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Home » Soil Resistivity Methods

Soil Resistivity Methods

08/02/2023 By Ian

Soil Resistivity Testing Method – The Wenner 4 Probe Test

Soil Resistivity Testing Methods Wenner 4 Probe Test

Soil Resistivity Testing Methods a popular post. Originally published in 2013 and now updated.

A Wenner probe test is a geotechnical investigation method used to determine the electrical resistivity of the soil.

Soil resistivity testing can be carried out using different methods. The Wenner 4 Probe test is one of the most common soil resistivity testing methods. Also, its one of the three most popular soil resistivity methods employed, to perform a soil resistivity test. Therefore, this piece describes how to carry out the Wenner 4 Probe Test Method.

[Read more…] about Soil Resistivity Testing Method – The Wenner 4 Probe Test

Filed Under: Soil Resistivity Tagged With: BS7430, current injection, potential measurement, Soil Resistivity Methods, Soil Resistivity Testing, Soil Resistivity Testing Methods, wenner 4 probe test, Wenner array

08/02/2023 By Ian

Soil Resistivity Testing Method -The Schlumberger Array

Schlumberger Array

The Schlumberger array is a geotechnical investigation method which determines the electrical resistivity of the soil. This is similar to the Wenner probe test, but it uses multiple current electrodes rather than just two. This allows for a more detailed and accurate measurement of soil resistivity.

Soil resistivity testing carried out using different methods, this is another of the three popular approaches to perform soil resistivity testing: 

[Read more…] about Soil Resistivity Testing Method -The Schlumberger Array

Filed Under: Soil Resistivity Testing Tagged With: BS7430, contact resistance, Inverse Schlumberger Array (ISA), maximum loop impedance, reciprocity theorem, Schlumberger Array, Soil Resistivity Methods, Soil Resistivity Testing, Soil Resistivity Testing 10 Common Mistakes, Soil Resistivity Testing Methods

08/02/2023 By Ian

Soil Resistivity Testing Method – Driven Rod

Driven Rod Method

The driven rod test is a geotechnical investigation method which determines the resistance of soil to the penetration of a rod or other penetrometer. 

The Soil resistivity is determined using different Soil Resistivity Testing methods. However the Driven Rod, described below is the last of the three most popular Soil Resistivity Testing methods we use to measure the soil resistivity.

[Read more…] about Soil Resistivity Testing Method – Driven Rod

Filed Under: Soil Resistivity, Soil Resistivity Testing Tagged With: BS7430, Driven Rod Method, Soil Resistivity, Soil Resistivity Methods, Soil Resistivity Testing, Soil Resistivity Testing 10 Common Mistakes, Soil Resistivity Testing Methods, three pin method, three probe method

14/09/2016 By Ian Leave a Comment

Soil Resistivity Survey Methods – A few Short Videos

Soil Resistivity Testing

We receive a lot of questions asking how to do a Wenner test or what are the steps in a soil resistivity testing. The key thing to take away is that once you have the appropriate equipment. The act of ‘doing’ a Wenner Soil Resistivity Test is not that complicated. However, you must take a consistent, systematic approach to the task, otherwise, the chances of error creeping-in are high and will appear discretely, sometimes without you noticing (unless you have the means to process the data on-site during the task).

It’s imperative to understand, errors in the data at this early stage of the process for electrical earthing design can be disastrous. Disastrous for safety from the system, and disastrous from a functional perspective for the earthing system (grounding).

Here is a collection of Soil Resistivity Survey Video(s). Some are from us, the team at Greymatters. And, others sourced from Youtube.  Can you spot the real guys?
Here’s Ian of Greymatters (not feeling 100%) carrying out a field soil resistance survey.

[Read more…] about Soil Resistivity Survey Methods – A few Short Videos

Filed Under: Soil Resistivity Tagged With: Soil Resistivity Methods, Soil Resistivity Testing, Soil Resistivity Testing Methods

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