一种深部高应力厚大矿体卸压开采方法
By employing stress-relief structures such as stress-relief roadways, vertical trenches, and large-diameter filling bodies in deep, high-stress, high stress can be actively controlled, solving the problem of unstable surrounding rock in deep mining and achieving safe and efficient mining results.
CN121007008BActive Publication Date: 2026-07-17ZIJIN MINING GROUP CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZIJIN MINING GROUP CO LTD
- Filing Date
- 2025-09-22
- Publication Date
- 2026-07-17
Smart Images
Figure CN121007008B_ABST
Abstract
本申请提供了一种深部高应力厚大矿体卸压开采方法，涉及深部采矿技术，在矿体上盘的岩层移动角外布置卸压巷道，与垂直的卸压立槽共同对岩体结构进行切割，人工削弱了原生围岩的整体性，形成连续有效的卸压带。回采过程中，提前布置具有水平卸压切割槽的拉底巷道，进一步的对应力集中区进行分散；同时水平卸压槽内填充有大孔径填充体，形成了槽与填充体耦合的结构，有效的限制围岩变形，提升巷道及采场整体对的稳定性，显著的降低了深部开采过程中突发地压及岩爆风险。
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