I'm modeling a 3 stringer short span timber bridge in staad. The model consists of the three beams and deck planks (which are modeled as Plates). All geometry, material properties, supporting, and loading have been assigned. There is only one error in…

I modeled a 3 stringer bridge with plates. I created offsets for the beams, but immediately after doing that dashed lines extending out appeared. Could anyone explain what's going on here?

I'm modeling a short span timber bridge in STAAD, and using plates to model the deck planks. How do I assign either timber or user defined material properties? Also, should I insert nodes at all places I want a deck plane and define a plate there? …

I have a query regarding how to model a steel deck plate (6mm thick) supported on 100x65x7thk angles which are fully welded to the underside. The floor is made up of 533 deep UB sections spaced at 4m centres. The angle stiffeners span 4m between the beams…