What is the method to calculate the development length of steel?

Question

Accepted Answer

The development length of steel can be calculated using the formula specified in the relevant design code.

The development length of steel is calculated based on the bond strength between the steel reinforcement and the concrete.
The formula for calculating the development length is typically provided in the design code being used, such as ACI 318 for American standards or Eurocode 2 for European standards.
Factors such as concrete strength, steel bar diameter, and the type of reinforcement being used are taken into account when determining the development length.
For example, in ACI 318, the formula for calculating the development length of deformed bars in tension is Ld = 1.98 * db * fs / sqrt(f'c), where Ld is the development length, db is the bar diameter, fs is the specified yield strength of the reinforcement, and f'c is the specified compressive strength of the concrete.

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