| 1. | Study on dangerous cracking depth of mine freezing shaft
冻结立井的破裂危险深度研究 |
| 2. | Analysis of freeze shaft wall damage in dongrong no . 3 coal mine
东荣三矿冻结段井壁破坏原因简析 |
| 3. | Practices of mine shaft sinking construction in deep mine freezing shaft
深厚表土层井筒冻结段施工技术 |
| 4. | Mine freezing shaft sinking technology for deep mine in henan coal mines
发展中的河南煤矿深井冻结凿井技术 |
| 5. | Issues on key technologies of freezing shaft sinking in huainan mining area
淮南矿区冻结法凿井的几个关键技术问题 |
| 6. | The research about the fracture regularity of the frozen shaft wall in surface soil
冻结立井表土段井壁破坏规律研究 |
| 7. | Test and research on perimeter blasting result of frozen soil in mine freezing shaft
立井冻土周边爆破效果的试验研究 |
| 8. | Study on mechanical characteristics of reinforced concrete arc shaft wall in frozen shaft
冻结井钢筋混凝土弧形板井壁力学特性研究 |
| 9. | Pipes for use in freezing shaft sinking ; dimensions and technical delivery conditions
在冷却井筒开凿中用的管材.尺寸和交付技术状态 |
| 10. | Cement injection of perforating holes in a frozen pipe is a wholly - new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines
冻结管射孔注浆是在对石油输油井射孔技术和地面注浆技术进行研究的基础上，开发出的一种用于煤矿冻结井筒围岩加固和堵水的全新技术。 |
