Earth and rockfill dam seepage field monitoring system and early warning method thereof

Abstract

The invention provides an earth and rockfill dam seepage field monitoring system and an early warning method thereof, and belongs to the technical field of earth and rockfill dam seepage disaster early warning. The earth and rockfill dam seepage field monitoring system comprises an electrical acquisition instrument, a data transmission device, an upper computer and a plurality of electrodes arranged in a dam body, wherein the plurality of electrodes are connected with the input end of the electrical acquisition instrument; the output end of the electrical acquisition instrument transmits datainformation to the upper computer through the data transmission device. The early warning method of the earth and rockfill dam seepage field monitoring system comprises the steps of field monitoring,monitoring system arrangement and terminal early warning. The monitoring system shows dam seepage characteristics in a full cross-section way; the full-coverage comprehensive assessment on the dam health state is facilitated; only once installation is needed; the test time period is more flexible; the dam inside seepage field change features are analyzed in real time; the long-period monitoring isrealized; the monitoring system field arrangement is flexible; the device structure is simple and the installation is convenient.

Description

technical field [0001] The invention relates to an earth-rock dam seepage field monitoring system and an early-warning method thereof, belonging to the technical field of earth-rock dam seepage disaster early-warning, and further is a technical means based on monitoring the dynamic change characteristics of the resistivity of the earth-rock dam to reflect the health state of the earth-rock dam It is mainly suitable for dynamic monitoring of seepage damage and risk prediction of water retaining structures such as dams, embankments and seawalls. Background technique [0002] Earth-rock dams are the main part of my country's water-retaining engineering system, involving small and medium-sized reservoirs, ponds, embankments, seawalls and cofferdams and other hydraulic structures. , economic and ecological aspects have played an important role. Since the earth-rock material of the dam belongs to the granular structure, the infiltration of the anti-seepage body of the dam is the k...

AI Technical Summary

Problems solved by technology

However, the current geophysical detection technology is mainly used in the detection of hidden dangers in dams. It is only used for one-time detection and leakage detection of dam diseases, but there are deficiencies in the long-term monitoring of the evolution process of hidden dangers of leakage, and for hidden dangers The identification and judgment standards are still in the stage of qualitative analysis. They do not have the ability to make a comprehensive evaluation of monitoring data in different periods, and cannot meet the technical requirements for predicting the evolution of hidden dangers. Obviously, they have not fully utilized the advantages of all-weather non-destructive monitoring and early warning.

[0006] With the development of standardization and informatization of water conservancy work, whether it is a large and medium-sized earth-rock dam that has developed a dam monitoring system, or a small reservoir, mountain pond and other water conservancy facilities that have not yet implemented automatic monitoring arrangements, there is an urgent need for a It is a detection system that makes up for the shortcomings of current conventional seepage monitoring methods such as isolated measurement parameters, high installation costs, inconvenient construction during operation, susceptibility to external interference, delayed seepage response, and poor data stability in long-term monitoring, and can also detect Exit the seepage weak area of ​​the dam to realize more accurate, efficient, full-time and full-coverage observation of the seepage characteristics of the dam, and further achieve the purpose of early warning of seepage damage based on continuous monitoring information

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