https://communities.bentley.com/products/ram-staad/f/ram-staad-forum/157010/effective-length-factor-sky-and-skz-parameters-in-aci-concrete-column-designIf the user didn’t assign effective length factor SKY and SKZ parameters in ACI concrete column design, which value does STAAD consider in the column design: 1-The length of the modelled member from node to node or 2-the clear height of the columnen-USTelligent Community 12https://communities.bentley.com/thread/467737?ContentTypeID=1Tue, 26 Jun 2018 09:12:54 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:7ad8635d-6a09-4afc-8059-b126ba849fc1Modestas<p>Default values of SKY and SKZ parameters is 1.0. Default length in slenderness calculation is member analytical length - node to node distance.</p><div style="clear:both;"></div>