Stuctural behaviour of prestressed concrete T-beam and slab deck bridge girder under class AA loading
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Date
2017-04
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Publisher
AIKTC
Abstract
Prestressed concrete is ideally suited for the construction of medium- and long span
bridges. Solids slab are used for the span ranges of 10 to 20m , while T- beam slab decks
are suitable for span in the ranges of 20 to 40m. single or multicell box girder are preferred
for larger span of the order of 30 to 70m. Prestressed concrete is ideally suited for long
span continuous bridges in which precast box girder of variable depths are used for span
exceeding 50m.Prestressed concrete has been widely used throughout the world for simply
supported continuous, balanced cantilever, suspension, hammer-head and bridle- chord
type in the span range of 20 to 500m. In this project, designs are prepared for prestressed
concrete t-beam and deck slab bridge for spans ranging from 15 m to 45 m at an interval of
5 m. In this project, the designs adopted for each span of bridge is presented in tabular
formats. Relevant discussions have also been added when and where required to
emphasize further into the matter. This in turn will help us conclude the suitability of the
given bridge under Class AA Loading. A Microsoft Excel spreadsheet has also been
formulated for the ease of designing. Working drawings of the same have been prepared
for clarity of understanding.
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Project Report - CE