Structural Analysis
Analyze segmental spans in accordance with Article 4.6.2.9 Analysis must consider timedependent construction methods; short- and long-term post-tensioning, creep, and shrinkage effects; and secondary force effects due to post-tensioning.
Estimate shrinkage and creep using the provisions of the
fib
Model Code for Concrete Structures (fib
2010), or the CEB-FIP Model Code 1990 (CEB 1990), include the effects of specific materials (when known), structural dimensions, site conditions, construction sequence, and concrete age at various stages of erection.Base live load reactions per lane on the combined effect of the truck loading added to the lane loading.
Round prestress losses to 1 ksi.