Bearing Capacities of Different-Diameter Concrete-Filled Steel Tubes under Axial Compression

Table 5

Stresses of steel tube in specimen CD4-2.

Number of gauge points	Hoop stress of steel tube/MPa	Longitudinal stress of steel tube/MPa	Equivalent stress of steel tube/MPa
G-1, 2	46		260
G-3, 4	114		260
G-5, 6	8		260
G-7, 8	147		260
G-9, 10	166		260
G-11, 12	132		260
G-13, 14	121		260
G-15, 16	214		260
G-17, 18	149		260
G-19, 20	212		260
G-21, 22	173		260
G-23, 24	127		260
Average	134		260