a$.$ The analytic expression that allows quantifying the magnitude of the hyperstatic $($secondary$)$ bending moment $(M_{p,\text{h}\text{i}\text{p}})$ due to the post$-$tension force.

Consider l$=*L(01).$

b$.$ The analytic expression that allows quantifying the bending moment $(M_s)$ that decompress the joint between girders in SLS$.$

c$.$ The analytic expression that allows quantifying the cracking bending moment of the girders at the intermediate support.

Note: involve safety factors for the prestress force, concrete tensile flexural strength, and other