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Geotechnical drilling uses a wide range of equipment types in a variety of conditions. Precise and well documented sampling is important.

Geotechnics is the engineering subject that deals with the properties of soil (sand, silt and clay) in terms of construction technology, and assessment of slope stability and the risk of

Introduction to Standard Penetration Test (SPT)  Penetration tests are the oldest and most common form of in situ tests and involve pushing or driving a rod, point, or sampler into