Test: Beams - 2 - Civil Engineering (CE) MCQ

If ends are assumed to be fixed, then slenderness ratio for web buckling and diagonal buckling respectively is
where
d = clear depth of web between roots of fillet
t = web thickness

Under a concentrated load, bearing stress f_b in a beam, is given by

In web crippling, the bearing length under reactions at the support is calculated by
where
b = width of the bearing plate 
h = depth of root of the fillet in mm

The area A_p of cover plates in one flange of a built up beam, is given by

In a simply supported beam of span l, each end is restrained against torsion, compression flange being unrestrained. According to IS : 800, the effective length of the compression flange will be equal to

By how much percentage is the permissible stress in a grillage beam be increased if it is encased in concrete