Optimizing maximum unsupported span value by Q - system to enhance production in mining operation, case study Antam Pongkor underground gold mine

2020 ◽  
Author(s):  
Taruna Fadillah ◽  
Sugiyanto ◽  
Abdurrahman Nasrudin ◽  
Satria Rum Syachran
2021 ◽  
Author(s):  
Christopher Powell ◽  
Nathan Brockhurst ◽  
Jean Christoph Wemmers ◽  
Marisa Torombe ◽  
Eamon Eames ◽  
...  
Keyword(s):  

2011 ◽  
Vol 120 (2) ◽  
pp. 80-89 ◽  
Author(s):  
P C Stewart ◽  
R Trueman ◽  
I Brunton

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