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Inner support method for trapezoidal antisepage canal with concrete lining

A concrete and lining technology, applied in irrigation pipelines, coastline protection, construction, etc., can solve problems such as easy collapse of slopes, difficult quality assurance, time-consuming and labor-intensive problems, and achieve high cushion soil density, long service life, and anti-seepage effects Good results

Inactive Publication Date: 2007-10-03
秦永斌
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AI Technical Summary

Problems solved by technology

[0002] The anti-seepage and water-saving of the channel is an important part of the comprehensive agricultural development project. It is generally realized by lining concrete components. According to the traditional method, for the lining of a trapezoidal channel, it needs to go through: backfilling narrowing section, channel shaping and slope repair , the process of passing the water shade canal and the second plastic slope repair, such a construction process is time-consuming and labor-intensive, it is easy to collapse the slope, and the quality is difficult to guarantee. Moreover, the progress is slow, and often delays the farming time, which affects the planting of crops

Method used

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  • Inner support method for trapezoidal antisepage canal with concrete lining

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Embodiment Construction

[0009] The method of the invention is simple and easy to implement, and is suitable for irrigation channels of various soil properties. During construction, channel backfilling, shaping and slope repair are basically required. For newly excavated channels, construction can be carried out as long as the channels are slightly dry after one irrigation.

[0010] Concrete construction procedure in the inventive method is:

[0011] Determining the longitudinal slope and axis of the channel and understanding the hydraulic elements such as the water crossing section - leveling the canal bottom and slope, laying anti-seepage plastic film - filling sand and lining the canal bottom - fixing the inner mold on the lined canal bottom - —According to the design requirements, close to the beam of the internal formwork from bottom to top, while fixing the concrete baffle, fill sand back to the soil, and carry out compaction at the same time—Move the internal formwork section by section, and com...

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Abstract

The present invention relates to agricultural irrigation and drainage technology, and is especially inner support method for trapezoidal antiseepage canal with concrete lining. The construction process includes the following steps: determining grade line of canal, axes, flow section and other hydraulic elements; leveling and treating canal bottom and slopes; spreading antiseepage film, filling sand and laying canal bottom; fixing inner formwork on the canal bottom, fixing concrete baffles while refilling sand and soil; tamping and shifting the inner formwork to complete lining. The said process has short construction period, high canal lining quality, low cost and other advantages.

Description

technical field [0001] The invention relates to agricultural drainage and irrigation, and relates to an improved method for performing concrete anti-seepage lining on trapezoidal channels. Background technique [0002] The anti-seepage and water-saving of the channel is an important part of the comprehensive agricultural development project. It is generally realized by lining concrete components. According to the traditional method, for the lining of a trapezoidal channel, it needs to go through: backfilling narrowing section, channel shaping and slope repair , the process of passing the water shade canal and the second plastic slope repair, such a construction process is time-consuming and labor-intensive, easy to collapse the slope, difficult to guarantee the quality, and the progress is slow, and often delays the farming time, which affects the planting of crops. For this reason, it is imperative to seek a trapezoidal anti-seepage channel lining construction method that i...

Claims

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Application Information

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IPC IPC(8): E02B3/12E02B13/00
Inventor 秦永斌
Owner 秦永斌
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