Form: Slab Opening
Use the Assign menu > Slab Data > Opening command to make changes to the selected area object.
Select one or more area objects in the datum plane
Click the Assign menu > Slab Data > Opening to access the Slab Opening form. On that form, select from one of the following options:
No Opening: For selected area objects that are openings, the selected openings will be converted into slabs with a slab property assignment of none. This option has no effect on area objects that are not openings.
Loaded Opening: For selected area objects that are openings, loads assigned to the selected openings will be transferred to adjacent structural objects. For selected area objects that are not openings, the selected area objects will be converted into openings and the assigned loads will be transferred to adjacent structural objects.
Unloaded Opening: For selected area objects that are openings, loads assigned to the selected openings will be ignored. For selected area objects that are not openings, the selected area objects will be converted into openings and the assigned loads will be ignored.