sublevel caving 中文意思是什麼

sublevel caving 解釋
分段崩落采礦法
  1. Stability analysis and control principles of soft rock roadway bestrided over mining by isolated fully - mechanized mining face with sublevel caving

    綜放跨采軟巖巷道穩定性分析與控制原則
  2. Study on passing faultage troop in 2116 fully - mechanized coal winning with sublevel caving face

    2116綜放面過斷層群技術研究
  3. Field survey study of ground movement and deformation laws of fully - mechanized mining with sublevel caving

    綜放開采地表移動規律實測研究
  4. Field survey study of ground movement and deformation laws of fully mechanized mining with sublevel caving

    綜放開采條件下地基反力的變化規律
  5. Technology of high efficient mining for fully mechanized sublevel caving working face to sideway pass through sunk column

    綜放工作面遇陷落柱高效開采技術
  6. Technology of coal spontaneous combustion prevention in open gob of full - mechanized sublevel caving

    淺談龐莊礦區採煤塌陷地的綜合開發利用
  7. On the cover caving in the sublevel caving of slightly dipped thick orebody

    緩傾斜厚礦體無底柱分段崩落法放頂方式探討
  8. Analysis on danger of pressure bump when fully mechanized sublevel caving mining face passed through terminal mining line of top slicing seam

    綜放面過上分層終采線沖擊地壓危險性分析
  9. Comprehensive controlling technology of fire fighting in special period of full - mechanized sublevel caving faces in not prone to spontaneous fire coal seam

    不易自燃煤層綜放工作面特殊時期防滅火綜合治理技術
  10. The blast of sublevel caving together with the blast of undercutting, crater opening and slot cutting are brought about successfully at same time in the practice of sublevel drilling and stope mining with nonelectric blast ignition system, and the productivity of mining is increased

    在分段鑿巖階段礦房法回採實踐中，用非電導爆管雷管起爆系統成功地實現了階段落礦爆破與拉底、辟漏、切槽爆破一次同步進行，提高了生產效率。
  11. Study on ore loss and dilution in pillarless sublevel caving based on sls system

    系統的無底柱崩落法礦石損失貧化的研究
  12. With computer imitation and laboratory physical analog as the lead and on the basis of test ore blocks and industrial blownoff - ore rock tests, study on the enlarged - structure parameters of sublevel caving in meishan iron mine was carried out, which included single tests of drilling and blasting parameters ， transition sublevels and equipment complementation. the timely popularization of this enlarging structural parameter technique has greatly improved the performances of the sublevel caving mining and promoted the technological advance of underground mining

    梅山鐵礦加大無底柱分段崩落法采礦結構參數研究，採用計算機模擬、實驗室物理模擬為先導，試驗礦塊、工業放出體試驗為基礎，分別進行了采場鑿巖爆破參數、過渡分段、設備配套等單項試驗，並在全礦及時進行了推廣應用，極大地改善了礦石開采過程中的各項指標，促進了地下礦山開採的技術進步。
  13. Analysis of the way for the main roof caving relating to the staggered sublevel caving method

    錯層位放頂煤方法老頂垮落方式分析
  14. Abutment pressure distribution and its transfer law in floor of deep isolated fully - mechanized mining faces using sublevel caving

    深井孤島綜放面支承壓力分佈及其在底板中的傳遞規律
  15. Study of sublevel caving hydraulic support in gently inclined

    厚煤層放頂煤支架的研製
  16. Supporting techniques of preparation roadway for fully mechanized sublevel caving in the easily spontaneous combustion coal seam

    易自燃煤層綜放開采采準巷道支護技術研究
  17. Similar materials simulation of moving laws analysis on roof strata with sublevel caving mining

    綜放開采上覆巖層運動規律相似材料模擬分析
  18. Design of roadway bolting support for quot; isolated island quot; sublevel caving - in long wall workface based on the ground stress measurements

    基於地應力測試的孤島綜放工作面巷道錨桿支護設計
  19. Dust suppression by using dynamic pressure injecting water in fully - mechanized sublevel caving faces

    綜采放頂煤工作面動壓注水降塵
  20. Optimizing technological parameters of fully mechanized sublevel caving face under the two hard conditions by numrical simulation

    條件下綜放工藝參數數值模擬優化研究
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