TY - GEN
T1 - Underlying parameters affecting estimation of unsaturated permeability of soils
AU - Rahimi, A.
AU - Rahardjo, H.
AU - Leong, E. C.
PY - 2014
Y1 - 2014
N2 - To date numerous indirect models have been proposed to estimate unsaturated permeability function of a soil from its Soil-Water Characteristic Curve (SWCC). These models were usually developed by combining a soil-water characteristic curve best-fit equation and a relative permeability (integration method) equation. However, not all the models lead to the same results and they vary significantly from one to another. Therefore, there is a need to investigate the underlying parameters which cause the variation between different models. A comparative study was performed on some existing and new combined estimation models. It was found from the study, that the SWCC best-fit equation and the measurement range of SWCC data greatly affect the estimation of unsaturated permeability of soils as compared to relative permeability equations.
AB - To date numerous indirect models have been proposed to estimate unsaturated permeability function of a soil from its Soil-Water Characteristic Curve (SWCC). These models were usually developed by combining a soil-water characteristic curve best-fit equation and a relative permeability (integration method) equation. However, not all the models lead to the same results and they vary significantly from one to another. Therefore, there is a need to investigate the underlying parameters which cause the variation between different models. A comparative study was performed on some existing and new combined estimation models. It was found from the study, that the SWCC best-fit equation and the measurement range of SWCC data greatly affect the estimation of unsaturated permeability of soils as compared to relative permeability equations.
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M3 - Conference contribution
AN - SCOPUS:84901624819
SN - 9781138026902
T3 - Unsaturated Soils: Research and Applications - Proceedings of the 6th International Conference on Unsaturated Soils, UNSAT 2014
SP - 1073
EP - 1077
BT - Unsaturated Soils
PB - Taylor and Francis - Balkema
T2 - 6th International Conference on Unsaturated Soils, UNSAT 2014
Y2 - 2 July 2014 through 4 July 2014
ER -