A construction method for artificial dual-domain islands with increased freshwater storage

A construction method and island technology, which can be used in water filling, infrastructure engineering, construction, etc., can solve the problems of reducing the cost performance of the island and increasing the investment cost, and achieve the effect of exempting costs, reducing project costs, and increasing freshwater reserves.

Active Publication Date: 2021-05-11
HOHAI UNIV
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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

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  • A construction method for artificial dual-domain islands with increased freshwater storage
  • A construction method for artificial dual-domain islands with increased freshwater storage
  • A construction method for artificial dual-domain islands with increased freshwater storage

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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 blocking barrier part; the permeability coefficient of the sea island matrix part is K 1 , The permeability coefficient of the water blocking barrier part is K 2 , satisfying K 2 / K 1 The value of is in the in...

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Abstract

The invention discloses a construction method of an artificial double-domain sea island with increased fresh water reserves, comprising the following steps: step 1, dividing the island matrix part and the water-blocking barrier part in the artificial sea island; step 2, designing the permeability coefficient and barrier of the sea island matrix part The permeability coefficient and thickness of the water barrier part; step 3, according to the value of the permeability coefficient and thickness of the water barrier part, determine the depth of the water blocking barrier part; step 4, delineate the artificial dredging and reclamation island area, and dredge the island foundation; step 5 1. Set up the construction cofferdam, and use the construction cofferdam to form the water-blocking barrier part of the dual-domain island; step 6, use the local sea sand to fill the matrix part of the island to form an artificial dual-domain structure island. First of all, the artificial dual-domain sea island of the present invention can not only increase the fresh water reserves of the sea island, but also the investment cost does not increase much compared with the homogeneous sea island, so it has high promotion 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] In order to support the sustainable development of artificial islands, expanding the volume of freshwater storage in the islands will become a top priority. According to the latest research results of the inventor, adding an aquitard around the island can effectively slow down the intrusion of seawater and increase the fresh water storage in the island. However, adding a new circle of heterogeneous materials will increase investment costs and reduce the cost performance of the island. Therefore, the scientific planning of an island construction method with a dual-domain structure will become the key to improving the cost performance of artificial islands. Contents of the invention [0003] Purpose of the inventi...

Claims

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Application Information

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Patent Type & Authority Patents(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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