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SRPS EN ISO 11274:2020

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

Apr 30, 2020

General information

60.60     Apr 30, 2020

ISS

Z183

European Norm

13.080.40  

English  

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Scope

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.

Life cycle

PREVIOUSLY

Replaces
SRPS ISO 11274:2004

NOW

PUBLISHED
SRPS EN ISO 11274:2020
60.60 Standard published
Apr 30, 2020

Related project

Adopted from EN ISO 11274:2019

Adopted from ISO 11274:2019