地下開採：不支撐採礦法 -...
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1 地下開採：不支撐採礦法 Underground Mining :Unsupported Methods 國立成功大學資源工程學系 蘇義松博士 1.方法分類(Classification of Methods) 2.房柱法（Room and Pillar mining） 3.坑室礦柱法（Stope and Pillar mining） 4.積石坑室法（Shrinkage Stoping） 5.次平巷法（Sublevel Stoping） 2009/04/29 2
Transcript of 地下開採：不支撐採礦法 -...
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Underground Mining :Unsupported Methods
1.(Classification of Methods) 2.Room and Pillar mining3.Stope and Pillar mining4.Shrinkage Stoping5.Sublevel Stoping
2009/04/29
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zEk h
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(stope)(roof)(pillar)Singh(1986)
(cracksfissuresstep fractures) (pitssinkhole) (troughssags)
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(Ore Thickness)(Multiple OreZones)(Ore Zone Depth)(Dip of Ore Zone)(Surface and Near-Surface Geology)(GeologicDiscontinuities)(Ground water)(Degree of Extraction)Steve(2002)(room and pillar)(hard rook)(sinkhole)(saucer-shaped)
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Matheson(1986)(z)(H)(z/H)5(sinkhole)z/H5~11(sinkhole)Statham(1991)90(sinkhole)z/H6
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