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A method for evaluating the stability of goaf in strip mining

A goaf and stability technology, applied in data processing applications, instruments, calculations, etc., can solve the problem of less research on the stability assessment of strip mining goafs

Active Publication Date: 2021-06-22
COAL IND JINAN DESIGN & RES
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The present invention proposes a scientific method for evaluating the stability of goafs in strip mining for the problem of less research on the stability assessment of goafs in strip mining

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  • A method for evaluating the stability of goaf in strip mining
  • A method for evaluating the stability of goaf in strip mining
  • A method for evaluating the stability of goaf in strip mining

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Embodiment Construction

[0023] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described below in conjunction with specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0024] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the present invention is not limited to the specific embodiments disclosed below. limit.

[0025] This embodiment provides a specific method for evaluating the stability of goafs in strip mining, and the analysis steps are as follows:

[0026] (1) On the basis of comprehensive analysis of relevant data in this study area, the probability integral method is used to predict and ...

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Abstract

The invention belongs to the technical field of mining engineering and relates to a method for evaluating the stability of goafs in strip mining. The present invention analyzes the duration of surface movement caused by coal mining on the basis of comprehensively sorting out and analyzing the relevant data of the research area, and better evaluates the stability of the goaf from the combination of theory and practice. Through scientific and comprehensive analysis The method can accurately obtain the influence of the stability of the goaf on the reuse of ground land in the later stage, and provide scientific basis for whether the subsidence land can be reused or the safety of what kind of land use, which is suitable for wide application.

Description

technical field [0001] The invention belongs to the technical field of mining engineering and relates to a method for evaluating the stability of goafs in strip mining. Background technique [0002] Strip mining is a partial mining method, which divides the coal seam area to be mined into relatively regular strip shapes, mining one and leaving one, so that the remaining strip coal pillars are enough to support the weight of the overlying strata, while the surface Only minor movements and deformations occur. The basic method of strip mining technology is to use the retained strip coal pillars to support the overlying strata, so as to recover part of the coal resources, control the deformation of the surface and protect the buildings on the ground. Since 1967, when my country began to apply the filling strip method to mine the "three-down" pressed coal, strip mining has been carried out in more than 10 provinces and more than 100 strip working faces in the country, and rich r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/02
CPCG06Q10/06393G06Q50/02
Inventor 于飞张勇华祥何峰华王晓勇左红兵刘方赵琦郭宝德
Owner COAL IND JINAN DESIGN & RES
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