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- Design on the caving of the large dip angle coal seam group 大倾角煤层群采煤设计初探
- Study on the light extraction technology in the large dip angle coal seam 俯伪斜大倾角煤层轻放回采工艺的研究与实践
- dip angle coal seam 倾角煤层
- The example of the large dip angle and the coal seam group is the Yuexu area in Tangshan Mining Filiale. 大倾角、煤层群采煤设计以开滦唐山矿业分公司重点衔接区域岳胥区-680水平采区为设计对象。
- Authors introduce a fully mechanized mining technology with great mining length, height and dip angle adopted by No.12 colliery of Pingdingshan Coal Group under the condition of outburst coal seam. 本文介绍了平煤集团十二矿在高突条件下,进行的大采长、大采高、大倾角综采开采技术,采取的措施和取得的经验,并提出了有待解决的技术问题。
- Relationship between height of inbreak zone and fracture zone and dip angle of steeply dipping coal seam has been discussed. 急倾斜煤层中冒落带和裂隙带高度随煤层倾角变化的规律已被褐示[7]。
- Discussion on the relation of the full-mechanized work face coal seam dip angle and the advanced quantity 浅谈综采工作面煤层倾角与超前量的关系
- Application of the light support in the large dip angle extreme thick coal seam recovery 轻放支架在大倾角特厚煤层开采中的应用
- coal seam dip angle 煤层倾角
- CALCULATION FOR MAXIMUM SUBSIDENCE INDUCED BY COAL SEAM MINING WITH DIFFERENT DIP ANGLES 基于倾角变化的最大下沉值计算方法
- Fast Driving Technology of Bolt Mesh Supporting Mining Roadway in Big Angle Coal Seam 大倾角煤层回采巷道锚网支护快速掘进技术分析
- Application of inchined longwall and overhead mining technology in large tilt angle coal seam mining 倾斜长壁仰斜开采技术在大倾角煤层中的应用
- The Study of Roof Management Problems with Big Tilting Angle Coal Seam Applying Tilting Extraction 大倾角煤层仰斜开采顶板管理问题的研究
- The fall protection and antiskid measures of the fully mechanized caving equipment in the large - angle coal seam longwall 大倾角走向长壁综采配套设备的防倒防滑措施
- During themining of the face using fully-mechanized top -caving method, the oblique face length is seen to be increased due to variation of dip angle of seam. 介绍了在"三软"不稳定厚煤层综放工作面回采过程中,由于煤层倾角变化造成切巷长度增加后,所采用的增加液压支架及前后部输送机延伸的技术。
- All planar structures are represented by a strike line and dip angle. 一切平面构造均可用向线和倾斜角来表示。
- Coal miners; coal seams; coal haulers. 煤矿工; 煤层; 运煤工
- The upper continental formations are high dip angle structures in Heba 1 Well. 河坝1井上部陆相地层属于高陡构造,地层倾角大,极易发生井斜。
- high inclined angle coal seam 大倾角煤层
- Coal seams intermixed with iron ore. 煤层和铁矿混杂在一起。