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Normas BSI – AENOR
BS EN ISO 17892-4:2016

BS EN ISO 17892-4:2016

Geotechnical investigation and testing. Laboratory testing of soil. Determination of particle size distribution

Fecha:
2016-12-31 /Definitive
Comité:
B/526/3
Equivalencias internacionales:

EN ISO 17892-4:2016

ISO 17892-4:2016

Relación con otras normas BSI:

Reemplaza a: BS 1377-2:1990

Resumen:

This part of ISO 17892 specifies a method of determining the particle size distribution of soils.

This part of ISO 17892 is applicable to the laboratory determination of the particle size distribution of a soil test specimen by sieving, or sedimentation, or a combination of both within the scope of geotechnical investigations.

The particle size distribution is one of the most important physical characteristics of soil. Classification of soils is mainly based on the particle size distribution. Many geotechnical and geohydrological properties of soil are related to the particle size distribution.

The particle size distribution provides a description of soil based on a subdivision in discrete classes of particle sizes. The size of each class can be determined by sieving and/or sedimentation. Coarse soils are usually tested by sieving, but fine and mixed soils are usually tested by a combination of sieving and sedimentation, depending on the composition of the soil.

The sieving method described is applicable to all non-cemented soils with particle sizes less than 125 mm. Two sedimentation methods are described: the hydrometer method and the pipette method.

NOTE

This part of ISO 17892 fulfils the requirements of the particle size distribution testing in accordance with EN 1997-2 .

Keywords:
Hydrometers, Laboratory testing, Soils, Soil testing, Test methods, Pipettes, Sedimentation, Sieving, Particle size distribution
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