The nominal shear strength according to simple post-critical method is given by(a) Av(b) Avτb(c) τb(d) Av /τbThis question was posed to me in exam.My doubt is from Web Panel Subjected to Shear topic in chapter Gantry Girders, Design of Plate Girders & Industrial Buildings of Design of Steel Structures

The nominal shear strength according to simple post-critical method is

1.	The nominal shear strength according to simple post-critical method is given by(a) Av(b) Avτb(c) τb(d) Av /τbThis question was posed to me in exam.My doubt is from Web Panel Subjected to Shear topic in chapter Gantry Girders, Design of Plate Girders & Industrial Buildings of Design of Steel Structures
Answer» Right choice is (b) Avτb To explain I would SAY: Simple post-critical method based on the shear buckling strength can be used for web of I-section girders, with or without intermediate transverse stiffeners, provided that web has transverse stiffeners at the SUPPORTS. The NOMINAL shear strength is given by Vn=Avτb, where AV = area of web, τb = shear stress corresponding to web buckling.

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