Abstract
This study proposes a new soil-water characteristic model to predict the variation of volumetric water content with the matric suction pressure for unsaturated soil conditions. The proposed model has been built utilizing the nondestructive electrical properties of the unsaturated soil. In addition, nine previous models have been collected and used in parallel with the new model to predict the soil-water characteristic relationships for four sets of different experimental data. The study has clearly revealed that the new proposed model agreed very well with the experimental data with R2 values of 0.90, 0.93, 0.95, and 0.92 for the four studied cases respectively. However, none of the collected nine models had the power of the new proposed model in terms of predicting the experimental data for all the studied cases. Furthermore, it was concluded that the new model parameters have been correlated strongly with the final volumetric water content.
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Aram Mohammed Raheem wrote, prepared and reviewed the manuscript.
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Raheem, A.M. Developing a New Soil-Water Characteristic Model Using Nondestructive Electrical Properties for Unsaturated Soil. Geotech Geol Eng 41, 1589–1601 (2023). https://doi.org/10.1007/s10706-022-02355-8
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DOI: https://doi.org/10.1007/s10706-022-02355-8