What question did this study set out to answer?

This study aims to evaluate the effectiveness of top-cutting pressure relief technology in improving coal mining safety and resource recovery.

May 29, 2026工程技术创新与发展0 citationsOpen Access

切顶卸压沿空留巷无煤柱开采技术在煤矿矿井采掘中的应用研究

博张博张陈陈文清

Key Points

This study aims to evaluate the effectiveness of top-cutting pressure relief technology in improving coal mining safety and resource recovery.
Developed a mechanical model for roof pressure and analyzed key cutting parameters.
Conducted multi-objective optimization based on geological adaptability and stability control.
Proposed application optimization strategies addressing construction costs and safety risks.
Achieved improved stability of the roof with controlled stress in the mined area.
Noted a significant increase in resource recovery rates due to optimized extraction techniques.
Reduced the amount of tunneling necessary for mining operations, enhancing efficiency.

Abstract

切顶卸压沿空留巷无煤柱开采技术通过切断预留巷道顶板一定深度岩层与回采垮落区之间岩石的地应力联系，改造顶板压力传递路径，实现随着工作面的回采，采空区顶板沿预裂缝定向下沉，压力定向释放在采空区垮落岩体上，使计划留下的巷道空间压应力稳定，从而方便相邻的下一个回采工作面继续使用。该技术涵盖基本原理、关键工艺流程及适用条件，通过构建顶板力学模型、分析切顶参数敏感性及多目标优化，明确技术关键要点。同时，从地质适配性、稳定性控制、施工与成本、安全风险防控等方面提出应用优化策略，旨在实现顶板稳定、施工可行与经济合理协同最优，提高资源回收率，减少巷道掘进量，保障煤矿开采安全高效。

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张 et al. (2026) studied this question.

synapsesocial.com/papers/6a192e68fab5b468c44176dd https://doi.org/10.37155/2972-4333-0404-1

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May 29, 2026工程技术创新与发展0 citationsOpen Access

切顶卸压沿空留巷无煤柱开采技术在煤矿矿井采掘中的应用研究

博张博张陈陈文清

Key Points

This study aims to evaluate the effectiveness of top-cutting pressure relief technology in improving coal mining safety and resource recovery.
Developed a mechanical model for roof pressure and analyzed key cutting parameters.
Conducted multi-objective optimization based on geological adaptability and stability control.
Proposed application optimization strategies addressing construction costs and safety risks.
Achieved improved stability of the roof with controlled stress in the mined area.
Noted a significant increase in resource recovery rates due to optimized extraction techniques.
Reduced the amount of tunneling necessary for mining operations, enhancing efficiency.

Abstract

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Cite This Study

张 et al. (2026) studied this question.

synapsesocial.com/papers/6a192e68fab5b468c44176dd https://doi.org/10.37155/2972-4333-0404-1

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