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Published in:
2018 | OriginalPaper | Chapter
Experimental Determination of Permeability Coefficient
Authors : Gulnara Gabitova, Daria Zaborova, Sergey Barinov
Published in: International Scientific Conference Energy Management of Municipal Transportation Facilities and Transport EMMFT 2017
Publisher: Springer International Publishing
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Abstract
The article exposes a new concept of structural (partition, construction pit, the road network, etc.) permeability coefficient which is different from the concept of the material permeability coefficient. Substantiation of the differences of those concepts is given. Permeability coefficient is essential for solving the most of foundation engineering problems and transport infrastructure. The permeability coefficient of a structure (partition) is determined according to the value of seepage through the partition in case of a variable water-level in the backwater. The study proves that permeability coefficient value for the partition depends on the water pressure, which allows to reconsider the Boussinesq’s hydraulic filtration theory. Soil permeability characteristic depends not only on head pressure in the backwater and initial ground water level, but first of all depends on mechanical and physical properties of soil.