Long Term Composite Section (Negative Moment Region)
The longitudinal reinforcement area is being divided by 3, but the I believe that the reinforcement will not creep over time and therefore should not be divided by 3. I've attached an Excel Output table. Please explain?
If you follow the FHWA Examples for Steel Bridge Design Handbook, it is clearly mentioned in there that
(Reference: Design Example 3: 3-Span Continuous Horizontally Curved Composite Steel-I-Girder Bridge Page 45-48)