surfaces and the arc surface being attached thereto, the right-angle surface and pier of the second concrete layer 5
The outer surface of body 1 is connected, another right-angle surface is connected with the groove floor at 2 top of base station, and third concrete layer 6 is covered on second
On the arc surface of concrete layer 5, protective layer 7 is covered on 6 surface of third concrete layer.
Base station 2 is equipped with 4 chamferings 11, and base station 2 includes polyurethane rubber 8, the 4th concrete layer 9 and reinforcing bar 10, wherein gathering
Urethane rubber 8 is located at 2 lowest level of base station, and the 4th concrete layer 9 connects polyurethane rubber 8 by adhesive layer, to completely cut off moisture pair
The infiltration of concrete, reinforcing bar 10 are filled in inside the 4th concrete layer 9 at solid netted, form the branch to the 4th concrete layer 9
Support.Protective layer 7 extends to 2 surface of base station and wraps up all outer surfaces of base station 2 except the base.
Further, the first concrete layer 4, third concrete layer 6, the 4th concrete layer 9 are conventional maritime concrete, the
Two concrete layers 5 use foam concrete, and protective layer 7 is to be sprayed on third concrete layer 6 and the 4th concrete containing silicone encapsulant
The thin layer that 9 surface of layer are formed, preferably think of Kang Huaxue cement-base infiltration crystallization waterproofing agent DPS are sprayed.It is most preferably anti-in order to guarantee
Effect is protected, the highest point of buffer layer should be higher than that the mean water in design sea area, to guarantee part that bridge pier is impregnated by seawater all
Protection with protective layer.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and
Modification.
Claims (10)
1. a kind of bridge pier over the sea structure, including the pier shaft and base station being fixedly connected, it is characterised in that: the pier shaft includes steel
The first concrete layer of steel tube surface is managed and is cast in, the first concrete layer lower periphery is equipped with buffer layer, the buffering
Layer includes the second concrete layer, third concrete layer and protective layer, and the buffer layer extends to the base station surface or inside；
The base station includes polyurethane rubber, the 4th concrete layer and reinforcing bar, and the polyurethane rubber is located at lowest level, and the described 4th is mixed
Solidifying soil layer connects the polyurethane rubber by adhesive layer, and the reinforcing bar forms support construction in the 4th concrete layer；
The protective layer extends to the base station and wraps up all outer surfaces of the base station except the base.
2. bridge pier over the sea structure according to claim 1, it is characterised in that: first concrete layer, third are mixed
Solidifying soil layer and/or the 4th concrete layer are maritime concrete.
3. bridge pier over the sea structure according to claim 1, it is characterised in that: second concrete layer is mixed for foam
Solidifying soil.
4. bridge pier over the sea structure according to claim 1, it is characterised in that: the protective layer is to spray containing silicone encapsulant
It is coated in the thin layer that the third concrete layer and/or the 4th concrete surface are formed.
5. bridge pier over the sea structure according to claim 4, it is characterised in that: the protective layer is to think Kang Huaxue cement
Based penetrant crystalline waterproofing agent DPS is sprayed on the thin layer that the third concrete surface and/or the 4th concrete layer are formed, thickness
For 5-10mm.
6. bridge pier over the sea structure according to any one of claims 1-5, it is characterised in that: first concrete
Layer is cylindrical, and the diameter of first concrete layer is at least 3-5 times of the diameter of steel tube.
7. bridge pier over the sea structure according to any one of claims 1-5, it is characterised in that: the buffer layer is in three
Angular or oval arcuation.
8. bridge pier over the sea structure according to claim 7, it is characterised in that: the first concrete layer lower periphery
Equipped with 2 buffer layers, it is located at the two sides of the pier shaft.
9. bridge pier over the sea structure according to any one of claims 1-5, it is characterised in that: four of the base station
Chamfering is arranged in angle.
10. bridge pier over the sea structure according to any one of claims 1-5, it is characterised in that: the buffer layer
Highest point is higher than the mean water in design sea area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821934520.XU CN209243564U (en) | 2018-11-22 | 2018-11-22 | A kind of bridge pier over the sea structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821934520.XU CN209243564U (en) | 2018-11-22 | 2018-11-22 | A kind of bridge pier over the sea structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209243564U true CN209243564U (en) | 2019-08-13 |
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ID=67529348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821934520.XU Active CN209243564U (en) | 2018-11-22 | 2018-11-22 | A kind of bridge pier over the sea structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818352A (en) * | 2021-09-29 | 2021-12-21 | 湖南交通国际经济工程合作有限公司 | Soft foundation high pier curve cast-in-situ box girder bridge and construction method thereof |
-
2018
- 2018-11-22 CN CN201821934520.XU patent/CN209243564U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818352A (en) * | 2021-09-29 | 2021-12-21 | 湖南交通国际经济工程合作有限公司 | Soft foundation high pier curve cast-in-situ box girder bridge and construction method thereof |
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