Real time monitoring data-based mine tailing dam instability risk evaluating method

A real-time monitoring and risk assessment technology, applied in data processing applications, instruments, calculations, etc., can solve the problems of inability to judge the size and source of dam slope instability risks, trouble scholars and engineers in the industry, and lack of other problems, so as to achieve risk Evaluate the effectiveness of methodological science

Active Publication Date: 2016-08-31
QINGDAO TECHNOLOGICAL UNIVERSITY
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Problems solved by technology

[0003] However, although many tailings dams have installed online monitoring systems, how to effectively analyze and use the monitoring data to assess the risk of tailings dam instability still puzzles scholars and engineers in the industry.
Traditionally, the tailings pond operation and manag

Method used

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  • Real time monitoring data-based mine tailing dam instability risk evaluating method
  • Real time monitoring data-based mine tailing dam instability risk evaluating method
  • Real time monitoring data-based mine tailing dam instability risk evaluating method

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with accompanying drawing.

[0036] Such as figure 1 As shown, the tailings dam instability risk assessment method based on real-time monitoring data of the present invention, the concrete process that the present invention implements is:

[0037] Step 1: The tailings pond operation and management department obtains the geotechnical engineering survey report and tailings dam design documents, and finds the geotechnical physical and mechanical parameters of the tailings dam’s dam materials from the geotechnical survey report, such as bulk density γ and internal friction angle and cohesion c; combined with the design documents and the online monitoring design scheme of the tailings dam, determine 3 to 5 main two-dimensional geometric sections of the tailings dam. Generally, the monitoring sections in the online monitoring system can be used as the main geometric sections. Geometric profile data include...

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Abstract

The invention relates to a real time monitoring data-based mine tailing dam instability risk evaluating method and belongs to the technical field of special-purpose digital computation or data processing methods. The method helps overcome defects of technologies of prior art that cannot be applied to determining magnitude of dam slope instability risk, risk sources and the like. According to the real time monitoring data-based mine tailing dam instability risk evaluating method, based on a condition that monitoring data is obtained and a representative instability mode is determined; failure probability and slide area of all instability modes are used for determining instability risk thereof, mine tailing dam instability risk can therefore be quantified, mine tailing dam instability risk can be evaluated mostly based on the monitoring data, mode grouping is realized and the representative instability mode is selected according to correlation of anti-sliding stability safety factors of shallow-layer and deep-layer instability modes, and frequency and a glide plane of the representative instability mode which is regarded as an instability mode with maximum danger are used for evaluating risk in a quantified manner. The real time monitoring data-based mine tailing dam instability risk evaluating method is characterized by scientific property, visual property, reasonability and feasibility; scientific basis is provided for mine tailing dam operation safety management and risk control.

Description

technical field [0001] The invention relates to a tailings dam instability risk assessment method based on real-time monitoring data, and belongs to the technical field of digital calculation or data processing methods specially suitable for specific applications. Background technique [0002] my country is a big mining country in the world. The annual discharge of tailings is huge, sometimes as much as 1 billion tons. Most of the tailings are stored by building tailings ponds. The "Safety Technical Regulations for Tailings Ponds" pointed out that the so-called tailings ponds refer to places where dams are built to intercept valley mouths or enclosures to store tailings discharged from metal or non-metal mines and ore sorting. As a peripheral dam structure of the tailings pond, the stability of the tailings dam is directly related to the safe operation of the tailings pond. Tailings dam slope instability leads to high risk of tailings pond flow. For example, on July 13, 199...

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/02
CPCG06Q10/0635G06Q50/02
Inventor 李亮褚雪松
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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