CN206706804U - A kind of bridge pier column structure - Google Patents
A kind of bridge pier column structure Download PDFInfo
- Publication number
- CN206706804U CN206706804U CN201720275295.2U CN201720275295U CN206706804U CN 206706804 U CN206706804 U CN 206706804U CN 201720275295 U CN201720275295 U CN 201720275295U CN 206706804 U CN206706804 U CN 206706804U
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- CN
- China
- Prior art keywords
- cushion cap
- bridge pier
- pier column
- upper cushion
- duct
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Abstract
A kind of bridge pier column structure of the utility model, including：Pile foundation, lower cushion cap is provided with above pile foundation, cushion cap is correspondingly arranged on above lower cushion cap, duct is provided with upper cushion cap, finish rolling deformed bar is provided with duct, its one end is embedded in lower cushion cap, the other end is through duct and extends to the top of cushion cap, and one end that finish rolling deformed bar extends upper cushion cap is connected with nut, and upper cushion cap and lower cushion cap are connected as one, bridge pier column is installed with above upper cushion cap, bridge pier column uses integral prefabricated structure with upper cushion cap.Its advantage is：Bridge pier column and upper cushion cap are integral prefabricated, the upper cushion cap reserving hole channel, upper cushion cap and lower cushion cap are attached by the pre-buried finish rolling deformed bar of lower cushion cap, joint face is set to avoid shearing and the larger bridge pier column root of moment of flexure, it is simultaneously upper to pass through cement mortar and the collective effect of finish rolling deformed bar between cushion cap and lower cushion cap, the safety and stablization of joint face are effectively ensured, security is higher, and structure is more stable.
Description
Technical field：
It the utility model is related to technical field of bridge engineering, and in particular to a kind of bridge pier column structure.
Background technology：
The main construction method of traditional packaged type bridges pillarwork is：Pile foundation and cushion cap cast in situs, bridge pier column enter
Lifting is attached with cushion cap after row is prefabricated, reaches the purpose of rapid construction.
After traditional packaged type bridges pier stud comes into operation, often there are some diseases, be mainly shown as：Destructiveness is light
, nearby slight cracking occurs for concrete for bridge pier column root；Destructiveness weight, in the presence of lateral load, bridge pier
Post easily occurs the relative changing of the relative positions with cushion cap junction and is even broken.
Traditional packaged type bridges pier stud, which produces the main reason for disease, is：The root of bridge pier column is with cushion cap joint
Most weak position in bridge pier column structure, but usually and be the position of maximum shear and moment of flexure generation at this.
Therefore, it is necessary to a kind of safer, stable bridge pier column structure is designed, to solve the above problems.
Utility model content：
The purpose of this utility model is to provide a kind of good security, high capacity, construction green efficiently bridge pier column knot
Structure, to overcome drawbacks described above existing for traditional bridge pier column.
To achieve the above object, the utility model uses following technical scheme：
A kind of bridge pier column structure provided by the utility model, including：Pile foundation, the pile foundation top are provided with lower cushion cap,
Cushion cap is correspondingly arranged on above the lower cushion cap, duct is provided with the upper cushion cap, finish rolling spiral shell is provided with the duct
Line reinforcing bar, its one end are embedded in the lower cushion cap, and the other end is through the duct and extends to the top of the upper cushion cap, institute
State finish rolling deformed bar and extend one end of upper cushion cap and be connected with nut, the upper cushion cap and lower cushion cap are connected as one, institute
State and bridge pier column is installed with above cushion cap, the bridge pier column uses integral prefabricated structure with the upper cushion cap.
Geometric center of the duct along the upper cushion cap is arranged symmetrically.
Cushion block is provided between the upper cushion cap and lower cushion cap, water is perfused between the cushion block and upper cushion cap, lower cushion cap
Cement mortar.
The thickness of the cushion block is [8,15] cm.
A kind of beneficial effect of bridge pier column structure of the utility model：Bridge pier column and upper cushion cap are integral prefabricated, it is described on
Cushion cap reserving hole channel, upper cushion cap and lower cushion cap are attached by the pre-buried finish rolling deformed bar of lower cushion cap, keep away joint face
Power and the larger bridge pier column root of moment of flexure are cut across, while passes through cement mortar and fining twisted steel between upper cushion cap and lower cushion cap
The collective effect of muscle, the safety and stablization of joint face are effectively ensured, security is higher, and structure is more stable.
Brief description of the drawings：
Fig. 1 is a kind of structural representation of bridge pier column structure of the utility model；
Fig. 2 is Fig. 1 top view；
In figure：1- pile foundations, 2- lower cushion caps, the upper cushion caps of 3-, 4- bridge pier columns, 5- cement mortar, 6- finish rolling deformed bars, 7-
Cushion block, 8- nuts, 9- ducts.
Embodiment：
With reference to embodiment, the utility model is described in further detail.
According to Fig. 1 and Fig. 2, a kind of bridge pier column structure, including：Cast-in-place a diameter of 160cm pile foundation 1, pile foundation 1
Formed using the cast of C25 concrete, and the stake spacing of two adjacent pile foundations 1 is 340cm；The top of pile foundation 1, which is provided with down, holds
Platform 2, in the present embodiment, 2 long 600cm of lower cushion cap, wide 220cm and high 85cm, formed using the cast of C30 concrete；Under described
The top of cushion cap 2 is correspondingly arranged on cushion cap 3, in the present embodiment, upper 3 long 600cm of cushion cap, wide 220cm and high 85cm, uses
The cast of C30 concrete forms, and the upper cushion cap 3 is provided with the duct 9 being arranged symmetrically along its geometric center, in the present embodiment,
14 a diameter of 34mm duct 9 is reserved with cushion cap 3 on described, the upper cushion cap 3 is run through in duct 9, two neighboring described
Spacing is 100cm between duct 9；Finish rolling deformed bar 6 is provided with the duct 9, its one end is embedded in the lower cushion cap 2
In, the other end is through the duct 9 and extends to the top of the upper cushion cap 3, and the finish rolling deformed bar 6 extends upper cushion cap
3 one end is connected with nut 8, and the upper cushion cap 3 and lower cushion cap 2 are connected as one, and is installed with and cuts above cushion cap 3 on described
Face is 250cm × 100cm C30 concrete rectangulars bridge pier column 4, and bridge pier column 4 uses integral prefabricated knot with upper cushion cap 3
Structure, enhancing bridge pier column and the intensity of upper cushion cap junction；It is 10cm that thickness is provided between the upper cushion cap 3 and lower cushion cap 2
Cushion block 7,10cm space is formed between upper cushion cap 3 and lower cushion cap 2, cushion block 7 and upper cushion cap 3, lower cushion cap 2 gap in
Irrigate C40 cement mortar 5.
Further, the pre-buried PSB785 levels finish rolling deformed bar 6 for diameter d=32mm in the lower cushion cap 2, embedding depth
Spend for 60cm, through inquiry《Spiral for prestressed concrete》(GB/T 20065-2006) obtains PSB785 level fining twisted steels
The yield strength of muscle 6 is 785MPa, after taking control stress for prestressing 392.5MPa to carry out tensioning to finish rolling deformed bar 6, passes through spiral shell
Cap 8 is anchored in cushion cap 3.
Illustrate a work progress of the present utility model below in conjunction with the accompanying drawings：
Step 1：Pile foundation 1 is poured into a mould, after the completion of the construction of pile foundation 1, pours to form lower cushion cap 2, at the same it is pre- in lower cushion cap 2
Bury finish rolling deformed bar 6；
Step 2：Then integral prefabricated upper cushion cap 3 and bridge pier column 4 so that upper cushion cap 3 and bridge pier column 4 are integrated knot
Structure, to strengthen the intensity of bridge pier column 4 and the upper junction of cushion cap 3, and meanwhile it is default neat high with upper cushion cap 3 in upper cushion cap 3
Duct 9, and the duct 9 is corresponding with the finish rolling deformed bar 6 being embedded in lower cushion cap 2；
Step 3：Concrete pad 7 is set between upper cushion cap 3 and lower cushion cap 2, by concrete pad 7 in upper cushion cap 3
Interspaced in advance between lower cushion cap 2；
Step 4：Lifting prefabricated upper cushion cap 3 in place and bridge pier column 4, make the fining twisted steel being embedded in lower cushion cap 2
Muscle 6 extends to the top of cushion cap 3 through the corresponding duct 9 being preset in cushion cap 3, enters to finish rolling deformed bar 6
Cushion cap 3 is anchored in using nut 8 after row tensioning；
Step 5：Cushion block 7 and upper cushion cap 3, lower cushion cap 2 gap in cement injection mortar 5, it is steady to strengthen joint face
It is qualitative.
Finally it should be noted that：Above example is only illustrating the technical solution of the utility model rather than it is limited
System, although the utility model is described in detail with reference to above-described embodiment, those of ordinary skill in the art should manage
Solution：Specific embodiment of the present utility model can still be modified or equivalent substitution, and without departing from the utility model
Any modification of spirit and scope or equivalent substitution, it all should cover among present claims scope.
Claims (4)
- A kind of 1. bridge pier column structure, it is characterised in that：Including：Pile foundation, the pile foundation top are provided with lower cushion cap, held under described Cushion cap is correspondingly arranged on above platform, duct is provided with the upper cushion cap, finish rolling deformed bar is provided with the duct, its One end is embedded in the lower cushion cap, and the other end is through the duct and extends to the top of the upper cushion cap, the finish rolling spiral shell One end that line reinforcing bar extends upper cushion cap is connected with nut, and the upper cushion cap and lower cushion cap are connected as one, the upper cushion cap Top is installed with bridge pier column, and the bridge pier column uses integral prefabricated structure with the upper cushion cap.
- A kind of 2. bridge pier column structure according to claim 1, it is characterised in that：The duct is several along the upper cushion cap What is centrosymmetrically arranged.
- A kind of 3. bridge pier column structure according to claim 1, it is characterised in that：Set between the upper cushion cap and lower cushion cap Cushion block is equipped with, cement mortar is perfused between the cushion block and upper cushion cap, lower cushion cap.
- A kind of 4. bridge pier column structure according to claim 3, it is characterised in that：The thickness of the cushion block is more than or equal to 8cm and it is less than or equal to 15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720275295.2U CN206706804U (en) | 2017-03-21 | 2017-03-21 | A kind of bridge pier column structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720275295.2U CN206706804U (en) | 2017-03-21 | 2017-03-21 | A kind of bridge pier column structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206706804U true CN206706804U (en) | 2017-12-05 |
Family
ID=60470166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720275295.2U Expired - Fee Related CN206706804U (en) | 2017-03-21 | 2017-03-21 | A kind of bridge pier column structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206706804U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396641A (en) * | 2018-04-28 | 2018-08-14 | 上海市城市建设设计研究总院（集团）有限公司 | Precast assembly bridge pier joint structure |
| CN109797765A (en) * | 2018-12-25 | 2019-05-24 | 广州市市政集团设计院有限公司 | It is a kind of to carry out the construction method that cushion cap is connect with pile foundation by attachment device |
| CN110485258A (en) * | 2019-06-25 | 2019-11-22 | 中交第三航务工程勘察设计院有限公司 | A kind of full assembling type steel structure access bridge and its construction method |
| CN110565537A (en) * | 2019-09-23 | 2019-12-13 | 中铁第四勘察设计院集团有限公司 | Swivel bridge with shock insulation function and construction method thereof |
-
2017
- 2017-03-21 CN CN201720275295.2U patent/CN206706804U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396641A (en) * | 2018-04-28 | 2018-08-14 | 上海市城市建设设计研究总院（集团）有限公司 | Precast assembly bridge pier joint structure |
| CN109797765A (en) * | 2018-12-25 | 2019-05-24 | 广州市市政集团设计院有限公司 | It is a kind of to carry out the construction method that cushion cap is connect with pile foundation by attachment device |
| CN110485258A (en) * | 2019-06-25 | 2019-11-22 | 中交第三航务工程勘察设计院有限公司 | A kind of full assembling type steel structure access bridge and its construction method |
| CN110565537A (en) * | 2019-09-23 | 2019-12-13 | 中铁第四勘察设计院集团有限公司 | Swivel bridge with shock insulation function and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180504 Address after: 214122 23, science and education software park, Binhu District, Wuxi, Jiangsu Patentee after: Wuxi Gaoqiao Detection Technology Co., Ltd. Address before: 110168 Hunnan New Road, Hunnan New District, Shenyang, Liaoning 9 Patentee before: Shenyang Building Univ. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20200321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |