gob roadway 中文意思是什麼
gob roadway
解釋
采空區中的巷道-
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 -
Study on controlling mechanism of surrounding rocks of gob - side entry with combination of roadside reinforced cable supporting and roadway bolt supporting, and its application
錨桿支護巷道巷旁錨索加強支護沿空留巷圍巖控制機理研究及應用 -
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。 -
Roof control practice of gob - side entry retaining in 91208 roadway
91208巷沿空留巷頂板控制實踐
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