If is the shear force at a section of an I-joist, having web depth and moment of inertia
about its neutral axis, the difference between the maximum and mean shear stresses in the
web is,
(A) Sd²/8I
(B) Sd²/12I
(C) Sd²/16I
(D) Sd²/24I
about its neutral axis, the difference between the maximum and mean shear stresses in the
web is,
(A) Sd²/8I
(B) Sd²/12I
(C) Sd²/16I
(D) Sd²/24I