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ISO 11274:2019

ISO 11274:2019

$36.40

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

Published By Publication Date Number of Pages
ISO 2019-09 30
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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.

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ISO 11274:2019
$36.40