Electrical Resistivity test for soil | Wenner's Method | Geophysical in-situ experiment скачать в хорошем качестве

Electrical Resistivity test for soil | Wenner's Method | Geophysical in-situ experiment

The electrical resistivity method is based on the difference in the electrical conductivity or the electrical resistivity of different soils. Resistivity is defined as resistance in ohms between the opposite phases of a unit cube of material. All electrical methods are based on the fundamental fact that different materials of the earth’s crust methods possess widely different electrical properties. Resistivity, Electrochemical activity, and dielectric constant are some of these properties that are generally studied through these methods. Results obtained from such studies when interpreted properly give sufficiently useful clues regarding the nature and make-up of the subsurface materials. This video demonstrates a simple way to measure soil resistivity by Wenner's method. This test involves placing four equally spaced and in-line electrodes into the ground. The two outer electrodes inject current into the soil, and the two inner electrodes measure voltage, which is then used to calculate soil resistance. To conduct this test IS 15736 is used. For more information and interpreting test results refer to: IS-15736: 2007 Geological exploration by geophysical method (electrical resistivity) - Code of practice For more Geotechnical engineering stuff    / @shantanusaraswat9168