THE INFLUENCE OF VOID RATIO IN CUT HOLES ON BLASTING ADVANCEMENT FOR VARIOUS DRILLING DEPTHS AND SIZES OF DEVELOPMENT HEADINGS IN UNDERGROUND MINES PT FREEPORT INDONESIA
Blasting in underground mines differs from blasting in open pit mines due to the limited free-face availability that can affect the advancement factor parameters of blasting results. The advancement of underground mine development is vital because it impacts high excavation costs and time, so it...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/75208 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |