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Anti-seepage construction method for channel of accumulation waterlogging wet land

A construction method and channel technology, applied in sea area engineering, artificial waterways, water conservancy projects, etc., can solve problems such as large water loss, single anti-seepage structure, and reduced water delivery capacity of channels, so as to maintain integrity and smoothness, The structure is stable and firm, and the effect of improving construction efficiency

Active Publication Date: 2017-03-29
浙江景昌建设有限公司
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Problems solved by technology

At present, when stone materials are used as the anti-seepage layer of the channel to construct the channel anti-seepage project of the waterlogging wetland, the anti-seepage material used is single, and the channel anti-seepage structure of the constructed waterlogging wetland is single, and the channel is prone to seepage and water leakage, resulting in the The water delivery capacity is reduced, and the water delivery loss is relatively large

Method used

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  • Anti-seepage construction method for channel of accumulation waterlogging wet land
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  • Anti-seepage construction method for channel of accumulation waterlogging wet land

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Embodiment Construction

[0028] Such as Figure 1 to Figure 6 Shown, be the channel seepage prevention construction method of a kind of flood storage wetland of the present invention, comprise the steps:

[0029] (a) Foundation treatment: Stake out the channel according to the design drawings, release the bottom line of the channel and the mouth line of the channel, and then carry out excavation with the cooperation of machinery and manpower. Before excavation, the foundation is naturally air-dried. Then excavate in layers along the slope from top to bottom, remove the weeds, silt, tree roots, and organic humus on the side of the channel, and backfill the loosened parts of the excavation. The combination of mechanical and manual compaction is then used. The thickness of each layer of soil in the process of mechanical compaction is not greater than 20cm, and the thickness of each layer of soil in the process of manual compaction is not greater than 20cm. Then drain the accumulated water and reduce its...

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Abstract

The invention discloses an anti-seepage construction method for a channel of accumulation waterlogging wet land. The method comprises the first step of foundation treatment, the second step of channel bottom layer sand gravel cushion layer construction, the third step of channel bottom layer first building block construction, the fourth step of channel slope first building block construction, the fifth step of channel slope second building block construction, the sixth step of first building block construction area treatment and the seventh step of first building block construction area and second building block construction area flushing. First building blocks and second building blocks are adopted in the method for serving as a channel anti-seepage layer for construction, the single anti-seepage structure of the channel is converted into a composite structure, and the channel anti-seepage layer construction integrity and flatness are good; and the phenomena of water seepage and leakage of the channel are not likely to happen, the channel water conveying capability is improved, and the water conveying losses are reduced.

Description

technical field [0001] The invention belongs to the technical field of waterlogging wetland construction, and in particular relates to a channel seepage prevention construction method for waterlogging wetlands. Background technique [0002] At present, for the treatment of "black and odorous" water bodies, many waterlogging wetland treatment technologies have emerged. Artificial waterlogging wetlands are a composite process combining natural purification and artificial enhancement, and can adopt an appropriate scale according to the amount of sewage. To adapt to it, use the purification function of the waterlogging wetland to improve the water quality of the water body, and then eliminate black and odor. Compared with traditional secondary biochemical treatment, artificial flood storage wetland has the advantages of low construction and operation costs, simple maintenance, good effluent quality and strong adaptability to load changes, etc. It is more suitable for low-level t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B5/02E02B3/16
CPCE02B3/16E02B5/02
Inventor 刘学应陈晓汀杨建凤
Owner 浙江景昌建设有限公司
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