## Civil Engineering Materials |

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The ratio of stress to strain below the proportional limit is called the

**modulus**of

elasticity (also called the elastic

**modulus**or coefficient of elasticity). It refers to the

stiffness in the elastic range and is generally identified by the capital letter "£.

2.3.3

**Modulus**of Elasticity and Strength The

**modulus**of elasticity (also called

Young's

**modulus**) is the ratio of stress to the corresponding strain below the

proportional limit. It is obtained as the slope of the elastic region of the stress-

strain ...

Dense, angular limestone aggregates produced concrete of higher strength and

stiffness than the other two types. In general, the

**modulus**of elasticity of moist-

cured concrete samples increases with density, age, and strength of concrete.

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