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內蒙古霍各氣銅礦采空區穩定性分析與處理

Stability Analysis and Disposal of Huogeqi Copper Mine Gob in Inner Mongolia

  • 摘要: 詳盡論述了內蒙古霍各氣銅礦的基本情況、工程地質環境條件、空區特征、空區穩定性等影響因素,對空區分別運用理論和數值模擬的方法進行了分析和計算,并對兩種計算方法得出的空區穩定性安全系數進行了對比分析.根據得出的主要計算結果分析了空區的穩定性,并結合工程實踐提出了相應的處理措施和建議,成功地解決了霍各氣銅礦由地下開采轉為露天開采時所遺留的空區問題,實踐證明具有較高的實用性并產生了臣大的經濟效益.

     

    Abstract: The general status of Huogeqi Copper Mine in Inner Mongolia was introduced in detail including the environment, geographical condition, and character and stability of the gob area. The stability of the gob area was analyzed and calculated based on Coulomb Law and the boundary element numerical simulation method. By comparison, the safety coefficient calculated by theoretical analysis is agreeable with that by numerical simulation. According to the result, combined with engineering practice, the stability of the gob area was analyzed and the corresponding disposal method was proposed. The successful application to the gob area at Huogeqi Copper Mine shows that this method is both convenient and economic.

     

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