MOST readers will be familiar with the ‘Mirrored Beam’ method of using the Three‐Moment Equation for ‘Built‐in’ beams. The following method is somewhat similar but has the added advantage that it can be applied also to beams whose ends are elastically restrained or have a fixed slope.
Ayers, K.B. (1951), "An Application of the Three‐Moment Equation: The Solution of Problems of Continuous Beams with ‘Built‐in’ or Elastically Restrained Ends", Aircraft Engineering and Aerospace Technology, Vol. 23 No. 6, pp. 173-173. https://doi.org/10.1108/eb032045
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