Electrical resistivity methodology

In summary, the person is asking for help with a project about the electrical resistivity, porosity, saturation index, and salinity of soil. They are looking for a methodology to conduct a lab test for these factors. However, the expert reminds them that they should not rely on others to do their work and suggests using online research tools to design the experiment. They also provide a link to a helpful resource on conducting experiments.
  • #1
star87jin
2
0

Homework Statement



anyone can give me the methodology to do the lab test about the electrical resistivity, porosity, saturation index and salinity of soil

Homework Equations





The Attempt at a Solution

 
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  • #2


star87jin said:

Homework Statement



anyone can give me the methodology to do the lab test about the electrical resistivity, porosity, saturation index and salinity of soil

Homework Equations





The Attempt at a Solution


What do you know so far? We do not do your school projects for you here at the PF.
 
  • #3


that is my project title...but i can't search any methodology related to the saturation index and salinity of saturating solution of soil...
pls help me...
 
  • #4


star87jin said:
that is my project title...but i can't search any methodology related to the saturation index and salinity of saturating solution of soil...
pls help me...

When you are told to design an experiment, and that you may use the Internet as a resource to help you, they do not mean for you to go to a web forum and have your assignment done for you. They mean for you to use Google, wikipedia, Wolfram Alpha, and other research tools, and for you to then design the experiment yourself.

We will not do your work for you here. If you are having a specific problem or question in your design of the experiment ("how do I avoid contaminating my sample as I do this set of steps...?"), then the PF is an appropriate place to ask that question (after you have posted all of your work so far).

I googled lab experiment methodology, and got bzillions of hits. Here's the first one -- it's pretty good, and should get you going quite well:

http://en.wikipedia.org/wiki/Experiment

.
 

1. What is electrical resistivity methodology?

Electrical resistivity methodology is a geophysical technique used to measure the resistance of a material to the flow of electrical current. It involves passing an electric current through the ground and measuring the voltage, which can then be used to calculate the resistivity of the subsurface materials.

2. How does electrical resistivity methodology work?

Electrical resistivity methodology works by sending an electric current through the ground using electrodes. The voltage is then measured at different points and used to calculate the resistivity of the subsurface materials. Materials with higher resistivity, such as rocks and clay, will produce a higher voltage, while materials with lower resistivity, such as water, will produce a lower voltage.

3. What are the applications of electrical resistivity methodology?

Electrical resistivity methodology has a wide range of applications, including groundwater exploration, mineral and resource exploration, environmental investigations, and engineering studies. It can also be used to detect buried objects, map geological structures, and locate subsurface anomalies.

4. What are the advantages of using electrical resistivity methodology?

One of the main advantages of electrical resistivity methodology is its non-invasive nature, meaning it does not require any drilling or digging. It is also a relatively inexpensive method compared to other geophysical techniques. Additionally, it can provide high-resolution images of the subsurface, allowing for more accurate interpretations.

5. Are there any limitations to electrical resistivity methodology?

Yes, there are some limitations to electrical resistivity methodology. It is most effective in homogeneous and relatively dry subsurface materials, making it less reliable in areas with high clay content or water saturation. It also has limited penetration depth, typically only reaching a few hundred meters, depending on the specific equipment and conditions.

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