发现了一些前人未曾揭示的规律，条采巷道闭合变形将出现两个极值，其距离大于普通开采巷道，因此，巷道应在前方峰值压力第二次采动影响时加强支护。

Some deformation features that have not been discovered before are found. There are two peaks of displacement in strip mining roadway, and their lag distance is longer.

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分析了深部软岩巷道硐室的支护状态稳定因素，结合现场实际情况，总结了深部软岩巷道破坏后二次支护的方法和原则。

Based on the soft-rock roadway of Enhong colliery in Yunnan province, this paper analyzes by nmuerical simulation the three supporting plans for soft-rock roadway junctions.

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