| 1. | Practice of goaf back filling using solid wastes 固体废弃物充填地下采空区的实践 |
| 2. | Application of coal anchor support along goaf 煤锚支护在完全沿空掘巷中的应用 |
| 3. | Stability analysis of the building foundation for goaf 采空区建筑地基稳定性评价研究 |
| 4. | Methods and prospects for methane drainage in goaf 采空区瓦斯抽放方法与展望 |
| 5. | Safety measures of cutting along goaf and with thin pillar 窄煤柱沿空掘巷的安全措施 |
| 6. | Subsidence processing on goaf under railway 铁路下采空区塌陷问题的处理探讨 |
| 7. | Technical research on adjusting shaft water with goaf water 利用老空区调控矿井水技术 |
| 8. | Study on goaf disposal of sandaozhuang mine area 三道庄矿区采空区处理研究 |
| 9. | Leaving roadway along goaf at combined mechanization mining face 综采工作面的沿空留巷 |
| 10. | Management and control of goaf collapse in mine areas 矿区采空塌陷的治理 |