Raju Ramrao Kulkarni, A.B. Vawhale | International Journal of Structural Engineering and Analysis | Vol 10, Issue 1 | pp. 1-14 | ISSN: 2456-5326
Abstract
Bridge structures are vital for improving transportation in urban and suburban areas by offering routes
that reduce traffic congestion. As urbanization accelerates in many metropolitan cities across India,
the necessity for such infrastructure becomes increasingly important. This research aims to explore the
structural behavior of flyover bridges, specifically focusing on 30-meter I-girder and 30-meter boxgirder bridge segments under various loading conditions, in compliance with Indian Road Congress
(IRC) standards. The bridge girders are modeled using plate elements in the STAAD Pro software. The
study examines the structural performance of the girders by analyzing axial forces, shear forces,
bending moments, and principal stresses under both dead and live loads. The design considerations
include using reinforced cement concrete and prestressed concrete for the deck slab and girders, while
piers and foundations are constructed with reinforced cement concrete. Prestressing techniques are
utilized to enhance the structural performance, particularly to withstand maximum tensile stresses
effectively.
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