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Suction bucket foundation with anti-pull steel pipe pile and mounting method thereof

An anti-pulling steel pipe and suction bucket technology, applied 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: 2020-07-31
SUN YAT SEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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 anti-pull steel pipe pile and mounting method thereof
  • Suction bucket foundation with anti-pull steel pipe pile and mounting method thereof
  • Suction bucket foundation with anti-pull steel pipe pile and mounting 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] like 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 outsid...

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Abstract

The invention discloses a suction bucket foundation with an anti-pull steel pipe pile and a mounting method thereof. The suction bucket foundation comprises a bucket body and an anti-pull pile mechanism. The bucket body is of a bucket-shaped structure with an open bottom and a sealed top, and an inner bin is formed in the bucket body. The bucket body comprises an inner bucket wall and an outer bucket wall, and a hollow interlayer is formed between the inner bucket wall and the outer bucket wall. The anti-pull pile mechanism is arranged in the hollow interlayer and can vertically slide along the hollow interlayer. The anti-pull pile mechanism comprises a base and the anti-pull steel pipe pile. The use method comprises the following steps that (1) the bucket body sinks due to the dead weight; (2) water is extracted out of the inner bin, and the bucket body continues to sink; (3) the anti-pull steel pipe pile stretches out of the hollow interlayer and penetrates into a seabed; and (4) high-pressure water in the hollow interlayer is drained to underwater grouting liquid to fill the hollow interlayer, and after the underwater grouting liquid is solidified, the steel pipe pile and the bucket body form a whole. According to the suction bucket foundation with the anti-pull steel pipe pile and the mounting method thereof, the anti-pull steel pipe pile can penetrate into the seabed, theanti-pull bearing capacity of the suction bucket foundation is improved, and the problems of soil blocking and material waste caused by bucket length increase and bearing capacity improving are solved.

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 Applications(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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