Changes in the pore space of soil constructions in physical laboratory models |
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Authors: | E. V. Shein E. A. Torbik K. N. Abrosimov |
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Affiliation: | 1.Faculty of Soil Science,Moscow State University,Moscow,Russia;2.Dokuchaev Soil Science Institute,Moscow,Russia |
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Abstract: | The dynamics of pore space structure in different filled soil constructions during water infiltration and wetting–drying processes is studied. Model laboratory experiments in columns physically simulate water infiltration after penetration at a rate of 600 mm with free outflow from the lower end of the column followed by multiple drying of soil constructions composed by alternating layers of sand, peat, and A and В horizons of soddy-podzolic soil. In two- and three-dimensional tomographic images, changes in the pore space and the interpenetration of solid phase at the boundaries between individual horizons of soil constructions are analyzed. |
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