Experimental and Numerical Study on the Capability Behavior of a Thick-Walled Spatial Cast-Steel Joint under Complex Load Conditions

Table 10

Core area stress for different enhancement coefficients (MPa).

Test point	Under design load	With secondary shear	With all secondary loads	a = 1.1; b = 1.1	a = 1.3; b = 1.3	a = 1.5; b = 1.3	a = 1.5; b = 1.5	a = 1.7; b = 1.5
T4	112.457	148.34	155.32	123.79	146.31	168.74	168.84	191.3
T6	93.2618	126.05	132.25	102.04	120.61	139.6	139.19	158.19
T20	106.013	127.01	120.14	117.6	138.98	160.36	160.36	181.74
T22	86.9469	106.98	102.1	92.9	109.79	127.58	126.68	144.46
T26	54.8336	65.03	64.91	57.55	68.01	76.44	78.46	86.84
T27	81.8721	94.77	94.69	81.53	96.35	107.9	111.21	122.75
T36	83.1489	107.91	111.68	91.22	107.81	124.24	124.38	140.79
T37	80.9104	97.51	93.66	82.34	97.32	112.19	112.33	127.21

a is the enhancement coefficient of branch N4; b is the enhancement coefficient of N1–N3.