Construction method for artificial double-domain island for increasing fresh water reserve

A construction method and island technology, which can be used in land filling, infrastructure engineering, construction, etc., can solve the problems of increasing investment costs and reducing the cost performance of islands, and achieve the effects of reducing project costs, exempting fees, and reducing consumption

Active Publication Date: 2020-06-16
HOHAI UNIV
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  • Application Information

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Problems solved by technology

However, adding a new circle of heterogeneous materials will increase the investment cost and reduce the cost performance of the island

Method used

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  • Construction method for artificial double-domain island for increasing fresh water reserve
  • Construction method for artificial double-domain island for increasing fresh water reserve
  • Construction method for artificial double-domain island for increasing fresh water reserve

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Embodiment Construction

[0021] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] A construction method for an artificial double-domain island with increased freshwater storage, comprising the following steps:

[0023] Step 1. Divide the island matrix part and the water-blocking barrier part in the artificial island; specifically, simplify the three-dimensional island into a two-dimensional section, and set up a water-blocking barrier part that does not completely penetrate the aquifer of the island on the periphery of the planned reclamation island.

[0024] Step 2, design the permeability coefficient of the sea island matrix part, the permeability coefficient and the thickness of the water barrier part; the permeability coefficient of the sea island matrix part is K 1 , the permeability coefficient of the water barrier part is K 2 , satisfying K 2 / K 1 The value of is in the interval 0.001-0.000...

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Abstract

The invention discloses a construction method for an artificial double-domain island for increasing the fresh water reserve. The construction method comprises the following steps that step1, an islandmatrix part and a water blocking barrier part in the artificial island are divided; step2, the permeability coefficient of the island matrix part and the permeability coefficient and the thickness ofthe water blocking barrier part are designed; step3, the depth of the water blocking barrier part is confirmed according to the permeability coefficient and the thickness value of the water blockingbarrier part; step4, an artificial blow-filling island area is delineated, and an island foundation is blow-filled; step5, a construction cofferdam is set, and the water blocking barrier part of the double-domain island is formed by utilizing the construction cofferdam; and step6, the island matrix part is blow-filled by utilizing local sea sand to form the artificial double-domain structure island. Firstly, by means of the artificial double-domain island, the island fresh water reserve can be increased, furthermore, the investment cost is not much higher than that of homogeneous islands, therefore, the construction method for the artificial double-domain island for increasing the fresh water reserve has high popularization and application value.

Description

technical field [0001] The invention relates to the field of sustainable utilization of island freshwater resources, in particular to a construction method for an artificial double-domain sea island that increases freshwater storage. Background technique [0002] my country's South China Sea is vast, rich in resources, and has a strong strategic position. The state has repeatedly issued policies and guidelines on the development of the South China Sea, making the scientific and efficient development of the South China Sea a hot topic of discussion. Although the vast waters of the South China Sea are dotted with numerous islands, most of them are small coral reefs with scarce living resources, especially fresh water resources, making the precious natural resources of the South China Sea unguardable and difficult to develop. On this basis, the state regards the artificial island project in the South China Sea as an important guarantee for the development of the South China Se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/18E02D19/04E02D19/18
CPCE02B3/18E02D19/04E02D19/18
Inventor 鲁春辉张加旭刘雨轩闫敏
Owner HOHAI UNIV
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