A roof cutting pressure relief and constant resistance support collaborative design method and system

By identifying key areas and targets for stress regulation through reverse analysis, and by collaboratively designing parameters for roof cutting and constant resistance support, the problem of mismatch between pressure relief and support in existing technologies has been solved, and systematic control of the stability of the surrounding rock in the roadway has been achieved.

CN122263386APending Publication Date: 2026-06-23CHINA UNIV OF MINING & TECH (BEIJING)
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Patent Information

Application Number
CN202610250770.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-03
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

In existing technologies, the lack of systematic linkage between roof cutting and pressure relief and roadway support measures leads to a mismatch between the pressure relief range and the support strength, making it impossible to effectively control the stability of the surrounding rock in the roadway.

Method used

By using reverse analysis to identify key areas and targets for stress control, we can collaboratively design parameters for top cutting and pressure relief and constant resistance support, establish spatiotemporal coordination, and achieve systematic coupling of top cutting and pressure relief and constant resistance support by monitoring and optimizing the parameters.

Benefits of technology

This achieves an inherent match between the pressure relief range and the support strength, improving the reliability and adaptability of roadway surrounding rock control and ensuring that the stability of the roadway surrounding rock is closer to the optimal control target.

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Abstract

The application discloses a kind of cutting top pressure relief and constant resistance support collaborative design method and system, specifically related to coal mine roadway surrounding rock stability control technical field, to solve the problem that existing cutting top pressure relief and roadway support design lack cooperation, difficult to realize the optimal control of surrounding rock;By obtaining geological and mining parameters, ideal stress influence mode conducive to support cooperation is preset and stress regulation key area and target are determined by reverse analysis, according to which the key parameters of cutting top pressure relief and the key parameters of constant resistance large deformation anchor cable support are determined, and then the space-time coordination relationship of the construction of both is planned, and the collaborative effect is verified after implementation and feedback optimization parameters;Realize the systematic coupling of two technologies in design and construction stage, improve the long-term stability and control effect of roadway under the influence of dynamic pressure.
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