Seismic Analysis Of Cable Stayed Bridge Under Moving Loads Using IRC & AASHTO Methods With Different Shapes Of Pylons - A Literature Review

The Cable Stayed Bridges are one of the modern bridges which were built for the longer spans and for better enhancement of the work in the field of aesthetic appearance and durability, therefore there is a need of study which overcomes the idea about the different possibilities in the structural arrangement in the terms of economy and aesthetical appearance. This study reveals an idea about the behaviour of Cable Stayed bridges with different shapes of pylons under the moving loads with varied code specifications. The previous studies related to response of Cable Stayed Bridge under moving load consideration, wind effect & seismic effect have been studied and the behaviour of Cable Stayed bridge under different condition with varied design prospects have been observed in this study. From these observations, the response of the cable stayed bridge has been easily determined in the assumed appropriate conditions on the basis of its mode shapes and other design parameters like displacement, shear, axial force and bending moment. An effort was made to studied the displacements of the cable stayed bridge deck and pylon under the action of traffic loads & lateral loads which are helpful in limiting the limitations of different shapes of pylon too. From the results it has been observed that the diamond shaped pylons shows better performance for both IRC & AASHTO loading and gives satisfactory results and the values of displacement, forces and moments for AASHTO loading is lesser than the IRC loading.