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Geological and geotechnical challenges on the Great Dyke of Zimbabwe and their impact on hardrock pillar design

open access: yesDeep Underground Science and Engineering, Volume 5, Issue 2, Page 506-538, June 2026.
The Great Dyke of Zimbabwe is notable for its rich platinum group metal deposits but poses significant geological and geotechnical challenges due to its complex rock types and structural features. Traditional pillar design methods are insufficient for addressing these complexities; the study suggests incorporating advanced techniques such as machine ...
Tawanda Zvarivadza   +3 more
wiley   +1 more source

ULTRA: Wideband Ground Penetrating Radar

open access: yes2006 European Radar Conference, 2006
The frequency range employed in ground penetrating radar (GPR) systems is generally limited to 2 GHz because media loss increases dramatically at higher frequencies. Nevertheless, a series of applications exists in the Cultural Heritage field where the development of high frequency systems would significantly benefit, in terms of resolution, from an ...
PARRINI, FILIPPO   +7 more
openaire   +2 more sources
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Ground Penetrating Radar

2007
Ground penetrating radar2 (GPR) is an electromagnetic pulse reflection method based on physical principles similar to those of reflection seismics. It is a geophysical technique for shallow investigations with high resolution which has undergone a rapid development during the last two decades (cf. e.g. GPR Conference Proceedings 1994 to 2006).
Norbert Blindow   +4 more
openaire   +2 more sources

Ground penetrating radar tomography

1995 International Conference on Acoustics, Speech, and Signal Processing, 2002
Presents a survey of theory and practice in tomographic imaging of subsurface features utilizing ground penetrating radar (GPR). The discussion includes: (i) A brief review of the equations governing radar scattering culminating in the Lippmann Schwinger (LS) equation.
openaire   +1 more source

Fundamentals of Ground Penetrating Radar

Symposium on the Application of Geophysics to Engineering and Environmental Problems 1989, 1989
Ground penetrating radar (GPR) is a relatively new technique for investigating shallow geologic, engineering and hydrologic features. The principles and theory are based on the wave equation derived from Maxwell’s Equations for electromagnetic wave propagation, and the antenna designs have evolved from field testing.
openaire   +1 more source

Ground Penetrating Radar

2002
The following report demonstrates the accuracy of using Ground Penetrating Radar (GPR) to determine both the surface layer thickness for asphalt, and concrete pavements. In addition tests were conducted to identify GPR’s repeatability on dry pavements, GPR’s ability to determine pavement layer thicknesses in wet conditions, and an attempt was made to ...
Willett, David A., Rister, Brad
openaire   +1 more source

Ground Penetrating Radars

2021
The chapter is dedicated to consideration of such specific independent trend of the radiolocation devices as ground penetrating radars.
openaire   +1 more source

Ground Penetrating Radar System: Principles

2022
Ground penetrating radar is a geophysical survey method widely applied to the assessment and monitoring of cultural heritage buildings. It is commonly used as a method of structural evaluation because it is nondestructive and noninvasive. This chapter describes the historical development of the method and explores the fundamentals and theory of ground ...
Rasol, Mezgeen   +5 more
openaire   +2 more sources

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