Direct Push: Technology used for performing subsurface investigations by driving, pushing, and/or vibrating small-diameter hollow steel rods into the ground/ Also known as direct drive, drive point, or push technology.
A direct push system used to measure lithology based on soil penetration resistance.
Cone Penterometer Testing (CPT): A direct push system used to measure lithology based on soil penetration resistance.
See also: Penetration, Soil, Mining, Gas, Landfill
 
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