COMPARATIVE STUDY OF THE ANALYSIS AND DESIGN OF BOWSTRING GIRDER AND SEMI THROUGH PLATE GIRDER SUPERSTRUCTURE
Keywords:STAAD Pro, Bowstring Girder, Semi Through Girder
The bridge construction activity is as old as human civilization. In design of any kind of structure, economy is the essential criteria. In past plate girder bridge had being used but plate is available in limited length therefore splicing is required and also to improve buckling strength of the web intermediate and edge stiffener are required, they are expensive and transportation and handling of plate is difficult, while if we talk about truss bridge than it have open web girder so it resist low wind force and also transportation and handling of member is easy than plate girder.In the present study, we analyze bowstring and semi through bridge for same section and design for the same load. The goal of the study is to determine most favorable option from above two.The decisions based on the obvious element of engineering that are safety, serviceability, and economy. Following this aspect, a design for both bowstring and semi through Girder has been performed. After calculation two basics material consumption steel and concrete the most economical has been selected.
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