A PROPOSAL OF EVALUATING METHOD OF THE SECTIONAL FORCES OF THE THREE SPAN CONTINUOUS CABLE-STAYED GIRDER BRIDGE WITH MULTIPLE CABLES

This paper presents equations and figures for evaluating the sectional forces of each members of the cable-stayed girder bridges with multiple cables. These results are useful not only for the understanding of the static behavior of the bridge but also available for the check of the results obtained by the electric computer which is inevitable in the design stage. Especially, BEF analogy is used for the evaluation of the sectional forces and a new parameter concerning the rigidity ratio between the bending stiffness of the girder and axial stiffness of the cables is presented.