Comparative Study on Mechanical Properties of a Tube-Crushing Dissipator and a Symmetric Tube-Crushing Dissipator

Table 4

Main mechanical parameters of the symmetric tube-crushing dissipators at static tests.

Tube thickness (mm)	No.	Activation force threshold (kN)	Absorbed energy (kJ)	Mean force at the crushing section (kN)
0.4	Sample 1	22.15	3.42	21.62
	Sample 2	24.46	3.14	20.08
	Sample 3	22.61	3.05	20.01
	Average	23.07	3.20	20.57
0.5	Sample 1	25.55	4.26	26.84
	Sample 2	32.45	4.82	29.81
	Sample 3	29.05	5.09	31.75
	Average	29.02	4.72	29.46
0.55	Sample 1	36.32	5.17	30.21
	Sample 2	33.35	4.85	31.11
	Sample 3	30.35	5.02	32.03
	Average	33.34	5.01	31.12