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Mining DocExplainer
Added: May 22, 20252025-05-22T13:13:52-04:00 2025-05-22T13:13:52-04:00In: Mining Operations

Have you ever seen how powerful tools like rock splitters break through solid rock in mining?

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Rock splitters are specialized tools used in mining and quarrying to extract or break natural stone and rock into smaller, manageable pieces without the use of explosives (CareerExplorer, n.d.,). These tools are crucial for operations where blasting is not feasible or desired due to noise, vibration, or safety concerns (Darda, n.d.).

The most common type, hydraulic rock splitters, operate on a principle that exploits the rock’s low resistance to internal forces compared to external compression (Darda, n.d.).

The process begins by drilling a hole of appropriate depth and diameter into the rock. A splitting insert, consisting of a central wedge and two counter wedges, is then placed into this hole.

Hydraulic pressure is applied to push the central wedge between the counter wedges, forcing them apart. This generates immense splitting force, up to 1800 tons (17652 kN), which destroys the rock’s internal structure in seconds, creating a controlled split (Rilon Machinery, n.d.).

In mining and quarrying, rock splitters are favored for their safe, quiet, and highly productive operation. They eliminate the risks associated with explosives, such as flying debris and ground vibrations, making them ideal for sensitive or urban areas.

Unlike conventional methods that pulverize rock, splitting keeps the material intact, ensuring the production of larger, more valuable pieces.

Their use extends to tunneling, construction, and demolition, providing an efficient alternative for excavating hard rock without blasting (Darda, n.d.).

Why do you think rock splitters might be preferred over blasting in certain mining? Share your thoughts!

References:
CareerExplorer. (n.d.). What is a Quarry Rock Splitter? https://www.careerexplorer.com/careers/quarry-rock-splitter/,
Darda. (n.d.). Rock Splitters. https://www.darda.de/en/product-overview/rock-splitters
Rilon Machinery. (n.d.). Large Rock Splitter. https://rilonmachinery.com/products/large-rock-splitter/
Video rights: @nonblasting (TikTok)
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