1.0 In staad why I am getting more reinforcement in top column (See bemm no. 76 & 77) see the attached model.
2.0 What parameter need to use so that reduction factor is not considered in design calculation because as per is 1893-2016 it is only use for analysis Purpose.
Plz Clarify ASAP.
500 KL AT 14M STAIR MODEL.STD
1. This happens when moment is high at the upper levels due to higher lateral load. Please double check if all the load values are correct. In your case, I can see higher moments in upper level compared to bottom levels and with respect to that this is expected.
2. You need to use property reduction factor Code Specific option to get it activated only for IS1893 2016 criteria.
Property Reduction Factor