November 22, 2023

Interpreting Punching Shear Output

Jacobus Oberholster | AEC Engineering Technical Consultant (Prokon)

Punching Shear is a critical check for flat slabs and certain types of footings, especially considering that failure due to punching shear is “instantaneous” and as a result catastrophic. This is where Prokon’s Punching Shear module comes in.

With a very simple interface to navigate, it is easy to set up a model and design it for Punching Shear.

With all of your parameters set and completed loads table, you can proceed to the Design tab where you will see a table what includes all of the relevant design data. Interpreting these results correctly is important.

Considering the Suggest Reinforcement Configurations: These recommendations are for the entire perimeter, meaning that the quantity of bars needs to be divided by four (4) to get a number per side. For example: Perimeter 1’s recommendations are 33R12. This requires 8,25 ~ 9 clips per side of Perimeter 1.

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About the Author

Jacobus Oberholster | AEC Engineering Technical Consultant (Prokon)

Jacobus is an AEC Technical Consultant at Micrographics, specialising in the Structural Engineering industry. He focuses on optimising structural workflows in Revit, Prokon, and IDEA Statica, streamlining processes through the integration of various software packages. Jacobus holds a BTech in Civil Engineering and is a Professionally Registered Engineering Technician with the Engineering Council of South Africa. With close on 10 years of experience, he has served as a designer, quality controller, and project manager in both the public and private sectors, demonstrating his extensive expertise and commitment to the field.