Underground Drilling and Blasting | Mining Training Explained
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Underground Drilling and Blasting | Mining Training Explained
11K viewsNov 26, 2013
YouTubeMining Videos
The pre-splitting method of blasting is a controlled technique used in mining and construction to create a clear, defined break in rock, reducing the risk of overbreak and minimizing damage to the surrounding area. This method involves drilling a series of closely spaced, aligned holes along the desired final contour or boundary and then loading them with explosives. The primary goal is to induce fractures along these pre-drilled lines before the main blast occurs. This controlled fracturing all
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The pre-splitting method of blasting is a controlled technique used in …
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Online Graduate Certificate in Explosives & Blasting
Online Graduate Certificate in Explosives & Blasting
Apr 19, 2025
uky.edu
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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Pre-splitting blasting technique is a method employed in rock excavati…
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Blasting Techniques : Fleming College
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