|
| TREATMENT OF MINED-OUT SPACES IN YINSHAN OPENPIT MINE BY BLASTING METHOD |
|
Revised:August 28, 2002
|
| View Full Text View/Add Comment Download reader |
| DOI： |
| KeyWord:Surface mining,Bench blasting,Mined-out space,Backfilling treatment |
|
|
| Hits: 2344 |
| Download times: 20 |
| Abstract: |
| After underground mining was transferred into surface mining in Yinshan Mine, some unbackfilled mined-out spaces imperiled the safety of surface mining.For this reason,a blasting method along with bench blasting was used for treatment of the mined-out spaces based on studying the geological conditions and the characteristics of the mined-out spaces and in the light of existing productive and technical conditions.The determination of relative blasting parameters and the concrete matters needing attention for this method were expounded in this paper. |
| Close |
|
|
|