Borehole / Ground penetrating radar research opportunities

In summary, the conversation discusses the use of ground penetrating radar and borehole radar in geotechnical exploration. It is mentioned that these methods are used for various applications such as finding buried objects and conducting soil investigations. However, it is noted that in large scale projects, in-situ methods such as digging holes are preferred over geophysical methods. The conversation also references a paper that highlights the main problems with geophysical methods in geotechnical exploration.
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behold
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Hi Members

I am preparing to do a presentation on possible research opportunities in ground penetrating radar before an Industry and academic audience. Anyone with information as to what is lacking or needs improvement in current BH or GPR research in the context of Data analysis (processing and interpretation)?

Regrs

Behold
 
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you mean general Geotechnical exploration tools?
 
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Research opportunities in gpr/borehole radar

Yes, Geotechnical exploration is part of applications of ground penetrating radar and/or borehole radar- This is actaully a specialised geophysics technique used for the following:

Subsurface surveys eg finding buried landmines, minerals, cavities, underground water, soil property investigations, even geotechnical investigations such as bridge decks, tunnel investigations, concrete integrity assessment

GPR/Radar based on timing and imaging electromagnetic waves that reflect on interfaces or objects with a change of electrical properties compared to surrounding medium. There are several other techniques eg those that use artificial shock/sesmic waves
to explore the Earth subsurface

Thanks

Behold
 
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  • #4
I am not familiar with this geophysics procedure. In general, in large scale projects it is preferred digging holes, method with thin walled tubes, rotatory methods for rocks, and the like (in-situ methods) over geophysical methods (sismic, electric resistivity, magnetic and/or gravimetric).

I am not saying geophysical methods are not used. They are, mainly for preliminary research, but the information they provide is not seen as reliable as others and is never enough for a project (such as foundation design).
 
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1. What is borehole/ground penetrating radar research?

Borehole/ground penetrating radar research is a scientific method used to investigate the subsurface of the earth. It involves using radar waves to create images of the physical properties and structures of the earth's subsurface, such as soil, rocks, and groundwater. This method is commonly used in geology, archeology, and environmental studies.

2. How does borehole/ground penetrating radar work?

Borehole/ground penetrating radar works by sending high-frequency electromagnetic waves into the ground and recording the reflected signals. These signals are then analyzed to create images of the subsurface. The strength and travel time of the reflected signals can provide information about the physical properties of the subsurface, such as changes in density or moisture content.

3. What are the benefits of using borehole/ground penetrating radar in research?

There are several benefits to using borehole/ground penetrating radar in research. This method is non-invasive, meaning it does not require drilling or digging, making it a more environmentally friendly option. It also provides high-resolution images of the subsurface, allowing for detailed analysis. Additionally, it can cover large areas quickly, making it a cost-effective option for research.

4. What are some potential applications of borehole/ground penetrating radar research?

Borehole/ground penetrating radar research can be applied in various fields, such as geology, archeology, and environmental studies. In geology, it can be used to study the structure and composition of the earth's subsurface, including faults, rock layers, and groundwater. In archeology, it can help locate buried structures and artifacts. In environmental studies, it can be used to study soil moisture, contamination, and other subsurface properties.

5. Are there any limitations to borehole/ground penetrating radar research?

While borehole/ground penetrating radar is a valuable research tool, it does have some limitations. The depth of penetration is limited, typically ranging from a few meters to a few hundred meters depending on the type of radar used. It also cannot penetrate through highly conductive materials, such as clay or metal, and can be affected by surface obstacles, such as trees or buildings. Additionally, data interpretation can be challenging and requires expertise in radar technology and subsurface analysis.

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