CN216766526U - Steel column and concrete cushion cap connection structure - Google Patents
Steel column and concrete cushion cap connection structure Download PDFInfo
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- CN216766526U CN216766526U CN202220260136.6U CN202220260136U CN216766526U CN 216766526 U CN216766526 U CN 216766526U CN 202220260136 U CN202220260136 U CN 202220260136U CN 216766526 U CN216766526 U CN 216766526U
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Abstract
The utility model discloses a connecting structure of a steel column and a concrete bearing platform in the field of fabricated buildings, wherein a connecting seat is arranged at the connecting position of the steel column and the concrete bearing platform and comprises a rectangular cavity, the lower end of the steel column is inserted into the rectangular cavity, reinforcing longitudinal ribs are arranged on the periphery in the rectangular cavity, the bottoms of the reinforcing longitudinal ribs extend into the concrete bearing platform, studs are perpendicularly welded on the periphery of the lower end of the steel column, a flange plate is welded at the bottom of the steel column, connecting bolts are preset in the concrete bearing platform, the rod parts of the connecting bolts are connected with the flange plate, and post-cast concrete is arranged in the rectangular cavity. The steel column and concrete bearing platform connecting structure has the advantages of convenience in construction, stability in connection, high reliability and the like.
Description
Technical Field
The utility model relates to the field of assembly type buildings, in particular to a connecting structure of a steel column and a concrete bearing platform.
Background
In the field of buildings, the demands of people on building industrialization are changed silently, concepts such as green buildings, sustainable development, energy conservation and emission reduction are gradually deeply paid attention to, and the conversion from the traditional extensive building production mode to intensive building becomes a key problem facing the current building industry. Under the background of the large environment, the assembly type building not only breaks through the limitation in the traditional house construction process, provides effective guarantee for the construction quality of the building engineering by utilizing advanced technical means, but also can effectively solve the phenomenon of labor resource shortage in the building market. Currently, the structural forms of the prefabricated building are mainly divided into a prefabricated concrete building and a prefabricated steel structure construction. Because the construction price of the fabricated concrete is relatively low, the fabricated concrete is widely applied to actual engineering. In the fabricated concrete building in the prior art, the bearing platform is usually of a concrete structure, and the upright posts are steel columns, so that how to ensure the convenience and reliability of connection between the steel columns and the concrete bearing platform is an important problem to be faced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a connecting structure of a steel column and a concrete bearing platform, which improves the convenience and reliability of connection of the steel column and the concrete bearing platform.
The purpose of the utility model is realized by the following steps: the utility model provides a steel column and concrete cushion cap connection structure, the steel column is equipped with the connecting seat with concrete cushion cap hookup location, the connecting seat includes the rectangle cavity, in the steel column lower extreme inserted the rectangle cavity, be equipped with all around in the rectangle cavity and strengthen indulging the muscle, strengthen indulging in the muscle bottom stretches into the concrete cushion cap, the steel column lower extreme has welded the peg all around perpendicularly, the bottom welding has the ring flange, connecting bolt has been preset in the concrete cushion cap, connecting bolt pole portion is connected with the ring flange, water the concrete after being equipped with in the rectangle cavity. According to the connecting structure of the steel column and the concrete bearing platform, the reliability of the connecting position is effectively improved by additionally arranging the connecting seat.
As a further improvement of the utility model, a fine aggregate concrete secondary grouting layer is arranged at the position of the concrete bearing platform corresponding to the connection position of the steel column. In the concrete cushion cap pouring process, the connecting bolts are likely to shift, so that the connecting bolts and the flange plate mounting holes are difficult to align, the concrete cushion cap can only be leveled through the gaskets and the nuts, the connecting positions of the concrete cushion cap corresponding to the steel columns are provided with the fine aggregate concrete secondary grouting layer, the concrete cushion cap can be guaranteed to be connected to form bearing positions after the connection is completed, the reliability of the connecting positions is improved, and the service life of a building is guaranteed.
As a further improvement of the utility model, a foundation straining beam is arranged between the steel columns and connected on a connecting seat, a secondary poured concrete layer is arranged at the upper end of the connecting seat and surrounds the steel columns, and a steel wire mesh is arranged in the secondary poured concrete layer. Further improving the stability and reliability of the connection.
As a further improvement of the utility model, an upper C-shaped reinforcing rib and a lower C-shaped reinforcing rib are oppositely arranged on the opening in the concrete bearing platform, and reinforcing stirrups are respectively connected between the upper C-shaped reinforcing ribs and between the lower C-shaped reinforcing ribs. The bearing platform is prevented from being influenced by the strength of the bearing platform due to construction of expansion caused by heat and contraction caused by cold and the like, and the surface of the bearing platform is prevented from cracking.
As a further improvement of the utility model, the upper end and the lower end of the reinforced longitudinal bar are both provided with inward horizontal bending edges, so that the connection strength is improved.
As a further improvement of the utility model, a reinforcing transverse rib is connected between the reinforcing longitudinal ribs to ensure the structural strength.
As a further improvement of the utility model, gaskets and leveling nuts are arranged on the upper surface and the lower surface of the connecting position of the flange plate and the connecting bolt, so that the connecting efficiency is improved.
Drawings
Fig. 1 is a schematic view of a steel column and concrete cap connection structure according to the present invention.
Wherein, 1 steel column, 2 concrete cushion caps, 3 connecting seats, 4 strengthen the muscle of indulging, 4A level limit of bending, 5 strengthen horizontal muscle, 6 pegs, 7 ring flanges, 8 connecting bolt, 9 pea gravel concrete secondary grout layers, 10 basic straining beams, 11 secondary concreting layers, 12 last C type strengthening ribs, 13 lower C type strengthening ribs, 14 reinforcement stirrup.
Detailed Description
As shown in fig. 1, in the connection structure of the steel column and the concrete bearing platform, a connection seat 3 is arranged at the connection position of the steel column 1 and the concrete bearing platform 2.
The connecting seat 3 comprises a rectangular cavity, and the lower end of the steel column 1 is inserted into the rectangular cavity. The reinforcing longitudinal ribs 4 are arranged on the periphery in the rectangular cavity, and the bottoms of the reinforcing longitudinal ribs 4 extend into the concrete bearing platform 2. The upper end and the lower end of the reinforced longitudinal bar 4 are both provided with an inward horizontal bending edge 4A, and a reinforced transverse bar 5 is connected between the reinforced longitudinal bars 4.
The periphery of the lower end of the steel column 1 is vertically welded with studs 6, the bottom of the steel column is welded with a flange 7, connecting bolts 8 are preset in the concrete bearing platform 2, and the rod parts of the connecting bolts 8 are connected with the flange 7. And a fine aggregate concrete secondary grouting layer 9 is arranged at the connecting position of the concrete bearing platform 2 corresponding to the steel column 1. In the pouring process of the concrete bearing platform 2, the connecting bolts 8 are likely to shift, so that the mounting holes of the connecting bolts and the flange plate 7 are difficult to align, and gaskets and leveling nuts are arranged on the upper surface and the lower surface of the connecting positions of the flange plate 7 and the connecting bolts 8 so as to reduce the connecting difficulty. After the connection is finished, grouting is carried out on the concrete bearing platform 2 corresponding to the connection position of the steel column 1 to form a fine aggregate concrete secondary grouting layer 9, so that the concrete bearing platform 2 becomes a bearing part after the connection is finished, the reliability of the connection position is improved, and the service life of the building is ensured.
Be equipped with basic straining beam 10 between steel column 1, basic straining beam 10 is connected on connecting seat 3, and connecting seat 3 upper end is equipped with secondary concreting layer 11, and secondary concreting layer 11 sets up around steel column 1, is equipped with the wire net in the secondary concreting layer 11 to further improve the stability and the reliability of connecting.
The inner opening of the concrete bearing platform 2 is provided with an upper C-shaped reinforcing rib 12 and a lower C-shaped reinforcing rib 13 which are opposite, and reinforcing stirrups 14 are respectively connected between the upper C-shaped reinforcing ribs 12 and between the lower C-shaped reinforcing ribs 13. The bearing platform is prevented from being influenced by the strength of the bearing platform due to construction of expansion caused by heat and contraction caused by cold and the like, and the surface of the bearing platform is prevented from cracking.
The steel column and concrete bearing platform connection structure of this embodiment, the work progress as follows:
(1) completing the initial construction of the concrete bearing platform 2, and prefabricating reinforcing longitudinal ribs 4 and connecting bolts 8 in the concrete bearing platform 2;
(2) welding the reinforcing transverse ribs 5 is completed, the lower end of the steel column 1 is inserted into a rectangular cavity enclosed by the reinforcing longitudinal ribs 4 and the reinforcing transverse ribs 5, and the lower end of the steel column 1 is preset with a stud 6 and a flange 7;
(3) completing the connection of the flange plate 7 and the connecting bolt 8, and then grouting the concrete bearing platform 2 corresponding to the connecting position of the steel column 1 to form a fine aggregate concrete secondary grouting layer 9;
(4) concrete is poured in the steel column 1 and the rectangular cavity, and the outer surfaces of the reinforcing longitudinal ribs 4 and the reinforcing transverse ribs 5 are covered with the concrete;
(5) connecting basic tension beams 10 among the steel columns 1;
(6) and arranging a steel wire mesh at the upper end of the connecting seat 3 and completing the pouring of the secondary pouring concrete layer 11.
The connection structure of the steel column and the concrete bearing platform has the advantages of convenience in construction, stability in connection, high reliability and the like.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a steel column and concrete cushion cap connection structure which characterized in that: the concrete pile is characterized in that a connecting seat is arranged at the connecting position of the steel column and the concrete bearing platform, the connecting seat comprises a rectangular cavity, the lower end of the steel column is inserted into the rectangular cavity, reinforcing longitudinal ribs are arranged in the rectangular cavity, the bottoms of the reinforcing longitudinal ribs stretch into the concrete bearing platform, studs are welded to the periphery of the lower end of the steel column vertically, a flange plate is welded to the bottom of the steel column, connecting bolts are preset in the concrete bearing platform, the rod parts of the connecting bolts are connected with the flange plate, and post-cast concrete is arranged in the rectangular cavity.
2. The steel column and concrete cap connection structure according to claim 1, wherein: and a fine aggregate concrete secondary grouting layer is arranged at the connecting position of the concrete bearing platform corresponding to the steel column.
3. The steel column and concrete cap connection structure according to claim 1, wherein: the steel column is characterized in that a foundation straining beam is arranged between the steel columns and connected to the connecting seat, a secondary pouring concrete layer is arranged at the upper end of the connecting seat and arranged around the steel columns, and a steel wire mesh is arranged in the secondary pouring concrete layer.
4. The steel column and concrete cap connection structure according to claim 1, wherein: the concrete cushion cap is characterized in that an upper C-shaped reinforcing rib and a lower C-shaped reinforcing rib are arranged opposite to each other in the opening, and reinforcing stirrups are connected between the upper C-shaped reinforcing ribs and between the lower C-shaped reinforcing ribs respectively.
5. The steel column and concrete cap connection structure according to any one of claims 1 to 4, wherein: the upper end and the lower end of each reinforcing longitudinal rib are provided with inward horizontal bending edges.
6. The steel column and concrete cap connection structure according to any one of claims 1 to 4, wherein: and a reinforcing transverse rib is connected between the reinforcing longitudinal ribs.
7. The steel column and concrete cap connection structure according to any one of claims 1 to 4, wherein: and gaskets and leveling nuts are arranged on the upper surface and the lower surface of the connecting position of the flange plate and the connecting bolt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220260136.6U CN216766526U (en) | 2022-02-09 | 2022-02-09 | Steel column and concrete cushion cap connection structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220260136.6U CN216766526U (en) | 2022-02-09 | 2022-02-09 | Steel column and concrete cushion cap connection structure |
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Publication Number | Publication Date |
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CN216766526U true CN216766526U (en) | 2022-06-17 |
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CN202220260136.6U Active CN216766526U (en) | 2022-02-09 | 2022-02-09 | Steel column and concrete cushion cap connection structure |
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CN (1) | CN216766526U (en) |
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- 2022-02-09 CN CN202220260136.6U patent/CN216766526U/en active Active
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