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| SELECTION AND OPTIMIZATION OF BOTTOM TEXTURE FOR OPEN AND DELAYED FILLING STOPING AT DONGGUASHAN COPPER MINE |
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Revised:September 13, 2004
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| DOI： |
| KeyWord:Mining method,Open stoping,Delayed filling,Bottom texture |
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| Abstract: |
| In the light of mining conditions and selected mining method,comparison between two bottom textures,plane and trench bottoms,is carried out and selection and optimization of the trench bottom are made.It is indicated that the trench bottom with long and broken-line access drifts and for two co-side stopes is suitable for mining the orebodies in Dongguashan Mine.The selected bottom texture has a lot of obvious advantages,thus ensuring the safety and low cost in high-efficient mining. |
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