https://communities.bentley.com/products/ram-staad/f/ram-staad-forum/70147/member-property-specification---staad-pro-version-20-07-06-23In the above mentioned version of STAAD.Pro, section 9E.3 in the help menu says that &quot;Member properties may also be specified using the User Table facility except for the General and Prismatic member &quot;. Why is it that &quot; general and prismatic members en-USTelligent Community 12https://communities.bentley.com/thread/184878?ContentTypeID=1Fri, 23 Sep 2011 20:38:40 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:89510bcd-52e8-49e3-9e4a-f9f8b5684568Jason Coleman<p>STAAD.Pro does not design either GENERAL or PRISMATIC members as these have no defined section type. Different shapes have different local failure states, there is no way to identify a user-defined general or prismatic shape. However, any parametric user-table shape (i.e., wide-flange, channel, angle) can be used for design in addition to the built-in section library of catalog sections.</p> <p>Is there a particular section or shape for which you cannot identify how to design per IS 800?</p><div style="clear:both;"></div>