Structural Performance of a Hybrid FRP-Aluminum Modular Triangular Truss System Subjected to Various Loading Conditions

Table 2

Comparison of the maximum superimposed stress with the corresponding individual stresses in the lower chord members at the maximum load level of 75 kN.

Comparison of the maximum superimposed stress in the lower chord members	In - plane			In X-Y plane
	Superimposed stress	Axial direct stress	Bending stress	Superimposed stress	Axial direct stress	Bending stress
On-axis load
Value (MPa)	78.63	79.22	−0.59	79.22	79.22	0
Ratio (%)	/	100.75	−0.75	/	100	0
Off-axis load
Value (MPa)	81.54	78.51	3.03	169.06	78.51	90.55
Ratio (%)	/	96.28	3.72	/	46.44	53.56
Off-axis value to on-axis value ratio	1.037	0.991	/	2.134	0.991	/