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A construction method for irrigation water delivery channel

A construction method and channel technology, applied in irrigation pipelines, artificial waterways, water conservancy projects, etc., can solve problems such as difficult to control construction quality, poor structural stability, cracks or falling off, etc., to achieve easy construction quality, improve service life, and control construction progress effect

Active Publication Date: 2020-06-19
ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Most of the traditional irrigation canals are constructed by using on-site concrete pouring, which can adapt to changes in the foundation, and the surface is smooth, which is conducive to irrigation. short

Method used

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  • A construction method for irrigation water delivery channel
  • A construction method for irrigation water delivery channel
  • A construction method for irrigation water delivery channel

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Embodiment Construction

[0036] like Figure 1 to Figure 7 Shown, be the construction method of a kind of irrigation water delivery channel of the present invention, comprise the steps:

[0037] (a) Construction preparation: draw the opening line according to the construction drawings, and excavate the canal foundation mainly by mechanical excavation and supplemented by manual excavation. The excavation sequence from top to bottom can make drainage more convenient . Dig a temporary intercepting drainage ditch in an area with a radius of 1-5m outside the opening line to divert or pump the external water on the slope to the outside of the channel to prevent a large amount of water from flowing into the construction work surface, so as to ensure that the entire construction work surface is dry. Operation. Use sand or clay to level the foundation surface, and compact it to make it smooth. Manually repair the slope according to the designed slope. The flatness of the slope shall be controlled within ±2cm...

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Abstract

The invention discloses a construction method of an irrigation water conveying channel. The construction method includes the following steps that a, construction preparing is conducted; b, geotechnical cloth laying is conducted; c, supporting frame erecting is conducted; d, planting frame installation is conducted; e, edge sealing is conducted; f, segmented pouring is conducted; g, strengthening protection is conducted; and h, channel bottom pouring is conducted. The construction method is simple in construction technology, reasonable, orderly, high in construction efficiency and low in construction difficulty; and a segmented construction manner is adopted, the construction progress is conveniently controlled, flexible adjustment can be achieved in the construction process, the construction quality is easy to control, and the service life of the channel is better prolonged.

Description

technical field [0001] The invention belongs to the technical field of water conservancy engineering, and in particular relates to a construction method for irrigation water delivery channels. Background technique [0002] With the rapid development of agriculture, the construction of water conservancy irrigation in agriculture has become more and more important, which is related to the bumper harvest of agricultural production. Therefore, the country invests huge manpower, material resources and financial resources in the construction of farmland water conservancy projects every year. The irrigation canal is an important part of the construction of farmland water conservancy, and it realizes the last mile irrigation. Most of the traditional irrigation canals are built by using on-site concrete pouring, which can adapt to changes in the foundation, and the surface is flat, which is conducive to irrigation. The disadvantages are that it is difficult to control the constructio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B13/00E02B5/02A01G9/02
CPCA01G9/02E02B5/02E02B13/00
Inventor 李强向佳佳刘学应
Owner ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER