Embedded piles and methods for constructing embedded piles

Abstract

To propose a buried pile and a construction method for the buried pile, which utilizes the buoyancy of a pile to reduce the load on a crane and reduce the labor and cost of construction.SOLUTION: A buried pile 2, which is buried in a borehole formed in bottom of the water, comprises a hollow pile body 3, a bottom cover 4 that closes bottom of the pile body 3, a top cover 5 that closes top of the pile body 3, and a filling pipe 6 that is piped from the top to the bottom of the pile body 3 inside the pile body 3. A water injection hole 51 for injecting water into the pile body 3 is formed in a head, and the filling pipe 6 is connected to a through hole 32 formed in the bottom of the pile body 3.SELECTED DRAWING: Figure 2

Claims

1. A buried pile to be installed in a borehole formed at the bottom of the sea, The hollow pile body, A lower cover that closes the lower part of the pile body, An upper cover that closes the upper part of the pile body, A filling pipe is installed inside the pile body, running from the top to the bottom of the pile body. The pile body is equipped with a water injection pipe that runs from the top to the bottom of the pile body, A water injection hole for injecting water into the pile body is formed at the top. The upper end of the water injection pipe is connected to the water injection hole, and the lower end of the water injection pipe is open in the lower part of the interior of the pile body and above the lower cover. The embedded pile is characterized in that the filling pipe communicates with a through hole formed in the lower part of the pile body.

2. The top cover has the water inlet hole and exhaust hole formed therein. The embedded pile according to claim 1, characterized in that the water injection hole and the exhaust hole are provided with a valve, a check valve, or a blocking cap.

3. The embedded pile according to claim 1, characterized in that the filling pipe is provided with a valve, a check valve, or a closing cap.

4. A method for constructing an embedded pile, wherein the embedded pile described in any one of claims 1 to 3 is installed on the seabed, The process involves lifting the upper end of the embedded pile to erect it underwater, The insertion step involves inserting the embedded pile into the excavated hole, The system includes a filling step of filling the gap between the embedded pile and the excavated hole with a filler material, A method for constructing embedded piles, characterized in that, in the erection process, water is poured into the inside of the pile body.

5. The method for constructing an embedded pile according to claim 4, characterized in that the amount of water injected is measured and the apparent weight of the embedded pile is controlled.

6. The method for constructing an embedded pile according to claim 4, further comprising a pile transport step of towing the embedded pile to a predetermined position while it is floating on the water.

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