Experimental Study of Triaxial Creep Characteristics of Q2 Loess in Yan’an
- 10.2991/iwmecs-15.2015.6How to use a DOI?
- Q2 loess; creep test; creep characteristics; creep constitutive model.
Triaxial creep test, was conducted on Yan'an Q2 loess under different moisture contents and confining stresses. The creep strain-time curves were obtained. Based on the test results, the stress levels, confining pressures, and moisture contents were all found to have great impact on the creep properties of Yan'an Q2 loess, and when the stress level is higher than the yield stress of Q2 loess, samples show significant creep properties. According to the creep test results and models , a three-dimensional viscous creep model of elasto-plastic stress state was developed based on the use of analogy. On this basis, the transient creep damage constitutive model of loess and the quasi-Newton method were established, where the model parameters were fitted by the theoretical values based on the comparison with the experimental curve, indicted great model applicability.
- © 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 - Zhao Duan AU - Jian-bing Peng PY - 2015/10 DA - 2015/10 TI - Experimental Study of Triaxial Creep Characteristics of Q2 Loess in Yan’an BT - Proceedings of the 2015 2nd International Workshop on Materials Engineering and Computer Sciences PB - Atlantis Press SP - 27 EP - 31 SN - 2352-538X UR - https://doi.org/10.2991/iwmecs-15.2015.6 DO - 10.2991/iwmecs-15.2015.6 ID - Duan2015/10 ER -