Characteristic Compressive Strength in Short Columns Formulas

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

Formulas to find Characteristic Compressive Strength in Short Columns

fxConcrete Compressive Strength given Total Allowable Axial LoadGo

List of variables in Short Columns formulas

fx Total Allowable Load Go

fx Gross Area of Column Go

fx Allowable Stress in Vertical Reinforcement Go

fx Area Ratio of Cross Sectional Area to Gross Area Go

FAQ

What is the Characteristic Compressive Strength?

The characteristic compressive strength is defined as 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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