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Strain Evolution of Saturated Clays Under Cyclic Loadings in Three-dimensional Stress Condition by Pang, Yuxiang; Gu, Chuan; Wang, Jun; Cai, Yuanqiang is a Engineering article available to read on EtoBox.

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The strain evolution of saturated clays under cyclic loadings has been studied by means of various laboratory testing methods, aiming for the accurate simulation of engineering conditions such as the consolidation states of clays, cyclic stress paths of external loadings and boundary conditions in situ. Considering that the subgrade clays are usually overconsolidated rather than normally consolidated, the drainage condition is normally partially drained instead of undrained under long-term cyclic loadings, and the cyclic stress paths are in threedimensional stress state, this study explores the three-dimensional strain characteristics of both normally and overconsolidated clays in partially drained condition based on a true triaxial apparatus. Emphasis are put on the effects of cyclic stress ratio (CSR), overconsolidation ratio (OCR) and coefficient of cyclic intermediate principal stress (b cyc ) on the accumulation of permanent strain components including major, intermediate, minor principal strains, and volumetric strain. Test results show that the relative magnitudes of strain components are strongly influenced by both b cyc and OCR, while the accumulated directions of strain p

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Author

Pang, Yuxiang; Gu, Chuan; Wang, Jun; Cai, Yuanqiang

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0013-7952)

Published

2020

Language

EN

Field

Engineering (Physical Sciences)