CN212247844U - Connecting structure of prefabricated pier column containing positioning structure and connected structure - Google Patents
Connecting structure of prefabricated pier column containing positioning structure and connected structure Download PDFInfo
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- CN212247844U CN212247844U CN202021779020.0U CN202021779020U CN212247844U CN 212247844 U CN212247844 U CN 212247844U CN 202021779020 U CN202021779020 U CN 202021779020U CN 212247844 U CN212247844 U CN 212247844U
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- shear key
- concrete shear
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Abstract
The utility model discloses a connecting structure of a prefabricated pier column containing a positioning structure and a connected structure, which comprises a prefabricated column and a connected structure; a pair of precast concrete shear key blocks matched with each other is respectively arranged at the central position of the lower end of the precast upright column and the central position of the connecting part of the connected structure and the precast upright column; the surfaces of the two precast concrete shear key blocks, which are spliced with each other, are respectively provided with a plurality of frustum-shaped tenons and grooves which are matched with each other; a plurality of upright post main ribs extending out of the lower end surface of the prefabricated upright post along the vertical direction are arranged at the positions of the lower end surface of the prefabricated upright post, which are positioned at the periphery of the corresponding prefabricated concrete shear key block; the connected structure is provided with longitudinal main ribs extending outwards in the wet joint layer corresponding to each upright post main rib; each upright post main rib is connected with the corresponding vertical main rib extending outwards in the wet joint layer. The utility model discloses simplified construction process, the construction is more swift, and the construction redundancy is lower, can also present multilayer reinforcing bar arrange prefabricated stand and by swift, reliable the assembling between the connecting elements.
Description
Technical Field
The utility model relates to a bridge construction technical field, in particular to contain the prefabricated pier stand of location structure and by connection structure's joint construction.
Background
With the acceleration of urbanization development, the construction requirements for rapidness, greenness and low influence in the bridge construction process are increasingly enhanced. The prefabrication and assembly technology of the bridge can be well adapted to the requirements in the aspect.
In the prior art, the existing bridge pier prefabrication connection mode mostly adopts connection forms such as grouting sleeves and grouting metal corrugated pipes, and the connection construction cost is high.
Moreover, when the stand column is stressed and needs to be provided with a plurality of layers of steel bars, the connection form cannot be applied, the construction is carried out in an integral cast-in-place mode, the construction period is longer, and the influence on the environment is larger.
Therefore, how to improve the prefabricated connection precision of the pier in the prior art and reduce the manufacturing cost becomes a technical problem which needs to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of prior art's above-mentioned defect, the utility model provides a contain the prefabricated pier stand of location structure and the connection structure by connection structure, the purpose of realization is that simplify construction process, improve the construction speed, reduce the construction redundancy, can realize moreover that the multilayer reinforcing bar arranges prefabricated stand and by swift, reliably assemble the connection between the connecting elements.
In order to achieve the purpose, the utility model discloses a connecting structure of a prefabricated pier stand column with a positioning structure and a connected structure, which comprises a prefabricated stand column and a connected structure; the lower ends of the prefabricated stand columns are connected with the connected structures through wet connection layers.
The center of the lower end of the prefabricated upright column and the center of the connecting part of the connected structure and the prefabricated upright column are respectively provided with a pair of prefabricated concrete shear key blocks which are matched with each other;
each precast concrete shear key block is pre-embedded at the lower end of the corresponding precast upright column and the central position of the connecting part of the corresponding connected structure and the precast upright column;
the surfaces of the two precast concrete shear key blocks, which are spliced with each other, are respectively provided with a plurality of frustum-shaped tenons and grooves which are matched with each other;
the tenon and the groove are arranged on the surfaces, used for being spliced, of the corresponding precast concrete shear key blocks in a rectangular array or annular array mode;
a plurality of upright post main ribs extending out of the lower end surface of the prefabricated upright post along the vertical direction are arranged at the positions, located on the periphery of the corresponding prefabricated concrete shear key blocks, of the lower end surface of the prefabricated upright post;
the positions of the connected structures, which are located around the corresponding precast concrete shear key blocks, correspond to each upright post main rib, and a longitudinal main rib extending outwards in a wet joint layer is arranged;
each upright post main rib is connected with the corresponding longitudinal main rib extending outwards in the wet joint layer, and the connected parts are located in the wet joint layer.
Preferably, the connected structure is a bearing platform or a cover beam.
Preferably, each tenon and the corresponding groove are of a truncated cone or a truncated pyramid.
Preferably, when multiple layers of vertical main ribs are arranged in the prefabricated pier column, each column main rib is connected with the corresponding longitudinal main rib extending outwards in the wet joint layer in a lap joint mode, and the wet joint layer is connected in a cast-in-place mode through UHPC materials.
Preferably, when single-layer vertical main reinforcements are arranged in the prefabricated pier columns, each column main reinforcement is connected with the corresponding vertical main reinforcement extending outwards in the wet joint layer in a mechanical connection mode.
Preferably, the distance between the lower section of the precast concrete shear key block embedded in the precast column and the surface of the precast concrete shear key block embedded in the connected structure is 200 mm to 300 mm.
Preferably, the contact surfaces of the plurality of frustum-shaped tenons and the grooves are coated with epoxy resin glue.
The utility model has the advantages that:
the utility model discloses an use and make construction process simpler, the construction is more swift, and the construction redundancy is lower, can present the prefabricated stand that the multilayer reinforcing bar arranged moreover and by swift, reliably assemble the connection between the connecting elements.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 shows a state diagram of a process of assembling a column and a connected structure in an embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of a lower end surface of a pillar according to an embodiment of the present invention.
Fig. 3 shows a schematic structural diagram of an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1 and fig. 3, the connecting structure of the prefabricated pier column with the positioning structure and the connected structure comprises a prefabricated column 1 and a connected structure 2; the lower end of the prefabricated upright post 1 is connected with the connected structure 2 through a wet joint layer 3.
Wherein, the center position of the lower end of the prefabricated upright post 1 and the center position of the connecting part of the connected structure 2 and the prefabricated upright post 1 are respectively provided with a pair of prefabricated concrete shear key blocks 4 which are matched with each other;
each precast concrete shear key block 4 is pre-embedded at the lower end of the corresponding precast upright post 1 and the central position of the connecting part of the corresponding connected structure 2 and the precast upright post 1;
the surfaces of the two precast concrete shear key blocks 4 which are spliced with each other are respectively provided with a plurality of frustum-shaped tenons 5 and grooves 6 which are matched with each other;
the tenon 5 and the groove 6 are arranged on the surfaces of the corresponding precast concrete shear key blocks 4 for mutual splicing in a rectangular array or annular array mode;
a plurality of upright post main ribs 7 extending out of the lower end surface of the prefabricated upright post 1 along the vertical direction are arranged at the lower end surface of the prefabricated upright post 1 and around the corresponding prefabricated concrete shear key block 4;
the positions of the connected structures 2 around the corresponding precast concrete shear key blocks 4 are provided with longitudinal main ribs 8 extending outwards in the wet joint layer corresponding to each upright post main rib 7;
each upright post main rib 7 is connected with a corresponding longitudinal main rib 8 extending outwards in the wet joint layer, and the connected parts are positioned in the wet joint layer 3.
The principle of the utility model is as follows:
the utility model can realize the rapid and reliable splicing connection between the prefabricated upright post 1 and the connected structure 2 which are arranged by single-layer and multi-layer steel bars; the prefabricated stand column 1 arranged by the single-layer steel bars has better economical efficiency, so that the construction process is simpler, the construction is quicker, and the construction redundancy is lower.
In some embodiments, the connected structure 2 is a cap or a capping beam.
In some embodiments, each tenon 5 and corresponding groove 6 are truncated cones or truncated pyramids.
In some embodiments, when multiple layers of vertical main ribs are arranged in the prefabricated pier column, each column main rib 7 is connected with the corresponding longitudinal main rib 8 extending outwards in the wet joint layer in an overlapping mode, and the wet joint layer 3 is connected in a cast-in-place mode through UHPC materials.
In some embodiments, when single-layer vertical main bars are arranged in the prefabricated pier stud, each stud main bar 7 is connected with the corresponding longitudinal main bar 8 extending outwards in the wet-jointed layer in a mechanical connection mode.
In some embodiments, the distance between the lower section of the precast concrete shear key block 4 embedded in the precast upright column 1 and the surface of the precast concrete shear key block 4 embedded in the connecting structure 2 is 200 mm to 300 mm.
In some embodiments, the contact surfaces of the plurality of frustum-shaped tenons and the plurality of grooves are coated with epoxy resin glue.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. The connecting structure of the prefabricated pier column containing the positioning structure and the connected structure comprises a prefabricated column (1) and a connected structure (2); the lower end of the prefabricated upright post (1) is connected with the connected structure (2) through a wet joint layer (3); the prefabricated concrete shear key is characterized in that a pair of prefabricated concrete shear key blocks (4) which are matched with each other are respectively arranged at the center of the lower end of the prefabricated upright post (1) and the center of the connecting part of the connected structure (2) and the prefabricated upright post (1);
each precast concrete shear key block (4) is pre-embedded at the lower end of the corresponding precast upright post (1) and the central position of the connecting part of the corresponding connected structure (2) and the precast upright post (1);
the surfaces, used for being spliced, of the two precast concrete shear key blocks (4) are respectively provided with a plurality of frustum-shaped tenons (5) and grooves (6) which are matched with each other;
the tenon (5) and the groove (6) are arranged on the surfaces, used for being spliced, of the corresponding precast concrete shear key blocks (4) in a rectangular array or annular array mode;
a plurality of upright post main ribs (7) extending out of the lower end surface of the prefabricated upright post (1) along the vertical direction are arranged at the positions, located on the periphery of the corresponding prefabricated concrete shear key blocks (4), of the lower end surface of the prefabricated upright post (1);
the positions of the connected structures (2) around the corresponding precast concrete shear key blocks (4) are provided with longitudinal main ribs (8) extending outwards in a wet joint layer corresponding to each upright post main rib (7);
each upright post main rib (7) is connected with a corresponding longitudinal main rib (8) extending outwards in the wet joint layer, and the connected part is positioned in the wet joint layer (3).
2. The connecting structure of prefabricated pier stud with positioning structure and connected structure according to claim 1, wherein the connected structure (2) is a bearing platform or a cap beam.
3. The connecting structure of prefabricated pier stud with positioning structure and connected structure as claimed in claim 1, wherein each tenon (5) and corresponding groove (6) are truncated cones or truncated pyramids.
4. The connecting structure of the prefabricated pier stud with the positioning structure and the connected structure as claimed in claim 1, wherein when a plurality of layers of vertical main ribs are arranged in the prefabricated pier stud, each column main rib (7) is connected with the corresponding longitudinal main rib (8) extending outwards in the wet joint layer in an overlapping manner, and the wet joint layer (3) is connected in a cast-in-place manner by UHPC material.
5. The connecting structure of the prefabricated pier stud with the positioning structure and the connected structure as claimed in claim 1, wherein when a single layer of vertical main ribs are arranged in the prefabricated pier stud, each column main rib (7) is connected with the corresponding longitudinal main rib (8) extending outwards in the wet joint layer in a mechanical connection mode.
6. The connecting structure of the precast pier stud with the positioning structure and the connected structure as claimed in claim 1, wherein the distance between the lower section of the precast concrete shear key block (4) embedded in the precast upright stud (1) and the surface of the connected structure (2) embedded in the precast concrete shear key block (4) is 200 mm to 300 mm.
7. The connecting structure of prefabricated pier stud with positioning structure and connected structure as claimed in claim 1, wherein the contact surfaces of the plurality of frustum-shaped tenons and grooves are coated with epoxy resin glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021779020.0U CN212247844U (en) | 2020-08-24 | 2020-08-24 | Connecting structure of prefabricated pier column containing positioning structure and connected structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021779020.0U CN212247844U (en) | 2020-08-24 | 2020-08-24 | Connecting structure of prefabricated pier column containing positioning structure and connected structure |
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| Publication Number | Publication Date |
|---|---|
| CN212247844U true CN212247844U (en) | 2020-12-29 |
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| CN202021779020.0U Active CN212247844U (en) | 2020-08-24 | 2020-08-24 | Connecting structure of prefabricated pier column containing positioning structure and connected structure |
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| CN (1) | CN212247844U (en) |
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2020
- 2020-08-24 CN CN202021779020.0U patent/CN212247844U/en active Active
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