Shanghai locates on the east tip of Yangtze River Delta facing the East China Sea. Shanghai marine clay owns some particular properties. However, the report on the mechanical properties of Shanghai marine clay is rather rare. The three-dimensional strength and deformation characteristics of soft soil are dependent on the stress conditions. In this study, a series of isotropic consolidated drained true triaxial tests are carried out with an automatically controlled mixed rigid-flexible boundary true triaxial apparatus. Undisturbed soil sample is prepared by the block sampling method. 5 drained tests with stress path in the same π plane along different Lode angles are performed. Tests results show that the intermediate stress has large influence on the yielding and failure of Shanghai marine clay. Three dimensional strength of Shanghai marine clay generally obeys the SMP failure criteria.
- Ocean, Offshore and Arctic Engineering Division
Study on Strength of Shanghai Marine Clay by True Triaxial Test
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Sheng, J, Wu, C, Ye, G, & Wang, J. "Study on Strength of Shanghai Marine Clay by True Triaxial Test." Proceedings of the ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. Volume 4: Offshore Geotechnics; Ronald W. Yeung Honoring Symposium on Offshore and Ship Hydrodynamics. Rio de Janeiro, Brazil. July 1–6, 2012. pp. 245-249. ASME. https://doi.org/10.1115/OMAE2012-84254
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