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A suction-type cylindrical foundation capable of rotating and penetrating downwards

A cylindrical foundation and suction technology, which is applied in the direction of basic structure engineering, construction, etc., can solve the problems that affect the pullout stability and overturning stability of suction anchors, installation failure, suction anchors cannot be completely penetrated, etc., and achieve improvement. The effect of difficulty in installation, reduction of penetration resistance, and elimination of soil clogging

Active Publication Date: 2019-08-27
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This problem prevents the suction anchor from fully penetrating into the subsea soil, which affects the pullout stability and overturning stability of the suction anchor, resulting in failure of installation

Method used

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  • A suction-type cylindrical foundation capable of rotating and penetrating downwards
  • A suction-type cylindrical foundation capable of rotating and penetrating downwards
  • A suction-type cylindrical foundation capable of rotating and penetrating downwards

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Embodiment Construction

[0035] In order to further elaborate the technical means and effects that the present invention adopts for reaching the intended invention purpose, below in conjunction with the accompanying drawings and preferred embodiments, the specific implementation, structure, features and effects of the present invention are described in detail as follows:

[0036] A suction-type cylindrical foundation that can rotate downwards, such as figure 1 As shown, it includes an anchor cylinder 1 with a closed top surface and an open lower end. The top surface of the anchor cylinder 1 is provided with a suction hole 2 connected to a submersible pump. It also includes a rotating power cylinder 4 arranged at the top of the anchor cylinder 1. ,Such as figure 2 , image 3 As shown, the outer diameter of the rotating power cylinder 4 is smaller than the diameter of the anchor cylinder 1, and its inner cavity is provided with a bearing column 41, and the bearing column 41 is provided with at least t...

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Abstract

The invention discloses a suction type barrel-shaped foundation capable of achieving rotary downward penetration, and relates to the technical field of ocean engineering technologies. The suction typebarrel-shaped foundation comprises an anchor barrel with the closed top face and an opening in the lower end, a water drawing hole is formed in the top face of the anchor barrel, a sinking pump is connected to the water drawing hole, and a rotary power barrel is arranged at the top end of the anchor barrel; and a bearing column is arranged in an inner cavity of the rotary power barrel, at least three jetting baffles arranged at intervals are arranged on the bearing column, a round hole is formed in the position, corresponding to each jetting baffle, of the side wall of the rotary power barrel, a guide pipe is arranged at the inner end of each round hole, a pipe opening of each guide pipe right faces the corresponding jetting baffle, and a water outlet hole is formed in the top end of therotary power barrel and is connected with the sinking pump. The suction type barrel-shaped foundation has the beneficial effects that the suction type barrel-shaped foundation can obviously reduce thesuction anchor downward penetration, overcome the installing difficult condition caused by barrel body outer wall structure changes, improve the installing efficiency, can improve the vertical upliftbearing capacity after installation, can achieve downward penetration, and can eliminate the problem of soil blockage.

Description

technical field [0001] The invention relates to the technical field of marine engineering, in particular to a suction-type cylindrical foundation capable of rotating and penetrating downwards. Background technique [0002] Suction cylinder foundation is widely used in marine engineering and has a good development prospect. Its structure is generally a steel cylinder with a closed top and an open bottom. In seawater, it sinks freely under the action of gravity until the lower edge of the cylinder is inserted into the seabed soil. Under the action of internal and external pressure difference, the anchor barrel penetrates slowly. When the top of the anchor barrel is in full contact with the seabed soil, the lower penetration stops. At this time, the submersible pump is removed, and the installation of the suction anchor is completed. [0003] Most of the suction-type cylindrical foundations are passed down vertically. The cylinder wall is smooth, which can reduce the penetra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D27/50E02D27/52
Inventor 陈旭光顾文旭冯涛田澄徐齐宇邱振华张凤鹏孙宝石牛小东
Owner OCEAN UNIV OF CHINA
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