A pile foundation for water conservancy project

Abstract

The utility model discloses a pile foundation for water conservancy projects, comprising a pile cap, a cavity is provided inside the pile cap, multiple plug holes are provided on the outer walls on both sides of the pile cap, and plug pins are slidably plugged inside the plug holes, arc plates are installed at one end of the multiple plug pins through bolts, and the arc plates are slidably connected inside the cavity, a grouting pipe is plugged at the center of the top of the pile cap, and the bottom end of the grouting pipe extends into the cavity; when the utility model installs the pile foundation under water, the configured slurry can be injected into the cavity through the grouting pipe, and then the slurry will squeeze the two arc plates, so that the plug pin slides inside the plug hole, and one end of the plug pin is inserted into the cement soil, so that the firmness between the pile foundation and the underwater soil is improved, and the stability of the pile foundation is greatly improved; the rubber sleeve is wrapped around the outside of the pile foundation composed of concrete, a reinforcement layer and a waterproof cement layer, so that the impact of water on the pile foundation is reduced, thereby improving the service life of the pile foundation.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy projects, in particular to a pile foundation used in water conservancy projects. Background Art

[0002] Water conservancy projects require the construction of different types of hydraulic structures such as dams, dikes, spillways, sluices, water inlets, channels, ferries, rafts, fishways, etc. to achieve their goals. Foundation piles are a foundation composed of piles and a cap connected to the top of the piles. If the pile body is completely buried in the soil and the bottom of the cap is in contact with the soil, it is called a low cap pile foundation; if the upper part of the pile body is exposed to the ground and the bottom of the cap is above the ground, it is called a high cap pile foundation; building pile foundations are usually low cap pile foundations, and the most commonly used in water conservancy projects are foundation piles.

[0003] For example, a foundation pile for a water conservancy project with application number CN202120385663.5 and authorization announcement date 20211019 includes a main body, a limiting plate, a pile column and a sliding plate, and the sliding plate is located on the upper side of the limiting plate, and a connecting plate is provided at the bottom end of the pile column, and a pile head is provided at the bottom end of the connecting plate. Fixed vertical rods are provided on the left and right sides of the top of the main body, and supporting plates are provided on the left and right ends of the main body. A fixing device is provided at the top of each supporting plate, and the fixing device includes a group of fixing plates, and the bottom end of each fixing plate is fixedly connected to the top of the supporting plate, and each group of fixing plates is rotatably connected through a rotating shaft. A short plate is provided at the top of the fixed cross bar, and a threaded hole is provided at one end of the short plate to penetrate left and right. A threaded rod is threadedly connected in the threaded hole, and an anti-slip rod is rotatably provided at one end of the threaded rod, and a jack is provided to penetrate left and right at one end of the fixed vertical rod, which improves the stability of the pile foundation and improves practicality.

[0004] The degree of firmness between the pile foundation for water conservancy projects and the underwater soil is poor, which makes the pile foundation easy to shake and the reinforcement effect is poor, which can easily cause the pile foundation to crack and fall off, posing a major safety hazard. Therefore, it is urgent to design a pile foundation for water conservancy projects to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a pile foundation for water conservancy projects to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A pile foundation for a water conservancy project comprises a pile cap, a cavity is formed inside the pile cap, a plurality of plug holes are formed on the outer walls on both sides of the pile cap, and latch rods are slidably inserted into the plug holes, arc plates are installed at one end of the plurality of latch rods by bolts, and the arc plates are slidably connected to the cavity, a grouting pipe is inserted at the center of the top of the pile cap, and the bottom end of the grouting pipe extends into the cavity.

[0008] Furthermore, a pile head is integrally formed at the bottom end of the pile cap, and an oblique tooth portion is provided on the outside of the pile head.

[0009] Furthermore, a plurality of reinforcing columns are provided on the outer wall at the top of the pile cap, and a steel cage is inserted into the outer wall at the top of the pile cap.

[0010] Furthermore, a plurality of inserting grooves are provided on the outer wall at the top of the pile cap, and the bottom end of the reinforcing column is inserted into the inserting grooves; a plurality of slots are provided on the outer wall at the top of the pile cap, and the bottom end of the steel cage is inserted into the slots.

[0011] Furthermore, a connecting cavity is provided inside the pile cap, and a plurality of through holes are opened at the bottom of the inner wall of the connecting cavity, and the through holes extend into the interior of the connecting cavity.

[0012] Furthermore, a concrete layer is poured at the center of the top of the pile cap, and a reinforcement layer is poured outside the concrete layer, and the reinforcement column is located inside the concrete layer and the reinforcement layer.

[0013] Furthermore, a waterproof cement layer is poured outside the reinforcement layer, the steel cage is located outside the waterproof cement layer, and a rubber sleeve is poured outside the waterproof cement layer.

[0014] In the above technical solution, the utility model provides a pile foundation for water conservancy projects, which has the following beneficial effects:

[0015] (1) By providing a grouting pipe, a cavity, an arc plate and a latch rod, when the pile foundation is installed underwater, the prepared slurry can be injected into the cavity through the grouting pipe, and then the slurry will squeeze the two arc plates, so that the latch rod slides inside the plug hole, so that one end of the latch rod is inserted into the cement soil, so that the firmness between the pile foundation and the underwater soil is improved, and the stability of the pile foundation is greatly improved.

[0016] (2) By setting up a rubber sleeve, the rubber sleeve is wrapped around the outside of the pile foundation composed of concrete, a reinforcement layer and a waterproof cement layer, thereby reducing the impact of water on the pile foundation, thereby increasing the service life of the pile foundation.

[0017] (3) When slurry is injected into the cavity through the provided plug-in grooves, slots, connection cavities and through holes, the slurry will flow into the connection cavity through the through holes, and then flow into the slots and plug-in grooves, thereby improving the connection strength between the steel cage, the reinforcement column and the pile cap. At the same time, the design of the reinforcement column can improve the strength of the pile foundation, thereby improving the impact resistance of the pile foundation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 The utility model provides an overall structural schematic diagram of a pile foundation embodiment for water conservancy projects.

[0020] Figure 2 The present invention is a schematic structural diagram of a pile cap, a rubber sleeve and a waterproof cement layer provided in a pile foundation embodiment for a water conservancy project according to the present invention.

[0021] Figure 3 The utility model is a schematic diagram of a pile cap and a grouting pipe structure provided in a pile foundation embodiment for a water conservancy project.

[0022] Figure 4 The present invention is a schematic diagram of the planar structure of a pile cap and a grouting pipe provided in a pile foundation embodiment for a water conservancy project according to the utility model.

[0023] Description of reference numerals:

[0024] 1. Pile cap; 2. Pile head; 3. Bevel tooth; 4. Plug hole; 5. Latch rod; 6. Rubber sleeve; 7. Concrete layer; 8. Reinforcement layer; 9. Waterproof cement layer; 10. Steel cage; 11. Reinforcement column; 12. Grouting pipe; 13. Plug groove; 14. Slot; 15. Cavity; 16. Arc plate; 17. Connection cavity; 18. Through hole. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] like Figure 1-4 As shown, a pile foundation for a water conservancy project provided by an embodiment of the utility model includes a pile cap 1, a cavity 15 is opened inside the pile cap 1, multiple plug holes 4 are opened on the outer walls on both sides of the pile cap 1, and latch rods 5 are slidably inserted in the plug holes 4, one end of the multiple latch rods 5 is installed with an arc plate 16 by bolts, and the arc plate 16 is slidably connected to the inside of the cavity 15, a grouting pipe 12 is inserted at the top center of the pile cap 1, and the bottom end of the grouting pipe 12 extends to the inside of the cavity 15.

[0027] Specifically, in the present embodiment, a pile cap 1 is provided, a cavity 15 is provided inside the pile cap 1, a plurality of plug holes 4 are provided on the outer walls on both sides of the pile cap 1, and a latch rod 5 is slidably plugged inside the plug hole 4. The latch rod 5 is inserted into the soil, which can improve the connection strength between the pile cap 1 and the bottom of the water. An arc plate 16 is installed at one end of the plurality of latch rods 5 by bolts, and the arc plate 16 is slidably connected inside the cavity 15. A grouting pipe 12 is inserted at the center of the top of the pile cap 1, and the configured slurry is injected into the cavity 15 through the grouting pipe 12, and then the slurry squeezes the two arc plates 16, so that the latch rod 5 slides inside the plug hole 4, so that one end of the latch rod 5 is inserted into the cement soil, so that the firmness between the pile foundation and the bottom soil is improved, and the bottom end of the grouting pipe 12 extends to the inside of the cavity 15.

[0028] The utility model provides a pile foundation for water conservancy projects. When the pile foundation is installed on the bottom of water, a prepared slurry can be injected into the cavity 15 through a grouting pipe 12, and then the slurry will squeeze the two arc-shaped plates 16, so that the latch rod 5 slides inside the plug hole 4, so that one end of the latch rod 5 is inserted into the cement soil, so that the firmness between the pile foundation and the bottom soil is improved, and the stability of the pile foundation is greatly improved.

[0029] In one embodiment provided by the present utility model, Figure 1-4 As shown, a pile head 2 is integrally formed at the bottom end of the pile cap 1, and an oblique tooth portion 3 is provided on the outside of the pile head 2. The oblique tooth portion 3 facilitates the pile head 2 to drill into the soil. A plurality of reinforcing columns 11 are provided on the top outer wall of the pile cap 1. The design of the reinforcing columns 11 can improve the strength of the pile foundation, thereby improving the impact resistance of the pile foundation. A steel cage 10 is inserted into the top outer wall of the pile cap 1.

[0030] In another embodiment provided by the present utility model, Figure 1-4 As shown, a plurality of plug-in grooves 13 are provided on the top outer wall of the pile cap 1, and the bottom end of the reinforcing column 11 is plugged into the plug-in groove 13. A plurality of slots 14 are provided on the top outer wall of the pile cap 1, and the bottom end of the steel cage 10 is plugged into the slot 14. A connecting cavity 17 is provided inside the pile cap 1, and a plurality of through holes 18 are provided at the bottom of the inner wall of the connecting cavity 17. When slurry is injected into the cavity 15, the slurry will flow into the connecting cavity 17 through the through holes 18, and then flow into the slots 14 and the plug-in grooves 13, so that the connection strength between the steel cage 10, the reinforcing column 11 and the pile cap 1 is improved. At the same time, the design of the reinforcing column 11 can improve the strength of the pile foundation, so that the impact resistance of the pile foundation is improved, and the through holes 18 extend to the inside of the connecting cavity 17.

[0031] In another embodiment provided by the present utility model, Figure 2As shown, a concrete layer 7 is poured at the top center of the pile cap 1, and a reinforcement layer 8 is poured outside the concrete layer 7. The reinforcement layer 8 is composed of mortar, concrete, and glass fiber and has strong impact resistance. The reinforcement column 11 is located inside the concrete layer 7 and the reinforcement layer 8. A waterproof cement layer 9 is poured outside the reinforcement layer 8. The waterproof cement layer 9 is composed of waterproof cement casting. When the rubber sleeve 6 is damaged, the waterproof ability of the pile foundation can be improved. The steel cage 10 is located outside the waterproof cement layer 9. The rubber sleeve 6 is poured outside the waterproof cement layer 9. The rubber sleeve 6 is wrapped around the outside of the pile foundation, so that the outside of the pile foundation has enhanced elasticity, which greatly reduces the impact of water on the pile foundation.

[0032] Example 1

[0033] A pile foundation for a water conservancy project comprises a pile cap 1, a cavity 15 is provided inside the pile cap 1, a plurality of plug holes 4 are provided on both side outer walls of the pile cap 1, and a latch rod 5 is slidably plugged inside the plug hole 4, the latch rod 5 is inserted into the soil, and the connection strength between the pile cap 1 and the bottom of the water can be improved, one end of the plurality of latch rods 5 is installed with an arc plate 16 by bolts, and the arc plate 16 is slidably connected inside the cavity 15, a grouting pipe 12 is inserted at the top center of the pile cap 1, and a configured slurry is injected into the cavity 15 through the grouting pipe 12, and then the slurry squeezes the two arc plates 16, so that the latch rod 5 slides inside the plug hole 4, and one end of the latch rod 5 is inserted into the cement soil, so that the firmness between the pile foundation and the bottom soil is improved, and the bottom end of the grouting pipe 12 extends to the inside of the cavity 15.

[0034] Example 2

[0035] This embodiment is further limited on the basis of the embodiment 1, wherein a pile head 2 is integrally formed at the bottom end of the pile cap 1, and an oblique tooth portion 3 is provided on the outside of the pile head 2, which facilitates the pile head 2 to drill into the soil, and a plurality of reinforcing columns 11 are provided on the top outer wall of the pile cap 1. The design of the reinforcing columns 11 can improve the strength of the pile foundation, thereby improving the impact resistance of the pile foundation, and a steel cage 10 is inserted on the top outer wall of the pile cap 1; a plurality of plug-in grooves 13 are provided on the top outer wall of the pile cap 1, and the bottom ends of the reinforcing columns 11 are inserted into the plug-in grooves 13, and a plurality of slots 14 are provided on the top outer wall of the pile cap 1, and the bottom ends of the steel cage 10 are inserted into the slots 14, and a connecting cavity 17 is provided inside the pile cap 1, and a plurality of through holes 18 are provided at the bottom of the inner wall of the connecting cavity 17. When slurry is injected into the cavity 15, the slurry will flow into the connecting cavity 17 through the through holes 18, and then flow into the slots 14 and the plug-in grooves 13. The through hole 18 extends to the inside of the connecting cavity 17; a concrete layer 7 is poured at the center of the top of the pile cap 1, and a reinforcing layer 8 is poured outside the concrete layer 7. The reinforcing layer 8 is composed of mortar, concrete, and glass fiber and has strong impact resistance. The reinforcing column 11 is located inside the concrete layer 7 and the reinforcing layer 8. A waterproof cement layer 9 is poured outside the reinforcing layer 8. The waterproof cement layer 9 is composed of waterproof cement casting. When the rubber sleeve 6 is damaged, the waterproof ability of the pile foundation can be improved. The steel cage 10 is located outside the waterproof cement layer 9. A rubber sleeve 6 is poured outside the waterproof cement layer 9. The rubber sleeve 6 is wrapped around the outside of the pile foundation, so that the outside of the pile foundation has enhanced elasticity, which greatly reduces the impact of water on the pile foundation.

[0036] Working principle: When arranging pile foundations underwater, the sleeve can be inserted into the water, and then drilling is performed, and then the structure consisting of the prepared pile cap 1 and pile head 2 is placed into the drilled cavity, and then multiple sleeves are placed in sequence, and then the reinforcing column 11 is plugged into the pile cap 1 through the innermost plug-in groove 13, and then concrete is injected into the sleeve to form the concrete layer 7, and then a sleeve is pulled out, and the reinforcing column 11 is installed on the pile cap 1, and then the configured slurry is injected to form the reinforcing layer 8, and then the above steps are repeated to pull out the sleeve, and then the steel cage 10 is inserted into the pile cap 1 through the slot 14, and then the above steps are continued to be repeated to pour cement to form the waterproof cement layer 9, and then the above steps are continued to be repeated to pour rubber to form the rubber sleeve 6, and then the last A sleeve makes the pile foundation contact with water. When water flows, the rubber sleeve 6 is wrapped around the outside of the pile foundation, so that the outside of the pile foundation has enhanced elasticity, which greatly reduces the impact of water on the pile foundation. Then, the configured slurry is injected into the cavity 15 through the grouting pipe 12, and then the slurry will squeeze the two arc plates 16, so that the latch rod 5 slides inside the plug hole 4, so that one end of the latch rod 5 is inserted into the cement soil, so that the firmness between the pile foundation and the underwater soil is improved. At the same time, when the slurry is injected into the cavity 15, the slurry will flow into the connecting cavity 17 through the through hole 18, and then flow into the slot 14 and the plug groove 13, so that the connection strength between the steel cage 10, the reinforcement column 11 and the pile cap 1 is improved. At the same time, the design of the reinforcement column 11 can improve the strength of the pile foundation, so that the impact resistance of the pile foundation is improved.

[0037] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A pile foundation for a water conservancy project, comprising a pile cap (1), characterized in that: A cavity (15) is provided inside the pile cap (1), and multiple plug holes (4) are provided on the outer walls on both sides of the pile cap (1), and latch rods (5) are slidably inserted into the plug holes (4), and one end of the multiple latch rods (5) is installed with an arc plate (16) through bolts, and the arc plate (16) is slidably connected to the cavity (15), and a grouting pipe (12) is inserted at the center of the top of the pile cap (1), and the bottom end of the grouting pipe (12) extends into the cavity (15).

2. A pile foundation for water conservancy projects according to claim 1, characterized in that: A pile head (2) is integrally formed at the bottom end of the pile cap (1), and an oblique tooth portion (3) is provided outside the pile head (2).

3. A pile foundation for water conservancy projects according to claim 1, characterized in that: A plurality of reinforcing columns (11) are provided on the top outer wall of the pile cap (1), and a steel cage (10) is inserted into the top outer wall of the pile cap (1).

4. A pile foundation for water conservancy projects according to claim 3, characterized in that: The top outer wall of the pile cap (1) is provided with a plurality of insertion grooves (13), the bottom ends of the reinforcing columns (11) are inserted into the insertion grooves (13), the top outer wall of the pile cap (1) is provided with a plurality of slots (14), the bottom ends of the steel cage (10) are inserted into the slots (14).

5. A pile foundation for water conservancy projects according to claim 4, characterized in that: A connecting cavity (17) is provided inside the pile cap (1), and a plurality of through holes (18) are provided at the bottom of the inner wall of the connecting cavity (17), wherein the through holes (18) extend into the interior of the connecting cavity (17).

6. A pile foundation for water conservancy projects according to claim 3, characterized in that: A concrete layer (7) is poured at the center of the top of the pile cap (1), and a reinforcement layer (8) is poured outside the concrete layer (7), and the reinforcement column (11) is located inside the concrete layer (7) and the reinforcement layer (8).

7. A pile foundation for water conservancy projects according to claim 6, characterized in that: A waterproof cement layer (9) is poured outside the reinforcement layer (8), the steel cage (10) is located outside the waterproof cement layer (9), and a rubber sleeve (6) is poured outside the waterproof cement layer (9).

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