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Age of Girder at Erection(Day): This information is used to calculate the tendon losses in the code check object, or it can be utilized if the user decides to run a time-dependent staged construction analysis with CIB-FIB curves.
Girder Self Weight Factor: The Girder Self-Weight Factor is a parameter used to adjust the contribution of a girder's own weight to the overall structural load calculations. This factor allows for the scaling or modification of the girder's self-weight in finite element analysis (FEA).