Transverse stresses and modes of failure in tree branches and other beams.

  title={Transverse stresses and modes of failure in tree branches and other beams.},
  author={Anthony Roland Ennos and Adam van Casteren},
  journal={Proceedings. Biological sciences},
  volume={277 1685},
The longitudinal stresses in beams subjected to bending also set up transverse stresses within them; they compress the cross section when the beam's curvature is being increased and stretch it when its curvature is being reduced. Analysis shows that transverse stresses rise to a maximum at the neutral axis and increase with both the bending moment applied and the curvature of the beam. These stresses can qualitatively explain the fracture behaviour of tree branches. Curved 'hazard beams' that… CONTINUE READING
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