in-the-seam mining 中文意思是什麼

in-the-seam mining 解釋
單一煤層開采法
  • in : adv 1 朝里,向內,在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • the : 〈代表用法〉…那樣的東西,…那種東西。1 〈用單數普通名詞代表它的一類時(所謂代表的單數)〉 (a) 〈...
  • seam : n 1 縫;線縫。2 介面;接縫;接合處;接合線。3 裂縫。4 (臉上的)皺紋。5 傷痕。6 【造船】(船板間...
  • 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. Against the particularity of problem of gas bursting of ( subscript 1 ) coal seam in ludian gliding structure in west henan, through a large amount of work of field surveys and interior research, and viewed from the basic theories of structural petrology, discussed some characteristics of mining gas hazard such as image, mechanism and tectonic control process

    摘要針對豫西蘆店滑動構造區二(下標1 )煤層瓦斯突出問題的特殊性,通過大量野外地質調查和室內研究工作,從構造巖石學基本理論著手,討論了構造區礦井瓦斯地質災害的表象、機理和構造控製作用。
  2. Gas even store in coal seam, and outstanding on rock wall piece which is destroyed by mining, somining, so it is a typical geological science question to prevent the gas accident of the colliery from occurring

    瓦斯不均勻地的貯存在煤層中,突出於采動破壞的巖壁段,防止煤礦瓦斯事故是一個典型的地學問題。
  3. Availability of the production system of the high coal face fully mechanized mining in the two - hard seam

    條件大采高綜采工作面生產系統的有效度
  4. Study again on the mining method of deeply inclined angle coal seam in huainan mine area

    非線性規劃法在礦井綜采工作面長度優化中的應用研究
  5. Simulation test research on mining the 3rd coal seam in muchengjian colliery

    木城澗礦三槽底部采動條件下模擬實驗研究
  6. The mining way of false slope flexible shield support in couverted seam

    倒轉煤層偽斜柔性掩護支架採煤法
  7. Application of flexible shield support mining in the secondary inclined coal seam

    掩護支架工作面安全高效開采技術
  8. In accordance with the occurrence behavior of roof strata and the fracture characteristics of key stratum in shallow seam longwall mining, studied post - buckling behavior of roof key stratum in the process of mining by using initial post - buckling theory, which derived a critical load and a breaking span of the main roof during the first weighting, determined the final subsidence and the maximum rotation angle for broken key stratum, and presented an application with the example of daliuta 1203 face

    摘要根據淺埋煤層頂板巖層的賦存特點和長壁開采時關鍵層的變形破斷特徵,應用初始后屈曲理論探討了開采過程中頂板關鍵層的后屈曲性態,得出了老頂初次來壓時頂板的臨界載荷和破斷步距,確定了頂板破斷后的極限下沉量和回轉角,並以神東礦區大柳塔1203工作面為例給出了工程實例。
  9. Study of the roadway of no. 6 coal seam position layout in shigouyi mining area

    石溝驛礦區六層煤巷道層位布置研究
  10. Study on the economical distance during combined coal mining in steep inclined thin seam group with small space between seams

    急傾斜煤層群聯合開采合理錯距研究
  11. In view of the problems occurring in trapezoidal support used in coal seam gateway, a novel small - curvature arch support for mining engineering is presented

    摘要針對煤層順槽梯形支架存在的問題,提出一種新型結構的小曲率拱型支架。
  12. On the illustration of mining in deeply inclined coal seam under buildings in muchengjian colliery in beijing, the confirmation method of coal pillar dimension and the united layout of pseudo - dip strip pillar and boundary pillar were put forward to provide theory foundation for the control of surface movement and subsidence in the mining of deeply inclined coal seam

    摘要以北京木城澗煤礦大臺井建築物下壓煤開采為例,提出了急傾斜煤層開采條件下條帶煤柱尺寸的確定方法和傾斜條帶煤柱與邊界煤柱相結合的條帶布置方案,為急傾斜煤層開采地表沉陷控制提供了理論依據。
  13. Based on its special geological and mining conditions of qidong colliery, the cause of water bursting of loose aquifer in the 4th lineage in 7 ( subscript 1 ) 14 full - mechanized mining face of the first mining area was analyzed and technology method of preventing the 4th loose aquifer was discussed according to the occurrence characteristics of loose aquifer and damage characteristics of overburden rock in 7 ( subscript 1 ) coal seam

    摘要根據祁東煤礦特殊的地質采礦條件,結合鬆散含水層賦存特徵及7 (下標1 )煤層覆巖破壞特點,分析了一采區7 (下標1 ) 14綜采工作面第四系鬆散含水層出水的原因,探討了防治四含水的技術途徑。
  14. Study on failure laws of surrounding rock in the steep dip and extra - thick coal seam mining

    急斜特厚煤層開采圍巖破壞規律研究
  15. Simulating test study in shallow seam mining under thick soil of the earth ' s surface

    地表厚土層淺埋煤層開采模擬實驗研究
  16. Determination of key parameters in the design of spot place in the middle of single seam mining area

    單一煤層采區中部甩車場設計中一個關鍵參數的確定
  17. Key strata is a rock seam which plays an important controlling roles in the movement of mining overlayer strata while the key strata is sometimes made up of two or more compound rock strata

    摘要在采場覆巖運動中起主要控製作用的巖層為關鍵層,而有時關鍵層是由2層或2層以上巖層形成的復合巖層所組成,我們稱其為復合關鍵層。
  18. The slide - proof measures of equipment in slope seam comprehensive mining working face

    傾斜煤層綜采工作面設備防倒防滑措施
  19. The caving roadways support have to complete two tasks in the steep seam sub - level caving. the one is to maintain the caving roadway stability, the another is to help the top coal to be broken. based on summarizing and analyzing field test, a fuzzy comprehensive judgment model is established for selection on supports used in caving roadway by the fuzzy theory. the support pattern of caving roadway is optimized, which has fixed guiding significant in application and dissemination of the mining method. 2figs., 2tabs., 6refs

    急傾斜煤層放頂煤放煤巷道的支護不僅要維護巷道的穩定,還須有助於頂煤的破碎、放出.在總結和分析現場試驗的基礎上,運用模糊數學理論,建立了放煤巷道支護選型的綜合評判模型,對放煤巷道的支護方案進行了優選,對推廣急傾斜煤層放頂煤法有一定的指導意義.圖2 ,表2 ,參6
  20. Dividing the mining area and arranging for tunnel in the mining area in the thin coal seam cluster well

    薄煤層群井田的采區劃分及采區巷道布置
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