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- inclined longwall mining method 倾斜长壁采煤法
- inclined longwall mining 倾斜长壁采煤
- The paper regards the main roof strata in uphill and downhill mining of an inclined longwall as a elastic plate. 本文将倾斜长壁仰斜、俯斜开采的老顶岩层视为倾斜弹性板。当板的长短跨度之比>2时,板的荷载主要由短跨边来承担。
- The case of inclined longwall and overhead mining at 31005 face in Zaozhuang Coal Mine and technical manage measures are introduced. 介绍了查庄煤矿在31005工作面使用倾斜长壁仰斜开采的情况及技术管理措施,对相似条件下此类采煤法的使用提供了可借鉴的经验。
- fully mechanized inclined longwall coal mining face 倾斜长壁工作面
- inclined longwall coal mining face 倾斜长壁工作面
- Its successful selection and application are the prerequisite for successful longwall mining . 正确、合理地选择液压支架架型是长壁工作面采煤成功的前提和关键。
- ABSTRACT :Modern longwall mining employs hydraulic powered supports at the face area. 摘要:液压支架广泛应用于现代长壁采煤工作面上。
- This technology, being an important supplement for longwall mining technology, is called modern shortwall mechanical looping mining technology. 这种技术被视为现代短壁机械化采煤技术,是长壁采煤技术的重要补充。
- New Mining techniques and equipments are utilized to raise the production and efficiency with longwall mining in thick seam. 为了提高中厚煤层长壁综采的高产高效,采用了新的开采技术工艺和设备,达到了预想的目的。
- Law of Ground Behavior in an Inclined Longwall Face with High Mining Height 大采高倾斜长壁综采面矿压显现规律
- Analyses the factor that effect on the percentage of recovery in longwall mining with caving coal face,approaches the access to raise the percentage of recovery. 分析了影响综采放顶煤回收率的因素,探讨了提高回采率的途径。
- The mining craft of longwall mining method has many characteristics.The roof slice longwall method increases the work of laying false roof for next slice. 长壁采煤法的采煤工艺具有多重特点:顶分层采煤增加了要为下分层填设假顶的工作。
- The researches show that the main roof initial fracture process,when incline longwall being employed,has three types,and the calculation formula is given,wa also analyzed th... 同时分析了煤层倾角和顶板条件对老顶断裂和矿压显现的影响。
- Using the laboratorial Stacked-block modeling technique, this paper aims at investigating the conditions that arc liable to incur disequilibrium and instability of broken layers of overlying strata in longwall mining ares. 本文主要在实验室,用砌块模型的方法对采场上覆坚硬岩层已破断岩块的平衡及失稳条件进行了研究。
- QIAN Ming-gao, MIAO Xie-xing.Theoretical analysis on the structural form and stability of overlying strata in longwall mining[J].Chinese Journal of Rock Mechanics and Engineering, 1995, 14(2): 97-106. [5]钱鸣高; 缪协兴.;采场上覆岩层结构的形态与受力分析[J]
- Practice of inclined longwall downward mining with light caving supports in big dip seam 倾斜长壁大倾角俯斜轻放开采实践
- Keywords tunnel layout;mining ared size;face;inclined longwall cutting method;section height;uphill and aowhill mining; 巷道布置;采区尺寸;工作面;倾斜长壁采煤法;阶段高度;上下山联合开采;
- Louise is very musically inclined. 路易丝很有音乐天赋。
- He was inclined to give them a free hand. 他倾向于放手让他们干。
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