Table 1.

Ultimate forces for beams in each series.

		Beam Series
		A	E	F	G
Ultimate force Fu	[kN]	44.95	13.21	14.52	9.09
		37.52	13.79	17.58	16.64
		55.74	11.00	7.03	17.06
Mean ultimate force for each beam series $\overline{F_{\mathrm{u}}}$	[kN]	46.07	12.67	13.04	14.26
Standard deviation s	[kN]	9.16	1.47	5.43	4.49
Variation coefficient ν	[%]	19.89	11.62	41.61	31.45
Ratio of mean destruction force for specified series to reference beam series		1.00	0.27	0.28	0.31