Abstract
In this study, the frictional resistance at the deviators is incorporated in the calculation of cable strain. The equation of cable strain, which is based on the deformation compatibility of cable, is expressed in the general form for the analysis of externally prestressed concrete beams with normally external cable as well as externally prestressed concrete beams with large eccentricities. Application of the developed equation in the numerical analysis is carried out to verify its accuracy. It is found that the structural behavior of externally prestressed concrete beams can satisfactorily predict throughout the entire loading range up to failure. A good agreement with experimental data is found.
