Evaluation of determining the electrical resistance of soil over a wide range to measure the corrosivity of soils - Case study: Kermanshah urban train

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Document Type : Research Article

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Kermanshah University of Technology

Abstract

In this study, the results of field studies of underground geoelectric explorations on a large scale are presented. The studied area is the 14 km route of the first line of the Kermanshah urban train project. Studying the electrical resistance of soils in the depth of boreholes can provide useful information about the corrosiveness of soils to designers of reinforced concrete and steel structures. Wenner's four-electrode method is the basis of the field measurements of this study and the presentation of its findings. Electrical resistance tests have been conducted in 15 boreholes at 12 different stations of the project in at least three depths of 3, 5 and 7 meters. According to the comparison of the results of this test and the table of tolerances, the amount of soil corrosion in stations 4, 6 and 9 at the time of conducting the tests is moderate to severe and in the rest of the stations it is moderate. The field results of this study show that the presence of Qarasu and Abshuran rivers in the city of Kermanshah and the leakage and infiltration of sewage into these rivers, as well as the presence of extensive clay and limestone soil beds, are the main factors in identifying the potential of moderate to severe corrosion in most parts of the city, especially in the vicinity of these rivers.

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Amirkabir Journal of Civil Engineering

Articles in Press, Accepted Manuscript
Available Online from 02 October 2025

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