The Structural Engineer's Corner

Eng. Onorio Francesco Salvatore

[DOWNLOAD] Moment of Inertia of the cracked section transformed to concrete for rectangular sections according to ACI 314

Written By: Lexatus - Nov• 16•13

Cracked section 7 - Onorio

New addition for the Download section: the following Excel spread sheet calculates the Moment of Inertia of the cracked section transformed to concrete, Icr, for rectangular sections. The reference is the ACI 314R-11Guide to Simplified Design for Reinforced Concrete Buildings“.

Basically, starting from the gross section:

Cracked section 1 - Onorio

We can obtain the cracked transformed section:

Cracked section 2 - Onorio

 

The relation used is:

Cracked section 3 - Onorio

 

For a doubly reinforced section:

Cracked section 4 - Onorio

 

The cracked transformed section is:

Cracked section 5 - Onorio

 

And the equation to use in this case is:

Cracked section 6 - Onorio

 

You can download the Excel spread sheet from here:

Download at just € 0.99

 

 

For any issues or questions, you can contact the author at:

onorio@strutturista.com

Eng. Onorio Francesco Salvatore

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2 Comments

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