Slope Stability Analysis of the Mining Pit in an Open-Pit Nonmetallic Mine

Qi Liu （ Ordos Institute of Technology School of Civil Engineering, Ordos, Inner Mongolia autonomous region, 017099, China ）

Yong-Qiang Ren （ Ordos Institute of Technology School of Civil Engineering, Ordos, Inner Mongolia autonomous region, 017099, China ）

Xiang-Yang Wu （ Baotou City Housing and Urban-Rural Development Bureau, Baotou, Inner Mongolia autonomous region, 014000, China ）

Jia-Yao Chen （ Ordos Institute of Technology School of Mathematics and Computer Engineering, Ordos, Inner Mongolia autonomous region, 017099, China ）

Xiang-Mei Chen （ Ordos Institute of Technology School of Civil Engineering, Ordos, Inner Mongolia autonomous region, 017099, China ）

Abstract

The scale of high and steep slopes formed in open-pit mining differs significantly from that in other engineering fields. Due to the extensive range of potential mining sites, the geological conditions of slopes often fail to meet ideal standards, making slope stability analysis critically important. This study examines the slope of an open-pit nonmetallic mine, discussing the primary influencing factors on slope stability, including external factors (stratigraphic lithology and slope geometry) and internal factors (groundwater, blasting vibrations, and natural climate). The finite element strength reduction method was employed to analyze and calculate slope stability, followed by evaluations and recommendations based on the computational results.

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