Question

What are elastic strains?

a.

These are the instantaneous deformations that occur when an external stress is first applied

b.

These deformations occur either on loss of moisture from the concrete on cooling of concrete

c.

It is the time-dependent deformation that occurs on the prolonged application of stress

d.

Any one or combinations of the above types of deformations in a hardened concrete leads to cracking

Answer: (a).These are the instantaneous deformations that occur when an external stress is first applied

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