REVIEW STUDY ON THE ANALYSIS AND DESIGN OF PRESTRESSED CONCRETE BRIDGES.
Mayank Aggarwal
M. tech Structures, Department of Civil Engineering, Sharda University , IN
Megha Gupta
M. tech Structures, Department of Civil Engineering, Sharda University , IN
Keywords: Finite Element Method, Load distribution, IRC, CSI BRIDGE 2017, Cross Girder.
Abstract
Nowadays bridges are being constructed either of ordinary reinforced concrete or of prestressed concrete having longitudinal girders and transverse cross girders. The method that is used for the dynamic analysis of such bridges is FINITE ELEMENT METHOD and for the implementation we use the commercial software (SAP 2000N, CSI BRIDGE 2017). The bridges that we discussed was subjected to the several dynamic loads such as vehicular live load, seismic load and also the static loads such as deck slab load, footpath and crash barrier loads. The vehicular load distribution in the girder is a very complex phenomenon which was calculated by using Morice-Little load distribution method. For the study and the comparison purposes we vary the geometry and the number of longitudinal girders of the superstructure and the bending moment, shear force, and deflection was checked and compared.
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