CN202543789U - Connection construction between precast pier and bearing platform - Google Patents
Connection construction between precast pier and bearing platform Download PDFInfo
- Publication number
- CN202543789U CN202543789U CN201220174579XU CN201220174579U CN202543789U CN 202543789 U CN202543789 U CN 202543789U CN 201220174579X U CN201220174579X U CN 201220174579XU CN 201220174579 U CN201220174579 U CN 201220174579U CN 202543789 U CN202543789 U CN 202543789U
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- pier
- pier shaft
- precast
- linkage section
- cushion cap
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- 238000010276 construction Methods 0.000 title claims abstract description 37
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 2
- 239000004567 concrete Substances 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 1
- 239000011150 reinforced concrete Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a connection construction between a precast pier and a bearing platform. The connection construction is characterized in that the pier comprises a precast reinforced concrete pier body and a pier body bottom connection section, wherein the pier body bottom connection section can be poured together with the bearing platform or a precast section member is used to be inserted into the bearing platform; the pier body bottom connection section is connected with the precast pier body; and shear keys matched with each other are arranged between the pier body bottom connection section and the precast pier body. The connection construction between the precast pier and the bearing platform has the advantages that 1, a butting construction shifts up a joint profile from a pier bottom so as to effectively reduce the bending moment at the joint, improve the stress state of the joint, and improve the endurance of the joint; and 2, the shear keys with conjunctional convex and concave surfaces are used at the joint to improve the shear resistance of the joint and facilitate construction. The connection construction between the precast pier and the bearing platform is reliable in the stress of the connection between the pier and the bearing platform, convenient to construct, simple in operation and easy to control, and can effectively reduce the workload of site welding and concrete placing and speed up the construction progress.
Description
Technical field
The utility model relates to the civil Engineering Design technical field, the joint construction of specifically a kind of precast pier and cushion cap.
Background technology
At present, the normally used Urban Bridge substructure of China is cast-in-situ construction method, except that prolonging bridge construction the cycle, also urban environment is brought more adverse influence.And along with present stage China's large-scale city build the continuous propelling of process, energy-saving and environmental protection, low-carbon (LC) become the theme of China's economic development gradually.
One of main challenge that the design of current urban bridge structural faces be exactly the owner with the resident except require bridge structure safe and durable, also require to reduce interference, shorten the traffic jam time, reduce the various noises of generation in haulage vehicle and the construction etc. to traffic on every side through rapid construction.
Because the bridge length of above type is generally more than several kilometers, even tens kilometers, this has just determined that bridge must be by striding array in a large number.For reduce the engineering time as far as possible, reduce influence to surrounding environment, reduce influence to traffic, Bridge Pier Construction should be employed in the form of construction work that precast yard is prefabricated, on-site hoisting is in place and be connected with cushion cap.
Wherein, precast pier is the key technical problem in the design with being connected of cushion cap.Whether proper this joint construction handled, and directly influences the stressed and endurance quality of structure, simultaneously to construction period and construction period risk also contact directly.
The utility model content
The purpose of the utility model provides a kind of safe and reliable and the precast pier of easy construction and the joint construction of cushion cap, applicable to various bridge pier form of fractures.
To achieve these goals; The technical scheme of the utility model is following: the joint construction of a kind of precast pier and cushion cap; It is characterized in that said bridge pier comprises prefabricated pier shaft and pier shaft bottom linkage section; Pier shaft bottom linkage section and cushion cap are built in aggregates, and prefabricated pier shaft is arranged on the linkage section of pier shaft bottom.Be provided with shear connector between pier shaft bottom linkage section and the prefabricated pier shaft.Colligation pier shaft bottom linkage section and cushion cap reinforcing bar and concreting are linked as integral body; Perhaps pier shaft bottom linkage section adopts prefabricated pier shaft bottom linkage section to insert cushion cap, and linkage section bottom, said prefabricated pier shaft bottom reserved steel bar is connected after-pouring cushion cap concrete with the cushion cap reinforcing bar.
Technical characterstic of the utility model and effect are: one of which, the dock structure by moving on the pier bottom, has effectively reduced the moment of flexure of seam crossing with the seam section, has improved the stress of seam, has improved the endurance quality of seam.Its two, the shear connector that seam adopts male and fomale(M&F) to agree with has strengthened the shear behavior of seam, easy construction.Adopt the utility model, bridge pier is connected with cushion cap stressed reliably, easy construction, simple to operate, be easy to control, can effectively reduce the workload of field Welding and concreting, accelerating construction progress.The utility model is applicable to the elevated bridge construction, and constructing operation is convenient, does not have on-the-spot cast-in-place workload.
Description of drawings
Fig. 1 is the precast pier of the utility model and the joint construction of cushion cap.
Fig. 2 is the pier shaft seam sectional schematic diagram of the utility model.
Fig. 3 is the structure construction block diagram of the utility model.
The specific embodiment
The joint construction of a kind of precast pier and cushion cap; It is characterized in that said bridge pier comprises prefabricated pier shaft 1 and pier shaft bottom linkage section 3; In prefabricated pier shaft 1 bottom shear connector 5 is set, wherein pier shaft bottom linkage section 3 can be built with cushion cap 2, also can prefabricatedly make; Reserved steel bar is set in the linkage section bottom to be connected with the cushion cap reinforcing bar; Build cushion cap again, and the shear connector 5 that the end face setting of linkage section 3 matches with prefabricated pier shaft 1 bottom bottom pier shaft, be connected through the shear connector 5 that cooperatively interacts between said pier shaft bottom linkage section 3 and the prefabricated pier shaft 1.Adopt prestressed reinforcement or plain bars vertically to connect between said pier shaft bottom linkage section 3 and the prefabricated pier shaft 1.
With the single-column pier is example, and the contexture of the utility model is seen shown in Figure 1, and Fig. 1 a is an elevation, and Fig. 1 b is the lateral view of Fig. 1 a, and this structure is made up of following five parts: prefabricated pier shaft 1; Cushion cap 2; Pier shaft bottom linkage section 3; Sections seam 4; Shear connector 5.
The certain altitude scope is a pier shaft bottom linkage section at the bottom of the pier, between its end face and the prefabricated pier shaft bottom surface shear connector 5 that shape is agreed with is set.Pier shaft bottom linkage section can adopt reinforcing bar with colligation of cushion cap reinforcing bar and concreting, also can adopt prefabricated making, and reserved steel bar is connected with the cushion cap reinforcing bar in the bottom, builds cushion cap then.Wait to reach after the concrete load age, prefabricated pier shaft sections is installed in handling, accomplishes being connected of prefabricated pier shaft and cushion cap.The height h of pier shaft bottom linkage section is generally 1m～3m.
Pier shaft bottom linkage section and prefabricated pier shaft seam crossing section are provided with the shear connector that male and fomale(M&F) agrees with, and promptly said shear connector comprises the recess and the protuberance of corresponding setting.As shown in the figure, said shear connector comprises recess or the protuberance that is arranged on linkage section top, pier shaft bottom, is provided with the inclined-plane around said recess or the protuberance, and the angle between this inclined-plane and the horizontal plane is 30 ° ~ 60 °, and height is greater than 50mm.Prefabricated pier shaft bottom is provided with protuberance or the recess that matches with linkage section top, pier shaft bottom.When both connect; The protuberance of above-mentioned prefabricated pier shaft bottom or pier shaft bottom linkage section embeds in the recess of pier shaft linkage section top, bottom or prefabricated pier shaft bottom; The shape of said recess and protuberance can be rectangle or circular or other three-dimensional shapes, can be singlely, also can be a plurality of.
Do below in conjunction with 3 pairs of the utility model construction sequences of accompanying drawing and to further describe.
The first step, the pier shaft structure manufacture is carried out in prefabricated place, and on-the-spot colligation pier shaft bottom linkage section and cushion cap reinforcing bar and concreting make the two be linked as integral body (shown in Fig. 3 a); Perhaps on-the-spot colligation cushion cap reinforcing bar; Prefabricated pier shaft member is carried out in prefabricated place and prefabricated pier shaft bottom linkage section is made, linkage section bottom, pier shaft bottom reserved steel bar, and handling is connected with the cushion cap reinforcing bar to on-the-spot after making; Build the cushion cap concrete then, make the two be linked as integral body (shown in Fig. 3 b).
Second step reached after the concrete load age handling prefabricated bridge section sections is installed, and gluedd joint then gluing on contact surface of seam as adopting, and made seam closely connected, accomplished be connected (shown in Fig. 3 c) of prefabricated pier shaft and cushion cap.
Claims (7)
1. the joint construction of precast pier and cushion cap is characterized in that said bridge pier comprises prefabricated pier shaft and pier shaft bottom linkage section, and it is in aggregates that pier shaft bottom linkage section and cushion cap are built, and prefabricated pier shaft is arranged on bottom the pier shaft on the linkage section.
2. by the joint construction of described a kind of precast pier of claim 1 and cushion cap, it is characterized in that: be provided with shear connector between pier shaft bottom linkage section and the prefabricated pier shaft.
3. press the joint construction of described a kind of precast pier of claim 2 and cushion cap; It is characterized in that: said shear connector comprises recess or the protuberance that is arranged on linkage section top, pier shaft bottom, and prefabricated pier shaft bottom is provided with protuberance or the recess that matches with linkage section top, pier shaft bottom.
4. by the joint construction of described a kind of precast pier of claim 1 and cushion cap, it is characterized in that: adopt prestressed reinforcement or plain bars vertically to connect between said pier shaft bottom linkage section and the prefabricated pier shaft.
5. by the joint construction of described a kind of precast pier of claim 1 and cushion cap, it is characterized in that: the height of pier shaft bottom linkage section is 1m ~ 3m.
6. by the joint construction of the described a kind of precast pier of claim 1 and cushion cap, it is characterized in that linkage section is built with cushion cap bottom the pier shaft.
7. by the joint construction of described a kind of precast pier of claim 1 and cushion cap, it is characterized in that pier shaft bottom linkage section adopts the prefabricated subsection member to insert cushion cap, linkage section bottom, said pier shaft bottom reserved steel bar is connected with the cushion cap reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220174579XU CN202543789U (en) | 2012-04-24 | 2012-04-24 | Connection construction between precast pier and bearing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220174579XU CN202543789U (en) | 2012-04-24 | 2012-04-24 | Connection construction between precast pier and bearing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202543789U true CN202543789U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220174579XU Expired - Fee Related CN202543789U (en) | 2012-04-24 | 2012-04-24 | Connection construction between precast pier and bearing platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202543789U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708298A (en) * | 2018-05-25 | 2018-10-26 | 上海应用技术大学 | A kind of bridge pier rapid constructing method of old bridge reparation |
| CN108755388A (en) * | 2018-06-25 | 2018-11-06 | 谢岚 | Unit construction bridge girder construction and its construction method |
| CN109267474A (en) * | 2018-10-26 | 2019-01-25 | 中铁大桥局集团有限公司 | A kind of precast pier suitable for bridge spanning the sea |
| CN109267473A (en) * | 2018-10-26 | 2019-01-25 | 中铁大桥局集团有限公司 | Connect the wet seam component of cushion cap and precast bridge pier shaft |
| CN111379218A (en) * | 2020-04-17 | 2020-07-07 | 浙江省交通规划设计研究院有限公司 | Prefabricated pier body and prefabricated pier body installation method |
| CN112942078A (en) * | 2021-02-03 | 2021-06-11 | 中国地震局工程力学研究所 | L-shaped joint assembly type splicing pier |
| CN113202016A (en) * | 2020-03-14 | 2021-08-03 | 中国铁路设计集团有限公司 | Prefabricated assembled hollow pier suitable for high-earthquake area and construction method |
-
2012
- 2012-04-24 CN CN201220174579XU patent/CN202543789U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708298A (en) * | 2018-05-25 | 2018-10-26 | 上海应用技术大学 | A kind of bridge pier rapid constructing method of old bridge reparation |
| CN108755388A (en) * | 2018-06-25 | 2018-11-06 | 谢岚 | Unit construction bridge girder construction and its construction method |
| CN111749124A (en) * | 2018-06-25 | 2020-10-09 | 杜春 | Assembled bridge structure |
| CN111764262A (en) * | 2018-06-25 | 2020-10-13 | 杜春 | Construction method of assembled bridge structure |
| CN111764262B (en) * | 2018-06-25 | 2022-04-01 | 杜春 | Construction method of assembled bridge structure |
| CN109267474A (en) * | 2018-10-26 | 2019-01-25 | 中铁大桥局集团有限公司 | A kind of precast pier suitable for bridge spanning the sea |
| CN109267473A (en) * | 2018-10-26 | 2019-01-25 | 中铁大桥局集团有限公司 | Connect the wet seam component of cushion cap and precast bridge pier shaft |
| CN109267473B (en) * | 2018-10-26 | 2020-06-09 | 中铁大桥局集团有限公司 | Wet joint component for connecting bearing platform and prefabricated bridge pier body |
| CN109267474B (en) * | 2018-10-26 | 2020-07-17 | 中铁大桥局集团有限公司 | Prefabricated pier suitable for cross-sea bridge |
| CN113202016A (en) * | 2020-03-14 | 2021-08-03 | 中国铁路设计集团有限公司 | Prefabricated assembled hollow pier suitable for high-earthquake area and construction method |
| CN111379218A (en) * | 2020-04-17 | 2020-07-07 | 浙江省交通规划设计研究院有限公司 | Prefabricated pier body and prefabricated pier body installation method |
| CN112942078A (en) * | 2021-02-03 | 2021-06-11 | 中国地震局工程力学研究所 | L-shaped joint assembly type splicing 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 |
Granted publication date: 20121121 Termination date: 20210424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |