E3S Web Conf.
Volume 143, 20202nd International Symposium on Architecture Research Frontiers and Ecological Environment (ARFEE 2019)
|Number of page(s)||5|
|Section||Architectural Engineering and Urban Construction|
|Published online||24 January 2020|
Study on Passive Earth Pressure of Retaining Wall in Transversely Isotropic Soil
1 School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, Guangdong, China
2 Guangdong University of Foreign Studies, College of Education, Guangzhou 510006, Guangdong, China
Based on the fabric tensor theory and the principle of least square method, the method of block processing in the same model to explore the variation of the passive earth pressure of the transversely isotropic soil was used in the study. At the same time, primary displacement application and multiple displacement application were applied to change the angle between the large principal stress direction of the filling and the normal direction of the deposition surface to obtain the new strength parameters ci and φi of each block after the model was divided and additionally analyzing the variation of the anisotropic passive earth pressure. The study shows: 1.Considering the transverse isotropy of the soil and reaching the limit equilibrium, the passive earth pressure of the soil after multiple displacement application is not only smaller than that after primary displacement application but also closed to the theoretical solution of Coulomb’s earth pressure; 2.When the soil is inclined, the anisotropy is significant when compared with the horizontal direction.
© The Authors, published by EDP Sciences, 2020
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