secure rock 中文意思是什麼

secure rock 解釋
穩固巖石
  • secure : adj （ curer; curest）1 安心的；不必擔心的；有把握的。 2 可靠的。3 安全的。4 堅固的；牢固的。5 必...
  • rock : n 1 巖，巖石，磐石，巖壁；卵石；〈常 pl 〉〈美口〉石子兒；暗礁，巖礁。2 〈the R 〉直布羅陀 （Gibr...
  1. Based on the characteristics of intense deformation - failure of surrounding rock in a soft and thick coal seam roadway along gob area coal mine, the structure calculating model of original rocks around a roadway along gob area is constructed by knowledge of mechanics, and various bolt - mesh - anchor supporting schemes are simulated and supporting parameters optimized, supporting schemes is proposed, which is secure and economic

    摘要針對松軟破碎厚煤層綜放沿空巷道圍巖變形破壞特徵，建立沿空巷道原始圍巖結構計算模型，模擬計算各種不同支護設計方案，優化支護參數，選定安全經濟的支護方案。
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