Assessment of blasted excavation inaccuracy at tunnel face and influences on tunnelling effectiveness
Blasting has been the most effective solution for tunnel excavation in hard rock. The accuracy of the blasting works is demonstrated by the similarity between the design and the actual excavation boundary. Hence, the overbreak and underbreak of the tunnel boundary are used to evaluate the tunnel exc...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Mouloud Mammeri University of Tizi-Ouzou
2022-12-01
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| Series: | Journal of Materials and Engineering Structures |
| Subjects: | |
| Online Access: | https://revue.ummto.dz/index.php/JMES/article/view/3282 |