Journal
JOURNAL OF CENTRAL SOUTH UNIVERSITY
Volume 26, Issue 3, Pages 728-742Publisher
JOURNAL OF CENTRAL SOUTH UNIV
DOI: 10.1007/s11771-019-4043-5
Keywords
granite residual soil; creep tests; dynamic stress accumulation model
Categories
Funding
- National Natural Science Foundation of China [41572277, 41877229]
- Natural Science Foundation of Guangdong Province, China [2018B030311066]
- Science and Technology Program of Guangzhou, China [201607010023]
Ask authors/readers for more resources
The creep behaviors of granite residual soil with pre-stress of 100 kPa was investigated by a series of small size creep tests. Three different types of strain curves were obtained at different stress levels. Based on creep characteristics of the granite residual soil under different stress levels, a creep model of the granite residual soil was established by rheological theory, and related parameters of the model were determined according to the experimental data at the same time. Further on, based on the established creep model, a theoretical model of dynamic stress accumulation in the granite residual soil under cyclic loading was deduced. It is found that there is a threshold of dynamic stress accumulation in this theoretical model. The dynamic stress accumulation laws of the granite residual soil are different under different cyclic loading stress. Finally, with the dynamic stress accumulation laws in the small-size samples of granite residual soil under different cycle loading studied and the experimental results comparing with the theoretical results, it verifies the validity of the theoretical model.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available