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<p>This paper examines the importance of empirical formulas for estimating the hydraulic conductivity of non--cohesive soils, taking into account their compaction. Empirical formulas are often used in practice to quickly and cost-effectively determine hydraulic conductivity of soil. Verification of calculation of this parameter was performed for five formulas taking into account the characteristic diameters of grains and porosity. The results obtained by calculations were compared with the results of laboratory tests performed on soil samples with the same porosity coefficients (at different density index) as assumed in the calculation method. An empirical formula has been proposed to correct the hydraulic conductivity of soils obtained from the Hazen formula by taking into account the density index of a given soil.</p>
</abstract>

This paper examines the importance of empirical formulas for estimating the hydraulic conductivity of non--cohesive soils, taking into account their compaction. Empirical formulas are often used in practice to quickly and cost-effectively determine hydraulic conductivity of soil. Verification of calculation of this parameter was performed for five formulas taking into account the characteristic diameters of grains and porosity. The results obtained by calculations were compared with the results of laboratory tests performed on soil samples with the same porosity coefficients (at different density index) as assumed in the calculation method. An empirical formula has been proposed to correct the hydraulic conductivity of soils obtained from the Hazen formula by taking into account the density index of a given soil.

Verification of Determination of Hydraulic Conductivity for Coarse Soils by Empirical Formulas Based on the Density Index

Building Structures, Geotechnics and Concrete Department

Acta Scientiarum Polonorum Architectura

This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License.

This paper examines the importance of empirical formulas for estimating the hydraulic conductivity of non--cohesive soils, taking into account their...

Verification of Determination of Hydraulic Conductivity for Coarse Soils by Empirical Formulas Based on the Density Index

Published Online: Aug 19, 2021

Page range: 83 - 92

Received: May 19, 2021

Accepted: Jun 08, 2021

DOI: https://doi.org/10.22630/aspa.2021.20.2.17

Keywords
filtration, hydraulic conductivity, empirical formulas, density index

© 2021 Krystyna Jaśkiewicz et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License.

Verification of Determination of Hydraulic Conductivity for Coarse Soils by Empirical Formulas Based on the Density Index

Published Online: Aug 19, 2021

Page range: 83 - 92

Received: May 19, 2021

Accepted: Jun 08, 2021

DOI: https://doi.org/10.22630/aspa.2021.20.2.17

Keywordsfiltration, hydraulic conductivity, empirical formulas, density index

© 2021 Krystyna Jaśkiewicz et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License.

Keywords
filtration, hydraulic conductivity, empirical formulas, density index