![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiuYJWhxNUjxrsMo0nNe7shb22GQIU2Kn7u8fofuAssKu0sfgl3lUjQCHnX8HtXosPAkc4ixlZlmvzpg0GkqwVWNNUO7IQ6iJupwRrlQGUihI3qHfJsfOHT3eBmgYEtSx65aR13kHVX_MmH/s1600/voided-irregular-sections-screenshot.jpg)
This Proforma calculates the section properties, using co-ordinate geometry, of an irregular shaped cross section containing voids. Section properties, Area, Ixx, Iyy and xy co-ordinates of the centroid are determined for a voided irregular shaped section.
Outline of the section and void is input using x-y co-ordinates. Circular voids can be input using the diameter and xy co-ordinates of their centre.
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