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BSI
BS EN ISO 11275:2014

BS EN ISO 11275:2014

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Current

The latest, up-to-date edition.

Soil quality. Determination of unsaturated hydraulic conductivity and water-retention characteristic. Wind\'s evaporation method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-05-2014

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Principle
6 Apparatus
7 Procedure
8 Expression of results
9 Accuracy
10 Test report
Bibliography

Provides a laboratory method for the simultaneous determination in soils of the unsaturated hydraulic conductivity and of the soil water-retention characteristic.

This International Standard specifies a laboratory method for the simultaneous determination in soils of the unsaturated hydraulic conductivity and of the soil water-retention characteristic. It is applicable only to measurement of the drying or desorption curve. Application of the method is restricted to soil samples which are, as far as possible, homogeneous. The method is not applicable to soils which shrink in the range of matric head hm = 0 cm to hm = −800 cm.

The range of the determination of the conductivity depends on the soil type. It lies between matric heads of approximately hm = −50 cm and hm = −700 cm.

The range of the determination of the water-retention characteristic lies between matric heads of approximately hm = 0 cm and hm = −800 cm.

NOTE 1 An infiltrometer method can be used to determine hydraulic conductivities near saturation.

NOTE 2 ISO 11274 gives methods to determine the water-retention characteristic for matric heads between 0 cm and −15 000 cm.

Committee
EH/4
DevelopmentNote
Renumbers and supersedes BS ISO 11275. 2014 Version incorporates corrigendum to BS ISO 11275. Supersedes 95/521677 DC. (05/2014)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 11275:2004 Identical
EN ISO 11275:2014 Identical

ISO 10381-1:2002 Soil quality Sampling Part 1: Guidance on the design of sampling programmes
ISO 11276:1995 Soil quality — Determination of pore water pressure — Tensiometer method
ISO 11461:2001 Soil quality — Determination of soil water content as a volume fraction using coring sleeves — Gravimetric method
ISO 11274:1998 Soil quality Determination of the water-retention characteristic Laboratory methods
ISO 10381-4:2003 Soil quality Sampling Part 4: Guidance on the procedure for investigation of natural, near-natural and cultivated sites

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Hardcopy - English
PDF - English
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