Term of the Road Dictionary

rigidity modulus

  • Language : PIARC Road Dictionary / English
  • Theme : Scientific and Technical Tools Physics and Chemistry
  • Definition : Value representing the resistance offered by an elastic body to shearing. Note: given an elastic body with thickness L and surface area S, which when submitted to a force T in the plane of surface S has a deformation ΔL in the plane of that surface, in the direction of the force. The rigidity modulus is: G = T/S x L/ΔL (unit: Pa).
  • Synonyms : stiffness modulus

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