Analytical method of deep mining floor rock stratum damage and fracturation evolution and failure law

An analysis method and deep mining technology, applied in the direction of analysis of materials, mining equipment, mining equipment, etc., can solve the problems of stope geological conditions and complex mining environment, etc.

Active Publication Date: 2015-02-18
SHANDONG UNIV OF SCI & TECH
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Problems solved by technology

[0008] However, as the mining depth continues to increase, the geological conditions of the stope and the mining environment are becoming more and more complex. The above-mentioned meth

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  • Analytical method of deep mining floor rock stratum damage and fracturation evolution and failure law

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Embodiment Construction

[0031] The present invention provides a method for analyzing damage and fracture evolution and failure rules of deep mining floor strata. In order to make the purpose, technical scheme and effect of the present invention clearer and clearer, the present invention will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] The present invention provides an analysis method for damage and fracture evolution and failure law of deep mining floor strata, such as figure 1 As shown, it includes the following steps:

[0033] The steps of collecting the stress state data of the stope floor;

[0034] The steps of collecting damage and rupture data of stope floor strata;

[0035] The steps of collecting damage and fracture data of deep well floor rock formation;

[0036] The steps of collecting mining damage and rupture data of deep well floor...

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Abstract

The invention discloses an analytical method of deep mining floor rock stratum damage and fracturation evolution and failure law. The analytical method comprises the following steps: Step 1, stope floor stress state data is acquired; Step 2, stope floor rock stratum damage and fracturation data is acquired; Step 3, deep well floor rock stratum damage and fracturation data is acquired; Step 4, deep well floor mining-induced damage and fracturation data is acquired; Step 5, the above stope floor stress state data, the stope floor rock stratum damage and fracturation data, the deep well floor rock stratum damage and fracturation data and the deep well floor mining-induced damage and fracturation data are analyzed so as to obtain deep mining floor rock stratum damage and fracturation evolution and failure law. By obtaining the deep mining floor rock stratum damage and fracturation evolution and failure law, data foundation is provided for specific deep mining, so as to further provide technical support for raising deep mining efficiency and mining safety.

Description

technical field [0001] The invention relates to an analysis method for damage and fracture evolution and failure law of deep mining floor rock formations. Background technique [0002] Coal seam floor rock is the main research object of floor water inrush, and it is also the main carrier of mine barrier water. With the extension of the mining level and the expansion of the mining range, the buried depth of the working face increases and the structure is complex. During the mining process, the rock mass of the coal seam floor is periodically damaged, and the damage is continuously transmitted forward. Commonly used methods for the study of floor rock formations include theoretical calculations, field measurements, empirical formulas, numerical simulations, and similar material simulations. Its main contents are: [0003] (1) Theoretical calculation. Theoretical calculation is mainly to generalize the geological conditions into a mathematical model, use the relevant mechani...

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Application Information

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IPC IPC(8): G01N33/00E21F17/00
Inventor 刘伟韬霍志超申建军宋文成刘士亮谢祥祥刘超张茂鹏穆殿瑞宰慧董文程
Owner SHANDONG UNIV OF SCI & TECH
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