What is S and Slim meaning while concrete foundation uplift verification according to EN-1997 in Robot Structural Analysis

Autodesk Support

Oct 8, 2023

Products and versions covered

Issue:

What is S and Slim meaning while concrete foundation uplift verification according to EN-1997 in Robot Structural Analysis? 
Example:
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Solution:

S and Slim refers to loads relative eccentricity calculated in respect to foundation diameters A and B

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slim - allowable loads relative eccentricity defined by user in Analysis >Geotechnical option dialog.

image.png 

s - load relative eccentricity for uplift critical load case.
image.png
where
N, Mx, My  - foundation loads (vertical force and moments)
A, B - foundation diameters.

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Products:

Robot Structural Analysis Professional;

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