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Keywords = under-berm failure

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24 pages, 10783 KB  
Article
Stability Analysis of the Landfill Slope with an Engineered Berm Under Composite Failure Mode
by Xiaobo Ruan, Yulong Li, Yu-Shan Luo, Hongwei Wang, Jiajia Chen and Zhongjun Ding
Appl. Sci. 2024, 14(24), 11515; https://doi.org/10.3390/app142411515 - 10 Dec 2024
Viewed by 1221
Abstract
In order to increase the capacity of landfills while ensuring a certain degree of stability of such structures, an engineered berm is typically constructed at the front slope of the landfill. For this type of landfill slopes, this paper primarily focuses on the [...] Read more.
In order to increase the capacity of landfills while ensuring a certain degree of stability of such structures, an engineered berm is typically constructed at the front slope of the landfill. For this type of landfill slopes, this paper primarily focuses on the construction and verification of stability assessment models for such structures. Initially, the calculation models of the safety factor were established, considering over and under berm failure modes separately. Subsequently, through error analysis, it was determined that it is feasible to evaluate the stability of this type of landfills by substituting the true safety factor with the average safety factor obtained from the calculation model. The analysis for parameters and slip surfaces was then conducted to investigate the impact of parameters associated with the engineered berm on the landfill slope stability. Finally, a visual comparison and brief discussion were conducted on the average safety factors under translational and composite failure modes. Thus, the critical failure modes under specific working conditions can be reasonably ascertained, which holds significant practical implications for enhancing the reliability of stability assessment of such landfill slopes. Full article
(This article belongs to the Special Issue Advanced Technologies in Landfills)
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