Long Term Composite Section (Negative Moment Region)
Question:
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?
Answer:
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)
Thanks,
Midas Tech Support
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