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Thakur, Sahil, Sharma, Ravi. (1404). Integrated Slope Stability Assessment and Solutions using PLAXIS 2D and GEO5. , 16(3), 925-946. doi: 10.22044/jme.2025.15439.2961
Sahil Thakur; Ravi Kumar Sharma. "Integrated Slope Stability Assessment and Solutions using PLAXIS 2D and GEO5". , 16, 3, 1404, 925-946. doi: 10.22044/jme.2025.15439.2961
Thakur, Sahil, Sharma, Ravi. (1404). 'Integrated Slope Stability Assessment and Solutions using PLAXIS 2D and GEO5', , 16(3), pp. 925-946. doi: 10.22044/jme.2025.15439.2961
Thakur, Sahil, Sharma, Ravi. Integrated Slope Stability Assessment and Solutions using PLAXIS 2D and GEO5. , 1404; 16(3): 925-946. doi: 10.22044/jme.2025.15439.2961

Integrated Slope Stability Assessment and Solutions using PLAXIS 2D and GEO5

Journal of Mining and Environment
مقاله 8، دوره 16، شماره 3، مرداد و شهریور 2025، صفحه 925-946    اصل مقاله (21.39 M)
نوع مقاله: Original Research Paper
شناسه دیجیتال (DOI): 10.22044/jme.2025.15439.2961
نویسندگان
Sahil Thakur* ؛ Ravi Kumar Sharma
Department of Civil Engineering, National Institute of Technology Hamirpur, Himachal Pradesh, India
چکیده
Slope stability is critical for infrastructure safety, particularly in seismically active regions. This work evaluates the stability of a slope along the Baroti-Reyur road in Himachal Pradesh, located in Zone 5, using a novel combination of Limit Equilibrium Methods (LEMs) and Finite Element Methods (FEMs). The analysis examines natural slope conditions and the impact of sustainable mitigation measures, including retaining structures and bioengineering techniques, under the static and dynamic conditions. The soil model incorporated a modulus of elasticity (E) of 90,000 kN/m², and a poisson's ratio (v) of 0.3 to reflect realistic slope-soil-structure interactions. Retaining structures such as gravity, cantilever, and gabion walls (4 m, 6 m, and 5 m high) were constructed using M30 RCC and Fe500 steel. Bioengineering measures featured deep-rooted grasses like Vetiver and Broom grass to improve soil cohesion (c), shrubs like Lantana camara for surface stability, and trees like Albizia lebbeck to reinforce deeper soil layers. These vegetation-based interventions enhanced slope resilience, while promoting ecological restoration. Theoretical LEM analysis revealed marginal stability, with static FOS values of 1.1 and pseudo-static FOS of 1.05. GEO5 pseudo-static analysis indicated critically low FOS value of 0.88 for dynamic saturated conditions, improving to 2.01 with retaining structures. FEM analysis using PLAXIS 2D provided more detailed insights, capturing complex soil-structure interactions with a static FOS of 1.028 and dynamic FOS of 0.994. By combining FEM with sustainable mitigation strategies, this work offers a framework for resilient slope stabilization, ensuring safety, while promoting environmental sustainability in seismically active regions.
کلیدواژه‌ها
Numerical Modeling؛ Finite Element Method (FEM)؛ Factor of Safety (FOS)
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