Oyster reef row, sea dyke foot protection device and dyke foot protection method

A technology for oyster reefs and seawalls, which is applied in the field of coastal zone restoration, can solve problems such as high cost, large amount of engineering, and fragmentation, and achieve the effects of preventing water erosion, preventing erosion, and maintaining stability.

Pending Publication Date: 2020-09-08
SECOND INST OF OCEANOGRAPHY MNR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The project volume is large and the cost is high;
[0005] 2. Ecologically unfriendly, riprap or concrete blocks have low ecological functions, making it difficult to become an ideal habitat for marine life;
[0006] 3. With the passage of time and the destruction of waves, there are problems such as shifting and breaking of block stones and concrete blocks, and the protective effect on seawalls decreases year by year. It is necessary to regularly replenish riprap or reinforced concrete blocks, and every three years needs to be replenished in the early stage 10% of throwing volume, higher maintenance cost

Method used

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  • Oyster reef row, sea dyke foot protection device and dyke foot protection method
  • Oyster reef row, sea dyke foot protection device and dyke foot protection method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as figure 1 and figure 2 As shown, the oyster reef row provided by the embodiment of the present invention includes: a reef row frame 001, a ground device 002 and a net protection device 003; the grip device 002 is connected to the bottom of the reef row frame 001; the net protection device 003 is connected and covered Reef Row Frame 001.

[0039] Specifically, the reef row frame 001 includes concrete components, and the reef row frame 001 can adopt a frame structure with a length of 2m and a width of 1m. Four gripping devices 002 are connected to the four corners of the bottom of the reef row frame 001 in one-to-one correspondence. The gripping devices 002 can adopt sharp concrete members similar to teeth, and the bottom of the gripping devices 002 is configured as a tip so that it can be inserted seabed. The length of the gripping device 002 is about 50cm, and the oyster reef is discharged into the foot of the seawall. The gripping device 002 is inserted on t...

Embodiment 2

[0059] Such as figure 1 As shown, the protection device for the toe of the seawall provided by the embodiment of the present invention includes: protective piles 007 and the oyster reef row provided in Embodiment 1; the reef row frame 001 is arranged at the foot of the seawall, and the gripping device 002 is inserted Seabed: the protection pile 007 is arranged on the side of the oyster reef row away from the embankment, and the protection pile 007 is inserted on the seabed.

[0060] Specifically, a plurality of reef row frames 001 are arranged at the foot of the embankment along the coastline. The radial dimension of the protection pile 007 is 40cm, and the length of the protection pile 007 is 5m, of which 3m is inserted on the seabed, and 2m is exposed on the seabed and abuts against the reef. The row frame 001 prevents the reef row frame 001 from being washed into the sea outside the intertidal zone through the protective pile 007.

Embodiment 3

[0062] Such as figure 1 and figure 2 As shown, the embankment foot protection method provided by the embodiment of the present invention includes: constructing the reef row frame 001, and fixing the reef row frame 001 at the foot of the seawall through the gripping device 002; connecting and covering the protection net device 003 Reef Row Frame 001. The net protection device 003 is conducive to maintaining the stability of the bottom surface of the seabed at the foot of the seawall, and also plays a role in preventing the foot of the seawall from being eroded to a certain extent. At the same time, it can also isolate the seabed sediment and prevent the seabed sediment from burying the oyster reef row, thereby creating a good environment for the growth of oysters, thereby promoting the rapid formation of oyster reefs.

[0063] Further, the protection method for embankment foot also includes: loading oyster shells into the oyster ecological bag 006 ; arranging the oyster ecol...

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Abstract

The invention provides an oyster reef row, a sea dyke foot protection device and a dike foot protection method, and relates to the technical field of coastal zone repair. The oyster reef row providedby the invention comprises reef row frames, ground-grabbing devices and protective net devices; the ground-grabbing devices are connected to the bottoms of the reef row frames; and the protective netdevices are connected with and cover the reef row frames. The oyster reef row provided by the invention can be arranged at the dyke foot of a sea dyke, and the reef row frames and the dyke foot can beprotected through the protective net devices, so that sediment at the dyke foot of the sea dyke is prevented from being scoured by water flows, the stability of the dyke foot is protected advantageously, and the dyke foot of the sea dyke can be prevented from being eroded.

Description

technical field [0001] The invention relates to the technical field of coastal zone restoration, in particular to an oyster reef row, a seawall toe protection device and a dyke toe protection method. Background technique [0002] The protection of the foot of the seawall plays an important role in maintaining the protection capacity of the seawall. Because the toe of the embankment has been eroded, scoured and hollowed out by waves, currents and tides for a long time, the foundation of the seawall is damaged, endangering the stability and safety of the seawall, and the damage of the seawall will affect the safety of life and property of coastal people. In order to ensure the safety of the seawall, throwing stones or reinforced concrete blocks or setting steel sheet piles at the foot of the seawall are often used to reduce the direct erosion and erosion of the seawall by waves and tidal currents, so as to protect the seawall. The purpose of prolonging the service life of sea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/12
CPCE02B3/121
Inventor 王德刚孙丽马正义吕兑安程杰
Owner SECOND INST OF OCEANOGRAPHY MNR
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