roadway along gob 沿空巷道
gob b roadway 采空区中的巷道
gob-side roadway support 沿空留巷支护
gob-side roadway excavation 沿空掘巷
This paper analyzed and calculated width of coal pillar for driving roadway along gob.
对沿空掘巷时煤柱的留设问题进行了分析和计算。
Practice showed that high pre-stress anchored bolt with high strength was effective method for controlling deformation of deep coal roadway with combined roof above gob.
实践证明，高预应力高强锚杆组合的围岩强化控制技术是控制深井厚复合顶板采空区上方煤巷围岩变形的有效方法。
Finally, a calculation example was showed, and the results indicated that the roof separation critical value of gob-side roadway is more than that of solid-coal roadway.
最后根据一回采工作面的基本条件，试算了两类煤巷的顶板离层临界值，并与实际观测数据进行了对比和分析。
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