本文简要介绍了板石矿业公司上青矿露天转地下开采平稳过渡的经验以及对眼前山铁矿露天转地下开采的借鉴意义。
The experience of smooth transfer of Shangqing Iron ore Mine of Banshi Mining Company are introduced, which can be taken for reference by Yanqianshan Iron Ore Mine.
结论:板青合剂对预防医院感染有较好的临床效果。
Conclusion: Banqing Heji has a clinical effect on preventing hospital infection.
以板石沟铁矿上青矿区西端岩移问题为例进行了分析计算。
Analysis and calculation are illustrated by the specific example of ground surface movement at the west Shangqing mining field.
简述了板石矿业公司上青矿640主运输平巷在硐口段施工过程中,克服地质条件复杂、多变的现状,采用撞楔超前支架法施工,硐口掘凿获得成功。
The geological condition is complicated and varies often. Using the method of pre-support through hammering wedge, the cave mouth digging work of No. 640 main transportation channel was successful.
简述了板石矿业公司上青矿640主运输平巷在硐口段施工过程中,克服地质条件复杂、多变的现状,采用撞楔超前支架法施工,硐口掘凿获得成功。
The geological condition is complicated and varies often. Using the method of pre-support through hammering wedge, the cave mouth digging work of No. 640 main transportation channel was successful.
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