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中文摘要：
研究了Chambishi铜矿分段卸压崩落法回采过程对下分段穿脉稳定性的影响。穿脉位于上分段采场投影的中部。在巷道顶板中部和两帮距底板1.2m处布置11排监测点,利用收敛计监测采动过程中的巷道顶板和两帮围岩变形情况。监测时间约7个月（回采前3个月,回采2个月,回采后2个月）监测结果显示采动影响范围包括：距离矿体下盘8~18m为应力降低区,18~25m为主要承压区,25m以外为非采动影响区;在回采过程中,开采初期25~35d为主要采动扰动期,45~60d为岩体变形较大期。
英文摘要：
The influence of mining excavation on the lower sublevel across-cut roadway stability in sublevel caving with pressure-relieving in Chamibishi Copper Mine was studied. The across-cut roadway was located at the middle of the projection of upper sublevel workings. There were 11 rows measuring points on the roadway roof center and both side with the height of 1.2m. The deformation of roof and wall during mining process was monitored by the convergence gauge. The measuring time was about 7 months （3 months before mining, 2 months during mining, and 2 months after mining）. The results shown that the influence area caused by mining were the stress decreasing zone which 8 - 18m away from the orebody footwall, the main stress-bearing zone which 18 - 25m away, and the no influence area which 25m away from the orebody footwall. During the mining production, the initial 25 -35d was the main influence period of mining, the 45 - 60d was the large deformation period of rock mass.
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