Mechanical Performance of Tube-Gusset X-Joints Enhanced by Ring Plates

Table 5

Ultimate strength of the specimens.

Specimen	Ultimate strength (kN)				Error: (Py − Py-Test)/Py-Test × 100%)
	Py-Test	Py-JSSC	Py−1	Py−2	eJSSC	e1	e2
Φ194 × 6−6 × 80	208.78	130.25	198.99	203.83	−37.6%	−4.7%	−2.37%
Φ194 × 6−10 × 80	305.03	217.08	280.14	287.84	−28.8%	−8.2%	−5.63%
Φ194 × 6−10 × 100	365.13	271.35	387.55	359.15	−25.7%	6.1%	−1.64%
Φ273 × 6−6 × 48	113.11	78.15	71.75	121.43	−30.9%	−36.6%	7.36%
Φ273 × 6−6 × 72	178.81	117.23	131.36	174.58	−34.4%	−26.5%	−2.36%
Φ356 × 8−8 × 48	173.15	86.98	84.76	171.19	−49.8%	−51.0%	−1.13%
Φ356 × 8−8 × 120	357.3	260.50	331.06	385.02	−27.1%	−7.3%	7.76%
Average	—	—	—	—	−33.5%	−18.3%	0.3%
Standard deviation	—	—	—	—	0.0830	0.2033	0.0518