Study on the Impact Resistance of Metal Flexible Net to Rock fall

Table 4

The comparison table of the maximum instantaneous impact forces of the supporting ropes under different working conditions.

Rock fall quality (kg)	Test conditions	First supporting rope (kN)			Second supporting rope (kN)
		Numerical analysis	Testing	Error analysis	Numerical analysis	Testing	Error analysis
20	XT-2.5-20-2	10.692	10.325	3.55	11.341	9.97	13.75
	XT-2.5-20-3	13.471	13.15	2.44	13.682	12.81	6.81
50	XT-2.5-50-2	22.64	24.13	6.17	22.445	22.44	0.02
	XT-2.5-50-3	29.325	31.88	8.01	27.660	25.45	8.68