1·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。
2·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。
3·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。
4·The application of the geology mining condition and the gob-side entry support technology in haulage roadway No. 451 face are introduced.
介绍了45 1工作面运输平巷的地质采矿条件及沿空留巷支护技术在该巷的应用情况。
5·Industrial field tests have shown that the status quo of large deformation and severe damage of the roadway in the gob-side entry driving has been improved.
现场工业性试验表明，沿空掘巷巷道变形大、破坏严重的现状得以改善。