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 Effective-stress analysis of berm-supported retaining walls J. Smethurst & W. Powrie, 2008, Proceedings of the Institution of Civil Engineers - Geotechnical Engineering, 161(1), 39-48 DOI: 10.1680/geng.2008.161.1.39 Type: article Monitoring and analysis of the bending behaviour of discrete piles used to stabilise a railway embankment J.A. Smethurst & W. Powrie, 2007, Géotechnique, 57(8), 663-677 DOI: 10.1680/geot.2007.57.8.663 Type: article