UNE-EN ISO 11274:2019
Current
The latest, up-to-date edition.
Soil quality - Determination of the water-retention characteristic - Laboratory methods (ISO 11274:2019) (Endorsed by Asociación Española de Normalización in November of 2019.)
Hardcopy , PDF
English
01-11-2019
This document specifies laboratory methods for determination of the soil water-retention characteristic.
This International Standard 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.
| Committee |
CTN 77/SC 3
|
| DocumentType |
Standard
|
| Pages |
33
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Current
|
| Standards | Relationship |
| EN ISO 11274:2019 | Identical |
| ISO 11274:2019 | Identical |
| I.S. EN ISO 11274:2019 | Equivalent |
| BS EN ISO 11274:2019 | Equivalent |
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