Shear Lag Effects in Angles Welded at Both Legs

Table 3

Comparison of the results of numerical analyses with the AISC equation.

Model	Section	(mm)	Weld size (mm)	(mm)	Failure mode	Ultimate load (kN)	(kN)	UAISC	UFEM	UFEM/UAISC
L100-120-10-15s	L100	120	10	15	NF	894.1	1053.9	0.71	0.85	1.20
L100-140-10-15s		140	10	15	NF	940.3		0.75	0.89	1.19
L100-160-10-15s		160	10	15	NF	961.2		0.78	0.91	1.17
L100-180-10-15s		180	10	15	NF	980.5		0.8	0.93	1.16
L100-120-10-20d	L100	120	10	20	SR	1879.5	2107.8	–	–	–
L100-140-10-20d		140	10	20	NF	2019.5		0.75	0.96	1.28
L100-160-10-20d		160	10	20	NF	2058.3		0.78	0.98	1.26
L100-180-10-20d		180	10	20	NF	2078.6		0.8	0.99	1.24
L120-180-12-10s	L120	180	12	10	NF	1244	1521	0.76	0.82	1.08
L120-180-12-15s		180	12	15	NF	1304.9		0.76	0.86	1.13
L120-180-12-20s		180	12	20	NF	1321.7		0.76	0.87	1.14
L120-180-12-30s		180	12	30	NF	1379.7		0.76	0.91	1.2
L150-220-18-15d	L150	220	18	15	GPF	3565.6	4754	–	–	–
L150-220-18-20d		220	18	20	NF	4308.4		0.76	0.91	1.2
L150-220-18-25d		220	18	25	NF	4339.6		0.76	0.91	1.2
L150-220-18-30d		220	18	30	NF	4377		0.76	0.92	1.21
L200-260-20-15s	L200	260	20	15	NF	2389.6	3416.5	0.73	0.7	0.96
L200-280-20-15s		280	20	15	NF	2480		0.75	0.73	0.97
L200-300-20-15s		300	20	15	NF	2564.5		0.76	0.75	0.99
L200-320-20-15s		320	20	15	NF	2661.3		0.78	0.78	1

NF = net section fracture; GPF = gusset plate fracture; SR = shear rupture; s/d = single or double angles.