CN209854759U - Unilateral bolted connection structure of cavity intermediate layer steel pipe concrete structure shaft tower and basis - Google Patents
Unilateral bolted connection structure of cavity intermediate layer steel pipe concrete structure shaft tower and basis Download PDFInfo
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- CN209854759U CN209854759U CN201920448896.8U CN201920448896U CN209854759U CN 209854759 U CN209854759 U CN 209854759U CN 201920448896 U CN201920448896 U CN 201920448896U CN 209854759 U CN209854759 U CN 209854759U
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Abstract
A unilateral bolt connection structure of a hollow interlayer steel pipe concrete structure pole tower and a foundation belongs to the field of civil engineering. Bolt holes are respectively formed in the foundation bottom plate and the integrated flange plate bottom plate, and foundation bolts and flange bolts sequentially penetrate through the foundation bottom plate and the integrated flange plate bottom plate to connect the foundation bottom plate and the integrated flange plate bottom plate; bolt holes are respectively formed in the inner pipe at the upper part of the integrated flange plate and the steel pipe in the hollow sandwich steel pipe concrete pole tower, and unilateral bolts sequentially penetrate through the inner pipe and the steel pipe in the pole tower to connect the inner pipe of the integrated flange plate with the steel pipe in the pole tower; bolt holes are respectively formed in the integrated flange outer pipe and the tower outer steel pipe, and unilateral bolts sequentially penetrate through the integrated flange outer pipe and the tower outer steel pipe to connect the integrated flange outer pipe and the tower outer steel pipe; and (3) pouring interlayer concrete between the outer steel pipe and the inner steel pipe of the hollow interlayer steel pipe concrete pole tower, so that the inner steel pipe and the outer steel pipe work together to form a whole. The utility model has the advantages of convenient site operation, easy assembly, reliable connection performance, good integrity and anti-seismic performance, etc.
Description
Technical Field
The utility model belongs to the structural engineering field among the civil engineering, in particular to unilateral bolted connection structure of cavity intermediate layer steel pipe concrete structure shaft tower and basis.
Background
The hollow sandwich steel pipe concrete is a hollow structure formed by concentrically placing two layers of steel pipes and pouring sandwich concrete between an outer steel pipe and an inner steel pipe, wherein the sandwich concrete is restrained by the steel pipes, so that the bearing capacity of the hollow sandwich steel pipe concrete is improved, the inward buckling damage of the steel pipes is also restrained by the existence of the concrete, compared with the solid steel pipe concrete, the hollow sandwich steel pipe concrete has the characteristics of cross section expansion, large bending rigidity, light dead weight, good fireproof performance and the like, and is suitable for the fields of power transmission line towers, wind driven generator towers or other industrial and civil buildings in the power industry. The unilateral bolt applied to the engineering not only has the basic mechanical property of a common bolt, but also can realize unilateral installation and unilateral tightening, can well solve the connection problem between steel members with closed sections, is convenient to construct and is widely applied to building engineering. In the prior art, in the installation process of a steel pipe of a hollow sandwich concrete-filled steel pipe tower, a constructor needs to enter a steel pipe with a narrow space for operation, the construction process is complex, and the working environment of the constructor is dangerous, so that a connecting structure of the tower and a foundation with reliable performance and convenient and safe field construction is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cavity intermediate layer steel pipe concrete structure shaft tower and the unilateral bolted connection structure of basis that a kind of site operation is safe convenient.
The utility model adopts the technical proposal that:
the surface of the foundation bottom plate (8) is matched with the surface of the integrated flange plate bottom plate (1), two circles of bolt holes are respectively formed in the foundation bottom plate and the integrated flange plate bottom plate, foundation bolts (6) and flange bolts (7) respectively penetrate through the foundation bottom plate (8) and the integrated flange plate bottom plate (1) in sequence through the bolt holes, and the foundation bottom plate (8) is connected with the integrated flange plate bottom plate (1);
an integrated flange inner pipe (3) and an integrated flange outer pipe (2) which are vertical and upward and coaxial are fixed on the integrated flange disc surface; the integrated flange plate surface is provided with two steel pipes of a hollow interlayer steel pipe concrete structure which is vertically upward and composed of a tower inner steel pipe (12) and a tower outer steel pipe (11), the integrated flange inner pipe (3) and the integrated flange outer pipe (2) are coaxial with the hollow interlayer steel pipe concrete structure, the integrated flange inner pipe (3) is positioned at the inner side or the outer side of the tower inner steel pipe (12) and clings to the tower inner steel pipe (12), and the integrated flange outer pipe (2) is positioned at the outer side or the inner side of the tower outer steel pipe (11) and clings to the tower outer steel pipe (11); the integrated flange inner pipe (3) and the tower inner steel pipe (12) are respectively provided with bolt holes, and the unilateral bolt (5) sequentially penetrates through the integrated flange inner pipe (3) and the tower inner steel pipe (12) to connect and fix the integrated flange inner pipe (3) and the tower inner steel pipe (12) together; the integrated flange outer pipe (2) and the tower outer steel pipe (11) are respectively provided with bolt holes, and the unilateral bolt (5) sequentially penetrates through the integrated flange outer pipe (2) and the tower outer steel pipe (11) to connect and fix the integrated flange outer pipe (2) and the tower outer steel pipe (11) together;
stiffening ribs (14) are respectively connected between the integrated flange plate bottom plate (1) and the integrated flange inner pipe (3) and between the integrated flange plate bottom plate (1) and the integrated flange outer pipe (2); and interlayer concrete (10) is poured between the tower outer steel tube (11) and the tower inner steel tube (12).
The integrated flange plate bottom plate (1) is a square plate or a circular plate.
The integrated flange outer pipe (2) and the integrated flange inner pipe (3) are square pipes or round pipes.
The cross section shapes of the tower outer steel pipe (11) and the tower inner steel pipe (12) are combined into a circular pipe sleeve, a square pipe sleeve, a circular pipe sleeve square pipe or a square pipe sleeve circular pipe.
The integrated flange plate can be welded by steel plates or integrally cast.
The connecting unilateral bolt (5) can be arranged in a single layer or in a double-layer or multi-layer mode.
The foundation bolt (6) extends downwards into the foundation (13), and the upward corresponding position of the foundation bolt (6) is an interlayer or a hollow part of a hollow interlayer steel pipe concrete structure.
Positioning plates (4) are uniformly distributed in an interlayer of the hollow interlayer steel pipe concrete structure, and two ends of each positioning plate are respectively fixed with the tower inner steel pipe (12) and the tower outer steel pipe (11).
The utility model has the advantages that:
(1) due to the application of the integrated flange plate, the integral performance of the joint of the tower and the foundation is good, and the force transmission path is clear.
(2) This kind of cavity intermediate layer steel pipe concrete pole tower structure need not be at the outer steel pipe of cavity intermediate layer steel pipe concrete pole tower and interior steel pipe bottom welding ring flange with basic connection structure, only needs reserve the bolt hole at the steel pipe lower extreme, and processing is convenient, has avoided the influence of residual stress and the welding seam quality that the welding caused.
(3) This kind of cavity intermediate layer steel pipe concrete pole tower structure and basic connection structure, constructor need not to get into the inside operation that operates of the narrow and small steel pipe in space during the implementation, have advantages such as site operation convenience, easily assembly, connection performance are reliable, wholeness and anti-seismic performance are good.
Drawings
FIG. 1 is a vertical view of a connection between a tower and a foundation in a hollow sandwich steel pipe concrete structure with a circular section of a circular sleeve (steel pipes in the tower are positioned outside an inner pipe of an integrated flange);
FIG. 2 is a plan view of the connection between a tower and a foundation in a hollow sandwich steel pipe concrete structure with a circular section of a circular sleeve (steel pipes in the tower are positioned outside an inner pipe of an integrated flange);
FIG. 3 is a vertical view of the connection between a tower and a foundation in a hollow sandwich steel pipe concrete structure with a circular section of a circular sleeve (the steel pipe in the tower is positioned on the inner side of an inner pipe of an integrated flange);
FIG. 4 is a plan view of the connection between a tower and a foundation in a hollow sandwich steel pipe concrete structure with a circular section of a circular sleeve (steel pipes in the tower are positioned on the inner side of an inner pipe of an integrated flange);
FIG. 5 is a vertical view of the connection between a square sleeve square section hollow sandwich steel pipe concrete structure tower and a foundation;
FIG. 6 is a plan view of the connection between a square sleeve square section hollow sandwich steel pipe concrete structure tower and a foundation;
reference numbers in the figures:
1-integrated flange plate bottom plate, 2-integrated flange plate outer pipe, 3-integrated flange plate inner pipe, 4-positioning plate, 5-single-side bolt, 6-foundation bolt, 7-flange bolt, 8-foundation bottom plate, 9-foundation bottom plate stiffening rib, 10-interlayer concrete, 11-tower outer steel pipe, 12-tower inner steel pipe, 13-foundation and 14-stiffening rib.
Detailed Description
The utility model provides a unilateral bolted connection structure of cavity intermediate layer steel pipe concrete structure shaft tower and basis, the embodiment that combines the attached drawing below is right the utility model discloses a structure and embodiment do further explanation.
Fig. 1-6 are the structural schematic diagram of the embodiment of the utility model, the shaft tower is connected with the foundation and is formed by steel pipe 11 outside the shaft tower, steel pipe 12 in the shaft tower, integral type ring flange bottom plate 1, integral type ring flange inner tube 3, integral type ring flange outer tube 2, foundation bottom plate 8 and sandwich concrete 10. The tower outer steel pipe 11 and the tower inner steel pipe 12 are square sections or circular sections, the integrated flange base plate 1 is a square plate or a circular plate, and the integrated flange outer pipe 2 and the integrated flange inner pipe 3 are square sections or circular sections; bolt holes are respectively formed in the foundation bottom plate 8 and the integrated flange plate 1, and the foundation bolts 6 and the flange bolts 7 sequentially penetrate through the foundation bottom plate 8 and the integrated flange plate 1 to connect the foundation bottom plate 8 and the integrated flange plate 1; bolt holes are respectively formed in the inner pipe 3 at the upper part of the integrated flange plate and the tower inner steel pipe 12, the unilateral bolt 5 sequentially penetrates through the integrated flange plate inner pipe 3 and the tower inner steel pipe 12, and the integrated flange plate inner pipe 3 is connected with the tower inner steel pipe 12; bolt holes are respectively formed in the integrated flange outer pipe 2 and the tower outer steel pipe 11, the single-side bolts 5 sequentially penetrate through the integrated flange outer pipe 2 and the tower outer steel pipe 11, and the integrated flange outer pipe 2 is connected with the tower outer steel pipe 11; and a positioning plate 4 is arranged between the outer steel tube 11 and the inner steel tube 12 of the tower, so that the interlayer concrete 10 is poured between the outer steel tube 11 and the inner steel tube 12 of the tower.
The utility model discloses a concrete construction method as follows:
(1) hoisting the integrated flange plate, aligning and assembling the bolt holes reserved on the integrated flange plate bottom plate 1 with the foundation bolts 6 and the flange bolts 7 which are installed on the foundation bottom plate 8, and screwing the bolts on one side of the integrated flange plate bottom plate to tightly connect the integrated flange plate bottom plate 1 and the foundation bottom plate 8 to form a whole;
(2) hoisting the tower inner steel tube 12 to the integrated flange inner tube 3, aligning reserved bolt holes of the tower inner steel tube 12 and the integrated flange inner tube 3, penetrating the integrated flange inner tube 3 and the reserved bolt holes of the tower inner steel tube 12 from the outer side of the tower inner steel tube 12 through a single-edge bolt 5, and screwing the bolt to tightly connect the tower inner steel tube 12 and the integrated flange inner tube 3 to form a whole;
(3) hoisting the tower outer steel tube 11 to the integrated flange outer tube 2, aligning reserved bolt holes of the tower outer steel tube and the integrated flange outer tube 2, penetrating the integrated flange outer tube 2 and the reserved bolt holes of the tower outer steel tube 11 from the outer side of the tower outer steel tube 11 through single-edge bolts 5, and screwing the bolts to tightly connect the tower outer steel tube 11 and the integrated flange outer tube 2 to form a whole;
(4) and pouring interlayer concrete 10 between the outer steel pipe and the inner steel pipe of the hollow interlayer steel pipe concrete pole tower to finish the construction of the joint of the pole tower and the foundation.
Claims (8)
1. A unilateral bolt connection structure of a hollow interlayer steel pipe concrete structure tower and a foundation is characterized in that the surface of a foundation bottom plate (8) is matched with the surface of an integrated flange plate bottom plate (1), two circles of bolt holes are respectively arranged on the foundation bottom plate (8) and the surface of the integrated flange plate bottom plate (1), foundation bolts (6) and flange bolts (7) respectively penetrate through the foundation bottom plate (8) and the integrated flange plate bottom plate (1) in sequence through the bolt holes, and the foundation bottom plate (8) is connected with the integrated flange plate bottom plate (1);
an integrated flange inner pipe (3) and an integrated flange outer pipe (2) which are vertical and upward and coaxial are fixed on the integrated flange disc surface; the integrated flange plate surface is provided with two steel pipes of a hollow interlayer steel pipe concrete structure which is vertically upward and composed of a tower inner steel pipe (12) and a tower outer steel pipe (11), the integrated flange inner pipe (3) and the integrated flange outer pipe (2) are coaxial with the hollow interlayer steel pipe concrete structure, the integrated flange inner pipe (3) is positioned at the inner side or the outer side of the tower inner steel pipe (12) and clings to the tower inner steel pipe (12), and the integrated flange outer pipe (2) is positioned at the outer side or the inner side of the tower outer steel pipe (11) and clings to the tower outer steel pipe (11); the integrated flange inner pipe (3) and the tower inner steel pipe (12) are respectively provided with bolt holes, and the unilateral bolt (5) sequentially penetrates through the integrated flange inner pipe (3) and the tower inner steel pipe (12) to connect and fix the integrated flange inner pipe (3) and the tower inner steel pipe (12) together; the integrated flange outer pipe (2) and the tower outer steel pipe (11) are respectively provided with bolt holes, and the unilateral bolt (5) sequentially penetrates through the integrated flange outer pipe (2) and the tower outer steel pipe (11) to connect and fix the integrated flange outer pipe (2) and the tower outer steel pipe (11) together;
stiffening ribs (14) are respectively connected between the integrated flange plate bottom plate (1) and the integrated flange inner pipe (3) and between the integrated flange plate bottom plate (1) and the integrated flange outer pipe (2); and interlayer concrete (10) is poured between the tower outer steel tube (11) and the tower inner steel tube (12).
2. The single-side bolt connection structure of the tower and the foundation with the hollow sandwich steel tube concrete structure according to claim 1, wherein the integrated flange bottom plate (1) is a square plate or a circular plate.
3. The unilateral bolt connection structure of a tower and a foundation with a hollow sandwich steel tube concrete structure according to claim 1, characterized in that the integrated flange outer tube (2) and the integrated flange inner tube (3) are square tubes or round tubes.
4. The unilateral bolt connection structure of a tower and a foundation with a hollow sandwich steel tube concrete structure according to claim 1, characterized in that the cross-sectional shapes of the tower outer steel tube (11) and the tower inner steel tube (12) are combined into a circular tube-in-tube, a square tube-in-tube, a circular tube-in-tube or a square tube-in-tube.
5. The single-side bolt connection structure of the tower and the foundation with the hollow sandwich steel tube concrete structure as claimed in claim 1, wherein the integrated flange plate can be welded by steel plates or integrally cast.
6. The single-side bolt connection structure of the tower and the foundation of the hollow sandwich steel tube concrete structure according to claim 1, wherein the single-side bolts (5) are arranged in a single layer or in a double-layer or multi-layer manner.
7. The single-side bolt connection structure of the tower and the foundation with the hollow sandwich steel pipe concrete structure according to claim 1, wherein the anchor bolts (6) extend downwards into the foundation (13), and the positions corresponding to the upward positions of the anchor bolts (6) are the sandwich or hollow parts of the hollow sandwich steel pipe concrete structure.
8. The unilateral bolt connection structure of the tower and the foundation of the hollow sandwich steel tube concrete structure according to claim 1, characterized in that positioning plates (4) are uniformly distributed in the sandwich of the hollow sandwich steel tube concrete structure, and two ends of the positioning plates are respectively fixed with the tower inner steel tube (12) and the tower outer steel tube (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920448896.8U CN209854759U (en) | 2019-04-03 | 2019-04-03 | Unilateral bolted connection structure of cavity intermediate layer steel pipe concrete structure shaft tower and basis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920448896.8U CN209854759U (en) | 2019-04-03 | 2019-04-03 | Unilateral bolted connection structure of cavity intermediate layer steel pipe concrete structure shaft tower and basis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209854759U true CN209854759U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920448896.8U Active CN209854759U (en) | 2019-04-03 | 2019-04-03 | Unilateral bolted connection structure of cavity intermediate layer steel pipe concrete structure shaft tower and basis |
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| Country | Link |
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| CN (1) | CN209854759U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898544A (en) * | 2019-04-03 | 2019-06-18 | 北京工业大学 | A kind of unilateral bolt connection structure of concrete structure with hollow sandwich shaft tower and basis |
| GB2623059A (en) * | 2022-09-28 | 2024-04-10 | Equinor Energy As | Assembly and method for connecting a steel wind turbine tower to a concrete fountain |
-
2019
- 2019-04-03 CN CN201920448896.8U patent/CN209854759U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898544A (en) * | 2019-04-03 | 2019-06-18 | 北京工业大学 | A kind of unilateral bolt connection structure of concrete structure with hollow sandwich shaft tower and basis |
| GB2623059A (en) * | 2022-09-28 | 2024-04-10 | Equinor Energy As | Assembly and method for connecting a steel wind turbine tower to a concrete fountain |
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