The drill and blast method is a widely used technique in mining operations, particularly in hard rock mining. This process involves two key components: drilling holes into the rock formation and subsequently blasting the rock to facilitate its fragmentation. Drill patterns are meticulously designed to optimise the blasting process, considering factors like rock type, size, and desired fragmentation. The drilling phase utilises specialised equipment to bore holes into the rock, where explosives a
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The drill and blast method in tunnelling involves drilling a series of holes in a precise pattern, then filling them with explosives to break and remove rock. The design of the drill and blast pattern is crucial, as it determines the effectiveness and safety of the operation. It factors in rock type, tunnel size, and desired fragmentation. Proper sequencing and timing of blasts are essential to minimise vibration, control overbreak, and maintain the tunnel's structural integrity. Follow us at tu
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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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