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Shende, Rahul, Navagire, Omkar, Jangir, Himanshu, V., Srinivasan, Mandal, Anirban, Patel, Anjan. (1404). Engineering Challenges and Remedial Measures in Black Cotton Soil Dump Adjacent to Hamlet: A Case Study from Opencast Mine. , 16(5), 1521-1538. doi: 10.22044/jme.2025.15137.2896
Rahul Shende; Omkar Navagire; Himanshu Kumar Jangir; Srinivasan V.; Anirban Mandal; Anjan Patel. "Engineering Challenges and Remedial Measures in Black Cotton Soil Dump Adjacent to Hamlet: A Case Study from Opencast Mine". , 16, 5, 1404, 1521-1538. doi: 10.22044/jme.2025.15137.2896
Shende, Rahul, Navagire, Omkar, Jangir, Himanshu, V., Srinivasan, Mandal, Anirban, Patel, Anjan. (1404). 'Engineering Challenges and Remedial Measures in Black Cotton Soil Dump Adjacent to Hamlet: A Case Study from Opencast Mine', , 16(5), pp. 1521-1538. doi: 10.22044/jme.2025.15137.2896
Shende, Rahul, Navagire, Omkar, Jangir, Himanshu, V., Srinivasan, Mandal, Anirban, Patel, Anjan. Engineering Challenges and Remedial Measures in Black Cotton Soil Dump Adjacent to Hamlet: A Case Study from Opencast Mine. , 1404; 16(5): 1521-1538. doi: 10.22044/jme.2025.15137.2896

Engineering Challenges and Remedial Measures in Black Cotton Soil Dump Adjacent to Hamlet: A Case Study from Opencast Mine

Journal of Mining and Environment
مقاله 1، دوره 16، شماره 5، مهر و آبان 2025، صفحه 1521-1538    اصل مقاله (13.48 M)
نوع مقاله: Case Study
شناسه دیجیتال (DOI): 10.22044/jme.2025.15137.2896
نویسندگان
Rahul Shende؛ Omkar Navagire؛ Himanshu Kumar Jangir؛ Srinivasan V.* ؛ Anirban Mandal؛ Anjan Patel
Visvesvaraya National Institute of Technology, Nagpur 440010, Maharashtra, India
چکیده
Due to its intricate challenges, Black cotton (BC) soil is dumped separately in mining areas, and this study focuses on a BC soil dump at an open-cast mine site. This soil, characterized by cohesion of 26-40 kPa and internal friction angle of 13°-17°, exhibits significant expansion and contraction with moisture fluctuations, swelling during wet periods, and shrinking during dry spells, posing considerable challenges in mining areas. The Ministry of Environment, Forest and Climate Change (MoEFCC) has suggested constructing a 15-20m wall to protect the village on the periphery of the BC soil dump of 36m height. This study aimed to identify sustainable and economical alternative feasible remedial solutions. Field testing, including borehole investigation, was conducted to determine the stratigraphy beneath the dump. Numerical analysis using SLOPE/W software was performed for slope optimization and to evaluate remedial measures such as stone pitching and rockfill trench. The study shows that the dump can be stabilized using the design modification and possible cost-effective measures. Based on field observations, dump material testing, and numerical analysis, alternative remedial measures were proposed and implemented. The study also includes a cost-benefit analysis of the recommended remedial measures.
کلیدواژه‌ها
Opencast mining؛ OB dump, Black cotton soil؛ Slope stability؛ Remedial measures
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