NUMERICAL VALUES
6 - 159
TABLE 10-50 φvVn (ksi) for Plate Girders by Appendix G Aw for 50 ksi Yield Stress Steel, Tension Field Action Included[b] (Italic values indicate gross area, as percent of (h × tw) required for pairs of intermediate stiffeners of 50 ksi yield stress steel with Vu / φVn = 1.0)[a] Aspect ratio a / h: Stiffener Spacing to Web Depth
h tw
0.5
0.6
0.7
0.8
0.9
1.0
1.2
1.4
1.6
1.8
2.0
2.5
3.0
Over 3.0 [c]
60 27.0 27.0 27.0 27.0 27.0 27.0 27.0 27.0 27.0 27.0 27.0 27.0 27.0 26.6 70 27.0 27.0 27.0 27.0 27.0 27.0 27.0 27.0 26.9 26.5 26.1 25.4 24.9 22.8 80 27.0 27.0 27.0 27.0 27.0 27.0 26.5 25.8 25.1 24.6 24.1 23.3 22.4 18.6 90 27.0 27.0 27.0 27.0 26.8 26.3 25.3 24.4 23.4 22.5 21.7 20.2 19.2 14.7 100 27.0 27.0 27.0 26.5 25.9 25.3 24.0 22.5 21.4 20.4 19.6 18.0 17.0 11.9 110
27.0 27.0 26.5 25.8 25.1 24.2 22.4 21.0 19.8 18.8 18.0 16.4 15.3
9.8
120 27.0 26.7 25.9 25.1 24.0 23.0 21.2 19.8 18.6 17.6 16.8 15.2 14.1
8.3
130 27.0 26.2 25.4 24.1 23.0 22.0 20.3 18.9 17.7 16.7 15.9 14.2 13.1
7.0
140 26.7 25.8 24.5 23.3 22.2 21.3 19.6 18.2 17.0 16.0 15.1 13.5 12.3
6.1
150 26.3 25.2 23.9 22.7 21.6 20.7 19.0 17.6 16.4 15.4 14.5 12.9 11.7
5.3
160 26.0 24.6 23.3 22.2 21.1 20.2 18.5 17.1 15.9 14.9 14.0 12.4 0.2 0.4 0.5 0.8
4.6
170 25.6 24.1 22.8 21.7 20.7 19.8 18.1 16.7 15.2 14.5 13.6 0.5 1.0 1.2 1.4 1.6
4.1
180 25.1 23.7 22.4 21.3 20.3 19.4 17.8 16.4 15.2 14.2 13.3 0.4 0.9 1.5 1.9 2.2 2.3 2.5
3.7
200 24.3 23.0 21.8 20.8 19.8 18.9 17.3 15.9 14.7 1.0 1.8 2.3 2.7 3.2 3.5 3.7
3.0
220 23.7 22.5 21.4 20.4 19.4 18.5 16.9 1.7 2.7 3.3 3.8 4.1 4.5
2.5
240 23.2 22.1 21.0 20.0 19.1 18.2 1.8 3.2 4.0 4.6 4.9 5.2
2.1
260 23.0 21.8 20.8 19.8 18.8 18.0 3.2 4.4 5.1 5.6 5.9 6.1 280 22.7 21.6 20.6 19.6 4.4 5.4 6.0 6.4 [a] For area of single-angle and single-plate stiffeners, or when Vu / φVn < 1.0, see Equation A-G4-1. [b] For end-panels and all panels in hybrid and web-tapered plate girders, use Table 9-50. [c] Same as for Table 9-50. Note: Girders so proportioned that the computed shear is less than that given in right-hand column do not require intermediate stiffeners.
AMERICAN INSTITUTE OF STEEL CONSTRUCTION