Characteristic Compressive Strength in Mix Design, Modulus of Elasticity and Tensile Strength of Concrete Formulas

The Characteristic Compressive Strength is the strength of the concrete below which not more than 5% of the test results are expected to fall. And is denoted by f_ck. Characteristic Compressive Strength is usually measured using the Megapascal for Pressure. Note that the value of Characteristic Compressive Strength is always positive.

Mix Design, Modulus of Elasticity and Tensile Strength of Concrete formulas that make use of Characteristic Compressive Strength

fxTarget Mean Strength for Mix DesignGo

fxModulus of Elasticity of ConcreteGo

FAQ

What is the Characteristic Compressive Strength?

The Characteristic Compressive Strength is the strength of the concrete below which not more than 5% of the test results are expected to fall. Characteristic Compressive Strength is usually measured using the Megapascal for Pressure. Note that the value of Characteristic Compressive Strength is always positive.

Can the Characteristic Compressive Strength be negative?

No, the Characteristic Compressive Strength, measured in Pressure cannot be negative.

What unit is used to measure Characteristic Compressive Strength?

Characteristic Compressive Strength is usually measured using the Megapascal[MPa] for Pressure. Pascal[MPa], Kilopascal[MPa], Bar[MPa] are the few other units in which Characteristic Compressive Strength can be measured.

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