Buckling, bending and penetration response of the Taraxacum officinalae (Dandelions) to macadam loading

A multi-stemmed, multi-leaved dandelion plant can lift an overhead weight of 2–3 N, sustaining this force for 3–4 weeks, which can cause yielding and cracking of a macadam surface

Peter R. Greene

2015

Scholarcy highlights

  • A multi-stemmed, multi-leaved dandelion plant can lift an overhead weight of 2–3 N, sustaining this force for 3–4 weeks, which can cause yielding and cracking of a macadam surface
  • Euler buckling theory was applied to experiments on flower stems and leaf stalks of the dandelion plant, allowing an estimate of the internal stresses, strains and Young’s modulus of the plant-tube wall, under unusual loading conditions imposed by overhead weight
  • Stalk buckling-strength scaled with length L as 1/L2, stalk bending scaled as L3
  • Because the dandelion plant is a natural source of latex and grows in a wide variety of climates, one practical application of this work may be using stress to enhance growth rates
  • Theory and experiments agree with correlation | r | > 0.94 for bending and buckling

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