drift mine 中文意思是什麼

drift mine 解釋
平硐
  • drift : n 1 漂亮;(潮流的)推進力。2 漂流物;吹積物;堆積物;【地質學;地理學】冰磧,漂礫。3 傾向,趨勢...
  • mine : pron 1 〈I 的物主代詞〉我的(東西),我的家屬,我的親戚。 The book is mine 這本書是我的。 He was ...
  1. Effect and gme of lenshan mine stope key out blasting on waste drift repass

    采場開溝爆破對廢石平硐溜井的影響及對策
  2. Application of caving mining technology with bottom under condition of flat dipping mid - thick body and unstable rock caused the most of trench and bottom drift, located in abutment, to be destroyed and low recovery in south area, xishimen iron mine

    摘要在緩傾斜中厚礦體底板巖性不穩固的條件下,採用有底柱崩落法,由於電耙道大多處于空區邊部應力集中的部位,致使塹溝及底部結構巷道破壞嚴重而使回收率極低,採用無底柱崩落卸壓則可有效解決上述難題。
  3. The application of the cemented filling technic in this mine has proven that it has such advantages as high concentration of slurry, low cost of filling and filling without dewatering, etc., so that it is special fit to underhand drift cut - and - fill stoping

    礦山應用證明,該技術具有充填濃度高、充填成本低、充填體不需脫水等顯著優點,特別適合於下向進路膠結充填采礦法中應用。
  4. Simulation and analysis are made for the various excavation schemes for the drift cut - and - fill stoping production in xiaotianjing mine district of heqing manganese ( group ) co. by 3 - d fem and the optimized excavation scheme has played a great role in assuring a safety mine production

    應用三維有限單元法對鶴慶錳業集團公司小天井礦區上向進路分層乾式充填采礦過程進行了不同開挖方案的模擬分析,所優選的開挖方案對礦山安全生產起到較大作用,模擬結果與生產實際基本一致。
  5. Combined support system applied to mine 1 coal drift in liyuan coal mine

    聯合支護在梨園礦二1煤層巷道中的應用
  6. The crnveying srstem of belt conveyor are mine car are introduced. in the second level drift, it was reformed, on the basis of contrast

    介紹了皮革和機車運煤系統,通過詳細對比,對采區水平運煤系統進行改造,可大大提高經濟效益。
  7. Design of power supply of conveyance system of main drift in tucheng mine

    土城煤礦主平硐運輸系統供電設計
  8. Roof supporting of thick coal drift in sitai mine

    四臺礦厚煤層綜采順槽及切眼頂板支護問題探討
  9. Monitoring study on drift deformation of daye iron mine

    大冶鐵礦巷道變形監測研究
  10. According to the actual condition in jinchuan longshou mine, using three - dimensional numerical simulation, this paper analyzes the stresses, displacements and safety factors of mined - out area and filling body under the conditions of different filling height of down hexagon drift, and the drew conclusions provide theoretic guidance for safety mining

    結合龍首礦的實際情況,利用三維數值模擬的方法對龍首礦下向六角形大斷面進路不同充填高度情況下采空區及充填體的應力、位移及安全率等進行了分析研究,所得出的結論為礦山安全生產提供了理論指導。
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