Abstract
PreviewThis 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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Status: PublishedPublication date: 2019-09
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Edition: 2Number of pages: 23
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- ICS :
- 13.080.40 Hydrological properties of soils
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std 1 124 | PDF + ePub | |
std 2 124 | Paper |
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Previously
WithdrawnISO 11274:1998
WithdrawnISO 11274:1998/Cor 1:2009
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