2-D Electrical Resistivity Tomography (ERT) Assessment of Ground Failure in Urban Area

This study was carried out to assess the foundation defects around an urban area in Selangor, Malaysia using 2-D electrical resistivity tomography (ERT). The affected structure is a three storey houses and having severe foundation-based cracks. Six 2-D ERT survey lines with 5 m minimum electrode spa...

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Bibliographic Details
Published in:Journal of physics. Conference series 2018-04, Vol.995 (1), p.12076
Main Authors: Nordiana, M M, Bery, A A, Taqiuddin, Z M, Jinmin, M, Abir, I A
Format: Article
Language:English
Subjects:
Alluvial deposits
Alluvium
Bedrock
Boreholes
Boulders
Clay
Dipoles
Electrical resistivity
Ground motion
Physics
Sand
Silt
Tomography
Two dimensional models
Urban areas
Water levels
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Summary:This study was carried out to assess the foundation defects around an urban area in Selangor, Malaysia using 2-D electrical resistivity tomography (ERT). The affected structure is a three storey houses and having severe foundation-based cracks. Six 2-D ERT survey lines with 5 m minimum electrode spacing using Pole-dipole array were executed parallel to building's wall. Four boreholes were conducted to identify the depth to competent layer to verify the 2-D ERT results. Inversion model of 2-D resistivity show that the study area consists of two main zones. The first zone is a low resistivity value (
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/995/1/012076