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Method for promoting siltation and sand consolidation on beach by utilizing natural energy

A technology of natural energy and beach, applied in the field of reclaiming the sea and promoting siltation and sand solidification, it can solve the problems of difficult implementation, long construction period and large investment in the development of marine engineering, so as to change the irregular accumulation of sediment, beautify the environment, and improve safety. The effect of coefficients

Active Publication Date: 2016-09-28
宁波高新区围海工程技术开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned unfavorable factors constitute considerable technical difficulties in the silting promotion and sand consolidation project. The large investment, long construction period and low energy have brought a series of difficulties to the implementation of the development of marine projects.

Method used

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  • Method for promoting siltation and sand consolidation on beach by utilizing natural energy
  • Method for promoting siltation and sand consolidation on beach by utilizing natural energy
  • Method for promoting siltation and sand consolidation on beach by utilizing natural energy

Examples

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Effect test

Embodiment 1

[0036] Embodiment 1 is the method for utilizing natural energy to promote silting and sand consolidation at river estuaries. The total area of ​​tidal flats in my country is 2.1704 million hectares, which is a valuable asset for the development of marine industry. Tidal flats are not only an important land resource and space resource, but also contain various minerals, organisms and other marine resources. Most of these tidal flats are distributed near harbors and estuaries. When rivers carry large amounts of silt into the ocean, the silt builds up near the coast and settles over time as land. When the sea tide rushes into the estuary, the water body carries a large amount of sediment and accumulates near the coast of the estuary. At this time, the sediment requires the coastline to move towards the ocean, and the water body requires to rush across the coastline. This pair of contradictions is repeated, forming the underwater topography and shoreline shape in the estuary are...

Embodiment 2

[0047] Embodiment 2 Utilizes natural energy to promote sedimentation method in coastal tidal flats. my country's coastal areas are densely populated and the land area is small. In order to ensure the balance of the total land area and sustainable economic development, expanding the land area through reclamation of tidal flats has become an effective means. For thousands of years, the people along the coast insisted on competing with the sea for land, successively encircling the sea and building embankments, turning the sea into a mulberry field. With the development of sea reclamation, high beach resources are running out, and land reclamation from sea is gradually developing into low beach and large scale. The reclamation of middle and low beaches adopts the implementation method of promoting siltation and fixing sand first, and then enclosing them. The effect of sediment deposition can be enhanced through the early implementation of the sedimentation promotion project, so a...

Embodiment 3

[0057] Embodiment 3 Utilizes natural energy to promote the method for silting and sand consolidation on sea islands,

[0058] An island is a naturally formed area of ​​land (14) surrounded by water and above water at high tide. China has more than 6,500 islands with an area of ​​more than 500 square meters, with a total area of ​​more than 6,600 square kilometers. Because most of them are small in size, simple in geographical structure, relatively closed in environment, relatively simple in ecosystem composition, and have low biodiversity index and poor stability. 94% of Chinese islands are uninhabited islands. The development of marine resources in the 21st century has become the focus of competition among countries. Sea islands are the remote bases and fulcrums for human beings to develop the ocean, and they are the second marine economic zone, and they also have a special and important position in national land demarcation and national defense security. Developing island...

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Abstract

The invention discloses a method for promoting siltation and sand consolidation on a beach by utilizing natural energy, and belongs to a coastal reclamation technology in coastal engineering. The method comprises the following steps: investigation, geological survey, design planning, damming and sluice-building, siltation promotion and water drainage, and mud conveying and sand consolidation. The method is characterized in that sediment deposition is promoted by utilizing natural energy of tides according to the principle of adjusting measures to local conditions and making the best use of the circumstances. Clearance electric energy of a plurality of pieces of power generating equipment is collected to establish a natural energy power station for supplying power to sediment conveying equipment. Sand consolidation is carried out by adopting methods of filling geotextile bags, mixing with a dehydrating hardening agent and biologically hardening. The method has the characteristics of adopting a multi-point formation process, being gradually expanded, being green and low-carbon, being energy-saving and environmentally-friendly, and being remarkable in benefit. Moreover, materials are saved, energy consumption is reduced and labor power is saved, so that the method is green and environmentally-friendly, and is safe and reliable. The method is used for dissipating waves, promoting siltation, consolidating sand and protecting a slope, so that irregular accumulation of sediments is improved, beach elevation is improved, a large number of land resources are obtained, and ecological balance is kept.

Description

technical field [0001] The invention relates to a silt-accelerating and sand-consolidating method in coastal engineering, which belongs to sea reclamation land reclamation technology. Background technique [0002] The earth's surface has two basic units, the ocean and the land, and the coastline is the dividing line between the land and the ocean. There are two types of coastlines: island coastlines and continental coastlines. Canada, Indonesia, Russia, and Australia all have long coastlines in the world! The total length of China's coastline is 32,000 kilometers, including 18,000 kilometers of mainland coastline. There are more than 5,000 large and small islands, and the total length of island coastline is more than 14,000 kilometers. [0003] From the point of view of shape, some coastlines are crooked, while others are like straight lines, each with its own formation mechanism. Due to the movement of the earth's crust, the influence of glaciers, changes in temperature ...

Claims

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Application Information

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IPC IPC(8): E02B1/00E02B3/02E02B9/00A01G1/00
CPCA01G2/00E02B1/00E02B3/023E02B9/00Y02A10/00Y02A10/23Y02E10/20
Inventor 陶松垒陶钧炳徐士龙滕一峰付全越
Owner 宁波高新区围海工程技术开发有限公司
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