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Construction for Landscape Architecture by Jamie Liversedge, Robert Holden

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Strength

The strength of a material is based on the ability to carry its own weight and any applied loads without undue distortion. There are three particular forms of strength that we are concerned about in construction materials:

  • tension strength on being stretched;
  • compression strength on being squeezed; and
  • torsion strength on being twisted.

However, the strength of a material also has various properties itself, namely:

  • elasticity;
  • stiffness or rigidity;
  • plasticity; and
  • ductile properties.

Elasticity is the property of reverting to original shape; a stiff or rigid structure will maintain and support a load without significantly changing shape. Plasticity is the ability to be molded (usually when heated) and ductility is the ability to ...

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