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Static stability analysis of geocell-reinforced slopes
Geotextiles and Geomembranes ( IF 5.2 ) Pub Date : 2021-01-08 , DOI: 10.1016/j.geotexmem.2020.12.012
Nariman Khorsandiardebili , Mahmoud Ghazavi

This paper presents an analytical approach to investigate the stability of geocell-reinforced slopes using the limit equilibrium method (LEM). The so-called Horizontal Slice Method (HSM) is employed to simulate horizontal geocell layers. Each geocell layer acts as a beam providing bending and shear resistance in addition to axial strength. A formula is devised by picking relevant governing equilibrium equations, fitted to the new concept employed exclusively for analysis of geocell-reinforced slopes. Parametric studies are conducted to evaluate the effects of increasing the geocell height and replacing geogrids by geocells with various heights for slopes with different characteristics. The results showed that such actions would reasonably reduce the required tension and length of the reinforcement layers, meaning that the stability condition is improved and the less lengthy reinforcement system is formed. Output values also showed dependency on the slope angle and its material properties.



中文翻译:

土工格室加筋边坡的静态稳定性分析

本文提出了一种使用极限平衡法(LEM)来研究土工格室加筋边坡的稳定性的分析方法。所谓的“水平切片法”(HSM)用于模拟水平地质单元层。每个土工格室层都充当梁,除了提供轴向强度外,还提供抗弯曲和剪切的能力。通过选择相关的控制平衡方程来设计一个公式,该公式适合专门用于分析土工格室加筋的边坡的新概念。进行参数研究以评估增加具有不同特征的斜坡的土工格室高度和用具有不同高度的土工格室替换土工格栅的效果。结果表明,这种作用将合理地减少所需的增强层的张力和长度,意味着改善了稳定性条件,并形成了更长的加固系统。输出值还显示出对倾斜角及其材料特性的依赖性。

更新日期:2021-01-08
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