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: w.powrie@soton.ac.uk Other researchers DR Professor David Richards BEng MSt PhD CEng FICE Professor in Ground Engineering Connect with David Email: djr@soton.ac.uk Dr Joel Smethurst BEng PhD GMICE FHEA Associate Professor Research interests The effects of vegetation and climate on the performance of earthworks (cuttings and embankments) The stabilisation of both infrastructure slopes and large landslides using discretely spaced piles The mechanical stabilisation of soil by plants roots Connect with Joel Email: j.a.smethurst@soton.ac.uk 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.