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ISO 11274:2019

Soil quality — Determination of the water-retention characteristic — Laboratory methods

Sep 21, 2019

General information

60.60     Sep 21, 2019

ISO

ISO/TC 190/SC 3

International Standard

13.080.40  

English   French  

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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

Revises
ISO 11274:1998

Revises
ISO 11274:1998/Cor 1:2009

NOW

PUBLISHED
ISO 11274:2019
60.60 Standard published
Sep 21, 2019

National adoptions

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

60.60 Standard published

Z183 more

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

60.60 Standard published

H190 more

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