You must perform an
analysis on a model with a load cases including an EC8 response spectrum load.
Perform a successful analysis.
Earthquake in the
EC8 Stiffness page opens along with the
Storey Stiffness table, and
Soft Storeys table.
Tip: You can nominally use the pages in the Earthquake
workflow in any order. However, it is recommended that you work through the
checks in a left-to-right order (i.e., EC8 Stiffness, EC8 Plans, and then EC8