大采深高地应力沿空留巷技术研究

Study on the Technology of Stress along the Air Retention Lane in the High Altitude of Great Mining Depth

摘要: 通过围岩变形规律计算，支护方式论证，埋藏深度及地应力分析，应力观测等方面工作说明大采深高地应力岩性发育地区采用砌筑砼预制构件护巷、液压抬棚强支，锚索超前护巷、工字钢梯形棚支架复合支护护巷技术。实践证明沿空留巷技术是可行的，不仅提高资源回收率，缓解采掘接替紧张局面，且经济效益显著。

Abstract: By the law of rock deformation calculation, support method demonstration, depth of burial and stress analysis, stress observation and so on, the work shows that the stress lithology development area of daqian high ground uses masonry concrete precast structural member protection lane, hydraulic lift shed strong support, anchor rope advance protection lane and I-steel trapezoidal shed composite support protection lane technology. Practice proves that the technology is feasible, not only to increase the recovery rate of resources, to ease the tension of the extraction and replacement, but also to achieve significant economic benefits.