Soil air permeability in-suit efficient measuring method

The present invention discloses a soil air permeability in-suit efficient measuring method, which is characterized in that: by introducing of a low permeability reference sample with a known air permeability rate, air flow can be greatly reduced under the same air supply pressure, field soil air per...

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Bibliographic Details
Main Authors ZHANG ZHENHUA, YANG RUNYA
Format Patent
LanguageEnglish
Published 24.02.2016
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:The present invention discloses a soil air permeability in-suit efficient measuring method, which is characterized in that: by introducing of a low permeability reference sample with a known air permeability rate, air flow can be greatly reduced under the same air supply pressure, field soil air permeability measurement efficiency can be effectively improved, according to the basic theory of soil air transition and the principle of volume conservation, a soil air permeability calculation model based on the air rate permeability rate of the low permeability reference sample can be obtained, and a solid theoretical foundation for application of the method can be established.
Bibliography:Application Number: CN20151798485