AISC LRFD 1.pdf

NUMERICAL VALUES 159f vVAwnTABLE 9-36 M (cont’d)(MPa) for Plate Girders by Appendix Gfor 250 MPa Yield Stress Steel,Tension Field Action Included [b](Italic values indicate gross area,as percent of (h t w) required for pairs ofintermediate stiffeners of 250 MPa yield stresssteel with V u/ V n= 1.0) [a]Aspect ratio a / h: Stiffener Spacing to Web Depthht w 0.5 0.6 0.7 0.8 0.9 1.0 1.2 1.4 1.6 1.8 2.0 2.5 3.0300 115 109 1043.9 5.2 5.9320 114 1084.9 6.0[a] For area of single-angle and single-plate stiffeners, or whenVu/ f Vn