回填土主斜井口改造技术

Transformation Technology of Backfilling Soil to Host Inclined Shaft Mouth

将注浆加固技术用于斜井回填土段扩砌改造,解决了建筑物下回填土井筒改造技术难题,保证了矿井正常安全生产,为矿井"五优"创建创造了条件。

The technology of slip casting is consolidated has been used for inclined shaft backfilling, which expanding step make over paragraph This has resolved the technology difficult problem that the inclined shaft under buildings is fill with soil next time , It has ensured that the mine pit is regular safety at work and it has created condition for the foundation of ＂five superior＂ mine pit.