Determination of Mohr–Coulomb Parameters from Nonlinear Strength Criteria for 3D Slopes
Joint Authors
Wang, Yuke
Wu, Di
Qiu, Yue
Zhang, Juan
Wan, Yukuai
Source
Mathematical Problems in Engineering
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-07-11
Country of Publication
Egypt
No. of Pages
12
Main Subjects
Abstract EN
Many experimental data have illustrated that the strength envelops for soils are not linear.
Nevertheless, the linear Mohr–Coulomb (MC) strength parameters are widely applied for the conventional method, software codes, and engineering standards in the slope design practice.
Hence, this paper developed the 3D limit analysis for the stability of soil slopes with the nonlinear strength criterion.
Based on a numerical optimization procedure written in Matlab software codes, the equivalent MC parameters (the equivalent friction angle and the equivalent cohesion) from the nonlinear strength envelopes were derived with respect to the least upper-bound solutions.
Further investigations were made to assess the influences of nonlinear strength parameters and slope geometries on the equivalent MC parameters.
The presented results indicate that the equivalent MC parameters are closely related to the nonlinear strength parameters.
As the inclination angle increases, the equivalent friction angle becomes bigger, but the equivalent cohesion becomes smaller.
Besides, 3D effects on the equivalent MC parameters were found to be slight.
The presented approach for the determination of MC strength parameters is analytical and rigorous, and the approximate MC strength parameters in the provided design tables can be alternative references for practical use.
American Psychological Association (APA)
Wu, Di& Wang, Yuke& Qiu, Yue& Zhang, Juan& Wan, Yukuai. 2019. Determination of Mohr–Coulomb Parameters from Nonlinear Strength Criteria for 3D Slopes. Mathematical Problems in Engineering،Vol. 2019, no. 2019, pp.1-12.
https://search.emarefa.net/detail/BIM-1196750
Modern Language Association (MLA)
Wu, Di…[et al.]. Determination of Mohr–Coulomb Parameters from Nonlinear Strength Criteria for 3D Slopes. Mathematical Problems in Engineering No. 2019 (2019), pp.1-12.
https://search.emarefa.net/detail/BIM-1196750
American Medical Association (AMA)
Wu, Di& Wang, Yuke& Qiu, Yue& Zhang, Juan& Wan, Yukuai. Determination of Mohr–Coulomb Parameters from Nonlinear Strength Criteria for 3D Slopes. Mathematical Problems in Engineering. 2019. Vol. 2019, no. 2019, pp.1-12.
https://search.emarefa.net/detail/BIM-1196750
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1196750