SHEAR BUCKLING RESISTANCE OF CANTILEVER GIRDERS WITH CORRUGATED WEB

Figures & Tables

h_w [mm]	t_w [mm]	Flange [mm]	Suport stiffener [mm]	w [mm]	L [mm]	Number of models
1	2	3	4	5	7	8
500	2; 2.6; 3	300×15	2×300×20	1500	6350	3
1000	2; 2.6; 3	300×15	2×300×25	1500	6350	3
1250	2; 2.6; 3	300×15	2×300×25	1500	6350	3
1500	2; 2.6; 3	300×15	2×300×25	1500	6350	3

Girder	Web h_w x t_w [mm]	Flange [mm]	Suport stiffener	Failure modes	Limit load P_eB [kN]	First buckling load P_u,Rd [kN]	P_eB /P_u,Rd [%]
2	3	4	5	6	7	8	9
M 1.12	500×2	300×15	2×300×20	L	184	147	0.80
M 2.12	500×2	300×15	2×300×25	L	181	151	0.82
M 1.22	1000×2	300×20	2×300×25	I	342	298	0.87
M 2.22	1000×2	300×15	2×300×25	L	343	296	0.86
M 1.32	1000×2.6	300×20	2×300×25	I	478	380	0.79
M 2.32	1000×2.6	300×15	2×300×25	I	492	390	0.79
M 2.42	1000×3	300×15	2×300×25	I	694	510	0.73
M 1.42	1250×2	300×15	2×300×25	I	348	304	0.87
M 1.52	1500×2	300×15	2×300×25	I	468	400	0.85
M 2.52	1500×2	300×15	2×300×25	I	459	399	0.87

Girder h _w x t _w [mm]	Support Stiffener	Failure modes	Limit load P _u,Rd [kN]	First buckling load P _eB [kN]	P _eB /P _u,Rd [%]
1	2	3	4	5	6
500×2	2×300×20	L	154.1	149.1	0.97
500×2.5	2×300×20	L	192.2	186.8	0.97
500×3	2×300×20	L	231.3	224.6	0.97
1000×2	2×300×25	L	308.1	297.2	0.96
1000×2.5	2×300×25	I	384.3	371.3	0.97
1000×3	2×300×25	I	462.2	445.3	0.96
1250×2	2×300×25	I	384.6	360.1	0.94
1250×2.5	2×300×25	I	480.4	449.9	0.94
1250×3	2×300×25	I	576.5	539.5	0.94
1500×2	2×300×25	I	460.8	419.2	0.91
1500×2.5	2×300×25	I	575.6	531.9	0.92
1500×3	2×300×25	I	687.5	635.7	0.92

Girder	f ¯ y [MPa]	f ¯ u [MPa]	Percentage total elongation at maximum force (F_m ) [%]	Percentage total elongation at fracture [%]	f ¯ y [MPa]	f ¯ u [MPa]	Percentage total elongation at maximum force (F_m ) [%]	Percentage total elongation at fracture [%]	E [GPa]
web					flange
1	2	3	4	5	6	7	8	9	10
M 1.12	334.7	430.6	16.1	22.1	297.5	443.1	23.9	30.3	196
M 2.12	337.9	429.1	15.7	20.8	311.2	476.7	24.5	30.8	188
M 1.22	339.4	435.4	15.9	22.2	287.2	448	24.1	31.4	200
M 2.22	336.3	427.3	14.9	22.5	323.5	461.4	23.1	29.6	234
M 1.32	312.5	453.9	13.8	20.2	264.2	460.9	22.6	28.0	199
M 2.32	324.6	451.5	13.6	19.2	293.9	442.1	25.1	32.3	241
M 2.42	445.9	544.1	10.7	14.6	301.5	439.8	21.3	27.7	205
M 1.42	267.2	360.9	13.4	19.9	302.8	440.4	22.9	30.8	199
M 1.52	299.1	380.5	16.8	23.3	312.5	445.6	24.1	30.0	200
M 2.52	281.0	375.5	17.2	24.6	306.7	449.3	21.9	28.6	203

Girder h_w x t_w [mm]	τ_INV [MPa]	τ_FEM [MPa]	τ I N V τ Y	τ F E M τ Y	τ n , S B τ Y	τ n , E C τ Y	τ n , B A τ Y	τ n , B A τ I N V	τ n , B A τ F E M
1	2	3	4	5	6	7	8	9	10
500×2	147.0	149.1	0.80	0.92	0.79	0.86	0.86	1.09	0.93
500×2.5		149.4		0.92	0.79	0.91	0.86		0.93
500×3		149.7		0.92	0.79	0.95	0.86		0.93
1000×2	149.0	148.6	0.78	0.92	0.79	0.83	0.86	1.10	0.94
1000×2.5	152.0	148.5	0.90	0.92	0.79	0.88	0.86	0.96	0.94
1000×3	170.0	148.4	0.75	0.91	0.79	0.93	0.86	1.26	0.94
1250×2	121.6	144.0	0.86	0.89	0.79	0.82	0.85	1.01	0.96
1250×2.5		144.0		0.89	0.79	0.88	0.85		0.96
1250×3		143.9		0.89	0.79	0.92	0.86		0.96
1500×2	133.0	139.7	0.88	0.86	0.79	0.82	0.84	0.96	0.98
1500×2.5		141.8		0.87	0.79	0.87	0.85		0.97
1500×3		141.3		0.87	0.79	0.92	0.85		0.97
AVG.			0.83	0.90	0.79	0.88	0.85	1.06	0.95