Study of undisturbed loess stress-strain experiments based on CT
- https://doi.org/10.2991/icadme-15.2015.377How to use a DOI?
- undisturbed loess; damage; stress-strain
Test method for observation of geotechnical material in structural damage has become one of the hot field of mechanics, which is the basis to establish the structural model. The authors use real time CT test of triaxial stress in undisturbed loess during triaxial shear tests - strain were studied. The paper analyzes the Q2 and Q3 loess stress - strain curves, proposed initial damage stress undisturbed loess method of determining the threshold of strain. Based on the test results, it indicates Q2 compared Q3 depressed loess prone to injury at low confining, and its strain injury threshold lower than the Q3 loess. On this basis, the damage variable formula proposed by the number of CT defined fitting draw damage variable axial strain and deviatoric stress relationship. CT triaxial test instrument can reveal undisturbed loess structural damage evolution and deformation and destruction law. The instrument is a powerful tool for in-depth analysis of the mechanical properties of the soil.
- © 2015, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - Zhaoyang Wang PY - 2015/10 DA - 2015/10 TI - Study of undisturbed loess stress-strain experiments based on CT BT - Proceedings of the 5th International Conference on Advanced Design and Manufacturing Engineering PB - Atlantis Press SP - 2031 EP - 2038 SN - 2352-5401 UR - https://doi.org/10.2991/icadme-15.2015.377 DO - https://doi.org/10.2991/icadme-15.2015.377 ID - Wang2015/10 ER -