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- Study on depressurizing control of the surrounding rock of a roadway along gob area in sub-level caving mining 综放沿空巷道围岩卸压控制研究
- STUDY ON SUPPORTING TECHNOLOGY OF ROADWAY ALONG GOB AREA IN ASOFT AND THICK COAL SEAM WITH FULLY-MECHANIZED SUBLEVEL CAVING SYSTEM AND ITS APPLICATION 软煤层综放沿空巷道支护技术研究及其应用
- Research and Application of Fire-fighting Technology for Starting Cut along Gob Area of Fully Mechanized Sublevel Caving Faces 综放工作面沿空开切眼防灭火技术研究与实践
- Keywords fully mechanized sub level caving;roadway along gob area;simulation calculation;depressurizing roadway;loosening blasting; 综采放顶煤;沿空巷道;模拟计算;卸压巷;松动爆破;
- Roadway driving along gob area 沿空掘巷
- roadway along gob area 沿空巷道
- along gob area 沿空
- It is a useful approach to construct tailing ore bin hy a large gob area which is fomed due to mining. 把地下矿山因开采而形成的大型采空区改建为尾矿库,是处理采空区的有效方法。
- The roadway forming along gob is to form a roadway by supporting along the gob behind the coal face.It serves for this coal face and next coal face. 沿空成巷是直接在工作面后方沿采空区边缘支护形成一条巷道，它服务于本工作面及相邻工作面，一巷两用。
- Coal crack and destabilization quantitative experiment is a fundamental study on forecast dynamic hazard of gob area. 摘要煤岩破裂与失稳的定量化实验是准确预测预报采空区动力学灾害的基础研究。
- The surface subsidence above coalmine gob area is a typical and serious geological environment problem in Yongcheng mining area. 煤矿采空区地面沉陷是永城矿区典型、突出的矿山地质环境问题。
- One of effective ways to realize safety in production at highly gaseous face is introduced,which is controlling gas flooding at gob area by using pressure equalizing technique. 利用开区均压技术抑制采空区瓦斯涌出的措施,理论分析和实践表明,它是实现高瓦斯工作面安全生产的有效措施之一。
- According to the investigation of gob area and FLAC simulation,the study and practice provide the experiences for reference and create considerable economic benefits. 该项研究与实践为缓薄矿体采空区综合治理提供了可供借鉴的经验,并为矿山创造了可观的经济效益。
- According to the character of abutment pressure, receive the conclusion that the minimum size to extract is relate to the gob area of the both sides, and provide the formula. 根据煤体支承压力分布特征得到最小孤岛煤体可开采尺寸与两侧采空范围相关的结论，并给出了计算公式。
- Because gob area extends increasingly that has been caused by cool production, the rigorous shortage of land resources in our country is getting more serious. 煤炭生产造成地表塌陷的采空区日益扩大，极大地消耗着我国形势本已严峻的土地资源。
- As a result, the deformation of the gob area under the freeway hasn't been finished.The harm to the freeway being built will be made, and the relative measures must be taken. 研究结果表明：该煤矿采空区的变形尚未完成，对拟建的高速公路将产生很大的危害，必须采取相应的工程治理措施。
- driving along gob - side entry with small pillar 窄煤柱沿空送巷
- Taking one regularization work of coal gob area as example a new method is introduced for grouting pipe connection, which successfully resolved the pull-out and reutilization issues of grouting pipe. 以某采空区治理工程为例,介绍了采用正反丝连接注浆管的新方法,成功地解决了注浆管的起拔及重复利用问题,并对新法与不拔管及常规拔管方法的经济性进行了分析比较。
- She squelched along the muddy path. 她沿着泥泞小径格吱格吱地走。
- The inrush mechanisms of high pressure groundwater from floor of coal seam and gob areas, as well as related preventing technology are the study emphases. 重点分析了深部煤炭资源开发过程中高承压水底板突出机理及其防治技术和废弃矿井老空水突出机理与防治技术。
