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What is a diamond core drill rig?

A diamond core drill rig is a large mechanical device used for drilling into solid earth, rock, or concrete. It uses a cylindrical shaft and rotating drill bit to create a 'core' that can be extracted and examined.

How deep do rotary core drilling rigs drill?

The drilling rigs generally drill 50mm to 200mm diameter boreholes through rock to depths of up to 100m, carrying out Cone Penetration Tests (CPTs) where necessary. Cable Percussive Boreholes are often drilled to the depth of rock, with Rotary Core Drilling following on for economical reasons, particularly when significant gravel layers are present

How does a core drilling rig work?

Depending on the size of the hole, most situations require the drilling rig to be attached to the ground or surface with an anchor, bolt, or vacuum seal to keep the rig stabilized. Because core drilling requires substantial speed and force to get through concrete, a lot of heat is generated during the drilling process.

What is core drilling?

Core drilling refers to the system of drilling and collecting a cylindrical core sample in its original state, in-situ. This process is typically carried out using a 'wireline coring' method, which involves the use of a diamond impregnated (hollow) core bit that cuts until the core barrel is full.