Chapter 9. Elasticity, shrinkage, and creep

Much of the discussion in the preceding chapters referred to the strength of concrete, which is of significant importance in the design of concrete structures. However, with any stress, there is always associated a strain, and vice versa. Strain can arise also from causes other than applied stress. The relation between stress and strain over their full range is of vital interest in structural design. The topic of strain and, more generally, of the different types of deformation of concrete is the subject matter of this chapter.

Like many other structural materials, concrete is, to a certain degree, elastic. A material is said to be perfectly elastic if strain appears and disappears immediately on application ...

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