longwall face 中文意思是什麼

longwall face 解釋
長壁工祖
  • longwall : 長壁法回採
  • face : n 1 臉，面孔；面貌，樣子；面子，威信。2 愁容，苦臉；〈口語〉老面皮，厚臉皮。3 外觀，形勢，局面。4...
  1. The support power of the trend longwall coal face

    走向長壁高檔採煤工作面支護力
  2. The study on the movability of the face - contacted blocks in overlying strata above the longwall face in datong

    大同采場覆巖面接觸塊體可動性判定研究
  3. Analysis on strata pressure of fully mechanized longwall coal mining face in soft roof, soft coal and soft floor seam

    三軟煤層綜采長壁工作面采場礦壓分析
  4. Formation and application of the front abutment pressure on longwall face

    論采場前方支承壓力的形成及應用
  5. 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。
  6. Application of bolt, steel mesh and anchor combined support to open - off cut of fully mechanized longwall mining face with top coal caving technology

    錨網索耦合支護技術在南屯煤礦綜放切眼支護中的應用
  7. The strata behavior rule of longwall face with individual props in shallowly buried coal seam covered with thick soil was summarized

    實驗和觀測表明，盡管其上覆巖層的力學強度比較小，煤層埋深淺，但工作面初次來壓步距大，礦山壓力顯現劇烈，周期來壓臺階下沉量大。
  8. 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
  9. Discussion on layout of top coal gateway for fully mechanized longwall top coal caving mining face

    常村礦超長孤島綜放面礦壓觀測及顯現特徵
  10. Study on microseismic monitoring for spatial structure of overlying strata and mining pressure field in longwall face

    采場覆巖空間破裂與采動應力場的微震探測研究
  11. Application of bolt supporting in section roadway and large open - cut in longwall with top - coal caving face of xiagou coal mine

    下溝煤礦綜放工作面順槽及大斷面開切眼錨桿支護技術
  12. Optimization on roof strike borehole parameters of gently inclined and high cutting fully mechanized longwall mining face

    大采高綜采工作面頂板走向鉆孔參數的優化
  13. Relative location set in gas drainage gateway along strike roof of longwall mining face

    回採工作面走向頂板瓦斯抽放巷相對位置確定
  14. Practices on installation technology for fully mechanized longwall mining face in deep inclined seam

    大傾角綜采工作面安裝技術實踐
  15. Discussion on rational advancing and mining length of fully mechanized longwall mining face in shendong mining area

    神東礦區綜采工作面合理推采長度設計探討
  16. Ways to raise unit production of longwall face

    提高綜采工作面的單產途徑
  17. Practice of gas control technique for fully mechanized longwall face along dip in high gassy region

    高瓦斯區傾向長壁綜采面瓦斯防治技術與實踐
  18. Spatial fracturing progresses of surrounding rock masses in longwall face monitored by microseismic monitoring techniques

    微地震監測揭示的采場圍巖空間破裂形態
  19. Technology for fully mechanized longwall coal mining face through fault

    綜采工作面過斷層技術
  20. Discussion on design for fully mechanized longwall coal mining face

    大傾角中厚煤層長壁綜采工作面設計探討
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