David Pritchard¹, Nathan Daniel Forsythe¹, Greg M O'Donnell², Hayley J Fowler³ and Nick Rutter⁴, (1)Newcastle University, Tyne and Wear, United Kingdom, (2)University of Newcastle, School of Civil Engineering and Geosciences, Newcastle, United Kingdom, (3)Newcastle University, School of Engineering, Tyne and Wear, United Kingdom, (4)Northumbria University, Newcastle-Upon-Tyne, United Kingdom