What should be the ratio of L/t and B/t of the plate, required for analysis in STAAD? (where L=length of plate, B= Breadth of Plate, t= thickness of plate)
The answer to your question could be found here: https://communities.bentley.com/products/ram-staad/f/ram-staad-forum/76823/plate-element-and-solid-element/208867#208867