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- Practice shows that shallow hole shrinkage stoping method greatly decreased mining workload,lessened mining time,and increased mining efficiency. 实践证明,改进后大大减少了采切工程量,缩短了施工时间,提高了生产效率,为同类矿山提供了经验。
- The combination of sublevel stoping and shrinkage stoping is proposed.The inharmoniously demand of ore for concentrator can be met by modulating the mining process. 推荐使用分段空场法和留矿采矿法进行采矿,通过对井下采矿作业的工艺调节,满足选矿厂的不均衡供矿。
- In this paper,the structure and construction of the flat bottom of short-hole shrinkage stope with grid fence attached are studied. 本文介绍了浅孔留矿法平底栏栅底部结构及其施工。
- In mining the extremely fractured thin ore body,the separation of waste rock in the conventional shrinkage stoping was replaced by the separation of the rich ore and retaining the lean ore. 对极破碎薄矿体的开采,采用了将常规的留矿法中分选废石改为分选富矿石留贫矿石的采矿方法。
- Blasting control in shrinkage stoping method 留矿法采矿控制爆破实践
- Application of shrinkage stoping method 留矿采矿法在民采中的应用
- shrinkage stoping with short hole 浅孔留矿法
- shallow-hole shrinkage stoping method 浅孔留矿法
- short-hole shrinkage stoping method 浅孔留矿法
- shrinkage stoping without floor pillar 无底柱留矿法
- When extracting steeply-inclined thin orebody near outcrop, there normally exists triangle stopes.Many technological problems occur when extracting such stopes with common method of shrinkage stoping. 摘要急倾斜薄矿体露头附近开采时，常形成三角形不规则采场，采用普通浅孔留矿法回采存在一系列技术问题。
- The application of shrinkage stoping method in China 浅述留矿采矿法在我国的应用
- Keywords ore dilution rate;ore loss rate;shallow shrinkage stoping; 矿石贫化率;矿石损失率;浅孔留矿采矿法;
- Keywords shrinkage stoping;resuing;caving;mining method; 留矿;削壁充填;崩落;采矿方法;
- There has been some shrinkage in our export trade. 我们的出口贸易量已有些减少。
- Application of Full Shrinkage Stoping in Inclined Medium-thick Orebody 留矿全面法在中厚倾斜矿体中的应用
- It's best to allow for shrinkage when buying cotton clothes. 买棉布衣服时最好考虑到它们的缩水率。
- Bottom Structure Evolvement and Effect of Shallow Hole Shrinkage Stoping System 浅眼留矿法的底部结构演化及其效果
- The rule of roof movement of shrinkage stoping in deep inclined thick seam 大倾角厚煤层仓储式采煤法顶板活动规律
- Experimental research on composite scraper way low shrinkage stoping method 复合电耙道浅孔留矿采矿法试验研究
