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This document specifies requirements for indirect investigations of soil by dynamic probing as part of geotechnical investigation and testing according to EN 1997-1 and EN 1997-2. This document covers the determination of the resistance of soils and soft rocks in situ to the dynamic penetration of a cone. A hammer of a given mass and given height of fall is used to drive the cone. The penetration resistance is defined as the number of blows required to drive the cone over a defined distance. A continuous record is provided with respect to depth but no samples are recovered. Four procedures are included, covering a wide range of specific work per blow: - dynamic probing light (DPL): test representing the lower end of the mass range of dynamic equipment; - dynamic probing medium (DPM): test representing the medium mass range of dynamic equipment; - dynamic probing heavy (DPH): test representing the medium to very heavy mass range of dynamic equipment; - dynamic probing super heavy (DPSH): test representing the upper end of the mass range of dynamic equipment. The test results of this document are specially suited for the qualitative determination of a soil profile together with direc

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Publisher

CEN

Published

2005

Language

EN

Category

nonfiction