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Construction method of anti-seepage ecological channel in irrigation area

A construction method and channel technology, applied in irrigation pipelines, buildings, applications, etc., can solve problems such as water resources loss, and achieve the effect of facilitating restoration and reconstruction, increasing visual beauty, and improving hydraulic transmission efficiency.

Inactive Publication Date: 2015-08-12
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention proposes a method for constructing an anti-seepage ecological channel in an irrigation area. quality and maintain the integrity of the ecosystem within the channel

Method used

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  • Construction method of anti-seepage ecological channel in irrigation area
  • Construction method of anti-seepage ecological channel in irrigation area
  • Construction method of anti-seepage ecological channel in irrigation area

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Construction method of anti-seepage type ecological channel in irrigation area, including

[0022] Step 1) Construct artificial water delivery channels for farmland surface runoff in the watershed irrigation area, such as figure 1 As shown, the channel section is constructed into a U shape, and the excavated channel bottom and side slope soil channel bed 1 are leveled;

[0023] Step 2) The width of the initial excavation channel is 1m, the depth is 0.8m, or calculated according to the water delivery volume, the length is not limited, and the longitudinal direction of the channel is S-shaped with multiple bends; it can effectively irrigate the farming area in the area, and the length of the ditch is 1000m;

[0024] Step 3) In the excavated initial U-shaped channel, such as figure 2 As shown, the non-woven fabric 2, the cement-sand mixture 3, the nylon net 4, the loam soil 5 and the plastic net 6 are laid layer by layer from bottom to top. The proportion of cement in t...

Embodiment 2

[0031] Construction method of anti-seepage type ecological channel in irrigation area, including

[0032] Step 1) Construct artificial water delivery channels for farmland surface runoff in the watershed irrigation area, such as figure 1 As shown, the channel section is constructed into a U shape, and the excavated channel bottom and side slope soil channel bed 1 are leveled;

[0033] Step 2) The width of the initial excavation channel is 2m, the depth is 1m, or calculated according to the water delivery volume, the length is not limited, and the channel is vertically linear; the farming area in the effective irrigation area can be effectively irrigated, and the length of the channel is 1000m;

[0034] Step 3) In the excavated initial U-shaped channel, such as figure 2 As shown, the non-woven fabric 2, the cement-sand mixture 3, the nylon net 4, the loam soil 5 and the plastic net 6 are laid layer by layer from bottom to top. The proportion of cement in the cement-sand-soil...

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Abstract

The invention relates to a method for constructing an anti-seepage type ecological channel in an irrigation region. The method comprises the steps of selecting an appropriate section form to excavate a channel according to the landform of the irrigation region, wherein a U-shaped cross section is taken as an example, and the U-shaped cross section is paved with non-woven cloth, cement (accounting for 15%) and sand mixture, a nylon net, loam and a plastic net from bottom to top layer by layer; piling a plurality of rows of anchor willow piles into the channel wall and the channel bottom, wherein the anchor willow piles have the function of fixing the plastic net; planting floating plants on the channel wall, and planting submerged plants on the channel bottom. The method disclosed by the invention has the advantages that the problem of water resource loss caused by infiltration of a quantity of agricultural irrigation water during a conveying process can be effectively solved, and the hydraulic conveying efficiency can be increased; meanwhile, a hardened trend of the channel can be improved under the situation that the channel is enabled to be anti-scouring and not to be easily subjected to landslide, a suitable growing environment for aquatic organism is created, the integrity of an ecological system in the channel is maintained, a certain water body self-purifying capacity is maintained, and the visual aesthetic feeling is increased. The method disclosed by the invention is beneficial for repairing and reconstructing original appearance of the channel, is convenient in construction and maintenance management and has a better application prospect in the ecological anti-seepage respect of a water conveying channel in the irrigation region.

Description

technical field [0001] The invention relates to a method for constructing an anti-seepage ecological channel in an irrigation area, which belongs to the technical field of anti-seepage and ecological function combination of water delivery channels in an irrigation area, and is suitable for traditional irrigation areas with deteriorating habitat conditions, and semi-arid and arid areas with scarce water resources Construction of anti-seepage ecological channels in irrigation areas. Background technique [0002] my country is a country with a serious shortage of water resources, but the waste of agricultural irrigation water is very serious. Due to the low standard of farmland water conservancy facilities, unsuitable, aging, backward irrigation methods and poor management, the effective utilization rate of agricultural irrigation water in the country is only about 40%, which is only half of that of developed countries; 3 The grain production capacity of water is only about 0....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B13/00
Inventor 王沛芳王超钱进侯俊包子云
Owner HOHAI UNIV
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