CN218933455U - Embedded pre-buried structure of steel-pipe column foot - Google Patents
Embedded pre-buried structure of steel-pipe column foot Download PDFInfo
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- CN218933455U CN218933455U CN202223036130.XU CN202223036130U CN218933455U CN 218933455 U CN218933455 U CN 218933455U CN 202223036130 U CN202223036130 U CN 202223036130U CN 218933455 U CN218933455 U CN 218933455U
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Abstract
The utility model relates to an embedded pre-buried structure of a steel pipe column base, which comprises the following components: the device comprises a basic bearing platform, a steel tube concrete column, an annular groove, a slurry overflow groove, a U-shaped steel tube and a steel plate with a positioning ring; the annular groove is arranged in the basic bearing platform, the steel pipe concrete column is arranged in the center of the annular groove, the pipe wall of the steel pipe column is provided with a slurry overflow vent hole, and the lower end of the steel pipe column is provided with a plurality of positioning rib plates and level bubbles through a column foot plate; a steel plate belt positioning ring is arranged in the annular groove around the column foot plate and the positioning rib plate; the steel pipe column is connected with the slurry overflow groove through a U-shaped steel pipe. The beneficial effects of the utility model are as follows: the accurate positioning of the steel pipe column is realized through devices such as the annular groove, the steel plate belt positioning ring, the positioning rib plate, the level bubble and the like; through setting up the thick liquid exhaust hole and pre-buried U type steel pipe, realized the observation to the concrete pouring state, ensured the concrete quality of steel-pipe column bottom section, avoided the concrete to take off the sky problem.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to construction of a concrete filled steel tubular column in a high-rise and super high-rise building structure.
Background
The steel structure is adopted by more and more buildings in terms of advantages such as short construction period, convenient construction, energy conservation, environmental protection, earthquake resistance, industrialized production and the like and recycling economy. The building structure form is gradually changed from the traditional reinforced concrete structure to the structure form of combining the steel structure and the reinforced concrete structure. The steel pipe concrete structure is a combined structure, and has the characteristics of fully utilizing material characteristics, along with good bearing performance, material saving and convenient construction. In recent years, the composite material has the advantages of high bearing capacity, excellent anti-seismic performance, convenient construction, good fireproof performance and the like, and has been widely applied to various fields of industrial engineering construction such as Fang Jian, metallurgy and the like, and can fully exert the characteristics of the composite material especially in the field of high-rise buildings.
However, compared with a simple steel structure and a concrete structure, the construction process of the steel pipe concrete column is complex, and particularly the connection performance of the steel pipe column and a foundation bearing platform is crucial, so that the safety and stability of an upper structure are directly affected. At present, a form that the embedded bolts on the surface of the bearing platform foundation are connected with the steel pipe column base is commonly adopted, but the required workload of the embedded bolts in the mode is large, the embedded bolts cannot be precisely positioned at one time, and the installation efficiency is required to be improved.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides an embedded pre-buried structure of a steel pipe column base.
This kind of embedded pre-buried structure of steel-pipe column foot includes: the device comprises a basic bearing platform, a steel tube concrete column, an annular groove, a slurry overflow groove, a U-shaped steel tube and a steel plate with a positioning ring; the annular groove is arranged in the base bearing platform, the steel pipe concrete column is arranged in the center of the annular groove, and the steel pipe concrete column comprises a steel pipe column, in-pipe concrete and out-pipe concrete; the pipe wall of the steel pipe column is provided with a pulp overflow vent hole, the lower end of the steel pipe column is provided with a plurality of positioning rib plates through a column foot plate, and the column foot plate is also provided with a plurality of level bubbles; a steel plate belt positioning ring is arranged in the annular groove around the column foot plate and the positioning rib plate; the overflow slurry tank is arranged in a basic bearing platform outside the design position of the steel pipe concrete column, and the steel pipe column is connected with the overflow slurry tank through a U-shaped steel pipe.
As preferable: the diameter of the annular groove is between the diameter of the steel pipe column and the outer peripheral dimension of the concrete outside the pipe.
As preferable: the inner pipe opening of U type steel pipe is located 1/2 radius department from annular groove center, and the outer pipe opening of U type steel pipe is located the overflow launder center, and inner pipe opening height and basic cushion cap flush, and outer pipe opening height is less than basic cushion cap.
As preferable: the periphery of the annular groove is vertically provided with embedded bars, and the length of the top of each embedded bar, which is leaked outside the foundation bearing platform, is more than or equal to 10cm; and the bottom of the annular groove is also provided with a column foot bolt, and the column foot bolt corresponds to the positioning rib plate.
As preferable: the outer diameter of the steel plate strip positioning ring is smaller than that of the annular groove, and the outer diameter and the inner diameter of the steel plate strip positioning ring are consistent with those of the column foot plate of the steel pipe column; the inner side of the steel plate strip locating ring is provided with notches, and the number, shape and size of the notches are matched with those of the locating rib plates of the steel pipe column.
As preferable: the steel pipe column further comprises connecting ribs, an inner partition plate, a column top plate and an ear plate, wherein the connecting ribs are arranged on the outer side of the pipe wall, and the annular inner partition plate is arranged on the inner side of the pipe wall; the column top plate is arranged at the upper end of the steel pipe column, faces the inner side of the steel pipe column, and is provided with a plurality of screw holes; the column foot plate faces to the outer side of the steel pipe column.
As preferable: the vials include longitudinal vials and transverse vials.
The beneficial effects of the utility model are as follows:
1) According to the utility model, the steel pipe column is accurately positioned through the devices such as the annular groove, the steel plate belt positioning ring, the positioning rib plate, the level bubble and the like, the installation quantity of column foot bolts is reduced compared with the traditional technology, and the connection performance of the steel pipe column and the concrete foundation bearing platform is improved.
2) According to the utility model, by arranging the overflow exhaust hole and the embedded U-shaped steel pipe, the observation of the concrete pouring state is realized, the concrete quality of the bottom section of the steel pipe column is ensured, and the problem of concrete void is avoided.
Drawings
FIG. 1 is a transverse cross-sectional view of a concrete foundation slab construction;
FIG. 2 is a schematic view of a steel plate with a retaining ring;
FIG. 3 is a cross-sectional view of a steel form installed around a steel pipe column;
fig. 4 is a plan view of a part of the structure after the steel forms are installed around the steel pipe column.
In the figure: 1-a basic bearing platform; 2-a steel tube concrete column; 3-steel pipe column; 4-in-pipe concrete; 5-concrete outside the pipe; 6-an annular groove; 7-a slurry overflow tank; 8-U-shaped steel pipes; 9-an inner pipe orifice; 10-an outer pipe orifice; 11-embedded bars; 12-positioning rib plates; 13-column foot bolts; 14-notch; 15-a steel plate belt positioning ring; 16-tube wall; 17-a slurry overflow vent; 18-connecting ribs; 19-an inner separator; 20-column top plate; 21-a toe plate; 22-ear plate; 23-screw holes; 24-longitudinal vials; 25-transverse level bubble; 26-a gasket; 27-double nuts; 28-main tendons; 29-stirrups; 30-corbels; 31-self-adhesive rubber strips; 32-steel templates; 33-cap nut.
Detailed Description
The utility model is further described below with reference to examples. The following examples are presented only to aid in the understanding of the utility model. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present utility model without departing from the principles of the utility model, and such modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
As an embodiment, as shown in fig. 1 to 4, a steel pipe column foot embedded pre-buried structure includes: the concrete filled steel tube pile comprises a basic bearing platform 1, a concrete filled steel tube column 2, an annular groove 6, a slurry overflow groove 7, a U-shaped steel tube 8 and a steel plate belt positioning ring 15; the annular groove 6 is arranged in the foundation pile cap 1, and the diameter of the annular groove 6 is between the diameter of the steel pipe column 3 and the outer peripheral dimension of the concrete 5 outside the pipe.
The steel pipe concrete column 2 is arranged in the center of the annular groove 6, and the steel pipe concrete column 2 comprises a steel pipe column 3, in-pipe concrete 4 and out-pipe concrete 5; the pipe wall 16 of the steel pipe column 3 is provided with a pulp overflow vent hole 17, the lower end of the steel pipe column 3 is provided with a plurality of positioning rib plates 12 through a column foot plate 21, and the column foot plate 21 is also provided with a plurality of level bubbles; the vials include a longitudinal vial 24 and a transverse vial 25.
The steel pipe column 3 can be finely adjusted by adjusting the fastening degree of the four double nuts 27, and when the air bubbles of the longitudinal air level 24 and the transverse air level 25 are kept in the middle, the perpendicularity and the flatness of the steel pipe column 3 are satisfied.
A steel plate band positioning ring 15 is arranged in the annular groove 6 around the column foot plate 21 and the positioning rib plate 12. The outer diameter of the steel plate band positioning ring 15 is smaller than the annular groove 6, and the outer diameter and the inner diameter of the steel plate band positioning ring 15 are consistent with the column foot plate 21 of the steel pipe column 3; the inner side of the steel plate strip locating ring 15 is provided with notches 14, and the number, shape and size of the notches 14 are matched with those of the locating rib plates 12 of the steel pipe column 3.
The steel pipe column 3 further comprises connecting ribs 18, an inner partition plate 19, a column top plate 20 and an ear plate 22, wherein the connecting ribs 18 are arranged on the outer side of the pipe wall 16, and the annular inner partition plate 19 is arranged on the inner side of the pipe wall 16; the column top plate 20 is arranged at the upper end of the steel pipe column 3, the column top plate 20 faces the inner side of the steel pipe column 3, and a plurality of screw holes 23 are formed in the column top plate 20; the leg plate 21 faces outward of the steel pipe column 3. Ear plates 22 are symmetrically welded at the upper end of the steel pipe column 3 for hoisting.
The periphery of the annular groove 6 is vertically provided with embedded bars 11, and the length of the top of each embedded bar 11 leaking outside the foundation bearing platform 1 is more than or equal to 10cm; the steel reinforcement framework is bound in the structural range of the concrete 5 outside the pipe and mainly comprises a main reinforcement 28 and a stirrup 29; wherein, the main bars 28 positioned around the annular groove 6 are welded with the embedded bars 11. And the bottom of the annular groove 6 is also provided with a column foot bolt 13, and the column foot bolt 13 corresponds to the positioning rib plate 12. After the steel pipe column 3 falls to the ground, the through holes of the four positioning rib plates 12 penetrate through the pre-buried column leg bolts 13 and are matched with the gaps of the steel plate belt positioning rings 15;
the overflow trough 7 is arranged in the basic bearing platform 1 outside the design position of the steel pipe concrete column 2, and the steel pipe column 3 and the overflow trough 7 are connected through a U-shaped steel pipe 8. The inner pipe opening 9 of the U-shaped steel pipe 8 is positioned at the 1/2 radius position from the center of the annular groove 6, the outer pipe opening 10 of the U-shaped steel pipe 8 is positioned at the center of the overflow slurry tank 7, the height of the inner pipe opening 9 is flush with that of the base bearing platform 1, and the height of the outer pipe opening 10 is lower than that of the base bearing platform 1.
When layered high-throwing self-compacting concrete is carried out, the concrete 4 and air in the steel pipe column 3 flow into the annular groove 6 in a split mode through the overflow exhaust hole 17, and meanwhile part of air in the steel pipe column 3 is discharged to the outside through the embedded U-shaped steel pipe 8.
The outer pipe mouth 10 of the pre-buried U-shaped steel pipe 8 can be tightly screwed and sealed by a cover-type screw cap 33.
The steel form 32 is a formwork system for the concrete 5 outside the pipe. The bottom of the steel template adopts a welding bracket 30 as a support, and the periphery of the steel template adopts split bolts for fastening and forming.
Claims (7)
1. The utility model provides a steel-pipe column foot embedded pre-buried structure which characterized in that includes: the steel pipe concrete column comprises a basic bearing platform (1), a steel pipe concrete column (2), an annular groove (6), a slurry overflow groove (7), a U-shaped steel pipe (8) and a steel plate belt positioning ring (15); the annular groove (6) is formed in the foundation bearing platform (1), the steel tube concrete column (2) is arranged in the center of the annular groove (6), and the steel tube concrete column (2) comprises a steel tube column (3), in-tube concrete (4) and out-of-tube concrete (5); a pulp overflow vent hole (17) is formed in a pipe wall (16) of the steel pipe column (3), a plurality of positioning rib plates (12) are arranged at the lower end of the steel pipe column (3) through a column foot plate (21), and a plurality of level bubbles are further arranged on the column foot plate (21); a steel plate belt positioning ring (15) is arranged in the annular groove (6) around the column foot plate (21) and the positioning rib plate (12); the overflow slurry tank (7) is arranged in the foundation bearing platform (1) at the outer side of the design position of the steel tube concrete column (2), and the steel tube column (3) is connected with the overflow slurry tank (7) through a U-shaped steel tube (8).
2. The steel pipe column shoe embedded pre-buried structure according to claim 1, wherein: the diameter of the annular groove (6) is between the diameter of the steel pipe column (3) and the outer peripheral dimension of the concrete (5) outside the pipe.
3. The steel pipe column shoe embedded pre-buried structure according to claim 1, wherein: the inner pipe opening (9) of the U-shaped steel pipe (8) is located at the position 1/2 of the radius away from the center of the annular groove (6), the outer pipe opening (10) of the U-shaped steel pipe (8) is located at the center of the overflow slurry groove (7), the height of the inner pipe opening (9) is flush with that of the foundation pile cap (1), and the height of the outer pipe opening (10) is lower than that of the foundation pile cap (1).
4. The steel pipe column shoe embedded pre-buried structure according to claim 1, wherein: the periphery of the annular groove (6) is vertically provided with embedded bars (11), and the length of the top of each embedded bar (11) leaking outside the foundation pile cap (1) is more than or equal to 10cm; and the bottom of the annular groove (6) is also provided with a column foot bolt (13), and the column foot bolt (13) corresponds to the positioning rib plate (12).
5. The steel pipe column shoe embedded pre-buried structure according to claim 1, wherein: the outer diameter of the steel plate belt positioning ring (15) is smaller than the annular groove (6), and the outer diameter and the inner diameter of the steel plate belt positioning ring (15) are consistent with those of the column foot plate (21) of the steel pipe column (3); the inner side of the steel plate belt positioning ring (15) is provided with notches (14), and the number and the shape and the size of the notches (14) are matched with those of the positioning rib plates (12) of the steel pipe column (3).
6. The steel pipe column shoe embedded pre-buried structure according to claim 1, wherein: the steel pipe column (3) further comprises connecting ribs (18), an inner partition plate (19), a column top plate (20) and an ear plate (22), wherein the connecting ribs (18) are arranged on the outer side of the pipe wall (16), and the annular inner partition plate (19) is arranged on the inner side of the pipe wall (16); the column top plate (20) is arranged at the upper end of the steel pipe column (3), the column top plate (20) faces the inner side of the steel pipe column (3), and a plurality of screw holes (23) are formed in the column top plate (20); the leg plate (21) faces the outer side of the steel pipe column (3).
7. The steel pipe column shoe embedded pre-buried structure according to claim 1, wherein: the vials include longitudinal vials (24) and transverse vials (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223036130.XU CN218933455U (en) | 2022-11-15 | 2022-11-15 | Embedded pre-buried structure of steel-pipe column foot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223036130.XU CN218933455U (en) | 2022-11-15 | 2022-11-15 | Embedded pre-buried structure of steel-pipe column foot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218933455U true CN218933455U (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223036130.XU Active CN218933455U (en) | 2022-11-15 | 2022-11-15 | Embedded pre-buried structure of steel-pipe column foot |
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| Country | Link |
|---|---|
| CN (1) | CN218933455U (en) |
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2022
- 2022-11-15 CN CN202223036130.XU patent/CN218933455U/en active Active
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