GCG were appointed to assist with the geotechnical aspects of the project, which included assistance with the design of the underpinning works for the façade retention scheme and advice on solutions for the retaining walls and foundations. Moreover, GCG undertook finite element analyses of the construction processes in order to assist in the design and negotiations with Metronet, who were responsible for the tunnels. During the tendering process, GCG assisted the successful contractor with alternative designs for the temporary works. The groundworks were undertaken using the principles of the observational method, with the limits adopted based on GCG’s work. Measurements taken of the ground and wall movements, as well as movements of the tunnels, were carefully reviewed and were found to compare well with the predicted behaviour.
References
Grammatikopoulou, A., St John, H. D. & Potts, D. M. (2008). Non-linear and linear models in design of retaining walls. Proceedings of the Institution of Civil Engineers – Geotechnical Engineering, 161 (6), pp.311-323.
Location
