Abstract
Abstract The importance of highway bridges in a modern transportation system aims in providing safety and quality in construction. This paper discusses the Parametric study and Analysis of Prestressed Concrete Box-girder bridge and focuses on the Structural Analysis comparison of Simply Supported, Continuous and Overhang bridges for the same loading conditions to find the most economical cross-section for various spans. A three span bridge model with four lanes is considered. Span length being 30m, 36m, 45m, 51m, 60m, 66m, 75m, 81m, 90m, 96m, 105m, 111m and 120m respectively. The live load assigned for the bridge model is IRC Class A Wheeled loading. The Code considered for bridge design is the Indian code (IRC-2000). Analysis is carried out using the computer software CSi Bridge v17.0.
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