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Grasberg block cave underground mining will be started in 2016. As a primary access for man and material, AB Tunnel has been building since 2004 using drill and blast tunneling method. With primary sequences are 1) Drilling face, 2) charging and blasting, 3) mucking and hauling, 4) ground supporting...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/12593 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |