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- W2380147134 abstract "In order to study the stability of coal mining system under dragline stripping technology with thick overburden,according to the workflow of dragline and semi-continuous mining system,we analyze the difference between coal recovered definition and the traditional definition,give out the corresponding formulas;in addition,we put forward the concept of overcast area of dragline,the definition and calculation formula of overcast area.Taking coal recovered and overcast area as two valuation parameters,we obtain the results that coal recovered is a base to ensure work continuity and the overcast area is a key to ensure production stability.Last,the study of Heidaigou surface mine shows that the overcast area is 0.5 Mm2,which can ensure a production of 24.47 Mt.The maximum coal recovered is 3.74 Mt,which can last 1.2 months of mining." @default.
- W2380147134 created "2016-06-24" @default.
- W2380147134 creator A5010106280 @default.
- W2380147134 date "2010-01-01" @default.
- W2380147134 modified "2023-09-23" @default.
- W2380147134 title "Stability of Coal Mining System Under Dragline Stripping Technology with Thick Overburden" @default.
- W2380147134 hasPublicationYear "2010" @default.
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