How does RCDC calculate L2 in the 2-way slab design?

Question

Regarding to the Slab Validation Sheet (Slab Design (Direct Design Method)) which uploaded in this link American Concrete design code ACI 318M-2014 (Metric Unit) - RAM | STAAD | ADINA Wiki - RAM | STAAD | ADINA - Bentley Communities

How does RCDC calculate L2 (the clear span of slab transverse to clear span of slab along which moment is calculated)?

Abhijeet Gundaye · Accepted Answer

Hi, Thank you for raising query, The L2 is calculated based on the Clause 13.6.2.4 
 
 In the sample calculation, L2 for shorter span is calculated as, 8900 / 2 + (450 / 2 + 450 / 2)/2 = 4675 mm Where, 
 8900 = c/c span of slab longer direction 
 450 = beam width on either side of slab longer direction 
 L2 for Longe rspan is calculated as, 8000/ 2 + (450 / 2 + 450 / 2)/2 = 4225 mm Where, 
 8000= c/c span of slab shorter direction 
 450 = beam width on either side of slab longer direction Please let me know if you have any questions.

Abhijeet Gundaye · Answer

Hi, Yes. You are correct. the shear transferred to beam is calculated as kN/m and the slab section capacity is also calculated as kN/m.