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Earth and rockfill dam time domain electric field monitoring system and precise imaging method

A time-domain electric field and monitoring system technology, used in radio wave measurement systems, measurement devices, and electromagnetic/magnetic exploration, etc., can solve the difficulty of accurate identification of reservoir dam leakage hidden dangers, safe and accurate policy impact, measurement Problems such as the small amount of data, to achieve the effect of improving monitoring blind spots, improving accuracy, and ensuring systematic

Pending Publication Date: 2020-11-03
ANHUI UNIV OF SCI & TECH
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Problems solved by technology

Since the technology at this stage mainly focuses on the detection of leakage in the middle of the dam body, it has great limitations in the detection of leakage in the dam foundation and abutment, and there is a certain error in the detection depth, and the amount of measurement data is relatively small. Therefore, the current It is difficult to accurately identify the location of hidden dangers of reservoir dam leakage with existing technology, which will further affect the safety and precise policy implementation of water conservancy management departments

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  • Earth and rockfill dam time domain electric field monitoring system and precise imaging method

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Embodiment Construction

[0037] In order to make the technical means of the present invention and the technical effects that can be achieved more clearly and more completely disclosed, the following detailed description is made in conjunction with the accompanying drawings:

[0038] A time-domain electric field monitoring system for an earth-rock dam, as a data observation device for dynamic monitoring of dam leakage, the details are as follows:

[0039] Such as figure 1 as shown, figure 1It is a perspective view of the site structure of a time-domain electric field monitoring system for an earth-rock dam, a time-domain electric field monitoring system for an earth-rock dam, including a communication cable 1, a drilling cable 2, a drilling electrode 3, a dam body 4, and a side rock mass 5 , dam foundation 6, integrated electrical method host 7, server 8, data wireless transmission base station 9, satellite communication platform 10, data acquisition and processing platform 11, dam crest axis 12, bore...

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Abstract

The invention provides an earth and rockfill dam time-domain electric field monitoring system and a precise imaging method, and belongs to the technical field of real-time monitoring of earth and rockfill dam leakage safety problems. The monitoring system comprises a communication cable, a drilling cable, a drilling electrode, an integrated electrical method host, a data acquisition and processingplatform and the like; earth and rockfill dam earth electricity information is transmitted to the input end of the communication cable through the drilling cable, then transmitted to the integrated electrical method host through the output end of the communication cable and finally transmitted to the data collecting and processing platform. The precise imaging method comprises data observation and data inversion imaging. According to the monitoring system, a transverse, longitudinal and time-direction three-direction dynamic observation layout is applied, a dam body multi-hole measuring linecombined observation method is combined, real-time accurate imaging of a geoelectric field can be achieved, complete coverage type monitoring of the earth and rockfill dam is facilitated, one-time arrangement is achieved, the service cycle is long, and mass data can be obtained compared with a traditional method; according to the observation system, the time shifting electrical method technology is applied to normalized monitoring of the earth and rockfill dam, and breakthrough of the monitoring and detection integrated technology can be achieved.

Description

technical field [0001] The invention relates to the technical field of real-time monitoring of leakage safety issues of earth-rock dams, in particular to an earth-rock dam time-domain electric field monitoring system and a precise imaging method. Background technique [0002] Before the 1980s, limited by the construction technology of reservoir dams, earth-rock dams formed by layered rolling and layer-by-layer thickening were often used in the construction process of a large number of small and mountain pond reservoirs. Due to the long time, the built earth-rock dams have a high probability of leakage, and a large number of earth-rock dam reservoirs have different degrees of hidden dangers of leakage, which will face serious security threats during the flood season. The leakage monitoring of reservoir dams in my country lacks normalization, and there are few real-time monitoring projects for reservoir dam leakage, and reservoir dams are often detected and monitored only when...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/08
CPCG01V3/088G01V3/082
Inventor 胡雄武韩丹陈人峻万之杰徐虎孟当当徐标
Owner ANHUI UNIV OF SCI & TECH
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