Errors in hollow core slabs
The "Errors" option, within the "Hollow core slabs" menu on the "Results" tab, allows you to view the errors obtained following the analysis for each of the lightweight slab floor panels.
Hollow core slabs with strength defects shall be marked with the label 'Insuf.' in their reference.
For more information about the specific error, left-click on the icon.
The "Previous" and "Next" buttons in the dialogue box allow you to navigate between the other sections of the floor plan that contain errors.
Description and troubleshooting of hollow core slab errors
Below are some of the defects that may occur in hollow core slabs, along with recommended measures to rectify them:
| Error | Description | Solution |
| Does not meet the positive cut-off | The applied shear stress is greater than the shear stress being withstood. | Select a type of hollow core slab with greater strength and/or greater depth, or redesign the structure to reduce the loads. |
| Insufficient positive momentum | The applied positive bending moment is greater than the resisting positive bending moment. | Select a type of hollow core slab with greater strength and/or greater depth, or redesign the structure to reduce the loads. |
