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- overhand stope method 上向梯段开采法
- A stope method of roof explosive force haulage with anchor bolt pre-control is successfully applied to mine No. 505 orebody of Tongguan Gold Mine, Shaanxi Province. 陕西潼关金矿505%23矿体,采用锚杆预控顶爆力运搬采矿法开采,获得成功。
- This paper introduced the applocation of the open stope method of blast transport with artificial pillars in the mining of inclined and extra-narrow gold vein, and made an evaluation of that method. 本文论述人工柱爆力运搬空场采矿法在倾斜极薄金矿脉的应用,并对该法进行评价。
- Overhand stoping indicates working from a lower to an upper level;underhand stoping is the opposite, from an upper level to a lower level. 上向回采是指从下往上开采,下向回采则相反,从上往下开采。
- Narrow sublevel open stope method 窄分段分采空场法
- The upward horizontal cut and fill stoping method and the measures for safe mining are recommended. 推荐使用机械化上向水平分层充填采矿法,提出了安全回采措施。
- Vertical slicing by filled stopes method is effective to mine fracturing ore body with theroof of moderate inclination. 中等倾斜顶板破碎矿体的开采,垂直分条充填采矿方法是一种较为有效的方法。
- The method seems good but it needs to be tried out. 这个方法似乎不错,但需要试验一下。
- Datuanshan XI #2 orebody at shizishan copper mine is a deep large size orebody,mined by the sub level open stoping method. 狮子山铜矿大团山XI%232矿体系深部厚大矿体,采用分段空场法开采。
- 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。
- overhand stope 上行梯段回采工作面
- The underhand slice stoping method, with reinforced concrete for roof support, is recommended to mine narrow veins where the mining technological conditions are very complicated. 针对采矿技术条件复杂的薄矿脉开采,推荐采用有钢筋混凝土护顶的下向分层充填采矿法。
- Inclined wall slicing by closely filled stopes method is a new technology.It was the first time to have the technology experimented and studied in China. 斜壁分条式密接充填采矿方法是一种新型方法,国内试验研究尚属首次。
- Based on the problems about slicing stoping method in Zhenyuan Subsidiary Company, Yunnan Gold Co., Ltd.,a new technology of drifted slicing and stripping method was put forward. 针对云南黄金有限责任公司镇沅分公司分层崩落采矿法回采工艺存在的主要问题,提出了进路分层分条回采的回采新工艺。
- Keywords medium-thickness broken orebody;sublevel open stope method;cutthrough; 中厚破碎矿体;分段空场采矿法;切割槽;
- I can't claim infallibility for this method. 我不敢说这方法绝对有效。
- The overhand floater serves to position 5. 发上手飘球,发向5号位。
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- How mang ways can the overhand serves be played in? 有多少种上手发球的方法?
- Popularizing this new method is not an easy job. 推广这种新方法不是件容易的工作。