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Design of Structures / August 31, 2021

Bending Stress and Shearing Stress in Timber Beam

Wherefb = actual bending or flexural stressfv = actual horizontal shear stressM = maximum momentV = maximum shearc = distance from the neutral axis to the extreme fiber in bendingI = moment of inertial about the neutral axisS = section modulusQ = moment of area about the neutral axis 

By · August 31, 2021 · 1 min read

Where
fb = actual bending or flexural stress
fv = actual horizontal shear stress
M = maximum moment
V = maximum shear
c = distance from the neutral axis to the extreme fiber in bending
I = moment of inertial about the neutral axis
S = section modulus
Q = moment of area about the neutral axis