CN220579780U - Connection structure of bearing platform and prefabricated pier using concave groove - Google Patents
Connection structure of bearing platform and prefabricated pier using concave groove Download PDFInfo
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- CN220579780U CN220579780U CN202321150730.0U CN202321150730U CN220579780U CN 220579780 U CN220579780 U CN 220579780U CN 202321150730 U CN202321150730 U CN 202321150730U CN 220579780 U CN220579780 U CN 220579780U
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000011372 high-strength concrete Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 15
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model belongs to the technical field of bridge engineering, and relates to a connecting structure of a bearing platform and a prefabricated pier by using a concave groove, which comprises the prefabricated pier (1), wherein the bearing platform (2) and a standard joint (3), and the standard joint (3) is connected with the prefabricated pier (1) through a PBL shear connector (4); four corresponding rectangular inserting grooves (7) are formed in the bottoms of the four supporting columns of the standard joint (3), and two joint vertical preformed holes (8) are formed in the rectangular inserting grooves (7); the bearing platform (2) comprises a rectangular groove (5), the rectangular groove (5) is internally provided with supporting legs (6) corresponding to the four rectangular inserting grooves (7), and the supporting legs (6) are provided with supporting leg vertical preformed holes (9) corresponding to the positions of the section vertical preformed holes (8); the utility model can realize the quick connection between the prefabricated bridge pier (1) and the bearing platform (2), and has high precision, good applicability and guaranteed quality.
Description
Technical Field
The utility model relates to the technical field of assembled piers, and belongs to a connecting structure of a bearing platform and a prefabricated pier by using a concave groove.
Background
In bridge construction engineering, based on the influence of various factors such as geographic conditions, cost control and construction efficiency, more and more bridge structures adopt an assembly type construction mode, and the construction technology gradually develops to industrialization, assembly and standardization. With the continuous decrease of construction labor workers and operators, the shortage problem of high quality construction operators is more and more prominent, and the development of assembly type construction is more and more required to be quickened so as to meet the current construction requirements.
The prefabricated bridge pier (pier column) and the bearing platform are taken as important components for the construction of the prefabricated bridge, and the technical development path of the prefabricated bridge pier (pier column) and the bearing platform is paid attention to. The prefabricated pier column and the cast-in-situ bearing platform are of separate structures, and the prefabricated pier column cannot adopt a connecting structure identical to a cast-in-situ mode because the prefabricated pier column is a prefabricated member, so that the convenience of assembly of the prefabricated pier column and the cast-in-situ bearing platform is ensured, the stress of the assembled bridge integral structure meets the normal use requirement, and the connecting structure of the pier column and the bearing platform suitable for assembly construction is required to be designed, so that the strength and the stability of a connecting node are ensured.
Disclosure of Invention
The utility model aims to solve the technical problems, and provides a connecting structure of a bearing platform and a prefabricated pier by using a concave groove, which realizes industrialization, standardization, assembly and rapidness of bridge construction, and the connecting structure can flexibly change the number of used components and the types of used materials to adapt to complex actual conditions, improve construction precision and reduce manual work on the premise of ensuring construction quality.
In order to achieve the above purpose, the utility model adopts the following technical scheme that the connecting structure of the bearing platform and the prefabricated pier by using the concave groove comprises the prefabricated pier, the bearing platform and the standard joint, and the standard joint and the prefabricated pier are connected through a PBL shear connector; four rectangular inserting grooves are correspondingly formed in the bottoms of the four support columns of the standard section, and two section vertical reserved holes are formed in the rectangular inserting grooves; the bearing platform comprises a rectangular groove, supporting legs corresponding to the four rectangular inserting grooves on the standard section are arranged in the rectangular groove, and vertical supporting leg reserved holes corresponding to the vertical reserved holes of the upper section of the standard section are formed in the supporting legs.
After the prefabricated pier is inserted into the rectangular groove, the vertical reserved holes of the joints are overlapped with the vertical reserved holes of the supporting legs, the supporting legs are connected with the rectangular insertion groove through high-strength bolts inserted into the vertical reserved holes, and the prefabricated pier is connected with the bearing platform through pouring high-strength concrete in the rectangular groove.
The rectangular groove is positioned at the center of the upper surface of the bearing platform, the size of the rectangular groove is 1.1-1.3 times of that of the prefabricated pier, enough reserved space is ensured to facilitate the high-strength bolts to be inserted into the vertical reserved holes, and the depth of the rectangular groove is 1.1-1.3 times of the height of the standard section.
The number of the PBL shear connectors is increased or decreased according to the design shear force, and the PBL shear connectors are arranged on the upper and lower beams of the standard section and are arranged around the prefabricated bridge pier.
Four landing leg bottoms in rectangular recess on the cushion cap pass through the reinforcing bar net and link to each other with the cushion cap.
The size of the supporting leg is matched with that of the rectangular inserting groove, the height of the supporting leg in the rectangular groove is consistent with the depth of the rectangular inserting groove, the lower part of the supporting leg is a rectangular component, the upper part of the supporting leg is a trapezoid component with the upper part being narrow and the lower part being wide, and the length of the upper edge of the trapezoid is 0.6-0.8 times of that of the lower edge of the trapezoid.
The diameters of the section vertical preformed holes and the supporting leg vertical preformed holes are determined by high-strength bolts which are designed and used, and the clear distance between the vertical preformed holes is 5-15cm.
The standard section is a steel space truss structure, and the section form of the prefabricated pier is rectangular or circular.
The utility model has the beneficial effects that:
the connecting structure of the bearing platform and the prefabricated pier, which is disclosed by the utility model, has the advantages that the prefabricated pier column and the cast-in-situ bearing platform are effectively connected, the structure is reasonable, the connection is stable, the assembly is simple and efficient, the construction can be performed by adopting machinery during the on-site assembly construction, the safety and the operability are strong, the splicing precision is high, and the connecting structure can be popularized and applied in assembled bridges.
Drawings
FIG. 1 is a schematic view of the structure of the prefabricated pier and the bearing platform in the utility model when the prefabricated pier and the bearing platform are spliced;
FIG. 2 is a schematic view of a standard knot of the present utility model;
FIG. 3 is a schematic view of the structure of the bearing platform of the present utility model;
FIG. 4 is a schematic structural view of the prefabricated bridge pier and the bearing platform after connection;
FIG. 5 is a schematic front view of the prefabricated bridge pier of the present utility model after connection with the deck;
fig. 6 is a schematic side view of the prefabricated bridge pier of the present utility model after connection with the deck.
In the attached drawings, 1 is a prefabricated bridge pier; 2 is a bearing platform; 3 is a standard section; 4 is a PBL shear connector; 5 is a rectangular groove on the bearing platform; 6 is a supporting leg in the bearing platform; 7 is a rectangular inserting groove on the standard section; 8 is a vertical preformed hole on the standard section; and 9 is a vertical preformed hole on the supporting leg.
Detailed Description
For a more complete understanding of the technical features, objects and effects of the present utility model, specific embodiments of the present utility model will now be described with reference to the following drawings.
Referring to fig. 1 to 6, in the embodiment of the present utility model, a connection structure between a bearing platform and a prefabricated pier using a concave groove includes a prefabricated pier 1, a bearing platform 2 and a standard joint 3, wherein the standard joint 3 is connected with the prefabricated pier 1 through a PBL shear connector 4; four rectangular inserting grooves 7 are correspondingly formed in the bottoms of the four supporting columns of the standard section 3, and two section vertical reserved holes 8 are formed in the rectangular inserting grooves 7; the bearing platform 2 comprises a rectangular groove 5, the rectangular groove 5 is internally provided with supporting legs 6 corresponding to the four rectangular inserting grooves 7, and the supporting legs 6 are provided with supporting leg vertical preformed holes 9 corresponding to the joint vertical preformed holes 8.
In the specific embodiment, after the prefabricated pier 1 is inserted into the rectangular groove 5, the section vertical preformed hole 8 is overlapped with the support leg vertical preformed hole 9, the support leg 6 and the rectangular insertion groove 7 are connected through the high-strength bolts 10 inserted into the vertical preformed holes, and the prefabricated pier 1 and the bearing platform 2 are connected through pouring high-strength concrete 11 in the rectangular groove 5.
Further, the rectangular groove 5 is located at the center of the upper surface of the bearing platform 2, the size of the rectangular groove 5 is 1.1-1.3 times that of the prefabricated pier 1, enough reserved space is ensured to facilitate the high-strength bolts 10 to be inserted into the vertical reserved holes, and the depth of the rectangular groove 5 is 1.1-1.3 times that of the standard section 3.
Further, the number of the PBL shear connectors 4 is increased or decreased according to the design shear force, and the PBL shear connectors are arranged on the upper beam and the lower beam of the standard section 3 and are arranged around the prefabricated pier 1.
Further, the bottoms of the four supporting legs 6 in the rectangular groove 5 are connected with the bearing platform 2 through the reinforcing mesh 12.
Further, the size of the supporting leg 6 is matched with that of the rectangular inserting groove 7, the height of the supporting leg 6 in the rectangular groove 5 is identical with the depth of the rectangular inserting groove 7, the lower part of the supporting leg is a rectangular component, the upper part of the supporting leg is a trapezoid component with the upper part being narrow and the lower part being wide, and the length of the upper edge of the trapezoid is 0.6-0.8 times of that of the lower edge.
Further, the diameters of the section vertical reserved holes 8 and the supporting leg vertical reserved holes 9 are determined by the designed high-strength bolts 10, and the clear distance between the vertical reserved holes is 5-15cm.
Further, the standard section 3 is a steel space truss structure, and the cross section of the prefabricated pier 1 is rectangular or circular.
The utility model is not limited to the specific embodiments described above. Any equivalent modifications and substitutions for this utility model will occur to those skilled in the art, and are intended to be within the scope of this utility model. Accordingly, equivalent changes and modifications are intended to be included within the scope of the present utility model without departing from the spirit and scope thereof.
Claims (8)
1. The connecting structure of the bearing platform and the prefabricated bridge pier by using the concave groove is characterized by comprising the prefabricated bridge pier (1), wherein the bearing platform (2) is connected with the standard joint (3), and the standard joint (3) is connected with the prefabricated bridge pier (1) through a PBL shear connector (4); four corresponding rectangular inserting grooves (7) are formed in the bottoms of the four supporting columns of the standard joint (3), and two joint vertical preformed holes (8) are formed in the rectangular inserting grooves (7); the bearing platform (2) comprises a rectangular groove (5), the rectangular groove (5) is internally provided with supporting legs (6) corresponding to the four rectangular inserting grooves (7), and the supporting legs (6) are provided with supporting leg vertical preformed holes (9) corresponding to the positions of the section vertical preformed holes (8).
2. The connection structure of a bearing platform and a prefabricated pier using a concave groove according to claim 1, wherein after the prefabricated pier (1) is inserted into the rectangular groove (5), the section vertical preformed hole (8) coincides with the support leg vertical preformed hole (9), the support leg (6) and the rectangular insertion groove (7) are connected through high-strength bolts (10) inserted into the vertical preformed holes, and the prefabricated pier (1) and the bearing platform (2) are connected through pouring high-strength concrete (11) in the rectangular groove (5).
3. The connection structure of the bearing platform and the prefabricated pier using the concave groove according to claim 1, wherein the rectangular groove (5) is positioned at the center of the upper surface of the bearing platform (2), the size of the rectangular groove (5) is 1.1-1.3 times that of the prefabricated pier (1), enough reserved space is ensured to facilitate the high-strength bolts (10) to be inserted into the vertical reserved holes, and the depth of the rectangular groove (5) is 1.1-1.3 times that of the standard section (3).
4. The connecting structure of the bearing platform and the prefabricated pier by using the concave groove according to claim 1, wherein the number of the PBL shear connectors (4) is increased or decreased according to the design shear force, the PBL shear connectors are arranged on the upper beam and the lower beam of the standard section (3) and are arranged around the prefabricated pier (1).
5. The connection structure of a bearing platform and a prefabricated pier using a concave groove according to claim 1, wherein the bottoms of four supporting legs (6) in the rectangular groove (5) are connected with the bearing platform (2) through a reinforcing mesh (12).
6. The connecting structure of the bearing platform and the prefabricated pier by using the concave groove according to claim 1, wherein the size of the supporting leg (6) is matched with the rectangular inserting groove (7), the height of the supporting leg (6) in the rectangular groove (5) is consistent with the depth of the rectangular inserting groove (7), the lower part of the supporting leg is a rectangular component, the upper part of the supporting leg is a trapezoid component with the upper part being narrow and the lower part being wide, and the length of the upper side of the trapezoid is 0.6-0.8 times of the length of the lower side of the trapezoid.
7. The connecting structure of the bearing platform and the prefabricated pier by using the concave groove according to claim 1, wherein the diameters of the section vertical preformed holes (8) and the supporting leg vertical preformed holes (9) are determined by the designed high-strength bolts (10), and the clearance between the vertical preformed holes is 5-15cm.
8. The connection structure of a cap and a prefabricated pier using a concave groove according to claim 1, wherein the standard section (3) is a steel space truss structure, and the section of the prefabricated pier (1) is rectangular or circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321150730.0U CN220579780U (en) | 2023-05-12 | 2023-05-12 | Connection structure of bearing platform and prefabricated pier using concave groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321150730.0U CN220579780U (en) | 2023-05-12 | 2023-05-12 | Connection structure of bearing platform and prefabricated pier using concave groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220579780U true CN220579780U (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321150730.0U Active CN220579780U (en) | 2023-05-12 | 2023-05-12 | Connection structure of bearing platform and prefabricated pier using concave groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220579780U (en) |
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2023
- 2023-05-12 CN CN202321150730.0U patent/CN220579780U/en active Active
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