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Fault aquosity evaluation method based on hierarchical analysis

A hierarchical analysis and evaluation method technology, which is applied in the field of water inrush prevention on coal-measure confined faults, can solve the problems of long implementation period and cumbersome operation, and achieve the effect of simple operation, easy practical application, and reasonable and reliable evaluation results

Inactive Publication Date: 2017-08-04
ANHUI UNIV OF SCI & TECH
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Problems solved by technology

At present, the methods for evaluating the water content of faults mainly include controlled source audio frequency magnetotelluric method, transient electromagnetic method, pumping and water injection test method, etc. Most of these methods are relatively cumbersome to operate and have a long implementation period. The present invention provides a method for this problem. A method that is simple to operate and can qualitatively and quantitatively evaluate the water content of faults

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  • Fault aquosity evaluation method based on hierarchical analysis
  • Fault aquosity evaluation method based on hierarchical analysis
  • Fault aquosity evaluation method based on hierarchical analysis

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[0011] specific implementation plan

[0012] The present invention will be further described below in conjunction with the accompanying drawings and examples of the application of the present invention.

[0013] figure 1 It is a flowchart of the fault water cut evaluation method based on AHP in the present invention. Such as figure 1 As shown, the method includes:

[0014] Step A, summarizing the main factors affecting the water content of the fault, and establishing a hierarchical structure model;

[0015] Step B, relying on the hierarchical structure model, establish factor sets and weight sets respectively;

[0016] Step C, according to mining experience combined with production practice, establish an evaluation grade set;

[0017] Step D, determining the membership degree and fuzzy relationship matrix of each influencing factor evaluation index;

[0018] Step E, based on the AHP results and combined with the evaluation grade set, comprehensively evaluate the water co...

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Abstract

The invention discloses a method for evaluating the water content of faults based on hierarchical analysis, which includes: summarizing the main factors affecting the water content of faults, and establishing a hierarchical structure model; relying on the hierarchical structure model, respectively establishing factor sets and weight sets; combining mining experience with production In practice, establish an evaluation level set; determine the membership degree and fuzzy relationship matrix of the evaluation indicators of each influencing factor; combine the evaluation level set with the results of the AHP to comprehensively evaluate the water content of the fault. Based on the AHP theory, combined with mining experience and production practice, the present invention evaluates the water content of faults qualitatively and quantitatively. Evaluation provides a new method and idea.

Description

technical field [0001] The invention relates to the technical field of preventing water inrush by coal-measure pressure-bearing faults, in particular to a method for evaluating the water content of faults based on analytic hierarchy process. Background technique [0002] Due to the influence of tectonic movement, near the fault with a large drop in the coalfield, the mineable coal seam can be in direct contact with the rock on the uplift wall of the fault, so that the confined water can create a hydraulic connection with the aquifer of the roof and floor of the coal seam through the fault, thus causing coal mine outburst. water. Therefore, in coal mine production, investigating the water content of faults with large drop is an important hydrogeological work content. At present, the methods for evaluating the water content of faults mainly include controlled source audio frequency magnetotelluric method, transient electromagnetic method, pumping and water injection test meth...

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Application Information

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IPC IPC(8): G06Q50/02G06Q10/06
CPCG06Q50/02G06Q10/06393
Inventor 李鹏飞陈秀艳刘启蒙
Owner ANHUI UNIV OF SCI & TECH
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