Sol Solution has for many years specialised in road layer characterisation. The maintenance challenges of such roads involve the availability of reliable research centre data on the thickness and condition of the various layers present.
Sol Solution relies on the use of two geophysical and geotechnical methods.
The non-destructive geophysical tests make continuous auscultation of the various works being examined possible. For superficial structures, ground-penetrating radar (GPR) is still the method most used. This system registers up to 20 measures per metre at 80 km/hour on four concurrent antennae. It allows for quick and continuous data collection across the length of the track or works without hindering operations.
These geophysical data are collected and confirmed using geotechnical surveys in which the Pandoscope® in particular makes it possible to gather diagnostics on specific points, characteristics, mechanical resistance of layers, granulometry, humidity and resistance to penetration.
The final analysis brings together the continuous data from the ground-penetrating radar alongside ad hoc survey data. The use of integrated software means the infrastructure manager is able to simultaneously watch data on a video of the track, an IGN or geological card, while all other data is presented in map or table form.
Railway-News magazine Issue 3, September 2022: Sol Solution - High-Yield Geotechnical Characterisation of Existing Railway Tracks.
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