Research Article

Effect of Coalbed Methane Well Fracturing on Slope Stability of Open-Pit Coal Mine: A Case Study of Shengli East No. 2 Open-Pit Coal Mine

Table 11

Stability calculation results of the sectional sliding slope.

CaseLoad combinationTransfer coefficient methodSafety coefficient

1Self-weight + sliding surface of coalbed no. 41.971.5
2aSelf-weight + fracturing surface of coalbed no. 61.631.5
2bSelf-weight + sliding surface of coalbed no. 61.621.5