Predicting the Ultimate Bearing Capacity of Bolts with an Optimized Function Model

Table 20

Ultimate bearing capacity prediction for example 4.

Model	PredictionD1	ErrorD1 (%)	PredictionD2	ErrorD2 (%)
AH	1341.9	118.2	1147.1	96.76
CH	1134.7	84.50	1007.9	72.88
IF	726.88	18.19	654.56	12.27
IEPF	617.51	0.41	589.68	0.87