Abstract
The technique of experimental and analytical assessment of electrical and hydrodynamic parameters of clay soils as a result of physical and computer modelled processes in electroosmotic treatment zone is presented. The algorithm is given for calculation of the coefficients of hydraulic permeability, electroosmotic permeability and electroosmotic activity comprising the determination of geometric boundaries of the zones subjected to electric treatment, the initial filtration rate, and the calculation of the electric field and pressure. Spatial and temporal projections of dependent parameters at different stages of electric treatment are obtained.
Highlights
Electroosmotic treatment is one of the most effective ways to change the properties of water-saturated low permeability clay soils
- the dimensions of the computer model and the processing mode complied with the physical model, an example of which is given in the work [9], and the dimensions of the three zones varied in accordance with the data obtained at the first stage
The differences in the ranges of values of electroosmotic permeability coefficient ke for the zones of humidification and dehumidification are negligible, but, in view of the results found by the analysis of the dynamic changes in the zones, these values are of the opposite nature: in the course of drying the ke value decreases with time, and during moisture accumulation - it increases
Summary
Electroosmotic treatment is one of the most effective ways to change the properties of water-saturated low permeability clay soils. We consider the indirect assessment of the above-mentioned electric and hydrodynamic parameters using the results of physical and computer modeling of the area of electroosmotic treatment of the clay soil.
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