Seeing beneath the surface
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Using geophysics to map and assess highway structures
This talk explores how geophysical methods, particularly ground-penetrating radar (GPR), can be used to rapidly and non-invasively investigate the internal structure of pavements, highways and runways. By imaging the different layers of asphalt and underlying materials in detail, these techniques allow us to detect variations in thickness, identify defects and locate buried utilities or drainage features.
The presentation will also highlight the use of 3D modelling to visualise how subsurface layers change across an area, supporting better understanding of construction quality and performance. Applications range from assessing bridge decks to mapping culverts and other critical road infrastructure, providing valuable insights for maintenance and design.
Webinar speakers
Craig Towell
Principal SafeGround Engineer, RSK Geophysics
Craig Towell has been involved in the surveying of the built environment since 2008, initially with Fugro until 2014 and since then with RSK Geophysics. He has experience of the GPR assessment of highway pavement construction details and defects on schemes from a few tens of metres in length all the way up to entire local authority networks. Craig currently works as a principal surveyor with RSK Geosciencesβ SafeGround team, responsible for the non-destructive location and mapping of buried infrastructure.
Featured business
RSK Geosciences
RSK Geosciences is the UKβs leading site investigation, contaminated land and geotechnical consultancy and has more than 25 years of experience. We help our clients to realise opportunities and manage the potential liabilities associated with the acquisition, ownership, operation, development and divestiture of land. We work for both the public and private sectors, including many of the UKβs leading property developers, major and local house builders, utility providers and main contractors, local authorities and other government organisations.
Webinar series: Down to Earth
This webinar series focuses on the core elements of RSK Geosciencesβ business and their applications in todayβs world. The sessions will cover, for example, RSK Geosciencesβ key services, highlighting how it can help to de-risk development and construction projects through reducing uncertainty on below-ground issues and identifying opportunities for cost and programme savings and sustainability gains.
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