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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.080 Soil quality. Pedology>13.080.40 Hydrological properties of soils>BS EN ISO 11274:2019 Soil quality. Determination of the water-retention characteristic. Laboratory methods
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immediate downloadReleased: 2019-10-29
BS EN ISO 11274:2019 Soil quality. Determination of the water-retention characteristic. Laboratory methods

BS EN ISO 11274:2019

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

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Standard number:BS EN ISO 11274:2019
Pages:36
Released:2019-10-29
ISBN:978 0 580 89359 9
Status:Standard
DESCRIPTION

BS EN ISO 11274:2019


This standard BS EN ISO 11274:2019 Soil quality. Determination of the water-retention characteristic. Laboratory methods is classified in these ICS categories:
  • 13.080.40 Hydrological properties of soils

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:

  1. method using sand, kaolin or ceramic suction tables for determination of matric pressures from 0 kPa to â??50 kPa;

  2. method using a porous plate and burette apparatus for determination of matric pressures from 0 kPa to â??20 kPa;

  3. method using a pressurized gas and a pressure plate extractor for determination of matric pressures from â??5 kPa to â??1 500 kPa;

  4. method using a pressurized gas and pressure membrane cells for determination of matric pressures from â??33 kPa to â??1 500 kPa.

Guidelines are given to select the most suitable method in a particular case.