The Influence and Countermeasures of Underground Goaf Under Open-pit Mine

被引：0
|
作者：
Ding Xinpin [1 ,2 ]
Zhao Ruhui [1 ,2 ]
Zhou You [1 ,2 ]
Zhang Xuechao [1 ,2 ]
机构：
[1] China Coal Res Inst, Beijing 100013, Peoples R China
[2] State Key Lab High Efficient Min & Clean Utilizat, Beijing 100013, Peoples R China
来源：
PROCEEDINGS OF 2015 INTERNATIONAL SYMPOSIUM - SAFETY AND HIGH EFFICIENCY MINING IN COAL | 2015年
关键词：
Open-pit mining; Underground goaf; Security thickness of roof; Risk assessment;
D O I：
暂无
中图分类号：
TD [矿业工程];
学科分类号：
0819 ;
摘要：
At present many open-pit mines face serious threat of underground goaf in China. Take exploration and governance of goaf of a certain open pit mine of Pingshuo mining area as engineering instance, the risk assessment method and the method for determining the best treatment time of open-pit mine goaf was proposed, according to such theories as structural mechanics and mechanics of materials, established corresponding relations between the smallest security thickness of goaf and goaf span. This has extremely vital significance for guiding the safe production of open-pit mine.
引用
收藏
页码：172 / 179
页数：8
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