Revista de Investigaciones Altoandinas - Journal of High Andean Research

Vol. 20 No. 4 (2018)
Original articles

Numerical analysis of water infiltration in an unsaturated residual soil by using the water retention curve

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  • Erasmo G. Carnero Carnero,
  • Gonzalo G. Carnero Guzmán
Erasmo G. Carnero Carnero
National University of the Altiplano Puno Peru
Gonzalo G. Carnero Guzmán
National University of the Altiplano Puno Peru

Published 2018-12-29

Keywords

  • Unsaturated soil,
  • soil water retention curve,
  • suction,
  • water infiltration in soils,
  • finite elements

How to Cite

Carnero Carnero, E. G. ., & Carnero Guzmán, G. G. . (2018). Numerical analysis of water infiltration in an unsaturated residual soil by using the water retention curve. Revista De Investigaciones Altoandinas - Journal of High Andean Research, 20(4), 439-450. https://doi.org/10.18271/ria.2018.421

Abstract

The water infiltration analysis in soils is indispensable in order to understand how the moisture variations in the soil occurs in real situations as well as its influence in the engineering properties. However, such analysis requires the unsaturated soil parameters for the computations. These parameters, such as the unsaturated hydraulic conductivity can be estimated by using the soil water retention curve (SWRC). The SWRC governs the hydration and dehydration process in soils. The current research, studies the water infiltrations in a residual soil from Brazil under two unsaturated initial conditions. The analysis was performed by using a finite elements software employing the SWRC of the soil obtained experimentally. The results show that the saturation time is in function of the initial saturation of the soil and the quality of experimental data in the SWRC.

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