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Norm

ÖNORM EN ISO 11274

Issue date: 2020 04 01

Soil quality - Determination of the water-retention characteristic - Laboratory methods (ISO 11274:2019)

This document specifies laboratory methods for determination of the soil water-retention characteristic. This document applies only to measurements of the drying or deso...
Valid
This document specifies laboratory methods for determination of the soil water-retention characteristic. This document applies only to measurements of the drying or desorption curve. Four methods are described to cover the complete range of soil water pressures as follows: a) method using sand, kaolin or ceramic suction tables for determination of matric pressures from 0 kPa to -50 kPa; b) method using a porous plate and burette apparatus for determination of matric pressures from 0 kPa to -20 kPa; c) method using a pressurized gas and a pressure plate extractor for determination of matric pressures from -5 kPa to -1 500 kPa; d) method using a pressurized gas and pressure membrane cells for determination of matric pressures from -33 kPa to -1 500 kPa. Guidelines are given to select the most suitable method in a particular case.
ÖNORM EN ISO 11274
2020 04 01
Soil quality - Determination of the water-retention characteristic - Laboratory methods (ISO 11274:2...
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ÖNORM EN ISO 11274
2014 05 15
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2006 04 01
Physical analysis of soils - Determination of the water-retention characteristics by ceramic pressur...
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ÖNORM L 1063
1988 12 01
Physical investigations of soils; determination of the relation pressure potential versus water cont...
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Norm
ISO 11274:2019
Issue date : 2019 09 21
Soil quality — Determination of the water-retention characteristic — Laboratory methods