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What is Flexural Stiffness of Diaphragm Walls about?

This document discusses the estimation of flexural stiffness of diaphragm walls in the context of the High Speed 2 (HS2) Phase 1 project in the UK, focusing on a cut and cover tunnel. It presents findings from back-analysis indicating that the flexural stiffness of the walls decreases over time under quasi-permanent loading conditions, showing values of approximately 0.5-0.6 times initial stiffness shortly after excavation and further reducing to 0.35-0.5 times after two years. The paper emphasizes the need

Author

Márkosz Topalidisz

Language

EN