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Bridge analysis · Simply supported beam

Simply supported beam under a uniform load

Calculate the support reactions and view the shear-force or bending-moment diagram for a simply supported beam with a uniform load over its full span.

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Diagram

Support reactions

Shear force diagram

Shear force diagram Shear force diagram ABqSxL=20.000 mx=8.000 mL-x=12.000 mRA=70.000 kNRB=70.000 kNV=14.000 kNVmax=70.000 kNVmin=-70.000 kN
The section position x is measured from the left support and marked on the selected diagram.
Support reactions
R_A = R_B = 70.000 kN
Internal force at section x = 8.000 m
V = 14.000 kN
Read the uniform-load theory and derivation