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Barrel-shaped foundation capable of weakening soil plug phenomenon

A barrel-shaped foundation and phenomenon technology, which is applied to the barrel-shaped foundation field of marine engineering, can solve problems such as increasing construction difficulty and increasing construction costs, and achieves the effects of low price, reduction of hydraulic gradient, and elimination of soil plug phenomenon.

Active Publication Date: 2019-02-05
HEFEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The limitations of this technology are: spraying high-pressure water on the top of the barrel, on the one hand, reduces the pressure difference inside and outside the barrel, and reduces the penetration load; Construction difficulty, increased construction costs

Method used

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  • Barrel-shaped foundation capable of weakening soil plug phenomenon
  • Barrel-shaped foundation capable of weakening soil plug phenomenon
  • Barrel-shaped foundation capable of weakening soil plug phenomenon

Examples

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Embodiment Construction

[0031] See the accompanying drawings (the arrows in the figure indicate the flow path of water and air):

[0032] A bucket-shaped foundation capable of reducing soil plugging, including a cylinder 1, a top plate 2, and a partition 5. The top of the cylinder 1 is sealed and connected with a top plate 2 to form an inverted barrel shape, and the top plate 2 is provided with a water inlet valve 3;

[0033] The inner wall of the cylinder 1 is provided with a plurality of partitions 5 distributed at intervals, and the partitions 5 are in sealing contact with the inner wall of the cylinder 1;

[0034] All partitions 5 are set within 1 / 2 of the cylinder height from the top of the barrel; the spacing between the partitions 5 is not equidistant, and the spacing between adjacent partitions 5 gradually decreases from bottom to top;

[0035] The partitions 5 are made of brittle materials, and each partition 5 is provided with an eccentric reserved hole 6;

[0036] After each dividing plat...

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Abstract

The invention discloses a barrel-shaped foundation capable of weakening the soil plug phenomenon. The barrel-shaped foundation comprises a barrel, a top plate and partition plates. The top of the barrel is in sealed connection with the top plate, an inverted barrel shape is formed, and the top plate is provided with a water inlet valve. The multiple partition plates distributed at intervals are arranged on the inner wall of the barrel and are in seal contact with the inner wall of the barrel. The distances between the adjacent partition plates are gradually reduced from bottom to top. The partition plates are made of fragile materials, and each partition plate is provided with an eccentric reserved hole. After the partition plates are installed, a water flow flowing path formed by the water inlet and outlet valve and the reserved holes in the adjacent partition plates is the longest. After the multiple partition plates are arranged inside, water and air can only flow through the reserved holes between the adjacent partition plates, the water flowing path is greatly increased, the hydraulic gradient inside and outside the barrel is greatly reduced, and accordingly the effect that the soil plug phenomenon is weakened and even eliminated is achieved. The partition plates are made of fragile and circular plastic sheets, the price is low, the partition plates are jacked to be brokenthrough a seabed soil body in the injection process, accordingly, a plurality of fragments are formed, and influences on construction are avoided.

Description

Technical field: [0001] The invention relates to a barrel-shaped foundation for ocean engineering, in particular to a barrel-shaped foundation capable of reducing soil plugging. Background technique: [0002] The barrel foundation was produced in Norway in the 1990s. It is a circular plate foundation with a skirt. Because of its characteristics of reducing engineering volume, saving investment, shortening offshore construction time, and being reusable, it has been gradually used to Offshore platform and offshore wind power foundation. [0003] There are still some problems to be solved urgently in the design, construction and installation of the barrel foundation. Among them, the phenomenon of soil plugging is one of the problems that plague the barrel foundation technology in recent years. The so-called soil plugging phenomenon refers to the fact that when the barrel-shaped foundation penetrates into the seabed, the mud surface in the barrel is raised upwards under the ac...

Claims

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Application Information

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IPC IPC(8): E02D27/42E02D27/52
CPCE02D27/425E02D27/52
Inventor 刘金龙刘洁群
Owner HEFEI UNIV
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