UNLIMITED FREE ACCESS TO THE WORLD'S BEST IDEAS

close
Already an Engineering360 user? Log in.

This is embarrasing...

An error occurred while processing the form. Please try again in a few minutes.

Customize Your Engineering360 Experience

close
Privacy Policy

This is embarrasing...

An error occurred while processing the form. Please try again in a few minutes.

CEN - EN ISO 22476-2

Geotechnical investigation and testing - Field testing - Part 2: Dynamic probing

active, Most Current
Organization: CEN
Publication Date: 1 January 2005
Status: active
Page Count: 40
ICS Code (Earthworks. Excavations. Foundation construction. Underground works): 93.020
scope:

This part of ISO 22476 deals with the equipment requirements for, execution of and reporting on dynamic probing.

NOTE This part of ISO 22476 fulfils the requirements for dynamic probing as part of geotechnical 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 direct investigations (e.g. sampling according to ISO 22475-1) or as a relative comparison of other in situ tests. They may also be used for the determination of the strength and deformation properties of soils, generally of the cohesionless type but also possibly in fine-grained soils, through appropriate correlations. The results can also be used to determine the depth to very dense ground layers e.g. to determine the length of end bearing piles, and to detect very loose, voided, back-filled or infilled ground.

Document History

EN ISO 22476-2
January 1, 2005
Geotechnical investigation and testing - Field testing - Part 2: Dynamic probing
This part of ISO 22476 deals with the equipment requirements for, execution of and reporting on dynamic probing. NOTE This part of ISO 22476 fulfils the requirements for dynamic probing as part of...
January 1, 2005
Geotechnical investigation and testing - Field testing - Part 2: Dynamic probing
A description is not available for this item.

References

Advertisement