The distinction between good and bad fragmentation in blasting is critical… | Blessing Olamide Taiwo 🎇
The distinction between good and bad fragmentation in blasting is cr…
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Why Timing is Important in Blasting OperationsTiming plays a critical role in achieving optimal blasting results. Properly designed delay timing determines how effectively the energy from each hole… | Blessing Olamide Taiwo 🎇
Why Timing is Important in Blasting OperationsTiming plays a critical r…
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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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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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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 Controlled blasting techniques are used to ef…
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9K views · 98 reactions | Pre-split blasting is a controlled blasting...
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Principle of Rock Fracturing During Blasting Rock fracturing during blasting is the process of breaking rock into smaller pieces using explosive energy (Sanchidrián et al., 2007). When explosives are detonated in drilled blast holes, the stored energy creates high-pressure shock waves that travel through the rock, causing it to fracture. The mechanism of rock fracturing can be broken down into three key phases: 1. Shock Wave Generation When the explosive charge is detonated, a rapid chemical rea
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Principle of Rock Fracturing During Blasting Rock fracturing during bl…
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BLASTING FOR REDUCED ROCK DAMAGE AND CONTROLLING ST…
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#blasting #excavation #construction #engineering #civilengineering #ci…
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