CN213508015U - Prefabricated pier stud of assembled bridge - Google Patents
Prefabricated pier stud of assembled bridge Download PDFInfo
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- CN213508015U CN213508015U CN202022426283.XU CN202022426283U CN213508015U CN 213508015 U CN213508015 U CN 213508015U CN 202022426283 U CN202022426283 U CN 202022426283U CN 213508015 U CN213508015 U CN 213508015U
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- prefabricated pier
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Abstract
The utility model discloses a prefabricated pier stud of assembled bridge, including prefabricated pier stud body, the below of prefabricated pier stud body is equipped with cast-in-place cushion cap, cast-in-place cushion cap's top has been seted up and has been pour the groove, be equipped with the leveling layer on the bottom inner wall of pouring the groove, the bottom of prefabricated pier stud body extend to pour the inslot and with the top movable contact on leveling layer, the shear force groove has been seted up to the outside bottom of prefabricated pier stud body, it has pour first concrete to pour groove and shear force inslot, prefabricated pier stud body is fixed with cast-in-place cushion cap through first concrete, the top of prefabricated pier stud body is equipped with prefabricated bent cap, establish to the slope structure at the top of prefabricated bent cap, the left side of prefabricated bent cap is equipped with the bracket. The utility model relates to a rationally, be convenient for realize the assembly operation of the prefabricated pier stud of bridge through the mode of cast in situ, and cast-in-place cushion cap, ripple sleeve pipe, a plurality of reinforcing bar, the first concrete of shear force groove cooperation and second concrete, improved support connection stability, satisfy the user demand.
Description
Technical Field
The utility model relates to a prefabricated pier stud technical field of bridge especially relates to a prefabricated pier stud of assembled bridge.
Background
Along with the popularization of the prefabrication and assembly construction process in the construction of urban bridges or piers, the steel bar sleeve grouting connection technology is gradually applied to the vertical connection of prefabricated concrete components such as prefabricated piers and prefabricated capping beams, however, the existing prefabricated piers of bridges are low in supporting connection stability and cannot meet the use requirements in the mode of realizing the assembly of the prefabricated piers by adopting the steel bar sleeve grouting connection technology, and therefore the prefabricated piers of the prefabricated bridges are provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a prefabricated pier stud of an assembled bridge.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an assembled bridge prefabricated pier stud comprises a prefabricated pier stud body, wherein a cast-in-place cushion cap is arranged below the prefabricated pier stud body, a pouring groove is formed in the top of the cast-in-place cushion cap, a leveling layer is arranged on the inner wall of the bottom of the pouring groove, the bottom end of the prefabricated pier stud body extends into the pouring groove and is in movable contact with the top of the leveling layer, a shear groove is formed in the bottom of the outer side of the prefabricated pier stud body, first concrete is poured in the pouring groove and the shear groove, the prefabricated pier stud body is fixed with the cast-in-place cushion cap through the first concrete, a prefabricated cover beam is arranged above the prefabricated pier stud body, the top of the prefabricated cover beam is of an inclined structure, a bracket is arranged on the left side of the prefabricated cover beam, a galvanized corrugated pipe is reserved in the prefabricated cover beam, a plurality of reinforcing steel bars are reserved on the top of the prefabricated pier stud body, the galvanized corrugated pipe is sleeved with the reinforcing steel bars, second concrete is poured, and a plurality of steel bars are fixed in the galvanized corrugated pipe through second concrete.
Preferably, the first concrete and the second concrete are both C50 steel fiber concrete.
Preferably, the slope of the inclined structure is 3.5%.
Preferably, prefabricated bent cap is T shape structure, prefabricated bent cap and prefabricated pier stud body 3 between and between cast-in-place cushion cap and the prefabricated pier stud body all be crude concave surface, and crude concave surface degree of depth is not less than 6 mm.
Preferably, the thickness of the steel strip of the galvanized corrugated pipe is not less than 0.40mm, and the height of the corrugated pipe rib of the galvanized corrugated pipe is not less than 3.1 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the prefabricated pier stud assembly method comprises the steps of firstly casting the cast-in-situ bearing platform, the prefabricated pier stud body and the prefabricated capping beam on site, embedding the prefabricated pier stud body in the casting groove, realizing the connection of the cast-in-situ bearing platform and the prefabricated pier stud body by casting the first concrete, then inserting a plurality of steel bars reserved on the prefabricated pier stud body into the galvanized corrugated pipe on the prefabricated capping beam, and realizing the connection of the plurality of steel bars and the galvanized corrugated pipe by casting the second concrete, so that the assembly operation of the whole prefabricated pier stud of the bridge is realized.
The utility model relates to a rationally, be convenient for realize the assembly operation of the prefabricated pier stud of bridge through the mode of cast in situ, and cast-in-place cushion cap, ripple sleeve pipe, a plurality of reinforcing bar, the first concrete of shear force groove cooperation and second concrete, improved support connection stability, satisfy the user demand.
Drawings
Fig. 1 is a schematic sectional structural view of an assembled bridge prefabricated pier stud provided by the utility model;
fig. 2 is a schematic sectional structure view from above of the unconnected state of the precast capping beam and the galvanized corrugated pipe in fig. 1.
In the figure: the cast-in-place pier comprises a cast-in-place cushion cap 1, a cast-in-place groove 2, a prefabricated pier column body 3, first concrete 4, a prefabricated capping beam 5, a galvanized corrugated pipe 6, a hollow structure 7, reinforcing steel bars 8, a leveling layer 9, an inclined structure 10, brackets 11 and shear grooves 12.
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.
Referring to fig. 1-2, an assembled bridge prefabricated pier stud comprises a prefabricated pier stud body 3, a cast-in-place bearing platform 1 is arranged below the prefabricated pier stud body 3, a pouring groove 2 is formed in the top of the cast-in-place bearing platform 1, a leveling layer 9 is arranged on the inner wall of the bottom of the pouring groove 2, the bottom end of the prefabricated pier stud body 3 extends into the pouring groove 2 and is in movable contact with the top of the leveling layer 9, a shear groove 12 is formed in the bottom of the outer side of the prefabricated pier stud body 3, first concrete 4 is poured in the pouring groove 2 and the shear groove 12, the prefabricated pier stud body 3 is fixed with the cast-in-place bearing platform 1 through the first concrete 4, a prefabricated cover beam 5 is arranged above the prefabricated pier stud body 3, the top of the prefabricated cover beam 5 is arranged to be an inclined structure 10, a bracket 11 is arranged on the left side of the prefabricated cover beam 5, a zinc-plated corrugated pipe 6 is reserved in the prefabricated cover beam 5, a plurality of reinforcing steel, 6 covers of galvanized corrugated pipe are established on a plurality of reinforcing bars 8, has pour the second concrete in the galvanized corrugated pipe 6 and reserve and hollow 7, and a plurality of reinforcing bars 8 pass through the second concrete to be fixed in galvanized corrugated pipe 6, the utility model relates to a rationally, be convenient for realize the assembly operation of the prefabricated pier stud of bridge through the mode of site pouring, and cast-in-place cushion cap 1, ripple sleeve 6, a plurality of reinforcing bars 8, shear force groove 12 cooperation first concrete 4 and second concrete have improved support connection stability, satisfy the user demand.
The utility model discloses in, first concrete 4 and second concrete are C50 steel fiber concrete, and the slope of slope structure 10 is 3.5%, and prefabricated bent cap 5 is T shape structure, is crude concave surface between prefabricated bent cap 5 and the prefabricated pier stud body 3 and between cast-in-place cushion cap 1 and the prefabricated pier stud body 3, and the crude concave surface degree of depth is not less than 6mm, and galvanized corrugated pipe 6's steel band thickness is not less than 0.40mm, and galvanized corrugated pipe 6's bellows rib height is not less than 3.1mm, the utility model relates to a rationally, be convenient for realize the assembly operation of prefabricated pier stud of bridge through the mode of pouring on-the-spot, and cast-in-place cushion cap 1, corrugated sleeve 6, a plurality of reinforcing bars 8, shear force groove 12 cooperation first concrete 4 and second concrete, improved support connection stability, satisfy the user demand.
The working principle is as follows: when the assembly operation is carried out, firstly, a cast-in-place cushion cap 1, a prefabricated pier stud body 3 and a prefabricated capping beam 5 are cast in situ, a plurality of reinforcing steel bars 8 are reserved at the top of the prefabricated pier stud body 3, a galvanized corrugated pipe 6 is reserved in the prefabricated capping beam 5, the prefabricated pier stud body 3 is pre-embedded in a casting groove 2, the connection between the cast-in-place cushion cap 1 and the prefabricated pier stud body 3 is realized by casting first concrete 4, then, the reinforcing steel bars 8 are inserted into the galvanized corrugated pipe 6, the connection between the reinforcing steel bars 8 and the galvanized corrugated pipe 6 is realized by casting second concrete, so that the connection between the prefabricated capping beam 5 and the prefabricated pier stud body 3 is realized, the assembly operation of the whole prefabricated pier stud of the bridge is realized, the connection between two adjacent prefabricated pier studs of the bridge can be realized by a bracket 11, the assembly operation of the prefabricated pier stud of the bridge is conveniently realized by the cast-in-situ casting mode, the cushion cap 1, the support stability is improved, and the corrugated sleeve 6, the plurality of steel bars 8 and the shear grooves 12 are matched with the first concrete 4 and the second concrete to improve the connection stability.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. An assembled bridge prefabricated pier stud comprises a prefabricated pier stud body (3) and is characterized in that a cast-in-place cushion cap (1) is arranged below the prefabricated pier stud body (3), a pouring groove (2) is formed in the top of the cast-in-place cushion cap (1), a leveling layer (9) is arranged on the inner wall of the bottom of the pouring groove (2), the bottom end of the prefabricated pier stud body (3) extends into the pouring groove (2) and is in movable contact with the top of the leveling layer (9), a shear groove (12) is formed in the bottom of the outer side of the prefabricated pier stud body (3), first concrete (4) is poured in the pouring groove (2) and the shear groove (12), the prefabricated pier stud body (3) is fixed with the cast-in-place cushion cap (1) through the first concrete (4), a prefabricated capping beam (5) is arranged above the prefabricated pier stud body (3), the top of the prefabricated capping beam (5) is arranged to be an inclined structure (10), the left side of prefabricated bent cap (5) is equipped with bracket (11), it has galvanized corrugated pipe (6) to reserve in prefabricated bent cap (5), the top of prefabricated pier stud body (3) is reserved has a plurality of reinforcing bars (8), galvanized corrugated pipe (6) cover is established on a plurality of reinforcing bars (8), the second concrete has been pour in galvanized corrugated pipe (6) and reserve and hollow (7), a plurality of reinforcing bars (8) are fixed in galvanized corrugated pipe (6) through the second concrete.
2. An assembled bridge prefabricated pier according to claim 1, wherein the first concrete (4) and the second concrete are both C50 steel fiber concrete.
3. An assembled bridge prefabricated pier according to claim 1, wherein the slope of the inclined structure (10) is 3.5%.
4. The prefabricated pier stud of the assembled bridge according to claim 1, wherein the prefabricated capping beam (5) is of a T-shaped structure, rough concave surfaces are formed between the prefabricated capping beam (5) and the prefabricated pier stud body (3) and between the cast-in-place bearing platform (1) and the prefabricated pier stud body (3), and the depth of each rough concave surface is not less than 6 mm.
5. An assembled bridge prefabricated pier stud according to claim 1, wherein the thickness of the steel strip of the galvanized corrugated pipe (6) is not less than 0.40mm, and the height of the corrugated pipe rib of the galvanized corrugated pipe (6) is not less than 3.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022426283.XU CN213508015U (en) | 2020-10-28 | 2020-10-28 | Prefabricated pier stud of assembled bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022426283.XU CN213508015U (en) | 2020-10-28 | 2020-10-28 | Prefabricated pier stud of assembled bridge |
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| Publication Number | Publication Date |
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| CN213508015U true CN213508015U (en) | 2021-06-22 |
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| CN202022426283.XU Active CN213508015U (en) | 2020-10-28 | 2020-10-28 | Prefabricated pier stud of assembled bridge |
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| CN (1) | CN213508015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463520A (en) * | 2021-07-27 | 2021-10-01 | 中建五局土木工程有限公司 | Prefabrication and hoisting construction method for hollow thin-wall high pier diaphragm plate |
| CN113481827A (en) * | 2021-07-23 | 2021-10-08 | 中铁上海工程局集团有限公司 | Assembled bridge connection structure |
-
2020
- 2020-10-28 CN CN202022426283.XU patent/CN213508015U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113481827A (en) * | 2021-07-23 | 2021-10-08 | 中铁上海工程局集团有限公司 | Assembled bridge connection structure |
| CN113481827B (en) * | 2021-07-23 | 2022-09-27 | 中铁上海工程局集团有限公司 | Assembled bridge connection structure |
| CN113463520A (en) * | 2021-07-27 | 2021-10-01 | 中建五局土木工程有限公司 | Prefabrication and hoisting construction method for hollow thin-wall high pier diaphragm plate |
| CN113463520B (en) * | 2021-07-27 | 2022-05-20 | 中建五局土木工程有限公司 | Prefabricated hoisting construction method for hollow thin-wall high pier diaphragm plate |
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