Experimental and Theoretical Research on the Compression Performance of CFRP Sheet Confined GFRP Short Pipe

Table 2

Ultimate axial compressive stress of the specimens attained by experiment.

Specimen number	Layers of the CFRP sheet	Wall thickness of the GFRP pipe (mm)	Average experimental value of the ultimate axial compressive stress (MPa)
1-1	0	4	353.3
1-2	2	4	461.4
1-3	4	4	499.2
1-4	6	4	585.9
1-5	8	4	722.1
2-1	0	8	341.7
2-2	2	8	471.6
2-3	4	8	517.1
2-4	6	8	550.6
2-5	8	8	607.2