March 2023

Volume 75    Issue 3

A numerical modeling approach for the assessment of seepage characteristics and performance of protective water barrier pillars in underground mine

Galav, Ankush; Singh, G.S.P.; Sharma, S.K.

This paper proposes a hydromechanically coupled numerical modeling approach to quantify the influence of various parameters on the mechanical and hydraulic performance of protective water barrier pillars (PWBP). The results are validated for two case studies having pillar widths of 16 and 42 m at cover depths of 136 and 190 m and water heads of 25 and 141 m. The outcome can be significantly helpful in the rational design of these pillars in underground coal mines.

Full-text paper:
Mining, Metallurgy & Exploration (2022) 39:2047–2063, https://doi.org/10.1007/s42461-022-00672-3

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