Flexural Strength Prediction of Welded Flange Plate Connections Based on Slenderness Ratios of Beam Elements Using ANN

Table 1

Effect of parameters α_f and on the connection’s strength and ductility.

Specimen	Number	tf (mm)	(mm)	Lb/2 (mm)	db (mm)	αf		Lb/db	M/MP at 4% total rotation	θ (%)
SPE05	1	18.00	13.21	3400	750	0.32	2.21	9.07	0.80	5.90
	2	19.00	13.21	3400	750	0.30	2.21	9.07	0.80	6.00
	3	20.00	13.21	3400	750	0.28	2.21	9.07	NA^∗	2.70
	4	17.02	14.00	3400	750	0.33	2.09	9.07	0.81	5.70
	5	17.02	14.60	3400	750	0.33	2.00	9.07	0.82	6.00
	6	17.02	15.00	3400	750	0.33	1.95	9.07	0.85	6.00
	7	17.02	15.50	3400	750	0.33	1.89	9.07	0.89	6.00
	8	17.02	16.00	3400	750	0.33	1.77	9.07	0.78	4.80
	9	19.00	12.00	3400	750	0.30	2.45	9.07	0.78	4.00
	10	19.00	13.21	3400	750	0.30	2.21	9.07	0.80	6.00
	11	19.00	14.00	3400	750	0.30	2.09	9.07	0.90	6.00
	12	19.00	14.60	3400	750	0.30	2.00	9.07	0.90	6.00
	13	19.00	15.00	3400	750	0.30	1.95	9.07	0.90	6.00
	14	19.00	15.50	3400	750	0.30	1.89	9.07	0.89	6.00
	15	19.00	16.50	3400	750	0.30	1.77	9.07	0.88	6.00
SPE03	16	14.90	10.54	3400	600	0.33	2.17	11.33	0.79	4.92
	17	15.50	10.54	3400	600	0.31	2.17	11.33	0.83	5.00
	18	16.20	10.54	3400	600	0.30	2.17	11.33	0.86	5.08
	19	17.20	10.54	3400	600	0.28	2.17	11.33	0.88	5.31
	20	14.90	10.54	3400	600	0.33	2.17	11.33	0.79	4.92
	21	14.90	10.90	3400	600	0.33	2.10	11.33	0.84	5.06
	22	14.90	11.45	3400	600	0.33	2.00	11.33	0.86	5.15
	23	14.90	11.75	3400	600	0.33	1.95	11.33	0.88	5.23
	24	14.90	12.10	3400	600	0.33	1.90	11.33	0.89	5.31
	25	14.90	13.15	3400	600	0.33	1.75	11.33	0.89	4.77
	26	16.20	10.85	3400	600	0.30	2.12	11.33	0.87	5.23
	27	16.20	11.45	3400	600	0.30	2.00	11.33	0.89	5.38
	28	16.20	11.77	3400	600	0.30	1.95	11.33	0.89	5.54
	29	16.20	12.10	3400	600	0.30	1.90	11.33	0.89	5.69
	30	16.20	9.35	3400	600	0.30	2.45	11.33	0.78	5.08
	31	16.20	13.20	3400	600	0.30	1.75	11.33	NA^∗	2.54
SPE07	32	23.80	15.88	3400	912	0.27	2.20	7.46	0.81	5.46
	33	26.00	15.88	3400	912	0.25	2.20	7.46	NA^∗	2.40
	34	23.80	15.88	3400	912	0.27	2.20	7.46	0.81	5.46
	35	23.80	17.50	3400	912	0.27	2.00	7.46	0.85	5.54
	36	23.80	17.90	3400	912	0.27	1.95	7.46	0.87	5.62
	37	23.80	18.40	3400	912	0.27	1.90	7.46	0.89	5.92
	38	23.80	20.00	3400	912	0.27	1.75	7.46	NA	3.46
	39	20.00	18.50	3400	912	0.33	1.90	7.46	0.72	4.60
	40	21.70	18.50	3400	912	0.30	1.90	7.46	0.83	5.69
	41	21.70	17.50	3400	912	0.30	2.00	7.46	0.77	4.77
	42	21.70	15.88	3400	912	0.30	2.20	7.46	0.72	4.38
	43	21.70	14.30	3400	912	0.30	2.45	7.46	0.69	4.23
SPE01	44	13.00	8.00	2500	380	0.30	1.75	18.52	1.16	6.00
	45	12.00	7.36	2500	380	0.32	1.90	18.52	1.08	4.77
	46	12.00	7.00	2500	380	0.32	2.00	18.52	1.07	4.70
	47	12.00	6.80	2500	380	0.32	2.06	18.52	1.07	4.60
	48	12.00	6.30	2500	380	0.32	2.22	18.52	1.01	4.50
	49	13.00	7.40	2500	380	0.30	1.89	18.52	1.14	6.00
	50	13.00	7.00	2500	380	0.30	2.00	18.52	1.13	6.00
	51	13.00	6.30	2500	380	0.30	2.22	18.52	1.08	6.00
	52	13.00	5.75	2500	380	0.30	2.45	18.52	1.07	5.20
FUSD-1 [11]	53	13.59	9.65	3000	529	0.27	2.10	11.34	0.74	4.30
RC06 [12]	54	17.02	13.21	3400	750	0.33	2.21	9.07	0.65	4.50
RC07 [12]	55	17.02	13.21	3400	750	0.33	2.21	9.07	0.80	5.50
RC08 [12]	56	17.02	13.21	3400	750	0.33	2.21	9.07	0.69	5.50
RC2 [13]	57	10.20	6.60	2500	270	0.27	1.36	18.52	1.25	4.00
RC4 [13]	58	10.20	6.60	2500	270	0.27	1.36	18.52	1.25	6.00
LF30 [14]	59	12.00	8.00	2500	380	0.32	1.75	13.16	1.10	5.00
LF50 [14]	60	12.00	8.00	2500	380	0.32	1.75	13.16	1.07	5.00

NA = not available.