Structural Engineering & Statics
where the load goes
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Plastic hinge — the series

One essay so far on this idea, and more questions about it than one essay answers.
  1. The collapse mechanism of a propped cantilever. A collapse mechanism, with the hinge position found by searching rather than quoted. Every position gives an upper bound on the collapse load; the lowest is 7.29, at a hinge 58.6 per cent along, which is a coefficient of 11.657 times Mp over the square of the span.

    After the first yield, which is not the end

    A steel beam whose extreme fibre has reached yield has not failed. It has started forming a hinge, and collapse waits until there are enough hinges to make a mechanism.

    part 1 · internal-forces

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