Diaphragm forces
1. Apply diaphragm forces (define diaphragm using semi-rigid option)
Figure 1 - Apply diaphragm forces
2. Display any stress or shell force for the relevant load case
Figure 2 - Display stress or shell force
3. For maximum chord forces, draw or define a section cut where maximum chord forces are expected
Figure 3 - Maximum chord forces
4. Moments in Z are the in-plane moment in slab make sure angle is zero, refresh as required
Figure 4 - In-plane moment
5. The value of Z moment divided by slab width is equal to compression and tension chord forces
Figure 5 - Compression and tension chord forces
6. Shear and collector forces at slab-shear wall connection, draw or define section cut next to support following wall direction
Figure 6 - Shear and collector forces
7. Make sure angle is zero, in this case shear/collector force is equal to F2 or 2559lbs as expected
Figure 7 - Shear and collector forces