Seepage detection in earth-filled dam from self-potential and electrical resistivity tomography

Y Guo, Y Cui, J **e, Y Luo, P Zhang, H Liu, J Liu - Engineering Geology, 2022 - Elsevier
Earth-filled dams are prone to serious erosion and seepage by water flow. Anomalous
seepage is a threat to the stability of dam structures and is a common hydrogeological …

Induced polarization tomography applied to the detection and the monitoring of leaks in embankments

F Abdulsamad, A Revil, AS Ahmed, A Coperey… - Engineering …, 2019 - Elsevier
During an induced polarization survey, both electrical conductivity and chargeability can be
imaged. Recent petrophysical models have been developed to provide a consistent picture …

Self-potential signals associated with localized leaks in embankment dams and dikes

AS Ahmed, A Revil, B Steck, C Vergniault, A Jardani… - Engineering …, 2019 - Elsevier
The self-potential method can be used to detect and monitor anomalous seepages in dams
and embankments. In such a case, an electrical field of electrokinetic nature (ie, associated …

Shear behaviors and peak friction angle predictions of three critical geomembrane–soil interfaces

Y Feng, D Wang - Acta Geotechnica, 2024 - Springer
The interface shear behavior is quite beneficial for explaining the stress–strain response of
geosynthetics. A series of interface direct shear tests are carried out between three distinct …

Integrated application of geophysical methods in Earth dam monitoring

LM Franco, EF La Terra, LP Panetto… - Bulletin of Engineering …, 2024 - Springer
Given the mounting apprehension surrounding the recurrence of incidents involving
accidents and the failure of earthen dams in the past two decades, a significant number of …

Characterization of an earth dam in Brazil from seismic refraction tomography and multichannel analysis of surface waves

VJCB Guedes, WR Borges, LS da Cunha… - Journal of Applied …, 2023 - Elsevier
Effective methodologies to obtain information regarding the internal features in an earth dam
are fundamental for rapid and technically correct decision making. Although several …

Cascade surface and borehole geophysical investigation for water leakage: A case study of the Dehou reservoir, China

B Liu, C Wang, Z Liu, Z Xu, L Nie, Y Pang, N Wang… - Engineering …, 2021 - Elsevier
Water leakage is one of the most severe problems when the reservoir is constructed in the
karst stratum due to the existence of complex geo-structural karst zones. A cascade …

Induced polarization as a tool to non-intrusively characterize embankment hydraulic properties

AS Ahmed, A Revil, F Abdulsamad, B Steck… - Engineering …, 2020 - Elsevier
Characterizing key petrophysical parameters of dams and embankments (including water
content, specific surface area or cation exchange exchange capacity, and permeability) is an …

Occurrence of sand boils landside of a river dike during flooding: A geophysical perspective

A Ghorbani, A Revil, S Bonelli, S Barde-Cabusson… - Engineering …, 2024 - Elsevier
The study of internal erosion of earth dams, dikes, and levees is an essential ingredient to
address their safety. Indeed, internal erosion is known to be a major cause of failure for …