This timelapse captures the bolting process underground — a critical part of strata control that reinforces the roof and walls to keep operations safe and stable. It’s one of the many behind-the-scenes efforts that make safe, productive mining possible every day. #UndergroundMining #Bolting #SojitzBlue #StrataControl #MiningInAction | Sojitz Blue
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This timelapse captures the bolting process underground — a critical …
8.3K views4 months ago
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Mining Safety: Rock Bolting & Ground Support in Lead Mines
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Mining Safety: Rock Bolting & Ground Support in Lead Mines
Mar 9, 2025
MSNBullish - Video
This video demonstrates the process of rock bolting and wire mesh installation in an underground mining project. These ground support techniques are essential for ensuring stability and safety in excavated tunnels and stopes. However, it is important to note that while this video shows the installation of wire mesh before the first layer of shotcrete, this is not considered best practice. The first layer of shotcrete should always be applied before installing wire mesh to ensure that personnel d
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This video demonstrates the process of rock bolting and wire …
49.1K viewsFeb 8, 2025
Facebooktunnel.engineering
Jackleg drilling is a core technique in underground hard rock mining, used to create the holes needed for installing rock bolts that keep the roof and walls stable. A jackleg drill is a pneumatic rock drill with an extendable leg that braces the tool against the ground or wall, allowing the operator to push the bit firmly into the rock. This setup gives miners the leverage needed to drill accurate holes at different angles, even in narrow or uneven headings. The air powered leg is what makes the
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Jackleg drilling is a core technique in underground hard rock mining, …
24K views3 months ago
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