Recent developments in the direct-current geoelectrical imaging method

MH Loke, JE Chambers, DF Rucker, O Kuras… - Journal of applied …, 2013‏ - Elsevier
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 …

Non-destructive assessment and health monitoring of railway infrastructures

SS Artagan, L Bianchini Ciampoli, F D'Amico… - Surveys in …, 2020‏ - Springer
A continuous increase in the worldwide demand for high-speed traffic, freight tonnage as
well as of the train operating frequency is worsening the decay conditions of many railway …

4D electrical resistivity tomography monitoring of soil moisture dynamics in an operational railway embankment

JE Chambers, DA Gunn, PB Wilkinson… - Near Surface …, 2014‏ - earthdoc.org
The internal moisture dynamics of an aged (> 100 years old) railway earthwork
embankment, which is still in use, are investigated using 2D and 3D resistivity monitoring. A …

4D electrical resistivity tomography for assessing the influence of vegetation and subsurface moisture on railway cutting condition

J Holmes, J Chambers, P Wilkinson, B Dashwood… - Engineering …, 2022‏ - Elsevier
Instability of slopes, embankments, and cuttings on the railway network is increasingly
prevalent globally. Monitoring vulnerable infrastructure aids in geotechnical asset …

Physics-driven deep learning inversion for direct current resistivity survey data

B Liu, Y Pang, P Jiang, Z Liu, B Liu… - … on Geoscience and …, 2023‏ - ieeexplore.ieee.org
The direct-current (dc) resistivity method is a commonly used geophysical technique for
surveying adverse geological conditions. The resistivity model can be reconstructed from …

2D-ERT monitoring of soil moisture seasonal behaviour in a river levee: A case study

C Jodry, SP Lopes, Y Fargier, M Sanchez… - Journal of Applied …, 2019‏ - Elsevier
We present a study of the seasonal behaviour of soil moisture in an old embankment levee
by means of 2D DC-electrical resistivity tomography monitoring based on an embedded …

Advances in the nondestructive condition assessment of railway ballast: A focus on GPR

SS Artagan, V Borecky - Ndt & E International, 2020‏ - Elsevier
This paper addresses the use of nondestructive Ground Penetrating Radar (GPR)
methodology in the investigation of railway ballast under a diverse set of fouling and …

Current and future role of instrumentation and monitoring in the performance of transport infrastructure slopes

JA Smethurst, A Smith, S Uhlemann… - Quarterly Journal of …, 2017‏ - lyellcollection.org
Instrumentation is often used to monitor the performance of engineered infrastructure slopes.
This paper looks at the current role of instrumentation and monitoring, including the reasons …

Time-lapse monitoring of climate effects on earthworks using surface waves

P Bergamo, B Dashwood, S Uhlemann… - …, 2016‏ - pubs.geoscienceworld.org
The UK's transportation network is supported by critical geotechnical assets (cuttings/
embankments/dams) that require sustainable, cost-effective management, while maintaining …

Deterioration model and condition monitoring of aged railway embankment using non-invasive geophysics

DA Gunn, JE Chambers, BE Dashwood… - … and Building Materials, 2018‏ - Elsevier
Effective management of railway infrastructure is becoming increasingly reliant upon remote
condition monitoring of geotechnical asset condition. Current monitoring approaches focus …