Structural Engineering: Bending moment and shear force

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  • #3311
    Punit PatelPunit Patel
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    I am a bridge designer, so I don’t have much exposure to buildings. Why do people generally take bending moment and shear force value at the face of column?

    #3312
    Vijay SolankiVijay Solanki
    Participant

    This is really an interesting question. The reason is that we model center to center in software, but we consider beam-column junction as infinite rigid. Taking the value at the face of column is also less around 10-20% and in some cases upto 25%. Hence, there shall be significant saving in steel. It is also technically true that beam-column junction is rigid, so we don’t consider the value of moment and shear force at the center that may increase the reinforcement usage.

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