Curved Beam - VTU e-Learning
Curved Beam - VTU e-Learning
Curved Beam - VTU e-Learning
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Radius of centroidal axis rc = ri + c1 = 100+40<br />
Radius of neutral axis rn =<br />
=<br />
= 140 mm<br />
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Distance of neutral axis to centroidal axis e = rc rn<br />
= 135.42mm<br />
= 140 135.42=4.58mm<br />
Distance of neutral axis to inner radius ci = rn ri = 135.42 100<br />
=35.42mm<br />
Distance of neutral axis to outer radius co = ro rn = 190 135.42<br />
= 54.58mm<br />
Distance from centroidal axis to force l = rc 25= 140 25<br />
Applied force F = 25,000N = 25kN<br />
= 115mm<br />
Area of cross section A = <br />
b b = <br />
x90x60 30 = 4050mm2<br />
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Bending moment about centroidal axis Mb = FI = 25,000x115<br />
Direct stress σd = <br />
<br />
= 2875000 N-mm<br />
= <br />
= 6.173N/mm2 (tensile)