Multiple Influence Factor Sensitivity Analysis and Height Prediction of Water-Conducting Fracture Zone

Table 4

Height prediction in a working face of the Shendong mining area.

Measured value/m	Fitting formula		“Three under” rules empirical formula
	Predicted value/m	Relative error/%	Predicted value/m	Relative error/%
62.9	64.5	-2.54	41.6	33.86