Blasting is a crucial technique in mining, construction, and the excavation of pipelines in hard rock environments, as it uses controlled explosions to fracture and dislodge rock, making the removal process significantly easier and more efficient. It helps access ore deposits, clear rock for foundations and tunnels, and create trenches for pipelines, reducing labour, equipment wear, and costs while enhancing safety by precisely controlling rock breakage. Follow us at tunnel.engineering #Blasting
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Blasting is a crucial technique in mining, construction, and the exc…
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Pre-split blasting is a controlled blasting technique used in mining and construction to create a precise fracture plane in rock before the main blast, minimising overbreak and controlling the final wall shape. This method involves drilling closely spaced, parallel holes along the desired final rock face and lightly charging them to produce a clean, stable split in the rock. Follow us at tunnel.engineering #Blasting #Presplitting #ControlledBlasting #RockFracturing #MiningTechniques #ExplosiveEn
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Pre-split blasting is a controlled blasting technique used in mining …
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Blasting in mining and tunnelling involves the use of explosives to break rock and excavate materials. In mining, blasting is primarily used to fragment rock to extract valuable minerals, often requiring precise control to maximise ore recovery while minimising dilution and damage to the surrounding rock. In tunnelling, the primary objective of blasting is to create underground passages and spaces, necessitating careful design to ensure stability and safety of the tunnel structure. While both ap
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Blasting in mining and tunnelling involves the use of explosives to …
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Blasting is a highly skilled process that, when properly designed and executed, can be safely used for rock excavation even in sensitive areas such as around residential buildings. By employing controlled blasting techniques, blasting operations can minimise ground vibration and air overpressure and ensure the safety of nearby structures. The use of blasting mats further enhances control by effectively containing fly rock. With careful planning and expert execution, blasting becomes a versatile
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Blasting is a highly skilled process that, when properly designed and …
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Controlled rock blasting underway to clear land for a new housing development project.💥 | McCallum Rock Drilling
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💥 Controlled Blasting in Mining 💥 Controlled blasting is precision rock breaking done safely and efficiently. It’s not just about explosions—it’s about planning, accuracy, and protection. ✅ Why it matters: • Keeps miners and equipment safe 👷‍♂️🦺 • Reduces vibrations, dust & flyrock 🌬️🪨 • Produces perfect rock sizes for easy loading 🚜 • Protects the environment & infrastructure 🌏🏗️ ⚡ How it’s done: • Pre-split & smooth blasting for clean breaks • Sequential firing & delays for controlled
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Blasting method in construction of a shaft. We have covered drill and blast method in tunnels and shafts in our Online Tunnel Engineering course. The course also covers all other tunnelling techniques including the TBM tunnelling. Click the link below to find out more and register for the course https://www.tunnel.engineering/challenge-page/51f7482b-3bfd-48fa-b9a2-3b14d6f8b5ae Video credit: IG godspeednick_ #TunnellingCourse #blasting #blastingengineer #drillandblast #blastingpattern #blastdesig
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