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Dynamic Cone Penetration Testing. DCPT, on the other hand, uses mechanical impact to force the cone-tip into the soil, and requires only a simple and inexpensive hand-held device. It can be performed by two people, making it ideal for use in highway engineering and other types of construction or engineering that require frequent or rapid soil inspection in widely separated areas.

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The Dynamic Cone Penetration Test provides a measure of a material's in-situ resistance to penetration. The test is performed by driving a metal cone into the ground by repeated striking it with a lb (8 Kg)weight dropped from a distance of feet ( mm). The penetration of the cone is measured after each blow andis recorded to provide a continuous measure of shearing resistance up to 5 feet below the ground surface.

ASTM D "Standard Test Method for Performing Electronic Friction Cone and Piezocone Penetration Testing of Soils". International Reference Test Procedure for CPT and CPTU - International Society of Soil Mechanics and Geotechnical Engineering (ISSMGE) Mayne, Paul; Auxt, Jay A.; Mitchell, James K.; Yilmaz, Recep (October , ).

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