Controlled Blasting Controlled blasting techniques are used to efficiently distribute explosive charges in a rock mass, thereby minimizing the fracturing of rock beyond the crestline of the highwall or designed boundary of main excavation areas. Such over-fracturing, commonly called overbreak, is typically more of a problem in soft or unconsolidated, incompetent overburden formations. There are several techniques that a blaster can use to minimize overbreak, but trials should be conducted to det
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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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