To Study the Geotechnical Parameters for Slope Stability in Opencast Mines

Slope stability is a critical aspect in the design and operation of opencast mines throughout the entire project lifecycle. Slope failure can lead to significant hazards including equipment damage, production delays, and worker injuries. Therefore, ensuring stable slope design is essential. The failure mechanisms are primarily influenced by geotechnical parameters such as rock mass strength, structural discontinuities, and groundwater conditions. Historically, due to limited technological advancement, slope failures were frequent, and the development of benches posed major challenges. However, modern advancements in rock mechanics, field investigations, and simulation-based software have revolutionized slope design processes. With the integration of advanced software tools and skilled personnel, slope failures can now be effectively predicted and mitigated. This study focuses on understanding and analyzing pit slope design in the context of the Singhori opencast project of Western Coalfields Limited (WCL). The project involves the use of secondary data from earlier research and government agencies, which has been numerically modeled to analyze slope behavior. The findings emphasize that final pit design is not only influenced by ore grade and economics, but also critically by rock mass strength and stability. Thus, slope stability assessments must be integral to every mining plan to ensure safe and efficient operations.