3 dimension real time images of rainfall infiltration into unsaturated soil slope

Research output: Contribution to journalArticle

Abstract

Failure of soil slope is mainly due to infiltration of rainfall. The complexity of rainwater path infiltrate soil slope can be predicted using commercial software, and volumetric moisture content at the infiltrated slope area can be measured by Time-Domain-Reflectometry (TDR). Prediction of rainwater path is based on parameters obtained by laboratory works, and volumetric water content using TDR can only available at the point of insertion. In this research, an innovative method called Electrical Capacitance Volume Tomography (ECVT) was used in geotechnical engineering application in determining the real-time imaging of rainwater infiltration into unsaturated soil slope. This method also achieves permittivity value through the experiments and converted to volumetric water content using equation. A soil sample obtained from slope failure around National Defense University of Malaysia (NDUM) campus during monsoon season was used in the research. The results revealed real-time 3 dimensions (3-D) images of rainwater infiltrated into soil slope were produced through image reconstruction method of ECVT. Volumetric water content was also achieved using permittivity value attained by ECVT result. Images which permittivity indicated the infiltration of rainwater through soil slope were clearly shown in the results. This innovative technology is expected to improve the understanding of soil slope behavior especially in for rainfall infiltration that relates to soil stability.

LanguageEnglish
Pages31-35
Number of pages5
JournalInternational Journal of GEOMATE
Volume14
Issue number43
DOIs
Publication statusPublished - 1 Jan 2018

Fingerprint

Infiltration
Rain
infiltration (hydrology)
infiltration
rainwater
rain
Soils
rainfall
capacitance
permittivity
tomography
soil
water content
Water content
time domain reflectometry
Tomography
Permittivity
Capacitance
electrical method
monsoon season

Keywords

  • ECVT
  • Infiltration
  • Rainfall
  • Soil slope

ASJC Scopus subject areas

  • Environmental Engineering
  • Building and Construction
  • Geotechnical Engineering and Engineering Geology
  • Soil Science

Cite this

3 dimension real time images of rainfall infiltration into unsaturated soil slope. / Ibrahim, Aniza; Kabir Ahmad, Irfana; Taha, Mohd. Raihan.

In: International Journal of GEOMATE, Vol. 14, No. 43, 01.01.2018, p. 31-35.

Research output: Contribution to journalArticle

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