Staff Lead researcher 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: firstname.lastname@example.org Collaborating research institutes, centres and groups Infrastructure Group The Infrastructure Research Group has expertise across structural and geotechnical engineering. We address research challenges found onshore and offshore, supporting sustainability and resilience.