An overview of ahead geological prospecting in tunneling
S Li, B Liu, X Xu, L Nie, Z Liu, J Song, H Sun… - … and Underground Space …, 2017 - Elsevier
Prediction of abnormal geological structures ahead tunnel drilling (ahead geological
prospecting) has become an essential routine work in the tunnel excavation, offering …
prospecting) has become an essential routine work in the tunnel excavation, offering …
Recent developments in the direct-current geoelectrical imaging method
There have been major improvements in instrumentation, field survey design and data
inversion techniques for the geoelectrical method over the past 25 years. Multi-electrode …
inversion techniques for the geoelectrical method over the past 25 years. Multi-electrode …
[LIVRE][B] Resistivity and induced polarization: Theory and applications to the near-surface earth
Resistivity and induced polarization methods are used for a wide range of near-surface
applications, including hydrogeology, civil engineering and archaeology, as well as …
applications, including hydrogeology, civil engineering and archaeology, as well as …
[PDF][PDF] Tutorial: 2-D and 3-D electrical imaging surveys
MH Loke - 2004 - researchgate.net
We have seen that the greatest limitation of the resistivity sounding method is that it does not
take into account horizontal changes in the subsurface resistivity. A more accurate model of …
take into account horizontal changes in the subsurface resistivity. A more accurate model of …
A numerical comparison of 2D resistivity imaging with 10 electrode arrays
Numerical simulations are used to compare the resolution and efficiency of 2D resistivity
imaging surveys for 10 electrode arrays. The arrays analysed include pole‐pole (PP), pole …
imaging surveys for 10 electrode arrays. The arrays analysed include pole‐pole (PP), pole …
Deep learning inversion of electrical resistivity data
The inverse problem of electrical resistivity surveys (ERSs) is difficult because of its
nonlinear and ill-posed nature. For this task, traditional linear inversion methods still face …
nonlinear and ill-posed nature. For this task, traditional linear inversion methods still face …
[LIVRE][B] Sinkholes and subsidence: karst and cavernous rocks in engineering and construction
T Waltham, FG Bell, MG Culshaw - 2005 - books.google.com
Sinkholes and Subsidence will provide a twenty-first century account of how the various
subsidence features in carbonate and evaporite rocks cause problems in development and …
subsidence features in carbonate and evaporite rocks cause problems in development and …
DC resistivity and induced polarization methods
Direct current (DC) resistivity (here referred to as resistivity) and induced polarization (IP)
methods allow, respectively, the determination of the spatial distribution of the low-frequency …
methods allow, respectively, the determination of the spatial distribution of the low-frequency …
Some low-frequency electrical methods for subsurface characterization and monitoring in hydrogeology
Low-frequency geoelectrical methods include mainly self-potential, resistivity, and induced
polarization techniques, which have potential in many environmental and hydrogeological …
polarization techniques, which have potential in many environmental and hydrogeological …
Imaging and characterisation of subsurface solute transport using electrical resistivity tomography (ERT) and equivalent transport models
We assess the usefulness of electrical resistivity tomography (ERT) in imaging and
characterising subsurface solute transport in heterogeneous unconfined aquifers. A field …
characterising subsurface solute transport in heterogeneous unconfined aquifers. A field …