CN212983917U - Steel-pipe pile foundation stress diffusion structure - Google Patents
Steel-pipe pile foundation stress diffusion structure Download PDFInfo
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- CN212983917U CN212983917U CN202020856681.2U CN202020856681U CN212983917U CN 212983917 U CN212983917 U CN 212983917U CN 202020856681 U CN202020856681 U CN 202020856681U CN 212983917 U CN212983917 U CN 212983917U
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Abstract
The utility model discloses a steel-pipe pile foundation stress diffusion structure has following characteristics: the structure comprises an annular steel plate and a triangular stiffening steel plate which are welded at the bottom of the steel pipe pile, and the annular steel plate and the triangular stiffening steel plate are embedded into the concrete pile foundation together with the steel pipe pile. The utility model has the advantages of as follows: the utility model discloses an at steel pipe bottom welding annular steel sheet, increased the area of contact of steel pipe bottom and concrete, made the basic concrete change into by the shear state and used the pressurized to give first place to, make full use of the bearing capacity of concrete, improved the atress condition of steel-pipe pile and concrete. The steel pipe pile foundation stress diffusion structure can greatly reduce the embedding depth of the steel pipe in the concrete under the same load condition, saves resources, and is safe and reliable.
Description
Technical Field
The utility model relates to a steel pipe and concrete combined pile foundation field, particularly stress diffusion structure in steel-pipe pile root embedding concrete.
Background
With the rapid development of the national traffic infrastructure construction, the construction of various cast-in-place structures on land or in water is completed by adopting temporary engineering measures such as large-diameter steel pipe pile supports, steel pipe pile platforms, steel pipe pile trestles and the like. The foundation treatment of the steel pipe pile, especially under the unfavorable conditions such as wading, is vital, often directly imbeds the steel pipe into the concrete and forms the combination pile foundation, receives to cut through the concrete and provides the support counter-force or the resistance to plucking of steel pipe pile, and this method often needs to imbed the steel pipe of great degree of depth in the concrete and just can satisfy the atress demand, and consequently, the material waste is great, and engineering cost is higher relatively, also does not do benefit to energy saving and consumption reduction.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above insufficiency, the utility model provides a steel-pipe pile foundation stress diffusion structure here improves the atress condition of steel-pipe pile and concrete, reduces the material waste by a wide margin.
The utility model is realized in such a way, a steel pipe pile foundation stress diffusion structure is constructed, which is characterized in that; including welding in the annular steel sheet and the triangle-shaped steel sheet of putting more energy into of steel-pipe pile bottom, along with the steel-pipe pile together imbeds in the concrete pile foundation to at the concrete pile foundation top of newly pouring do the temporary fixation to the steel-pipe pile with shaped steel, remove the temporary fixation after waiting the concrete hardening.
The steel pipe pile foundation stress diffusion structure is characterized in that the steel pipe pile foundation stress diffusion structure comprises a steel pipe pile foundation and a steel pipe pile foundation; the annular steel plate is 12mm thick, and its outside diameter is 220mm bigger than the steel-pipe pile diameter, and the internal diameter is 100mm less than the steel-pipe pile diameter, and annular steel plate is perpendicular to the steel-pipe pile, and its center coincidence is in the steel-pipe pile axis, and annular steel plate and steel-pipe pile bottom full weld are connected.
The steel pipe pile foundation stress diffusion structure is characterized in that the steel pipe pile foundation stress diffusion structure comprises a steel pipe pile foundation and a steel pipe pile foundation; the triangle-shaped steel sheet of putting more energy into is thick 20mm, and the steel sheet is isosceles right triangle-shaped, and right angle length of a side 100mm, the triangle-shaped steel sheet of putting more energy into is arranged 4 according to every annular steel sheet and evenly arranges in the symmetry all around the steel-pipe pile, and the triangle-shaped steel sheet of putting more energy into is perpendicular welding respectively on annular steel sheet and steel-pipe pile.
The steel pipe pile foundation stress diffusion structure is characterized in that the steel pipe pile foundation stress diffusion structure comprises a steel pipe pile foundation and a steel pipe pile foundation; the length of the steel pipe pile is 2-3 m, and the pile top is exposed out of the ground or the water surface after the steel pipe pile is embedded into concrete, so that the steel pipe pile is convenient to heighten and lengthen.
The steel pipe pile foundation stress diffusion structure is characterized in that the steel pipe pile foundation stress diffusion structure comprises a steel pipe pile foundation and a steel pipe pile foundation; after the steel pipe pile is embedded into newly poured concrete, the steel pipe pile is temporarily fixed at the top of a concrete pile foundation by using profile steel, and the temporary fixation is removed after the concrete is hardened.
The utility model has the advantages of as follows: the utility model discloses an at steel pipe bottom welding annular steel sheet, increased the area of contact of steel pipe bottom and concrete, made the basic concrete change into by the shear state and used the pressurized to give first place to, make full use of the bearing capacity of concrete, improved the atress condition of steel-pipe pile and concrete. The steel pipe pile foundation stress diffusion structure can greatly reduce the embedding depth of the steel pipe in the concrete under the same load condition, saves resources, and is safe and reliable.
Drawings
FIG. 1 is a schematic diagram of the implementation process of the present invention;
FIG. 2 is a schematic diagram of the construction of the present invention;
FIG. 3 is a schematic sectional view of the structure of the present invention;
fig. 4 is a schematic view of the annular steel plate of the present invention.
Wherein: annular steel sheet 1, triangle-shaped steel sheet 2 of putting more energy into, steel-pipe pile 3, interim fixed shaped steel 4.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (c); the utility model provides a steel pipe pile foundation stress diffusion structure through improvement, which improves the stress condition of the steel pipe pile and the concrete and greatly reduces the material waste; as shown in fig. 1 to 4, it can be implemented as follows;
the utility model discloses a weld in annular steel sheet 1 and triangle-shaped stiffening steel sheet 2 of 3 bottoms of steel-pipe pile, utilize hoisting machinery before pile foundation concrete initial set in the 3 embedding pile foundation concrete of steel-pipe pile that will install steel-pipe pile foundation stress diffusion structure, and make interim fixing at the concrete pile foundation top of newly pouring with shaped steel 4 to steel-pipe pile 3, remove interim fixing after treating the concrete hardening, can weld behind the concrete strength reaches more than 10MPa and lengthen steel-pipe pile to the height (length) that needs.
The utility model has the advantages of as follows: the utility model discloses an at steel pipe bottom welding annular steel sheet, increased the area of contact of steel pipe bottom and concrete, made the basic concrete change into by the shear state and used the pressurized to give first place to, make full use of the bearing capacity of concrete, improved the atress condition of steel-pipe pile and concrete. The steel pipe pile foundation stress diffusion structure can greatly reduce the embedding depth of the steel pipe in the concrete under the same load condition, saves resources, and is safe and reliable.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (2)
1. A steel pipe pile foundation stress diffusion structure is characterized in that;
the steel pipe pile foundation structure comprises an annular steel plate (1) and a triangular stiffening steel plate (2) which are welded at the bottom of a steel pipe pile (3), the annular steel plate and the triangular stiffening steel plate are embedded into pile foundation concrete along with the steel pipe pile (3), and the steel pipe pile (3) is temporarily fixed by section steel (4) at the top of a concrete pile foundation;
the annular steel plate (1) is 12mm thick, the outer diameter of the annular steel plate is 220mm larger than the diameter of the steel pipe pile, the inner diameter of the annular steel plate is 100mm smaller than the diameter of the steel pipe pile, the annular steel plate (1) is perpendicular to the steel pipe pile (3), the center of the annular steel plate is coincided with the axis of the steel pipe pile (3), and the annular steel plate (1) is in full-weld connection with the bottom end of the steel pipe pile (;
triangle-shaped steel sheet (2) of putting more energy into is 20mm thick, and the steel sheet is isosceles right triangle-shaped, and right angle length of side 100mm, triangle-shaped steel sheet (2) of putting more energy into are arranged 4 according to every annular steel sheet (1) and are evenly arranged at steel-pipe pile (3) symmetry all around, and triangle-shaped steel sheet (2) of putting more energy into is perpendicularly welded respectively on annular steel sheet (1) and steel-pipe pile (3).
2. The steel pipe pile foundation stress diffusion structure according to claim 1, characterized in that; the length of the steel pipe pile (3) is 2-3 m, and the pile top is exposed out of the ground or the water surface after the steel pipe pile is embedded into concrete, so that heightening and lengthening are facilitated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020856681.2U CN212983917U (en) | 2020-05-21 | 2020-05-21 | Steel-pipe pile foundation stress diffusion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020856681.2U CN212983917U (en) | 2020-05-21 | 2020-05-21 | Steel-pipe pile foundation stress diffusion structure |
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| Publication Number | Publication Date |
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| CN212983917U true CN212983917U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020856681.2U Active CN212983917U (en) | 2020-05-21 | 2020-05-21 | Steel-pipe pile foundation stress diffusion structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319320A (en) * | 2021-12-29 | 2022-04-12 | 中交二航局第二工程有限公司 | Temporary pier steel pipe pile and floating installation method thereof |
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2020
- 2020-05-21 CN CN202020856681.2U patent/CN212983917U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319320A (en) * | 2021-12-29 | 2022-04-12 | 中交二航局第二工程有限公司 | Temporary pier steel pipe pile and floating installation method thereof |
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