Performance of Multi-Layer Soil Electric Resistivity Model Comparing with Two-Layer Characterizations in Geotechnical Investigations

Abstract:

This paper shows the performance of multi-layer soil electric resistivity model comparing with two-layer characterizations in geotechnical investigations. In conventional model, there are inter-relationships between soil apparent electrical resistivity (ρ) and several soil physical or chemical properties. These empirical relationships show limitations to obtain specific soil characterizations of different layers with. Multi-layer true resistivity model is the improvement of conventional two-layer earth model including the criteria of four points probe method. Multi-layer soil resistivity profile shows more accuracy to obtain near surface soil characteristics including the types of soil and rocks, and to detect anomalous materials in soil profile. Alternatively, apparent resistivity in two-layer model can be used to obtain deeper profile of soil characteristics. In this multi-layer soil model, the soil resistivity and resistivity ratio corresponding to the depth in soil medium are considered for geotechnical investigations. Two-layer model includes soil apparent resistivity according to probe distances in depth corresponding resistivity profile. This paper is important for including criteria and performance of multi-layer soil resistivity model and conventional two-layer model for geotechnical characterizations.

• Periodical: Advanced Materials Research (Volumes 655-657)
• Pages: 1857-1863
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.655-657.1857
• Online since: January 2013
• Authors: Zamri Chik, Dr. S. M. Taohidul Islam
• Keywords: Multilayer Model, Soil Characteristics, Soil Resistivity, Two Layer Model

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