| Issue |
E3S Web Conf.
Volume 293, 2021
2021 3rd Global Conference on Ecological Environment and Civil Engineering (GCEECE 2021)
|
|
|---|---|---|
| Article Number | 02019 | |
| Number of page(s) | 4 | |
| Section | Environmental Energy and Civil Engineering and Water Conservancy Construction | |
| DOI | https://doi.org/10.1051/e3sconf/202129302019 | |
| Published online | 23 July 2021 | |
A series of equivalent area circle yield criteria based on unified strength theory
1. Faculty of Engineering, China University of Geosciences, Wuhan 430074, China
2. Engineering research center of rock-soil drilling & excavation and protection, Ministry of education, Wuhan 430074, China
* Corresponding author: zhoupeicug@126.com
Unified strength theory considering the influence of the intermediate principal stress is widely used in geotechnical engineering, but the singularities bring inconvenience to the numerical calculation. A series of equivalent area circle yield criteria based on unified strength theory are derived. The parameters of the new yield criteria and Drucker-Prager criteria are discussed, and the flow vector coefficients of the new yield criteria are given. The new series of yield criteria are very convenient for numerical calculation and can be served as reference for the evaluation of the effects of strength theory.
© The Authors, published by EDP Sciences, 2021
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