CN215442369U - Steel column insertion type column base for resisting pulling - Google Patents
Steel column insertion type column base for resisting pulling Download PDFInfo
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- CN215442369U CN215442369U CN202121584704.XU CN202121584704U CN215442369U CN 215442369 U CN215442369 U CN 215442369U CN 202121584704 U CN202121584704 U CN 202121584704U CN 215442369 U CN215442369 U CN 215442369U
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Abstract
The utility model relates to a bayonet column foot of steel column for resistance to plucking relates to the building construction technical field, and its technical scheme mainly includes steel column and concrete foundation, steel column patchhole has been seted up in the concrete foundation, the steel column lower extreme is inserted and is located the steel column patchhole, it waters the layer after the first micro-expansion concrete that is provided with in the steel column patchhole and the second micro-expansion concrete that forms by the solidification of micro-expansion pea gravel concrete, it pours the layer into in steel column week side to water the layer after the first micro-expansion concrete, it pours the layer into in the steel column to water the layer after the second micro-expansion concrete, be provided with a plurality of pegs on the lower extreme outer wall of steel column. This application has the effect that improves the resistance to plucking ability of steel column.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a steel column plug-in column base for pulling resistance.
Background
With the proposal of 2030 year carbon peak, 2060 year carbon neutralization, the need of building energy-saving, environment-friendly and low-carbon society and economic high-quality sustainable development, and the continuous reduction of construction workers and the improvement of labor cost in recent years, the steel structure building has the characteristics of high material strength, small member dead weight, light weight, good earthquake resistance, high installation speed, environmental protection, low carbon, less construction waste, high recycling rate and the like, and is further widely applied to buildings such as civil buildings, industrial buildings and the like. The steel structure column base is a key connecting node of a steel structure building, and the plug-in column base has the characteristics of simple structure, steel saving, safety, reliability and the like.
In the related technology, the plug-in column base mainly comprises a concrete foundation, a steel column and a micro-expansion concrete post-pouring layer, a reserved insertion hole is formed in the concrete foundation, the lower end of the steel column is inserted into the reserved insertion hole, and finally micro-expansion concrete is poured into the reserved insertion hole, and the micro-expansion concrete post-pouring layer covering the lower end of the steel column can be formed after the micro-expansion concrete is solidified.
In view of the above-mentioned related technologies, the inventor believes that the conventional steel column insertion column base mainly achieves the purpose of pulling resistance through the adhesion between a fine stone concrete layer and a steel column insertion section after secondary pouring, but has the problem of low pulling resistance.
SUMMERY OF THE UTILITY MODEL
In order to improve the pulling resistance of the steel column, the application provides a steel column plug-in column base for pulling resistance.
The application provides a bayonet column base of steel column for resistance to plucking adopts following technical scheme:
the steel column plug-in type column base for the uplift comprises a steel column and a concrete foundation, wherein a steel column inserting hole is formed in the concrete foundation, the lower end of the steel column is inserted into the steel column inserting hole, a first micro-expansion concrete post-pouring layer and a second micro-expansion concrete post-pouring layer which are formed by micro-expansion fine aggregate concrete solidification are arranged in the steel column inserting hole, the first micro-expansion concrete post-pouring layer is poured on the periphery of the steel column, the second micro-expansion concrete post-pouring layer is poured in the steel column, and a plurality of studs are arranged on the outer wall of the lower end of the steel column.
Through adopting above-mentioned technical scheme, the fixed effectual to the steel column of the first little expanded concrete post-cast layer that little expanded fine aggregate concrete pours into and pours into the second little expanded concrete post-cast layer that forms in the steel column that little expanded fine aggregate concrete pours into all sides of steel column and pours into, and fix the steel column in the steel column patchhole more stably when little expanded fine aggregate concrete concretes into first little expanded concrete post-cast layer on the steel column outer wall.
Preferably, the surface of the concrete foundation is provided with a fixed steel frame, and the upper end of the steel column is fixedly connected with the fixed steel frame.
Through adopting above-mentioned technical scheme, fixed shaped steel frame can fix the steel column in concrete foundation more steadily, increases the fixed stability of the bayonet column base of steel column.
Preferably, the fixed steel frame is arranged in a shape like a Chinese character 'jing' when viewed from above, and comprises two longitudinal connecting rods and two transverse connecting rods, and each longitudinal connecting rod and each transverse connecting rod are respectively connected with four peripheral sides of the steel column.
Through adopting above-mentioned technical scheme, set up fixed shaped steel frame for "well" word shape, can strengthen fixed shaped steel frame's structural stability to a great extent, increase the fixed stability of steel column plug-in column base.
Preferably, the upper end face of the concrete foundation is provided with a plurality of embedded parts, and each longitudinal connecting rod and each transverse connecting rod are respectively fixed with the embedded parts corresponding to the positions of the embedded parts.
Through adopting above-mentioned technical scheme, the fixed effect of concrete foundation can be improved to the built-in fitting, and longitudinal connecting rod and transverse connecting rod are fixed with the built-in fitting, can strengthen the fixed stability of steel column and concrete foundation.
Preferably, the embedded part is installed on the surface of the concrete foundation, and a plurality of anchor bars fixed with the concrete foundation are inserted into the embedded part.
By adopting the technical scheme, the anchor bars can firmly fix the embedded parts on the concrete foundation, the longitudinal connecting rods and the transverse connecting rods are placed between the anchor bars, and the fixed steel frame is limited by the anchor bars.
Preferably, the concrete foundation is covered with a column base concrete protective layer covering the fixed steel frame.
Through adopting above-mentioned technical scheme, the column base concrete inoxidizing coating covers fixed type steelframe, prevents that fixed type steelframe is not hard up to drop, influences the structural stability of bayonet column base of steel column.
Preferably, a plurality of stiffening ribs are arranged on the steel column, and the middle parts of the stiffening ribs correspond to the surface position of the concrete foundation.
Through adopting above-mentioned technical scheme, the stiffening rib can strengthen the structural strength of steel column, and can strengthen the fixed effect between concrete foundation and the steel column.
Preferably, the bottom of the steel column is welded with a bottom plate.
Through adopting above-mentioned technical scheme, the bottom plate can play the cushioning effect between steel column and concrete, and the area of contact undersize between steel column and the little expanded fine aggregate concrete, the bottom plate can increase the area of contact between steel column and the little expanded fine aggregate concrete, makes the steel column be difficult for sinking, guarantees that the stability of the bayonet column foot of steel column fixed in the concrete.
Preferably, the stiffening rib is provided with a first pouring hole, and the bottom plate is provided with a second pouring hole.
Through adopting above-mentioned technical scheme, the first watering hole on the stiffening rib is convenient for concrete placement to the steel column in, and the second watering hole on the bottom plate is used for watering the layer with the first little inflation concrete post-cast and is linked together with the second little inflation concrete post-cast, makes concrete composite construction more stable.
In summary, the present application includes at least one of the following beneficial technical effects:
the overlooking of the fixed steel frame is arranged in a shape like a Chinese character 'jing', so that the structural stability of the fixed steel frame can be enhanced;
each longitudinal connecting rod and each transverse connecting rod are fixed with each corresponding embedded part respectively, so that the fixing stability between the fixed steel frame and the concrete foundation can be enhanced;
the second pouring hole arranged on the bottom plate facilitates the communication of the first micro-expansion fine-stone concrete layer and the second micro-expansion fine-stone concrete layer inside and outside the steel column, and the structural stability of the steel column plug-in column base is improved.
Drawings
FIG. 1 is a block diagram of an embodiment of the present application;
fig. 2 is a schematic top view of an embodiment of the present application.
Reference numerals: 1. a steel column; 2. a concrete foundation; 3. inserting a steel column into the hole; 4. a first micro-expansion concrete post-cast layer; 5. a second micro-expansion concrete post-cast layer; 6. a stud; 7. a fixed steel frame; 71. a longitudinal connecting rod; 72. a transverse connecting rod; 8. embedding parts; 9. anchoring ribs; 10. a column foot concrete protective layer; 11. a stiffening rib; 12. a base plate; 13. a first irrigation hole; 14. and a second pouring hole.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a steel column plug-in column base for resistance to plucking.
Referring to fig. 1 and 2, a steel column plug-in type column base for pulling resistance comprises a steel column 1 and a concrete foundation 2, concrete is poured into the concrete foundation 2, a steel column insertion hole 3 is formed in the concrete foundation 2 in a concave manner, the lower end of the steel column 1 is inserted into the steel column insertion hole 3, micro-expansion fine-stone concrete is poured outside the column wall of the steel column 1 in the steel column insertion hole 3, the micro-expansion fine-stone concrete is solidified into a first micro-expansion concrete post-cast layer 4, then the micro-expansion concrete is poured into the steel column 1 and solidified into a second micro-expansion concrete post-cast layer 5, and the steel column 1 is stably fixed in the steel column insertion hole 3 through the first micro-expansion concrete post-cast layer 4 and the second micro-expansion concrete post-cast layer 5. A plurality of pegs 6 penetrate through the outer wall of the lower end of the steel column 1, the pin feet of the pegs 6 are abutted to the outer surface of the side wall of the steel column 1, and the cap heads of the pegs 6 are fixed in the first micro-expansion concrete post-pouring layer 4. Be fixed with a plurality of stiffening ribs 11 on steel column 1, the middle part of stiffening rib 11 flushes with 2 surface boxes on the concrete foundation, 11 both ends levels of stiffening rib contradict on 1 inner wall of steel column, stiffening rib 11 upper surface has been seted up first pouring hole 13 and has been supplied the perfusion of micro-expansion pea gravel concrete, the bottom welding of steel column 1 has bottom plate 12, set up the second pouring hole 14 that runs through bottom plate 12 on the bottom plate 12, second pouring hole 14 will pour into earlier the micro-expansion pea gravel concrete outside steel column 1 and pour into the micro-expansion pea gravel concrete of in steel column 1 after with and be linked together.
Specifically, fixed type steelframe 7 has been placed on concrete foundation 2 surface, and the top view of fixed type steelframe 7 is "well" word shape, and concrete foundation 2 coats and is stamped column base concrete inoxidizing coating 10, and the column base concrete is poured into and is lived fixed type steelframe 7 cladding on fixed type steelframe 7, forms column base concrete inoxidizing coating 10. Fixed profile steelframe 7 includes two longitudinal tie 71 and two transverse tie 72, and longitudinal tie 71 and transverse tie 72 are perpendicular crisscross the welding in steel column 1 upper end, and each longitudinal tie 71 and transverse tie 72 weld respectively in four week sides of steel column 1. An embedded part 8 is fixed on the upper end face of the concrete foundation 2, a plurality of anchor bars 9 are inserted into the embedded part 8 in a penetrating mode, one end of each anchor bar 9 is inserted into the concrete foundation 2 and fixed with the concrete foundation 2, each longitudinal connecting rod 71 and each transverse connecting rod 72 are clamped and limited between the two anchor bars 9 above the embedded part 8 through the two adjacent anchor bars 9, and each longitudinal connecting rod 71 and each transverse connecting rod 72 are fixed with the embedded part 8 corresponding to each part.
The implementation principle of the embodiment is as follows: concrete is poured into the concrete foundation 2, a steel column inserting hole 3 is formed between the concrete foundations 2 in a concave mode, the steel column 1 is inserted into the steel column inserting hole 3, micro-expansion fine aggregate concrete is poured on the outer peripheral side of the steel column 1 in the steel column inserting hole 3 to form a first micro-expansion concrete post-pouring layer 4, after the micro-expansion fine aggregate concrete is solidified, micro-expansion fine aggregate concrete is poured into the steel column 1 to be solidified to form a second micro-expansion concrete post-pouring layer 5, the fixed steel frame 7 is clamped between adjacent anchor bars 9 on the embedded part 8, column base concrete is poured into the concrete foundation 2, column base concrete is solidified to form a column base concrete protective layer 10, and the steel column inserting type column base is stably fixed in the concrete foundation 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a bayonet column base of steel column for resistance to plucking which characterized in that: the concrete column is characterized by comprising a steel column (1) and a concrete foundation (2), a steel column inserting hole (3) is formed in the concrete foundation (2), the lower end of the steel column (1) is inserted into the steel column inserting hole (3), a first micro-expansion concrete post-pouring layer (4) and a second micro-expansion concrete post-pouring layer (5) which are formed by micro-expansion fine aggregate concrete solidification are arranged in the steel column inserting hole (3), the first micro-expansion concrete post-pouring layer (4) is poured on the periphery side of the steel column (1), the second micro-expansion concrete post-pouring layer (5) is poured in the steel column (1), and a plurality of studs (6) are arranged on the outer wall of the lower end of the steel column (1).
2. A steel column plug-in column foot for pulling resistance according to claim 1, characterized in that: the concrete foundation (2) is characterized in that a fixed steel frame (7) is arranged on the surface of the concrete foundation, and the upper end of the steel column (1) is fixedly connected with the fixed steel frame (7).
3. A steel column plug-in column foot for pulling resistance according to claim 2, characterized in that: the overlooking of the fixed steel frame (7) is in a shape like a Chinese character 'jing', the fixed steel frame (7) comprises two longitudinal connecting rods (71) and two transverse connecting rods (72), and the longitudinal connecting rods (71) and the transverse connecting rods (72) are respectively connected with four peripheral sides of the steel column (1).
4. A steel column plug-in column foot for pulling resistance according to claim 3, characterized in that: the upper end face of the concrete foundation (2) is provided with a plurality of embedded parts (8), and each longitudinal connecting rod (71) and each transverse connecting rod (72) are respectively fixed with the embedded parts (8) corresponding to the positions of the embedded parts.
5. The steel column plug-in column base for the pulling-resistant according to claim 4, characterized in that: the embedded part (8) is arranged on the surface of the concrete foundation (2), and a plurality of anchor bars (9) fixed with the concrete foundation (2) are inserted into the embedded part (8).
6. A steel column plug-in column foot for pulling resistance according to claim 1, characterized in that: the concrete foundation (2) is covered with a column base concrete protective layer (10) which covers the fixed steel frame (7).
7. A steel column plug-in column foot for pulling resistance according to claim 1, characterized in that: the steel column (1) is provided with a plurality of stiffening ribs (11), and the middle parts of the stiffening ribs (11) correspond to the surface of the concrete foundation (2).
8. A steel column plug-in column foot for pulling resistance according to claim 7, characterized in that: the bottom of the steel column (1) is welded with a bottom plate (12).
9. A steel column plug-in column foot for pulling resistance according to claim 8, characterized in that: the stiffening rib (11) is provided with a first pouring hole (13), and the bottom plate (12) is provided with a second pouring hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121584704.XU CN215442369U (en) | 2021-07-13 | 2021-07-13 | Steel column insertion type column base for resisting pulling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121584704.XU CN215442369U (en) | 2021-07-13 | 2021-07-13 | Steel column insertion type column base for resisting pulling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215442369U true CN215442369U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121584704.XU Active CN215442369U (en) | 2021-07-13 | 2021-07-13 | Steel column insertion type column base for resisting pulling |
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|---|---|
| CN (1) | CN215442369U (en) |
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2021
- 2021-07-13 CN CN202121584704.XU patent/CN215442369U/en active Active
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