caving mining 中文意思是什麼

caving mining 解釋
崩落法
  • caving : 岸崩
  • mining : n 1 采礦,采礦業,礦業。2 敷設地雷[水雷]。adj 開礦的,采礦的。 a mining engineer 采礦工程師。 min...
  1. Preliminary study of overburden breakdown law with full mechanised top coal caving mining under thick and hard gneiss

    硬厚片麻巖下綜放採煤覆巖破壞規律初探
  2. Fire prevention and control of extra - inflammable thick seam with caving mining

    極易燃厚煤層放頂煤火災防治
  3. Coal spontaneous combustion prevention and control technology for coal mining terminal line of overlong fully mechanized top coal caving mining face

    超長綜放工作面終采線處煤炭自燃防治技術
  4. Sub - level caving mining with seam of thickness dirt band

    含厚夾矸煤層的綜放開采
  5. Study on packing body supporting resistance of enter - in packing for in - situ gob - side entry retaining in fully - mechanized top - coal caving mining face

    綜放巷內充填原位沿空留巷充填體支護阻力研究
  6. Comprehensive gas control in high - output and efficient fully mechanized underhand stope with caving mining

    高產高效俯采綜放面瓦斯綜合治理
  7. Prediction study of caving space in block caving mining method by magnetic strength change measured in field

    利用磁鐵礦磁場變化預測崩落空間的現場研究
  8. 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。
  9. Complex control of gas at upper corner angle of medium - thick seam with fully mechanized caving mining

    中厚煤層綜放工作面上隅角瓦斯綜合治理
  10. Technology management practice of full - mechanized caving mining face passing faults

    綜放工作面過斷層技術管理實踐
  11. 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
  12. Study on depressurizing control of the surrounding rock of a roadway along gob area in sub - level caving mining

    綜放沿空巷道圍巖卸壓控制研究
  13. Study on distribution law of leaked air and oxygen content in the gob of fully mechanized coal face with caving mining

    綜采放頂煤工作面采空區漏風與氧氣濃度分佈規律研究
  14. Fully mechanized high top coal caving mining technology in hard coal seam of honghui no. 1 mine

    紅會一礦堅硬煤層大放高綜采放頂煤開采技術
  15. Summarize on the top - coal caving mining in huainan mining area

    淮南礦區放頂煤開采實踐與對策
  16. Based on the geological and mining conditions and occurrence characteristics of loose aquifer of xinglongzhuang colliery, water bursting cause of 4303 full - mechanized caving mining face under loose aquifer was analyzed, the prevention measures of the 3rd aquifer and reasonable dimension of coal pillar for sand proof were discussed in this paper

    摘要根據興隆莊煤礦地質采礦條件,結合鬆散含水層賦存特徵,分析了四采區4303綜放工作面第四系鬆散含水層出水的原因,探討了防治三含水的技術途徑和留設防砂煤柱的合理尺寸。
  17. Practice on drilling blasting mining replaced by caving mining with light hydraulic supports in soft roof, soft coal and soft floor seam

    煤層中炮采改為輕放開採的切眼支護實踐
  18. 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。
  19. Mine fire prevention and control along goaf side of fully mechanized longwall top coal caving mining face

    綜放工作面沿空側采空區防滅火治理
  20. Advance in chinas underground mining methods is reviewed, caving mining, open - stope mining and stoping - filling mining that reflect chinas underground mining technological level are summed up and the developmental trend of chinas underground mining methods is forcasted

    回顧了建國50年來我國地下礦山采礦方法的進展,概括總結了體現我國地下采礦技術水平的崩落采礦法、空場采礦法和充填采礦法,展望了我國地下采礦方法的發展趨勢。
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