Damage Analysis of Simple RC Bridge Girder and its Strengthening Measures

Bridges are a vital part of the road transportation system used to overcome obstacles like rivers, canals, and roads. Among all the world bridges, the percentage of simple reinforced concrete (R.C.) girders is above eighty percent. In this investigation, the effectiveness of strengthening a simple R.C. girder of a bridge near Pusa Muzaffarpur, Bihar, has been discussed. In this study, a finite element model of a rectangular R.C. beam girder has been addressed on various parameters with and without fiber wrapping. This study covers the potency of different layers of fiber wrapping analyzed with ANSYS′s help, and other results are discussed before and after strengthening the girder. Finally, the strengthening of a delaminated bridge girder near Pusa Bihar using the prescribed fiber wrapping with varying layers has been performed. Static and dynamic load testing of the girder before and after strengthening was executed at the site. Deflection and natural frequency produced at different loading conditions using a loaded truck is discussed. The bridge girder's plasticity has been calculated in terms of deflection recovered when the load was removed.