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Metal Mine ›› 2013, Vol. 42 ›› Issue (01): 33-37.

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Causes of Hanging Arch and the Related Prevention and Treatment Measures in Dadingshan Mine Zone

Tan Baohui1,Sun Wenyong1,Li Jinwei2,Zhang Zhigui1,Chen Xingming1   

  1. 1.School of Environment and Resource,Southwest University of Science and Technology;2.Sichuan Jinning Mining Co.,Ltd.
  • Online:2013-01-15 Published:2013-01-23

Abstract: Great emphasis on the causes of hanging arch in Dadingshan mine area of Sichuan Jinning Mining are proposed,and some prevention measures are put forward.Then a new effective treatment method is introduced,thus providing researchers for the similar mines with some valuable references.

Key words: Pillarless sublevel caving method, Broken ore-body, Hanging arch, Treatment, Preventive measures