In order to study on safety problem of seam mining under river in the hilly area with base rock exposed in Southwest China,based on the geological mining conditions,the paper discussed a failure height of the overburden strata and the size of the water prevention safety coal and rock pillars.And in combination with the surface movement and the deformation parameter prediction,the paper analyzed the mining operation affected to the river bed after the mining of the seam and provided the relevant safety minin...
| 
推荐 
点击下列相关研究机构和相关文献作者，可以直接查到这些机构和作者被《中国知识资源总库》收录的其它文献，使您全面了解该机构和该作者的研究动态和历史。
