Method for monitoring leakage of canal and embankment works

Abstract

The invention discloses a method for monitoring the leakage of a channel embankment project. 1. Multiple pairs of power supply electrodes are buried and arranged on the axis of the detected area of ​​the embankment; The axis of the detection area is buried and arranged with multiple measurement lines 3. Select a column and arrange a measurement side line perpendicular to the axis of the detected area; 4. Measure the pole distance L of the electrode pair M1N1 =(1 / 30~1 / 50)L A1B1 ; 5, using a parallel multi-channel synchronous data collector, connecting each measuring electrode with the synchronous data collector, and connecting each power supply electrode with the electrode controller. The advantage of the present invention is that the geoelectric field distribution of the entire detected area can be simultaneously obtained at a certain point in time, and multiple "time-shift" detections can be performed on the same detected area over time, so that the leakage channel can be developed from scratch , Monitoring the dynamic process of evolution from slight to serious, and then improving the accuracy of leakage detection in channel embankment engineering.

Description

technical field [0001] The invention relates to the leakage monitoring of key parts of canal embankment engineering and soil-rock combination parts, in particular to a method for monitoring the leakage of canal embankment engineering. Background technique [0002] Geophysical techniques such as high-density electrical method and spontaneous potential method have been widely used in dam leakage detection. The conventional method is "one-time", and the detection is carried out point by point and line by line. Data analysis can only be carried out after the detection of the entire area in batches is completed. A good detection effect can be obtained, but the response to the seepage with small seepage flow and non-concentrated abnormality is usually poor. At the same time, because the natural potential method is greatly disturbed by the geoelectric background, point-by-point observation will bring random errors, which brings great difficulties to the analysis of test results. ...

AI Technical Summary

Problems solved by technology

The conventional method is "one-time", and the detection is carried out point by point and line by line. Data analysis can only be carried out after the detection of the entire area in batches is completed. It can achieve better detection effect, but it usually responds poorly to seepage with small seepage flow and non-concentrated abnormalities

At the same time, since the natural potential method is greatly disturbed by the geoelectric background, point-by-point observation will bring random errors, which will bring great difficulties to the analysis of test results.

Therefore, how to obtain the geoelectric field distribution of the entire region within a certain period of time at the same time is very important for the detection and monitoring of leakage channels, but there are no related reports so far.

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