Question

Poisson's ratio of cement concrete is :

• A. 0.28
• B. 0.50
• C. 0.40
• D. 0.15

Answer 1

The correct option is D 0.15

Poisson's ratio is defined as the ratio of lateral strain to longitudinal strain.

Material	Poisson's ratio
Cork	0
Concrete	0.1 - 0.2
Cast Iron	0.2 - 0.3
Steel	0.27 - 0.3
Aluminium	0.33
Perfectly elastic rubber	0.5