Journal
COMPUTERS AND GEOTECHNICS
Volume 96, Issue -, Pages 189-202Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compgeo.2017.11.002
Keywords
Discrete element method; Jointed rock masses; Second-order cone programming; Mathematical programming; Stability analysis
Categories
Funding
- National Natural Science Foundation of China [51679117]
- Australian Research Council support of the Centre of Excellence for Geotechnical Science and Engineering
- China Scholarship Council
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In this paper, a mathematical programming based discontinuum approach is developed for modelling jointed rock slopes. The formulation naturally leads to a standard second-order cone program, which can be solved using efficient optimisation solvers, and a purely static method is derived that does not require artificial damping parameters. Notably, the approach provides somewhat of a unification of two distinct discontinuum approaches: the soft-particle model and the hard-particle model. A series of numerical examples are conducted to validate the proposed approach. The soft-particle model is more versatile than the hard-particle model while the hard-particle model is more efficient.
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