Precast Girders Commonly Used in Bridge like ROB, RUB, Flyovers, Expressways etc. to achieve fast construction, with minimum disturbance of exist traffic and better design methodology. The present study is concerned with analyze the precast I Girder or T beam type super structures generally adopted in most of the national high ways in the country. A typical precast I- beam girder generally comprises the longitudinal reinforced concrete girder with a cast in situ continuous deck slab & cross girders or diaphragms to provide lateral rigidity to the bridge. This paper describes the comparative analysis with IRC loading of cast in situ T beam and precast concrete I- girder with cast in situ deck slab super structure. In this study is also aims at understanding the effects of to apply moving load and vehicle load test to study the maximum deflections occur in bridge. The selected Geometry model is done by using Midas civil (2022) software. Therefore, Analyses the model over Loading Combination to Study the Behavior over the Bending moment at Support, mid spans, Shear forces at Support and deflection Causes due to Applied IRC Loading and Their Combination. Results extracted from the Midas Software further enhanced with multiplication factor incl. Congestion factor and impact factor on live loads. In this Present Study/ analysis precast concrete I-girder with cast in situ deck slab give the 12-15% lesser moment and 16-20% lesser Shear Force at continuous support in comparison to the cast in situ T- beam super structure.
Girder Analysis, Midas Civil (2022), IRC 6:2016 (Section II), Precast I-Girder, Cast In-Situ T-Beam, Max Moments, Shear Force and Deflection
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