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Study of Prestressed Concrete Box Girder Bridge

Author(s):

A. Naresh Kumar , Jaya Engineering College, Anna University, Chennai; S. Kotteeswaran, Jaya Engineering College, Anna University, Chennai; B. Veena, Jaya Engineering College, Anna University, Chennai

Keywords:

Stability, Serviceability, Structural Efficiency, Parabolic Tendons, Span/ Depth Ratio, Stress, Deflection

Abstract

This paper presents the analytical study on prestressed concrete box girder. Box girder is gaining popularity in bridge engineering fraternity because of its better stability, serviceability, economy, aesthetic appearance and structural efficiency. The structural behavior of box girder is complicated, which is difficult to analyse in its actual conditions by conventional methods. This paper shows a study of two lane simply supported long span Box Girder Bridge made up of prestressed concrete which is analysed for moving loads as per Indian Road Congress (IRC:6) recommendations, Prestressed Code (IS: 1343) and also as per IRC: 18 specifications. The analysis of box girder is done using CSiBridge software and prestressed with parabolic tendons in which utilize full section. The various span/ depth ratio considered to get the proportioning depth at which stress criteria and deflection criteria get satisfied.

Other Details

Paper ID: IJSRDV6I40312
Published in: Volume : 6, Issue : 4
Publication Date: 01/07/2018
Page(s): 354-358

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