Journal
COMPUTERS AND GEOTECHNICS
Volume 85, Issue -, Pages 84-89Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compgeo.2016.12.027
Keywords
Vegetation; Root reinforcement; Uncertainty; Slope stability; Green slope; Reliability analysis
Categories
Funding
- Research Grants Council of the Hong Kong Special Administrative Region [C6012-15G, HKUST6/CRF/12R]
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Root length, position and orientation on a soil slope are random but key elements when evaluating the stability of the vegetated slope. The main objectives of this note are to understand the effects of natural characteristics of vegetation on slope stability and to investigate how the variability in root features propagates to the variability in slope stability. A batch of randomly sized roots at given root densities are randomly positioned over a slope, and the stability of the slope for each combination of roots is evaluated. Traditional analysis considering uniform identical roots overestimates the factor of safety of the slope. (C) 2016 Elsevier Ltd. All rights reserved.
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