Dynamic Cone Penetrometer

Dynamic Cone Penetrometer

Dynamic Cone Penetration Test (DCPT) for. Subgrade Assessment. Introduction. In-situ penetration tests have been widely used in geotechnical and foundation. The Dynamic Cone Penetrometer uses a 15 lb (6.8 kg) steel mass falling 20 in (50.8 cm) that strikes the anvil to cause penetration of a 1.5 in (3.8 cm) diameter cone (45° vertex angle) that has been seated in the bottom of a hand augered hole. The blows required to drive the embedded cone a depth of 1-3/4 inches have been correlated N values derived from the Standard Penetration Test (SPT). Heat treated cone, zinc plated components. The cone can be replaced with a plated Drive Tube Assembly for collection of 3 x 10 in (7.6 x 25.4 cm) tube samples in hand augered holes.

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