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《Express Information of Mining Industry》 2003-01
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Practice of Using Shallow Shrinkage Method Following Sill Pillar-Free Subdrift Caving in the Bottoming

Zhu Cunwei (Designing Research Institute of Mining Division,Wuhan Iorn & Steel Co.) Mei Linfang (Daye Iron Mine of Mining Division,Wuhan Iron & Steel Co.)  
Shallow shrinkage method following sill pillar free subdrift caving was used in the bottoming below 40m in the west zone of Jianlinshan ore body of Daye Iron Mine,which obtained better economic benefit.
【CateGory Index】: TD853.31
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