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Suction penetrating arc-shaped plate anchor, mounting tool for same and construction method for same

A plate anchor and arc-shaped technology, which is applied in the field of construction and marine engineering design, can solve the problems of uncontrollable buried depth loss, etc., and achieve the effects of increasing bearing capacity, reducing penetration depth, and large vertical tension load

Inactive Publication Date: 2014-04-16
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problem that the buried depth loss of the existing suction penetration plate anchor cannot be controlled during the installation and rotation process of the plate anchor, the present invention improves the existing suction penetration plate anchor and provides a new type of suction penetration arc plate anchor

Method used

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  • Suction penetrating arc-shaped plate anchor, mounting tool for same and construction method for same
  • Suction penetrating arc-shaped plate anchor, mounting tool for same and construction method for same

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Embodiment Construction

[0022] The structure of the suction penetrating arc plate anchor of the present invention is as follows: figure 1 As shown, it includes an anchor body, the anchor body is provided with an anchor leg 11, the anchor leg is provided with an anchor eye, and the anchor eye is connected with an anchor chain (not shown in the anchor chain figure), as can be seen from the figure, the anchor body is a The arc-shaped anchor body 2 is respectively provided with connecting rods 4 on both sides of the arc-shaped anchor body 2. The connecting rod 4 is provided with a notch 6, and the notch 6 is provided with a pin hole 7 and a pin. The middle part is provided with socket 10.

[0023] Installation tool structure of the present invention is as figure 1 As shown: it includes a negative pressure barrel body 1; the bottom side of the negative pressure barrel body 1 is provided with a gap 3 for installing an arc-shaped anchor body 2, and the barrel body walls at both ends of the gap 3 are respec...

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Abstract

The invention discloses a suction penetrating arc-shaped plate anchor, a mounting tool for the same and a construction method for the same. An anchor body of the arc-shaped plate anchor is arc-shaped, the mounting tool is a negative-pressure bucket with a bottom notch, and the arc-shaped plate anchor is covered on the bottom notch of the negative-pressure bucket and is penetrated into soil by an existing method. After the arc-shaped plate anchor is mounted in place under the action of negative pressure, the arc-shaped plate anchor firstly turns in situ by the aid of the negative-pressure bucket, the buried depth of the arc-shaped plate anchor cannot be decreased under the restraint action of the negative-pressure bucket, the buried position of the arc-shaped plate anchor after turning can be precisely controlled, and the arc-shaped plate anchor has the advantages of convenience in operation and capability of bearing large vertical tensioning loads, complexity of mounting the plate anchor can be reduced, and the negative-pressure bucket mounting depth can be decreased. The plate anchor are restrained to turn in situ into a deeper soil layer, so that bearing capacity of the plate anchor is increased, and the negative-pressure bucket penetrating depth is decreased.

Description

technical field [0001] The invention belongs to the technical field of marine engineering design and construction, and in particular relates to a plate anchor for mooring a deep-water floating marine structure. Background technique [0002] With the exploitation of oil and gas resources, higher requirements are put forward for the deep-water mooring positioning technology of offshore oil production platforms. Based on the consideration of reducing costs and improving mooring efficiency, deep-water mooring has gradually abandoned the traditional catenary mooring, but more and more uses multi-component mooring lines (steel chains, metal cables and synthetic fiber ropes, etc.) tensioned or semi-tensioned mooring system. At this time, the load angle acting on the anchor body generally exceeds the seabed level by more than 30°, and the anchor body needs to bear a large vertical pull-out load. At present, the deep-water mooring foundations that are developing rapidly and widely ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B21/24
Inventor 王腾高玉峰张玉哲
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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