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Suction bucket foundation with pull-out steel pipe piles and installation method thereof

A pull-resistant steel pipe and suction bucket technology, which is used in infrastructure engineering, sheet pile walls, buildings, etc., can solve problems such as material waste, and achieve the effect of avoiding rapid decline and reducing the risk of foundation failure.

Active Publication Date: 2021-04-20
SUN YAT SEN UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to solve the defects in the prior art, to provide a suction bucket foundation with uplift steel pipe piles and its installation method, which improves the suction bucket foundation through the side friction resistance between the uplift steel pipe piles and soil It solves the problem of soil plug and material waste caused by deepening the barrel length to increase the bearing capacity

Method used

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  • Suction bucket foundation with pull-out steel pipe piles and installation method thereof
  • Suction bucket foundation with pull-out steel pipe piles and installation method thereof
  • Suction bucket foundation with pull-out steel pipe piles and installation method thereof

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Embodiment Construction

[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings, which are all simplified schematic diagrams, and only schematically illustrate the basic structure of the present invention.

[0033] Such as Figure 1-Figure 10 As shown, the suction barrel foundation with uplift-resistant steel pipe piles of the present invention includes a barrel body 1 and an uplift-resistant pile mechanism 2, wherein:

[0034] refer to Figure 1-Figure 6 The barrel body 1 is a barrel-shaped structure with an open bottom and a sealed top, and an inner cabin 11 is formed inside it. A connecting piece 12 is arranged at the center of the top surface of the barrel body 1. The barrel body 1 includes an inner barrel wall 13 and an outer barrel wall 14. The inner barrel wall 13 and the outer barrel wall 14 to form a hollow interlayer 15, the top surface of the barrel body 1 is provided with two water pumping holes 16 that communicate with the out...

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Abstract

The invention discloses a suction bucket foundation with uplift-resistant steel pipe piles and an installation method thereof, comprising a bucket body and an uplift-resistant pile mechanism. The body includes the inner barrel wall and the outer barrel wall. A hollow interlayer is formed between the inner barrel wall and the outer barrel wall. The uplift pile mechanism is arranged in the hollow interlayer and can slide up and down along the hollow interlayer. The uplift pile mechanism includes a base and an uplift steel pipe pile. ;The method of use is as follows: (1) the barrel body sinks under its own weight; (2) the inner cabin pumps water to make the barrel body continue to sink; (3) makes the pullout-resistant steel pipe pile protrude from the middle interlayer and penetrates into the seabed; (4) The high-pressure water in the hollow interlayer is discharged until the underwater grouting fluid fills the hollow interlayer, and the steel pipe pile and the bucket body are integrated after the underwater grouting fluid is solidified; the invention can penetrate the seabed through the anti-pull steel pipe pile and improve the resistance of the suction bucket foundation. Increase the bearing capacity, and solve the problem of soil plug and material waste caused by deepening the barrel length to increase the bearing capacity.

Description

technical field [0001] The invention relates to the technical field of marine engineering foundation design and installation, in particular to a suction bucket foundation with uplift-resistant steel pipe piles and an installation method thereof. Background technique [0002] The suction barrel foundation is often used as the foundation of marine structures such as floating offshore wind power structures and offshore oil exploration platforms. The suction bucket foundation is anchored on the seabed, and the floating marine structure is connected to the suction bucket foundation through catenary lines and other connection methods. Since the offshore structure is under the circulation of sea wind, waves and ocean currents and moves, the suction bucket foundation anchored on the seabed is also subject to cyclic loads. The installation process of the suction barrel foundation is mainly divided into two steps. The first step is to sink to the seabed under the action of gravity an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D27/52E02D5/28
CPCE02D5/285E02D27/52
Inventor 孙凯王复明郭成超马会环
Owner SUN YAT SEN UNIV
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