To define the downstand beam underneath the slab, double-click this line (no. 20) (1). Then select the Member option again (2).
In the 'New Member' dialog box, select the Rib member type from the list (3).
Select the Rib tab which has been added.
Make sure that On +z-side of surface is set in the 'Rib Alignment' area so that the rib is arranged beneath the surface (the z-axis of the related surface is pointing downwards). If this is not the case, open the list and select that option.
The steel section needs revision. Click the Section tab to adjust it.
In the 'Section with Material' area, click the
button to create a new section. The 'New Section' dialog box opens.
Click the
button to open the library (1). Select the massive rectangle type by clicking the
button in the 'Massive I' area (2). You return to the 'Parametric - Massive I' tab of the previous dialog box.
Enter the width b as 300 mm and the depth h as 400 mm to define the geometry of the rib member. With a depth of 400 mm and half of the surface thickness of 100 mm, the elevation is 500 mm between the slabs, i.e. the downstand beam rests on top of the circular column.
Go to the Main tab. To assign the correct material, open the list where you select the C30/37 item.
Click OK three times to close all dialog boxes.
