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V. Rastsvietaiev

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Conference Open access 2026

Energy Consumption Assessment of Percussive-Rotary Drilling in Hard Rock Massifs Based on Specific Fracture Energy

Percussive-rotary drilling is widely used for excavation in hard rock massifs, yet it suffers from high energy consumption and low efficiency. This study presents a comprehensive assessment of energy consumption in percussive-rotary drilling based on specific fracture energy as the key metric. Laboratory experiments...

Ratov Boranbay, O. Pashchenko, V. Rastsvietaiev et al. · 0 citations

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