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- Title
粗粒土的剪胀方程研究.
- Authors
朱翠民; 武颖利; 皇甫泽华; 张兆省
- Abstract
This paper analyzed the dilatancy characteristics of coarse-grained soil and summarized the typical improved method of Rowe dilatancy equation and the dilatancy equation of Cambridge model for coarse-grained soil. Based on the dilatancy equation of Cambridge model, a new improved method was proposer!. The main conclusions are as follows; a) the improvement of Rowe’ s dilatancy equation from Zhangbingyin is better, and the parameters are simple, which is a more practical method; b) the improvement method of the dilatancy equation of Cambridge model are mainly based on keeping its mathematical expression, and then the critical state stress ratio M is changed to the dilatancy stress ratio MA, so the main step of this improved method is to determine Md simply and accurately; c) the parameters of dilatancy equation proposed in this paper can be determined only by triaxial CD test, and the test results of several rockfill materials are used to verify its applicability.
- Publication
Yellow River, 2018, Vol 40, Issue 10, p114
- ISSN
1000-1379
- Publication type
Article
- DOI
10.3969/j.issn.1000-1379.2018.10.025