Question

Poisson's ratio for concrete ____.

• A. Increases with richer mix
• B. Decreases with richer mix
• C. Remains constant
• D. None of these

Answer 1

The correct option is A Increases with richer mix

• Poisson's ratio is the negative ratio of lateral strain to the longitudinal strain.
• Poisson's ratio of concrete increases with richer mix.

Poisson's ratio values
0.1 - High strength concrete
0.2 - Weak mix
0.15 - Average value taken for concrete