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Steel structures miscellaneous

  1. The plastic collapse load Wp for the propped cantilever supporting two point loads as shown in figure terms of plastic moment capacity, Mp is given by
    1. 3 Mp /L
    2. 4 Mp /L
    3. 4 Mp /L
    4. 6 Mp /L
Correct Option: B

Max positive moment under load = PL/3

PL
=
mp + mp
=
4mp
333

∴ P =
4mp
L



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