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  • BSI
    BS EN ISO 11275:2014 Soil quality. Determination of unsaturated hydraulic conductivity and water-retention characteristic. Wind\'s evaporation method
    Edition: 2014
    $313.97
    / user per year

Description of BS EN ISO 11275:2014 2014

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.



Standard NumberBS EN ISO 11275:2014
TitleSoil quality. Determination of unsaturated hydraulic conductivity and water-retention characteristic. Wind's evaporation method
StatusUnder Review
Publication Date2014-05-31
Identical National Standard OfEN ISO 11275 (ISO 11275:2004) AS, ISO 11275:2004
CorrectsBS ISO 11275:2004
DescriptorsQuality, Soils, Mathematical calculations, Water-absorption tests, Water content determination, Soil testing, Evaporation
ICS13.080.40 Hydrological properties of soils
CommitteeEH/4
ISBN978 0 580 82151 6
PublisherBSI
Pages18

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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