Staff Lead researchers Professor William Powrie Professor of Geotechnical Engineering Research interests Railway track and trackbed behaviour and performance Geotechnical transportation infrastructure (earthworks, retaining walls, tunnels) Groundwater and groundwater control Connect with William Email: W.Powrie@soton.ac.uk Research outputs Large scale testing of drystone retaining walls C. Mundell, P. McCombie, A. Heath, J. Harkness & P. Walker, 2008 Type: conference